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-rw-r--r--cmd/podman/shared/create.go837
1 files changed, 837 insertions, 0 deletions
diff --git a/cmd/podman/shared/create.go b/cmd/podman/shared/create.go
new file mode 100644
index 000000000..bfd05d53e
--- /dev/null
+++ b/cmd/podman/shared/create.go
@@ -0,0 +1,837 @@
+package shared
+
+import (
+ "context"
+ "encoding/json"
+ "fmt"
+ "io"
+ "io/ioutil"
+ "os"
+ "path/filepath"
+ "strconv"
+ "strings"
+ "syscall"
+
+ "github.com/containers/image/manifest"
+ "github.com/containers/libpod/cmd/podman/cliconfig"
+ "github.com/containers/libpod/cmd/podman/shared/parse"
+ "github.com/containers/libpod/libpod"
+ "github.com/containers/libpod/libpod/image"
+ ann "github.com/containers/libpod/pkg/annotations"
+ "github.com/containers/libpod/pkg/inspect"
+ ns "github.com/containers/libpod/pkg/namespaces"
+ "github.com/containers/libpod/pkg/rootless"
+ cc "github.com/containers/libpod/pkg/spec"
+ "github.com/containers/libpod/pkg/util"
+ "github.com/docker/docker/pkg/signal"
+ "github.com/docker/go-connections/nat"
+ "github.com/docker/go-units"
+ spec "github.com/opencontainers/runtime-spec/specs-go"
+ "github.com/opencontainers/selinux/go-selinux/label"
+ "github.com/opentracing/opentracing-go"
+ "github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
+)
+
+// getContext returns a non-nil, empty context
+func getContext() context.Context {
+ return context.TODO()
+}
+
+func CreateContainer(ctx context.Context, c *cliconfig.PodmanCommand, runtime *libpod.Runtime) (*libpod.Container, *cc.CreateConfig, error) {
+ var (
+ hasHealthCheck bool
+ healthCheck *manifest.Schema2HealthConfig
+ )
+ if c.Bool("trace") {
+ span, _ := opentracing.StartSpanFromContext(ctx, "createContainer")
+ defer span.Finish()
+ }
+
+ rtc := runtime.GetConfig()
+ rootfs := ""
+ if c.Bool("rootfs") {
+ rootfs = c.InputArgs[0]
+ }
+
+ var err error
+ var cidFile *os.File
+ if c.IsSet("cidfile") && os.Geteuid() == 0 {
+ cidFile, err = libpod.OpenExclusiveFile(c.String("cidfile"))
+ if err != nil && os.IsExist(err) {
+ return nil, nil, errors.Errorf("container id file exists. Ensure another container is not using it or delete %s", c.String("cidfile"))
+ }
+ if err != nil {
+ return nil, nil, errors.Errorf("error opening cidfile %s", c.String("cidfile"))
+ }
+ defer cidFile.Close()
+ defer cidFile.Sync()
+ }
+
+ imageName := ""
+ var data *inspect.ImageData = nil
+
+ if rootfs == "" && !rootless.SkipStorageSetup() {
+ var writer io.Writer
+ if !c.Bool("quiet") {
+ writer = os.Stderr
+ }
+
+ newImage, err := runtime.ImageRuntime().New(ctx, c.InputArgs[0], rtc.SignaturePolicyPath, "", writer, nil, image.SigningOptions{}, false, nil)
+ if err != nil {
+ return nil, nil, err
+ }
+ data, err = newImage.Inspect(ctx)
+ names := newImage.Names()
+ if len(names) > 0 {
+ imageName = names[0]
+ } else {
+ imageName = newImage.ID()
+ }
+
+ // add healthcheck if it exists AND is correct mediatype
+ _, mediaType, err := newImage.Manifest(ctx)
+ if err != nil {
+ return nil, nil, errors.Wrapf(err, "unable to determine mediatype of image %s", newImage.ID())
+ }
+ if mediaType == manifest.DockerV2Schema2MediaType {
+ healthCheck, err = newImage.GetHealthCheck(ctx)
+ if err != nil {
+ return nil, nil, errors.Wrapf(err, "unable to get healthcheck for %s", c.InputArgs[0])
+ }
+ if healthCheck != nil {
+ hasHealthCheck = true
+ }
+ }
+ }
+ createConfig, err := ParseCreateOpts(ctx, c, runtime, imageName, data)
+ if err != nil {
+ return nil, nil, err
+ }
+
+ // Because parseCreateOpts does derive anything from the image, we add health check
+ // at this point. The rest is done by WithOptions.
+ createConfig.HasHealthCheck = hasHealthCheck
+ createConfig.HealthCheck = healthCheck
+
+ ctr, err := CreateContainerFromCreateConfig(runtime, createConfig, ctx, nil)
+ if err != nil {
+ return nil, nil, err
+ }
+ if cidFile != nil {
+ _, err = cidFile.WriteString(ctr.ID())
+ if err != nil {
+ logrus.Error(err)
+ }
+
+ }
+
+ logrus.Debugf("New container created %q", ctr.ID())
+ return ctr, createConfig, nil
+}
+
+func parseSecurityOpt(config *cc.CreateConfig, securityOpts []string) error {
+ var (
+ labelOpts []string
+ )
+
+ if config.PidMode.IsHost() {
+ labelOpts = append(labelOpts, label.DisableSecOpt()...)
+ } else if config.PidMode.IsContainer() {
+ ctr, err := config.Runtime.LookupContainer(config.PidMode.Container())
+ if err != nil {
+ return errors.Wrapf(err, "container %q not found", config.PidMode.Container())
+ }
+ secopts, err := label.DupSecOpt(ctr.ProcessLabel())
+ if err != nil {
+ return errors.Wrapf(err, "failed to duplicate label %q ", ctr.ProcessLabel())
+ }
+ labelOpts = append(labelOpts, secopts...)
+ }
+
+ if config.IpcMode.IsHost() {
+ labelOpts = append(labelOpts, label.DisableSecOpt()...)
+ } else if config.IpcMode.IsContainer() {
+ ctr, err := config.Runtime.LookupContainer(config.IpcMode.Container())
+ if err != nil {
+ return errors.Wrapf(err, "container %q not found", config.IpcMode.Container())
+ }
+ secopts, err := label.DupSecOpt(ctr.ProcessLabel())
+ if err != nil {
+ return errors.Wrapf(err, "failed to duplicate label %q ", ctr.ProcessLabel())
+ }
+ labelOpts = append(labelOpts, secopts...)
+ }
+
+ for _, opt := range securityOpts {
+ if opt == "no-new-privileges" {
+ config.NoNewPrivs = true
+ } else {
+ con := strings.SplitN(opt, "=", 2)
+ if len(con) != 2 {
+ return fmt.Errorf("Invalid --security-opt 1: %q", opt)
+ }
+
+ switch con[0] {
+ case "label":
+ labelOpts = append(labelOpts, con[1])
+ case "apparmor":
+ config.ApparmorProfile = con[1]
+ case "seccomp":
+ config.SeccompProfilePath = con[1]
+ default:
+ return fmt.Errorf("Invalid --security-opt 2: %q", opt)
+ }
+ }
+ }
+
+ if config.SeccompProfilePath == "" {
+ if _, err := os.Stat(libpod.SeccompOverridePath); err == nil {
+ config.SeccompProfilePath = libpod.SeccompOverridePath
+ } else {
+ if !os.IsNotExist(err) {
+ return errors.Wrapf(err, "can't check if %q exists", libpod.SeccompOverridePath)
+ }
+ if _, err := os.Stat(libpod.SeccompDefaultPath); err != nil {
+ if !os.IsNotExist(err) {
+ return errors.Wrapf(err, "can't check if %q exists", libpod.SeccompDefaultPath)
+ }
+ } else {
+ config.SeccompProfilePath = libpod.SeccompDefaultPath
+ }
+ }
+ }
+ config.LabelOpts = labelOpts
+ return nil
+}
+
+func configureEntrypoint(c *cliconfig.PodmanCommand, data *inspect.ImageData) []string {
+ entrypoint := []string{}
+ if c.IsSet("entrypoint") {
+ // Force entrypoint to ""
+ if c.String("entrypoint") == "" {
+ return entrypoint
+ }
+ // Check if entrypoint specified is json
+ if err := json.Unmarshal([]byte(c.String("entrypoint")), &entrypoint); err == nil {
+ return entrypoint
+ }
+ // Return entrypoint as a single command
+ return []string{c.String("entrypoint")}
+ }
+ if data != nil {
+ return data.Config.Entrypoint
+ }
+ return entrypoint
+}
+
+func configurePod(c *cliconfig.PodmanCommand, runtime *libpod.Runtime, namespaces map[string]string, podName string) (map[string]string, error) {
+ pod, err := runtime.LookupPod(podName)
+ if err != nil {
+ return namespaces, err
+ }
+ podInfraID, err := pod.InfraContainerID()
+ if err != nil {
+ return namespaces, err
+ }
+ if (namespaces["pid"] == cc.Pod) || (!c.IsSet("pid") && pod.SharesPID()) {
+ namespaces["pid"] = fmt.Sprintf("container:%s", podInfraID)
+ }
+ if (namespaces["net"] == cc.Pod) || (!c.IsSet("net") && !c.IsSet("network") && pod.SharesNet()) {
+ namespaces["net"] = fmt.Sprintf("container:%s", podInfraID)
+ }
+ if (namespaces["user"] == cc.Pod) || (!c.IsSet("user") && pod.SharesUser()) {
+ namespaces["user"] = fmt.Sprintf("container:%s", podInfraID)
+ }
+ if (namespaces["ipc"] == cc.Pod) || (!c.IsSet("ipc") && pod.SharesIPC()) {
+ namespaces["ipc"] = fmt.Sprintf("container:%s", podInfraID)
+ }
+ if (namespaces["uts"] == cc.Pod) || (!c.IsSet("uts") && pod.SharesUTS()) {
+ namespaces["uts"] = fmt.Sprintf("container:%s", podInfraID)
+ }
+ return namespaces, nil
+}
+
+// Parses CLI options related to container creation into a config which can be
+// parsed into an OCI runtime spec
+func ParseCreateOpts(ctx context.Context, c *cliconfig.PodmanCommand, runtime *libpod.Runtime, imageName string, data *inspect.ImageData) (*cc.CreateConfig, error) {
+ var (
+ inputCommand, command []string
+ memoryLimit, memoryReservation, memorySwap, memoryKernel int64
+ blkioWeight uint16
+ namespaces map[string]string
+ )
+ if c.IsSet("restart") {
+ return nil, errors.Errorf("--restart option is not supported.\nUse systemd unit files for restarting containers")
+ }
+
+ idmappings, err := util.ParseIDMapping(c.StringSlice("uidmap"), c.StringSlice("gidmap"), c.String("subuidname"), c.String("subgidname"))
+ if err != nil {
+ return nil, err
+ }
+
+ if c.String("mac-address") != "" {
+ return nil, errors.Errorf("--mac-address option not currently supported")
+ }
+
+ imageID := ""
+
+ inputCommand = c.InputArgs[1:]
+ if data != nil {
+ imageID = data.ID
+ }
+
+ rootfs := ""
+ if c.Bool("rootfs") {
+ rootfs = c.InputArgs[0]
+ }
+
+ sysctl, err := validateSysctl(c.StringSlice("sysctl"))
+ if err != nil {
+ return nil, errors.Wrapf(err, "invalid value for sysctl")
+ }
+
+ if c.String("memory") != "" {
+ memoryLimit, err = units.RAMInBytes(c.String("memory"))
+ if err != nil {
+ return nil, errors.Wrapf(err, "invalid value for memory")
+ }
+ }
+ if c.String("memory-reservation") != "" {
+ memoryReservation, err = units.RAMInBytes(c.String("memory-reservation"))
+ if err != nil {
+ return nil, errors.Wrapf(err, "invalid value for memory-reservation")
+ }
+ }
+ if c.String("memory-swap") != "" {
+ memorySwap, err = units.RAMInBytes(c.String("memory-swap"))
+ if err != nil {
+ return nil, errors.Wrapf(err, "invalid value for memory-swap")
+ }
+ }
+ if c.String("kernel-memory") != "" {
+ memoryKernel, err = units.RAMInBytes(c.String("kernel-memory"))
+ if err != nil {
+ return nil, errors.Wrapf(err, "invalid value for kernel-memory")
+ }
+ }
+ if c.String("blkio-weight") != "" {
+ u, err := strconv.ParseUint(c.String("blkio-weight"), 10, 16)
+ if err != nil {
+ return nil, errors.Wrapf(err, "invalid value for blkio-weight")
+ }
+ blkioWeight = uint16(u)
+ }
+ var mountList []spec.Mount
+ if mountList, err = parseMounts(c.StringArray("mount")); err != nil {
+ return nil, err
+ }
+
+ if err = parseVolumes(c.StringArray("volume")); err != nil {
+ return nil, err
+ }
+
+ if err = parseVolumesFrom(c.StringSlice("volumes-from")); err != nil {
+ return nil, err
+ }
+
+ tty := c.Bool("tty")
+
+ if c.Flag("cpu-period").Changed && c.Flag("cpus").Changed {
+ return nil, errors.Errorf("--cpu-period and --cpus cannot be set together")
+ }
+ if c.Flag("cpu-quota").Changed && c.Flag("cpus").Changed {
+ return nil, errors.Errorf("--cpu-quota and --cpus cannot be set together")
+ }
+
+ // EXPOSED PORTS
+ var portBindings map[nat.Port][]nat.PortBinding
+ if data != nil {
+ portBindings, err = cc.ExposedPorts(c.StringSlice("expose"), c.StringSlice("publish"), c.Bool("publish-all"), data.Config.ExposedPorts)
+ if err != nil {
+ return nil, err
+ }
+ }
+
+ // Kernel Namespaces
+ // TODO Fix handling of namespace from pod
+ // Instead of integrating here, should be done in libpod
+ // However, that also involves setting up security opts
+ // when the pod's namespace is integrated
+ namespaceNet := c.String("network")
+ if c.Flag("net").Changed {
+ namespaceNet = c.String("net")
+ }
+ namespaces = map[string]string{
+ "pid": c.String("pid"),
+ "net": namespaceNet,
+ "ipc": c.String("ipc"),
+ "user": c.String("userns"),
+ "uts": c.String("uts"),
+ }
+
+ originalPodName := c.String("pod")
+ podName := strings.Replace(originalPodName, "new:", "", 1)
+ // after we strip out :new, make sure there is something left for a pod name
+ if len(podName) < 1 && c.IsSet("pod") {
+ return nil, errors.Errorf("new pod name must be at least one character")
+ }
+ if c.IsSet("pod") {
+ if strings.HasPrefix(originalPodName, "new:") {
+ if rootless.IsRootless() {
+ // To create a new pod, we must immediately create the userns.
+ became, ret, err := rootless.BecomeRootInUserNS()
+ if err != nil {
+ return nil, err
+ }
+ if became {
+ os.Exit(ret)
+ }
+ }
+ // pod does not exist; lets make it
+ var podOptions []libpod.PodCreateOption
+ podOptions = append(podOptions, libpod.WithPodName(podName), libpod.WithInfraContainer(), libpod.WithPodCgroups())
+ if len(portBindings) > 0 {
+ ociPortBindings, err := cc.NatToOCIPortBindings(portBindings)
+ if err != nil {
+ return nil, err
+ }
+ podOptions = append(podOptions, libpod.WithInfraContainerPorts(ociPortBindings))
+ }
+
+ podNsOptions, err := GetNamespaceOptions(strings.Split(DefaultKernelNamespaces, ","))
+ if err != nil {
+ return nil, err
+ }
+ podOptions = append(podOptions, podNsOptions...)
+ // make pod
+ pod, err := runtime.NewPod(ctx, podOptions...)
+ if err != nil {
+ return nil, err
+ }
+ logrus.Debugf("pod %s created by new container request", pod.ID())
+
+ // The container now cannot have port bindings; so we reset the map
+ portBindings = make(map[nat.Port][]nat.PortBinding)
+ }
+ namespaces, err = configurePod(c, runtime, namespaces, podName)
+ if err != nil {
+ return nil, err
+ }
+ }
+
+ pidMode := ns.PidMode(namespaces["pid"])
+ if !cc.Valid(string(pidMode), pidMode) {
+ return nil, errors.Errorf("--pid %q is not valid", c.String("pid"))
+ }
+
+ usernsMode := ns.UsernsMode(namespaces["user"])
+ if !cc.Valid(string(usernsMode), usernsMode) {
+ return nil, errors.Errorf("--userns %q is not valid", namespaces["user"])
+ }
+
+ utsMode := ns.UTSMode(namespaces["uts"])
+ if !cc.Valid(string(utsMode), utsMode) {
+ return nil, errors.Errorf("--uts %q is not valid", namespaces["uts"])
+ }
+
+ ipcMode := ns.IpcMode(namespaces["ipc"])
+ if !cc.Valid(string(ipcMode), ipcMode) {
+ return nil, errors.Errorf("--ipc %q is not valid", ipcMode)
+ }
+
+ // Make sure if network is set to container namespace, port binding is not also being asked for
+ netMode := ns.NetworkMode(namespaces["net"])
+ if netMode.IsContainer() {
+ if len(portBindings) > 0 {
+ return nil, errors.Errorf("cannot set port bindings on an existing container network namespace")
+ }
+ }
+
+ // USER
+ user := c.String("user")
+ if user == "" {
+ if data == nil {
+ user = "0"
+ } else {
+ user = data.Config.User
+ }
+ }
+
+ // STOP SIGNAL
+ stopSignal := syscall.SIGTERM
+ signalString := ""
+ if data != nil {
+ signalString = data.Config.StopSignal
+ }
+ if c.IsSet("stop-signal") {
+ signalString = c.String("stop-signal")
+ }
+ if signalString != "" {
+ stopSignal, err = signal.ParseSignal(signalString)
+ if err != nil {
+ return nil, err
+ }
+ }
+
+ // ENVIRONMENT VARIABLES
+ env := defaultEnvVariables
+ if data != nil {
+ for _, e := range data.Config.Env {
+ split := strings.SplitN(e, "=", 2)
+ if len(split) > 1 {
+ env[split[0]] = split[1]
+ } else {
+ env[split[0]] = ""
+ }
+ }
+ }
+ if err := parse.ReadKVStrings(env, c.StringSlice("env-file"), c.StringSlice("env")); err != nil {
+ return nil, errors.Wrapf(err, "unable to process environment variables")
+ }
+
+ // LABEL VARIABLES
+ labels, err := GetAllLabels(c.StringSlice("label-file"), c.StringArray("label"))
+ if err != nil {
+ return nil, errors.Wrapf(err, "unable to process labels")
+ }
+ if data != nil {
+ for key, val := range data.Config.Labels {
+ if _, ok := labels[key]; !ok {
+ labels[key] = val
+ }
+ }
+ }
+
+ // ANNOTATIONS
+ annotations := make(map[string]string)
+ // First, add our default annotations
+ annotations[ann.ContainerType] = "sandbox"
+ annotations[ann.TTY] = "false"
+ if tty {
+ annotations[ann.TTY] = "true"
+ }
+ if data != nil {
+ // Next, add annotations from the image
+ for key, value := range data.Annotations {
+ annotations[key] = value
+ }
+ }
+ // Last, add user annotations
+ for _, annotation := range c.StringSlice("annotation") {
+ splitAnnotation := strings.SplitN(annotation, "=", 2)
+ if len(splitAnnotation) < 2 {
+ return nil, errors.Errorf("Annotations must be formatted KEY=VALUE")
+ }
+ annotations[splitAnnotation[0]] = splitAnnotation[1]
+ }
+
+ // WORKING DIRECTORY
+ workDir := "/"
+ if c.IsSet("workdir") || c.IsSet("w") {
+ workDir = c.String("workdir")
+ } else if data != nil && data.Config.WorkingDir != "" {
+ workDir = data.Config.WorkingDir
+ }
+
+ entrypoint := configureEntrypoint(c, data)
+ // Build the command
+ // If we have an entry point, it goes first
+ if len(entrypoint) > 0 {
+ command = entrypoint
+ }
+ if len(inputCommand) > 0 {
+ // User command overrides data CMD
+ command = append(command, inputCommand...)
+ } else if data != nil && len(data.Config.Cmd) > 0 && !c.IsSet("entrypoint") {
+ // If not user command, add CMD
+ command = append(command, data.Config.Cmd...)
+ }
+
+ if data != nil && len(command) == 0 {
+ return nil, errors.Errorf("No command specified on command line or as CMD or ENTRYPOINT in this image")
+ }
+
+ // SHM Size
+ shmSize, err := units.FromHumanSize(c.String("shm-size"))
+ if err != nil {
+ return nil, errors.Wrapf(err, "unable to translate --shm-size")
+ }
+
+ // Verify the additional hosts are in correct format
+ for _, host := range c.StringSlice("add-host") {
+ if _, err := parse.ValidateExtraHost(host); err != nil {
+ return nil, err
+ }
+ }
+
+ // Check for . and dns-search domains
+ if util.StringInSlice(".", c.StringSlice("dns-search")) && len(c.StringSlice("dns-search")) > 1 {
+ return nil, errors.Errorf("cannot pass additional search domains when also specifying '.'")
+ }
+
+ // Validate domains are good
+ for _, dom := range c.StringSlice("dns-search") {
+ if _, err := parse.ValidateDomain(dom); err != nil {
+ return nil, err
+ }
+ }
+
+ var ImageVolumes map[string]struct{}
+ if data != nil && c.String("image-volume") != "ignore" {
+ ImageVolumes = data.Config.Volumes
+ }
+
+ var imageVolType = map[string]string{
+ "bind": "",
+ "tmpfs": "",
+ "ignore": "",
+ }
+ if _, ok := imageVolType[c.String("image-volume")]; !ok {
+ return nil, errors.Errorf("invalid image-volume type %q. Pick one of bind, tmpfs, or ignore", c.String("image-volume"))
+ }
+
+ var systemd bool
+ if command != nil && c.Bool("systemd") && ((filepath.Base(command[0]) == "init") || (filepath.Base(command[0]) == "systemd")) {
+ systemd = true
+ if signalString == "" {
+ stopSignal, err = signal.ParseSignal("RTMIN+3")
+ if err != nil {
+ return nil, errors.Wrapf(err, "error parsing systemd signal")
+ }
+ }
+ }
+ // This is done because cobra cannot have two aliased flags. So we have to check
+ // both
+ network := c.String("network")
+ if c.Flag("net").Changed {
+ network = c.String("net")
+ }
+
+ var memorySwappiness int64
+ if c.Flags().Lookup("memory-swappiness") != nil {
+ memorySwappiness, _ = c.Flags().GetInt64("memory-swappiness")
+ }
+ config := &cc.CreateConfig{
+ Runtime: runtime,
+ Annotations: annotations,
+ BuiltinImgVolumes: ImageVolumes,
+ ConmonPidFile: c.String("conmon-pidfile"),
+ ImageVolumeType: c.String("image-volume"),
+ CapAdd: c.StringSlice("cap-add"),
+ CapDrop: c.StringSlice("cap-drop"),
+ CgroupParent: c.String("cgroup-parent"),
+ Command: command,
+ Detach: c.Bool("detach"),
+ Devices: c.StringSlice("device"),
+ DNSOpt: c.StringSlice("dns-opt"),
+ DNSSearch: c.StringSlice("dns-search"),
+ DNSServers: c.StringSlice("dns"),
+ Entrypoint: entrypoint,
+ Env: env,
+ //ExposedPorts: ports,
+ GroupAdd: c.StringSlice("group-add"),
+ Hostname: c.String("hostname"),
+ HostAdd: c.StringSlice("add-host"),
+ IDMappings: idmappings,
+ Image: imageName,
+ ImageID: imageID,
+ Interactive: c.Bool("interactive"),
+ //IP6Address: c.String("ipv6"), // Not implemented yet - needs CNI support for static v6
+ IPAddress: c.String("ip"),
+ Labels: labels,
+ //LinkLocalIP: c.StringSlice("link-local-ip"), // Not implemented yet
+ LogDriver: c.String("log-driver"),
+ LogDriverOpt: c.StringSlice("log-opt"),
+ MacAddress: c.String("mac-address"),
+ Name: c.String("name"),
+ Network: network,
+ //NetworkAlias: c.StringSlice("network-alias"), // Not implemented - does this make sense in Podman?
+ IpcMode: ipcMode,
+ NetMode: netMode,
+ UtsMode: utsMode,
+ PidMode: pidMode,
+ Pod: podName,
+ Privileged: c.Bool("privileged"),
+ Publish: c.StringSlice("publish"),
+ PublishAll: c.Bool("publish-all"),
+ PortBindings: portBindings,
+ Quiet: c.Bool("quiet"),
+ ReadOnlyRootfs: c.Bool("read-only"),
+ Resources: cc.CreateResourceConfig{
+ BlkioWeight: blkioWeight,
+ BlkioWeightDevice: c.StringSlice("blkio-weight-device"),
+ CPUShares: c.Uint64("cpu-shares"),
+ CPUPeriod: c.Uint64("cpu-period"),
+ CPUsetCPUs: c.String("cpuset-cpus"),
+ CPUsetMems: c.String("cpuset-mems"),
+ CPUQuota: c.Int64("cpu-quota"),
+ CPURtPeriod: c.Uint64("cpu-rt-period"),
+ CPURtRuntime: c.Int64("cpu-rt-runtime"),
+ CPUs: c.Float64("cpus"),
+ DeviceReadBps: c.StringSlice("device-read-bps"),
+ DeviceReadIOps: c.StringSlice("device-read-iops"),
+ DeviceWriteBps: c.StringSlice("device-write-bps"),
+ DeviceWriteIOps: c.StringSlice("device-write-iops"),
+ DisableOomKiller: c.Bool("oom-kill-disable"),
+ ShmSize: shmSize,
+ Memory: memoryLimit,
+ MemoryReservation: memoryReservation,
+ MemorySwap: memorySwap,
+ MemorySwappiness: int(memorySwappiness),
+ KernelMemory: memoryKernel,
+ OomScoreAdj: c.Int("oom-score-adj"),
+ PidsLimit: c.Int64("pids-limit"),
+ Ulimit: c.StringSlice("ulimit"),
+ },
+ Rm: c.Bool("rm"),
+ StopSignal: stopSignal,
+ StopTimeout: c.Uint("stop-timeout"),
+ Sysctl: sysctl,
+ Systemd: systemd,
+ Tmpfs: c.StringSlice("tmpfs"),
+ Tty: tty,
+ User: user,
+ UsernsMode: usernsMode,
+ Mounts: mountList,
+ Volumes: c.StringArray("volume"),
+ WorkDir: workDir,
+ Rootfs: rootfs,
+ VolumesFrom: c.StringSlice("volumes-from"),
+ Syslog: c.GlobalFlags.Syslog,
+ }
+ if c.Bool("init") {
+ initPath := c.String("init-path")
+ if initPath == "" {
+ initPath = runtime.GetConfig().InitPath
+ }
+ if err := config.AddContainerInitBinary(initPath); err != nil {
+ return nil, err
+ }
+ }
+
+ if config.Privileged {
+ config.LabelOpts = label.DisableSecOpt()
+ } else {
+ if err := parseSecurityOpt(config, c.StringArray("security-opt")); err != nil {
+ return nil, err
+ }
+ }
+ config.SecurityOpts = c.StringArray("security-opt")
+ warnings, err := verifyContainerResources(config, false)
+ if err != nil {
+ return nil, err
+ }
+ for _, warning := range warnings {
+ fmt.Fprintln(os.Stderr, warning)
+ }
+ return config, nil
+}
+
+type namespace interface {
+ IsContainer() bool
+ Container() string
+}
+
+func joinOrCreateRootlessUserNamespace(createConfig *cc.CreateConfig, runtime *libpod.Runtime) (bool, int, error) {
+ if os.Geteuid() == 0 {
+ return false, 0, nil
+ }
+
+ if createConfig.Pod != "" {
+ pod, err := runtime.LookupPod(createConfig.Pod)
+ if err != nil {
+ return false, -1, err
+ }
+ inspect, err := pod.Inspect()
+ for _, ctr := range inspect.Containers {
+ prevCtr, err := runtime.LookupContainer(ctr.ID)
+ if err != nil {
+ return false, -1, err
+ }
+ s, err := prevCtr.State()
+ if err != nil {
+ return false, -1, err
+ }
+ if s != libpod.ContainerStateRunning && s != libpod.ContainerStatePaused {
+ continue
+ }
+ data, err := ioutil.ReadFile(prevCtr.Config().ConmonPidFile)
+ if err != nil {
+ return false, -1, errors.Wrapf(err, "cannot read conmon PID file %q", prevCtr.Config().ConmonPidFile)
+ }
+ conmonPid, err := strconv.Atoi(string(data))
+ if err != nil {
+ return false, -1, errors.Wrapf(err, "cannot parse PID %q", data)
+ }
+ return rootless.JoinDirectUserAndMountNS(uint(conmonPid))
+ }
+ }
+
+ namespacesStr := []string{string(createConfig.IpcMode), string(createConfig.NetMode), string(createConfig.UsernsMode), string(createConfig.PidMode), string(createConfig.UtsMode)}
+ for _, i := range namespacesStr {
+ if cc.IsNS(i) {
+ return rootless.JoinNSPath(cc.NS(i))
+ }
+ }
+
+ namespaces := []namespace{createConfig.IpcMode, createConfig.NetMode, createConfig.UsernsMode, createConfig.PidMode, createConfig.UtsMode}
+ for _, i := range namespaces {
+ if i.IsContainer() {
+ ctr, err := runtime.LookupContainer(i.Container())
+ if err != nil {
+ return false, -1, err
+ }
+ pid, err := ctr.PID()
+ if err != nil {
+ return false, -1, err
+ }
+ if pid == 0 {
+ if createConfig.Pod != "" {
+ continue
+ }
+ return false, -1, errors.Errorf("dependency container %s is not running", ctr.ID())
+ }
+ return rootless.JoinNS(uint(pid), 0)
+ }
+ }
+ return rootless.BecomeRootInUserNS()
+}
+
+func CreateContainerFromCreateConfig(r *libpod.Runtime, createConfig *cc.CreateConfig, ctx context.Context, pod *libpod.Pod) (*libpod.Container, error) {
+ runtimeSpec, err := cc.CreateConfigToOCISpec(createConfig)
+ if err != nil {
+ return nil, err
+ }
+
+ options, err := createConfig.GetContainerCreateOptions(r, pod)
+ if err != nil {
+ return nil, err
+ }
+ became, ret, err := joinOrCreateRootlessUserNamespace(createConfig, r)
+ if err != nil {
+ return nil, err
+ }
+ if became {
+ os.Exit(ret)
+ }
+
+ ctr, err := r.NewContainer(ctx, runtimeSpec, options...)
+ if err != nil {
+ return nil, err
+ }
+
+ createConfigJSON, err := json.Marshal(createConfig)
+ if err != nil {
+ return nil, err
+ }
+ if err := ctr.AddArtifact("create-config", createConfigJSON); err != nil {
+ return nil, err
+ }
+ return ctr, nil
+}
+
+var defaultEnvVariables = map[string]string{
+ "PATH": "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
+ "TERM": "xterm",
+}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-09-27 04:13:38 +0000