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|
package main
import (
"context"
"io"
"os"
"syscall"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/libpod"
_ "github.com/containers/libpod/pkg/hooks/0.1.0"
"github.com/containers/libpod/pkg/rootless"
"github.com/containers/libpod/version"
"github.com/containers/storage/pkg/reexec"
"github.com/opentracing/opentracing-go"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
// This is populated by the Makefile from the VERSION file
// in the repository
var (
exitCode = 125
Ctx context.Context
span opentracing.Span
closer io.Closer
)
// Commands that the remote and local client have
// implemented.
var mainCommands = []*cobra.Command{
_attachCommand,
_buildCommand,
_diffCommand,
_createCommand,
_eventsCommand,
_exportCommand,
_generateCommand,
_historyCommand,
&_imagesCommand,
_importCommand,
_infoCommand,
&_inspectCommand,
_killCommand,
_loadCommand,
_logsCommand,
_pauseCommand,
podCommand.Command,
_portCommand,
&_psCommand,
_pullCommand,
_pushCommand,
_restartCommand,
_rmCommand,
&_rmiCommand,
_runCommand,
_saveCommand,
_stopCommand,
_tagCommand,
_topCommand,
_umountCommand,
_unpauseCommand,
_versionCommand,
_waitCommand,
imageCommand.Command,
_startCommand,
systemCommand.Command,
}
var rootCmd = &cobra.Command{
Use: "podman",
Long: "manage pods and images",
RunE: commandRunE(),
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
return before(cmd, args)
},
PersistentPostRunE: func(cmd *cobra.Command, args []string) error {
return after(cmd, args)
},
SilenceUsage: true,
SilenceErrors: true,
}
var MainGlobalOpts cliconfig.MainFlags
func init() {
cobra.OnInitialize(initConfig)
rootCmd.TraverseChildren = true
rootCmd.Version = version.Version
// Override default --help information of `--version` global flag
var dummyVersion bool
rootCmd.PersistentFlags().BoolVar(&dummyVersion, "version", false, "Version for podman")
rootCmd.AddCommand(mainCommands...)
rootCmd.AddCommand(getMainCommands()...)
}
func initConfig() {
// we can do more stuff in here.
}
func before(cmd *cobra.Command, args []string) error {
if err := libpod.SetXdgRuntimeDir(""); err != nil {
logrus.Errorf(err.Error())
os.Exit(1)
}
if err := setupRootless(cmd, args); err != nil {
return err
}
// Set log level; if not log-level is provided, default to error
logLevel := MainGlobalOpts.LogLevel
if logLevel == "" {
logLevel = "error"
}
level, err := logrus.ParseLevel(logLevel)
if err != nil {
return err
}
logrus.SetLevel(level)
rlimits := new(syscall.Rlimit)
rlimits.Cur = 1048576
rlimits.Max = 1048576
if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, rlimits); err != nil {
if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, rlimits); err != nil {
return errors.Wrapf(err, "error getting rlimits")
}
rlimits.Cur = rlimits.Max
if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, rlimits); err != nil {
return errors.Wrapf(err, "error setting new rlimits")
}
}
if rootless.IsRootless() {
logrus.Info("running as rootless")
}
// Be sure we can create directories with 0755 mode.
syscall.Umask(0022)
return profileOn(cmd)
}
func after(cmd *cobra.Command, args []string) error {
return profileOff(cmd)
}
func main() {
//debug := false
//cpuProfile := false
if reexec.Init() {
return
}
if err := rootCmd.Execute(); err != nil {
outputError(err)
} else {
// The exitCode modified from 125, indicates an application
// running inside of a container failed, as opposed to the
// podman command failed. Must exit with that exit code
// otherwise command exited correctly.
if exitCode == 125 {
exitCode = 0
}
}
// Check if /etc/containers/registries.conf exists when running in
// in a local environment.
CheckForRegistries()
os.Exit(exitCode)
}
|
