mirror of https://github.com/k3d-io/k3d
Add new command verb `k3stoken` to `k3d get` Populate cluster secret field Add test for `k3d get k3stoken` command Externalize validable flag `--all`, in anticipation to reuse into `getKubeConfig.go`pull/257/head
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/* |
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Copyright © 2020 The k3d Author(s) |
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|
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Permission is hereby granted, free of charge, to any person obtaining a copy |
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of this software and associated documentation files (the "Software"), to deal |
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in the Software without restriction, including without limitation the rights |
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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copies of the Software, and to permit persons to whom the Software is |
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furnished to do so, subject to the following conditions: |
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|
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The above copyright notice and this permission notice shall be included in |
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all copies or substantial portions of the Software. |
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|
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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THE SOFTWARE. |
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*/ |
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package get |
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import ( |
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"fmt" |
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"os" |
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"sort" |
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"strings" |
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"github.com/liggitt/tabwriter" |
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cliutil "github.com/rancher/k3d/cmd/util" |
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"github.com/rancher/k3d/pkg/cluster" |
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"github.com/rancher/k3d/pkg/runtimes" |
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k3d "github.com/rancher/k3d/pkg/types" |
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log "github.com/sirupsen/logrus" |
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"github.com/spf13/cobra" |
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) |
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type clusterTokenFlags struct { |
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validableFlags cliutil.ValidableFlags |
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noHeader bool |
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} |
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// NewCmdGetClusterToken returns a new cobra command
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func NewCmdGetClusterToken() *cobra.Command { |
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getClusterTokenFlags := clusterTokenFlags{} |
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// create new command
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cmd := &cobra.Command{ |
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Use: "k3stoken [CLUSTER [CLUSTER [...]] | --all]", |
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Short: "Get cluster token", |
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Long: `Get k3s cluster token.`, |
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Args: func(cmd *cobra.Command, args []string) error { |
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return cliutil.ValidateClusterNameOrAllFlag(args, getClusterTokenFlags.validableFlags) |
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}, |
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Run: func(cmd *cobra.Command, args []string) { |
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var clusters []*k3d.Cluster |
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var err error |
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// generate list of clusters
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if getClusterTokenFlags.validableFlags.All { |
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clusters, err = cluster.GetClusters(runtimes.SelectedRuntime) |
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if err != nil { |
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log.Fatalln(err) |
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} |
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} else { |
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for _, clusterName := range args { |
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retrievedCluster, err := cluster.GetCluster(&k3d.Cluster{Name: clusterName}, runtimes.SelectedRuntime) |
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if err != nil { |
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log.Fatalln(err) |
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} |
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clusters = append(clusters, retrievedCluster) |
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} |
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} |
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// pretty print secret
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printSecret(clusters, getClusterTokenFlags.noHeader) |
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}, |
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} |
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// add flags
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cmd.Flags().BoolVarP(&getClusterTokenFlags.validableFlags.All, "all", "a", false, "Get k3s token from all existing clusters") |
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cmd.Flags().BoolVar(&getClusterTokenFlags.noHeader, "no-headers", false, "Disable headers") |
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// done
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return cmd |
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} |
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func printSecret(clusters []*k3d.Cluster, headersOff bool) { |
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tabwriter := tabwriter.NewWriter(os.Stdout, 6, 4, 3, ' ', tabwriter.RememberWidths) |
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defer tabwriter.Flush() |
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if !headersOff { |
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headers := []string{"CLUSTER", "SECRET"} |
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_, err := fmt.Fprintf(tabwriter, "%s\n", strings.Join(headers, "\t")) |
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if err != nil { |
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log.Fatalln("Failed to print headers") |
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} |
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} |
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// alphabetical sort by cluster name
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sort.Slice(clusters, func(i, j int) bool { |
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return clusters[i].Name < clusters[j].Name |
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}) |
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for _, cluster := range clusters { |
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fmt.Fprintf(tabwriter, "%s\t%s\n", cluster.Name, string(cluster.Secret)) |
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} |
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} |
@ -0,0 +1,44 @@ |
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/* |
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Copyright © 2020 The k3d Author(s) |
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|
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Permission is hereby granted, free of charge, to any person obtaining a copy |
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of this software and associated documentation files (the "Software"), to deal |
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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: |
||||
|
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The above copyright notice and this permission notice shall be included in |
||||
all copies or substantial portions of the Software. |
||||
|
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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, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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THE SOFTWARE. |
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*/ |
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package util |
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import ( |
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"fmt" |
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) |
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// struct describe flags which could be validate thanks to this file's functions
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type ValidableFlags struct { |
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All bool |
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} |
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// ValidateClusterNameOrAllFlag checks, if cluster name or --all arg is set
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func ValidateClusterNameOrAllFlag(args []string, flagStruct ValidableFlags) error { |
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clusterNamePresent := len(args) > 0 |
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getAllFlagPresent := flagStruct.All |
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// xor : provide cluster name or all flags
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if clusterNamePresent != getAllFlagPresent { |
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return nil |
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} |
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return fmt.Errorf("Need to specify one or more cluster names *or* set `--all` flag") |
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} |
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