本文整理汇总了Golang中github.com/docker/docker/engine.Engine.OnShutdown方法的典型用法代码示例。如果您正苦于以下问题：Golang Engine.OnShutdown方法的具体用法？Golang Engine.OnShutdown怎么用？Golang Engine.OnShutdown使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/docker/docker/engine.Engine的用法示例。
在下文中一共展示了Engine.OnShutdown方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: NewDaemonFromDirectory
func NewDaemonFromDirectory(config *Config, eng *engine.Engine) (*Daemon, error) {
if config.Mtu == 0 {
config.Mtu = getDefaultNetworkMtu()
}
// Check for mutually incompatible config options
if config.BridgeIface != "" && config.BridgeIP != "" {
return nil, fmt.Errorf("You specified -b & --bip, mutually exclusive options. Please specify only one.")
}
if !config.EnableIptables && !config.InterContainerCommunication {
return nil, fmt.Errorf("You specified --iptables=false with --icc=false. ICC uses iptables to function. Please set --icc or --iptables to true.")
}
if !config.EnableIptables && config.EnableIpMasq {
config.EnableIpMasq = false
}
config.DisableNetwork = config.BridgeIface == disableNetworkBridge
// Claim the pidfile first, to avoid any and all unexpected race conditions.
// Some of the init doesn't need a pidfile lock - but let's not try to be smart.
if config.Pidfile != "" {
if err := utils.CreatePidFile(config.Pidfile); err != nil {
return nil, err
}
eng.OnShutdown(func() {
// Always release the pidfile last, just in case
utils.RemovePidFile(config.Pidfile)
})
}
// Check that the system is supported and we have sufficient privileges
if runtime.GOOS != "linux" {
return nil, fmt.Errorf("The Docker daemon is only supported on linux")
}
if os.Geteuid() != 0 {
return nil, fmt.Errorf("The Docker daemon needs to be run as root")
}
if err := checkKernelAndArch(); err != nil {
return nil, err
}
// set up the TempDir to use a canonical path
tmp, err := utils.TempDir(config.Root)
if err != nil {
return nil, fmt.Errorf("Unable to get the TempDir under %s: %s", config.Root, err)
}
realTmp, err := utils.ReadSymlinkedDirectory(tmp)
if err != nil {
return nil, fmt.Errorf("Unable to get the full path to the TempDir (%s): %s", tmp, err)
}
os.Setenv("TMPDIR", realTmp)
if !config.EnableSelinuxSupport {
selinuxSetDisabled()
}
// get the canonical path to the Docker root directory
var realRoot string
if _, err := os.Stat(config.Root); err != nil && os.IsNotExist(err) {
realRoot = config.Root
} else {
realRoot, err = utils.ReadSymlinkedDirectory(config.Root)
if err != nil {
return nil, fmt.Errorf("Unable to get the full path to root (%s): %s", config.Root, err)
}
}
config.Root = realRoot
// Create the root directory if it doesn't exists
if err := os.MkdirAll(config.Root, 0700); err != nil && !os.IsExist(err) {
return nil, err
}
// Set the default driver
graphdriver.DefaultDriver = config.GraphDriver
// Load storage driver
driver, err := graphdriver.New(config.Root, config.GraphOptions)
if err != nil {
return nil, err
}
log.Debugf("Using graph driver %s", driver)
// As Docker on btrfs and SELinux are incompatible at present, error on both being enabled
if selinuxEnabled() && config.EnableSelinuxSupport && driver.String() == "btrfs" {
return nil, fmt.Errorf("SELinux is not supported with the BTRFS graph driver!")
}
daemonRepo := path.Join(config.Root, "containers")
if err := os.MkdirAll(daemonRepo, 0700); err != nil && !os.IsExist(err) {
return nil, err
}
// Migrate the container if it is aufs and aufs is enabled
if err = migrateIfAufs(driver, config.Root); err != nil {
return nil, err
}
log.Debugf("Creating images graph")
g, err := graph.NewGraph(path.Join(config.Root, "graph"), driver)
if err != nil {
return nil, err
}
//.........这里部分代码省略.........