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Merge pull request #4275 from vrothberg/fix-4274

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stats: list all running containers unless specified otherwise
This commit is contained in:
OpenShift Merge Robot
2019-10-23 15:43:49 +02:00
committed by GitHub
parent 46ad6bc1fa 77a2bbb1c0
commit ef556cfecf
3 changed files with 17 additions and 9 deletions
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7
cmd/podman/stats.go
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@ -35,7 +35,7 @@ var (
statsDescription = "Display percentage of CPU, memory, network I/O, block I/O and PIDs for one or more containers." statsDescription = "Display percentage of CPU, memory, network I/O, block I/O and PIDs for one or more containers."
_statsCommand = &cobra.Command{ _statsCommand = &cobra.Command{
Use: "stats [flags] CONTAINER [CONTAINER...]", Use: "stats [flags] [CONTAINER...]",
Short: "Display a live stream of container resource usage statistics", Short: "Display a live stream of container resource usage statistics",
Long: statsDescription, Long: statsDescription,
RunE: func(cmd *cobra.Command, args []string) error { RunE: func(cmd *cobra.Command, args []string) error {
@ -44,9 +44,6 @@ var (
statsCommand.Remote = remoteclient statsCommand.Remote = remoteclient
return statsCmd(&statsCommand) return statsCmd(&statsCommand)
}, },
Args: func(cmd *cobra.Command, args []string) error {
return checkAllAndLatest(cmd, args, false)
},
Example: `podman stats --all --no-stream Example: `podman stats --all --no-stream
podman stats ctrID podman stats ctrID
podman stats --no-stream --format "table {{.ID}} {{.Name}} {{.MemUsage}}" ctrID`, podman stats --no-stream --format "table {{.ID}} {{.Name}} {{.MemUsage}}" ctrID`,
@ -92,8 +89,6 @@ func statsCmd(c *cliconfig.StatsValues) error {
if ctr > 1 { if ctr > 1 {
return errors.Errorf("--all, --latest and containers cannot be used together") return errors.Errorf("--all, --latest and containers cannot be used together")
} else if ctr == 0 {
return errors.Errorf("you must specify --all, --latest, or at least one container")
} }
runtime, err := libpodruntime.GetRuntime(getContext(), &c.PodmanCommand) runtime, err := libpodruntime.GetRuntime(getContext(), &c.PodmanCommand)

11
test/e2e/stats_test.go
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@ -11,6 +11,8 @@ import (
. "github.com/onsi/gomega" . "github.com/onsi/gomega"
) )
// TODO: we need to check the output. Currently, we only check the exit codes
// which is not enough.
var _ = Describe("Podman stats", func() { var _ = Describe("Podman stats", func() {
var ( var (
tempdir string tempdir string
@ -61,6 +63,15 @@ var _ = Describe("Podman stats", func() {
Expect(session.ExitCode()).To(Equal(0)) Expect(session.ExitCode()).To(Equal(0))
}) })
It("podman stats on all running containers", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"stats", "--no-stream"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
})
It("podman stats only output cids", func() { It("podman stats only output cids", func() {
session := podmanTest.RunTopContainer("") session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout() session.WaitWithDefaultTimeout()

2
test/system/015-help.bats
View File

@ -55,10 +55,12 @@ function check_help() {
# If usage has required arguments, try running without them # If usage has required arguments, try running without them
if expr "$usage" : '.*\[flags\] [A-Z]' >/dev/null; then if expr "$usage" : '.*\[flags\] [A-Z]' >/dev/null; then
if [ "$cmd" != "stats"]; then
dprint "podman $@ $cmd (without required args)" dprint "podman $@ $cmd (without required args)"
run_podman 125 "$@" $cmd run_podman 125 "$@" $cmd
is "$output" "Error:" is "$output" "Error:"
fi fi
fi
count=$(expr $count + 1) count=$(expr $count + 1)
done done