diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/podman/auto-update.go | 97 |
1 files changed, 91 insertions, 6 deletions
diff --git a/cmd/podman/auto-update.go b/cmd/podman/auto-update.go index 99226790f..6ccf4e167 100644 --- a/cmd/podman/auto-update.go +++ b/cmd/podman/auto-update.go @@ -1,10 +1,15 @@ package main import ( + "encoding/json" "fmt" + "os" + "strings" "github.com/containers/common/pkg/auth" "github.com/containers/common/pkg/completion" + "github.com/containers/common/pkg/report" + "github.com/containers/podman/v3/cmd/podman/common" "github.com/containers/podman/v3/cmd/podman/registry" "github.com/containers/podman/v3/pkg/domain/entities" "github.com/containers/podman/v3/pkg/errorhandling" @@ -12,8 +17,13 @@ import ( "github.com/spf13/cobra" ) +type cliAutoUpdateOptions struct { + entities.AutoUpdateOptions + format string +} + var ( - autoUpdateOptions = entities.AutoUpdateOptions{} + autoUpdateOptions = cliAutoUpdateOptions{} autoUpdateDescription = `Auto update containers according to their auto-update policy. Auto-update policies are specified with the "io.containers.autoupdate" label. @@ -42,6 +52,9 @@ func init() { authfileFlagName := "authfile" flags.StringVar(&autoUpdateOptions.Authfile, authfileFlagName, auth.GetDefaultAuthFile(), "Path to the authentication file. Use REGISTRY_AUTH_FILE environment variable to override") _ = autoUpdateCommand.RegisterFlagCompletionFunc(authfileFlagName, completion.AutocompleteDefault) + + flags.StringVar(&autoUpdateOptions.format, "format", "", "Change the output format to JSON or a Go template") + _ = autoUpdateCommand.RegisterFlagCompletionFunc("format", common.AutocompleteFormat(autoUpdateOutput{})) } func autoUpdate(cmd *cobra.Command, args []string) error { @@ -49,11 +62,83 @@ func autoUpdate(cmd *cobra.Command, args []string) error { // Backwards compat. System tests expect this error string. return errors.Errorf("`%s` takes no arguments", cmd.CommandPath()) } - report, failures := registry.ContainerEngine().AutoUpdate(registry.GetContext(), autoUpdateOptions) - if report != nil { - for _, unit := range report.Units { - fmt.Println(unit) - } + + allReports, failures := registry.ContainerEngine().AutoUpdate(registry.GetContext(), autoUpdateOptions.AutoUpdateOptions) + if allReports == nil { + return errorhandling.JoinErrors(failures) + } + + if err := writeTemplate(allReports, autoUpdateOptions.format); err != nil { + failures = append(failures, err) } + return errorhandling.JoinErrors(failures) } + +type autoUpdateOutput struct { + Unit string + Container string + ContainerName string + ContainerID string + Image string + Policy string + Updated string +} + +func reportsToOutput(allReports []*entities.AutoUpdateReport) []autoUpdateOutput { + output := make([]autoUpdateOutput, len(allReports)) + for i, r := range allReports { + output[i] = autoUpdateOutput{ + Unit: r.SystemdUnit, + Container: fmt.Sprintf("%s (%s)", r.ContainerID[:12], r.ContainerName), + ContainerName: r.ContainerName, + ContainerID: r.ContainerID, + Image: r.ImageName, + Policy: r.Policy, + Updated: r.Updated, + } + } + return output +} + +func writeTemplate(allReports []*entities.AutoUpdateReport, inputFormat string) error { + var format string + var printHeader bool + + output := reportsToOutput(allReports) + switch inputFormat { + case "": + rows := []string{"{{.Unit}}", "{{.Container}}", "{{.Image}}", "{{.Policy}}", "{{.Updated}}"} + format = "{{range . }}" + strings.Join(rows, "\t") + "\n{{end -}}" + printHeader = true + case "json": + prettyJSON, err := json.MarshalIndent(output, "", " ") + if err != nil { + return err + } + fmt.Println(string(prettyJSON)) + return nil + default: + format = "{{range . }}" + inputFormat + "\n{{end -}}" + } + + tmpl, err := report.NewTemplate("auto-update").Parse(format) + if err != nil { + return err + } + + w, err := report.NewWriterDefault(os.Stdout) + if err != nil { + return err + } + defer w.Flush() + + if printHeader { + headers := report.Headers(autoUpdateOutput{}, nil) + if err := tmpl.Execute(w, headers); err != nil { + return err + } + } + + return tmpl.Execute(w, output) +} |