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Code Issues Releases Wiki Activity

Working out why linuxkit crashes in bootup by labeling init stages

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Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au>
This commit is contained in:
Sven Dowideit
2017-05-03 09:45:58 +10:00
parent 70ea28669a
commit aef937609e
5 changed files with 99 additions and 65 deletions
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71
init/init.go
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@@ -90,7 +90,8 @@ func sysInit(c *config.CloudConfig) (*config.CloudConfig, error) {
}
func MainInit() {
// TODO: log.InitLogger()
log.InitLogger()
log.Infof("MainInit() start")
if err := RunInit(); err != nil {
log.Fatal(err)
}
@@ -223,19 +224,19 @@ func RunInit() error {
configFiles := make(map[string][]byte)
initFuncs := []config.CfgFunc{
func(c *config.CloudConfig) (*config.CloudConfig, error) {
initFuncs := []config.CfgFuncData{
config.CfgFuncData{"preparefs", func(c *config.CloudConfig) (*config.CloudConfig, error) {
return c, dfs.PrepareFs(&mountConfig)
},
func(c *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"save init cmdline", func(c *config.CloudConfig) (*config.CloudConfig, error) {
// will this be passed to cloud-init-save?
cmdLineArgs := strings.Join(os.Args, " ")
config.SaveInitCmdline(cmdLineArgs)
return c, nil
},
mountOem,
func(_ *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"mount OEM", mountOem},
config.CfgFuncData{"debug save cfg", func(_ *config.CloudConfig) (*config.CloudConfig, error) {
cfg := config.LoadConfig()
if cfg.Rancher.Debug {
@@ -248,9 +249,9 @@ func RunInit() error {
}
return cfg, nil
},
loadModules,
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"load modules", loadModules},
config.CfgFuncData{"b2d env", func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
if util.ResolveDevice("LABEL=B2D_STATE") != "" {
boot2DockerEnvironment = true
cfg.Rancher.State.Dev = "LABEL=B2D_STATE"
@@ -286,23 +287,23 @@ func RunInit() error {
}
return config.LoadConfig(), nil
},
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"mount and bootstrap", func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
var err error
cfg, shouldSwitchRoot, err = tryMountAndBootstrap(cfg)
if err != nil {
return nil, err
}
return cfg, nil
},
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"cloud-init", func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
cfg.Rancher.CloudInit.Datasources = config.LoadConfigWithPrefix(state).Rancher.CloudInit.Datasources
if err := config.Set("rancher.cloud_init.datasources", cfg.Rancher.CloudInit.Datasources); err != nil {
log.Error(err)
}
log.Debug("init: runCloudInitServices()")
log.Debug("init, runCloudInitServices()")
if err := runCloudInitServices(cfg); err != nil {
log.Error(err)
}
@@ -311,8 +312,8 @@ func RunInit() error {
cfg = config.LoadConfig()
return cfg, nil
},
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"read cfg files", func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
filesToCopy := []string{
config.CloudConfigInitFile,
config.CloudConfigBootFile,
@@ -328,8 +329,8 @@ func RunInit() error {
configFiles[name] = content
}
return cfg, nil
},
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"switchroot", func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
if !shouldSwitchRoot {
return cfg, nil
}
@@ -338,9 +339,9 @@ func RunInit() error {
return cfg, err
}
return cfg, nil
},
mountOem,
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"mount OEM2", mountOem},
config.CfgFuncData{"write cfg files", func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
for name, content := range configFiles {
if err := os.MkdirAll(filepath.Dir(name), os.ModeDir|0700); err != nil {
log.Error(err)
@@ -356,8 +357,8 @@ func RunInit() error {
log.Error(err)
}
return cfg, nil
},
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"b2d Env", func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
if boot2DockerEnvironment {
if err := config.Set("rancher.state.dev", cfg.Rancher.State.Dev); err != nil {
log.Errorf("Failed to update rancher.state.dev: %v", err)
@@ -368,21 +369,21 @@ func RunInit() error {
}
return config.LoadConfig(), nil
},
func(c *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"preparefs2", func(c *config.CloudConfig) (*config.CloudConfig, error) {
return c, dfs.PrepareFs(&mountConfig)
},
loadModules,
func(c *config.CloudConfig) (*config.CloudConfig, error) {
}},
config.CfgFuncData{"load modules2", loadModules},
config.CfgFuncData{"set proxy env", func(c *config.CloudConfig) (*config.CloudConfig, error) {
network.SetProxyEnvironmentVariables(c)
return c, nil
},
initializeSelinux,
setupSharedRoot,
sysInit,
}},
config.CfgFuncData{"init SELinux", initializeSelinux},
config.CfgFuncData{"setupSharedRoot", setupSharedRoot},
config.CfgFuncData{"sysinit", sysInit},
}
cfg, err := config.ChainCfgFuncs(nil, initFuncs...)
cfg, err := config.ChainCfgFuncs(nil, initFuncs)
if err != nil {
return err
}