diff --git a/cmd/podman/commands.go b/cmd/podman/commands.go
index c261e54e27..483ada3325 100644
--- a/cmd/podman/commands.go
+++ b/cmd/podman/commands.go
@@ -85,14 +85,6 @@ func getContainerSubCommands() []*cobra.Command {
}
}
-// Commands that the local client implements
-func getPodSubCommands() []*cobra.Command {
- return []*cobra.Command{
- _podStatsCommand,
- _podTopCommand,
- }
-}
-
func getGenerateSubCommands() []*cobra.Command {
return []*cobra.Command{
_containerKubeCommand,
diff --git a/cmd/podman/commands_remoteclient.go b/cmd/podman/commands_remoteclient.go
index 081043b257..a278761c18 100644
--- a/cmd/podman/commands_remoteclient.go
+++ b/cmd/podman/commands_remoteclient.go
@@ -28,11 +28,6 @@ func getContainerSubCommands() []*cobra.Command {
return []*cobra.Command{}
}
-// commands that only the remoteclient implements
-func getPodSubCommands() []*cobra.Command {
- return []*cobra.Command{}
-}
-
// commands that only the remoteclient implements
func getGenerateSubCommands() []*cobra.Command {
return []*cobra.Command{}
diff --git a/cmd/podman/pod.go b/cmd/podman/pod.go
index c1350bd4dd..7067f24292 100644
--- a/cmd/podman/pod.go
+++ b/cmd/podman/pod.go
@@ -29,12 +29,13 @@ var podSubCommands = []*cobra.Command{
_podRestartCommand,
_podRmCommand,
_podStartCommand,
+ _podStatsCommand,
_podStopCommand,
+ _podTopCommand,
_podUnpauseCommand,
}
func init() {
podCommand.AddCommand(podSubCommands...)
- podCommand.AddCommand(getPodSubCommands()...)
podCommand.SetUsageTemplate(UsageTemplate())
}
diff --git a/cmd/podman/pod_stats.go b/cmd/podman/pod_stats.go
index f5edd21f88..2761ce9ccb 100644
--- a/cmd/podman/pod_stats.go
+++ b/cmd/podman/pod_stats.go
@@ -13,8 +13,8 @@ import (
tm "github.com/buger/goterm"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/cmd/podman/formats"
- "github.com/containers/libpod/cmd/podman/libpodruntime"
"github.com/containers/libpod/libpod"
+ "github.com/containers/libpod/pkg/adapter"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/ulule/deepcopier"
@@ -51,10 +51,6 @@ func init() {
}
func podStatsCmd(c *cliconfig.PodStatsValues) error {
- var (
- podFunc func() ([]*libpod.Pod, error)
- )
-
format := c.Format
all := c.All
latest := c.Latest
@@ -76,7 +72,7 @@ func podStatsCmd(c *cliconfig.PodStatsValues) error {
all = true
}
- runtime, err := libpodruntime.GetRuntime(&c.PodmanCommand)
+ runtime, err := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
@@ -87,29 +83,12 @@ func podStatsCmd(c *cliconfig.PodStatsValues) error {
times = 1
}
- if len(c.InputArgs) > 0 {
- podFunc = func() ([]*libpod.Pod, error) { return getPodsByList(c.InputArgs, runtime) }
- } else if latest {
- podFunc = func() ([]*libpod.Pod, error) {
- latestPod, err := runtime.GetLatestPod()
- if err != nil {
- return nil, err
- }
- return []*libpod.Pod{latestPod}, err
- }
- } else if all {
- podFunc = runtime.GetAllPods
- } else {
- podFunc = runtime.GetRunningPods
- }
-
- pods, err := podFunc()
+ pods, err := runtime.GetStatPods(c)
if err != nil {
return errors.Wrapf(err, "unable to get a list of pods")
}
-
// First we need to get an initial pass of pod/ctr stats (these are not printed)
- var podStats []*libpod.PodContainerStats
+ var podStats []*adapter.PodContainerStats
for _, p := range pods {
cons, err := p.AllContainersByID()
if err != nil {
@@ -120,7 +99,7 @@ func podStatsCmd(c *cliconfig.PodStatsValues) error {
for _, c := range cons {
emptyStats[c] = &libpod.ContainerStats{}
}
- ps := libpod.PodContainerStats{
+ ps := adapter.PodContainerStats{
Pod: p,
ContainerStats: emptyStats,
}
@@ -128,10 +107,10 @@ func podStatsCmd(c *cliconfig.PodStatsValues) error {
}
// Create empty container stat results for our first pass
- var previousPodStats []*libpod.PodContainerStats
+ var previousPodStats []*adapter.PodContainerStats
for _, p := range pods {
cs := make(map[string]*libpod.ContainerStats)
- pcs := libpod.PodContainerStats{
+ pcs := adapter.PodContainerStats{
Pod: p,
ContainerStats: cs,
}
@@ -164,7 +143,7 @@ func podStatsCmd(c *cliconfig.PodStatsValues) error {
}
for i := 0; i < times; i += step {
- var newStats []*libpod.PodContainerStats
+ var newStats []*adapter.PodContainerStats
for _, p := range pods {
prevStat := getPreviousPodContainerStats(p.ID(), previousPodStats)
newPodStats, err := p.GetPodStats(prevStat)
@@ -174,7 +153,7 @@ func podStatsCmd(c *cliconfig.PodStatsValues) error {
if err != nil {
return err
}
- newPod := libpod.PodContainerStats{
+ newPod := adapter.PodContainerStats{
Pod: p,
ContainerStats: newPodStats,
}
@@ -202,7 +181,7 @@ func podStatsCmd(c *cliconfig.PodStatsValues) error {
time.Sleep(time.Second)
previousPodStats := new([]*libpod.PodContainerStats)
deepcopier.Copy(newStats).To(previousPodStats)
- pods, err = podFunc()
+ pods, err = runtime.GetStatPods(c)
if err != nil {
return err
}
@@ -211,7 +190,7 @@ func podStatsCmd(c *cliconfig.PodStatsValues) error {
return nil
}
-func podContainerStatsToPodStatOut(stats []*libpod.PodContainerStats) []*podStatOut {
+func podContainerStatsToPodStatOut(stats []*adapter.PodContainerStats) []*podStatOut {
var out []*podStatOut
for _, p := range stats {
for _, c := range p.ContainerStats {
@@ -295,7 +274,7 @@ func outputToStdOut(stats []*podStatOut) {
w.Flush()
}
-func getPreviousPodContainerStats(podID string, prev []*libpod.PodContainerStats) map[string]*libpod.ContainerStats {
+func getPreviousPodContainerStats(podID string, prev []*adapter.PodContainerStats) map[string]*libpod.ContainerStats {
for _, p := range prev {
if podID == p.Pod.ID() {
return p.ContainerStats
@@ -304,7 +283,7 @@ func getPreviousPodContainerStats(podID string, prev []*libpod.PodContainerStats
return map[string]*libpod.ContainerStats{}
}
-func outputJson(stats []*libpod.PodContainerStats) error {
+func outputJson(stats []*adapter.PodContainerStats) error {
b, err := json.MarshalIndent(&stats, "", " ")
if err != nil {
return err
diff --git a/cmd/podman/pod_top.go b/cmd/podman/pod_top.go
index 6a26e3dffd..c5383d3766 100644
--- a/cmd/podman/pod_top.go
+++ b/cmd/podman/pod_top.go
@@ -2,13 +2,12 @@ package main
import (
"fmt"
+ "github.com/containers/libpod/pkg/adapter"
"os"
"strings"
"text/tabwriter"
"github.com/containers/libpod/cmd/podman/cliconfig"
- "github.com/containers/libpod/cmd/podman/libpodruntime"
- "github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/libpod"
"github.com/pkg/errors"
"github.com/spf13/cobra"
@@ -50,8 +49,9 @@ func init() {
}
func podTopCmd(c *cliconfig.PodTopValues) error {
- var pod *libpod.Pod
- var err error
+ var (
+ descriptors []string
+ )
args := c.InputArgs
if c.ListDescriptors {
@@ -67,39 +67,22 @@ func podTopCmd(c *cliconfig.PodTopValues) error {
return errors.Errorf("you must provide the name or id of a running pod")
}
- runtime, err := libpodruntime.GetRuntime(&c.PodmanCommand)
+ runtime, err := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "error creating libpod runtime")
}
defer runtime.Shutdown(false)
- var descriptors []string
if c.Latest {
descriptors = args
- pod, err = runtime.GetLatestPod()
} else {
descriptors = args[1:]
- pod, err = runtime.LookupPod(args[0])
}
-
- if err != nil {
- return errors.Wrapf(err, "unable to lookup requested container")
- }
-
- podStatus, err := shared.GetPodStatus(pod)
- if err != nil {
- return err
- }
- if podStatus != "Running" {
- return errors.Errorf("pod top can only be used on pods with at least one running container")
- }
-
- psOutput, err := pod.GetPodPidInformation(descriptors)
- if err != nil {
- return err
- }
-
w := tabwriter.NewWriter(os.Stdout, 5, 1, 3, ' ', 0)
+ psOutput, err := runtime.PodTop(c, descriptors)
+ if err != nil {
+ return err
+ }
for _, proc := range psOutput {
fmt.Fprintln(w, proc)
}
diff --git a/cmd/podman/varlink/io.podman.varlink b/cmd/podman/varlink/io.podman.varlink
index 73e6c15f93..a50b7dd13e 100644
--- a/cmd/podman/varlink/io.podman.varlink
+++ b/cmd/podman/varlink/io.podman.varlink
@@ -549,6 +549,10 @@ method ExportContainer(name: string, path: string) -> (tarfile: string)
# ~~~
method GetContainerStats(name: string) -> (container: ContainerStats)
+# GetContainerStatsWithHistory takes a previous set of container statistics and uses libpod functions
+# to calculate the containers statistics based on current and previous measurements.
+method GetContainerStatsWithHistory(previousStats: ContainerStats) -> (container: ContainerStats)
+
# This method has not be implemented yet.
# method ResizeContainerTty() -> (notimplemented: NotImplemented)
@@ -952,8 +956,7 @@ method RemovePod(name: string, force: bool) -> (pod: string)
# This method has not be implemented yet.
# method WaitPod() -> (notimplemented: NotImplemented)
-# This method has not been implemented yet.
-# method TopPod() -> (notimplemented: NotImplemented)
+method TopPod(pod: string, latest: bool, descriptors: []string) -> (stats: []string)
# GetPodStats takes the name or ID of a pod and returns a pod name and slice of ContainerStats structure which
# contains attributes like memory and cpu usage. If the pod cannot be found, a [PodNotFound](#PodNotFound)
diff --git a/pkg/adapter/pods.go b/pkg/adapter/pods.go
index 706a8fe961..669971789e 100644
--- a/pkg/adapter/pods.go
+++ b/pkg/adapter/pods.go
@@ -4,6 +4,7 @@ package adapter
import (
"context"
+ "github.com/pkg/errors"
"strings"
"github.com/containers/libpod/cmd/podman/cliconfig"
@@ -17,6 +18,13 @@ type Pod struct {
*libpod.Pod
}
+// PodContainerStats is struct containing an adapter Pod and a libpod
+// ContainerStats and is used primarily for outputing pod stats.
+type PodContainerStats struct {
+ Pod *Pod
+ ContainerStats map[string]*libpod.ContainerStats
+}
+
// RemovePods ...
func (r *LocalRuntime) RemovePods(ctx context.Context, cli *cliconfig.PodRmValues) ([]string, []error) {
var (
@@ -321,3 +329,55 @@ func (r *LocalRuntime) RestartPods(ctx context.Context, c *cliconfig.PodRestartV
return restartIDs, containerErrors, restartErrors
}
+
+// PodTop is a wrapper function to call GetPodPidInformation in libpod and return its results
+// for output
+func (r *LocalRuntime) PodTop(c *cliconfig.PodTopValues, descriptors []string) ([]string, error) {
+ var (
+ pod *Pod
+ err error
+ )
+
+ if c.Latest {
+ pod, err = r.GetLatestPod()
+ } else {
+ pod, err = r.LookupPod(c.InputArgs[0])
+ }
+ if err != nil {
+ return nil, errors.Wrapf(err, "unable to lookup requested container")
+ }
+ podStatus, err := pod.GetPodStatus()
+ if err != nil {
+ return nil, errors.Wrapf(err, "unable to get status for pod %s", pod.ID())
+ }
+ if podStatus != "Running" {
+ return nil, errors.Errorf("pod top can only be used on pods with at least one running container")
+ }
+ return pod.GetPodPidInformation(descriptors)
+}
+
+// GetStatPods returns pods for use in pod stats
+func (r *LocalRuntime) GetStatPods(c *cliconfig.PodStatsValues) ([]*Pod, error) {
+ var (
+ adapterPods []*Pod
+ pods []*libpod.Pod
+ err error
+ )
+
+ if len(c.InputArgs) > 0 || c.Latest || c.All {
+ pods, err = shortcuts.GetPodsByContext(c.All, c.Latest, c.InputArgs, r.Runtime)
+ } else {
+ pods, err = r.Runtime.GetRunningPods()
+ }
+ if err != nil {
+ return nil, err
+ }
+ // convert libpod pods to adapter pods
+ for _, p := range pods {
+ adapterPod := Pod{
+ p,
+ }
+ adapterPods = append(adapterPods, &adapterPod)
+ }
+ return adapterPods, nil
+}
diff --git a/pkg/adapter/pods_remote.go b/pkg/adapter/pods_remote.go
index 220f7163fa..ef8de90a68 100644
--- a/pkg/adapter/pods_remote.go
+++ b/pkg/adapter/pods_remote.go
@@ -12,6 +12,7 @@ import (
"github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/cmd/podman/varlink"
"github.com/containers/libpod/libpod"
+ "github.com/containers/libpod/pkg/varlinkapi"
"github.com/pkg/errors"
"github.com/ulule/deepcopier"
)
@@ -21,6 +22,13 @@ type Pod struct {
remotepod
}
+// PodContainerStats is struct containing an adapter Pod and a libpod
+// ContainerStats and is used primarily for outputing pod stats.
+type PodContainerStats struct {
+ Pod *Pod
+ ContainerStats map[string]*libpod.ContainerStats
+}
+
type remotepod struct {
config *libpod.PodConfig
state *libpod.PodInspectState
@@ -399,3 +407,103 @@ func (r *LocalRuntime) RestartPods(ctx context.Context, c *cliconfig.PodRestartV
}
return restartIDs, nil, restartErrors
}
+
+// PodTop gets top statistics for a pod
+func (r *LocalRuntime) PodTop(c *cliconfig.PodTopValues, descriptors []string) ([]string, error) {
+ var (
+ latest bool
+ podName string
+ )
+ if c.Latest {
+ latest = true
+ } else {
+ podName = c.InputArgs[0]
+ }
+ return iopodman.TopPod().Call(r.Conn, podName, latest, descriptors)
+}
+
+// GetStatPods returns pods for use in pod stats
+func (r *LocalRuntime) GetStatPods(c *cliconfig.PodStatsValues) ([]*Pod, error) {
+ var (
+ pods []*Pod
+ err error
+ podIDs []string
+ running bool
+ )
+
+ if len(c.InputArgs) > 0 || c.Latest || c.All {
+ podIDs, err = iopodman.GetPodsByContext().Call(r.Conn, c.All, c.Latest, c.InputArgs)
+ } else {
+ podIDs, err = iopodman.GetPodsByContext().Call(r.Conn, true, false, []string{})
+ running = true
+ }
+ if err != nil {
+ return nil, err
+ }
+ for _, p := range podIDs {
+ pod, err := r.Inspect(p)
+ if err != nil {
+ return nil, err
+ }
+ if running {
+ status, err := pod.GetPodStatus()
+ if err != nil {
+ // if we cannot get the status of the pod, skip and move on
+ continue
+ }
+ if strings.ToUpper(status) != "RUNNING" {
+ // if the pod is not running, skip and move on as well
+ continue
+ }
+ }
+ pods = append(pods, pod)
+ }
+ return pods, nil
+}
+
+// GetPodStats returns the stats for each of its containers
+func (p *Pod) GetPodStats(previousContainerStats map[string]*libpod.ContainerStats) (map[string]*libpod.ContainerStats, error) {
+ var (
+ ok bool
+ prevStat *libpod.ContainerStats
+ )
+ newContainerStats := make(map[string]*libpod.ContainerStats)
+ containers, err := p.AllContainers()
+ if err != nil {
+ return nil, err
+ }
+ for _, c := range containers {
+ if prevStat, ok = previousContainerStats[c.ID()]; !ok {
+ prevStat = &libpod.ContainerStats{ContainerID: c.ID()}
+ }
+ cStats := iopodman.ContainerStats{
+ Id: prevStat.ContainerID,
+ Name: prevStat.Name,
+ Cpu: prevStat.CPU,
+ Cpu_nano: int64(prevStat.CPUNano),
+ System_nano: int64(prevStat.SystemNano),
+ Mem_usage: int64(prevStat.MemUsage),
+ Mem_limit: int64(prevStat.MemLimit),
+ Mem_perc: prevStat.MemPerc,
+ Net_input: int64(prevStat.NetInput),
+ Net_output: int64(prevStat.NetOutput),
+ Block_input: int64(prevStat.BlockInput),
+ Block_output: int64(prevStat.BlockOutput),
+ Pids: int64(prevStat.PIDs),
+ }
+ stats, err := iopodman.GetContainerStatsWithHistory().Call(p.Runtime.Conn, cStats)
+ if err != nil {
+ return nil, err
+ }
+ newStats := varlinkapi.ContainerStatsToLibpodContainerStats(stats)
+ // If the container wasn't running, don't include it
+ // but also suppress the error
+ if err != nil && errors.Cause(err) != libpod.ErrCtrStateInvalid {
+ return nil, err
+ }
+ if err == nil {
+ newContainerStats[c.ID()] = &newStats
+ }
+ }
+ return newContainerStats, nil
+}
diff --git a/pkg/varlinkapi/containers.go b/pkg/varlinkapi/containers.go
index 27b8d15d21..61da19c830 100644
--- a/pkg/varlinkapi/containers.go
+++ b/pkg/varlinkapi/containers.go
@@ -552,3 +552,54 @@ func (i *LibpodAPI) ContainerStateData(call iopodman.VarlinkCall, name string) e
}
return call.ReplyContainerStateData(string(b))
}
+
+// GetContainerStatsWithHistory is a varlink endpoint that returns container stats based on current and
+// previous statistics
+func (i *LibpodAPI) GetContainerStatsWithHistory(call iopodman.VarlinkCall, prevStats iopodman.ContainerStats) error {
+ con, err := i.Runtime.LookupContainer(prevStats.Id)
+ if err != nil {
+ return call.ReplyContainerNotFound(prevStats.Id, err.Error())
+ }
+ previousStats := ContainerStatsToLibpodContainerStats(prevStats)
+ stats, err := con.GetContainerStats(&previousStats)
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ cStats := iopodman.ContainerStats{
+ Id: stats.ContainerID,
+ Name: stats.Name,
+ Cpu: stats.CPU,
+ Cpu_nano: int64(stats.CPUNano),
+ System_nano: int64(stats.SystemNano),
+ Mem_usage: int64(stats.MemUsage),
+ Mem_limit: int64(stats.MemLimit),
+ Mem_perc: stats.MemPerc,
+ Net_input: int64(stats.NetInput),
+ Net_output: int64(stats.NetOutput),
+ Block_input: int64(stats.BlockInput),
+ Block_output: int64(stats.BlockOutput),
+ Pids: int64(stats.PIDs),
+ }
+ return call.ReplyGetContainerStatsWithHistory(cStats)
+}
+
+// ContainerStatsToLibpodContainerStats converts the varlink containerstats to a libpod
+// container stats
+func ContainerStatsToLibpodContainerStats(stats iopodman.ContainerStats) libpod.ContainerStats {
+ cstats := libpod.ContainerStats{
+ ContainerID: stats.Id,
+ Name: stats.Name,
+ CPU: stats.Cpu,
+ CPUNano: uint64(stats.Cpu_nano),
+ SystemNano: uint64(stats.System_nano),
+ MemUsage: uint64(stats.Mem_usage),
+ MemLimit: uint64(stats.Mem_limit),
+ MemPerc: stats.Mem_perc,
+ NetInput: uint64(stats.Net_input),
+ NetOutput: uint64(stats.Net_output),
+ BlockInput: uint64(stats.Block_input),
+ BlockOutput: uint64(stats.Block_output),
+ PIDs: uint64(stats.Pids),
+ }
+ return cstats
+}
diff --git a/pkg/varlinkapi/pods.go b/pkg/varlinkapi/pods.go
index 4ca4c42709..c79cee4c2e 100644
--- a/pkg/varlinkapi/pods.go
+++ b/pkg/varlinkapi/pods.go
@@ -2,6 +2,7 @@ package varlinkapi
import (
"encoding/json"
+ "fmt"
"github.com/containers/libpod/pkg/adapter/shortcuts"
"github.com/containers/libpod/pkg/rootless"
"syscall"
@@ -299,3 +300,33 @@ func (i *LibpodAPI) PodStateData(call iopodman.VarlinkCall, name string) error {
}
return call.ReplyPodStateData(string(b))
}
+
+// TopPod provides the top stats for a given or latest pod
+func (i *LibpodAPI) TopPod(call iopodman.VarlinkCall, name string, latest bool, descriptors []string) error {
+ var (
+ pod *libpod.Pod
+ err error
+ )
+ if latest {
+ name = "latest"
+ pod, err = i.Runtime.GetLatestPod()
+ } else {
+ pod, err = i.Runtime.LookupPod(name)
+ }
+ if err != nil {
+ return call.ReplyPodNotFound(name, err.Error())
+ }
+
+ podStatus, err := shared.GetPodStatus(pod)
+ if err != nil {
+ return call.ReplyErrorOccurred(fmt.Sprintf("unable to get status for pod %s", pod.ID()))
+ }
+ if podStatus != "Running" {
+ return call.ReplyErrorOccurred("pod top can only be used on pods with at least one running container")
+ }
+ reply, err := pod.GetPodPidInformation(descriptors)
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ return call.ReplyTopPod(reply)
+}