73f9eb383b
This fixes an issue where `airshipctl config get-context` would provide no output when there were no contexts in the configuration. Change-Id: I8eaafff8ecee7878f80d22867b0420feba1bf376
106 lines
3.1 KiB
Go
106 lines
3.1 KiB
Go
/*
|
|
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"
|
|
"io"
|
|
|
|
"github.com/spf13/cobra"
|
|
|
|
"opendev.org/airship/airshipctl/pkg/config"
|
|
"opendev.org/airship/airshipctl/pkg/environment"
|
|
)
|
|
|
|
var (
|
|
getContextLong = (`Display a specific context, the current-context or all defined contexts if no name is provided`)
|
|
|
|
getContextExample = fmt.Sprintf(`# List all the contexts airshipctl knows about
|
|
airshipctl config get-context
|
|
|
|
# Display the current context
|
|
airshipctl config get-context --%v
|
|
|
|
# Display a specific Context
|
|
airshipctl config get-context e2e`,
|
|
config.FlagCurrentContext)
|
|
)
|
|
|
|
// A Context refers to a particular cluster, however it does not specify which of the cluster types
|
|
// it relates to. Getting explicit information about a particular context will depend
|
|
// on the ClusterType flag.
|
|
|
|
// NewCmdConfigGetContext returns a Command instance for 'config -Context' sub command
|
|
func NewCmdConfigGetContext(rootSettings *environment.AirshipCTLSettings) *cobra.Command {
|
|
theContext := &config.ContextOptions{}
|
|
getcontextcmd := &cobra.Command{
|
|
Use: "get-context NAME",
|
|
Short: getContextLong,
|
|
Example: getContextExample,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
if len(args) == 1 {
|
|
theContext.Name = args[0]
|
|
}
|
|
return runGetContext(theContext, cmd.OutOrStdout(), rootSettings.Config())
|
|
},
|
|
}
|
|
|
|
gctxInitFlags(theContext, getcontextcmd)
|
|
|
|
return getcontextcmd
|
|
}
|
|
|
|
func gctxInitFlags(o *config.ContextOptions, getcontextcmd *cobra.Command) {
|
|
getcontextcmd.Flags().BoolVar(&o.CurrentContext, config.FlagCurrentContext, false,
|
|
config.FlagCurrentContext+" to retrieve the current context entry in airshipctl config")
|
|
}
|
|
|
|
// runGetContext performs the execution of 'config get-Context' sub command
|
|
func runGetContext(o *config.ContextOptions, out io.Writer, airconfig *config.Config) error {
|
|
if o.Name == "" && !o.CurrentContext {
|
|
return getContexts(out, airconfig)
|
|
}
|
|
return getContext(o, out, airconfig)
|
|
}
|
|
|
|
func getContext(o *config.ContextOptions, out io.Writer, airconfig *config.Config) error {
|
|
cName := o.Name
|
|
if o.CurrentContext {
|
|
cName = airconfig.CurrentContext
|
|
}
|
|
context, err := airconfig.GetContext(cName)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
fmt.Fprintf(out, "%s", context.PrettyString())
|
|
return nil
|
|
}
|
|
|
|
func getContexts(out io.Writer, airconfig *config.Config) error {
|
|
contexts, err := airconfig.GetContexts()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(contexts) == 0 {
|
|
fmt.Fprintln(out, "No Contexts found in the configuration.")
|
|
}
|
|
for _, context := range contexts {
|
|
fmt.Fprintf(out, "%s", context.PrettyString())
|
|
}
|
|
return nil
|
|
}
|