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Code Issues Releases Wiki Activity

Convert install script to go

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Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au>
This commit is contained in:
Sven Dowideit
2016-12-01 13:55:19 +10:00
parent 80820e610a
commit 087bc6fd2d
15 changed files with 797 additions and 29 deletions
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21
init/init.go Normal file → Executable file
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@@ -71,6 +71,7 @@ func loadModules(cfg *config.CloudConfig) (*config.CloudConfig, error) {
}
func sysInit(c *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("sysInit")
args := append([]string{config.SysInitBin}, os.Args[1:]...)
cmd := &exec.Cmd{
@@ -224,10 +225,12 @@ func RunInit() error {
var metadataFile []byte
initFuncs := []config.CfgFunc{
func(c *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("dfs.PrepareFs")
return c, dfs.PrepareFs(&mountConfig)
},
mountOem,
func(_ *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("showconfig")
cfg := config.LoadConfig()
if cfg.Rancher.Debug {
@@ -243,6 +246,7 @@ func RunInit() error {
},
loadModules,
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("read B2D_STATE")
if util.ResolveDevice("LABEL=B2D_STATE") != "" {
boot2DockerEnvironment = true
cfg.Rancher.State.Dev = "LABEL=B2D_STATE"
@@ -270,6 +274,7 @@ func RunInit() error {
return cfg, nil
},
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("tryMountAndBootstrap")
var err error
cfg, shouldSwitchRoot, err = tryMountAndBootstrap(cfg)
if err != nil {
@@ -278,6 +283,7 @@ func RunInit() error {
return cfg, nil
},
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("cloudinit")
if err := os.MkdirAll(config.CloudConfigDir, os.ModeDir|0755); err != nil {
log.Error(err)
}
@@ -313,6 +319,7 @@ func RunInit() error {
return cfg, nil
},
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("readconfig")
var err error
cloudConfigBootFile, err = ioutil.ReadFile(config.CloudConfigBootFile)
if err != nil {
@@ -325,6 +332,7 @@ func RunInit() error {
return cfg, nil
},
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("switchroot")
if !shouldSwitchRoot {
return cfg, nil
}
@@ -336,6 +344,7 @@ func RunInit() error {
},
mountOem,
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("write meta")
if err := os.MkdirAll(config.CloudConfigDir, os.ModeDir|0755); err != nil {
log.Error(err)
}
@@ -348,6 +357,7 @@ func RunInit() error {
return cfg, nil
},
func(cfg *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("set sate")
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)
@@ -360,10 +370,12 @@ func RunInit() error {
return config.LoadConfig(), nil
},
func(c *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("preparefs2")
return c, dfs.PrepareFs(&mountConfig)
},
loadModules,
func(c *config.CloudConfig) (*config.CloudConfig, error) {
showMounts("setproxy")
network.SetProxyEnvironmentVariables(c)
return c, nil
},
@@ -388,3 +400,12 @@ func RunInit() error {
return pidOne()
}
func showMounts(msg string) {
mounts, err := ioutil.ReadFile("/proc/mounts")
if err != nil {
log.Infof("+++++++++ showMounts(%s) ERROR: %s", msg, err)
} else {
log.Infof("+++++++++ showMounts(%s) %s", msg, mounts)
}
}