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Diffstat (limited to 'cmd/podmanV2/root.go')
-rw-r--r--cmd/podmanV2/root.go119
1 files changed, 86 insertions, 33 deletions
diff --git a/cmd/podmanV2/root.go b/cmd/podmanV2/root.go
index 0639257ea..801e728f0 100644
--- a/cmd/podmanV2/root.go
+++ b/cmd/podmanV2/root.go
@@ -1,12 +1,12 @@
package main
import (
- "context"
"fmt"
"log/syslog"
"os"
"path"
"runtime/pprof"
+ "strings"
"github.com/containers/libpod/cmd/podmanV2/registry"
"github.com/containers/libpod/pkg/domain/entities"
@@ -21,6 +21,37 @@ import (
"github.com/spf13/pflag"
)
+// HelpTemplate is the help template for podman commands
+// This uses the short and long options.
+// command should not use this.
+const helpTemplate = `{{.Short}}
+
+Description:
+ {{.Long}}
+
+{{if or .Runnable .HasSubCommands}}{{.UsageString}}{{end}}`
+
+// UsageTemplate is the usage template for podman commands
+// This blocks the displaying of the global options. The main podman
+// command should not use this.
+const usageTemplate = `Usage(v2):{{if (and .Runnable (not .HasAvailableSubCommands))}}
+ {{.UseLine}}{{end}}{{if .HasAvailableSubCommands}}
+ {{.CommandPath}} [command]{{end}}{{if gt (len .Aliases) 0}}
+
+Aliases:
+ {{.NameAndAliases}}{{end}}{{if .HasExample}}
+
+Examples:
+ {{.Example}}{{end}}{{if .HasAvailableSubCommands}}
+
+Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand (eq .Name "help"))}}
+ {{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}
+
+Flags:
+{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}
+{{end}}
+`
+
var (
rootCmd = &cobra.Command{
Use: path.Base(os.Args[0]),
@@ -28,20 +59,20 @@ var (
SilenceUsage: true,
SilenceErrors: true,
TraverseChildren: true,
- PersistentPreRunE: preRunE,
+ PersistentPreRunE: persistentPreRunE,
RunE: registry.SubCommandExists,
- PersistentPostRunE: postRunE,
+ PersistentPostRunE: persistentPostRunE,
Version: version.Version,
}
- logLevels = entities.NewStringSet("debug", "info", "warn", "error", "fatal", "panic")
+ logLevels = []string{"debug", "info", "warn", "error", "fatal", "panic"}
logLevel = "error"
useSyslog bool
)
func init() {
+ // Hooks are called before PersistentPreRunE()
cobra.OnInitialize(
- rootlessHook,
loggingHook,
syslogHook,
)
@@ -63,13 +94,21 @@ func Execute() {
os.Exit(registry.GetExitCode())
}
-func preRunE(cmd *cobra.Command, _ []string) error {
+func persistentPreRunE(cmd *cobra.Command, args []string) error {
+ // TODO: Remove trace statement in podman V2.1
+ logrus.Debugf("Called %s.PersistentPreRunE()", cmd.Name())
+
// Update PodmanOptions now that we "know" more
// TODO: pass in path overriding configuration file
registry.PodmanOptions = registry.NewPodmanConfig()
- cmd.SetHelpTemplate(registry.HelpTemplate())
- cmd.SetUsageTemplate(registry.UsageTemplate())
+ // Prep the engines
+ if _, err := registry.NewImageEngine(cmd, args); err != nil {
+ return err
+ }
+ if _, err := registry.NewContainerEngine(cmd, args); err != nil {
+ return err
+ }
if cmd.Flag("cpu-profile").Changed {
f, err := os.Create(registry.PodmanOptions.CpuProfile)
@@ -88,12 +127,28 @@ func preRunE(cmd *cobra.Command, _ []string) error {
registry.PodmanOptions.SpanCloser = closer
registry.PodmanOptions.Span = tracer.StartSpan("before-context")
- registry.PodmanOptions.SpanCtx = opentracing.ContextWithSpan(context.Background(), registry.PodmanOptions.Span)
+ registry.PodmanOptions.SpanCtx = opentracing.ContextWithSpan(registry.Context(), registry.PodmanOptions.Span)
+ opentracing.StartSpanFromContext(registry.PodmanOptions.SpanCtx, cmd.Name())
+ }
+
+ // Setup Rootless environment, IFF:
+ // 1) in ABI mode
+ // 2) running as non-root
+ // 3) command doesn't require Parent Namespace
+ _, found := cmd.Annotations[registry.ParentNSRequired]
+ if !registry.IsRemote() && rootless.IsRootless() && !found {
+ err := registry.ContainerEngine().SetupRootless(registry.Context(), cmd)
+ if err != nil {
+ return err
+ }
}
return nil
}
-func postRunE(cmd *cobra.Command, args []string) error {
+func persistentPostRunE(cmd *cobra.Command, args []string) error {
+ // TODO: Remove trace statement in podman V2.1
+ logrus.Debugf("Called %s.PersistentPostRunE()", cmd.Name())
+
if cmd.Flag("cpu-profile").Changed {
pprof.StopCPUProfile()
}
@@ -105,14 +160,21 @@ func postRunE(cmd *cobra.Command, args []string) error {
}
func loggingHook() {
- if !logLevels.Contains(logLevel) {
- logrus.Errorf("Log Level \"%s\" is not supported, choose from: %s", logLevel, logLevels.String())
+ var found bool
+ for _, l := range logLevels {
+ if l == logLevel {
+ found = true
+ break
+ }
+ }
+ if !found {
+ fmt.Fprintf(os.Stderr, "Log Level \"%s\" is not supported, choose from: %s\n", logLevel, strings.Join(logLevels, ", "))
os.Exit(1)
}
level, err := logrus.ParseLevel(logLevel)
if err != nil {
- fmt.Fprintf(os.Stderr, err.Error())
+ fmt.Fprint(os.Stderr, err.Error())
os.Exit(1)
}
logrus.SetLevel(level)
@@ -123,26 +185,18 @@ func loggingHook() {
}
func syslogHook() {
- if useSyslog {
- hook, err := logrusSyslog.NewSyslogHook("", "", syslog.LOG_INFO, "")
- if err != nil {
- logrus.WithError(err).Error("Failed to initialize syslog hook")
- }
- if err == nil {
- logrus.AddHook(hook)
- }
+ if !useSyslog {
+ return
}
-}
-func rootlessHook() {
- if rootless.IsRootless() {
- logrus.Error("rootless mode is currently not supported. Support will return ASAP.")
+ hook, err := logrusSyslog.NewSyslogHook("", "", syslog.LOG_INFO, "")
+ if err != nil {
+ fmt.Fprint(os.Stderr, "Failed to initialize syslog hook: "+err.Error())
+ os.Exit(1)
+ }
+ if err == nil {
+ logrus.AddHook(hook)
}
- // ce, err := registry.NewContainerEngine(rootCmd, []string{})
- // if err != nil {
- // logrus.WithError(err).Fatal("failed to obtain container engine")
- // }
- // ce.SetupRootLess(rootCmd)
}
func rootFlags(opts entities.PodmanConfig, flags *pflag.FlagSet) {
@@ -179,7 +233,7 @@ func rootFlags(opts entities.PodmanConfig, flags *pflag.FlagSet) {
// Override default --help information of `--help` global flag
var dummyHelp bool
flags.BoolVar(&dummyHelp, "help", false, "Help for podman")
- flags.StringVar(&logLevel, "log-level", logLevel, fmt.Sprintf("Log messages above specified level (%s)", logLevels.String()))
+ flags.StringVar(&logLevel, "log-level", logLevel, fmt.Sprintf("Log messages above specified level (%s)", strings.Join(logLevels, ", ")))
// Hide these flags for both ABI and Tunneling
for _, f := range []string{
@@ -189,7 +243,7 @@ func rootFlags(opts entities.PodmanConfig, flags *pflag.FlagSet) {
"trace",
} {
if err := flags.MarkHidden(f); err != nil {
- logrus.Warnf("unable to mark %s flag as hidden", f)
+ logrus.Warnf("unable to mark %s flag as hidden: %s", f, err.Error())
}
}
@@ -197,5 +251,4 @@ func rootFlags(opts entities.PodmanConfig, flags *pflag.FlagSet) {
if !registry.IsRemote() {
flags.BoolVar(&useSyslog, "syslog", false, "Output logging information to syslog as well as the console (default false)")
}
-
}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-09-30 12:28:43 +0000