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Read configuration after flags making this the priority: 1- Apply configuration from file. 2- Apply configuration from flags. Reload configuration when a signal is received, USR2 in Linux: - Reload router if the debug configuration changes. - Reload daemon labels. - Reload cluster discovery. Signed-off-by: David Calavera <david.calavera@gmail.com>
57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
// +build daemon
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package main
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import (
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"fmt"
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"os"
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"syscall"
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"github.com/Sirupsen/logrus"
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apiserver "github.com/docker/docker/api/server"
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"github.com/docker/docker/daemon"
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"github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/pkg/system"
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)
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var defaultDaemonConfigFile = os.Getenv("programdata") + string(os.PathSeparator) + "docker" + string(os.PathSeparator) + "config" + string(os.PathSeparator) + "daemon.json"
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func setPlatformServerConfig(serverConfig *apiserver.Config, daemonCfg *daemon.Config) *apiserver.Config {
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return serverConfig
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}
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// currentUserIsOwner checks whether the current user is the owner of the given
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// file.
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func currentUserIsOwner(f string) bool {
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return false
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}
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// setDefaultUmask doesn't do anything on windows
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func setDefaultUmask() error {
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return nil
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}
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func getDaemonConfDir() string {
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return os.Getenv("PROGRAMDATA") + `\docker\config`
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}
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// notifySystem sends a message to the host when the server is ready to be used
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func notifySystem() {
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}
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// setupConfigReloadTrap configures a Win32 event to reload the configuration.
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func setupConfigReloadTrap(configFile string, flags *mflag.FlagSet, reload func(*daemon.Config)) {
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go func() {
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sa := syscall.SecurityAttributes{
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Length: 0,
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}
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ev := "Global\\docker-daemon-config-" + fmt.Sprint(os.Getpid())
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if h, _ := system.CreateEvent(&sa, false, false, ev); h != 0 {
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logrus.Debugf("Config reload - waiting signal at %s", ev)
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for {
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syscall.WaitForSingleObject(h, syscall.INFINITE)
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daemon.ReloadConfiguration(configFile, flags, reload)
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}
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}
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}()
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}
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