mirror of
https://github.com/containers/podman.git
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46e3b2efb8
* Expose podman container inspect * Expose podman image inspect Signed-off-by: Jhon Honce <jhonce@redhat.com>
100 lines
3.0 KiB
Go
100 lines
3.0 KiB
Go
package main
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import (
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"fmt"
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"log/syslog"
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"os"
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"path"
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"github.com/containers/libpod/cmd/podmanV2/registry"
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"github.com/containers/libpod/pkg/domain/entities"
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"github.com/containers/libpod/version"
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"github.com/sirupsen/logrus"
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logrusSyslog "github.com/sirupsen/logrus/hooks/syslog"
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"github.com/spf13/cobra"
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)
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var (
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rootCmd = &cobra.Command{
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Use: path.Base(os.Args[0]),
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Long: "Manage pods, containers and images",
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SilenceUsage: true,
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SilenceErrors: true,
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TraverseChildren: true,
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PersistentPreRunE: preRunE,
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RunE: registry.SubCommandExists,
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Version: version.Version,
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}
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logLevels = entities.NewStringSet("debug", "info", "warn", "error", "fatal", "panic")
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logLevel = "error"
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useSyslog bool
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)
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func init() {
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// Override default --help information of `--version` global flag}
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var dummyVersion bool
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// TODO had to disable shorthand -v for version due to -v rm with volume
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rootCmd.PersistentFlags().BoolVar(&dummyVersion, "version", false, "Version of Podman")
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rootCmd.PersistentFlags().StringVarP(®istry.EngineOptions.Uri, "remote", "r", "", "URL to access Podman service")
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rootCmd.PersistentFlags().StringSliceVar(®istry.EngineOptions.Identities, "identity", []string{}, "path to SSH identity file")
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rootCmd.PersistentFlags().StringVar(&logLevel, "log-level", "error", fmt.Sprintf("Log messages above specified level (%s)", logLevels.String()))
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rootCmd.PersistentFlags().BoolVar(&useSyslog, "syslog", false, "Output logging information to syslog as well as the console (default false)")
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cobra.OnInitialize(
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logging,
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syslogHook,
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)
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}
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func preRunE(cmd *cobra.Command, args []string) error {
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cmd.SetHelpTemplate(registry.HelpTemplate())
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cmd.SetUsageTemplate(registry.UsageTemplate())
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return nil
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}
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func logging() {
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if !logLevels.Contains(logLevel) {
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fmt.Fprintf(os.Stderr, "Log Level \"%s\" is not supported, choose from: %s\n", logLevel, logLevels.String())
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os.Exit(1)
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}
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level, err := logrus.ParseLevel(logLevel)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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logrus.SetLevel(level)
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if logrus.IsLevelEnabled(logrus.InfoLevel) {
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logrus.Infof("%s filtering at log level %s", os.Args[0], logrus.GetLevel())
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}
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}
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func syslogHook() {
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if useSyslog {
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hook, err := logrusSyslog.NewSyslogHook("", "", syslog.LOG_INFO, "")
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if err != nil {
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logrus.WithError(err).Error("Failed to initialize syslog hook")
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}
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if err == nil {
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logrus.AddHook(hook)
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}
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}
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}
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func Execute() {
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o := registry.NewOptions(rootCmd.Context(), ®istry.EngineOptions)
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if err := rootCmd.ExecuteContext(o); err != nil {
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fmt.Fprintln(os.Stderr, "Error:", err.Error())
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} else if registry.GetExitCode() == registry.ExecErrorCodeGeneric {
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// The exitCode modified from registry.ExecErrorCodeGeneric,
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// indicates an application
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// running inside of a container failed, as opposed to the
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// podman command failed. Must exit with that exit code
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// otherwise command exited correctly.
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registry.SetExitCode(0)
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}
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os.Exit(registry.GetExitCode())
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}
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