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Please refer to `docs/rootless.md`. TLDR: * Make sure `/etc/subuid` and `/etc/subgid` contain the entry for you * `dockerd-rootless.sh --experimental` * `docker -H unix://$XDG_RUNTIME_DIR/docker.sock run ...` Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
55 lines
3.3 KiB
Go
55 lines
3.3 KiB
Go
// +build linux freebsd
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package main
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import (
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"github.com/docker/docker/daemon/config"
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"github.com/docker/docker/opts"
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"github.com/docker/docker/rootless"
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"github.com/docker/go-units"
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"github.com/spf13/pflag"
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)
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// installConfigFlags adds flags to the pflag.FlagSet to configure the daemon
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func installConfigFlags(conf *config.Config, flags *pflag.FlagSet) error {
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// First handle install flags which are consistent cross-platform
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if err := installCommonConfigFlags(conf, flags); err != nil {
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return err
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}
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// Then install flags common to unix platforms
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installUnixConfigFlags(conf, flags)
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conf.Ulimits = make(map[string]*units.Ulimit)
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conf.NetworkConfig.DefaultAddressPools = opts.PoolsOpt{}
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// Set default value for `--default-shm-size`
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conf.ShmSize = opts.MemBytes(config.DefaultShmSize)
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// Then platform-specific install flags
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flags.BoolVar(&conf.EnableSelinuxSupport, "selinux-enabled", false, "Enable selinux support")
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flags.Var(opts.NewNamedUlimitOpt("default-ulimits", &conf.Ulimits), "default-ulimit", "Default ulimits for containers")
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flags.BoolVar(&conf.BridgeConfig.EnableIPTables, "iptables", true, "Enable addition of iptables rules")
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flags.BoolVar(&conf.BridgeConfig.EnableIPForward, "ip-forward", true, "Enable net.ipv4.ip_forward")
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flags.BoolVar(&conf.BridgeConfig.EnableIPMasq, "ip-masq", true, "Enable IP masquerading")
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flags.BoolVar(&conf.BridgeConfig.EnableIPv6, "ipv6", false, "Enable IPv6 networking")
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flags.StringVar(&conf.BridgeConfig.FixedCIDRv6, "fixed-cidr-v6", "", "IPv6 subnet for fixed IPs")
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flags.BoolVar(&conf.BridgeConfig.EnableUserlandProxy, "userland-proxy", true, "Use userland proxy for loopback traffic")
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flags.StringVar(&conf.BridgeConfig.UserlandProxyPath, "userland-proxy-path", "", "Path to the userland proxy binary")
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flags.StringVar(&conf.CgroupParent, "cgroup-parent", "", "Set parent cgroup for all containers")
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flags.StringVar(&conf.RemappedRoot, "userns-remap", "", "User/Group setting for user namespaces")
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flags.BoolVar(&conf.LiveRestoreEnabled, "live-restore", false, "Enable live restore of docker when containers are still running")
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flags.IntVar(&conf.OOMScoreAdjust, "oom-score-adjust", -500, "Set the oom_score_adj for the daemon")
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flags.BoolVar(&conf.Init, "init", false, "Run an init in the container to forward signals and reap processes")
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flags.StringVar(&conf.InitPath, "init-path", "", "Path to the docker-init binary")
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flags.Int64Var(&conf.CPURealtimePeriod, "cpu-rt-period", 0, "Limit the CPU real-time period in microseconds")
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flags.Int64Var(&conf.CPURealtimeRuntime, "cpu-rt-runtime", 0, "Limit the CPU real-time runtime in microseconds")
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flags.StringVar(&conf.SeccompProfile, "seccomp-profile", "", "Path to seccomp profile")
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flags.Var(&conf.ShmSize, "default-shm-size", "Default shm size for containers")
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flags.BoolVar(&conf.NoNewPrivileges, "no-new-privileges", false, "Set no-new-privileges by default for new containers")
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flags.StringVar(&conf.IpcMode, "default-ipc-mode", config.DefaultIpcMode, `Default mode for containers ipc ("shareable" | "private")`)
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flags.Var(&conf.NetworkConfig.DefaultAddressPools, "default-address-pool", "Default address pools for node specific local networks")
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// Mostly users don't need to set this flag explicitly.
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flags.BoolVar(&conf.Rootless, "rootless", rootless.RunningWithNonRootUsername(), "Enable rootless mode (experimental)")
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return nil
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}
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