summaryrefslogtreecommitdiff
path: root/cmd/kpod
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/kpod')
-rw-r--r--cmd/kpod/ps.go314
1 files changed, 222 insertions, 92 deletions
diff --git a/cmd/kpod/ps.go b/cmd/kpod/ps.go
index a5f64ed11..13d72429e 100644
--- a/cmd/kpod/ps.go
+++ b/cmd/kpod/ps.go
@@ -15,9 +15,11 @@ import (
"k8s.io/apimachinery/pkg/fields"
+ "fmt"
"github.com/pkg/errors"
"github.com/projectatomic/libpod/cmd/kpod/formats"
"github.com/projectatomic/libpod/libkpod"
+ "github.com/projectatomic/libpod/libpod"
"github.com/projectatomic/libpod/oci"
"github.com/urfave/cli"
)
@@ -144,18 +146,19 @@ func psCmd(c *cli.Context) error {
if err := validateFlags(c, psFlags); err != nil {
return err
}
- config, err := getConfig(c)
- if err != nil {
- return errors.Wrapf(err, "could not get config")
+
+ // latest, and last are mutually exclusive.
+ if c.Int("last") >= 0 && c.Bool("latest") {
+ return errors.Errorf("last and latest are mutually exclusive")
}
- server, err := libkpod.New(config)
+
+ runtime, err := getRuntime(c)
if err != nil {
- return errors.Wrapf(err, "error creating server")
- }
- if err := server.Update(); err != nil {
- return errors.Wrapf(err, "error updating list of containers")
+ return errors.Wrapf(err, "error creating libpod runtime")
}
+ defer runtime.Shutdown(false)
+
if len(c.Args()) > 0 {
return errors.Errorf("too many arguments, ps takes no arguments")
}
@@ -177,38 +180,128 @@ func psCmd(c *cli.Context) error {
namespace: c.Bool("namespace"),
}
- // all, latest, and last are mutually exclusive. Only one flag can be used at a time
- exclusiveOpts := 0
- if opts.last >= 0 {
- exclusiveOpts++
- }
- if opts.latest {
- exclusiveOpts++
- }
- if opts.all {
- exclusiveOpts++
- }
- if exclusiveOpts > 1 {
- return errors.Errorf("Last, latest and all are mutually exclusive")
+ var filterFuncs []libpod.ContainerFilter
+ // When we are dealing with latest or last=n, we need to
+ // get all containers.
+ if !opts.all && !opts.latest && opts.last < 1 {
+ // only get running containers
+ filterFuncs = append(filterFuncs, func(c *libpod.Container) bool {
+ state, _ := c.State()
+ return state == libpod.ContainerStateRunning
+ })
}
- containers, err := server.ListContainers()
- if err != nil {
- return errors.Wrapf(err, "error getting containers from server")
- }
- var params *FilterParamsPS
if opts.filter != "" {
- params, err = parseFilter(opts.filter, containers)
- if err != nil {
- return errors.Wrapf(err, "error parsing filter")
+ filters := strings.Split(opts.filter, ",")
+ for _, f := range filters {
+ filterSplit := strings.Split(f, "=")
+ if len(filterSplit) < 2 {
+ return errors.Errorf("filter input must be in the form of filter=value: %s is invalid", f)
+ }
+ generatedFunc, err := generateContainerFilterFuncs(filterSplit[0], filterSplit[1], runtime)
+ if err != nil {
+ return errors.Wrapf(err, "invalid filter")
+ }
+ filterFuncs = append(filterFuncs, generatedFunc)
}
+ }
+
+ containers, err := runtime.GetContainers(filterFuncs...)
+ var outputContainers []*libpod.Container
+ if opts.latest && len(containers) > 0 {
+ outputContainers = append(outputContainers, containers[0])
+ } else if opts.last > 0 && opts.last <= len(containers) {
+ outputContainers = append(outputContainers, containers[:opts.last]...)
} else {
- params = nil
+ outputContainers = containers
}
- containerList := getContainersMatchingFilter(containers, params, server)
+ return generatePsOutput(outputContainers, opts)
+}
- return generatePsOutput(containerList, server, opts)
+func generateContainerFilterFuncs(filter, filterValue string, runtime *libpod.Runtime) (func(container *libpod.Container) bool, error) {
+ switch filter {
+ case "id":
+ return func(c *libpod.Container) bool {
+ return c.ID() == filterValue
+ }, nil
+ case "label":
+ return func(c *libpod.Container) bool {
+ for _, label := range c.Labels() {
+ if label == filterValue {
+ return true
+ }
+ }
+ return false
+ }, nil
+ case "name":
+ return func(c *libpod.Container) bool {
+ return c.Name() == filterValue
+ }, 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, err := c.ExitCode()
+ if ec == int32(exitCode) && err == nil {
+ return true
+ }
+ return false
+ }, nil
+ case "status":
+ if !libpod.StringInSlice(filterValue, []string{"created", "restarting", "running", "paused", "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
+ }
+ return status.String() == 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 containerConfig.RootfsImageID == filterValue || containerConfig.RootfsImageName == filterValue {
+ return true
+ }
+ return false
+ }, nil
+ case "before":
+ ctr, err := runtime.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 := runtime.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()
+ //TODO We need to still lookup against volumes too
+ return containerConfig.MountLabel == filterValue
+ }, nil
+ }
+ return nil, errors.Errorf("%s is an invalid filter", filter)
}
// generate the template based on conditions given
@@ -280,37 +373,60 @@ func getContainers(containers []*libkpod.ContainerData, opts psOptions) []*libkp
}
// getTemplateOutput returns the modified container information
-func getTemplateOutput(containers []*libkpod.ContainerData, opts psOptions) (psOutput []psTemplateParams) {
+func getTemplateOutput(containers []*libpod.Container, opts psOptions) ([]psTemplateParams, error) {
+ var psOutput []psTemplateParams
var status string
for _, ctr := range containers {
- ctrID := ctr.ID
- runningFor := units.HumanDuration(time.Since(ctr.State.Created))
+ ctrID := ctr.ID()
+ conConfig := ctr.Config()
+ conState, err := ctr.State()
+ if err != nil {
+ return psOutput, errors.Wrapf(err, "unable to obtain container state")
+ }
+ exitCode, err := ctr.ExitCode()
+ if err != nil {
+ return psOutput, errors.Wrapf(err, "unable to obtain container exit code")
+ }
+ pid, err := ctr.PID()
+ if err != nil {
+ return psOutput, errors.Wrapf(err, "unable to obtain container pid")
+ }
+ runningFor := units.HumanDuration(time.Since(conConfig.CreatedTime))
createdAt := runningFor + " ago"
- command := getStrFromSquareBrackets(ctr.ImageCreatedBy)
- imageName := ctr.FromImage
- mounts := getMounts(ctr.Mounts, opts.noTrunc)
- ports := getPorts(ctr.Config.ExposedPorts)
- size := units.HumanSize(float64(ctr.SizeRootFs))
- labels := getLabels(ctr.Labels)
-
- ns := getNamespaces(ctr.State.Pid)
-
- switch ctr.State.Status {
- case oci.ContainerStateStopped:
- status = "Exited (" + strconv.FormatInt(int64(ctr.State.ExitCode), 10) + ") " + runningFor + " ago"
- case oci.ContainerStateRunning:
+ imageName := conConfig.RootfsImageName
+
+ // TODO We currently dont have the ability to get many of
+ // these data items. Uncomment as progress is made
+
+ //command := getStrFromSquareBrackets(ctr.ImageCreatedBy)
+ command := strings.Join(ctr.Spec().Process.Args, " ")
+ //mounts := getMounts(ctr.Mounts, opts.noTrunc)
+ //ports := getPorts(ctr.Config.ExposedPorts)
+ //size := units.HumanSize(float64(ctr.SizeRootFs))
+ labels := formatLabels(ctr.Labels())
+ ns := getNamespaces(pid)
+
+ switch conState {
+ case libpod.ContainerStateStopped:
+ status = fmt.Sprintf("Exited (%d) %s ago", exitCode, runningFor)
+ case libpod.ContainerStateRunning:
status = "Up " + runningFor + " ago"
- case oci.ContainerStatePaused:
+ case libpod.ContainerStatePaused:
status = "Paused"
- default:
+ case libpod.ContainerStateCreated:
status = "Created"
+ default:
+ status = "Dead"
}
if !opts.noTrunc {
- ctrID = ctr.ID[:idTruncLength]
- imageName = getImageName(ctr.FromImage)
+ ctrID = ctr.ID()[:idTruncLength]
+ imageName = conConfig.RootfsImageName
}
+ // TODO We currently dont have the ability to get many of
+ // these data items. Uncomment as progress is made
+
params := psTemplateParams{
ID: ctrID,
Image: imageName,
@@ -318,23 +434,23 @@ func getTemplateOutput(containers []*libkpod.ContainerData, opts psOptions) (psO
CreatedAt: createdAt,
RunningFor: runningFor,
Status: status,
- Ports: ports,
- Size: size,
- Names: ctr.Name,
- Labels: labels,
- Mounts: mounts,
- PID: ctr.State.Pid,
- Cgroup: ns.Cgroup,
- IPC: ns.IPC,
- MNT: ns.MNT,
- NET: ns.NET,
- PIDNS: ns.PID,
- User: ns.User,
- UTS: ns.UTS,
+ //Ports: ports,
+ //Size: size,
+ Names: ctr.Name(),
+ Labels: labels,
+ //Mounts: mounts,
+ PID: pid,
+ Cgroup: ns.Cgroup,
+ IPC: ns.IPC,
+ MNT: ns.MNT,
+ NET: ns.NET,
+ PIDNS: ns.PID,
+ User: ns.User,
+ UTS: ns.UTS,
}
psOutput = append(psOutput, params)
}
- return
+ return psOutput, nil
}
func getNamespaces(pid int) *namespace {
@@ -368,50 +484,64 @@ func getNamespaceInfo(path string) (string, error) {
}
// getJSONOutput returns the container info in its raw form
-func getJSONOutput(containers []*libkpod.ContainerData, nSpace bool) (psOutput []psJSONParams) {
+func getJSONOutput(containers []*libpod.Container, nSpace bool) ([]psJSONParams, error) {
+ var psOutput []psJSONParams
var ns *namespace
for _, ctr := range containers {
+ pid, err := ctr.PID()
+ if err != nil {
+ return psOutput, errors.Wrapf(err, "unable to obtain container pid")
+ }
if nSpace {
- ns = getNamespaces(ctr.State.Pid)
+ ns = getNamespaces(pid)
+ }
+ cc := ctr.Config()
+ conState, err := ctr.State()
+ if err != nil {
+ return psOutput, errors.Wrapf(err, "unable to obtain container state for JSON output")
}
-
params := psJSONParams{
- ID: ctr.ID,
- Image: ctr.FromImage,
- ImageID: ctr.FromImageID,
- Command: getStrFromSquareBrackets(ctr.ImageCreatedBy),
- CreatedAt: ctr.State.Created,
- RunningFor: time.Since(ctr.State.Created),
- Status: ctr.State.Status,
- Ports: ctr.Config.ExposedPorts,
- Size: ctr.SizeRootFs,
- Names: ctr.Name,
- Labels: ctr.Labels,
- Mounts: ctr.Mounts,
- ContainerRunning: ctr.State.Status == oci.ContainerStateRunning,
+ // TODO When we have ability to obtain the commented out data, we need
+ // TODO to add it
+ ID: ctr.ID(),
+ Image: cc.RootfsImageName,
+ ImageID: cc.RootfsImageID,
+ //Command: getStrFromSquareBrackets(ctr.ImageCreatedBy),
+ Command: strings.Join(ctr.Spec().Process.Args, " "),
+ CreatedAt: cc.CreatedTime,
+ RunningFor: time.Since(cc.CreatedTime),
+ Status: conState.String(),
+ //Ports: cc.Spec.Linux.Resources.Network.
+ //Size: ctr.SizeRootFs,
+ Names: cc.Name,
+ Labels: cc.Labels,
+ Mounts: cc.Spec.Mounts,
+ ContainerRunning: conState.String() == oci.ContainerStateRunning,
Namespaces: ns,
}
psOutput = append(psOutput, params)
}
- return
+ return psOutput, nil
}
-func generatePsOutput(containers []*libkpod.ContainerData, server *libkpod.ContainerServer, opts psOptions) error {
- containersOutput := getContainers(containers, opts)
- // In the case of JSON, we want to continue so we at least pass
- // {} --valid JSON-- to the consumer
- if len(containersOutput) == 0 && opts.format != formats.JSONString {
+func generatePsOutput(containers []*libpod.Container, opts psOptions) error {
+ if len(containers) == 0 && opts.format != formats.JSONString {
return nil
}
-
var out formats.Writer
switch opts.format {
case formats.JSONString:
- psOutput := getJSONOutput(containersOutput, opts.namespace)
+ psOutput, err := getJSONOutput(containers, opts.namespace)
+ if err != nil {
+ return errors.Wrapf(err, "unable to create JSON for output")
+ }
out = formats.JSONStructArray{Output: psToGeneric([]psTemplateParams{}, psOutput)}
default:
- psOutput := getTemplateOutput(containersOutput, opts)
+ psOutput, err := getTemplateOutput(containers, opts)
+ if err != nil {
+ return errors.Wrapf(err, "unable to create output")
+ }
out = formats.StdoutTemplateArray{Output: psToGeneric(psOutput, []psJSONParams{}), Template: opts.format, Fields: psOutput[0].headerMap()}
}
@@ -440,7 +570,7 @@ func getImageName(img string) string {
}
// getLabels converts the labels to a string of the form "key=value, key2=value2"
-func getLabels(labels fields.Set) string {
+func formatLabels(labels map[string]string) string {
var arr []string
if len(labels) > 0 {
for key, val := range labels {
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-26 05:36:27 +0000