From 9d31fed5f75186f618e95ab7492ef6bc2b511d5f Mon Sep 17 00:00:00 2001 From: Paul Holzinger Date: Tue, 19 Jan 2021 23:03:51 +0100 Subject: podman volume exists Add podman volume exists command with remote support. Signed-off-by: Paul Holzinger --- cmd/podman/volumes/exists.go | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 cmd/podman/volumes/exists.go (limited to 'cmd/podman') diff --git a/cmd/podman/volumes/exists.go b/cmd/podman/volumes/exists.go new file mode 100644 index 000000000..71cd117ae --- /dev/null +++ b/cmd/podman/volumes/exists.go @@ -0,0 +1,40 @@ +package volumes + +import ( + "github.com/containers/podman/v2/cmd/podman/common" + "github.com/containers/podman/v2/cmd/podman/registry" + "github.com/containers/podman/v2/pkg/domain/entities" + "github.com/spf13/cobra" +) + +var ( + volumeExistsDescription = `If the given volume exists, podman volume exists exits with 0, otherwise the exit code will be 1.` + volumeExistsCommand = &cobra.Command{ + Use: "exists VOLUME", + Short: "volume exists", + Long: volumeExistsDescription, + RunE: volumeExists, + Example: `podman volume exists myvol`, + Args: cobra.ExactArgs(1), + ValidArgsFunction: common.AutocompleteVolumes, + } +) + +func init() { + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, + Command: volumeExistsCommand, + Parent: volumeCmd, + }) +} + +func volumeExists(cmd *cobra.Command, args []string) error { + response, err := registry.ContainerEngine().VolumeExists(registry.GetContext(), args[0]) + if err != nil { + return err + } + if !response.Value { + registry.SetExitCode(1) + } + return nil +} -- cgit v1.2.3-54-g00ecf