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docker run: specify cgroup namespace mode with --cgroupns
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Signed-off-by: Rob Gulewich <[email protected]>
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@rgulewich
rgulewich committed Jul 30, 2019
1 parent e065302 commit bd828fd
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Showing 41 changed files with 269 additions and 192 deletions.
8 changes: 8 additions & 0 deletions cli/command/container/opts.go
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Expand Up @@ -70,6 +70,7 @@ type containerOptions struct {
pidMode string
utsMode string
usernsMode string
cgroupnsMode string
publishAll bool
stdin bool
tty bool
Expand Down Expand Up @@ -198,6 +199,7 @@ func addFlags(flags *pflag.FlagSet) *containerOptions {
flags.BoolVar(&copts.privileged, "privileged", false, "Give extended privileges to this container")
flags.Var(&copts.securityOpt, "security-opt", "Security Options")
flags.StringVar(&copts.usernsMode, "userns", "", "User namespace to use")
flags.StringVar(&copts.cgroupnsMode, "cgroupns", "", "Cgroup namespace to use")

// Network and port publishing flag
flags.Var(&copts.extraHosts, "add-host", "Add a custom host-to-IP mapping (host:ip)")
Expand Down Expand Up @@ -471,6 +473,11 @@ func parse(flags *pflag.FlagSet, copts *containerOptions, serverOS string) (*con
return nil, errors.Errorf("--userns: invalid USER mode")
}

cgroupnsMode := container.CgroupnsMode(copts.cgroupnsMode)
if !cgroupnsMode.Valid() {
return nil, errors.Errorf("--cgroupns: invalid CGROUP mode")
}

restartPolicy, err := opts.ParseRestartPolicy(copts.restartPolicy)
if err != nil {
return nil, err
Expand Down Expand Up @@ -622,6 +629,7 @@ func parse(flags *pflag.FlagSet, copts *containerOptions, serverOS string) (*con
PidMode: pidMode,
UTSMode: utsMode,
UsernsMode: usernsMode,
CgroupnsMode: cgroupnsMode,
CapAdd: strslice.StrSlice(copts.capAdd.GetAll()),
CapDrop: strslice.StrSlice(copts.capDrop.GetAll()),
GroupAdd: copts.groupAdd.GetAll(),
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1 change: 1 addition & 0 deletions cli/command/system/info_test.go
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Expand Up @@ -65,6 +65,7 @@ var sampleInfoNoSwarm = types.Info{
NEventsListener: 0,
KernelVersion: "4.4.0-87-generic",
OperatingSystem: "Ubuntu 16.04.3 LTS",
OSVersion: "",
OSType: "linux",
Architecture: "x86_64",
IndexServerAddress: "https://index.docker.io/v1/",
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2 changes: 1 addition & 1 deletion cli/command/system/testdata/docker-info-badsec.json.golden
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2 changes: 1 addition & 1 deletion cli/command/system/testdata/docker-info-daemon-warnings.json.golden
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2 changes: 1 addition & 1 deletion cli/command/system/testdata/docker-info-legacy-warnings.json.golden
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