mirror of
https://github.com/rancher/os.git
synced 2025-06-19 03:31:55 +00:00
93 lines
2.6 KiB
Go
93 lines
2.6 KiB
Go
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// +build linux
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package init
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import (
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"fmt"
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"github.com/rancher/os/pkg/init/selinux"
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"github.com/rancher/os/pkg/init/docker"
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"github.com/rancher/os/pkg/init/one"
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"github.com/rancher/os/config"
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"github.com/rancher/os/pkg/dfs"
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"github.com/rancher/os/pkg/init/b2d"
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"github.com/rancher/os/pkg/init/cloudinit"
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"github.com/rancher/os/pkg/init/configfiles"
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"github.com/rancher/os/pkg/init/debug"
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"github.com/rancher/os/pkg/init/env"
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"github.com/rancher/os/pkg/init/fsmount"
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"github.com/rancher/os/pkg/init/hypervisor"
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"github.com/rancher/os/pkg/init/modules"
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"github.com/rancher/os/pkg/init/prepare"
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"github.com/rancher/os/pkg/init/recovery"
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"github.com/rancher/os/pkg/init/sharedroot"
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"github.com/rancher/os/pkg/init/switchroot"
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"github.com/rancher/os/pkg/log"
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"github.com/rancher/os/pkg/sysinit"
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)
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func MainInit() {
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log.InitLogger()
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// TODO: this breaks and does nothing if the cfg is invalid (or is it due to threading?)
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defer func() {
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if r := recover(); r != nil {
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fmt.Printf("Starting Recovery console: %v\n", r)
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recovery.Recovery(nil)
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}
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}()
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if err := RunInit(); err != nil {
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log.Fatal(err)
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}
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}
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func RunInit() error {
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initFuncs := config.CfgFuncs{
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{"set env", env.Init},
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{"preparefs", prepare.FS},
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{"save init cmdline", prepare.SaveCmdline},
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{"mount OEM", fsmount.OEM},
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{"debug save cfg", debug.PrintAndLoadConfig},
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{"load modules", modules.LoadModules},
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{"recovery console", recovery.LoadRecoveryConsole},
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{"cloud-init", cloudinit.CloudInit},
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{"b2d env", b2d.B2D},
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{"mount and bootstrap", fsmount.MountAndBootstrap},
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{"read cfg and log files", configfiles.ReadConfigFiles},
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{"switchroot", switchroot.SwitchRoot},
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{"mount OEM2", fsmount.OEM},
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{"write cfg and log files", configfiles.WriteConfigFiles},
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{"hypervisor Env", hypervisor.Env},
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{"b2d Env", b2d.Env},
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{"hypervisor tools", hypervisor.Tools},
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{"preparefs2", prepare.FS},
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{"load modules2", modules.LoadModules},
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{"set proxy env", env.Proxy},
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{"init SELinux", selinux.Initialize},
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{"setupSharedRoot", sharedroot.Setup},
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{"sysinit", sysinit.RunSysInit},
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}
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cfg, err := config.ChainCfgFuncs(nil, initFuncs)
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if err != nil {
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recovery.Recovery(err)
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}
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launchConfig, args := docker.GetLaunchConfig(cfg, &cfg.Rancher.SystemDocker)
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launchConfig.Fork = !cfg.Rancher.SystemDocker.Exec
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//launchConfig.NoLog = true
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log.Info("Launching System Docker")
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_, err = dfs.LaunchDocker(launchConfig, config.SystemDockerBin, args...)
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if err != nil {
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log.Errorf("Error Launching System Docker: %s", err)
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recovery.Recovery(err)
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return err
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}
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// Code never gets here - rancher.system_docker.exec=true
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return one.PidOne()
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}
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