add subcommands

cmd/create/create.go

@@ -19,7 +19,7 @@ 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 cmd
+package create
 
 import (
 	log "github.com/sirupsen/logrus"
@@ -27,26 +27,22 @@ import (
 	"github.com/spf13/cobra"
 )
 
-// createCmd represents the create command
-var createCmd = &cobra.Command{
-	Use:   "create",
-	Short: "Create a resource.",
-	Long:  `Create a resource.`,
-	Run: func(cmd *cobra.Command, args []string) {
-		log.Debugln("create called")
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(createCmd)
+// NewCmdCreate returns a new cobra command
+func NewCmdCreate() *cobra.Command {
 
-	// Here you will define your flags and configuration settings.
+	// create new cobra command
+	cmd := &cobra.Command{
+		Use:   "create",
+		Short: "Create a resource.",
+		Long:  `Create a resource.`,
+		Run: func(cmd *cobra.Command, args []string) {
+			log.Debugln("create called")
+		},
+	}
 
-	// Cobra supports Persistent Flags which will work for this command
-	// and all subcommands, e.g.:
-	// createCmd.PersistentFlags().String("foo", "", "A help for foo")
+	// add subcommands
+	cmd.AddCommand(NewCmdCreateCluster())
 
-	// Cobra supports local flags which will only run when this command
-	// is called directly, e.g.:
-	// createCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+	// done
+	return cmd
 }

cmd/create/createCluster.go

@@ -0,0 +1,47 @@
+/*
+Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com>
+
+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 create
+
+import (
+	"github.com/spf13/cobra"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// NewCmdCreateCluster returns a new cobra command
+func NewCmdCreateCluster() *cobra.Command {
+
+	// create new command
+	cmd := &cobra.Command{
+		Use:   "cluster",
+		Short: "Create a new k3s cluster in docker",
+		Long:  `Create a new k3s cluster with containerized nodes (k3s in docker).`,
+		Run: func(cmd *cobra.Command, args []string) {
+			log.Debugln("create cluster called")
+		},
+	}
+
+	// add subcommands
+
+	// done
+	return cmd
+}

cmd/create/createNode.go

@@ -0,0 +1,45 @@
+/*
+Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com>
+
+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 create
+
+import (
+	"github.com/spf13/cobra"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// NewCmdCreateNode returns a new cobra command
+func NewCmdCreateNode() *cobra.Command {
+
+	// create new command
+	cmd := &cobra.Command{
+		Use:   "node",
+		Short: "Create a new k3s node in docker",
+		Long:  `Create a new containerized k3s node (k3s in docker).`,
+		Run: func(cmd *cobra.Command, args []string) {
+			log.Debugln("create node called")
+		},
+	}
+
+	// done
+	return cmd
+}

cmd/delete/delete.go

@@ -19,7 +19,7 @@ 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 cmd
+package delete
 
 import (
 	log "github.com/sirupsen/logrus"
@@ -27,31 +27,23 @@ import (
 	"github.com/spf13/cobra"
 )
 
-// deleteCmd represents the delete command
-var deleteCmd = &cobra.Command{
-	Use:   "delete",
-	Short: "A brief description of your command",
-	Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
-	Run: func(cmd *cobra.Command, args []string) {
-		log.Debugln("delete called")
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(deleteCmd)
-
-	// Here you will define your flags and configuration settings.
-
-	// Cobra supports Persistent Flags which will work for this command
-	// and all subcommands, e.g.:
-	// deleteCmd.PersistentFlags().String("foo", "", "A help for foo")
-
-	// Cobra supports local flags which will only run when this command
-	// is called directly, e.g.:
-	// deleteCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+// NewCmdDelete returns a new cobra command
+func NewCmdDelete() *cobra.Command {
+
+	// create new cobra command
+	cmd := &cobra.Command{
+		Use:   "delete",
+		Short: "Delete a resource.",
+		Long:  `Delete a resource.`,
+		Run: func(cmd *cobra.Command, args []string) {
+			log.Debugln("delete called")
+		},
+	}
+
+	// add subcommands
+	cmd.AddCommand(NewCmdDeleteCluster())
+	cmd.AddCommand(NewCmdDeleteNode())
+
+	// done
+	return cmd
 }

cmd/delete/deleteCluster.go

@@ -0,0 +1,47 @@
+/*
+Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com>
+
+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 delete
+
+import (
+	log "github.com/sirupsen/logrus"
+
+	"github.com/spf13/cobra"
+)
+
+// NewCmdDeleteCluster returns a new cobra command
+func NewCmdDeleteCluster() *cobra.Command {
+
+	// create new cobra command
+	cmd := &cobra.Command{
+		Use:   "cluster",
+		Short: "Delete a cluster.",
+		Long:  `Delete a cluster.`,
+		Run: func(cmd *cobra.Command, args []string) {
+			log.Debugln("delete cluster called")
+		},
+	}
+
+	// add subcommands
+
+	// done
+	return cmd
+}

cmd/delete/deleteNode.go

@@ -0,0 +1,47 @@
+/*
+Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com>
+
+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 delete
+
+import (
+	log "github.com/sirupsen/logrus"
+
+	"github.com/spf13/cobra"
+)
+
+// NewCmdDeleteNode returns a new cobra command
+func NewCmdDeleteNode() *cobra.Command {
+
+	// create new cobra command
+	cmd := &cobra.Command{
+		Use:   "node",
+		Short: "Delete a node.",
+		Long:  `Delete a node.`,
+		Run: func(cmd *cobra.Command, args []string) {
+			log.Debugln("delete node called")
+		},
+	}
+
+	// add subcommands
+
+	// done
+	return cmd
+}

cmd/get/get.go

@@ -19,7 +19,7 @@ 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 cmd
+package delete
 
 import (
 	log "github.com/sirupsen/logrus"
@@ -27,31 +27,24 @@ import (
 	"github.com/spf13/cobra"
 )
 
-// getCmd represents the get command
-var getCmd = &cobra.Command{
-	Use:   "get",
-	Short: "A brief description of your command",
-	Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
-	Run: func(cmd *cobra.Command, args []string) {
-		log.Debugln("get called")
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(getCmd)
-
-	// Here you will define your flags and configuration settings.
-
-	// Cobra supports Persistent Flags which will work for this command
-	// and all subcommands, e.g.:
-	// getCmd.PersistentFlags().String("foo", "", "A help for foo")
-
-	// Cobra supports local flags which will only run when this command
-	// is called directly, e.g.:
-	// getCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+// NewCmdGet returns a new cobra command
+func NewCmdGet() *cobra.Command {
+
+	// create new cobra command
+	cmd := &cobra.Command{
+		Use:   "get",
+		Short: "Get a resource.",
+		Long:  `Get a resource.`,
+		Run: func(cmd *cobra.Command, args []string) {
+			log.Debugln("get called")
+		},
+	}
+
+	// add subcommands
+	cmd.AddCommand(NewCmdGetCluster())
+	cmd.AddCommand(NewCmdGetNode())
+	cmd.AddCommand(NewCmdGetKubeconfig())
+
+	// done
+	return cmd
 }

cmd/get/getCluster.go

@@ -0,0 +1,47 @@
+/*
+Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com>
+
+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 get
+
+import (
+	"github.com/spf13/cobra"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// NewCmdGetCluster returns a new cobra command
+func NewCmdGetCluster() *cobra.Command {
+
+	// create new command
+	cmd := &cobra.Command{
+		Use:   "cluster",
+		Short: "Get cluster",
+		Long:  `Get cluster.`,
+		Run: func(cmd *cobra.Command, args []string) {
+			log.Debugln("get cluster called")
+		},
+	}
+
+	// add subcommands
+
+	// done
+	return cmd
+}

cmd/get/getKubeconfig.go

@@ -0,0 +1,47 @@
+/*
+Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com>
+
+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 get
+
+import (
+	"github.com/spf13/cobra"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// NewCmdGetKubeconfig returns a new cobra command
+func NewCmdGetKubeconfig() *cobra.Command {
+
+	// create new command
+	cmd := &cobra.Command{
+		Use:   "kubeconfig",
+		Short: "Get kubeconfig",
+		Long:  `Get kubeconfig.`,
+		Run: func(cmd *cobra.Command, args []string) {
+			log.Debugln("get kubeconfig called")
+		},
+	}
+
+	// add subcommands
+
+	// done
+	return cmd
+}

cmd/get/getNode.go

@@ -0,0 +1,47 @@
+/*
+Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com>
+
+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 get
+
+import (
+	"github.com/spf13/cobra"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// NewCmdGetNode returns a new cobra command
+func NewCmdGetNode() *cobra.Command {
+
+	// create new command
+	cmd := &cobra.Command{
+		Use:   "node",
+		Short: "Get node",
+		Long:  `Get node.`,
+		Run: func(cmd *cobra.Command, args []string) {
+			log.Debugln("get node called")
+		},
+	}
+
+	// add subcommands
+
+	// done
+	return cmd
+}

cmd/root.go

@@ -26,6 +26,10 @@ import (
 	"strings"
 
 	"github.com/spf13/cobra"
+	"github.com/rancher/k3d/cmd/get"
+
+	"github.com/rancher/k3d/cmd/create"
+	"github.com/rancher/k3d/cmd/delete"
 
 	homedir "github.com/mitchellh/go-homedir"
 	"github.com/spf13/viper"
@@ -68,6 +72,11 @@ func init() {
 	// Cobra also supports local flags, which will only run
 	// when this action is called directly.
 	// rootCmd.Flags().BoolP("nope", "n", false, "nope description")
+
+	// add subcommands
+	rootCmd.AddCommand(create.NewCmdCreate())
+	rootCmd.AddCommand(delete.NewCmdDelete())
+	rootCmd.AddCommand(get.NewCmdGet())
 }
 
 // initConfig reads in config file and ENV variables if set.

internal/types.go

@@ -0,0 +1,20 @@
+package types
+
+// Cluster describes a k3d cluster
+type Cluster struct {
+	Name    string
+	Network string
+	Nodes   []Node
+}
+
+// Node describes a k3d node
+type Node struct {
+	Name    string
+	Role    string
+	Image   string
+	Volumes []string
+	Env     []string
+	Args    []string
+	Ports   []string
+	Restart bool
+}