1package main
2
3import (
4	"runtime"
5
6	"github.com/docker/docker/daemon/config"
7	"github.com/docker/docker/opts"
8	"github.com/docker/docker/registry"
9	"github.com/spf13/pflag"
10)
11
12const (
13	// defaultShutdownTimeout is the default shutdown timeout for the daemon
14	defaultShutdownTimeout = 15
15	// defaultTrustKeyFile is the default filename for the trust key
16	defaultTrustKeyFile = "key.json"
17)
18
19// installCommonConfigFlags adds flags to the pflag.FlagSet to configure the daemon
20func installCommonConfigFlags(conf *config.Config, flags *pflag.FlagSet) {
21	var maxConcurrentDownloads, maxConcurrentUploads int
22
23	installRegistryServiceFlags(&conf.ServiceOptions, flags)
24
25	flags.Var(opts.NewNamedListOptsRef("storage-opts", &conf.GraphOptions, nil), "storage-opt", "Storage driver options")
26	flags.Var(opts.NewNamedListOptsRef("authorization-plugins", &conf.AuthorizationPlugins, nil), "authorization-plugin", "Authorization plugins to load")
27	flags.Var(opts.NewNamedListOptsRef("exec-opts", &conf.ExecOptions, nil), "exec-opt", "Runtime execution options")
28	flags.StringVarP(&conf.Pidfile, "pidfile", "p", defaultPidFile, "Path to use for daemon PID file")
29	flags.StringVarP(&conf.Root, "graph", "g", defaultDataRoot, "Root of the Docker runtime")
30	flags.StringVar(&conf.ExecRoot, "exec-root", defaultExecRoot, "Root directory for execution state files")
31	flags.StringVar(&conf.ContainerdAddr, "containerd", "", "containerd grpc address")
32
33	// "--graph" is "soft-deprecated" in favor of "data-root". This flag was added
34	// before Docker 1.0, so won't be removed, only hidden, to discourage its usage.
35	flags.MarkHidden("graph")
36
37	flags.StringVar(&conf.Root, "data-root", defaultDataRoot, "Root directory of persistent Docker state")
38
39	flags.BoolVarP(&conf.AutoRestart, "restart", "r", true, "--restart on the daemon has been deprecated in favor of --restart policies on docker run")
40	flags.MarkDeprecated("restart", "Please use a restart policy on docker run")
41
42	// Windows doesn't support setting the storage driver - there is no choice as to which ones to use.
43	if runtime.GOOS != "windows" {
44		flags.StringVarP(&conf.GraphDriver, "storage-driver", "s", "", "Storage driver to use")
45	}
46
47	flags.IntVar(&conf.Mtu, "mtu", 0, "Set the containers network MTU")
48	flags.BoolVar(&conf.RawLogs, "raw-logs", false, "Full timestamps without ANSI coloring")
49	flags.Var(opts.NewListOptsRef(&conf.DNS, opts.ValidateIPAddress), "dns", "DNS server to use")
50	flags.Var(opts.NewNamedListOptsRef("dns-opts", &conf.DNSOptions, nil), "dns-opt", "DNS options to use")
51	flags.Var(opts.NewListOptsRef(&conf.DNSSearch, opts.ValidateDNSSearch), "dns-search", "DNS search domains to use")
52	flags.Var(opts.NewNamedListOptsRef("labels", &conf.Labels, opts.ValidateLabel), "label", "Set key=value labels to the daemon")
53	flags.StringVar(&conf.LogConfig.Type, "log-driver", "json-file", "Default driver for container logs")
54	flags.Var(opts.NewNamedMapOpts("log-opts", conf.LogConfig.Config, nil), "log-opt", "Default log driver options for containers")
55	flags.StringVar(&conf.ClusterAdvertise, "cluster-advertise", "", "Address or interface name to advertise")
56	flags.StringVar(&conf.ClusterStore, "cluster-store", "", "URL of the distributed storage backend")
57	flags.Var(opts.NewNamedMapOpts("cluster-store-opts", conf.ClusterOpts, nil), "cluster-store-opt", "Set cluster store options")
58	flags.StringVar(&conf.CorsHeaders, "api-cors-header", "", "Set CORS headers in the Engine API")
59	flags.IntVar(&maxConcurrentDownloads, "max-concurrent-downloads", config.DefaultMaxConcurrentDownloads, "Set the max concurrent downloads for each pull")
60	flags.IntVar(&maxConcurrentUploads, "max-concurrent-uploads", config.DefaultMaxConcurrentUploads, "Set the max concurrent uploads for each push")
61	flags.IntVar(&conf.ShutdownTimeout, "shutdown-timeout", defaultShutdownTimeout, "Set the default shutdown timeout")
62	flags.IntVar(&conf.NetworkDiagnosticPort, "network-diagnostic-port", 0, "TCP port number of the network diagnostic server")
63	flags.MarkHidden("network-diagnostic-port")
64
65	flags.StringVar(&conf.SwarmDefaultAdvertiseAddr, "swarm-default-advertise-addr", "", "Set default address or interface for swarm advertised address")
66	flags.BoolVar(&conf.Experimental, "experimental", false, "Enable experimental features")
67
68	flags.StringVar(&conf.MetricsAddress, "metrics-addr", "", "Set default address and port to serve the metrics api on")
69
70	flags.Var(opts.NewListOptsRef(&conf.NodeGenericResources, opts.ValidateSingleGenericResource), "node-generic-resource", "Advertise user-defined resource")
71
72	flags.IntVar(&conf.NetworkControlPlaneMTU, "network-control-plane-mtu", config.DefaultNetworkMtu, "Network Control plane MTU")
73
74	// "--deprecated-key-path" is to allow configuration of the key used
75	// for the daemon ID and the deprecated image signing. It was never
76	// exposed as a command line option but is added here to allow
77	// overriding the default path in configuration.
78	flags.Var(opts.NewQuotedString(&conf.TrustKeyPath), "deprecated-key-path", "Path to key file for ID and image signing")
79	flags.MarkHidden("deprecated-key-path")
80
81	conf.MaxConcurrentDownloads = &maxConcurrentDownloads
82	conf.MaxConcurrentUploads = &maxConcurrentUploads
83}
84
85func installRegistryServiceFlags(options *registry.ServiceOptions, flags *pflag.FlagSet) {
86	ana := opts.NewNamedListOptsRef("allow-nondistributable-artifacts", &options.AllowNondistributableArtifacts, registry.ValidateIndexName)
87	mirrors := opts.NewNamedListOptsRef("registry-mirrors", &options.Mirrors, registry.ValidateMirror)
88	insecureRegistries := opts.NewNamedListOptsRef("insecure-registries", &options.InsecureRegistries, registry.ValidateIndexName)
89
90	flags.Var(ana, "allow-nondistributable-artifacts", "Allow push of nondistributable artifacts to registry")
91	flags.Var(mirrors, "registry-mirror", "Preferred Docker registry mirror")
92	flags.Var(insecureRegistries, "insecure-registry", "Enable insecure registry communication")
93
94	if runtime.GOOS != "windows" {
95		// TODO: Remove this flag after 3 release cycles (18.03)
96		flags.BoolVar(&options.V2Only, "disable-legacy-registry", true, "Disable contacting legacy registries")
97		flags.MarkHidden("disable-legacy-registry")
98	}
99}
100