aboutsummaryrefslogtreecommitdiff
path: root/cmd/podman/pod_stats.go
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/podman/pod_stats.go')
-rw-r--r--cmd/podman/pod_stats.go62
1 files changed, 24 insertions, 38 deletions
diff --git a/cmd/podman/pod_stats.go b/cmd/podman/pod_stats.go
index f5edd21f8..e8ff322ce 100644
--- a/cmd/podman/pod_stats.go
+++ b/cmd/podman/pod_stats.go
@@ -11,10 +11,10 @@ import (
"encoding/json"
tm "github.com/buger/goterm"
+ "github.com/containers/buildah/pkg/formats"
"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"
@@ -22,10 +22,11 @@ import (
var (
podStatsCommand cliconfig.PodStatsValues
- podStatsDescription = "Display a live stream of resource usage statistics for the containers in or more pods"
- _podStatsCommand = &cobra.Command{
- Use: "stats [flags] POD [POD...]",
- Short: "Display percentage of CPU, memory, network I/O, block I/O and PIDs for containers in one or more pods",
+ podStatsDescription = `For each specified pod this command will display percentage of CPU, memory, network I/O, block I/O and PIDs for containers in one the pods.`
+
+ _podStatsCommand = &cobra.Command{
+ Use: "stats [flags] [POD...]",
+ Short: "Display a live stream of resource usage statistics for the containers in one or more pods",
Long: podStatsDescription,
RunE: func(cmd *cobra.Command, args []string) error {
podStatsCommand.InputArgs = args
@@ -40,6 +41,7 @@ var (
func init() {
podStatsCommand.Command = _podStatsCommand
+ podStatsCommand.SetHelpTemplate(HelpTemplate())
podStatsCommand.SetUsageTemplate(UsageTemplate())
flags := podStatsCommand.Flags()
flags.BoolVarP(&podStatsCommand.All, "all", "a", false, "Provide stats for all running pods")
@@ -51,9 +53,10 @@ func init() {
}
func podStatsCmd(c *cliconfig.PodStatsValues) error {
- var (
- podFunc func() ([]*libpod.Pod, error)
- )
+
+ if os.Geteuid() != 0 {
+ return errors.New("stats is not supported in rootless mode")
+ }
format := c.Format
all := c.All
@@ -76,7 +79,7 @@ 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 +90,12 @@ 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 +106,7 @@ 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 +114,10 @@ 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 +150,7 @@ 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 +160,7 @@ func podStatsCmd(c *cliconfig.PodStatsValues) error {
if err != nil {
return err
}
- newPod := libpod.PodContainerStats{
+ newPod := adapter.PodContainerStats{
Pod: p,
ContainerStats: newPodStats,
}
@@ -202,7 +188,7 @@ 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 +197,7 @@ 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 +281,7 @@ 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 +290,7 @@ 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
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-18 18:34:19 +0000