0ff0b8693e
The installCommonConfigFlags() function is meant for flags that are supported by all platforms, so removing it from that function. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
91 lines
5.3 KiB
Go
91 lines
5.3 KiB
Go
//go:build linux || freebsd
|
|
// +build linux freebsd
|
|
|
|
package main
|
|
|
|
import (
|
|
"os/exec"
|
|
"path/filepath"
|
|
|
|
"github.com/containerd/cgroups"
|
|
"github.com/docker/docker/daemon/config"
|
|
"github.com/docker/docker/opts"
|
|
"github.com/docker/docker/pkg/homedir"
|
|
"github.com/docker/docker/registry"
|
|
"github.com/docker/docker/rootless"
|
|
units "github.com/docker/go-units"
|
|
"github.com/pkg/errors"
|
|
"github.com/spf13/pflag"
|
|
)
|
|
|
|
// installConfigFlags adds flags to the pflag.FlagSet to configure the daemon
|
|
func installConfigFlags(conf *config.Config, flags *pflag.FlagSet) error {
|
|
// First handle install flags which are consistent cross-platform
|
|
if err := installCommonConfigFlags(conf, flags); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Then install flags common to unix platforms
|
|
installUnixConfigFlags(conf, flags)
|
|
|
|
conf.Ulimits = make(map[string]*units.Ulimit)
|
|
conf.NetworkConfig.DefaultAddressPools = opts.PoolsOpt{}
|
|
|
|
// Set default value for `--default-shm-size`
|
|
conf.ShmSize = opts.MemBytes(config.DefaultShmSize)
|
|
|
|
// Then platform-specific install flags
|
|
flags.StringVarP(&conf.GraphDriver, "storage-driver", "s", "", "Storage driver to use")
|
|
flags.BoolVar(&conf.EnableSelinuxSupport, "selinux-enabled", false, "Enable selinux support")
|
|
flags.Var(opts.NewNamedUlimitOpt("default-ulimits", &conf.Ulimits), "default-ulimit", "Default ulimits for containers")
|
|
flags.BoolVar(&conf.BridgeConfig.EnableIPTables, "iptables", true, "Enable addition of iptables rules")
|
|
flags.BoolVar(&conf.BridgeConfig.EnableIP6Tables, "ip6tables", false, "Enable addition of ip6tables rules (experimental)")
|
|
flags.BoolVar(&conf.BridgeConfig.EnableIPForward, "ip-forward", true, "Enable net.ipv4.ip_forward")
|
|
flags.BoolVar(&conf.BridgeConfig.EnableIPMasq, "ip-masq", true, "Enable IP masquerading")
|
|
flags.BoolVar(&conf.BridgeConfig.EnableIPv6, "ipv6", false, "Enable IPv6 networking")
|
|
flags.StringVar(&conf.BridgeConfig.FixedCIDRv6, "fixed-cidr-v6", "", "IPv6 subnet for fixed IPs")
|
|
flags.BoolVar(&conf.BridgeConfig.EnableUserlandProxy, "userland-proxy", true, "Use userland proxy for loopback traffic")
|
|
defaultUserlandProxyPath := ""
|
|
if rootless.RunningWithRootlessKit() {
|
|
var err error
|
|
// use rootlesskit-docker-proxy for exposing the ports in RootlessKit netns to the initial namespace.
|
|
defaultUserlandProxyPath, err = exec.LookPath(rootless.RootlessKitDockerProxyBinary)
|
|
if err != nil {
|
|
return errors.Wrapf(err, "running with RootlessKit, but %s not installed", rootless.RootlessKitDockerProxyBinary)
|
|
}
|
|
}
|
|
flags.StringVar(&conf.BridgeConfig.UserlandProxyPath, "userland-proxy-path", defaultUserlandProxyPath, "Path to the userland proxy binary")
|
|
flags.StringVar(&conf.CgroupParent, "cgroup-parent", "", "Set parent cgroup for all containers")
|
|
flags.StringVar(&conf.RemappedRoot, "userns-remap", "", "User/Group setting for user namespaces")
|
|
flags.BoolVar(&conf.LiveRestoreEnabled, "live-restore", false, "Enable live restore of docker when containers are still running")
|
|
flags.IntVar(&conf.OOMScoreAdjust, "oom-score-adjust", 0, "Set the oom_score_adj for the daemon")
|
|
flags.BoolVar(&conf.Init, "init", false, "Run an init in the container to forward signals and reap processes")
|
|
flags.StringVar(&conf.InitPath, "init-path", "", "Path to the docker-init binary")
|
|
flags.Int64Var(&conf.CPURealtimePeriod, "cpu-rt-period", 0, "Limit the CPU real-time period in microseconds for the parent cgroup for all containers (not supported with cgroups v2)")
|
|
flags.Int64Var(&conf.CPURealtimeRuntime, "cpu-rt-runtime", 0, "Limit the CPU real-time runtime in microseconds for the parent cgroup for all containers (not supported with cgroups v2)")
|
|
flags.StringVar(&conf.SeccompProfile, "seccomp-profile", config.SeccompProfileDefault, `Path to seccomp profile. Use "unconfined" to disable the default seccomp profile`)
|
|
flags.Var(&conf.ShmSize, "default-shm-size", "Default shm size for containers")
|
|
flags.BoolVar(&conf.NoNewPrivileges, "no-new-privileges", false, "Set no-new-privileges by default for new containers")
|
|
flags.StringVar(&conf.IpcMode, "default-ipc-mode", string(config.DefaultIpcMode), `Default mode for containers ipc ("shareable" | "private")`)
|
|
flags.Var(&conf.NetworkConfig.DefaultAddressPools, "default-address-pool", "Default address pools for node specific local networks")
|
|
// rootless needs to be explicitly specified for running "rootful" dockerd in rootless dockerd (#38702)
|
|
// Note that defaultUserlandProxyPath and honorXDG are configured according to the value of rootless.RunningWithRootlessKit, not the value of --rootless.
|
|
flags.BoolVar(&conf.Rootless, "rootless", rootless.RunningWithRootlessKit(), "Enable rootless mode; typically used with RootlessKit")
|
|
defaultCgroupNamespaceMode := config.DefaultCgroupNamespaceMode
|
|
if cgroups.Mode() != cgroups.Unified {
|
|
defaultCgroupNamespaceMode = config.DefaultCgroupV1NamespaceMode
|
|
}
|
|
flags.StringVar(&conf.CgroupNamespaceMode, "default-cgroupns-mode", string(defaultCgroupNamespaceMode), `Default mode for containers cgroup namespace ("host" | "private")`)
|
|
return nil
|
|
}
|
|
|
|
// configureCertsDir configures registry.CertsDir() depending on if the daemon
|
|
// is running in rootless mode or not.
|
|
func configureCertsDir() {
|
|
if rootless.RunningWithRootlessKit() {
|
|
configHome, err := homedir.GetConfigHome()
|
|
if err == nil {
|
|
registry.SetCertsDir(filepath.Join(configHome, "docker/certs.d"))
|
|
}
|
|
}
|
|
}
|