airshipctl/cmd/root.go
Sirisha Gopigiri ed0fee91b1 Generate user guide command links
This PS adds docs.airshipit.org link to long description
of the airshipctl root command output. The implementation
is done in-line with kubectl command.
https://github.com/kubernetes/kubectl/blob/master/pkg/cmd/cmd.go#L479

Closes: #281
Change-Id: Id65c53a72a840221c47677bacf9651f9430da276
2021-05-14 17:35:21 +05:30

104 lines
3.4 KiB
Go

/*
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
https://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 cmd
import (
"io"
"path/filepath"
"github.com/spf13/cobra"
// Import to initialize client auth plugins.
_ "k8s.io/client-go/plugin/pkg/client/auth"
"opendev.org/airship/airshipctl/cmd/baremetal"
"opendev.org/airship/airshipctl/cmd/cluster"
"opendev.org/airship/airshipctl/cmd/completion"
"opendev.org/airship/airshipctl/cmd/config"
"opendev.org/airship/airshipctl/cmd/document"
"opendev.org/airship/airshipctl/cmd/phase"
"opendev.org/airship/airshipctl/cmd/plan"
"opendev.org/airship/airshipctl/cmd/secret"
cfg "opendev.org/airship/airshipctl/pkg/config"
"opendev.org/airship/airshipctl/pkg/log"
)
const longRoot = `A unified entrypoint to various airship components
Find more information at: https://docs.airshipit.org/airshipctl/
`
// RootOptions stores global flags values
type RootOptions struct {
Debug bool
AirshipConfigPath string
}
// NewAirshipCTLCommand creates a root `airshipctl` command with the default commands attached
func NewAirshipCTLCommand(out io.Writer) *cobra.Command {
rootCmd, settings := NewRootCommand(out)
return AddDefaultAirshipCTLCommands(rootCmd,
cfg.CreateFactory(&settings.AirshipConfigPath))
}
// NewRootCommand creates the root `airshipctl` command. All other commands are
// subcommands branching from this one
func NewRootCommand(out io.Writer) (*cobra.Command, *RootOptions) {
options := &RootOptions{}
rootCmd := &cobra.Command{
Use: "airshipctl",
Short: "A unified entrypoint to various airship components",
Long: longRoot,
SilenceErrors: true,
SilenceUsage: true,
PersistentPreRun: func(cmd *cobra.Command, args []string) {
log.Init(options.Debug, cmd.ErrOrStderr())
},
}
rootCmd.SetOut(out)
initFlags(options, rootCmd)
return rootCmd, options
}
// AddDefaultAirshipCTLCommands is a convenience function for adding all of the
// default commands to airshipctl
func AddDefaultAirshipCTLCommands(cmd *cobra.Command, factory cfg.Factory) *cobra.Command {
cmd.AddCommand(baremetal.NewBaremetalCommand(factory))
cmd.AddCommand(cluster.NewClusterCommand(factory))
cmd.AddCommand(completion.NewCompletionCommand())
cmd.AddCommand(document.NewDocumentCommand(factory))
cmd.AddCommand(config.NewConfigCommand(factory))
cmd.AddCommand(secret.NewSecretCommand())
cmd.AddCommand(phase.NewPhaseCommand(factory))
cmd.AddCommand(plan.NewPlanCommand(factory))
cmd.AddCommand(NewVersionCommand())
return cmd
}
func initFlags(options *RootOptions, cmd *cobra.Command) {
flags := cmd.PersistentFlags()
flags.BoolVar(&options.Debug, "debug", false, "enable verbose output")
defaultAirshipConfigDir := filepath.Join(cfg.HomeEnvVar, cfg.AirshipConfigDir)
defaultAirshipConfigPath := filepath.Join(defaultAirshipConfigDir, cfg.AirshipConfig)
flags.StringVar(
&options.AirshipConfigPath,
"airshipconf",
"",
`Path to file for airshipctl configuration. (default "`+defaultAirshipConfigPath+`")`)
}