/
list.go
91 lines (84 loc) · 2.38 KB
/
list.go
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// Copyright (c) 2016 by António Meireles <antonio.meireles@reformi.st>.
//
// 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 main
import (
"encoding/json"
"fmt"
"github.com/TheNewNormal/corectl/components/host/session"
"github.com/TheNewNormal/corectl/components/server"
"github.com/TheNewNormal/corectl/components/target/coreos"
"github.com/spf13/cobra"
)
var (
lsCmd = &cobra.Command{
Use: "ls",
Aliases: []string{"list"},
Short: "Lists the CoreOS images available locally",
PreRunE: defaultPreRunE,
RunE: lsCommand,
}
)
func lsCommand(cmd *cobra.Command, args []string) (err error) {
if _, err = server.Daemon.Running(); err != nil {
return session.ErrServerUnreachable
}
reply := &server.RPCreply{}
if reply, err = server.RPCQuery("AvailableImages", &server.RPCquery{}); err != nil {
return
}
local := reply.Images
cli := session.Caller.CmdLine
channels := []string{coreos.Channel(cli.GetString("channel"))}
if cli.GetBool("all") {
channels = coreos.Channels
}
if cli.GetBool("json") {
var pp []byte
if len(channels) == 1 {
if pp, err = json.MarshalIndent(
local[coreos.Channel(cli.GetString("channel"))],
"", " "); err != nil {
return
}
} else {
if pp, err = json.MarshalIndent(local, "", " "); err != nil {
return
}
}
fmt.Println(string(pp))
return
}
fmt.Println("locally available images")
for _, i := range channels {
var header bool
for _, d := range local[i] {
if !header {
fmt.Printf(" - %s channel \n", i)
header = true
}
fmt.Println(" -", d.String())
}
}
return
}
func init() {
lsCmd.Flags().StringP("channel", "c", "alpha", "CoreOS channel")
lsCmd.Flags().BoolP("all", "a", false, "browses all channels")
lsCmd.Flags().BoolP("json", "j", false,
"outputs in JSON for easy 3rd party integration")
if session.AppName() != "corectld" {
rootCmd.AddCommand(lsCmd)
}
}