package integration import ( "fmt" "os" "os/exec" "strings" . "github.com/containers/podman/v2/test/utils" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" . "github.com/onsi/gomega/gexec" ) var _ = Describe("Podman logs", func() { var ( tempdir string err error podmanTest *PodmanTestIntegration ) BeforeEach(func() { tempdir, err = CreateTempDirInTempDir() if err != nil { os.Exit(1) } podmanTest = PodmanTestCreate(tempdir) podmanTest.Setup() podmanTest.SeedImages() }) AfterEach(func() { podmanTest.Cleanup() f := CurrentGinkgoTestDescription() processTestResult(f) }) It("all lines", func() { logc := podmanTest.Podman([]string{"run", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(3)) }) It("tail two lines", func() { logc := podmanTest.Podman([]string{"run", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--tail", "2", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(2)) }) It("tail zero lines", func() { logc := podmanTest.Podman([]string{"run", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--tail", "0", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(0)) }) It("tail 800 lines", func() { logc := podmanTest.Podman([]string{"run", "-dt", ALPINE, "sh", "-c", "i=1; while [ \"$i\" -ne 1000 ]; do echo \"line $i\"; i=$((i + 1)); done"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--tail", "800", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(800)) }) It("tail 2 lines with timestamps", func() { logc := podmanTest.Podman([]string{"run", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--tail", "2", "-t", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(2)) }) It("since time 2017-08-07", func() { logc := podmanTest.Podman([]string{"run", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--since", "2017-08-07T10:10:09.056611202-04:00", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(3)) }) It("since duration 10m", func() { logc := podmanTest.Podman([]string{"run", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--since", "10m", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(3)) }) It("latest and container name should fail", func() { results := podmanTest.Podman([]string{"logs", "-l", "foobar"}) results.WaitWithDefaultTimeout() Expect(results).To(ExitWithError()) }) It("two containers showing short container IDs", func() { SkipIfRemote("FIXME: podman-remote logs does not support showing two containers at the same time") log1 := podmanTest.Podman([]string{"run", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) log1.WaitWithDefaultTimeout() Expect(log1.ExitCode()).To(Equal(0)) cid1 := log1.OutputToString() log2 := podmanTest.Podman([]string{"run", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) log2.WaitWithDefaultTimeout() Expect(log2.ExitCode()).To(Equal(0)) cid2 := log2.OutputToString() results := podmanTest.Podman([]string{"logs", cid1, cid2}) results.WaitWithDefaultTimeout() Expect(results).Should(Exit(0)) output := results.OutputToStringArray() Expect(len(output)).To(Equal(6)) Expect(strings.Contains(output[0], cid1[:12]) || strings.Contains(output[0], cid2[:12])).To(BeTrue()) }) It("podman logs on a created container should result in 0 exit code", func() { session := podmanTest.Podman([]string{"create", "-dt", "--name", "log", ALPINE}) session.WaitWithDefaultTimeout() Expect(session).To(Exit(0)) results := podmanTest.Podman([]string{"logs", "log"}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) }) It("using journald for container with container tag", func() { Skip("need to verify images have correct packages for journald") logc := podmanTest.Podman([]string{"run", "--log-driver", "journald", "--log-opt=tag={{.ImageName}}", "-d", ALPINE, "sh", "-c", "echo podman; sleep 0.1; echo podman; sleep 0.1; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() wait := podmanTest.Podman([]string{"wait", "-l"}) wait.WaitWithDefaultTimeout() Expect(wait).To(Exit(0)) cmd := exec.Command("journalctl", "--no-pager", "-o", "json", "--output-fields=CONTAINER_TAG", "-u", fmt.Sprintf("libpod-conmon-%s.scope", cid)) out, err := cmd.CombinedOutput() Expect(err).To(BeNil()) Expect(string(out)).To(ContainSubstring("alpine")) }) It("using journald for container name", func() { Skip("need to verify images have correct packages for journald") containerName := "inside-journal" logc := podmanTest.Podman([]string{"run", "--log-driver", "journald", "-d", "--name", containerName, ALPINE, "sh", "-c", "echo podman; sleep 0.1; echo podman; sleep 0.1; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() wait := podmanTest.Podman([]string{"wait", "-l"}) wait.WaitWithDefaultTimeout() Expect(wait).To(Exit(0)) cmd := exec.Command("journalctl", "--no-pager", "-o", "json", "--output-fields=CONTAINER_NAME", "-u", fmt.Sprintf("libpod-conmon-%s.scope", cid)) out, err := cmd.CombinedOutput() Expect(err).To(BeNil()) Expect(string(out)).To(ContainSubstring(containerName)) }) It("using journald for container", func() { Skip("need to verify images have correct packages for journald") logc := podmanTest.Podman([]string{"run", "--log-driver", "journald", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(3)) Expect(results.OutputToString()).To(Equal("podman podman podman")) }) It("using journald tail two lines", func() { Skip("need to verify images have correct packages for journald") logc := podmanTest.Podman([]string{"run", "--log-driver", "journald", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--tail", "2", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(2)) }) It("using journald tail 99 lines", func() { Skip("need to verify images have correct packages for journald") logc := podmanTest.Podman([]string{"run", "--log-driver", "journald", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--tail", "99", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(3)) }) It("using journald tail 2 lines with timestamps", func() { Skip("need to verify images have correct packages for journald") logc := podmanTest.Podman([]string{"run", "--log-driver", "journald", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--tail", "2", "-t", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(2)) }) It("using journald since time 2017-08-07", func() { Skip("need to verify images have correct packages for journald") logc := podmanTest.Podman([]string{"run", "--log-driver", "journald", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--since", "2017-08-07T10:10:09.056611202-04:00", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(3)) }) It("using journald with duration 10m", func() { Skip("need to verify images have correct packages for journald") logc := podmanTest.Podman([]string{"run", "--log-driver", "journald", "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() results := podmanTest.Podman([]string{"logs", "--since", "10m", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(len(results.OutputToStringArray())).To(Equal(3)) }) It("streaming output", func() { containerName := "logs-f-rm" logc := podmanTest.Podman([]string{"run", "--rm", "--name", containerName, "-dt", ALPINE, "sh", "-c", "echo podman; sleep 1; echo podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) results := podmanTest.Podman([]string{"logs", "-f", containerName}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) // TODO: we should actually check for two podman lines, // but as of 2020-06-17 there's a race condition in which // 'logs -f' may not catch all output from a container Expect(results.OutputToString()).To(ContainSubstring("podman")) // Container should now be terminatING or terminatED, but we // have no guarantee of which: 'logs -f' does not necessarily // wait for cleanup. Run 'inspect' and accept either state. inspect := podmanTest.Podman([]string{"container", "inspect", "--format", "{{.State.Status}}", containerName}) inspect.WaitWithDefaultTimeout() if inspect.ExitCode() == 0 { Expect(inspect.OutputToString()).To(Equal("exited")) // TODO: add 2-second wait loop to confirm cleanup } else { Expect(inspect.ErrorToString()).To(ContainSubstring("no such container")) } }) It("podman logs with log-driver=none errors", func() { ctrName := "logsctr" logc := podmanTest.Podman([]string{"run", "--name", ctrName, "-d", "--log-driver", "none", ALPINE, "top"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) logs := podmanTest.Podman([]string{"logs", "-f", ctrName}) logs.WaitWithDefaultTimeout() Expect(logs).To(Not(Exit(0))) }) It("follow output stopped container", func() { containerName := "logs-f" logc := podmanTest.Podman([]string{"run", "--name", containerName, "-d", ALPINE, "true"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) results := podmanTest.Podman([]string{"logs", "-f", containerName}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) }) It("using container with container log-size", func() { logc := podmanTest.Podman([]string{"run", "--log-opt=max-size=10k", "-d", ALPINE, "sh", "-c", "echo podman podman podman"}) logc.WaitWithDefaultTimeout() Expect(logc).To(Exit(0)) cid := logc.OutputToString() wait := podmanTest.Podman([]string{"wait", cid}) wait.WaitWithDefaultTimeout() Expect(wait).To(Exit(0)) results := podmanTest.Podman([]string{"logs", cid}) results.WaitWithDefaultTimeout() Expect(results).To(Exit(0)) Expect(results.OutputToString()).To(Equal("podman podman podman")) }) })