package main import ( "runtime" "github.com/docker/docker/daemon" "github.com/docker/docker/daemon/config" "github.com/docker/docker/opts" "github.com/docker/docker/plugin/executor/containerd" "github.com/docker/docker/registry" "github.com/spf13/pflag" ) const ( // defaultShutdownTimeout is the default shutdown timeout for the daemon defaultShutdownTimeout = 15 // defaultTrustKeyFile is the default filename for the trust key defaultTrustKeyFile = "key.json" ) // installCommonConfigFlags adds flags to the pflag.FlagSet to configure the daemon func installCommonConfigFlags(conf *config.Config, flags *pflag.FlagSet) error { var maxConcurrentDownloads, maxConcurrentUploads, maxDownloadAttempts int defaultPidFile, err := getDefaultPidFile() if err != nil { return err } defaultDataRoot, err := getDefaultDataRoot() if err != nil { return err } defaultExecRoot, err := getDefaultExecRoot() if err != nil { return err } installRegistryServiceFlags(&conf.ServiceOptions, flags) flags.Var(opts.NewNamedListOptsRef("storage-opts", &conf.GraphOptions, nil), "storage-opt", "Storage driver options") flags.Var(opts.NewNamedListOptsRef("authorization-plugins", &conf.AuthorizationPlugins, nil), "authorization-plugin", "Authorization plugins to load") flags.Var(opts.NewNamedListOptsRef("exec-opts", &conf.ExecOptions, nil), "exec-opt", "Runtime execution options") flags.StringVarP(&conf.Pidfile, "pidfile", "p", defaultPidFile, "Path to use for daemon PID file") flags.StringVarP(&conf.Root, "graph", "g", defaultDataRoot, "Root of the Docker runtime") flags.StringVar(&conf.ExecRoot, "exec-root", defaultExecRoot, "Root directory for execution state files") flags.StringVar(&conf.ContainerdAddr, "containerd", "", "containerd grpc address") flags.BoolVar(&conf.CriContainerd, "cri-containerd", false, "start containerd with cri") // "--graph" is "soft-deprecated" in favor of "data-root". This flag was added // before Docker 1.0, so won't be removed, only hidden, to discourage its usage. _ = flags.MarkHidden("graph") flags.StringVar(&conf.Root, "data-root", defaultDataRoot, "Root directory of persistent Docker state") flags.BoolVarP(&conf.AutoRestart, "restart", "r", true, "--restart on the daemon has been deprecated in favor of --restart policies on docker run") _ = flags.MarkDeprecated("restart", "Please use a restart policy on docker run") // Windows doesn't support setting the storage driver - there is no choice as to which ones to use. if runtime.GOOS != "windows" { flags.StringVarP(&conf.GraphDriver, "storage-driver", "s", "", "Storage driver to use") } flags.IntVar(&conf.Mtu, "mtu", 0, "Set the containers network MTU") flags.BoolVar(&conf.RawLogs, "raw-logs", false, "Full timestamps without ANSI coloring") flags.Var(opts.NewListOptsRef(&conf.DNS, opts.ValidateIPAddress), "dns", "DNS server to use") flags.Var(opts.NewNamedListOptsRef("dns-opts", &conf.DNSOptions, nil), "dns-opt", "DNS options to use") flags.Var(opts.NewListOptsRef(&conf.DNSSearch, opts.ValidateDNSSearch), "dns-search", "DNS search domains to use") flags.Var(opts.NewNamedListOptsRef("labels", &conf.Labels, opts.ValidateLabel), "label", "Set key=value labels to the daemon") flags.StringVar(&conf.LogConfig.Type, "log-driver", "json-file", "Default driver for container logs") flags.Var(opts.NewNamedMapOpts("log-opts", conf.LogConfig.Config, nil), "log-opt", "Default log driver options for containers") flags.StringVar(&conf.ClusterAdvertise, "cluster-advertise", "", "Address or interface name to advertise") flags.StringVar(&conf.ClusterStore, "cluster-store", "", "URL of the distributed storage backend") flags.Var(opts.NewNamedMapOpts("cluster-store-opts", conf.ClusterOpts, nil), "cluster-store-opt", "Set cluster store options") flags.StringVar(&conf.CorsHeaders, "api-cors-header", "", "Set CORS headers in the Engine API") flags.IntVar(&maxConcurrentDownloads, "max-concurrent-downloads", config.DefaultMaxConcurrentDownloads, "Set the max concurrent downloads for each pull") flags.IntVar(&maxConcurrentUploads, "max-concurrent-uploads", config.DefaultMaxConcurrentUploads, "Set the max concurrent uploads for each push") flags.IntVar(&maxDownloadAttempts, "max-download-attempts", config.DefaultDownloadAttempts, "Set the max download attempts for each pull") flags.IntVar(&conf.ShutdownTimeout, "shutdown-timeout", defaultShutdownTimeout, "Set the default shutdown timeout") flags.IntVar(&conf.NetworkDiagnosticPort, "network-diagnostic-port", 0, "TCP port number of the network diagnostic server") _ = flags.MarkHidden("network-diagnostic-port") flags.StringVar(&conf.SwarmDefaultAdvertiseAddr, "swarm-default-advertise-addr", "", "Set default address or interface for swarm advertised address") flags.BoolVar(&conf.Experimental, "experimental", false, "Enable experimental features") flags.StringVar(&conf.MetricsAddress, "metrics-addr", "", "Set default address and port to serve the metrics api on") flags.Var(opts.NewNamedListOptsRef("node-generic-resources", &conf.NodeGenericResources, opts.ValidateSingleGenericResource), "node-generic-resource", "Advertise user-defined resource") flags.IntVar(&conf.NetworkControlPlaneMTU, "network-control-plane-mtu", config.DefaultNetworkMtu, "Network Control plane MTU") conf.MaxConcurrentDownloads = &maxConcurrentDownloads conf.MaxConcurrentUploads = &maxConcurrentUploads conf.MaxDownloadAttempts = &maxDownloadAttempts flags.StringVar(&conf.ContainerdNamespace, "containerd-namespace", daemon.ContainersNamespace, "Containerd namespace to use") if err := flags.MarkHidden("containerd-namespace"); err != nil { return err } flags.StringVar(&conf.ContainerdPluginNamespace, "containerd-plugins-namespace", containerd.PluginNamespace, "Containerd namespace to use for plugins") return flags.MarkHidden("containerd-plugins-namespace") } func installRegistryServiceFlags(options *registry.ServiceOptions, flags *pflag.FlagSet) { ana := opts.NewNamedListOptsRef("allow-nondistributable-artifacts", &options.AllowNondistributableArtifacts, registry.ValidateIndexName) mirrors := opts.NewNamedListOptsRef("registry-mirrors", &options.Mirrors, registry.ValidateMirror) insecureRegistries := opts.NewNamedListOptsRef("insecure-registries", &options.InsecureRegistries, registry.ValidateIndexName) flags.Var(ana, "allow-nondistributable-artifacts", "Allow push of nondistributable artifacts to registry") flags.Var(mirrors, "registry-mirror", "Preferred Docker registry mirror") flags.Var(insecureRegistries, "insecure-registry", "Enable insecure registry communication") }