diff options
Diffstat (limited to 'libpod')
-rw-r--r-- | libpod/container.go | 2 | ||||
-rw-r--r-- | libpod/container_api.go | 24 | ||||
-rw-r--r-- | libpod/container_inspect.go | 3 | ||||
-rw-r--r-- | libpod/container_internal.go | 2 | ||||
-rw-r--r-- | libpod/container_internal_linux.go | 182 | ||||
-rw-r--r-- | libpod/container_log_linux.go | 26 | ||||
-rw-r--r-- | libpod/define/checkpoint_restore.go | 32 | ||||
-rw-r--r-- | libpod/network/cni/cni_conversion.go | 15 | ||||
-rw-r--r-- | libpod/network/cni/cni_types.go | 15 | ||||
-rw-r--r-- | libpod/network/cni/config_test.go | 13 | ||||
-rw-r--r-- | libpod/network/cni/network.go | 7 | ||||
-rw-r--r-- | libpod/networking_linux.go | 62 | ||||
-rw-r--r-- | libpod/networking_machine.go | 121 | ||||
-rw-r--r-- | libpod/networking_slirp4netns.go | 4 | ||||
-rw-r--r-- | libpod/oci.go | 11 | ||||
-rw-r--r-- | libpod/oci_conmon_linux.go | 96 | ||||
-rw-r--r-- | libpod/oci_missing.go | 8 |
17 files changed, 437 insertions, 186 deletions
diff --git a/libpod/container.go b/libpod/container.go index 86989a02f..c38acb513 100644 --- a/libpod/container.go +++ b/libpod/container.go @@ -259,6 +259,8 @@ type ContainerSecret struct { GID uint32 // Mode is the mode of the secret file Mode uint32 + // Secret target inside container + Target string } // ContainerNetworkDescriptions describes the relationship between the CNI diff --git a/libpod/container_api.go b/libpod/container_api.go index 38223316e..a41bb03df 100644 --- a/libpod/container_api.go +++ b/libpod/container_api.go @@ -794,21 +794,29 @@ type ContainerCheckpointOptions struct { // container no PID 1 will be in the namespace and that is not // possible. Pod string + // PrintStats tells the API to fill out the statistics about + // how much time each component in the stack requires to + // checkpoint a container. + PrintStats bool } // Checkpoint checkpoints a container -func (c *Container) Checkpoint(ctx context.Context, options ContainerCheckpointOptions) error { +// The return values *define.CRIUCheckpointRestoreStatistics and int64 (time +// the runtime needs to checkpoint the container) are only set if +// options.PrintStats is set to true. Not setting options.PrintStats to true +// will return nil and 0. +func (c *Container) Checkpoint(ctx context.Context, options ContainerCheckpointOptions) (*define.CRIUCheckpointRestoreStatistics, int64, error) { logrus.Debugf("Trying to checkpoint container %s", c.ID()) if options.TargetFile != "" { if err := c.prepareCheckpointExport(); err != nil { - return err + return nil, 0, err } } if options.WithPrevious { if err := c.canWithPrevious(); err != nil { - return err + return nil, 0, err } } @@ -817,14 +825,18 @@ func (c *Container) Checkpoint(ctx context.Context, options ContainerCheckpointO defer c.lock.Unlock() if err := c.syncContainer(); err != nil { - return err + return nil, 0, err } } return c.checkpoint(ctx, options) } // Restore restores a container -func (c *Container) Restore(ctx context.Context, options ContainerCheckpointOptions) error { +// The return values *define.CRIUCheckpointRestoreStatistics and int64 (time +// the runtime needs to restore the container) are only set if +// options.PrintStats is set to true. Not setting options.PrintStats to true +// will return nil and 0. +func (c *Container) Restore(ctx context.Context, options ContainerCheckpointOptions) (*define.CRIUCheckpointRestoreStatistics, int64, error) { if options.Pod == "" { logrus.Debugf("Trying to restore container %s", c.ID()) } else { @@ -835,7 +847,7 @@ func (c *Container) Restore(ctx context.Context, options ContainerCheckpointOpti defer c.lock.Unlock() if err := c.syncContainer(); err != nil { - return err + return nil, 0, err } } defer c.newContainerEvent(events.Restore) diff --git a/libpod/container_inspect.go b/libpod/container_inspect.go index 277c3b960..0dae810de 100644 --- a/libpod/container_inspect.go +++ b/libpod/container_inspect.go @@ -300,8 +300,7 @@ func (c *Container) generateInspectContainerConfig(spec *spec.Spec) *define.Insp ctrConfig.User = c.config.User if spec.Process != nil { ctrConfig.Tty = spec.Process.Terminal - ctrConfig.Env = []string{} - ctrConfig.Env = append(ctrConfig.Env, spec.Process.Env...) + ctrConfig.Env = append([]string{}, spec.Process.Env...) ctrConfig.WorkingDir = spec.Process.Cwd } diff --git a/libpod/container_internal.go b/libpod/container_internal.go index de23a4aeb..4bf15be86 100644 --- a/libpod/container_internal.go +++ b/libpod/container_internal.go @@ -1089,7 +1089,7 @@ func (c *Container) init(ctx context.Context, retainRetries bool) error { } // With the spec complete, do an OCI create - if err := c.ociRuntime.CreateContainer(c, nil); err != nil { + if _, err = c.ociRuntime.CreateContainer(c, nil); err != nil { // Fedora 31 is carrying a patch to display improved error // messages to better handle the V2 transition. This is NOT // upstream in any OCI runtime. diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go index 91453574e..85b1e9139 100644 --- a/libpod/container_internal_linux.go +++ b/libpod/container_internal_linux.go @@ -709,18 +709,6 @@ func (c *Container) generateSpec(ctx context.Context) (*spec.Spec, error) { g.AddAnnotation(annotations.ContainerManager, annotations.ContainerManagerLibpod) } - // Only add container environment variable if not already present - foundContainerEnv := false - for _, env := range g.Config.Process.Env { - if strings.HasPrefix(env, "container=") { - foundContainerEnv = true - break - } - } - if !foundContainerEnv { - g.AddProcessEnv("container", "libpod") - } - cgroupPath, err := c.getOCICgroupPath() if err != nil { return nil, err @@ -1129,25 +1117,26 @@ func (c *Container) checkpointRestoreSupported(version int) error { return nil } -func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointOptions) error { +func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointOptions) (*define.CRIUCheckpointRestoreStatistics, int64, error) { if err := c.checkpointRestoreSupported(criu.MinCriuVersion); err != nil { - return err + return nil, 0, err } if c.state.State != define.ContainerStateRunning { - return errors.Wrapf(define.ErrCtrStateInvalid, "%q is not running, cannot checkpoint", c.state.State) + return nil, 0, errors.Wrapf(define.ErrCtrStateInvalid, "%q is not running, cannot checkpoint", c.state.State) } if c.AutoRemove() && options.TargetFile == "" { - return errors.Errorf("cannot checkpoint containers that have been started with '--rm' unless '--export' is used") + return nil, 0, errors.Errorf("cannot checkpoint containers that have been started with '--rm' unless '--export' is used") } if err := crutils.CRCreateFileWithLabel(c.bundlePath(), "dump.log", c.MountLabel()); err != nil { - return err + return nil, 0, err } - if err := c.ociRuntime.CheckpointContainer(c, options); err != nil { - return err + runtimeCheckpointDuration, err := c.ociRuntime.CheckpointContainer(c, options) + if err != nil { + return nil, 0, err } // Save network.status. This is needed to restore the container with @@ -1155,7 +1144,7 @@ func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointO // with one interface. // FIXME: will this break something? if _, err := metadata.WriteJSONFile(c.getNetworkStatus(), c.bundlePath(), metadata.NetworkStatusFile); err != nil { - return err + return nil, 0, err } defer c.newContainerEvent(events.Checkpoint) @@ -1165,13 +1154,13 @@ func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointO if options.WithPrevious { os.Remove(path.Join(c.CheckpointPath(), "parent")) if err := os.Symlink("../pre-checkpoint", path.Join(c.CheckpointPath(), "parent")); err != nil { - return err + return nil, 0, err } } if options.TargetFile != "" { if err := c.exportCheckpoint(options); err != nil { - return err + return nil, 0, err } } @@ -1183,8 +1172,35 @@ func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointO // Cleanup Storage and Network if err := c.cleanup(ctx); err != nil { - return err + return nil, 0, err + } + } + + criuStatistics, err := func() (*define.CRIUCheckpointRestoreStatistics, error) { + if !options.PrintStats { + return nil, nil + } + statsDirectory, err := os.Open(c.bundlePath()) + if err != nil { + return nil, errors.Wrapf(err, "Not able to open %q", c.bundlePath()) + } + + dumpStatistics, err := stats.CriuGetDumpStats(statsDirectory) + if err != nil { + return nil, errors.Wrap(err, "Displaying checkpointing statistics not possible") } + + return &define.CRIUCheckpointRestoreStatistics{ + FreezingTime: dumpStatistics.GetFreezingTime(), + FrozenTime: dumpStatistics.GetFrozenTime(), + MemdumpTime: dumpStatistics.GetMemdumpTime(), + MemwriteTime: dumpStatistics.GetMemwriteTime(), + PagesScanned: dumpStatistics.GetPagesScanned(), + PagesWritten: dumpStatistics.GetPagesWritten(), + }, nil + }() + if err != nil { + return nil, 0, err } if !options.Keep && !options.PreCheckPoint { @@ -1203,7 +1219,7 @@ func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointO } c.state.FinishedTime = time.Now() - return c.save() + return criuStatistics, runtimeCheckpointDuration, c.save() } func (c *Container) importCheckpoint(input string) error { @@ -1236,7 +1252,7 @@ func (c *Container) importPreCheckpoint(input string) error { return nil } -func (c *Container) restore(ctx context.Context, options ContainerCheckpointOptions) (retErr error) { +func (c *Container) restore(ctx context.Context, options ContainerCheckpointOptions) (criuStatistics *define.CRIUCheckpointRestoreStatistics, runtimeRestoreDuration int64, retErr error) { minCriuVersion := func() int { if options.Pod == "" { return criu.MinCriuVersion @@ -1244,37 +1260,37 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti return criu.PodCriuVersion }() if err := c.checkpointRestoreSupported(minCriuVersion); err != nil { - return err + return nil, 0, err } if options.Pod != "" && !crutils.CRRuntimeSupportsPodCheckpointRestore(c.ociRuntime.Path()) { - return errors.Errorf("runtime %s does not support pod restore", c.ociRuntime.Path()) + return nil, 0, errors.Errorf("runtime %s does not support pod restore", c.ociRuntime.Path()) } if !c.ensureState(define.ContainerStateConfigured, define.ContainerStateExited) { - return errors.Wrapf(define.ErrCtrStateInvalid, "container %s is running or paused, cannot restore", c.ID()) + return nil, 0, errors.Wrapf(define.ErrCtrStateInvalid, "container %s is running or paused, cannot restore", c.ID()) } if options.ImportPrevious != "" { if err := c.importPreCheckpoint(options.ImportPrevious); err != nil { - return err + return nil, 0, err } } if options.TargetFile != "" { if err := c.importCheckpoint(options.TargetFile); err != nil { - return err + return nil, 0, err } } // Let's try to stat() CRIU's inventory file. If it does not exist, it makes // no sense to try a restore. This is a minimal check if a checkpoint exist. if _, err := os.Stat(filepath.Join(c.CheckpointPath(), "inventory.img")); os.IsNotExist(err) { - return errors.Wrapf(err, "a complete checkpoint for this container cannot be found, cannot restore") + return nil, 0, errors.Wrapf(err, "a complete checkpoint for this container cannot be found, cannot restore") } if err := crutils.CRCreateFileWithLabel(c.bundlePath(), "restore.log", c.MountLabel()); err != nil { - return err + return nil, 0, err } // If a container is restored multiple times from an exported checkpoint with @@ -1311,7 +1327,7 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti // container with the same networks settings as during checkpointing. aliases, err := c.GetAllNetworkAliases() if err != nil { - return err + return nil, 0, err } netOpts := make(map[string]types.PerNetworkOptions, len(netStatus)) for network, status := range netStatus { @@ -1336,7 +1352,7 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti if perNetOpts.InterfaceName == "" { eth, exists := c.state.NetInterfaceDescriptions.getInterfaceByName(network) if !exists { - return errors.Errorf("no network interface name for container %s on network %s", c.config.ID, network) + return nil, 0, errors.Errorf("no network interface name for container %s on network %s", c.config.ID, network) } perNetOpts.InterfaceName = eth } @@ -1354,7 +1370,7 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti }() if err := c.prepare(); err != nil { - return err + return nil, 0, err } // Read config @@ -1363,7 +1379,7 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti g, err := generate.NewFromFile(jsonPath) if err != nil { logrus.Debugf("generate.NewFromFile failed with %v", err) - return err + return nil, 0, err } // Restoring from an import means that we are doing migration @@ -1379,7 +1395,7 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti } if err := g.AddOrReplaceLinuxNamespace(string(spec.NetworkNamespace), netNSPath); err != nil { - return err + return nil, 0, err } } @@ -1388,23 +1404,23 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti // the ones from the infrastructure container. pod, err := c.runtime.LookupPod(options.Pod) if err != nil { - return errors.Wrapf(err, "pod %q cannot be retrieved", options.Pod) + return nil, 0, errors.Wrapf(err, "pod %q cannot be retrieved", options.Pod) } infraContainer, err := pod.InfraContainer() if err != nil { - return errors.Wrapf(err, "cannot retrieved infra container from pod %q", options.Pod) + return nil, 0, errors.Wrapf(err, "cannot retrieved infra container from pod %q", options.Pod) } infraContainer.lock.Lock() if err := infraContainer.syncContainer(); err != nil { infraContainer.lock.Unlock() - return errors.Wrapf(err, "Error syncing infrastructure container %s status", infraContainer.ID()) + return nil, 0, errors.Wrapf(err, "Error syncing infrastructure container %s status", infraContainer.ID()) } if infraContainer.state.State != define.ContainerStateRunning { if err := infraContainer.initAndStart(ctx); err != nil { infraContainer.lock.Unlock() - return errors.Wrapf(err, "Error starting infrastructure container %s status", infraContainer.ID()) + return nil, 0, errors.Wrapf(err, "Error starting infrastructure container %s status", infraContainer.ID()) } } infraContainer.lock.Unlock() @@ -1412,56 +1428,56 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti if c.config.IPCNsCtr != "" { nsPath, err := infraContainer.namespacePath(IPCNS) if err != nil { - return errors.Wrapf(err, "cannot retrieve IPC namespace path for Pod %q", options.Pod) + return nil, 0, errors.Wrapf(err, "cannot retrieve IPC namespace path for Pod %q", options.Pod) } if err := g.AddOrReplaceLinuxNamespace(string(spec.IPCNamespace), nsPath); err != nil { - return err + return nil, 0, err } } if c.config.NetNsCtr != "" { nsPath, err := infraContainer.namespacePath(NetNS) if err != nil { - return errors.Wrapf(err, "cannot retrieve network namespace path for Pod %q", options.Pod) + return nil, 0, errors.Wrapf(err, "cannot retrieve network namespace path for Pod %q", options.Pod) } if err := g.AddOrReplaceLinuxNamespace(string(spec.NetworkNamespace), nsPath); err != nil { - return err + return nil, 0, err } } if c.config.PIDNsCtr != "" { nsPath, err := infraContainer.namespacePath(PIDNS) if err != nil { - return errors.Wrapf(err, "cannot retrieve PID namespace path for Pod %q", options.Pod) + return nil, 0, errors.Wrapf(err, "cannot retrieve PID namespace path for Pod %q", options.Pod) } if err := g.AddOrReplaceLinuxNamespace(string(spec.PIDNamespace), nsPath); err != nil { - return err + return nil, 0, err } } if c.config.UTSNsCtr != "" { nsPath, err := infraContainer.namespacePath(UTSNS) if err != nil { - return errors.Wrapf(err, "cannot retrieve UTS namespace path for Pod %q", options.Pod) + return nil, 0, errors.Wrapf(err, "cannot retrieve UTS namespace path for Pod %q", options.Pod) } if err := g.AddOrReplaceLinuxNamespace(string(spec.UTSNamespace), nsPath); err != nil { - return err + return nil, 0, err } } if c.config.CgroupNsCtr != "" { nsPath, err := infraContainer.namespacePath(CgroupNS) if err != nil { - return errors.Wrapf(err, "cannot retrieve Cgroup namespace path for Pod %q", options.Pod) + return nil, 0, errors.Wrapf(err, "cannot retrieve Cgroup namespace path for Pod %q", options.Pod) } if err := g.AddOrReplaceLinuxNamespace(string(spec.CgroupNamespace), nsPath); err != nil { - return err + return nil, 0, err } } } if err := c.makeBindMounts(); err != nil { - return err + return nil, 0, err } if options.TargetFile != "" { @@ -1483,12 +1499,12 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti // Cleanup for a working restore. if err := c.removeConmonFiles(); err != nil { - return err + return nil, 0, err } // Save the OCI spec to disk if err := c.saveSpec(g.Config); err != nil { - return err + return nil, 0, err } // When restoring from an imported archive, allow restoring the content of volumes. @@ -1499,24 +1515,24 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti volumeFile, err := os.Open(volumeFilePath) if err != nil { - return errors.Wrapf(err, "failed to open volume file %s", volumeFilePath) + return nil, 0, errors.Wrapf(err, "failed to open volume file %s", volumeFilePath) } defer volumeFile.Close() volume, err := c.runtime.GetVolume(v.Name) if err != nil { - return errors.Wrapf(err, "failed to retrieve volume %s", v.Name) + return nil, 0, errors.Wrapf(err, "failed to retrieve volume %s", v.Name) } mountPoint, err := volume.MountPoint() if err != nil { - return err + return nil, 0, err } if mountPoint == "" { - return errors.Wrapf(err, "unable to import volume %s as it is not mounted", volume.Name()) + return nil, 0, errors.Wrapf(err, "unable to import volume %s as it is not mounted", volume.Name()) } if err := archive.UntarUncompressed(volumeFile, mountPoint, nil); err != nil { - return errors.Wrapf(err, "Failed to extract volume %s to %s", volumeFilePath, mountPoint) + return nil, 0, errors.Wrapf(err, "Failed to extract volume %s to %s", volumeFilePath, mountPoint) } } } @@ -1524,16 +1540,43 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti // Before actually restarting the container, apply the root file-system changes if !options.IgnoreRootfs { if err := crutils.CRApplyRootFsDiffTar(c.bundlePath(), c.state.Mountpoint); err != nil { - return err + return nil, 0, err } if err := crutils.CRRemoveDeletedFiles(c.ID(), c.bundlePath(), c.state.Mountpoint); err != nil { - return err + return nil, 0, err } } - if err := c.ociRuntime.CreateContainer(c, &options); err != nil { - return err + runtimeRestoreDuration, err = c.ociRuntime.CreateContainer(c, &options) + if err != nil { + return nil, 0, err + } + + criuStatistics, err = func() (*define.CRIUCheckpointRestoreStatistics, error) { + if !options.PrintStats { + return nil, nil + } + statsDirectory, err := os.Open(c.bundlePath()) + if err != nil { + return nil, errors.Wrapf(err, "Not able to open %q", c.bundlePath()) + } + + restoreStatistics, err := stats.CriuGetRestoreStats(statsDirectory) + if err != nil { + return nil, errors.Wrap(err, "Displaying restore statistics not possible") + } + + return &define.CRIUCheckpointRestoreStatistics{ + PagesCompared: restoreStatistics.GetPagesCompared(), + PagesSkippedCow: restoreStatistics.GetPagesSkippedCow(), + ForkingTime: restoreStatistics.GetForkingTime(), + RestoreTime: restoreStatistics.GetRestoreTime(), + PagesRestored: restoreStatistics.GetPagesRestored(), + }, nil + }() + if err != nil { + return nil, 0, err } logrus.Debugf("Restored container %s", c.ID()) @@ -1572,7 +1615,7 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti } } - return c.save() + return criuStatistics, runtimeRestoreDuration, c.save() } // Retrieves a container's "root" net namespace container dependency. @@ -1833,8 +1876,17 @@ rootless=%d return errors.Wrapf(err, "error creating secrets mount") } for _, secret := range c.Secrets() { + secretFileName := secret.Name + base := "/run/secrets" + if secret.Target != "" { + secretFileName = secret.Target + //If absolute path for target given remove base. + if filepath.IsAbs(secretFileName) { + base = "" + } + } src := filepath.Join(c.config.SecretsPath, secret.Name) - dest := filepath.Join("/run/secrets", secret.Name) + dest := filepath.Join(base, secretFileName) c.state.BindMounts[dest] = src } } diff --git a/libpod/container_log_linux.go b/libpod/container_log_linux.go index 4029d0af7..d3d7c8397 100644 --- a/libpod/container_log_linux.go +++ b/libpod/container_log_linux.go @@ -37,13 +37,21 @@ func (c *Container) initializeJournal(ctx context.Context) error { m := make(map[string]string) m["SYSLOG_IDENTIFIER"] = "podman" m["PODMAN_ID"] = c.ID() - m["CONTAINER_ID_FULL"] = c.ID() history := events.History m["PODMAN_EVENT"] = history.String() + container := events.Container + m["PODMAN_TYPE"] = container.String() + m["PODMAN_TIME"] = time.Now().Format(time.RFC3339Nano) return journal.Send("", journal.PriInfo, m) } func (c *Container) readFromJournal(ctx context.Context, options *logs.LogOptions, logChannel chan *logs.LogLine) error { + // We need the container's events in the same journal to guarantee + // consistency, see #10323. + if options.Follow && c.runtime.config.Engine.EventsLogger != "journald" { + return errors.Errorf("using --follow with the journald --log-driver but without the journald --events-backend (%s) is not supported", c.runtime.config.Engine.EventsLogger) + } + journal, err := sdjournal.NewJournal() if err != nil { return err @@ -89,6 +97,7 @@ func (c *Container) readFromJournal(ctx context.Context, options *logs.LogOption // exponential backoff. var cursor string var cursorError error + var containerCouldBeLogging bool for i := 1; i <= 3; i++ { cursor, cursorError = journal.GetCursor() hundreds := 1 @@ -105,12 +114,6 @@ func (c *Container) readFromJournal(ctx context.Context, options *logs.LogOption return errors.Wrap(cursorError, "initial journal cursor") } - // We need the container's events in the same journal to guarantee - // consistency, see #10323. - if options.Follow && c.runtime.config.Engine.EventsLogger != "journald" { - return errors.Errorf("using --follow with the journald --log-driver but without the journald --events-backend (%s) is not supported", c.runtime.config.Engine.EventsLogger) - } - options.WaitGroup.Add(1) go func() { defer func() { @@ -172,7 +175,7 @@ func (c *Container) readFromJournal(ctx context.Context, options *logs.LogOption doTailFunc() } // Unless we follow, quit. - if !options.Follow { + if !options.Follow || !containerCouldBeLogging { return } // Sleep until something's happening on the journal. @@ -201,11 +204,14 @@ func (c *Container) readFromJournal(ctx context.Context, options *logs.LogOption logrus.Errorf("Failed to translate event: %v", err) return } - if status == events.Exited { + switch status { + case events.History, events.Init, events.Start, events.Restart: + containerCouldBeLogging = true + case events.Exited: + containerCouldBeLogging = false if doTail { doTailFunc() } - return } continue } diff --git a/libpod/define/checkpoint_restore.go b/libpod/define/checkpoint_restore.go new file mode 100644 index 000000000..536bdde9a --- /dev/null +++ b/libpod/define/checkpoint_restore.go @@ -0,0 +1,32 @@ +package define + +// This contains values reported by CRIU during +// checkpointing or restoring. +// All names are the same as reported by CRIU. +type CRIUCheckpointRestoreStatistics struct { + // Checkpoint values + // Time required to freeze/pause/quiesce the processes + FreezingTime uint32 `json:"freezing_time,omitempty"` + // Time the processes are actually not running during checkpointing + FrozenTime uint32 `json:"frozen_time,omitempty"` + // Time required to extract memory pages from the processes + MemdumpTime uint32 `json:"memdump_time,omitempty"` + // Time required to write memory pages to disk + MemwriteTime uint32 `json:"memwrite_time,omitempty"` + // Number of memory pages CRIU analyzed + PagesScanned uint64 `json:"pages_scanned,omitempty"` + // Number of memory pages written + PagesWritten uint64 `json:"pages_written,omitempty"` + + // Restore values + // Number of pages compared during restore + PagesCompared uint64 `json:"pages_compared,omitempty"` + // Number of COW pages skipped during restore + PagesSkippedCow uint64 `json:"pages_skipped_cow,omitempty"` + // Time required to fork processes + ForkingTime uint32 `json:"forking_time,omitempty"` + // Time required to restore + RestoreTime uint32 `json:"restore_time,omitempty"` + // Number of memory pages restored + PagesRestored uint64 `json:"pages_restored,omitempty"` +} diff --git a/libpod/network/cni/cni_conversion.go b/libpod/network/cni/cni_conversion.go index 70d259b60..788165b5e 100644 --- a/libpod/network/cni/cni_conversion.go +++ b/libpod/network/cni/cni_conversion.go @@ -295,10 +295,6 @@ func (n *cniNetwork) createCNIConfigListFromNetwork(network *types.Network, writ // Note: in the future we might like to allow for dynamic domain names plugins = append(plugins, newDNSNamePlugin(defaultPodmanDomainName)) } - // Add the podman-machine CNI plugin if we are in a machine - if n.isMachine { - plugins = append(plugins, newPodmanMachinePlugin()) - } case types.MacVLANNetworkDriver: plugins = append(plugins, newVLANPlugin(types.MacVLANNetworkDriver, network.NetworkInterface, vlanPluginMode, mtu, ipamConf)) @@ -369,3 +365,14 @@ func convertSpecgenPortsToCNIPorts(ports []types.PortMapping) ([]cniPortMapEntry } return cniPorts, nil } + +func removeMachinePlugin(conf *libcni.NetworkConfigList) *libcni.NetworkConfigList { + plugins := make([]*libcni.NetworkConfig, 0, len(conf.Plugins)) + for _, net := range conf.Plugins { + if net.Network.Type != "podman-machine" { + plugins = append(plugins, net) + } + } + conf.Plugins = plugins + return conf +} diff --git a/libpod/network/cni/cni_types.go b/libpod/network/cni/cni_types.go index c70cb92b6..e5eb777de 100644 --- a/libpod/network/cni/cni_types.go +++ b/libpod/network/cni/cni_types.go @@ -110,12 +110,6 @@ type dnsNameConfig struct { Capabilities map[string]bool `json:"capabilities"` } -// podmanMachineConfig enables port handling on the host OS -type podmanMachineConfig struct { - PluginType string `json:"type"` - Capabilities map[string]bool `json:"capabilities"` -} - // ncList describes a generic map type ncList map[string]interface{} @@ -285,12 +279,3 @@ func newVLANPlugin(pluginType, device, mode string, mtu int, ipam ipamConfig) VL } return m } - -func newPodmanMachinePlugin() podmanMachineConfig { - caps := make(map[string]bool, 1) - caps["portMappings"] = true - return podmanMachineConfig{ - PluginType: "podman-machine", - Capabilities: caps, - } -} diff --git a/libpod/network/cni/config_test.go b/libpod/network/cni/config_test.go index 0dfc6173c..c2e5fc985 100644 --- a/libpod/network/cni/config_test.go +++ b/libpod/network/cni/config_test.go @@ -965,19 +965,6 @@ var _ = Describe("Config", func() { Expect(logString).To(ContainSubstring("dnsname and internal networks are incompatible")) }) - It("create config with podman machine plugin", func() { - libpodNet, err := getNetworkInterface(cniConfDir, true) - Expect(err).To(BeNil()) - - network := types.Network{} - network1, err := libpodNet.NetworkCreate(network) - Expect(err).To(BeNil()) - Expect(network1.Driver).To(Equal("bridge")) - path := filepath.Join(cniConfDir, network1.Name+".conflist") - Expect(path).To(BeARegularFile()) - grepInFile(path, `"type": "podman-machine",`) - }) - It("network inspect partial ID", func() { network := types.Network{Name: "net4"} network1, err := libpodNet.NetworkCreate(network) diff --git a/libpod/network/cni/network.go b/libpod/network/cni/network.go index 3e9cdaa47..41e3e414e 100644 --- a/libpod/network/cni/network.go +++ b/libpod/network/cni/network.go @@ -150,6 +150,13 @@ func (n *cniNetwork) loadNetworks() error { continue } + // podman < v4.0 used the podman-machine cni plugin for podman machine port forwarding + // since this is now build into podman we no longer use the plugin + // old configs may still contain it so we just remove it here + if n.isMachine { + conf = removeMachinePlugin(conf) + } + if _, err := n.cniConf.ValidateNetworkList(context.Background(), conf); err != nil { logrus.Warnf("Error validating CNI config file %s: %v", file, err) continue diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go index fc91155fa..8ce435efd 100644 --- a/libpod/networking_linux.go +++ b/libpod/networking_linux.go @@ -87,12 +87,28 @@ func (c *Container) GetNetworkAliases(netName string) ([]string, error) { return aliases, nil } +// convertPortMappings will remove the HostIP part from the ports when running inside podman machine. +// This is need because a HostIP of 127.0.0.1 would now allow the gvproxy forwarder to reach to open ports. +// For machine the HostIP must only be used by gvproxy and never in the VM. +func (c *Container) convertPortMappings() []types.PortMapping { + if !c.runtime.config.Engine.MachineEnabled || len(c.config.PortMappings) == 0 { + return c.config.PortMappings + } + // if we run in a machine VM we have to ignore the host IP part + newPorts := make([]types.PortMapping, 0, len(c.config.PortMappings)) + for _, port := range c.config.PortMappings { + port.HostIP = "" + newPorts = append(newPorts, port) + } + return newPorts +} + func (c *Container) getNetworkOptions() (types.NetworkOptions, error) { opts := types.NetworkOptions{ ContainerID: c.config.ID, ContainerName: getCNIPodName(c), } - opts.PortMappings = c.config.PortMappings + opts.PortMappings = c.convertPortMappings() networks, _, err := c.networks() if err != nil { return opts, err @@ -591,32 +607,9 @@ func (r *Runtime) GetRootlessNetNs(new bool) (*RootlessNetNS, error) { return rootlessNetNS, nil } -// setPrimaryMachineIP is used for podman-machine and it sets -// and environment variable with the IP address of the podman-machine -// host. -func setPrimaryMachineIP() error { - // no connection is actually made here - conn, err := net.Dial("udp", "8.8.8.8:80") - if err != nil { - return err - } - defer func() { - if err := conn.Close(); err != nil { - logrus.Error(err) - } - }() - addr := conn.LocalAddr().(*net.UDPAddr) - return os.Setenv("PODMAN_MACHINE_HOST", addr.IP.String()) -} - // setUpNetwork will set up the the networks, on error it will also tear down the cni // networks. If rootless it will join/create the rootless network namespace. func (r *Runtime) setUpNetwork(ns string, opts types.NetworkOptions) (map[string]types.StatusBlock, error) { - if r.config.MachineEnabled() { - if err := setPrimaryMachineIP(); err != nil { - return nil, err - } - } rootlessNetNS, err := r.GetRootlessNetNs(true) if err != nil { return nil, err @@ -650,7 +643,18 @@ func getCNIPodName(c *Container) string { } // Create and configure a new network namespace for a container -func (r *Runtime) configureNetNS(ctr *Container, ctrNS ns.NetNS) (map[string]types.StatusBlock, error) { +func (r *Runtime) configureNetNS(ctr *Container, ctrNS ns.NetNS) (status map[string]types.StatusBlock, rerr error) { + if err := r.exposeMachinePorts(ctr.config.PortMappings); err != nil { + return nil, err + } + defer func() { + // make sure to unexpose the gvproxy ports when an error happens + if rerr != nil { + if err := r.unexposeMachinePorts(ctr.config.PortMappings); err != nil { + logrus.Errorf("failed to free gvproxy machine ports: %v", err) + } + } + }() if ctr.config.NetMode.IsSlirp4netns() { return nil, r.setupSlirp4netns(ctr, ctrNS) } @@ -836,6 +840,10 @@ func (r *Runtime) teardownCNI(ctr *Container) error { // Tear down a network namespace, undoing all state associated with it. func (r *Runtime) teardownNetNS(ctr *Container) error { + if err := r.unexposeMachinePorts(ctr.config.PortMappings); err != nil { + // do not return an error otherwise we would prevent network cleanup + logrus.Errorf("failed to free gvproxy machine ports: %v", err) + } if err := r.teardownCNI(ctr); err != nil { return err } @@ -1206,7 +1214,7 @@ func (c *Container) NetworkDisconnect(nameOrID, netName string, force bool) erro ContainerID: c.config.ID, ContainerName: getCNIPodName(c), } - opts.PortMappings = c.config.PortMappings + opts.PortMappings = c.convertPortMappings() eth, exists := c.state.NetInterfaceDescriptions.getInterfaceByName(netName) if !exists { return errors.Errorf("no network interface name for container %s on network %s", c.config.ID, netName) @@ -1298,7 +1306,7 @@ func (c *Container) NetworkConnect(nameOrID, netName string, aliases []string) e ContainerID: c.config.ID, ContainerName: getCNIPodName(c), } - opts.PortMappings = c.config.PortMappings + opts.PortMappings = c.convertPortMappings() eth, exists := c.state.NetInterfaceDescriptions.getInterfaceByName(netName) if !exists { return errors.Errorf("no network interface name for container %s on network %s", c.config.ID, netName) diff --git a/libpod/networking_machine.go b/libpod/networking_machine.go new file mode 100644 index 000000000..7cb2a00f7 --- /dev/null +++ b/libpod/networking_machine.go @@ -0,0 +1,121 @@ +package libpod + +import ( + "bytes" + "context" + "errors" + "fmt" + "io" + "io/ioutil" + "net" + "net/http" + "strconv" + "strings" + + "github.com/containers/podman/v3/libpod/network/types" + "github.com/sirupsen/logrus" +) + +const machineGvproxyEndpoint = "gateway.containers.internal" + +// machineExpose is the struct for the gvproxy port forwarding api send via json +type machineExpose struct { + // Local is the local address on the vm host, format is ip:port + Local string `json:"local"` + // Remote is used to specify the vm ip:port + Remote string `json:"remote,omitempty"` + // Protocol to forward, tcp or udp + Protocol string `json:"protocol"` +} + +func requestMachinePorts(expose bool, ports []types.PortMapping) error { + url := "http://" + machineGvproxyEndpoint + "/services/forwarder/" + if expose { + url = url + "expose" + } else { + url = url + "unexpose" + } + ctx := context.Background() + client := &http.Client{} + buf := new(bytes.Buffer) + for num, port := range ports { + protocols := strings.Split(port.Protocol, ",") + for _, protocol := range protocols { + for i := uint16(0); i < port.Range; i++ { + machinePort := machineExpose{ + Local: net.JoinHostPort(port.HostIP, strconv.FormatInt(int64(port.HostPort+i), 10)), + Protocol: protocol, + } + if expose { + // only set the remote port the ip will be automatically be set by gvproxy + machinePort.Remote = ":" + strconv.FormatInt(int64(port.HostPort+i), 10) + } + + // post request + if err := json.NewEncoder(buf).Encode(machinePort); err != nil { + if expose { + // in case of an error make sure to unexpose the other ports + if cerr := requestMachinePorts(false, ports[:num]); cerr != nil { + logrus.Errorf("failed to free gvproxy machine ports: %v", cerr) + } + } + return err + } + if err := makeMachineRequest(ctx, client, url, buf); err != nil { + if expose { + // in case of an error make sure to unexpose the other ports + if cerr := requestMachinePorts(false, ports[:num]); cerr != nil { + logrus.Errorf("failed to free gvproxy machine ports: %v", cerr) + } + } + return err + } + buf.Reset() + } + } + } + return nil +} + +func makeMachineRequest(ctx context.Context, client *http.Client, url string, buf io.Reader) error { + //var buf io.ReadWriter + req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, buf) + if err != nil { + return err + } + req.Header.Add("Accept", "application/json") + req.Header.Add("Content-Type", "application/json") + resp, err := client.Do(req) + if err != nil { + return err + } + defer resp.Body.Close() + if resp.StatusCode != http.StatusOK { + return annotateGvproxyResponseError(resp.Body) + } + return nil +} + +func annotateGvproxyResponseError(r io.Reader) error { + b, err := ioutil.ReadAll(r) + if err == nil && len(b) > 0 { + return fmt.Errorf("something went wrong with the request: %q", string(b)) + } + return errors.New("something went wrong with the request, could not read response") +} + +// exposeMachinePorts exposes the ports for podman machine via gvproxy +func (r *Runtime) exposeMachinePorts(ports []types.PortMapping) error { + if !r.config.Engine.MachineEnabled { + return nil + } + return requestMachinePorts(true, ports) +} + +// unexposeMachinePorts closes the ports for podman machine via gvproxy +func (r *Runtime) unexposeMachinePorts(ports []types.PortMapping) error { + if !r.config.Engine.MachineEnabled { + return nil + } + return requestMachinePorts(false, ports) +} diff --git a/libpod/networking_slirp4netns.go b/libpod/networking_slirp4netns.go index 674075e23..67ea31c1c 100644 --- a/libpod/networking_slirp4netns.go +++ b/libpod/networking_slirp4netns.go @@ -509,7 +509,7 @@ func (r *Runtime) setupRootlessPortMappingViaRLK(ctr *Container, netnsPath strin childIP := getRootlessPortChildIP(ctr, netStatus) cfg := rootlessport.Config{ - Mappings: ctr.config.PortMappings, + Mappings: ctr.convertPortMappings(), NetNSPath: netnsPath, ExitFD: 3, ReadyFD: 4, @@ -594,7 +594,7 @@ func (r *Runtime) setupRootlessPortMappingViaSlirp(ctr *Container, cmd *exec.Cmd // for each port we want to add we need to open a connection to the slirp4netns control socket // and send the add_hostfwd command. - for _, i := range ctr.config.PortMappings { + for _, i := range ctr.convertPortMappings() { conn, err := net.Dial("unix", apiSocket) if err != nil { return errors.Wrapf(err, "cannot open connection to %s", apiSocket) diff --git a/libpod/oci.go b/libpod/oci.go index c92d9a077..f45c1a105 100644 --- a/libpod/oci.go +++ b/libpod/oci.go @@ -23,7 +23,10 @@ type OCIRuntime interface { Path() string // CreateContainer creates the container in the OCI runtime. - CreateContainer(ctr *Container, restoreOptions *ContainerCheckpointOptions) error + // The returned int64 contains the microseconds needed to restore + // the given container if it is a restore and if restoreOptions.PrintStats + // is true. In all other cases the returned int64 is 0. + CreateContainer(ctr *Container, restoreOptions *ContainerCheckpointOptions) (int64, error) // UpdateContainerStatus updates the status of the given container. UpdateContainerStatus(ctr *Container) error // StartContainer starts the given container. @@ -101,8 +104,10 @@ type OCIRuntime interface { // CheckpointContainer checkpoints the given container. // Some OCI runtimes may not support this - if SupportsCheckpoint() // returns false, this is not implemented, and will always return an - // error. - CheckpointContainer(ctr *Container, options ContainerCheckpointOptions) error + // error. If CheckpointOptions.PrintStats is true the first return parameter + // contains the number of microseconds the runtime needed to checkpoint + // the given container. + CheckpointContainer(ctr *Container, options ContainerCheckpointOptions) (int64, error) // CheckConmonRunning verifies that the given container's Conmon // instance is still running. Runtimes without Conmon, or systems where diff --git a/libpod/oci_conmon_linux.go b/libpod/oci_conmon_linux.go index db906fabb..533a0d78b 100644 --- a/libpod/oci_conmon_linux.go +++ b/libpod/oci_conmon_linux.go @@ -183,35 +183,39 @@ func hasCurrentUserMapped(ctr *Container) bool { } // CreateContainer creates a container. -func (r *ConmonOCIRuntime) CreateContainer(ctr *Container, restoreOptions *ContainerCheckpointOptions) error { +func (r *ConmonOCIRuntime) CreateContainer(ctr *Container, restoreOptions *ContainerCheckpointOptions) (int64, error) { // always make the run dir accessible to the current user so that the PID files can be read without // being in the rootless user namespace. if err := makeAccessible(ctr.state.RunDir, 0, 0); err != nil { - return err + return 0, err } if !hasCurrentUserMapped(ctr) { for _, i := range []string{ctr.state.RunDir, ctr.runtime.config.Engine.TmpDir, ctr.config.StaticDir, ctr.state.Mountpoint, ctr.runtime.config.Engine.VolumePath} { if err := makeAccessible(i, ctr.RootUID(), ctr.RootGID()); err != nil { - return err + return 0, err } } // if we are running a non privileged container, be sure to umount some kernel paths so they are not // bind mounted inside the container at all. if !ctr.config.Privileged && !rootless.IsRootless() { - ch := make(chan error) + type result struct { + restoreDuration int64 + err error + } + ch := make(chan result) go func() { runtime.LockOSThread() - err := func() error { + restoreDuration, err := func() (int64, error) { fd, err := os.Open(fmt.Sprintf("/proc/%d/task/%d/ns/mnt", os.Getpid(), unix.Gettid())) if err != nil { - return err + return 0, err } defer errorhandling.CloseQuiet(fd) // create a new mountns on the current thread if err = unix.Unshare(unix.CLONE_NEWNS); err != nil { - return err + return 0, err } defer func() { if err := unix.Setns(int(fd.Fd()), unix.CLONE_NEWNS); err != nil { @@ -224,12 +228,12 @@ func (r *ConmonOCIRuntime) CreateContainer(ctr *Container, restoreOptions *Conta // changes are propagated to the host. err = unix.Mount("/sys", "/sys", "none", unix.MS_REC|unix.MS_SLAVE, "") if err != nil { - return errors.Wrapf(err, "cannot make /sys slave") + return 0, errors.Wrapf(err, "cannot make /sys slave") } mounts, err := pmount.GetMounts() if err != nil { - return err + return 0, err } for _, m := range mounts { if !strings.HasPrefix(m.Mountpoint, "/sys/kernel") { @@ -237,15 +241,18 @@ func (r *ConmonOCIRuntime) CreateContainer(ctr *Container, restoreOptions *Conta } err = unix.Unmount(m.Mountpoint, 0) if err != nil && !os.IsNotExist(err) { - return errors.Wrapf(err, "cannot unmount %s", m.Mountpoint) + return 0, errors.Wrapf(err, "cannot unmount %s", m.Mountpoint) } } return r.createOCIContainer(ctr, restoreOptions) }() - ch <- err + ch <- result{ + restoreDuration: restoreDuration, + err: err, + } }() - err := <-ch - return err + r := <-ch + return r.restoreDuration, r.err } } return r.createOCIContainer(ctr, restoreOptions) @@ -760,9 +767,9 @@ func (r *ConmonOCIRuntime) AttachResize(ctr *Container, newSize define.TerminalS } // CheckpointContainer checkpoints the given container. -func (r *ConmonOCIRuntime) CheckpointContainer(ctr *Container, options ContainerCheckpointOptions) error { +func (r *ConmonOCIRuntime) CheckpointContainer(ctr *Container, options ContainerCheckpointOptions) (int64, error) { if err := label.SetSocketLabel(ctr.ProcessLabel()); err != nil { - return err + return 0, err } // imagePath is used by CRIU to store the actual checkpoint files imagePath := ctr.CheckpointPath() @@ -802,14 +809,25 @@ func (r *ConmonOCIRuntime) CheckpointContainer(ctr *Container, options Container } runtimeDir, err := util.GetRuntimeDir() if err != nil { - return err + return 0, err } if err = os.Setenv("XDG_RUNTIME_DIR", runtimeDir); err != nil { - return errors.Wrapf(err, "cannot set XDG_RUNTIME_DIR") + return 0, errors.Wrapf(err, "cannot set XDG_RUNTIME_DIR") } args = append(args, ctr.ID()) logrus.Debugf("the args to checkpoint: %s %s", r.path, strings.Join(args, " ")) - return utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, nil, r.path, args...) + + runtimeCheckpointStarted := time.Now() + err = utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, nil, r.path, args...) + + runtimeCheckpointDuration := func() int64 { + if options.PrintStats { + return time.Since(runtimeCheckpointStarted).Microseconds() + } + return 0 + }() + + return runtimeCheckpointDuration, err } func (r *ConmonOCIRuntime) CheckConmonRunning(ctr *Container) (bool, error) { @@ -984,23 +1002,23 @@ func (r *ConmonOCIRuntime) getLogTag(ctr *Container) (string, error) { } // createOCIContainer generates this container's main conmon instance and prepares it for starting -func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *ContainerCheckpointOptions) error { +func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *ContainerCheckpointOptions) (int64, error) { var stderrBuf bytes.Buffer runtimeDir, err := util.GetRuntimeDir() if err != nil { - return err + return 0, err } parentSyncPipe, childSyncPipe, err := newPipe() if err != nil { - return errors.Wrapf(err, "error creating socket pair") + return 0, errors.Wrapf(err, "error creating socket pair") } defer errorhandling.CloseQuiet(parentSyncPipe) childStartPipe, parentStartPipe, err := newPipe() if err != nil { - return errors.Wrapf(err, "error creating socket pair for start pipe") + return 0, errors.Wrapf(err, "error creating socket pair for start pipe") } defer errorhandling.CloseQuiet(parentStartPipe) @@ -1012,12 +1030,12 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co logTag, err := r.getLogTag(ctr) if err != nil { - return err + return 0, err } if ctr.config.CgroupsMode == cgroupSplit { if err := utils.MoveUnderCgroupSubtree("runtime"); err != nil { - return err + return 0, err } } @@ -1068,7 +1086,7 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co } else { fds, err := strconv.Atoi(val) if err != nil { - return fmt.Errorf("converting LISTEN_FDS=%s: %w", val, err) + return 0, fmt.Errorf("converting LISTEN_FDS=%s: %w", val, err) } preserveFDs = uint(fds) } @@ -1149,7 +1167,7 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co if r.reservePorts && !rootless.IsRootless() && !ctr.config.NetMode.IsSlirp4netns() { ports, err := bindPorts(ctr.config.PortMappings) if err != nil { - return err + return 0, err } filesToClose = append(filesToClose, ports...) @@ -1165,12 +1183,12 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co if havePortMapping { ctr.rootlessPortSyncR, ctr.rootlessPortSyncW, err = os.Pipe() if err != nil { - return errors.Wrapf(err, "failed to create rootless port sync pipe") + return 0, errors.Wrapf(err, "failed to create rootless port sync pipe") } } ctr.rootlessSlirpSyncR, ctr.rootlessSlirpSyncW, err = os.Pipe() if err != nil { - return errors.Wrapf(err, "failed to create rootless network sync pipe") + return 0, errors.Wrapf(err, "failed to create rootless network sync pipe") } } else { if ctr.rootlessSlirpSyncR != nil { @@ -1189,22 +1207,25 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co cmd.ExtraFiles = append(cmd.ExtraFiles, ctr.rootlessPortSyncW) } } - + var runtimeRestoreStarted time.Time + if restoreOptions != nil { + runtimeRestoreStarted = time.Now() + } err = startCommandGivenSelinux(cmd, ctr) // regardless of whether we errored or not, we no longer need the children pipes childSyncPipe.Close() childStartPipe.Close() if err != nil { - return err + return 0, err } if err := r.moveConmonToCgroupAndSignal(ctr, cmd, parentStartPipe); err != nil { - return err + return 0, err } /* Wait for initial setup and fork, and reap child */ err = cmd.Wait() if err != nil { - return err + return 0, err } pid, err := readConmonPipeData(parentSyncPipe, ociLog) @@ -1212,7 +1233,7 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co if err2 := r.DeleteContainer(ctr); err2 != nil { logrus.Errorf("Removing container %s from runtime after creation failed", ctr.ID()) } - return err + return 0, err } ctr.state.PID = pid @@ -1238,13 +1259,20 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co } } + runtimeRestoreDuration := func() int64 { + if restoreOptions != nil && restoreOptions.PrintStats { + return time.Since(runtimeRestoreStarted).Microseconds() + } + return 0 + }() + // These fds were passed down to the runtime. Close them // and not interfere for _, f := range filesToClose { errorhandling.CloseQuiet(f) } - return nil + return runtimeRestoreDuration, nil } // configureConmonEnv gets the environment values to add to conmon's exec struct diff --git a/libpod/oci_missing.go b/libpod/oci_missing.go index fcf2ffca8..65ff818b4 100644 --- a/libpod/oci_missing.go +++ b/libpod/oci_missing.go @@ -66,8 +66,8 @@ func (r *MissingRuntime) Path() string { } // CreateContainer is not available as the runtime is missing -func (r *MissingRuntime) CreateContainer(ctr *Container, restoreOptions *ContainerCheckpointOptions) error { - return r.printError() +func (r *MissingRuntime) CreateContainer(ctr *Container, restoreOptions *ContainerCheckpointOptions) (int64, error) { + return 0, r.printError() } // UpdateContainerStatus is not available as the runtime is missing @@ -153,8 +153,8 @@ func (r *MissingRuntime) ExecUpdateStatus(ctr *Container, sessionID string) (boo } // CheckpointContainer is not available as the runtime is missing -func (r *MissingRuntime) CheckpointContainer(ctr *Container, options ContainerCheckpointOptions) error { - return r.printError() +func (r *MissingRuntime) CheckpointContainer(ctr *Container, options ContainerCheckpointOptions) (int64, error) { + return 0, r.printError() } // CheckConmonRunning is not available as the runtime is missing |