mirror of
https://github.com/opencontainers/runc.git
synced 2026-07-11 06:03:57 +08:00
Danail Branekov
c486e3c406
Refactor configuring logging into a reusable component so that it can be nicely used in both main() and init process init() Co-authored-by: Georgi Sabev <georgethebeatle@gmail.com> Co-authored-by: Giuseppe Capizzi <gcapizzi@pivotal.io> Co-authored-by: Claudia Beresford <cberesford@pivotal.io> Signed-off-by: Danail Branekov <danailster@gmail.com>
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package main
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import (
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"fmt"
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"github.com/opencontainers/runc/libcontainer"
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"github.com/opencontainers/runc/libcontainer/logs"
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_ "github.com/opencontainers/runc/libcontainer/nsenter"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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"os"
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"runtime"
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)
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func init() {
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if len(os.Args) > 1 && os.Args[1] == "init" {
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runtime.GOMAXPROCS(1)
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runtime.LockOSThread()
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err := logs.ConfigureLogging(&logs.LoggingConfiguration{
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LogPipeFd: os.Getenv("_LIBCONTAINER_LOGPIPE"),
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LogFormat: "json",
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IsDebug: true,
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})
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if err != nil {
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panic(fmt.Sprintf("libcontainer: failed to configure logging: %v", err))
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}
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logrus.Debug("child process in init()")
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}
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}
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var initCommand = cli.Command{
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Name: "init",
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Usage: `initialize the namespaces and launch the process (do not call it outside of runc)`,
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Action: func(context *cli.Context) error {
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factory, _ := libcontainer.New("")
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if err := factory.StartInitialization(); err != nil {
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// as the error is sent back to the parent there is no need to log
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// or write it to stderr because the parent process will handle this
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os.Exit(1)
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}
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panic("libcontainer: container init failed to exec")
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},
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}
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