diff options
Diffstat (limited to 'pkg/varlinkapi/container.go')
-rw-r--r-- | pkg/varlinkapi/container.go | 928 |
1 files changed, 0 insertions, 928 deletions
diff --git a/pkg/varlinkapi/container.go b/pkg/varlinkapi/container.go deleted file mode 100644 index c4e8c1feb..000000000 --- a/pkg/varlinkapi/container.go +++ /dev/null @@ -1,928 +0,0 @@ -package varlinkapi - -import ( - "context" - "fmt" - "io" - "os" - "path/filepath" - "regexp" - "runtime" - "sort" - "strconv" - "strings" - "sync" - "time" - - "github.com/containers/image/v5/types" - "github.com/containers/podman/v2/libpod" - "github.com/containers/podman/v2/libpod/define" - "github.com/containers/podman/v2/libpod/image" - "github.com/containers/podman/v2/pkg/timetype" - "github.com/containers/podman/v2/pkg/util" - "github.com/cri-o/ocicni/pkg/ocicni" - "github.com/docker/go-units" - "github.com/google/shlex" - "github.com/pkg/errors" - "github.com/sirupsen/logrus" - v1 "k8s.io/api/core/v1" -) - -const ( - cidTruncLength = 12 - podTruncLength = 12 - iidTruncLength = 12 - cmdTruncLength = 17 -) - -// PsOptions describes the struct being formed for ps. -type PsOptions struct { - All bool - Format string - Last int - Latest bool - NoTrunc bool - Pod bool - Quiet bool - Size bool - Sort string - Namespace bool - Sync bool -} - -// BatchContainerStruct is the return object from BatchContainer and contains -// container related information. -type BatchContainerStruct struct { - ConConfig *libpod.ContainerConfig - ConState define.ContainerStatus - ExitCode int32 - Exited bool - Pid int - StartedTime time.Time - ExitedTime time.Time - Size *ContainerSize -} - -// PsContainerOutput is the struct being returned from a parallel -// batch operation. -type PsContainerOutput struct { - ID string - Image string - ImageID string - Command string - Created string - Ports string - Names string - IsInfra bool - Status string - State define.ContainerStatus - Pid int - Size *ContainerSize - Pod string - PodName string - CreatedAt time.Time - ExitedAt time.Time - StartedAt time.Time - Labels map[string]string - PID string - Cgroup string - IPC string - MNT string - NET string - PIDNS string - User string - UTS string - Mounts string -} - -// Namespace describes output for ps namespace. -type Namespace struct { - PID string `json:"pid,omitempty"` - Cgroup string `json:"cgroup,omitempty"` - IPC string `json:"ipc,omitempty"` - MNT string `json:"mnt,omitempty"` - NET string `json:"net,omitempty"` - PIDNS string `json:"pidns,omitempty"` - User string `json:"user,omitempty"` - UTS string `json:"uts,omitempty"` -} - -// ContainerSize holds the size of the container's root filesystem and top -// read-write layer. -type ContainerSize struct { - RootFsSize int64 `json:"rootFsSize"` - RwSize int64 `json:"rwSize"` -} - -// NewBatchContainer runs a batch process under one lock to get container information and only -// be called in PBatch. -func NewBatchContainer(r *libpod.Runtime, ctr *libpod.Container, opts PsOptions) (PsContainerOutput, error) { - var ( - conState define.ContainerStatus - command string - created string - status string - exitedAt time.Time - startedAt time.Time - exitCode int32 - err error - pid int - size *ContainerSize - ns *Namespace - pso PsContainerOutput - ) - batchErr := ctr.Batch(func(c *libpod.Container) error { - if opts.Sync { - if err := c.Sync(); err != nil { - return err - } - } - - conState, err = c.State() - if err != nil { - return errors.Wrapf(err, "unable to obtain container state") - } - command = strings.Join(c.Command(), " ") - created = units.HumanDuration(time.Since(c.CreatedTime())) + " ago" - - exitCode, _, err = c.ExitCode() - if err != nil { - return errors.Wrapf(err, "unable to obtain container exit code") - } - startedAt, err = c.StartedTime() - if err != nil { - logrus.Errorf("error getting started time for %q: %v", c.ID(), err) - } - exitedAt, err = c.FinishedTime() - if err != nil { - logrus.Errorf("error getting exited time for %q: %v", c.ID(), err) - } - if opts.Namespace { - pid, err = c.PID() - if err != nil { - return errors.Wrapf(err, "unable to obtain container pid") - } - ns = GetNamespaces(pid) - } - if opts.Size { - size = new(ContainerSize) - - rootFsSize, err := c.RootFsSize() - if err != nil { - logrus.Errorf("error getting root fs size for %q: %v", c.ID(), err) - } - - rwSize, err := c.RWSize() - if err != nil { - logrus.Errorf("error getting rw size for %q: %v", c.ID(), err) - } - - size.RootFsSize = rootFsSize - size.RwSize = rwSize - } - - return nil - }) - - if batchErr != nil { - return pso, batchErr - } - - switch conState.String() { - case define.ContainerStateExited.String(): - fallthrough - case define.ContainerStateStopped.String(): - exitedSince := units.HumanDuration(time.Since(exitedAt)) - status = fmt.Sprintf("Exited (%d) %s ago", exitCode, exitedSince) - case define.ContainerStateRunning.String(): - status = "Up " + units.HumanDuration(time.Since(startedAt)) + " ago" - case define.ContainerStatePaused.String(): - status = "Paused" - case define.ContainerStateCreated.String(), define.ContainerStateConfigured.String(): - status = "Created" - case define.ContainerStateRemoving.String(): - status = "Removing" - default: - status = "Error" - } - - imageID, imageName := ctr.Image() - cid := ctr.ID() - podID := ctr.PodID() - if !opts.NoTrunc { - cid = cid[0:cidTruncLength] - if len(podID) > podTruncLength { - podID = podID[0:podTruncLength] - } - if len(command) > cmdTruncLength { - command = command[0:cmdTruncLength] + "..." - } - if len(imageID) > iidTruncLength { - imageID = imageID[0:iidTruncLength] - } - } - - ports, err := ctr.PortMappings() - if err != nil { - logrus.Errorf("unable to lookup namespace container for %s", ctr.ID()) - } - - pso.ID = cid - pso.Image = imageName - pso.ImageID = imageID - pso.Command = command - pso.Created = created - pso.Ports = portsToString(ports) - pso.Names = ctr.Name() - pso.IsInfra = ctr.IsInfra() - pso.Status = status - pso.State = conState - pso.Pid = pid - pso.Size = size - pso.ExitedAt = exitedAt - pso.CreatedAt = ctr.CreatedTime() - pso.StartedAt = startedAt - pso.Labels = ctr.Labels() - pso.Mounts = strings.Join(ctr.UserVolumes(), " ") - - // Add pod name and pod ID if requested by user. - // No need to look up the pod if its ID is empty. - if opts.Pod && len(podID) > 0 { - // The pod name is not in the container definition - // so we need to retrieve it using the pod ID. - var podName string - pod, err := r.LookupPod(podID) - if err != nil { - logrus.Errorf("unable to lookup pod for container %s", ctr.ID()) - } else { - podName = pod.Name() - } - - pso.Pod = podID - pso.PodName = podName - } - - if opts.Namespace { - pso.Cgroup = ns.Cgroup - pso.IPC = ns.IPC - pso.MNT = ns.MNT - pso.NET = ns.NET - pso.User = ns.User - pso.UTS = ns.UTS - pso.PIDNS = ns.PIDNS - } - - return pso, nil -} - -type batchFunc func() (PsContainerOutput, error) - -type workerInput struct { - parallelFunc batchFunc - opts PsOptions - cid string - job int -} - -// worker is a "threaded" worker that takes jobs from the channel "queue". -func worker(wg *sync.WaitGroup, jobs <-chan workerInput, results chan<- PsContainerOutput, errors chan<- error) { - for j := range jobs { - r, err := j.parallelFunc() - // If we find an error, we return just the error. - if err != nil { - errors <- err - } else { - // Return the result. - results <- r - } - wg.Done() - } -} - -// GenerateContainerFilterFuncs return ContainerFilter functions based of filter. -func GenerateContainerFilterFuncs(filter, filterValue string, r *libpod.Runtime) (func(container *libpod.Container) bool, error) { - switch filter { - case "id": - return func(c *libpod.Container) bool { - return strings.Contains(c.ID(), filterValue) - }, nil - case "label": - var filterArray = strings.SplitN(filterValue, "=", 2) - var filterKey = filterArray[0] - if len(filterArray) > 1 { - filterValue = filterArray[1] - } else { - filterValue = "" - } - return func(c *libpod.Container) bool { - for labelKey, labelValue := range c.Labels() { - if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) { - return true - } - } - return false - }, nil - case "name": - return func(c *libpod.Container) bool { - match, err := regexp.MatchString(filterValue, c.Name()) - if err != nil { - return false - } - return match - }, nil - case "exited": - exitCode, err := strconv.ParseInt(filterValue, 10, 32) - if err != nil { - return nil, errors.Wrapf(err, "exited code out of range %q", filterValue) - } - return func(c *libpod.Container) bool { - ec, exited, err := c.ExitCode() - if ec == int32(exitCode) && err == nil && exited { - return true - } - return false - }, nil - case "status": - if !util.StringInSlice(filterValue, []string{"created", "running", "paused", "stopped", "exited", "unknown"}) { - return nil, errors.Errorf("%s is not a valid status", filterValue) - } - return func(c *libpod.Container) bool { - status, err := c.State() - if err != nil { - return false - } - if filterValue == "stopped" { - filterValue = "exited" - } - state := status.String() - if status == define.ContainerStateConfigured { - state = "created" - } else if status == define.ContainerStateStopped { - state = "exited" - } - return state == filterValue - }, nil - case "ancestor": - // This needs to refine to match docker - // - ancestor=(<image-name>[:tag]|<image-id>| ⟨image@digest⟩) - containers created from an image or a descendant. - return func(c *libpod.Container) bool { - containerConfig := c.Config() - if strings.Contains(containerConfig.RootfsImageID, filterValue) || strings.Contains(containerConfig.RootfsImageName, filterValue) { - return true - } - return false - }, nil - case "before": - ctr, err := r.LookupContainer(filterValue) - if err != nil { - return nil, errors.Errorf("unable to find container by name or id of %s", filterValue) - } - containerConfig := ctr.Config() - createTime := containerConfig.CreatedTime - return func(c *libpod.Container) bool { - cc := c.Config() - return createTime.After(cc.CreatedTime) - }, nil - case "since": - ctr, err := r.LookupContainer(filterValue) - if err != nil { - return nil, errors.Errorf("unable to find container by name or id of %s", filterValue) - } - containerConfig := ctr.Config() - createTime := containerConfig.CreatedTime - return func(c *libpod.Container) bool { - cc := c.Config() - return createTime.Before(cc.CreatedTime) - }, nil - case "volume": - //- volume=(<volume-name>|<mount-point-destination>) - return func(c *libpod.Container) bool { - containerConfig := c.Config() - var dest string - arr := strings.Split(filterValue, ":") - source := arr[0] - if len(arr) == 2 { - dest = arr[1] - } - for _, mount := range containerConfig.Spec.Mounts { - if dest != "" && (mount.Source == source && mount.Destination == dest) { - return true - } - if dest == "" && mount.Source == source { - return true - } - } - return false - }, nil - case "health": - return func(c *libpod.Container) bool { - hcStatus, err := c.HealthCheckStatus() - if err != nil { - return false - } - return hcStatus == filterValue - }, nil - case "until": - ts, err := timetype.GetTimestamp(filterValue, time.Now()) - if err != nil { - return nil, err - } - seconds, nanoseconds, err := timetype.ParseTimestamps(ts, 0) - if err != nil { - return nil, err - } - until := time.Unix(seconds, nanoseconds) - return func(c *libpod.Container) bool { - if !until.IsZero() && c.CreatedTime().After((until)) { - return true - } - return false - }, nil - } - return nil, errors.Errorf("%s is an invalid filter", filter) -} - -// GetPsContainerOutput returns a slice of containers specifically for ps output. -func GetPsContainerOutput(r *libpod.Runtime, opts PsOptions, filters []string, maxWorkers int) ([]PsContainerOutput, error) { - var ( - filterFuncs []libpod.ContainerFilter - outputContainers []*libpod.Container - ) - - if len(filters) > 0 { - for _, f := range filters { - filterSplit := strings.SplitN(f, "=", 2) - if len(filterSplit) < 2 { - return nil, errors.Errorf("filter input must be in the form of filter=value: %s is invalid", f) - } - generatedFunc, err := GenerateContainerFilterFuncs(filterSplit[0], filterSplit[1], r) - if err != nil { - return nil, errors.Wrapf(err, "invalid filter") - } - filterFuncs = append(filterFuncs, generatedFunc) - } - } - if !opts.Latest { - // Get all containers. - containers, err := r.GetContainers(filterFuncs...) - if err != nil { - return nil, err - } - - // We only want the last few containers. - if opts.Last > 0 && opts.Last <= len(containers) { - return nil, errors.Errorf("--last not yet supported") - } else { - outputContainers = containers - } - } else { - // Get just the latest container. - // Ignore filters. - latestCtr, err := r.GetLatestContainer() - if err != nil { - return nil, err - } - - outputContainers = []*libpod.Container{latestCtr} - } - - pss := PBatch(r, outputContainers, maxWorkers, opts) - return pss, nil -} - -// PBatch performs batch operations on a container in parallel. It spawns the -// number of workers relative to the number of parallel operations desired. -func PBatch(r *libpod.Runtime, containers []*libpod.Container, workers int, opts PsOptions) []PsContainerOutput { - var wg sync.WaitGroup - psResults := []PsContainerOutput{} - - // If the number of containers in question is less than the number of - // proposed parallel operations, we shouldn't spawn so many workers. - if workers > len(containers) { - workers = len(containers) - } - - jobs := make(chan workerInput, len(containers)) - results := make(chan PsContainerOutput, len(containers)) - batchErrors := make(chan error, len(containers)) - - // Create the workers. - for w := 1; w <= workers; w++ { - go worker(&wg, jobs, results, batchErrors) - } - - // Add jobs to the workers. - for i, j := range containers { - j := j - wg.Add(1) - f := func() (PsContainerOutput, error) { - return NewBatchContainer(r, j, opts) - } - jobs <- workerInput{ - parallelFunc: f, - opts: opts, - cid: j.ID(), - job: i, - } - } - close(jobs) - wg.Wait() - close(results) - close(batchErrors) - for err := range batchErrors { - logrus.Errorf("unable to get container info: %q", err) - } - for res := range results { - // We sort out running vs non-running here to save lots of copying - // later. - if !opts.All && !opts.Latest && opts.Last < 1 { - if !res.IsInfra && res.State == define.ContainerStateRunning { - psResults = append(psResults, res) - } - } else { - psResults = append(psResults, res) - } - } - return psResults -} - -// BatchContainerOp is used in ps to reduce performance hits by "batching" -// locks. -func BatchContainerOp(ctr *libpod.Container, opts PsOptions) (BatchContainerStruct, error) { - var ( - conConfig *libpod.ContainerConfig - conState define.ContainerStatus - err error - exitCode int32 - exited bool - pid int - size *ContainerSize - startedTime time.Time - exitedTime time.Time - ) - - batchErr := ctr.Batch(func(c *libpod.Container) error { - conConfig = c.Config() - conState, err = c.State() - if err != nil { - return errors.Wrapf(err, "unable to obtain container state") - } - - exitCode, exited, err = c.ExitCode() - if err != nil { - return errors.Wrapf(err, "unable to obtain container exit code") - } - startedTime, err = c.StartedTime() - if err != nil { - logrus.Errorf("error getting started time for %q: %v", c.ID(), err) - } - exitedTime, err = c.FinishedTime() - if err != nil { - logrus.Errorf("error getting exited time for %q: %v", c.ID(), err) - } - - if !opts.Size && !opts.Namespace { - return nil - } - - if opts.Namespace { - pid, err = c.PID() - if err != nil { - return errors.Wrapf(err, "unable to obtain container pid") - } - } - if opts.Size { - size = new(ContainerSize) - - rootFsSize, err := c.RootFsSize() - if err != nil { - logrus.Errorf("error getting root fs size for %q: %v", c.ID(), err) - } - - rwSize, err := c.RWSize() - if err != nil { - logrus.Errorf("error getting rw size for %q: %v", c.ID(), err) - } - - size.RootFsSize = rootFsSize - size.RwSize = rwSize - } - return nil - }) - if batchErr != nil { - return BatchContainerStruct{}, batchErr - } - return BatchContainerStruct{ - ConConfig: conConfig, - ConState: conState, - ExitCode: exitCode, - Exited: exited, - Pid: pid, - StartedTime: startedTime, - ExitedTime: exitedTime, - Size: size, - }, nil -} - -// GetNamespaces returns a populated namespace struct. -func GetNamespaces(pid int) *Namespace { - ctrPID := strconv.Itoa(pid) - cgroup, _ := getNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "cgroup")) - ipc, _ := getNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "ipc")) - mnt, _ := getNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "mnt")) - net, _ := getNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "net")) - pidns, _ := getNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "pid")) - user, _ := getNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "user")) - uts, _ := getNamespaceInfo(filepath.Join("/proc", ctrPID, "ns", "uts")) - - return &Namespace{ - PID: ctrPID, - Cgroup: cgroup, - IPC: ipc, - MNT: mnt, - NET: net, - PIDNS: pidns, - User: user, - UTS: uts, - } -} - -// GetNamespaceInfo is an exported wrapper for getNamespaceInfo -func GetNamespaceInfo(path string) (string, error) { - return getNamespaceInfo(path) -} - -func getNamespaceInfo(path string) (string, error) { - val, err := os.Readlink(path) - if err != nil { - return "", errors.Wrapf(err, "error getting info from %q", path) - } - return getStrFromSquareBrackets(val), nil -} - -// getStrFromSquareBrackets gets the string inside [] from a string. -func getStrFromSquareBrackets(cmd string) string { - reg := regexp.MustCompile(`.*\[|\].*`) - arr := strings.Split(reg.ReplaceAllLiteralString(cmd, ""), ",") - return strings.Join(arr, ",") -} - -func comparePorts(i, j ocicni.PortMapping) bool { - if i.ContainerPort != j.ContainerPort { - return i.ContainerPort < j.ContainerPort - } - - if i.HostIP != j.HostIP { - return i.HostIP < j.HostIP - } - - if i.HostPort != j.HostPort { - return i.HostPort < j.HostPort - } - - return i.Protocol < j.Protocol -} - -// formatGroup returns the group as <IP:startPort:lastPort->startPort:lastPort/Proto> -// e.g 0.0.0.0:1000-1006->1000-1006/tcp. -func formatGroup(key string, start, last int32) string { - parts := strings.Split(key, "/") - groupType := parts[0] - var ip string - if len(parts) > 1 { - ip = parts[0] - groupType = parts[1] - } - group := strconv.Itoa(int(start)) - if start != last { - group = fmt.Sprintf("%s-%d", group, last) - } - if ip != "" { - group = fmt.Sprintf("%s:%s->%s", ip, group, group) - } - return fmt.Sprintf("%s/%s", group, groupType) -} - -// portsToString converts the ports used to a string of the from "port1, port2" -// and also groups a continuous list of ports into a readable format. -func portsToString(ports []ocicni.PortMapping) string { - type portGroup struct { - first int32 - last int32 - } - var portDisplay []string - if len(ports) == 0 { - return "" - } - //Sort the ports, so grouping continuous ports become easy. - sort.Slice(ports, func(i, j int) bool { - return comparePorts(ports[i], ports[j]) - }) - - // portGroupMap is used for grouping continuous ports. - portGroupMap := make(map[string]*portGroup) - var groupKeyList []string - - for _, v := range ports { - - hostIP := v.HostIP - if hostIP == "" { - hostIP = "0.0.0.0" - } - // If hostPort and containerPort are not same, consider as individual port. - if v.ContainerPort != v.HostPort { - portDisplay = append(portDisplay, fmt.Sprintf("%s:%d->%d/%s", hostIP, v.HostPort, v.ContainerPort, v.Protocol)) - continue - } - - portMapKey := fmt.Sprintf("%s/%s", hostIP, v.Protocol) - - portgroup, ok := portGroupMap[portMapKey] - if !ok { - portGroupMap[portMapKey] = &portGroup{first: v.ContainerPort, last: v.ContainerPort} - // This list is required to traverse portGroupMap. - groupKeyList = append(groupKeyList, portMapKey) - continue - } - - if portgroup.last == (v.ContainerPort - 1) { - portgroup.last = v.ContainerPort - continue - } - } - // For each portMapKey, format group list and append to output string. - for _, portKey := range groupKeyList { - group := portGroupMap[portKey] - portDisplay = append(portDisplay, formatGroup(portKey, group.first, group.last)) - } - return strings.Join(portDisplay, ", ") -} - -// GetRunlabel is a helper function for runlabel; it gets the image if needed and begins the -// construction of the runlabel output and environment variables. -func GetRunlabel(label string, runlabelImage string, ctx context.Context, runtime *libpod.Runtime, pull bool, inputCreds string, dockerRegistryOptions image.DockerRegistryOptions, authfile string, signaturePolicyPath string, output io.Writer) (string, string, error) { - var ( - newImage *image.Image - err error - imageName string - ) - if pull { - var registryCreds *types.DockerAuthConfig - if inputCreds != "" { - creds, err := util.ParseRegistryCreds(inputCreds) - if err != nil { - return "", "", err - } - registryCreds = creds - } - dockerRegistryOptions.DockerRegistryCreds = registryCreds - newImage, err = runtime.ImageRuntime().New(ctx, runlabelImage, signaturePolicyPath, authfile, output, &dockerRegistryOptions, image.SigningOptions{}, &label, util.PullImageMissing) - } else { - newImage, err = runtime.ImageRuntime().NewFromLocal(runlabelImage) - } - if err != nil { - return "", "", errors.Wrapf(err, "unable to find image") - } - - if len(newImage.Names()) < 1 { - imageName = newImage.ID() - } else { - imageName = newImage.Names()[0] - } - - runLabel, err := newImage.GetLabel(ctx, label) - return runLabel, imageName, err -} - -// GenerateRunlabelCommand generates the command that will eventually be executed by Podman. -func GenerateRunlabelCommand(runLabel, imageName, name string, opts map[string]string, extraArgs []string, globalOpts string) ([]string, []string, error) { - // If no name is provided, we use the image's basename instead. - if name == "" { - baseName, err := image.GetImageBaseName(imageName) - if err != nil { - return nil, nil, err - } - name = baseName - } - // The user provided extra arguments that need to be tacked onto the label's command. - if len(extraArgs) > 0 { - runLabel = fmt.Sprintf("%s %s", runLabel, strings.Join(extraArgs, " ")) - } - cmd, err := GenerateCommand(runLabel, imageName, name, globalOpts) - if err != nil { - return nil, nil, errors.Wrapf(err, "unable to generate command") - } - env := GenerateRunEnvironment(name, imageName, opts) - env = append(env, "PODMAN_RUNLABEL_NESTED=1") - - envmap := envSliceToMap(env) - - envmapper := func(k string) string { - switch k { - case "OPT1": - return envmap["OPT1"] - case "OPT2": - return envmap["OPT2"] - case "OPT3": - return envmap["OPT3"] - case "PWD": - // I would prefer to use os.getenv but it appears PWD is not in the os env list. - d, err := os.Getwd() - if err != nil { - logrus.Error("unable to determine current working directory") - return "" - } - return d - } - return "" - } - newS := os.Expand(strings.Join(cmd, " "), envmapper) - cmd, err = shlex.Split(newS) - if err != nil { - return nil, nil, err - } - return cmd, env, nil -} - -func envSliceToMap(env []string) map[string]string { - m := make(map[string]string) - for _, i := range env { - split := strings.Split(i, "=") - m[split[0]] = strings.Join(split[1:], " ") - } - return m -} - -// GenerateKube generates kubernetes yaml based on a pod or container. -func GenerateKube(name string, service bool, r *libpod.Runtime) (*v1.Pod, *v1.Service, error) { - var ( - pod *libpod.Pod - podYAML *v1.Pod - err error - container *libpod.Container - servicePorts []v1.ServicePort - serviceYAML v1.Service - ) - // Get the container in question. - container, err = r.LookupContainer(name) - if err != nil { - pod, err = r.LookupPod(name) - if err != nil { - return nil, nil, err - } - podYAML, servicePorts, err = pod.GenerateForKube() - } else { - if len(container.Dependencies()) > 0 { - return nil, nil, errors.Wrapf(define.ErrNotImplemented, "containers with dependencies") - } - podYAML, err = container.GenerateForKube() - } - if err != nil { - return nil, nil, err - } - - if service { - serviceYAML = libpod.GenerateKubeServiceFromV1Pod(podYAML, servicePorts) - } - return podYAML, &serviceYAML, nil -} - -// Parallelize provides the maximum number of parallel workers (int) as calculated by a basic -// heuristic. This can be overridden by the --max-workers primary switch to podman. -func Parallelize(job string) int { - numCpus := runtime.NumCPU() - switch job { - case "kill": - if numCpus <= 3 { - return numCpus * 3 - } - return numCpus * 4 - case "pause": - if numCpus <= 3 { - return numCpus * 3 - } - return numCpus * 4 - case "ps": - return 8 - case "restart": - return numCpus * 2 - case "rm": - if numCpus <= 3 { - return numCpus * 3 - } else { - return numCpus * 4 - } - case "stop": - if numCpus <= 2 { - return 4 - } else { - return numCpus * 3 - } - case "unpause": - if numCpus <= 3 { - return numCpus * 3 - } - return numCpus * 4 - } - return 3 -} |