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-rw-r--r--pkg/varlinkapi/container.go928
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
-}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-18 18:14:29 +0000