mirror of https://github.com/docker/compose.git
109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
/*
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Copyright (c) 2020 Docker Inc.
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use, copy,
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modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED,
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INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM,
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DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH
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THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package context
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import (
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"context"
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"fmt"
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"os"
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"sort"
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"strings"
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"text/tabwriter"
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"github.com/spf13/cobra"
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apicontext "github.com/docker/api/context"
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"github.com/docker/api/context/store"
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)
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func listCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: "list",
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Short: "List available contexts",
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Aliases: []string{"ls"},
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Args: cobra.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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return runList(cmd.Context())
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},
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}
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return cmd
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}
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func runList(ctx context.Context) error {
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currentContext := apicontext.CurrentContext(ctx)
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s := store.ContextStore(ctx)
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contexts, err := s.List()
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if err != nil {
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return err
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}
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sort.Slice(contexts, func(i, j int) bool {
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return strings.Compare(contexts[i].Name, contexts[j].Name) == -1
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})
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w := tabwriter.NewWriter(os.Stdout, 20, 1, 3, ' ', 0)
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fmt.Fprintln(w, "NAME\tTYPE\tDESCRIPTION\tDOCKER ENPOINT\tKUBERNETES ENDPOINT\tORCHESTRATOR")
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format := "%s\t%s\t%s\t%s\t%s\t%s\n"
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for _, c := range contexts {
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contextName := c.Name
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if c.Name == currentContext {
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contextName += " *"
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}
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fmt.Fprintf(w,
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format,
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contextName,
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c.Type,
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c.Metadata.Description,
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getEndpoint("docker", c.Endpoints),
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getEndpoint("kubernetes", c.Endpoints),
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c.Metadata.StackOrchestrator)
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}
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return w.Flush()
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}
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func getEndpoint(name string, meta map[string]interface{}) string {
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endpoints, ok := meta[name]
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if !ok {
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return ""
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}
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data, ok := endpoints.(store.Endpoint)
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if !ok {
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return ""
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}
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result := data.Host
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if data.DefaultNamespace != "" {
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result += fmt.Sprintf(" (%s)", data.DefaultNamespace)
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}
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return result
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}
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