diff --git a/cmd/cluster/clusterCreate.go b/cmd/cluster/clusterCreate.go
index f5fc4af5..574db83d 100644
--- a/cmd/cluster/clusterCreate.go
+++ b/cmd/cluster/clusterCreate.go
@@ -38,7 +38,7 @@ import (
 	cliutil "github.com/rancher/k3d/v4/cmd/util"
 	k3dCluster "github.com/rancher/k3d/v4/pkg/client"
 	"github.com/rancher/k3d/v4/pkg/config"
-	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	"github.com/rancher/k3d/v4/pkg/runtimes"
 	k3d "github.com/rancher/k3d/v4/pkg/types"
 	"github.com/rancher/k3d/v4/version"
@@ -77,11 +77,6 @@ func initConfig() {
 		if _, err := os.Stat(configFile); err != nil {
 			log.Fatalf("Failed to stat config file %s: %+v", configFile, err)
 		}
-		log.Tracef("Schema: %+v", conf.JSONSchema)
-
-		if err := config.ValidateSchemaFile(configFile, []byte(conf.JSONSchema)); err != nil {
-			log.Fatalf("Schema Validation failed for config file %s: %+v", configFile, err)
-		}
 
 		// try to read config into memory (viper map structure)
 		if err := cfgViper.ReadInConfig(); err != nil {
@@ -92,7 +87,16 @@ func initConfig() {
 			log.Fatalf("Failed to read config file %s: %+v", configFile, err)
 		}
 
-		log.Infof("Using config file %s", cfgViper.ConfigFileUsed())
+		schema, err := config.GetSchemaByVersion(cfgViper.GetString("apiVersion"))
+		if err != nil {
+			log.Fatalf("Cannot validate config file %s: %+v", configFile, err)
+		}
+
+		if err := config.ValidateSchemaFile(configFile, schema); err != nil {
+			log.Fatalf("Schema Validation failed for config file %s: %+v", configFile, err)
+		}
+
+		log.Infof("Using config file %s (%s#%s)", cfgViper.ConfigFileUsed(), strings.ToLower(cfgViper.GetString("apiVersion")), strings.ToLower(cfgViper.GetString("kind")))
 	}
 	if log.GetLevel() >= log.DebugLevel {
 		c, _ := yaml.Marshal(cfgViper.AllSettings())
@@ -121,19 +125,35 @@ func NewCmdClusterCreate() *cobra.Command {
 			/*************************
 			 * Compute Configuration *
 			 *************************/
-			cfg, err := config.FromViperSimple(cfgViper)
+			if cfgViper.GetString("apiversion") == "" {
+				cfgViper.Set("apiversion", config.DefaultConfigApiVersion)
+			}
+			if cfgViper.GetString("kind") == "" {
+				cfgViper.Set("kind", "Simple")
+			}
+			cfg, err := config.FromViper(cfgViper)
 			if err != nil {
 				log.Fatalln(err)
 			}
 
-			log.Debugf("========== Simple Config ==========\n%+v\n==========================\n", cfg)
+			if cfg.GetAPIVersion() != config.DefaultConfigApiVersion {
+				log.Warnf("Default config apiVersion is '%s', but you're using '%s': consider migrating.", config.DefaultConfigApiVersion, cfg.GetAPIVersion())
+				cfg, err = config.Migrate(cfg, config.DefaultConfigApiVersion)
+				if err != nil {
+					log.Fatalln(err)
+				}
+			}
+
+			simpleCfg := cfg.(conf.SimpleConfig)
+
+			log.Debugf("========== Simple Config ==========\n%+v\n==========================\n", simpleCfg)
 
-			cfg, err = applyCLIOverrides(cfg)
+			simpleCfg, err = applyCLIOverrides(simpleCfg)
 			if err != nil {
 				log.Fatalf("Failed to apply CLI overrides: %+v", err)
 			}
 
-			log.Debugf("========== Merged Simple Config ==========\n%+v\n==========================\n", cfg)
+			log.Debugf("========== Merged Simple Config ==========\n%+v\n==========================\n", simpleCfg)
 
 			/**************************************
 			 * Transform, Process & Validate Configuration *
@@ -141,10 +161,10 @@ func NewCmdClusterCreate() *cobra.Command {
 
 			// Set the name
 			if len(args) != 0 {
-				cfg.Name = args[0]
+				simpleCfg.Name = args[0]
 			}
 
-			clusterConfig, err := config.TransformSimpleToClusterConfig(cmd.Context(), runtimes.SelectedRuntime, cfg)
+			clusterConfig, err := config.TransformSimpleToClusterConfig(cmd.Context(), runtimes.SelectedRuntime, simpleCfg)
 			if err != nil {
 				log.Fatalln(err)
 			}
@@ -178,7 +198,7 @@ func NewCmdClusterCreate() *cobra.Command {
 			if err := k3dCluster.ClusterRun(cmd.Context(), runtimes.SelectedRuntime, clusterConfig); err != nil {
 				// rollback if creation failed
 				log.Errorln(err)
-				if cfg.Options.K3dOptions.NoRollback { // TODO: move rollback mechanics to pkg/
+				if simpleCfg.Options.K3dOptions.NoRollback { // TODO: move rollback mechanics to pkg/
 					log.Fatalln("Cluster creation FAILED, rollback deactivated.")
 				}
 				// rollback if creation failed
@@ -202,7 +222,7 @@ func NewCmdClusterCreate() *cobra.Command {
 
 			if clusterConfig.KubeconfigOpts.UpdateDefaultKubeconfig {
 				log.Debugf("Updating default kubeconfig with a new context for cluster %s", clusterConfig.Cluster.Name)
-				if _, err := k3dCluster.KubeconfigGetWrite(cmd.Context(), runtimes.SelectedRuntime, &clusterConfig.Cluster, "", &k3dCluster.WriteKubeConfigOptions{UpdateExisting: true, OverwriteExisting: false, UpdateCurrentContext: cfg.Options.KubeconfigOptions.SwitchCurrentContext}); err != nil {
+				if _, err := k3dCluster.KubeconfigGetWrite(cmd.Context(), runtimes.SelectedRuntime, &clusterConfig.Cluster, "", &k3dCluster.WriteKubeConfigOptions{UpdateExisting: true, OverwriteExisting: false, UpdateCurrentContext: simpleCfg.Options.KubeconfigOptions.SwitchCurrentContext}); err != nil {
 					log.Warningln(err)
 				}
 			}
@@ -266,6 +286,10 @@ func NewCmdClusterCreate() *cobra.Command {
 	cmd.Flags().StringArrayP("label", "l", nil, "Add label to node container (Format: `KEY[=VALUE][@NODEFILTER[;NODEFILTER...]]`\n - Example: `k3d cluster create --agents 2 -l \"my.label@agent[0,1]\" -l \"other.label=somevalue@server[0]\"`")
 	_ = ppViper.BindPFlag("cli.labels", cmd.Flags().Lookup("label"))
 
+	/* k3s */
+	cmd.Flags().StringArray("k3s-arg", nil, "Additional args passed to k3s command (Format: `ARG@NODEFILTER[;@NODEFILTER]`)\n - Example: `k3d cluster create --k3s-arg \"--disable=traefik@server[0]\"")
+	_ = cfgViper.BindPFlag("cli.k3sargs", cmd.Flags().Lookup("k3s-arg"))
+
 	/******************
 	 * "Normal" Flags *
 	 ******************
@@ -340,13 +364,6 @@ func NewCmdClusterCreate() *cobra.Command {
 	cmd.Flags().String("registry-config", "", "Specify path to an extra registries.yaml file")
 	_ = cfgViper.BindPFlag("registries.config", cmd.Flags().Lookup("registry-config"))
 
-	/* k3s */
-	cmd.Flags().StringArray("k3s-server-arg", nil, "Additional args passed to the `k3s server` command on server nodes (new flag per arg)")
-	_ = cfgViper.BindPFlag("options.k3s.extraserverargs", cmd.Flags().Lookup("k3s-server-arg"))
-
-	cmd.Flags().StringArray("k3s-agent-arg", nil, "Additional args passed to the `k3s agent` command on agent nodes (new flag per arg)")
-	_ = cfgViper.BindPFlag("options.k3s.extraagentargs", cmd.Flags().Lookup("k3s-agent-arg"))
-
 	/* Subcommands */
 
 	// done
@@ -520,5 +537,30 @@ func applyCLIOverrides(cfg conf.SimpleConfig) (conf.SimpleConfig, error) {
 
 	log.Tracef("EnvFilterMap: %+v", envFilterMap)
 
+	// --k3s-arg
+	argFilterMap := make(map[string][]string, 1)
+	for _, argFlag := range ppViper.GetStringSlice("cli.k3sargs") {
+
+		// split node filter from the specified arg
+		arg, filters, err := cliutil.SplitFiltersFromFlag(argFlag)
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+		// create new entry or append filter to existing entry
+		if _, exists := argFilterMap[arg]; exists {
+			argFilterMap[arg] = append(argFilterMap[arg], filters...)
+		} else {
+			argFilterMap[arg] = filters
+		}
+	}
+
+	for arg, nodeFilters := range argFilterMap {
+		cfg.Options.K3sOptions.ExtraArgs = append(cfg.Options.K3sOptions.ExtraArgs, conf.K3sArgWithNodeFilters{
+			Arg:         arg,
+			NodeFilters: nodeFilters,
+		})
+	}
+
 	return cfg, nil
 }
diff --git a/cmd/config/config.go b/cmd/config/config.go
index 2a49986a..7156c576 100644
--- a/cmd/config/config.go
+++ b/cmd/config/config.go
@@ -41,6 +41,7 @@ func NewCmdConfig() *cobra.Command {
 	}
 
 	cmd.AddCommand(NewCmdConfigInit())
+	cmd.AddCommand(NewCmdConfigMigrate())
 
 	return cmd
 }
diff --git a/cmd/config/configInit.go b/cmd/config/configInit.go
index 34b27b91..b85b754b 100644
--- a/cmd/config/configInit.go
+++ b/cmd/config/configInit.go
@@ -25,7 +25,7 @@ import (
 	"fmt"
 	"os"
 
-	config "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	config "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 )
diff --git a/cmd/config/configMigrate.go b/cmd/config/configMigrate.go
new file mode 100644
index 00000000..e18b19bc
--- /dev/null
+++ b/cmd/config/configMigrate.go
@@ -0,0 +1,111 @@
+/*
+Copyright © 2020 The k3d Author(s)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package config
+
+import (
+	"os"
+	"strings"
+
+	"github.com/rancher/k3d/v4/pkg/config"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"gopkg.in/yaml.v2"
+)
+
+// NewCmdConfigMigrate returns a new cobra command
+func NewCmdConfigMigrate() *cobra.Command {
+
+	cmd := &cobra.Command{
+		Use:  "migrate INPUT OUTPUT",
+		Args: cobra.RangeArgs(1, 2),
+		Run: func(cmd *cobra.Command, args []string) {
+
+			configFile := args[0]
+
+			if _, err := os.Stat(configFile); err != nil {
+				log.Fatalf("Failed to stat config file %s: %+v", configFile, err)
+			}
+
+			cfgViper := viper.New()
+			cfgViper.SetConfigType("yaml")
+
+			cfgViper.SetConfigFile(configFile)
+
+			// try to read config into memory (viper map structure)
+			if err := cfgViper.ReadInConfig(); err != nil {
+				if _, ok := err.(viper.ConfigFileNotFoundError); ok {
+					log.Fatalf("Config file %s not found: %+v", configFile, err)
+				}
+				// config file found but some other error happened
+				log.Fatalf("Failed to read config file %s: %+v", configFile, err)
+			}
+
+			schema, err := config.GetSchemaByVersion(cfgViper.GetString("apiVersion"))
+			if err != nil {
+				log.Fatalf("Cannot validate config file %s: %+v", configFile, err)
+			}
+
+			if err := config.ValidateSchemaFile(configFile, schema); err != nil {
+				log.Fatalf("Schema Validation failed for config file %s: %+v", configFile, err)
+			}
+
+			log.Infof("Using config file %s (%s#%s)", cfgViper.ConfigFileUsed(), strings.ToLower(cfgViper.GetString("apiVersion")), strings.ToLower(cfgViper.GetString("kind")))
+
+			cfg, err := config.FromViper(cfgViper)
+			if err != nil {
+				log.Fatalln(err)
+			}
+
+			if cfg.GetAPIVersion() != config.DefaultConfigApiVersion {
+				cfg, err = config.Migrate(cfg, config.DefaultConfigApiVersion)
+				if err != nil {
+					log.Fatalln(err)
+				}
+			}
+
+			yamlout, err := yaml.Marshal(cfg)
+			if err != nil {
+				log.Fatalln(err)
+			}
+
+			output := "-"
+
+			if len(args) > 1 {
+				output = args[1]
+			}
+
+			if output == "-" {
+				if _, err := os.Stdout.Write(yamlout); err != nil {
+					log.Fatalln(err)
+				}
+			} else {
+				if err := os.WriteFile(output, yamlout, os.ModeAppend); err != nil {
+					log.Fatalln(err)
+				}
+			}
+
+		},
+	}
+
+	return cmd
+}
diff --git a/docgen/README.md b/docgen/README.md
index b65264ef..26f1be62 100644
--- a/docgen/README.md
+++ b/docgen/README.md
@@ -6,6 +6,8 @@ The code will output files in [`../docs/usage/commands/`](../docs/usage/commands
 
 ## Run
 
+- may required a `replace github.com/rancher/k3d/v4 => PATH/TO/LOCAL/REPO` in the `go.mod`
+
 ```bash
 # ensure that you're in the docgen dir, as the relative path to the docs/ dir is hardcoded
 cd docgen
diff --git a/docgen/go.mod b/docgen/go.mod
index 8b20fcae..dc3a123f 100644
--- a/docgen/go.mod
+++ b/docgen/go.mod
@@ -7,11 +7,8 @@ require (
 	github.com/containerd/cgroups v0.0.0-20210414074453-680c246289fb // indirect
 	github.com/containerd/containerd v1.5.0-rc.1 // indirect
 	github.com/containerd/continuity v0.0.0-20210315143101-93e15499afd5 // indirect
-	github.com/docker/cli v20.10.6+incompatible // indirect
-	github.com/docker/docker v20.10.6+incompatible // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
-	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/magiconair/properties v1.8.5 // indirect
 	github.com/mitchellh/mapstructure v1.4.1 // indirect
 	github.com/pelletier/go-toml v1.9.0 // indirect
@@ -26,7 +23,6 @@ require (
 	google.golang.org/genproto v0.0.0-20210413151531-c14fb6ef47c3 // indirect
 	google.golang.org/grpc v1.37.0 // indirect
 	gopkg.in/ini.v1 v1.62.0 // indirect
-	k8s.io/client-go v0.21.0 // indirect
 	k8s.io/utils v0.0.0-20210305010621-2afb4311ab10 // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.1.1 // indirect
 )
diff --git a/docgen/go.sum b/docgen/go.sum
index 4cb02b63..93a5ce4e 100644
--- a/docgen/go.sum
+++ b/docgen/go.sum
@@ -39,7 +39,6 @@ github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX
 github.com/Azure/go-autorest v10.8.1+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/Azure/go-autorest/autorest v0.11.1/go.mod h1:JFgpikqFJ/MleTTxwepExTKnFUKKszPS8UavbQYUMuw=
-github.com/Azure/go-autorest/autorest v0.11.12/go.mod h1:eipySxLmqSyC5s5k1CLupqet0PSENBEDP93LQ9a8QYw=
 github.com/Azure/go-autorest/autorest/adal v0.9.0/go.mod h1:/c022QCutn2P7uY+/oQWWNcK9YU+MH96NgK+jErpbcg=
 github.com/Azure/go-autorest/autorest/adal v0.9.5/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A=
 github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
@@ -212,7 +211,6 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:ma
 github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cyphar/filepath-securejoin v0.2.2/go.mod h1:FpkQEhXnPnOthhzymB7CGsFk2G9VLXONKD9G7QGMM+4=
 github.com/d2g/dhcp4 v0.0.0-20170904100407-a1d1b6c41b1c/go.mod h1:Ct2BUK8SB0YC1SMSibvLzxjeJLnrYEVLULFNiHY9YfQ=
@@ -227,17 +225,15 @@ github.com/dgrijalva/jwt-go v0.0.0-20170104182250-a601269ab70c/go.mod h1:E3ru+11
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/dnaeon/go-vcr v1.0.1/go.mod h1:aBB1+wY4s93YsC3HHjMBMrwTj2R9FHDzUr9KyGc8n1E=
+github.com/docker/cli v20.10.5+incompatible h1:bjflayQbWg+xOkF2WPEAOi4Y7zWhR7ptoPhV/VqLVDE=
 github.com/docker/cli v20.10.5+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
-github.com/docker/cli v20.10.6+incompatible h1:LAyI6Lnwv+AUjtp2ZyN1lxqXBtkeFUqm4H7CZMWZuP8=
-github.com/docker/cli v20.10.6+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
 github.com/docker/distribution v0.0.0-20171011171712-7484e51bf6af/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
 github.com/docker/distribution v0.0.0-20190905152932-14b96e55d84c/go.mod h1:0+TTO4EOBfRPhZXAeF1Vu+W3hHZ8eLp8PgKVZlcvtFY=
 github.com/docker/distribution v2.7.1-0.20190205005809-0d3efadf0154+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
 github.com/docker/distribution v2.7.1+incompatible h1:a5mlkVzth6W5A4fOsS3D2EO5BUmsJpcB+cRlLU7cSug=
 github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
+github.com/docker/docker v20.10.5+incompatible h1:o5WL5onN4awYGwrW7+oTn5x9AF2prw7V0Ox8ZEkoCdg=
 github.com/docker/docker v20.10.5+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
-github.com/docker/docker v20.10.6+incompatible h1:oXI3Vas8TI8Eu/EjH4srKHJBVqraSzJybhxY7Om9faQ=
-github.com/docker/docker v20.10.6+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ=
 github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
 github.com/docker/go-events v0.0.0-20170721190031-9461782956ad/go.mod h1:Uw6UezgYA44ePAFQYUehOuCzmy5zmg/+nl2ZfMWGkpA=
@@ -253,7 +249,6 @@ github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZ
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/dvyukov/go-fuzz v0.0.0-20201127111758-49e582c6c23d/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
 github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
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@@ -286,9 +281,8 @@ github.com/go-lintpack/lintpack v0.5.2/go.mod h1:NwZuYi2nUHho8XEIZ6SIxihrnPoqBTD
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
+github.com/go-logr/logr v0.2.0 h1:QvGt2nLcHH0WK9orKa+ppBPAxREcH364nPUedEpK0TY=
 github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
-github.com/go-logr/logr v0.4.0 h1:K7/B1jt6fIBQVd4Owv2MqGQClcgf0R266+7C/QjRcLc=
-github.com/go-logr/logr v0.4.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
 github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
 github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg=
 github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
@@ -458,9 +452,8 @@ github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:
 github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
 github.com/imdario/mergo v0.3.8/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
 github.com/imdario/mergo v0.3.10/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
+github.com/imdario/mergo v0.3.11 h1:3tnifQM4i+fbajXKBHXWEH+KvNHqojZ778UH75j3bGA=
 github.com/imdario/mergo v0.3.11/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
-github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
-github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/j-keck/arping v0.0.0-20160618110441-2cf9dc699c56/go.mod h1:ymszkNOg6tORTn+6F6j+Jc8TOr5osrynvN6ivFWZ2GA=
@@ -494,12 +487,12 @@ github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
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+github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/pty v1.1.5/go.mod h1:9r2w37qlBe7rQ6e1fg1S/9xpWHSnaqNdHD3WcMdbPDA=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
-github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de h1:9TO3cAIGXtEhnIaL+V+BEER86oLrvS+kWobKpbJuye0=
 github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de/go.mod h1:zAbeS9B/r2mtpb6U+EI2rYA5OAXxsYw6wTamcNW+zcE=
 github.com/logrusorgru/aurora v0.0.0-20181002194514-a7b3b318ed4e/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4=
@@ -537,7 +530,6 @@ github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh
 github.com/mitchellh/mapstructure v1.4.1 h1:CpVNEelQCZBooIPDn+AR3NpivK/TIKU8bDxdASFVQag=
 github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mitchellh/osext v0.0.0-20151018003038-5e2d6d41470f/go.mod h1:OkQIRizQZAeMln+1tSwduZz7+Af5oFlKirV/MSYes2A=
-github.com/moby/spdystream v0.2.0/go.mod h1:f7i0iNDQJ059oMTcWxx8MA/zKFIuD/lY+0GqbN2Wy8c=
 github.com/moby/sys/mount v0.2.0 h1:WhCW5B355jtxndN5ovugJlMFJawbUODuW8fSnEH6SSM=
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@@ -564,8 +556,6 @@ github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+
 github.com/nbutton23/zxcvbn-go v0.0.0-20160627004424-a22cb81b2ecd/go.mod h1:o96djdrsSGy3AWPyBgZMAGfxZNfgntdJG+11KU4QvbU=
 github.com/nbutton23/zxcvbn-go v0.0.0-20171102151520-eafdab6b0663/go.mod h1:o96djdrsSGy3AWPyBgZMAGfxZNfgntdJG+11KU4QvbU=
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-github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
-github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
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 github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
@@ -660,8 +650,6 @@ github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFR
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
-github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
 github.com/ryanuber/go-glob v0.0.0-20170128012129-256dc444b735/go.mod h1:807d1WSdnB0XRJzKNil9Om6lcp/3a0v4qIHxIXzX/Yc=
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@@ -795,11 +783,6 @@ go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
-go4.org/intern v0.0.0-20210108033219-3eb7198706b2 h1:VFTf+jjIgsldaz/Mr00VaCSswHJrI2hIjQygE/W4IMg=
-go4.org/intern v0.0.0-20210108033219-3eb7198706b2/go.mod h1:vLqJ+12kCw61iCWsPto0EOHhBS+o4rO5VIucbc9g2Cc=
-go4.org/unsafe/assume-no-moving-gc v0.0.0-20201222175341-b30ae309168e/go.mod h1:FftLjUGFEDu5k8lt0ddY+HcrH/qU/0qk+H8j9/nTl3E=
-go4.org/unsafe/assume-no-moving-gc v0.0.0-20201222180813-1025295fd063 h1:1tk03FUNpulq2cuWpXZWj649rwJpk0d20rxWiopKRmc=
-go4.org/unsafe/assume-no-moving-gc v0.0.0-20201222180813-1025295fd063/go.mod h1:FftLjUGFEDu5k8lt0ddY+HcrH/qU/0qk+H8j9/nTl3E=
 golang.org/x/crypto v0.0.0-20171113213409-9f005a07e0d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -815,7 +798,7 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
+golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 h1:It14KIkyBFYkHkwZ7k45minvA9aorojkyjGk9KJ5B/w=
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -892,7 +875,6 @@ golang.org/x/net v0.0.0-20201006153459-a7d1128ccaa0/go.mod h1:sp8m0HH+o8qH0wwXwY
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210224082022-3d97a244fca7/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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@@ -985,7 +967,6 @@ golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201202213521-69691e467435/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -993,9 +974,7 @@ golang.org/x/sys v0.0.0-20210324051608-47abb6519492/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210414055047-fe65e336abe0 h1:g9s1Ppvvun/fI+BptTMj909BBIcGrzQ32k9FNlcevOE=
 golang.org/x/sys v0.0.0-20210414055047-fe65e336abe0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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 golang.org/x/term v0.0.0-20210406210042-72f3dc4e9b72 h1:VqE9gduFZ4dbR7XoL77lHFp0/DyDUBKSXK7CMFkVcV0=
 golang.org/x/term v0.0.0-20210406210042-72f3dc4e9b72/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -1012,9 +991,8 @@ golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
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 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e h1:EHBhcS0mlXEAVwNyO2dLfjToGsyY4j24pTs2ScHnX7s=
 golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba h1:O8mE0/t419eoIwhTFpKVkHiTs/Igowgfkj25AcZrtiE=
-golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20170915040203-e531a2a1c15f/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -1176,9 +1154,8 @@ gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLks
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20141024133853-64131543e789/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
@@ -1218,22 +1195,17 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-inet.af/netaddr v0.0.0-20210403172118-1e1430f727e0 h1:ANl7piXB3SHmhwTNeTO0yl0yf4gO3/aaFjcBCdH9Ftg=
-inet.af/netaddr v0.0.0-20210403172118-1e1430f727e0/go.mod h1:I2i9ONCXRZDnG1+7O8fSuYzjcPxHQXrIfzD/IkR87x4=
 k8s.io/api v0.20.1/go.mod h1:KqwcCVogGxQY3nBlRpwt+wpAMF/KjaCc7RpywacvqUo=
+k8s.io/api v0.20.4 h1:xZjKidCirayzX6tHONRQyTNDVIR55TYVqgATqo6ZULY=
 k8s.io/api v0.20.4/go.mod h1:++lNL1AJMkDymriNniQsWRkMDzRaX2Y/POTUi8yvqYQ=
-k8s.io/api v0.21.0 h1:gu5iGF4V6tfVCQ/R+8Hc0h7H1JuEhzyEi9S4R5LM8+Y=
-k8s.io/api v0.21.0/go.mod h1:+YbrhBBGgsxbF6o6Kj4KJPJnBmAKuXDeS3E18bgHNVU=
 k8s.io/apimachinery v0.20.1/go.mod h1:WlLqWAHZGg07AeltaI0MV5uk1Omp8xaN0JGLY6gkRpU=
+k8s.io/apimachinery v0.20.4 h1:vhxQ0PPUUU2Ns1b9r4/UFp13UPs8cw2iOoTjnY9faa0=
 k8s.io/apimachinery v0.20.4/go.mod h1:WlLqWAHZGg07AeltaI0MV5uk1Omp8xaN0JGLY6gkRpU=
-k8s.io/apimachinery v0.21.0 h1:3Fx+41if+IRavNcKOz09FwEXDBG6ORh6iMsTSelhkMA=
-k8s.io/apimachinery v0.21.0/go.mod h1:jbreFvJo3ov9rj7eWT7+sYiRx+qZuCYXwWT1bcDswPY=
 k8s.io/apiserver v0.20.1/go.mod h1:ro5QHeQkgMS7ZGpvf4tSMx6bBOgPfE+f52KwvXfScaU=
 k8s.io/apiserver v0.20.4/go.mod h1:Mc80thBKOyy7tbvFtB4kJv1kbdD0eIH8k8vianJcbFM=
 k8s.io/client-go v0.20.1/go.mod h1:/zcHdt1TeWSd5HoUe6elJmHSQ6uLLgp4bIJHVEuy+/Y=
+k8s.io/client-go v0.20.4 h1:85crgh1IotNkLpKYKZHVNI1JT86nr/iDCvq2iWKsql4=
 k8s.io/client-go v0.20.4/go.mod h1:LiMv25ND1gLUdBeYxBIwKpkSC5IsozMMmOOeSJboP+k=
-k8s.io/client-go v0.21.0 h1:n0zzzJsAQmJngpC0IhgFcApZyoGXPrDIAD601HD09ag=
-k8s.io/client-go v0.21.0/go.mod h1:nNBytTF9qPFDEhoqgEPaarobC8QPae13bElIVHzIglA=
 k8s.io/component-base v0.20.1/go.mod h1:guxkoJnNoh8LNrbtiQOlyp2Y2XFCZQmrcg2n/DeYNLk=
 k8s.io/component-base v0.20.4/go.mod h1:t4p9EdiagbVCJKrQ1RsA5/V4rFQNDfRlevJajlGwgjI=
 k8s.io/cri-api v0.17.3/go.mod h1:X1sbHmuXhwaHs9xxYffLqJogVsnI+f6cPRcgPel7ywM=
@@ -1241,11 +1213,9 @@ k8s.io/cri-api v0.20.1/go.mod h1:2JRbKt+BFLTjtrILYVqQK5jqhI+XNdF6UiGMgczeBCI=
 k8s.io/cri-api v0.20.4/go.mod h1:2JRbKt+BFLTjtrILYVqQK5jqhI+XNdF6UiGMgczeBCI=
 k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
 k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
+k8s.io/klog/v2 v2.4.0 h1:7+X0fUguPyrKEC4WjH8iGDg3laWgMo5tMnRTIGTTxGQ=
 k8s.io/klog/v2 v2.4.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
-k8s.io/klog/v2 v2.8.0 h1:Q3gmuM9hKEjefWFFYF0Mat+YyFJvsUyYuwyNNJ5C9Ts=
-k8s.io/klog/v2 v2.8.0/go.mod h1:hy9LJ/NvuK+iVyP4Ehqva4HxZG/oXyIS3n3Jmire4Ec=
 k8s.io/kube-openapi v0.0.0-20201113171705-d219536bb9fd/go.mod h1:WOJ3KddDSol4tAGcJo0Tvi+dK12EcqSLqcWsryKMpfM=
-k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7/go.mod h1:wXW5VT87nVfh/iLV8FpR2uDvrFyomxbtb1KivDbvPTE=
 k8s.io/kubernetes v1.13.0/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk=
 k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 k8s.io/utils v0.0.0-20210305010621-2afb4311ab10 h1:u5rPykqiCpL+LBfjRkXvnK71gOgIdmq3eHUEkPrbeTI=
@@ -1258,7 +1228,6 @@ rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.14/go.mod h1:LEScyzhFmoF5pso/YSeBstl57mOzx9xlU9n85RGrDQg=
 sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
-sigs.k8s.io/structured-merge-diff/v4 v4.1.0/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
 sigs.k8s.io/structured-merge-diff/v4 v4.1.1 h1:nYqY2A6oy37sKLYuSBXuQhbj4JVclzJK13BOIvJG5XU=
 sigs.k8s.io/structured-merge-diff/v4 v4.1.1/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
diff --git a/docs/usage/commands/k3d_cluster_create.md b/docs/usage/commands/k3d_cluster_create.md
index ff4ea16b..f784462d 100644
--- a/docs/usage/commands/k3d_cluster_create.md
+++ b/docs/usage/commands/k3d_cluster_create.md
@@ -25,16 +25,16 @@ k3d cluster create NAME [flags]
                                                                         - Example: `k3d cluster create --servers 3 --api-port 0.0.0.0:6550`
   -c, --config string                                                  Path of a config file to use
   -e, --env KEY[=VALUE][@NODEFILTER[;NODEFILTER...]]                   Add environment variables to nodes (Format: KEY[=VALUE][@NODEFILTER[;NODEFILTER...]]
-                                                                        - Example: `k3d cluster create --agents 2 -e "HTTP_PROXY=my.proxy.com" -e "SOME_KEY=SOME_VAL@server[0]"`
+                                                                        - Example: `k3d cluster create --agents 2 -e "HTTP_PROXY=my.proxy.com@server[0]" -e "SOME_KEY=SOME_VAL@server[0]"`
       --gpus string                                                    GPU devices to add to the cluster node containers ('all' to pass all GPUs) [From docker]
   -h, --help                                                           help for create
   -i, --image string                                                   Specify k3s image that you want to use for the nodes
-      --k3s-agent-arg k3s agent                                        Additional args passed to the k3s agent command on agent nodes (new flag per arg)
-      --k3s-server-arg k3s server                                      Additional args passed to the k3s server command on server nodes (new flag per arg)
+      --k3s-arg ARG@NODEFILTER[;@NODEFILTER]                           Additional args passed to k3s command (Format: ARG@NODEFILTER[;@NODEFILTER])
+                                                                        - Example: `k3d cluster create --k3s-arg "--disable=traefik@server[0]"
       --kubeconfig-switch-context                                      Directly switch the default kubeconfig's current-context to the new cluster's context (requires --kubeconfig-update-default) (default true)
       --kubeconfig-update-default                                      Directly update the default kubeconfig with the new cluster's context (default true)
   -l, --label KEY[=VALUE][@NODEFILTER[;NODEFILTER...]]                 Add label to node container (Format: KEY[=VALUE][@NODEFILTER[;NODEFILTER...]]
-                                                                        - Example: `k3d cluster create --agents 2 -l "my.label@agent[0,1]" -v "other.label=somevalue@server[0]"`
+                                                                        - Example: `k3d cluster create --agents 2 -l "my.label@agent[0,1]" -l "other.label=somevalue@server[0]"`
       --network string                                                 Join an existing network
       --no-hostip                                                      Disable the automatic injection of the Host IP as 'host.k3d.internal' into the containers and CoreDNS
       --no-image-volume                                                Disable the creation of a volume for importing images
diff --git a/docs/usage/commands/k3d_config.md b/docs/usage/commands/k3d_config.md
index c42923e5..8f8f076e 100644
--- a/docs/usage/commands/k3d_config.md
+++ b/docs/usage/commands/k3d_config.md
@@ -28,4 +28,5 @@ k3d config [flags]
 
 * [k3d](k3d.md)	 - https://k3d.io/ -> Run k3s in Docker!
 * [k3d config init](k3d_config_init.md)	 - 
+* [k3d config migrate](k3d_config_migrate.md)	 - 
 
diff --git a/docs/usage/commands/k3d_docgen.md b/docs/usage/commands/k3d_config_migrate.md
similarity index 63%
rename from docs/usage/commands/k3d_docgen.md
rename to docs/usage/commands/k3d_config_migrate.md
index 4767bdb6..902687ad 100644
--- a/docs/usage/commands/k3d_docgen.md
+++ b/docs/usage/commands/k3d_config_migrate.md
@@ -1,15 +1,15 @@
-## k3d docgen
+## k3d config migrate
+
 
-Generate command docs
 
 ```
-k3d docgen [flags]
+k3d config migrate INPUT OUTPUT [flags]
 ```
 
 ### Options
 
 ```
-  -h, --help   help for docgen
+  -h, --help   help for migrate
 ```
 
 ### Options inherited from parent commands
@@ -22,5 +22,5 @@ k3d docgen [flags]
 
 ### SEE ALSO
 
-* [k3d](k3d.md)	 - https://k3d.io/ -> Run k3s in Docker!
+* [k3d config](k3d_config.md)	 - Work with config file(s)
 
diff --git a/docs/usage/commands/k3d_node_create.md b/docs/usage/commands/k3d_node_create.md
index 041bb5cb..808cbe13 100644
--- a/docs/usage/commands/k3d_node_create.md
+++ b/docs/usage/commands/k3d_node_create.md
@@ -13,14 +13,15 @@ k3d node create NAME [flags]
 ### Options
 
 ```
-  -c, --cluster string     Select the cluster that the node shall connect to. (default "k3s-default")
-  -h, --help               help for create
-  -i, --image string       Specify k3s image used for the node(s) (default "docker.io/rancher/k3s:v1.20.0-k3s2")
-      --memory string      Memory limit imposed on the node [From docker]
-      --replicas int       Number of replicas of this node specification. (default 1)
-      --role string        Specify node role [server, agent] (default "agent")
-      --timeout duration   Maximum waiting time for '--wait' before canceling/returning.
-      --wait               Wait for the node(s) to be ready before returning.
+  -c, --cluster string           Select the cluster that the node shall connect to. (default "k3s-default")
+  -h, --help                     help for create
+  -i, --image string             Specify k3s image used for the node(s) (default "docker.io/rancher/k3s:v1.20.0-k3s2")
+      --k3s-node-label strings   Specify k3s node labels in format "foo=bar"
+      --memory string            Memory limit imposed on the node [From docker]
+      --replicas int             Number of replicas of this node specification. (default 1)
+      --role string              Specify node role [server, agent] (default "agent")
+      --timeout duration         Maximum waiting time for '--wait' before canceling/returning.
+      --wait                     Wait for the node(s) to be ready before returning.
 ```
 
 ### Options inherited from parent commands
diff --git a/docs/usage/configfile.md b/docs/usage/configfile.md
index 051b4edb..97fa45c0 100644
--- a/docs/usage/configfile.md
+++ b/docs/usage/configfile.md
@@ -25,13 +25,13 @@ Using a config file is as easy as putting it in a well-known place in your file
 
 As of the time of writing this documentation, the config file only **requires** you to define two fields:
 
-- `apiVersion` to match the version of the config file that you want to use (at this time it would be `apiVersion: k3d.io/v1alpha2`)
+- `apiVersion` to match the version of the config file that you want to use (at this time it would be `apiVersion: k3d.io/v1alpha3`)
 - `kind` to define the kind of config file that you want to use (currently we only have the `Simple` config)
 
 So this would be the minimal config file, which configures absolutely nothing:
 
 ```yaml
-apiVersion: k3d.io/v1alpha2
+apiVersion: k3d.io/v1alpha3
 kind: Simple
 ```
 
@@ -43,7 +43,7 @@ Currently, the config file is still in an Alpha-State, meaning, that it is subje
 !!! info "Validation via JSON-Schema"
     k3d uses a [JSON-Schema](https://json-schema.org/) to describe the expected format and fields of the configuration file.  
     This schema is also used to [validate](https://github.com/xeipuuv/gojsonschema#validation) a user-given config file.  
-    This JSON-Schema can be found in the specific config version sub-directory in the repository (e.g. [here for `v1alpha2`](https://github.com/rancher/k3d/blob/main/pkg/config/v1alpha2/schema.json)) and could be used to lookup supported fields or by linters to validate the config file, e.g. in your code editor.  
+    This JSON-Schema can be found in the specific config version sub-directory in the repository (e.g. [here for `v1alpha3`](https://github.com/rancher/k3d/blob/main/pkg/config/v1alpha3/schema.json)) and could be used to lookup supported fields or by linters to validate the config file, e.g. in your code editor.  
 
 ### All Options: Example
 
@@ -51,7 +51,7 @@ Since the config options and the config file are changing quite a bit, it's hard
 
 ```yaml
 # k3d configuration file, saved as e.g. /home/me/myk3dcluster.yaml
-apiVersion: k3d.io/v1alpha2 # this will change in the future as we make everything more stable
+apiVersion: k3d.io/v1alpha3 # this will change in the future as we make everything more stable
 kind: Simple # internally, we also have a Cluster config, which is not yet available externally
 name: mycluster # name that you want to give to your cluster (will still be prefixed with `k3d-`)
 servers: 1 # same as `--servers 1`
@@ -98,9 +98,10 @@ options:
     disableRollback: false # same as `--no-Rollback`
     disableHostIPInjection: false # same as `--no-hostip`
   k3s: # options passed on to K3s itself
-    extraServerArgs: # additional arguments passed to the `k3s server` command; same as `--k3s-server-arg`
-      - --tls-san=my.host.domain
-    extraAgentArgs: [] # addditional arguments passed to the `k3s agent` command; same as `--k3s-agent-arg`
+    extraArgs: # additional arguments passed to the `k3s server|agent` command; same as `--k3s-arg`
+      - arg: --tls-san=my.host.domain
+        nodeFilters:
+          - server[*]
   kubeconfig:
     updateDefaultKubeconfig: true # add new cluster to your default Kubeconfig; same as `--kubeconfig-update-default` (default: true)
     switchCurrentContext: true # also set current-context to the new cluster's context; same as `--kubeconfig-switch-context` (default: true)
diff --git a/docs/usage/guides/registries.md b/docs/usage/guides/registries.md
index 04411dc8..11a485ab 100644
--- a/docs/usage/guides/registries.md
+++ b/docs/usage/guides/registries.md
@@ -29,7 +29,7 @@ This file can also be used for providing additional information necessary for ac
 If you're using a `SimpleConfig` file to configure your k3d cluster, you may as well embed the registries.yaml in there directly:
 
 ```yaml
-apiVersion: k3d.io/v1alpha2
+apiVersion: k3d.io/v1alpha3
 kind: Simple
 name: test
 servers: 1
diff --git a/pkg/client/cluster.go b/pkg/client/cluster.go
index ec6cf801..4aa29fcb 100644
--- a/pkg/client/cluster.go
+++ b/pkg/client/cluster.go
@@ -36,7 +36,7 @@ import (
 	"github.com/docker/go-connections/nat"
 	"github.com/imdario/mergo"
 	"github.com/rancher/k3d/v4/pkg/actions"
-	config "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	config "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	k3drt "github.com/rancher/k3d/v4/pkg/runtimes"
 	"github.com/rancher/k3d/v4/pkg/runtimes/docker"
 	runtimeErr "github.com/rancher/k3d/v4/pkg/runtimes/errors"
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 9cf51e23..efd5b267 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -29,43 +29,51 @@ import (
 
 	"github.com/spf13/viper"
 
-	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	"github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	"github.com/rancher/k3d/v4/pkg/config/v1alpha3"
+	defaultConfig "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
+
+	types "github.com/rancher/k3d/v4/pkg/config/types"
 )
 
-func FromViperSimple(config *viper.Viper) (conf.SimpleConfig, error) {
+const DefaultConfigApiVersion = defaultConfig.ApiVersion
 
-	var cfg conf.SimpleConfig
+var Schemas = map[string]string{
+	v1alpha2.ApiVersion: v1alpha2.JSONSchema,
+	v1alpha3.ApiVersion: v1alpha3.JSONSchema,
+}
 
-	// determine config kind
-	if config.GetString("kind") != "" && strings.ToLower(config.GetString("kind")) != "simple" {
-		return cfg, fmt.Errorf("Wrong `kind` '%s' != 'simple' in config file", config.GetString("kind"))
+func GetSchemaByVersion(apiVersion string) ([]byte, error) {
+	schema, ok := Schemas[strings.ToLower(apiVersion)]
+	if !ok {
+		return nil, fmt.Errorf("unsupported apiVersion '%s'", apiVersion)
 	}
+	return []byte(schema), nil
+}
 
-	if err := config.Unmarshal(&cfg); err != nil {
-		log.Errorln("Failed to unmarshal File config")
-
-		return cfg, err
-	}
+func FromViper(config *viper.Viper) (types.Config, error) {
 
-	return cfg, nil
-}
+	var cfg types.Config
+	var err error
 
-func FromViper(config *viper.Viper) (conf.Config, error) {
+	apiVersion := strings.ToLower(config.GetString("apiversion"))
+	kind := strings.ToLower(config.GetString("kind"))
 
-	var cfg conf.Config
+	log.Tracef("Trying to read config apiVersion='%s', kind='%s'", apiVersion, kind)
 
-	// determine config kind
-	switch strings.ToLower(config.GetString("kind")) {
-	case "simple":
-		cfg = conf.SimpleConfig{}
-	case "cluster":
-		cfg = conf.ClusterConfig{}
-	case "clusterlist":
-		cfg = conf.ClusterListConfig{}
+	switch apiVersion {
+	case "k3d.io/v1alpha2":
+		cfg, err = v1alpha2.GetConfigByKind(kind)
+	case "k3d.io/v1alpha3":
+		cfg, err = v1alpha3.GetConfigByKind(kind)
 	case "":
-		return nil, fmt.Errorf("Missing `kind` in config file")
+		cfg, err = defaultConfig.GetConfigByKind(kind)
 	default:
-		return nil, fmt.Errorf("Unknown `kind` '%s' in config file", config.GetString("kind"))
+		return nil, fmt.Errorf("cannot read config with apiversion '%s'", config.GetString("apiversion"))
+	}
+
+	if err != nil {
+		return nil, err
 	}
 
 	if err := config.Unmarshal(&cfg); err != nil {
@@ -76,3 +84,12 @@ func FromViper(config *viper.Viper) (conf.Config, error) {
 
 	return cfg, nil
 }
+
+func getMigrations(version string) map[string]func(types.Config) (types.Config, error) {
+	switch version {
+	case v1alpha3.ApiVersion:
+		return v1alpha3.Migrations
+	default:
+		return nil
+	}
+}
diff --git a/pkg/config/config_test.go b/pkg/config/config_test.go
index 9f6e05d7..eb15f152 100644
--- a/pkg/config/config_test.go
+++ b/pkg/config/config_test.go
@@ -26,7 +26,8 @@ import (
 	"time"
 
 	"github.com/go-test/deep"
-	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	configtypes "github.com/rancher/k3d/v4/pkg/config/types"
+	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	"github.com/spf13/viper"
 
 	k3d "github.com/rancher/k3d/v4/pkg/types"
@@ -39,8 +40,8 @@ func TestReadSimpleConfig(t *testing.T) {
 	exposedAPI.HostPort = "6443"
 
 	expectedConfig := conf.SimpleConfig{
-		TypeMeta: conf.TypeMeta{
-			APIVersion: "k3d.io/v1alpha2",
+		TypeMeta: configtypes.TypeMeta{
+			APIVersion: "k3d.io/v1alpha3",
 			Kind:       "Simple",
 		},
 		Name:      "test",
@@ -83,8 +84,12 @@ func TestReadSimpleConfig(t *testing.T) {
 				DisableImageVolume:  false,
 			},
 			K3sOptions: conf.SimpleConfigOptionsK3s{
-				ExtraServerArgs: []string{"--tls-san=127.0.0.1"},
-				ExtraAgentArgs:  []string{},
+				ExtraArgs: []conf.K3sArgWithNodeFilters{
+					{
+						Arg:         "--tls-san=127.0.0.1",
+						NodeFilters: []string{"server[*]"},
+					},
+				},
 			},
 			KubeconfigOptions: conf.SimpleConfigOptionsKubeconfig{
 				UpdateDefaultKubeconfig: true,
@@ -107,7 +112,7 @@ func TestReadSimpleConfig(t *testing.T) {
 		t.Error(err)
 	}
 
-	cfg, err := FromViperSimple(config)
+	cfg, err := FromViper(config)
 	if err != nil {
 		t.Error(err)
 	}
@@ -123,8 +128,8 @@ func TestReadSimpleConfig(t *testing.T) {
 func TestReadClusterConfig(t *testing.T) {
 
 	expectedConfig := conf.ClusterConfig{
-		TypeMeta: conf.TypeMeta{
-			APIVersion: "k3d.io/v1alpha2",
+		TypeMeta: configtypes.TypeMeta{
+			APIVersion: "k3d.io/v1alpha3",
 			Kind:       "Cluster",
 		},
 		Cluster: k3d.Cluster{
@@ -168,8 +173,8 @@ func TestReadClusterConfig(t *testing.T) {
 func TestReadClusterListConfig(t *testing.T) {
 
 	expectedConfig := conf.ClusterListConfig{
-		TypeMeta: conf.TypeMeta{
-			APIVersion: "k3d.io/v1alpha2",
+		TypeMeta: configtypes.TypeMeta{
+			APIVersion: "k3d.io/v1alpha3",
 			Kind:       "ClusterList",
 		},
 		Clusters: []k3d.Cluster{
@@ -237,7 +242,7 @@ func TestReadUnknownConfig(t *testing.T) {
 		t.Error(err)
 	}
 
-	_, err := FromViperSimple(config)
+	_, err := FromViper(config)
 	if err == nil {
 		t.Fail()
 	}
diff --git a/pkg/config/jsonschema_test.go b/pkg/config/jsonschema_test.go
index 5ece4e79..f3ec75b6 100644
--- a/pkg/config/jsonschema_test.go
+++ b/pkg/config/jsonschema_test.go
@@ -24,14 +24,14 @@ package config
 import (
 	"testing"
 
-	"github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	"github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 )
 
 func TestValidateSchema(t *testing.T) {
 
 	cfgPath := "./test_assets/config_test_simple.yaml"
 
-	if err := ValidateSchemaFile(cfgPath, []byte(v1alpha2.JSONSchema)); err != nil {
+	if err := ValidateSchemaFile(cfgPath, []byte(v1alpha3.JSONSchema)); err != nil {
 		t.Errorf("Validation of config file %s against the default schema failed: %+v", cfgPath, err)
 	}
 
@@ -42,7 +42,7 @@ func TestValidateSchemaFail(t *testing.T) {
 	cfgPath := "./test_assets/config_test_simple_invalid_servers.yaml"
 
 	var err error
-	if err = ValidateSchemaFile(cfgPath, []byte(v1alpha2.JSONSchema)); err == nil {
+	if err = ValidateSchemaFile(cfgPath, []byte(v1alpha3.JSONSchema)); err == nil {
 		t.Errorf("Validation of config file %s against the default schema passed where we expected a failure", cfgPath)
 	}
 
diff --git a/pkg/config/merge.go b/pkg/config/merge.go
index 390269dc..c86c0eaa 100644
--- a/pkg/config/merge.go
+++ b/pkg/config/merge.go
@@ -24,7 +24,7 @@ package config
 
 import (
 	"github.com/imdario/mergo"
-	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	log "github.com/sirupsen/logrus"
 )
 
diff --git a/pkg/config/merge_test.go b/pkg/config/merge_test.go
index 349f7d4b..cfb73b72 100644
--- a/pkg/config/merge_test.go
+++ b/pkg/config/merge_test.go
@@ -25,7 +25,8 @@ package config
 import (
 	"testing"
 
-	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	configtypes "github.com/rancher/k3d/v4/pkg/config/types"
+	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	"github.com/spf13/viper"
 	"gotest.tools/assert"
 )
@@ -34,7 +35,7 @@ func TestMergeSimpleConfig(t *testing.T) {
 	srcConfig := "./test_assets/config_test_simple.yaml"
 	destConfig := "./test_assets/config_test_simple_2.yaml"
 
-	var src, dest conf.Config
+	var src, dest configtypes.Config
 	var err error
 
 	cfg1 := viper.New()
@@ -45,11 +46,11 @@ func TestMergeSimpleConfig(t *testing.T) {
 	cfg2.SetConfigFile(destConfig)
 	_ = cfg2.ReadInConfig()
 
-	if src, err = FromViperSimple(cfg1); err != nil {
+	if src, err = FromViper(cfg1); err != nil {
 		t.Fatal(err)
 	}
 
-	if dest, err = FromViperSimple(cfg2); err != nil {
+	if dest, err = FromViper(cfg2); err != nil {
 		t.Fatal(err)
 	}
 
diff --git a/pkg/config/migrate.go b/pkg/config/migrate.go
new file mode 100644
index 00000000..28fb5d1f
--- /dev/null
+++ b/pkg/config/migrate.go
@@ -0,0 +1,40 @@
+/*
+Copyright © 2020 The k3d Author(s)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package config
+
+import (
+	"fmt"
+
+	types "github.com/rancher/k3d/v4/pkg/config/types"
+)
+
+func Migrate(config types.Config, targetVersion string) (types.Config, error) {
+
+	migration, ok := getMigrations(targetVersion)[config.GetAPIVersion()]
+	if !ok {
+		return nil, fmt.Errorf("no migration possible from '%s' to '%s'", config.GetAPIVersion(), targetVersion)
+	}
+
+	return migration(config)
+
+}
diff --git a/pkg/config/process.go b/pkg/config/process.go
index 199a77cf..d67d55ae 100644
--- a/pkg/config/process.go
+++ b/pkg/config/process.go
@@ -23,7 +23,7 @@ THE SOFTWARE.
 package config
 
 import (
-	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	log "github.com/sirupsen/logrus"
 )
 
diff --git a/pkg/config/process_test.go b/pkg/config/process_test.go
index 5326ca53..c4d890ed 100644
--- a/pkg/config/process_test.go
+++ b/pkg/config/process_test.go
@@ -26,6 +26,7 @@ import (
 	"context"
 	"testing"
 
+	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	"github.com/rancher/k3d/v4/pkg/runtimes"
 	"github.com/spf13/viper"
 	"gotest.tools/assert"
@@ -38,14 +39,14 @@ func TestProcessClusterConfig(t *testing.T) {
 	vip.SetConfigFile(cfgFile)
 	_ = vip.ReadInConfig()
 
-	cfg, err := FromViperSimple(vip)
+	cfg, err := FromViper(vip)
 	if err != nil {
 		t.Error(err)
 	}
 
 	t.Logf("\n========== Read Config and transform to cluster ==========\n%+v\n=================================\n", cfg)
 
-	clusterCfg, err := TransformSimpleToClusterConfig(context.Background(), runtimes.Docker, cfg)
+	clusterCfg, err := TransformSimpleToClusterConfig(context.Background(), runtimes.Docker, cfg.(conf.SimpleConfig))
 	if err != nil {
 		t.Error(err)
 	}
diff --git a/pkg/config/test_assets/config_test_cluster.yaml b/pkg/config/test_assets/config_test_cluster.yaml
index e90f30b2..f1a8438c 100644
--- a/pkg/config/test_assets/config_test_cluster.yaml
+++ b/pkg/config/test_assets/config_test_cluster.yaml
@@ -1,4 +1,4 @@
-apiVersion: k3d.io/v1alpha2
+apiVersion: k3d.io/v1alpha3
 kind: Cluster
 name: foo
 nodes:
diff --git a/pkg/config/test_assets/config_test_cluster_list.yaml b/pkg/config/test_assets/config_test_cluster_list.yaml
index 0eba2c22..9d2e55ca 100644
--- a/pkg/config/test_assets/config_test_cluster_list.yaml
+++ b/pkg/config/test_assets/config_test_cluster_list.yaml
@@ -1,5 +1,5 @@
 ---
-apiVersion: k3d.io/v1alpha2
+apiVersion: k3d.io/v1alpha3
 kind: ClusterList
 clusters:
   - name: foo
diff --git a/pkg/config/test_assets/config_test_simple.yaml b/pkg/config/test_assets/config_test_simple.yaml
index e264bd9a..4e132176 100644
--- a/pkg/config/test_assets/config_test_simple.yaml
+++ b/pkg/config/test_assets/config_test_simple.yaml
@@ -1,4 +1,4 @@
-apiVersion: k3d.io/v1alpha2
+apiVersion: k3d.io/v1alpha3
 kind: Simple
 name: test
 servers: 1
@@ -25,7 +25,7 @@ env:
 labels:
   - label: foo=bar
     nodeFilters:
-      - server[0]
+      - "server[0]"
       - loadbalancer
 
 options:
@@ -35,9 +35,10 @@ options:
     disableLoadbalancer: false
     disableImageVolume: false
   k3s:
-    extraServerArgs:
-      - --tls-san=127.0.0.1
-    extraAgentArgs: []
+    extraArgs:
+      - arg: --tls-san=127.0.0.1
+        nodeFilters:
+          - "server[*]"
   kubeconfig:
     updateDefaultKubeconfig: true
-    switchCurrentContext: true
\ No newline at end of file
+    switchCurrentContext: true
diff --git a/pkg/config/test_assets/config_test_simple_2.yaml b/pkg/config/test_assets/config_test_simple_2.yaml
index 0d5293ee..a849e322 100644
--- a/pkg/config/test_assets/config_test_simple_2.yaml
+++ b/pkg/config/test_assets/config_test_simple_2.yaml
@@ -1,4 +1,4 @@
-apiVersion: k3d.io/v1alpha2
+apiVersion: k3d.io/v1alpha3
 kind: Simple
 name: supertest
 agents: 8
\ No newline at end of file
diff --git a/pkg/config/test_assets/config_test_simple_invalid_servers.yaml b/pkg/config/test_assets/config_test_simple_invalid_servers.yaml
index 7f2442c3..b9e75fb6 100644
--- a/pkg/config/test_assets/config_test_simple_invalid_servers.yaml
+++ b/pkg/config/test_assets/config_test_simple_invalid_servers.yaml
@@ -1,4 +1,4 @@
-apiVersion: k3d.io/v1alpha2
+apiVersion: k3d.io/v1alpha3
 kind: Simple
 name: 1234
 servers: 1
@@ -35,9 +35,10 @@ options:
     disableLoadbalancer: false
     disableImageVolume: false
   k3s:
-    extraServerArgs:
-      - --tls-san=127.0.0.1
-    extraAgentArgs: []
+    extraArgs:
+      - arg: --tls-san=127.0.0.1
+        nodeFilters:
+          - "server[*]"
   kubeconfig:
     updateDefaultKubeconfig: true
     switchCurrentContext: true
\ No newline at end of file
diff --git a/pkg/config/test_assets/config_test_unknown.yaml b/pkg/config/test_assets/config_test_unknown.yaml
index 356972ce..66fe0c0f 100644
--- a/pkg/config/test_assets/config_test_unknown.yaml
+++ b/pkg/config/test_assets/config_test_unknown.yaml
@@ -1,3 +1,3 @@
-apiVersion: k3d.io/v1alpha2
+apiVersion: k3d.io/v1alpha3
 kind: Unknown
 foo: bar
\ No newline at end of file
diff --git a/pkg/config/transform.go b/pkg/config/transform.go
index 76f9751e..0ec43686 100644
--- a/pkg/config/transform.go
+++ b/pkg/config/transform.go
@@ -31,7 +31,7 @@ import (
 
 	"github.com/docker/go-connections/nat"
 	cliutil "github.com/rancher/k3d/v4/cmd/util" // TODO: move parseapiport to pkg
-	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	"github.com/rancher/k3d/v4/pkg/runtimes"
 	k3d "github.com/rancher/k3d/v4/pkg/types"
 	"github.com/rancher/k3d/v4/pkg/types/k3s"
@@ -117,7 +117,6 @@ func TransformSimpleToClusterConfig(ctx context.Context, runtime runtimes.Runtim
 		serverNode := k3d.Node{
 			Role:       k3d.ServerRole,
 			Image:      simpleConfig.Image,
-			Args:       simpleConfig.Options.K3sOptions.ExtraServerArgs,
 			ServerOpts: k3d.ServerOpts{},
 			Memory:     simpleConfig.Options.Runtime.ServersMemory,
 		}
@@ -135,7 +134,6 @@ func TransformSimpleToClusterConfig(ctx context.Context, runtime runtimes.Runtim
 		agentNode := k3d.Node{
 			Role:   k3d.AgentRole,
 			Image:  simpleConfig.Image,
-			Args:   simpleConfig.Options.K3sOptions.ExtraAgentArgs,
 			Memory: simpleConfig.Options.Runtime.AgentsMemory,
 		}
 		newCluster.Nodes = append(newCluster.Nodes, &agentNode)
@@ -228,6 +226,22 @@ func TransformSimpleToClusterConfig(ctx context.Context, runtime runtimes.Runtim
 		}
 	}
 
+	// -> ARGS
+	for _, argWithNodeFilters := range simpleConfig.Options.K3sOptions.ExtraArgs {
+		if len(argWithNodeFilters.NodeFilters) == 0 && nodeCount > 1 {
+			return nil, fmt.Errorf("K3sExtraArg '%s' lacks a node filter, but there's more than one node", argWithNodeFilters.Arg)
+		}
+
+		nodes, err := util.FilterNodes(nodeList, argWithNodeFilters.NodeFilters)
+		if err != nil {
+			return nil, err
+		}
+
+		for _, node := range nodes {
+			node.Args = append(node.Args, argWithNodeFilters.Arg)
+		}
+	}
+
 	/**************************
 	 * Cluster Create Options *
 	 **************************/
@@ -238,8 +252,6 @@ func TransformSimpleToClusterConfig(ctx context.Context, runtime runtimes.Runtim
 		WaitForServer:              simpleConfig.Options.K3dOptions.Wait,
 		Timeout:                    simpleConfig.Options.K3dOptions.Timeout,
 		DisableLoadBalancer:        simpleConfig.Options.K3dOptions.DisableLoadbalancer,
-		K3sServerArgs:              simpleConfig.Options.K3sOptions.ExtraServerArgs,
-		K3sAgentArgs:               simpleConfig.Options.K3sOptions.ExtraAgentArgs,
 		GPURequest:                 simpleConfig.Options.Runtime.GPURequest,
 		ServersMemory:              simpleConfig.Options.Runtime.ServersMemory,
 		AgentsMemory:               simpleConfig.Options.Runtime.AgentsMemory,
diff --git a/pkg/config/transform_test.go b/pkg/config/transform_test.go
index 6cfb336d..495f499c 100644
--- a/pkg/config/transform_test.go
+++ b/pkg/config/transform_test.go
@@ -26,6 +26,7 @@ import (
 	"context"
 	"testing"
 
+	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	"github.com/rancher/k3d/v4/pkg/runtimes"
 	"github.com/spf13/viper"
 )
@@ -37,14 +38,14 @@ func TestTransformSimpleConfigToClusterConfig(t *testing.T) {
 	vip.SetConfigFile(cfgFile)
 	_ = vip.ReadInConfig()
 
-	cfg, err := FromViperSimple(vip)
+	cfg, err := FromViper(vip)
 	if err != nil {
 		t.Error(err)
 	}
 
 	t.Logf("\n========== Read Config ==========\n%+v\n=================================\n", cfg)
 
-	clusterCfg, err := TransformSimpleToClusterConfig(context.Background(), runtimes.Docker, cfg)
+	clusterCfg, err := TransformSimpleToClusterConfig(context.Background(), runtimes.Docker, cfg.(conf.SimpleConfig))
 	if err != nil {
 		t.Error(err)
 	}
diff --git a/pkg/config/types/types.go b/pkg/config/types/types.go
new file mode 100644
index 00000000..ff0e26e5
--- /dev/null
+++ b/pkg/config/types/types.go
@@ -0,0 +1,34 @@
+/*
+Copyright © 2020 The k3d Author(s)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package types
+
+// TypeMeta is basically copied from https://github.com/kubernetes/apimachinery/blob/a3b564b22db316a41e94fdcffcf9995424fe924c/pkg/apis/meta/v1/types.go#L36-L56
+type TypeMeta struct {
+	Kind       string `mapstructure:"kind,omitempty" yaml:"kind,omitempty" json:"kind,omitempty"`
+	APIVersion string `mapstructure:"apiVersion,omitempty" yaml:"apiVersion,omitempty" json:"apiVersion,omitempty"`
+}
+
+// Config interface.
+type Config interface {
+	GetKind() string
+	GetAPIVersion() string
+}
diff --git a/pkg/config/v1alpha2/types.go b/pkg/config/v1alpha2/types.go
index 0679cfd4..9f2375d1 100644
--- a/pkg/config/v1alpha2/types.go
+++ b/pkg/config/v1alpha2/types.go
@@ -27,6 +27,7 @@ import (
 	"fmt"
 	"time"
 
+	configtypes "github.com/rancher/k3d/v4/pkg/config/types"
 	k3d "github.com/rancher/k3d/v4/pkg/types"
 	"github.com/rancher/k3d/v4/version"
 )
@@ -35,9 +36,11 @@ import (
 //go:embed schema.json
 var JSONSchema string
 
+const ApiVersion = "k3d.io/v1alpha2"
+
 // DefaultConfigTpl for printing
 const DefaultConfigTpl = `---
-apiVersion: k3d.io/v1alpha2
+apiVersion: %s
 kind: Simple
 name: %s
 servers: 1
@@ -48,21 +51,11 @@ image: %s
 // DefaultConfig templated DefaultConfigTpl
 var DefaultConfig = fmt.Sprintf(
 	DefaultConfigTpl,
+	ApiVersion,
 	k3d.DefaultClusterName,
 	fmt.Sprintf("%s:%s", k3d.DefaultK3sImageRepo, version.GetK3sVersion(false)),
 )
 
-// TypeMeta is basically copied from https://github.com/kubernetes/apimachinery/blob/a3b564b22db316a41e94fdcffcf9995424fe924c/pkg/apis/meta/v1/types.go#L36-L56
-type TypeMeta struct {
-	Kind       string `mapstructure:"kind,omitempty" yaml:"kind,omitempty" json:"kind,omitempty"`
-	APIVersion string `mapstructure:"apiVersion,omitempty" yaml:"apiVersion,omitempty" json:"apiVersion,omitempty"`
-}
-
-// Config interface.
-type Config interface {
-	GetKind() string
-}
-
 type VolumeWithNodeFilters struct {
 	Volume      string   `mapstructure:"volume" yaml:"volume" json:"volume,omitempty"`
 	NodeFilters []string `mapstructure:"nodeFilters" yaml:"nodeFilters" json:"nodeFilters,omitempty"`
@@ -119,21 +112,21 @@ type SimpleConfigOptionsK3s struct {
 
 // SimpleConfig describes the toplevel k3d configuration file.
 type SimpleConfig struct {
-	TypeMeta     `mapstructure:",squash" yaml:",inline"`
-	Name         string                  `mapstructure:"name" yaml:"name" json:"name,omitempty"`
-	Servers      int                     `mapstructure:"servers" yaml:"servers" json:"servers,omitempty"` //nolint:lll    // default 1
-	Agents       int                     `mapstructure:"agents" yaml:"agents" json:"agents,omitempty"`    //nolint:lll    // default 0
-	ExposeAPI    SimpleExposureOpts      `mapstructure:"kubeAPI" yaml:"kubeAPI" json:"kubeAPI,omitempty"`
-	Image        string                  `mapstructure:"image" yaml:"image" json:"image,omitempty"`
-	Network      string                  `mapstructure:"network" yaml:"network" json:"network,omitempty"`
-	Subnet       string                  `mapstructure:"subnet" yaml:"subnet" json:"subnet,omitempty"`
-	ClusterToken string                  `mapstructure:"token" yaml:"clusterToken" json:"clusterToken,omitempty"` // default: auto-generated
-	Volumes      []VolumeWithNodeFilters `mapstructure:"volumes" yaml:"volumes" json:"volumes,omitempty"`
-	Ports        []PortWithNodeFilters   `mapstructure:"ports" yaml:"ports" json:"ports,omitempty"`
-	Labels       []LabelWithNodeFilters  `mapstructure:"labels" yaml:"labels" json:"labels,omitempty"`
-	Options      SimpleConfigOptions     `mapstructure:"options" yaml:"options" json:"options,omitempty"`
-	Env          []EnvVarWithNodeFilters `mapstructure:"env" yaml:"env" json:"env,omitempty"`
-	Registries   struct {
+	configtypes.TypeMeta `mapstructure:",squash" yaml:",inline"`
+	Name                 string                  `mapstructure:"name" yaml:"name" json:"name,omitempty"`
+	Servers              int                     `mapstructure:"servers" yaml:"servers" json:"servers,omitempty"` //nolint:lll    // default 1
+	Agents               int                     `mapstructure:"agents" yaml:"agents" json:"agents,omitempty"`    //nolint:lll    // default 0
+	ExposeAPI            SimpleExposureOpts      `mapstructure:"kubeAPI" yaml:"kubeAPI" json:"kubeAPI,omitempty"`
+	Image                string                  `mapstructure:"image" yaml:"image" json:"image,omitempty"`
+	Network              string                  `mapstructure:"network" yaml:"network" json:"network,omitempty"`
+	Subnet               string                  `mapstructure:"subnet" yaml:"subnet" json:"subnet,omitempty"`
+	ClusterToken         string                  `mapstructure:"token" yaml:"clusterToken" json:"clusterToken,omitempty"` // default: auto-generated
+	Volumes              []VolumeWithNodeFilters `mapstructure:"volumes" yaml:"volumes" json:"volumes,omitempty"`
+	Ports                []PortWithNodeFilters   `mapstructure:"ports" yaml:"ports" json:"ports,omitempty"`
+	Labels               []LabelWithNodeFilters  `mapstructure:"labels" yaml:"labels" json:"labels,omitempty"`
+	Options              SimpleConfigOptions     `mapstructure:"options" yaml:"options" json:"options,omitempty"`
+	Env                  []EnvVarWithNodeFilters `mapstructure:"env" yaml:"env" json:"env,omitempty"`
+	Registries           struct {
 		Use    []string `mapstructure:"use" yaml:"use,omitempty" json:"use,omitempty"`
 		Create bool     `mapstructure:"create" yaml:"create,omitempty" json:"create,omitempty"`
 		Config string   `mapstructure:"config" yaml:"config,omitempty" json:"config,omitempty"` // registries.yaml (k3s config for containerd registry override)
@@ -147,30 +140,60 @@ type SimpleExposureOpts struct {
 	HostPort string `mapstructure:"hostPort" yaml:"hostPort,omitempty" json:"hostPort,omitempty"`
 }
 
-// GetKind implements Config.GetKind
+// Kind implements Config.Kind
 func (c SimpleConfig) GetKind() string {
-	return "Cluster"
+	return "Simple"
+}
+
+func (c SimpleConfig) GetAPIVersion() string {
+	return ApiVersion
 }
 
 // ClusterConfig describes a single cluster config
 type ClusterConfig struct {
-	TypeMeta          `mapstructure:",squash" yaml:",inline"`
-	Cluster           k3d.Cluster                   `mapstructure:",squash" yaml:",inline"`
-	ClusterCreateOpts k3d.ClusterCreateOpts         `mapstructure:"options" yaml:"options"`
-	KubeconfigOpts    SimpleConfigOptionsKubeconfig `mapstructure:"kubeconfig" yaml:"kubeconfig"`
+	configtypes.TypeMeta `mapstructure:",squash" yaml:",inline"`
+	Cluster              k3d.Cluster                   `mapstructure:",squash" yaml:",inline"`
+	ClusterCreateOpts    k3d.ClusterCreateOpts         `mapstructure:"options" yaml:"options"`
+	KubeconfigOpts       SimpleConfigOptionsKubeconfig `mapstructure:"kubeconfig" yaml:"kubeconfig"`
 }
 
-// GetKind implements Config.GetKind
+// Kind implements Config.Kind
 func (c ClusterConfig) GetKind() string {
-	return "Cluster"
+	return "Simple"
+}
+
+func (c ClusterConfig) GetAPIVersion() string {
+	return ApiVersion
 }
 
 // ClusterListConfig describes a list of clusters
 type ClusterListConfig struct {
-	TypeMeta `mapstructure:",squash" yaml:",inline"`
-	Clusters []k3d.Cluster `mapstructure:"clusters" yaml:"clusters"`
+	configtypes.TypeMeta `mapstructure:",squash" yaml:",inline"`
+	Clusters             []k3d.Cluster `mapstructure:"clusters" yaml:"clusters"`
 }
 
 func (c ClusterListConfig) GetKind() string {
-	return "ClusterList"
+	return "Simple"
+}
+
+func (c ClusterListConfig) GetAPIVersion() string {
+	return ApiVersion
+}
+
+func GetConfigByKind(kind string) (configtypes.Config, error) {
+
+	// determine config kind
+	switch kind {
+	case "simple":
+		return SimpleConfig{}, nil
+	case "cluster":
+		return ClusterConfig{}, nil
+	case "clusterlist":
+		return ClusterListConfig{}, nil
+	case "":
+		return nil, fmt.Errorf("missing `kind` in config file")
+	default:
+		return nil, fmt.Errorf("unknown `kind` '%s' in config file", kind)
+	}
+
 }
diff --git a/pkg/config/v1alpha3/migrations.go b/pkg/config/v1alpha3/migrations.go
new file mode 100644
index 00000000..5c894ca1
--- /dev/null
+++ b/pkg/config/v1alpha3/migrations.go
@@ -0,0 +1,84 @@
+/*
+Copyright © 2020 The k3d Author(s)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package v1alpha3
+
+import (
+	"encoding/json"
+
+	configtypes "github.com/rancher/k3d/v4/pkg/config/types"
+	"github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	log "github.com/sirupsen/logrus"
+)
+
+var Migrations = map[string]func(configtypes.Config) (configtypes.Config, error){
+	v1alpha2.ApiVersion: MigrateV1Alpha2,
+}
+
+func MigrateV1Alpha2(input configtypes.Config) (configtypes.Config, error) {
+	log.Debugln("Migrating v1alpha2 to v1alpha3")
+
+	injson, err := json.Marshal(input)
+	if err != nil {
+		return nil, err
+	}
+
+	if input.GetKind() == "Simple" {
+		cfg := SimpleConfig{}
+
+		if err := json.Unmarshal(injson, &cfg); err != nil {
+			return nil, err
+		}
+
+		cfg.Options.K3sOptions.ExtraArgs = []K3sArgWithNodeFilters{}
+
+		for _, arg := range input.(v1alpha2.SimpleConfig).Options.K3sOptions.ExtraServerArgs {
+			cfg.Options.K3sOptions.ExtraArgs = append(cfg.Options.K3sOptions.ExtraArgs, K3sArgWithNodeFilters{
+				Arg: arg,
+				NodeFilters: []string{
+					"server[*]",
+				},
+			})
+		}
+
+		for _, arg := range input.(v1alpha2.SimpleConfig).Options.K3sOptions.ExtraAgentArgs {
+			cfg.Options.K3sOptions.ExtraArgs = append(cfg.Options.K3sOptions.ExtraArgs, K3sArgWithNodeFilters{
+				Arg: arg,
+				NodeFilters: []string{
+					"agent[*]",
+				},
+			})
+		}
+
+		cfg.APIVersion = ApiVersion
+
+		log.Debugf("Migrated config: %+v", cfg)
+
+		return cfg, nil
+
+	}
+
+	log.Debugf("No migration needed for %s#%s -> %s#%s", input.GetAPIVersion(), input.GetKind(), ApiVersion, input.GetKind())
+
+	return input, nil
+
+}
diff --git a/pkg/config/v1alpha3/schema.json b/pkg/config/v1alpha3/schema.json
new file mode 100644
index 00000000..2b07c02c
--- /dev/null
+++ b/pkg/config/v1alpha3/schema.json
@@ -0,0 +1,254 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "SimpleConfig",
+  "type": "object",
+  "required": [
+    "apiVersion",
+    "kind"
+  ],
+  "properties": {
+    "apiVersion": {
+      "type": "string",
+      "enum": [
+        "k3d.io/v1alpha3"
+      ],
+      "default": "k3d.io/v1alpha3"
+    },
+    "kind": {
+      "type": "string",
+      "enum": [
+        "Simple"
+      ],
+      "default": "Simple"
+    },
+    "name": {
+      "description": "Name of the cluster (must be a valid hostname and will be prefixed with 'k3d-'). Example: 'mycluster'.",
+			"type": "string",
+			"format": "hostname"
+    },
+    "servers": {
+      "type": "number",
+      "minimum": 1
+    },
+    "agents": {
+      "type": "number",
+      "minimum": 0
+    },
+    "kubeAPI": {
+      "type": "object",
+      "properties": {
+        "host": {
+          "type": "string",
+          "format": "hostname"
+        },
+        "hostIP": {
+          "type": "string",
+          "format": "ipv4",
+          "examples": [
+            "0.0.0.0",
+            "192.168.178.55"
+          ]
+        },
+        "hostPort": {
+          "type":"string",
+          "examples": [
+            "6443"
+          ]
+        }
+      },
+      "additionalProperties": false
+    },
+    "image": {
+      "type": "string",
+      "examples": [
+        "rancher/k3s:latest"
+      ]
+    },
+    "network": {
+      "type": "string"
+    },
+    "subnet": {
+      "type": "string",
+      "default": "auto",
+      "examples": [
+        "172.28.0.0/16",
+        "192.162.0.0/16"
+      ]
+    },
+    "token": {
+      "type": "string"
+    },
+    "volumes": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "volume": {
+            "type": "string"
+          },
+          "nodeFilters": {  
+            "$ref": "#/definitions/nodeFilters"
+          }
+        },
+        "additionalProperties": false
+      }
+    },
+    "ports": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "port": {
+            "type": "string"
+          },
+          "nodeFilters": {  
+            "$ref": "#/definitions/nodeFilters"
+          }
+        },
+        "additionalProperties": false
+      }
+    },
+    "labels": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "label": {
+            "type": "string"
+          },
+          "nodeFilters": {  
+            "$ref": "#/definitions/nodeFilters"
+          }
+        },
+        "additionalProperties": false
+      }
+    },
+    "options": {
+      "type": "object",
+      "properties": {
+        "k3d": {
+          "type": "object",
+          "properties": {
+            "wait": {
+              "type": "boolean",
+              "default": true
+            },
+            "timeout": {
+              "type": "string",
+              "examples": [
+                "60s",
+                "1m",
+                "1m30s"
+              ]
+            },
+            "disableLoadbalancer": {
+              "type": "boolean",
+              "default": false
+            },
+            "disableImageVolume": {
+              "type": "boolean",
+              "default": false
+            },
+            "disableRollback": {
+              "type": "boolean",
+              "default": false
+            },
+            "disableHostIPInjection": {
+              "type": "boolean",
+              "default": false
+            }
+          },
+          "additionalProperties": false
+        },
+        "k3s": {
+          "type": "object",
+          "properties": {
+            "extraArgs": {
+              "type": "array",
+              "items": {
+                "type": "object",
+                "properties": {
+                  "arg": {
+                    "type": "string",
+                    "examples": [
+                      "--tls-san=127.0.0.1",
+                      "--disable=traefik"
+                    ]
+                  },
+                  "nodeFilters": {  
+                    "$ref": "#/definitions/nodeFilters"
+                  }
+                },
+                "additionalProperties": false
+              }
+            }
+          },
+          "additionalProperties": false
+        },
+        "kubeconfig": {
+          "type": "object",
+          "properties": {
+            "updateDefaultKubeconfig": {
+              "type": "boolean",
+              "default": true
+            },
+            "switchCurrentContext": {
+              "type": "boolean",
+              "default": true
+            }
+          },
+          "additionalProperties": false
+        },
+        "runtime": {
+          "type": "object",
+          "properties": {
+            "gpuRequest": {
+              "type": "string"
+            },
+            "serversMemory": {
+              "type": "string"
+            },
+            "agentsMemory": {
+              "type": "string"
+            }
+          }
+        }
+      },
+      "additionalProperties": false
+    },
+    "env": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "envVar": {
+            "type": "string"
+          },
+          "nodeFilters": {  
+            "$ref": "#/definitions/nodeFilters"
+          }
+        },
+        "additionalProperties": false
+      }
+    },
+    "registries": {
+      "type": "object"
+    }
+  },
+  "additionalProperties": false,
+  "definitions": {
+    "nodeFilters": {  
+      "type": "array",
+      "items": {
+        "type": "string"
+      },
+      "examples": [
+        "loadbalancer",
+        "server[*]",
+        "server[0]",
+        "agent[1]",
+        "all"
+      ]
+    }
+  }
+}
\ No newline at end of file
diff --git a/pkg/config/v1alpha3/types.go b/pkg/config/v1alpha3/types.go
new file mode 100644
index 00000000..22465c71
--- /dev/null
+++ b/pkg/config/v1alpha3/types.go
@@ -0,0 +1,203 @@
+/*
+Copyright © 2020 The k3d Author(s)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package v1alpha3
+
+import (
+	_ "embed"
+	"fmt"
+	"strings"
+	"time"
+
+	config "github.com/rancher/k3d/v4/pkg/config/types"
+	k3d "github.com/rancher/k3d/v4/pkg/types"
+	"github.com/rancher/k3d/v4/version"
+)
+
+const ApiVersion = "k3d.io/v1alpha3"
+
+// JSONSchema describes the schema used to validate config files
+//go:embed schema.json
+var JSONSchema string
+
+// DefaultConfigTpl for printing
+const DefaultConfigTpl = `---
+apiVersion: k3d.io/v1alpha3
+kind: Simple
+name: %s
+servers: 1
+agents: 0
+image: %s
+`
+
+// DefaultConfig templated DefaultConfigTpl
+var DefaultConfig = fmt.Sprintf(
+	DefaultConfigTpl,
+	k3d.DefaultClusterName,
+	fmt.Sprintf("%s:%s", k3d.DefaultK3sImageRepo, version.GetK3sVersion(false)),
+)
+
+type VolumeWithNodeFilters struct {
+	Volume      string   `mapstructure:"volume" yaml:"volume" json:"volume,omitempty"`
+	NodeFilters []string `mapstructure:"nodeFilters" yaml:"nodeFilters" json:"nodeFilters,omitempty"`
+}
+
+type PortWithNodeFilters struct {
+	Port        string   `mapstructure:"port" yaml:"port" json:"port,omitempty"`
+	NodeFilters []string `mapstructure:"nodeFilters" yaml:"nodeFilters" json:"nodeFilters,omitempty"`
+}
+
+type LabelWithNodeFilters struct {
+	Label       string   `mapstructure:"label" yaml:"label" json:"label,omitempty"`
+	NodeFilters []string `mapstructure:"nodeFilters" yaml:"nodeFilters" json:"nodeFilters,omitempty"`
+}
+
+type EnvVarWithNodeFilters struct {
+	EnvVar      string   `mapstructure:"envVar" yaml:"envVar" json:"envVar,omitempty"`
+	NodeFilters []string `mapstructure:"nodeFilters" yaml:"nodeFilters" json:"nodeFilters,omitempty"`
+}
+
+type K3sArgWithNodeFilters struct {
+	Arg         string   `mapstructure:"arg" yaml:"arg" json:"arg,omitempty"`
+	NodeFilters []string `mapstructure:"nodeFilters" yaml:"nodeFilters" json:"nodeFilters,omitempty"`
+}
+
+// SimpleConfigOptionsKubeconfig describes the set of options referring to the kubeconfig during cluster creation.
+type SimpleConfigOptionsKubeconfig struct {
+	UpdateDefaultKubeconfig bool `mapstructure:"updateDefaultKubeconfig" yaml:"updateDefaultKubeconfig" json:"updateDefaultKubeconfig,omitempty"` // default: true
+	SwitchCurrentContext    bool `mapstructure:"switchCurrentContext" yaml:"switchCurrentContext" json:"switchCurrentContext,omitempty"`          //nolint:lll    // default: true
+}
+
+type SimpleConfigOptions struct {
+	K3dOptions        SimpleConfigOptionsK3d        `mapstructure:"k3d" yaml:"k3d"`
+	K3sOptions        SimpleConfigOptionsK3s        `mapstructure:"k3s" yaml:"k3s"`
+	KubeconfigOptions SimpleConfigOptionsKubeconfig `mapstructure:"kubeconfig" yaml:"kubeconfig"`
+	Runtime           SimpleConfigOptionsRuntime    `mapstructure:"runtime" yaml:"runtime"`
+}
+
+type SimpleConfigOptionsRuntime struct {
+	GPURequest    string `mapstructure:"gpuRequest" yaml:"gpuRequest"`
+	ServersMemory string `mapstructure:"serversMemory" yaml:"serversMemory"`
+	AgentsMemory  string `mapstructure:"agentsMemory" yaml:"agentsMemory"`
+}
+
+type SimpleConfigOptionsK3d struct {
+	Wait                       bool                 `mapstructure:"wait" yaml:"wait"`
+	Timeout                    time.Duration        `mapstructure:"timeout" yaml:"timeout"`
+	DisableLoadbalancer        bool                 `mapstructure:"disableLoadbalancer" yaml:"disableLoadbalancer"`
+	DisableImageVolume         bool                 `mapstructure:"disableImageVolume" yaml:"disableImageVolume"`
+	NoRollback                 bool                 `mapstructure:"disableRollback" yaml:"disableRollback"`
+	PrepDisableHostIPInjection bool                 `mapstructure:"disableHostIPInjection" yaml:"disableHostIPInjection"`
+	NodeHookActions            []k3d.NodeHookAction `mapstructure:"nodeHookActions" yaml:"nodeHookActions,omitempty"`
+}
+
+type SimpleConfigOptionsK3s struct {
+	ExtraArgs []K3sArgWithNodeFilters `mapstructure:"extraArgs" yaml:"extraArgs"`
+}
+
+// SimpleConfig describes the toplevel k3d configuration file.
+type SimpleConfig struct {
+	config.TypeMeta `mapstructure:",squash" yaml:",inline"`
+	Name            string                  `mapstructure:"name" yaml:"name" json:"name,omitempty"`
+	Servers         int                     `mapstructure:"servers" yaml:"servers" json:"servers,omitempty"` //nolint:lll    // default 1
+	Agents          int                     `mapstructure:"agents" yaml:"agents" json:"agents,omitempty"`    //nolint:lll    // default 0
+	ExposeAPI       SimpleExposureOpts      `mapstructure:"kubeAPI" yaml:"kubeAPI" json:"kubeAPI,omitempty"`
+	Image           string                  `mapstructure:"image" yaml:"image" json:"image,omitempty"`
+	Network         string                  `mapstructure:"network" yaml:"network" json:"network,omitempty"`
+	Subnet          string                  `mapstructure:"subnet" yaml:"subnet" json:"subnet,omitempty"`
+	ClusterToken    string                  `mapstructure:"token" yaml:"clusterToken" json:"clusterToken,omitempty"` // default: auto-generated
+	Volumes         []VolumeWithNodeFilters `mapstructure:"volumes" yaml:"volumes" json:"volumes,omitempty"`
+	Ports           []PortWithNodeFilters   `mapstructure:"ports" yaml:"ports" json:"ports,omitempty"`
+	Labels          []LabelWithNodeFilters  `mapstructure:"labels" yaml:"labels" json:"labels,omitempty"`
+	Options         SimpleConfigOptions     `mapstructure:"options" yaml:"options" json:"options,omitempty"`
+	Env             []EnvVarWithNodeFilters `mapstructure:"env" yaml:"env" json:"env,omitempty"`
+	Registries      struct {
+		Use    []string `mapstructure:"use" yaml:"use,omitempty" json:"use,omitempty"`
+		Create bool     `mapstructure:"create" yaml:"create,omitempty" json:"create,omitempty"`
+		Config string   `mapstructure:"config" yaml:"config,omitempty" json:"config,omitempty"` // registries.yaml (k3s config for containerd registry override)
+	} `mapstructure:"registries" yaml:"registries,omitempty" json:"registries,omitempty"`
+}
+
+// SimpleExposureOpts provides a simplified syntax compared to the original k3d.ExposureOpts
+type SimpleExposureOpts struct {
+	Host     string `mapstructure:"host" yaml:"host,omitempty" json:"host,omitempty"`
+	HostIP   string `mapstructure:"hostIP" yaml:"hostIP,omitempty" json:"hostIP,omitempty"`
+	HostPort string `mapstructure:"hostPort" yaml:"hostPort,omitempty" json:"hostPort,omitempty"`
+}
+
+// GetKind implements Config.GetKind
+func (c SimpleConfig) GetKind() string {
+	return "Simple"
+}
+
+func (c SimpleConfig) GetAPIVersion() string {
+	return ApiVersion
+}
+
+// ClusterConfig describes a single cluster config
+type ClusterConfig struct {
+	config.TypeMeta   `mapstructure:",squash" yaml:",inline"`
+	Cluster           k3d.Cluster                   `mapstructure:",squash" yaml:",inline"`
+	ClusterCreateOpts k3d.ClusterCreateOpts         `mapstructure:"options" yaml:"options"`
+	KubeconfigOpts    SimpleConfigOptionsKubeconfig `mapstructure:"kubeconfig" yaml:"kubeconfig"`
+}
+
+// GetKind implements Config.GetKind
+func (c ClusterConfig) GetKind() string {
+	return "Simple"
+}
+
+func (c ClusterConfig) GetAPIVersion() string {
+	return ApiVersion
+}
+
+// ClusterListConfig describes a list of clusters
+type ClusterListConfig struct {
+	config.TypeMeta `mapstructure:",squash" yaml:",inline"`
+	Clusters        []k3d.Cluster `mapstructure:"clusters" yaml:"clusters"`
+}
+
+func (c ClusterListConfig) GetKind() string {
+	return "Simple"
+}
+
+func (c ClusterListConfig) GetAPIVersion() string {
+	return ApiVersion
+}
+
+func GetConfigByKind(kind string) (config.Config, error) {
+
+	// determine config kind
+	switch strings.ToLower(kind) {
+	case "simple":
+		return SimpleConfig{}, nil
+	case "cluster":
+		return ClusterConfig{}, nil
+	case "clusterlist":
+		return ClusterListConfig{}, nil
+	case "":
+		return nil, fmt.Errorf("missing `kind` in config file")
+	default:
+		return nil, fmt.Errorf("unknown `kind` '%s' in config file", kind)
+	}
+
+}
diff --git a/pkg/config/validate.go b/pkg/config/validate.go
index bb81ba41..c647e4f5 100644
--- a/pkg/config/validate.go
+++ b/pkg/config/validate.go
@@ -27,7 +27,7 @@ import (
 	"time"
 
 	k3dc "github.com/rancher/k3d/v4/pkg/client"
-	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	"github.com/rancher/k3d/v4/pkg/runtimes"
 	runtimeutil "github.com/rancher/k3d/v4/pkg/runtimes/util"
 	k3d "github.com/rancher/k3d/v4/pkg/types"
diff --git a/pkg/config/validate_test.go b/pkg/config/validate_test.go
index 45e736e3..88177808 100644
--- a/pkg/config/validate_test.go
+++ b/pkg/config/validate_test.go
@@ -26,7 +26,7 @@ import (
 	"context"
 	"testing"
 
-	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha2"
+	conf "github.com/rancher/k3d/v4/pkg/config/v1alpha3"
 	"github.com/rancher/k3d/v4/pkg/runtimes"
 	"github.com/spf13/viper"
 )
diff --git a/pkg/types/types.go b/pkg/types/types.go
index 655047ad..e31141ec 100644
--- a/pkg/types/types.go
+++ b/pkg/types/types.go
@@ -184,8 +184,6 @@ type ClusterCreateOpts struct {
 	WaitForServer              bool              `yaml:"waitForServer" json:"waitForServer,omitempty"`
 	Timeout                    time.Duration     `yaml:"timeout" json:"timeout,omitempty"`
 	DisableLoadBalancer        bool              `yaml:"disableLoadbalancer" json:"disableLoadbalancer,omitempty"`
-	K3sServerArgs              []string          `yaml:"k3sServerArgs" json:"k3sServerArgs,omitempty"`
-	K3sAgentArgs               []string          `yaml:"k3sAgentArgs" json:"k3sAgentArgs,omitempty"`
 	GPURequest                 string            `yaml:"gpuRequest" json:"gpuRequest,omitempty"`
 	ServersMemory              string            `yaml:"serversMemory" json:"serversMemory,omitempty"`
 	AgentsMemory               string            `yaml:"agentsMemory" json:"agentsMemory,omitempty"`
diff --git a/tests/assets/config_test_simple.yaml b/tests/assets/config_test_simple.yaml
index 4d9f7255..c1d05e2b 100755
--- a/tests/assets/config_test_simple.yaml
+++ b/tests/assets/config_test_simple.yaml
@@ -1,4 +1,4 @@
-apiVersion: k3d.io/v1alpha2
+apiVersion: k3d.io/v1alpha3
 kind: Simple
 name: test
 servers: 3
@@ -43,9 +43,10 @@ options:
     disableLoadbalancer: false
     disableImageVolume: false
   k3s:
-    extraServerArgs:
-      - --tls-san=127.0.0.1
-    extraAgentArgs: []
+    extraArgs:
+      - arg: --tls-san=127.0.0.1
+        nodeFilters:
+          - server[*]
   kubeconfig:
     updateDefaultKubeconfig: true
     switchCurrentContext: true
\ No newline at end of file
diff --git a/tests/assets/config_test_simple_migration_v1alpha2.yaml b/tests/assets/config_test_simple_migration_v1alpha2.yaml
new file mode 100755
index 00000000..4d9f7255
--- /dev/null
+++ b/tests/assets/config_test_simple_migration_v1alpha2.yaml
@@ -0,0 +1,51 @@
+apiVersion: k3d.io/v1alpha2
+kind: Simple
+name: test
+servers: 3
+agents: 2
+kubeAPI:
+  hostIP: "0.0.0.0"
+  hostPort: "6446"
+image: rancher/k3s:latest
+volumes:
+  - volume: /my/path:/some/path
+    nodeFilters:
+      - all
+ports:
+  - port: 80:80
+    nodeFilters:
+      - loadbalancer
+  - port: 0.0.0.0:443:443
+    nodeFilters:
+      - loadbalancer
+env:
+  - envVar: bar=baz,bob
+    nodeFilters:
+      - all
+labels:
+  - label: foo=bar
+    nodeFilters:
+      - server[0]
+      - loadbalancer
+registries:
+  create: true
+  use: []
+  config: |
+    mirrors:
+      "my.company.registry":
+        endpoint:
+          - http://my.company.registry:5000
+
+options:
+  k3d:
+    wait: true
+    timeout: "360s" # should be pretty high for multi-server clusters to allow for a proper startup routine
+    disableLoadbalancer: false
+    disableImageVolume: false
+  k3s:
+    extraServerArgs:
+      - --tls-san=127.0.0.1
+    extraAgentArgs: []
+  kubeconfig:
+    updateDefaultKubeconfig: true
+    switchCurrentContext: true
\ No newline at end of file
diff --git a/tests/assets/config_test_simple_migration_v1alpha3.yaml b/tests/assets/config_test_simple_migration_v1alpha3.yaml
new file mode 100755
index 00000000..c1d05e2b
--- /dev/null
+++ b/tests/assets/config_test_simple_migration_v1alpha3.yaml
@@ -0,0 +1,52 @@
+apiVersion: k3d.io/v1alpha3
+kind: Simple
+name: test
+servers: 3
+agents: 2
+kubeAPI:
+  hostIP: "0.0.0.0"
+  hostPort: "6446"
+image: rancher/k3s:latest
+volumes:
+  - volume: /my/path:/some/path
+    nodeFilters:
+      - all
+ports:
+  - port: 80:80
+    nodeFilters:
+      - loadbalancer
+  - port: 0.0.0.0:443:443
+    nodeFilters:
+      - loadbalancer
+env:
+  - envVar: bar=baz,bob
+    nodeFilters:
+      - all
+labels:
+  - label: foo=bar
+    nodeFilters:
+      - server[0]
+      - loadbalancer
+registries:
+  create: true
+  use: []
+  config: |
+    mirrors:
+      "my.company.registry":
+        endpoint:
+          - http://my.company.registry:5000
+
+options:
+  k3d:
+    wait: true
+    timeout: "360s" # should be pretty high for multi-server clusters to allow for a proper startup routine
+    disableLoadbalancer: false
+    disableImageVolume: false
+  k3s:
+    extraArgs:
+      - arg: --tls-san=127.0.0.1
+        nodeFilters:
+          - server[*]
+  kubeconfig:
+    updateDefaultKubeconfig: true
+    switchCurrentContext: true
\ No newline at end of file
diff --git a/tests/test_config_file_migration.sh b/tests/test_config_file_migration.sh
new file mode 100755
index 00000000..8f4be093
--- /dev/null
+++ b/tests/test_config_file_migration.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+CURR_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+[ -d "$CURR_DIR" ] || { echo "FATAL: no current dir (maybe running in zsh?)";  exit 1; }
+
+# shellcheck source=./common.sh
+source "$CURR_DIR/common.sh"
+
+
+export CURRENT_STAGE="Test | config-file-migration"
+
+
+
+highlight "[START] ConfigMigrateTest"
+
+tempdir=$(mktemp -d)
+$EXE config migrate "$CURR_DIR/assets/config_test_simple_migration_v1alpha2.yaml" "$tempdir/expected.yaml" || failed "failed on $CURR_DIR/assets/config_test_simple.yaml"
+$EXE config migrate "$CURR_DIR/assets/config_test_simple_migration_v1alpha3.yaml" "$tempdir/actual.yaml" || failed "failed on $CURR_DIR/assets/config_test_simple_migrate.yaml"
+
+diff "$tempdir/actual.yaml" "$tempdir/expected.yaml" || failed "config migration failed" && passed "config migration succeeded"
+
+
+highlight "[DONE] ConfigMigrateTest"
+
+exit 0
+
+