70f49926ba
* This also makes some minor newline changes to output. * This also changes the behavior of nil objects to compare equal to other nil objects. This follows the pattern of builtin Go types. Change-Id: I10d99bbd5251db594a302ca65cd21917804d6a20
118 lines
3.2 KiB
Go
118 lines
3.2 KiB
Go
/*l
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package config
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import (
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"fmt"
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"io"
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"github.com/spf13/cobra"
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"opendev.org/airship/airshipctl/pkg/config"
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"opendev.org/airship/airshipctl/pkg/environment"
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"opendev.org/airship/airshipctl/pkg/log"
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)
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var (
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getClusterLong = (`
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Gets a specific cluster or all defined clusters if no name is provided`)
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getClusterExample = fmt.Sprintf(`
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# List all the clusters airshipctl knows about
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airshipctl config get-cluster
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# Display a specific cluster
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airshipctl config get-cluster e2e --%v=ephemeral`, config.FlagClusterType)
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)
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// NewCmdConfigGetCluster returns a Command instance for 'config -Cluster' sub command
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func NewCmdConfigGetCluster(rootSettings *environment.AirshipCTLSettings) *cobra.Command {
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theCluster := &config.ClusterOptions{}
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getclustercmd := &cobra.Command{
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Use: "get-cluster NAME",
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Short: "Display a specific cluster",
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Long: getClusterLong,
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Example: getClusterExample,
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Run: func(cmd *cobra.Command, args []string) {
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if len(args) == 1 {
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theCluster.Name = args[0]
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}
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err := runGetCluster(theCluster, cmd.OutOrStdout(), rootSettings)
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if err != nil {
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log.Fatal(err)
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}
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},
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}
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gcInitFlags(theCluster, getclustercmd)
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return getclustercmd
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}
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func gcInitFlags(o *config.ClusterOptions, getclustercmd *cobra.Command) {
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getclustercmd.Flags().StringVar(&o.ClusterType, config.FlagClusterType, "",
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config.FlagClusterType+" for the cluster entry in airshipctl config")
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}
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// runGetCluster performs the execution of 'config get-cluster' sub command
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func runGetCluster(o *config.ClusterOptions, out io.Writer, rootSettings *environment.AirshipCTLSettings) error {
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err := validate(o)
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if err != nil {
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return err
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}
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if o.Name == "" {
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return getClusters(out, rootSettings)
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}
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return getCluster(o.Name, o.ClusterType, out, rootSettings)
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}
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func getCluster(cName, cType string,
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out io.Writer, rootSettings *environment.AirshipCTLSettings) error {
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airconfig := rootSettings.Config()
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cluster, err := airconfig.GetCluster(cName, cType)
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if err != nil {
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return err
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}
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fmt.Fprintf(out, "%s", cluster.PrettyString())
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return nil
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}
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func getClusters(out io.Writer, rootSettings *environment.AirshipCTLSettings) error {
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airconfig := rootSettings.Config()
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clusters, err := airconfig.GetClusters()
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if err != nil {
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return err
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}
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if clusters == nil {
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fmt.Fprint(out, "No clusters found in the configuration.\n")
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}
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for _, cluster := range clusters {
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fmt.Fprintf(out, "%s\n", cluster.PrettyString())
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}
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return nil
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}
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func validate(o *config.ClusterOptions) error {
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// Only an error if asking for a specific cluster
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if len(o.Name) == 0 {
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return nil
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}
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return config.ValidClusterType(o.ClusterType)
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}
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