airshipctl/cmd/config/get_cluster.go
Ian Howell f1591bc347 Add pluralized aliases to config get commands
This changes the `get-credentials` command to `get-credential` to be
uniform with the other config commads. It then adds pluralized aliases
to `get-credential`, `get-cluster`, and `get-context`

Change-Id: Icb5a308f591589f5b68a8ad1c172c3b99ef3a4f1
2020-05-06 14:35:29 -05:00

105 lines
2.7 KiB
Go

/*l
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package config
import (
"fmt"
"github.com/spf13/cobra"
"opendev.org/airship/airshipctl/pkg/config"
"opendev.org/airship/airshipctl/pkg/environment"
)
const (
getClusterLong = `
Display a specific cluster or all defined clusters if no name is provided.
Note that if a specific cluster's name is provided, the --cluster-type flag
must also be provided.
Valid values for the --cluster-type flag are [ephemeral|target].
`
getClusterExample = `
# List all clusters
airshipctl config get-clusters
# Display a specific cluster
airshipctl config get-cluster --cluster-type=ephemeral exampleCluster
`
)
// NewGetClusterCommand creates a command for viewing the cluster information
// defined in the airshipctl config file.
func NewGetClusterCommand(rootSettings *environment.AirshipCTLSettings) *cobra.Command {
o := &config.ClusterOptions{}
cmd := &cobra.Command{
Use: "get-cluster [NAME]",
Short: "Get cluster information from the airshipctl config",
Long: getClusterLong[1:],
Example: getClusterExample,
Aliases: []string{"get-clusters"},
RunE: func(cmd *cobra.Command, args []string) error {
airconfig := rootSettings.Config
if len(args) == 1 {
o.Name = args[0]
err := validate(o)
if err != nil {
return err
}
cluster, err := airconfig.GetCluster(o.Name, o.ClusterType)
if err != nil {
return err
}
fmt.Fprintln(cmd.OutOrStdout(), cluster.PrettyString())
return nil
}
clusters := airconfig.GetClusters()
if len(clusters) == 0 {
fmt.Fprintln(cmd.OutOrStdout(), "No clusters found in the configuration.")
}
for _, cluster := range clusters {
fmt.Fprintln(cmd.OutOrStdout(), cluster.PrettyString())
}
return nil
},
}
addGetClusterFlags(o, cmd)
return cmd
}
func addGetClusterFlags(o *config.ClusterOptions, cmd *cobra.Command) {
flags := cmd.Flags()
flags.StringVar(
&o.ClusterType,
"cluster-type",
"",
"type of the desired cluster")
}
func validate(o *config.ClusterOptions) error {
// Only an error if asking for a specific cluster
if len(o.Name) == 0 {
return nil
}
return config.ValidClusterType(o.ClusterType)
}