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package main
import (
"context"
"io"
"os"
"path"
"github.com/containers/common/pkg/config"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/define"
_ "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/sirupsen/logrus"
"github.com/spf13/cobra"
)
// This is populated by the Makefile from the VERSION file
// in the repository
var (
exitCode = define.ExecErrorCodeGeneric
Ctx context.Context
span opentracing.Span // nolint:varcheck,deadcode,unused
closer io.Closer // nolint:varcheck,deadcode,unused
)
// Commands that the remote and local client have
// implemented.
var mainCommands = []*cobra.Command{
_attachCommand,
_buildCommand,
_commitCommand,
_diffCommand,
_createCommand,
_eventsCommand,
_execCommand,
_exportCommand,
_generateCommand,
_historyCommand,
&_imagesCommand,
_importCommand,
_infoCommand,
_initCommand,
&_inspectCommand,
_killCommand,
_loadCommand,
_logsCommand,
_pauseCommand,
podCommand.Command,
_portCommand,
&_psCommand,
_pullCommand,
_pushCommand,
_restartCommand,
_rmCommand,
&_rmiCommand,
_runCommand,
_saveCommand,
_stopCommand,
_tagCommand,
_topCommand,
_unpauseCommand,
_versionCommand,
_waitCommand,
imageCommand.Command,
_startCommand,
systemCommand.Command,
_untagCommand,
}
var rootCmd = &cobra.Command{
Use: path.Base(os.Args[0]),
Long: "manage pods and images",
RunE: commandRunE(),
PersistentPreRunE: before,
PersistentPostRunE: after,
SilenceUsage: true,
SilenceErrors: true,
}
var (
MainGlobalOpts cliconfig.MainFlags
defaultContainerConfig = getDefaultContainerConfig()
)
func initCobra() {
cobra.OnInitialize(initConfig)
rootCmd.TraverseChildren = true
rootCmd.Version = version.Version
// Override default --help information of `--version` global flag
var dummyVersion bool
rootCmd.Flags().BoolVarP(&dummyVersion, "version", "v", false, "Version of podman")
rootCmd.AddCommand(mainCommands...)
rootCmd.AddCommand(getMainCommands()...)
}
func init() {
if err := libpod.SetXdgDirs(); err != nil {
logrus.Errorf(err.Error())
os.Exit(1)
}
initBuild()
initCobra()
}
func initConfig() {
// we can do more stuff in here.
}
func before(cmd *cobra.Command, args []string) error {
// 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)
if err := setSyslog(); err != nil {
return err
}
defaultContainerConfig.Engine.CgroupManager = MainGlobalOpts.CGroupManager
defaultContainerConfig.CheckCgroupsAndAdjustConfig()
if err := setupRootless(cmd, args); err != nil {
return err
}
// check that global opts input is valid
if err := checkInput(); err != nil {
return err
}
if err := setRLimits(); err != nil {
return err
}
if rootless.IsRootless() {
logrus.Info("running as rootless")
}
setUMask()
return profileOn(cmd)
}
func after(cmd *cobra.Command, args []string) error {
return profileOff(cmd)
}
func main() {
//debug := false
//cpuProfile := false
if reexec.Init() {
// We were invoked with a different argv[0] indicating that we
// had a specific job to do as a subprocess, and it's done.
return
}
// Hard code TMPDIR functions to use /var/tmp, if user did not override
if _, ok := os.LookupEnv("TMPDIR"); !ok {
os.Setenv("TMPDIR", "/var/tmp")
}
if err := rootCmd.Execute(); err != nil {
outputError(err)
} else if exitCode == define.ExecErrorCodeGeneric {
// The exitCode modified from define.ExecErrorCodeGeneric,
// 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.
exitCode = 0
}
// Check if /etc/containers/registries.conf exists when running in
// in a local environment.
CheckForRegistries()
os.Exit(exitCode)
}
func getDefaultContainerConfig() *config.Config {
defaultContainerConfig, err := config.Default()
if err != nil {
logrus.Error(err)
os.Exit(1)
}
return defaultContainerConfig
}
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