mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
140 lines
7.2 KiB
Go
140 lines
7.2 KiB
Go
// +build linux freebsd
|
|
|
|
package daemon
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
|
|
"github.com/docker/docker/opts"
|
|
flag "github.com/docker/docker/pkg/mflag"
|
|
runconfigopts "github.com/docker/docker/runconfig/opts"
|
|
"github.com/docker/engine-api/types"
|
|
"github.com/docker/go-units"
|
|
)
|
|
|
|
var (
|
|
defaultPidFile = "/var/run/docker.pid"
|
|
defaultGraph = "/var/lib/docker"
|
|
defaultExecRoot = "/var/run/docker"
|
|
)
|
|
|
|
// Config defines the configuration of a docker daemon.
|
|
// It includes json tags to deserialize configuration from a file
|
|
// using the same names that the flags in the command line uses.
|
|
type Config struct {
|
|
CommonConfig
|
|
|
|
// Fields below here are platform specific.
|
|
CgroupParent string `json:"cgroup-parent,omitempty"`
|
|
ContainerdAddr string `json:"containerd,omitempty"`
|
|
EnableSelinuxSupport bool `json:"selinux-enabled,omitempty"`
|
|
ExecRoot string `json:"exec-root,omitempty"`
|
|
RemappedRoot string `json:"userns-remap,omitempty"`
|
|
Ulimits map[string]*units.Ulimit `json:"default-ulimits,omitempty"`
|
|
Runtimes map[string]types.Runtime `json:"runtimes,omitempty"`
|
|
DefaultRuntime string `json:"default-runtime,omitempty"`
|
|
OOMScoreAdjust int `json:"oom-score-adjust,omitempty"`
|
|
}
|
|
|
|
// bridgeConfig stores all the bridge driver specific
|
|
// configuration.
|
|
type bridgeConfig struct {
|
|
commonBridgeConfig
|
|
|
|
// Fields below here are platform specific.
|
|
EnableIPv6 bool `json:"ipv6,omitempty"`
|
|
EnableIPTables bool `json:"iptables,omitempty"`
|
|
EnableIPForward bool `json:"ip-forward,omitempty"`
|
|
EnableIPMasq bool `json:"ip-masq,omitempty"`
|
|
EnableUserlandProxy bool `json:"userland-proxy,omitempty"`
|
|
DefaultIP net.IP `json:"ip,omitempty"`
|
|
IP string `json:"bip,omitempty"`
|
|
FixedCIDRv6 string `json:"fixed-cidr-v6,omitempty"`
|
|
DefaultGatewayIPv4 net.IP `json:"default-gateway,omitempty"`
|
|
DefaultGatewayIPv6 net.IP `json:"default-gateway-v6,omitempty"`
|
|
InterContainerCommunication bool `json:"icc,omitempty"`
|
|
}
|
|
|
|
// InstallFlags adds command-line options to the top-level flag parser for
|
|
// the current process.
|
|
// Subsequent calls to `flag.Parse` will populate config with values parsed
|
|
// from the command-line.
|
|
func (config *Config) InstallFlags(cmd *flag.FlagSet, usageFn func(string) string) {
|
|
// First handle install flags which are consistent cross-platform
|
|
config.InstallCommonFlags(cmd, usageFn)
|
|
|
|
// Then platform-specific install flags
|
|
cmd.BoolVar(&config.EnableSelinuxSupport, []string{"-selinux-enabled"}, false, usageFn("Enable selinux support"))
|
|
cmd.StringVar(&config.SocketGroup, []string{"G", "-group"}, "docker", usageFn("Group for the unix socket"))
|
|
config.Ulimits = make(map[string]*units.Ulimit)
|
|
cmd.Var(runconfigopts.NewUlimitOpt(&config.Ulimits), []string{"-default-ulimit"}, usageFn("Default ulimits for containers"))
|
|
cmd.BoolVar(&config.bridgeConfig.EnableIPTables, []string{"#iptables", "-iptables"}, true, usageFn("Enable addition of iptables rules"))
|
|
cmd.BoolVar(&config.bridgeConfig.EnableIPForward, []string{"#ip-forward", "-ip-forward"}, true, usageFn("Enable net.ipv4.ip_forward"))
|
|
cmd.BoolVar(&config.bridgeConfig.EnableIPMasq, []string{"-ip-masq"}, true, usageFn("Enable IP masquerading"))
|
|
cmd.BoolVar(&config.bridgeConfig.EnableIPv6, []string{"-ipv6"}, false, usageFn("Enable IPv6 networking"))
|
|
cmd.StringVar(&config.ExecRoot, []string{"-exec-root"}, defaultExecRoot, usageFn("Root directory for execution state files"))
|
|
cmd.StringVar(&config.bridgeConfig.IP, []string{"#bip", "-bip"}, "", usageFn("Specify network bridge IP"))
|
|
cmd.StringVar(&config.bridgeConfig.Iface, []string{"b", "-bridge"}, "", usageFn("Attach containers to a network bridge"))
|
|
cmd.StringVar(&config.bridgeConfig.FixedCIDR, []string{"-fixed-cidr"}, "", usageFn("IPv4 subnet for fixed IPs"))
|
|
cmd.StringVar(&config.bridgeConfig.FixedCIDRv6, []string{"-fixed-cidr-v6"}, "", usageFn("IPv6 subnet for fixed IPs"))
|
|
cmd.Var(opts.NewIPOpt(&config.bridgeConfig.DefaultGatewayIPv4, ""), []string{"-default-gateway"}, usageFn("Container default gateway IPv4 address"))
|
|
cmd.Var(opts.NewIPOpt(&config.bridgeConfig.DefaultGatewayIPv6, ""), []string{"-default-gateway-v6"}, usageFn("Container default gateway IPv6 address"))
|
|
cmd.BoolVar(&config.bridgeConfig.InterContainerCommunication, []string{"#icc", "-icc"}, true, usageFn("Enable inter-container communication"))
|
|
cmd.Var(opts.NewIPOpt(&config.bridgeConfig.DefaultIP, "0.0.0.0"), []string{"#ip", "-ip"}, usageFn("Default IP when binding container ports"))
|
|
cmd.BoolVar(&config.bridgeConfig.EnableUserlandProxy, []string{"-userland-proxy"}, true, usageFn("Use userland proxy for loopback traffic"))
|
|
cmd.BoolVar(&config.EnableCors, []string{"#api-enable-cors", "#-api-enable-cors"}, false, usageFn("Enable CORS headers in the remote API, this is deprecated by --api-cors-header"))
|
|
cmd.StringVar(&config.CgroupParent, []string{"-cgroup-parent"}, "", usageFn("Set parent cgroup for all containers"))
|
|
cmd.StringVar(&config.RemappedRoot, []string{"-userns-remap"}, "", usageFn("User/Group setting for user namespaces"))
|
|
cmd.StringVar(&config.ContainerdAddr, []string{"-containerd"}, "", usageFn("Path to containerd socket"))
|
|
cmd.BoolVar(&config.LiveRestoreEnabled, []string{"-live-restore"}, false, usageFn("Enable live restore of docker when containers are still running"))
|
|
config.Runtimes = make(map[string]types.Runtime)
|
|
cmd.Var(runconfigopts.NewNamedRuntimeOpt("runtimes", &config.Runtimes, stockRuntimeName), []string{"-add-runtime"}, usageFn("Register an additional OCI compatible runtime"))
|
|
cmd.StringVar(&config.DefaultRuntime, []string{"-default-runtime"}, stockRuntimeName, usageFn("Default OCI runtime for containers"))
|
|
cmd.IntVar(&config.OOMScoreAdjust, []string{"-oom-score-adjust"}, -500, usageFn("Set the oom_score_adj for the daemon"))
|
|
|
|
config.attachExperimentalFlags(cmd, usageFn)
|
|
}
|
|
|
|
// GetRuntime returns the runtime path and arguments for a given
|
|
// runtime name
|
|
func (config *Config) GetRuntime(name string) *types.Runtime {
|
|
config.reloadLock.Lock()
|
|
defer config.reloadLock.Unlock()
|
|
if rt, ok := config.Runtimes[name]; ok {
|
|
return &rt
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// GetDefaultRuntimeName returns the current default runtime
|
|
func (config *Config) GetDefaultRuntimeName() string {
|
|
config.reloadLock.Lock()
|
|
rt := config.DefaultRuntime
|
|
config.reloadLock.Unlock()
|
|
|
|
return rt
|
|
}
|
|
|
|
// GetAllRuntimes returns a copy of the runtimes map
|
|
func (config *Config) GetAllRuntimes() map[string]types.Runtime {
|
|
config.reloadLock.Lock()
|
|
rts := config.Runtimes
|
|
config.reloadLock.Unlock()
|
|
return rts
|
|
}
|
|
|
|
// GetExecRoot returns the user configured Exec-root
|
|
func (config *Config) GetExecRoot() string {
|
|
return config.ExecRoot
|
|
}
|
|
|
|
func (config *Config) isSwarmCompatible() error {
|
|
if config.ClusterStore != "" || config.ClusterAdvertise != "" {
|
|
return fmt.Errorf("--cluster-store and --cluster-advertise daemon configurations are incompatible with swarm mode")
|
|
}
|
|
if config.LiveRestoreEnabled {
|
|
return fmt.Errorf("--live-restore daemon configuration is incompatible with swarm mode")
|
|
}
|
|
return nil
|
|
}
|