e2e tests: re-enable and fix podman stats tests

Renamed podman pod stats test specs to distinguish them from podman stats tests.
podman stats tests where disabled by a +build flag.
Fix podman stats format test, add negative test.
Fix podman stats cli command, exit non-zero on invalid format string.
Add tests for podman stats interval flag.

Signed-off-by: Thomas Weber <towe75@googlemail.com>

cmd/podman/containers/stats.go

@@ -17,7 +17,6 @@ import (
 	"github.com/containers/podman/v3/utils"
 	"github.com/docker/go-units"
 	"github.com/pkg/errors"
-	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 )
 
@@ -140,7 +139,7 @@ func stats(cmd *cobra.Command, args []string) error {
 			return report.Error
 		}
 		if err := outputStats(report.Stats); err != nil {
-			logrus.Error(err)
+			return err
 		}
 	}
 	return nil

pkg/bindings/containers/containers.go

@@ -223,6 +223,9 @@ func Stats(ctx context.Context, containers []string, options *StatsOptions) (cha
 	if err != nil {
 		return nil, err
 	}
+	if !response.IsSuccess() {
+		return nil, response.Process(nil)
+	}
 
 	statsChan := make(chan entities.ContainerStatsReport)
 

test/e2e/pod_stats_test.go

@@ -37,19 +37,19 @@ var _ = Describe("Podman pod stats", func() {
 		processTestResult(f)
 
 	})
-	It("podman stats should run with no pods", func() {
+	It("podman pod stats should run with no pods", func() {
 		session := podmanTest.Podman([]string{"pod", "stats", "--no-stream"})
 		session.WaitWithDefaultTimeout()
 		Expect(session).Should(Exit(0))
 	})
 
-	It("podman stats with a bogus pod", func() {
+	It("podman pod stats with a bogus pod", func() {
 		session := podmanTest.Podman([]string{"pod", "stats", "foobar"})
 		session.WaitWithDefaultTimeout()
 		Expect(session).Should(Exit(125))
 	})
 
-	It("podman stats on a specific running pod", func() {
+	It("podman pod stats on a specific running pod", func() {
 		_, ec, podid := podmanTest.CreatePod(nil)
 		Expect(ec).To(Equal(0))
 
@@ -66,7 +66,7 @@ var _ = Describe("Podman pod stats", func() {
 		Expect(stats).Should(Exit(0))
 	})
 
-	It("podman stats on a specific running pod with shortID", func() {
+	It("podman pod stats on a specific running pod with shortID", func() {
 		_, ec, podid := podmanTest.CreatePod(nil)
 		Expect(ec).To(Equal(0))
 
@@ -83,7 +83,7 @@ var _ = Describe("Podman pod stats", func() {
 		Expect(stats).Should(Exit(0))
 	})
 
-	It("podman stats on a specific running pod with name", func() {
+	It("podman pod stats on a specific running pod with name", func() {
 		_, ec, podid := podmanTest.CreatePod(map[string][]string{"--name": {"test"}})
 		Expect(ec).To(Equal(0))
 
@@ -100,7 +100,7 @@ var _ = Describe("Podman pod stats", func() {
 		Expect(stats).Should(Exit(0))
 	})
 
-	It("podman stats on running pods", func() {
+	It("podman pod stats on running pods", func() {
 		_, ec, podid := podmanTest.CreatePod(nil)
 		Expect(ec).To(Equal(0))
 
@@ -117,7 +117,7 @@ var _ = Describe("Podman pod stats", func() {
 		Expect(stats).Should(Exit(0))
 	})
 
-	It("podman stats on all pods", func() {
+	It("podman pod stats on all pods", func() {
 		_, ec, podid := podmanTest.CreatePod(nil)
 		Expect(ec).To(Equal(0))
 
@@ -134,7 +134,7 @@ var _ = Describe("Podman pod stats", func() {
 		Expect(stats).Should(Exit(0))
 	})
 
-	It("podman stats with json output", func() {
+	It("podman pod stats with json output", func() {
 		_, ec, podid := podmanTest.CreatePod(nil)
 		Expect(ec).To(Equal(0))
 
@@ -151,7 +151,7 @@ var _ = Describe("Podman pod stats", func() {
 		Expect(stats).Should(Exit(0))
 		Expect(stats.IsJSONOutputValid()).To(BeTrue())
 	})
-	It("podman stats with GO template", func() {
+	It("podman pod stats with GO template", func() {
 		_, ec, podid := podmanTest.CreatePod(nil)
 		Expect(ec).To(Equal(0))
 
@@ -163,7 +163,7 @@ var _ = Describe("Podman pod stats", func() {
 		Expect(stats).To(Exit(0))
 	})
 
-	It("podman stats with invalid GO template", func() {
+	It("podman pod stats with invalid GO template", func() {
 		_, ec, podid := podmanTest.CreatePod(nil)
 		Expect(ec).To(Equal(0))
 
@@ -175,7 +175,7 @@ var _ = Describe("Podman pod stats", func() {
 		Expect(stats).To(ExitWithError())
 	})
 
-	It("podman stats on net=host post", func() {
+	It("podman pod stats on net=host post", func() {
 		SkipIfRootless("--net=host not supported for rootless pods at present")
 		podName := "testPod"
 		podCreate := podmanTest.Podman([]string{"pod", "create", "--net=host", "--name", podName})

test/e2e/stats_test.go

@@ -1,5 +1,3 @@
-// +build
-
 package integration
 
 import (
@@ -84,15 +82,49 @@ var _ = Describe("Podman stats", func() {
 		Expect(session).Should(Exit(0))
 	})
 
-	It("podman stats only output CPU data", func() {
+	It("podman stats with GO template", func() {
 		session := podmanTest.RunTopContainer("")
 		session.WaitWithDefaultTimeout()
 		Expect(session).Should(Exit(0))
-		session = podmanTest.Podman([]string{"stats", "--all", "--no-stream", "--format", "\"{{.ID}} {{.UpTime}} {{.AVGCPU}}\""})
+		stats := podmanTest.Podman([]string{"stats", "-a", "--no-reset", "--no-stream", "--format", "table {{.ID}} {{.AVGCPU}} {{.MemUsage}} {{.CPU}} {{.NetIO}} {{.BlockIO}} {{.PIDS}}"})
+		stats.WaitWithDefaultTimeout()
+		Expect(stats).To(Exit(0))
+	})
+
+	It("podman stats with invalid GO template", func() {
+		session := podmanTest.RunTopContainer("")
 		session.WaitWithDefaultTimeout()
-		Expect(session.LineInOutputContains("UpTime")).To(BeTrue())
-		Expect(session.LineInOutputContains("AVGCPU")).To(BeTrue())
 		Expect(session).Should(Exit(0))
+		stats := podmanTest.Podman([]string{"stats", "-a", "--no-reset", "--no-stream", "--format", "\"table {{.ID}} {{.NoSuchField}} \""})
+		stats.WaitWithDefaultTimeout()
+		Expect(stats).To(ExitWithError())
+	})
+
+	It("podman stats with negative interval", func() {
+		session := podmanTest.RunTopContainer("")
+		session.WaitWithDefaultTimeout()
+		Expect(session).Should(Exit(0))
+		stats := podmanTest.Podman([]string{"stats", "-a", "--no-reset", "--no-stream", "--interval=-1"})
+		stats.WaitWithDefaultTimeout()
+		Expect(stats).To(ExitWithError())
+	})
+
+	It("podman stats with zero interval", func() {
+		session := podmanTest.RunTopContainer("")
+		session.WaitWithDefaultTimeout()
+		Expect(session).Should(Exit(0))
+		stats := podmanTest.Podman([]string{"stats", "-a", "--no-reset", "--no-stream", "--interval=0"})
+		stats.WaitWithDefaultTimeout()
+		Expect(stats).To(ExitWithError())
+	})
+
+	It("podman stats with interval", func() {
+		session := podmanTest.RunTopContainer("")
+		session.WaitWithDefaultTimeout()
+		Expect(session).Should(Exit(0))
+		stats := podmanTest.Podman([]string{"stats", "-a", "--no-reset", "--no-stream", "--interval=5"})
+		stats.WaitWithDefaultTimeout()
+		Expect(stats).Should(Exit(0))
 	})
 
 	It("podman stats with json output", func() {