docker-cli/cli/command/node/completion.go
2025-05-19 22:47:14 +02:00

38 lines
1.3 KiB
Go

package node
import (
"os"
"github.com/docker/cli/cli/command/completion"
"github.com/docker/docker/api/types/swarm"
"github.com/spf13/cobra"
)
// completeNodeNames offers completion for swarm node (host)names and optional IDs.
// By default, only names are returned.
// Set DOCKER_COMPLETION_SHOW_NODE_IDS=yes to also complete IDs.
//
// TODO(thaJeztah): add support for filters.
func completeNodeNames(dockerCLI completion.APIClientProvider) cobra.CompletionFunc {
// https://github.com/docker/cli/blob/f9ced58158d5e0b358052432244b483774a1983d/contrib/completion/bash/docker#L41-L43
showIDs := os.Getenv("DOCKER_COMPLETION_SHOW_NODE_IDS") == "yes"
return func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
list, err := dockerCLI.Client().NodeList(cmd.Context(), swarm.NodeListOptions{})
if err != nil {
return nil, cobra.ShellCompDirectiveError
}
names := make([]string, 0, len(list)+1)
for _, node := range list {
if showIDs {
names = append(names, node.Description.Hostname, node.ID)
} else {
names = append(names, node.Description.Hostname)
}
}
// Nodes allow "self" as magic word for the current node.
names = append(names, "self")
return names, cobra.ShellCompDirectiveNoFileComp
}
}