mirror of
https://github.com/containers/podman.git
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2414586662
The backend should not convert partial lines to full log lines. While this works for most cases it cannot work when the last line is partial since it will just be lost. The frontend logic can already display partial lines correctly. The journald driver also works correctly since it does not such conversion. Fixes #14458 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
494 lines
18 KiB
Go
494 lines
18 KiB
Go
package integration
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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"time"
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. "github.com/containers/podman/v4/test/utils"
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"github.com/containers/storage/pkg/stringid"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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. "github.com/onsi/gomega/gexec"
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)
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func isEventBackendJournald(podmanTest *PodmanTestIntegration) bool {
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if !podmanTest.RemoteTest {
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// If not remote test, '--events-backend' is set to 'file' or 'none'
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return false
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}
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info := podmanTest.Podman([]string{"info", "--format", "{{.Host.EventLogger}}"})
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info.WaitWithDefaultTimeout()
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return info.OutputToString() == "journald"
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}
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var _ = Describe("Podman logs", func() {
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var (
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tempdir string
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err error
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podmanTest *PodmanTestIntegration
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)
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BeforeEach(func() {
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tempdir, err = CreateTempDirInTempDir()
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if err != nil {
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os.Exit(1)
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}
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podmanTest = PodmanTestCreate(tempdir)
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podmanTest.Setup()
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})
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AfterEach(func() {
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podmanTest.Cleanup()
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f := CurrentGinkgoTestDescription()
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processTestResult(f)
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})
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for _, log := range []string{"k8s-file", "journald", "json-file"} {
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// This is important to move the 'log' var to the correct scope under Ginkgo flow.
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log := log
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skipIfJournaldInContainer := func() {
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if log == "journald" {
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SkipIfInContainer("journalctl inside a container doesn't work correctly")
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}
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}
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It("all lines: "+log, func() {
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skipIfJournaldInContainer()
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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results := podmanTest.Podman([]string{"logs", cid})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToStringArray()).To(HaveLen(3))
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Expect(results.OutputToString()).To(Equal("podman podman podman"))
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})
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It("tail two lines: "+log, func() {
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skipIfJournaldInContainer()
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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results := podmanTest.Podman([]string{"logs", "--tail", "2", cid})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToStringArray()).To(HaveLen(2))
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})
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It("tail zero lines: "+log, func() {
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skipIfJournaldInContainer()
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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results := podmanTest.Podman([]string{"logs", "--tail", "0", cid})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToStringArray()).To(BeEmpty())
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})
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It("tail 99 lines: "+log, func() {
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skipIfJournaldInContainer()
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name := "test1"
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logc := podmanTest.Podman([]string{"run", "--name", name, "--log-driver", log, ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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results := podmanTest.Podman([]string{"logs", "--tail", "99", name})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToStringArray()).To(HaveLen(3))
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})
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It("tail 800 lines: "+log, func() {
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skipIfJournaldInContainer()
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// this uses -d so that we do not have 1000 unnecessary lines printed in every test log
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "i=1; while [ \"$i\" -ne 1000 ]; do echo \"line $i\"; i=$((i + 1)); done"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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// make sure we wait for the container to finish writing its output
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wait := podmanTest.Podman([]string{"wait", cid})
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wait.WaitWithDefaultTimeout()
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Expect(wait).To(Exit(0))
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results := podmanTest.Podman([]string{"logs", "--tail", "800", cid})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToStringArray()).To(HaveLen(800))
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})
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It("tail 2 lines with timestamps: "+log, func() {
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skipIfJournaldInContainer()
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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results := podmanTest.Podman([]string{"logs", "--tail", "2", "-t", cid})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToStringArray()).To(HaveLen(2))
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})
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It("since time 2017-08-07: "+log, func() {
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skipIfJournaldInContainer()
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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results := podmanTest.Podman([]string{"logs", "--since", "2017-08-07T10:10:09.056611202-04:00", cid})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToStringArray()).To(HaveLen(3))
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})
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It("since duration 10m: "+log, func() {
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skipIfJournaldInContainer()
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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results := podmanTest.Podman([]string{"logs", "--since", "10m", cid})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToStringArray()).To(HaveLen(3))
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})
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It("until duration 10m: "+log, func() {
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skipIfJournaldInContainer()
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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results := podmanTest.Podman([]string{"logs", "--until", "10m", cid})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToStringArray()).To(HaveLen(3))
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})
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It("until time NOW: "+log, func() {
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skipIfJournaldInContainer()
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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now := time.Now()
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now = now.Add(time.Minute * 1)
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nowS := now.Format(time.RFC3339)
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results := podmanTest.Podman([]string{"logs", "--until", nowS, cid})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToStringArray()).To(HaveLen(3))
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})
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It("latest and container name should fail: "+log, func() {
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skipIfJournaldInContainer()
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results := podmanTest.Podman([]string{"logs", "-l", "foobar"})
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results.WaitWithDefaultTimeout()
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Expect(results).To(ExitWithError())
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})
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It("two containers showing short container IDs: "+log, func() {
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skipIfJournaldInContainer()
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SkipIfRemote("podman-remote logs does not support showing two containers at the same time")
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log1 := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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log1.WaitWithDefaultTimeout()
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Expect(log1).Should(Exit(0))
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cid1 := log1.OutputToString()
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log2 := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
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log2.WaitWithDefaultTimeout()
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Expect(log2).Should(Exit(0))
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cid2 := log2.OutputToString()
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results := podmanTest.Podman([]string{"logs", cid1, cid2})
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results.WaitWithDefaultTimeout()
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Expect(results).Should(Exit(0))
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output := results.OutputToStringArray()
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Expect(output).To(HaveLen(6))
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Expect(strings.Contains(output[0], cid1[:12]) || strings.Contains(output[0], cid2[:12])).To(BeTrue())
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})
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It("podman logs on a created container should result in 0 exit code: "+log, func() {
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skipIfJournaldInContainer()
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session := podmanTest.Podman([]string{"create", "--log-driver", log, "-t", "--name", "log", ALPINE})
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session.WaitWithDefaultTimeout()
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Expect(session).To(Exit(0))
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results := podmanTest.Podman([]string{"logs", "log"})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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})
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It("streaming output: "+log, func() {
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skipIfJournaldInContainer()
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containerName := "logs-f"
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "--name", containerName, "-dt", ALPINE, "sh", "-c", "echo podman-1; sleep 1; echo podman-2"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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results := podmanTest.Podman([]string{"logs", "-f", containerName})
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results.WaitWithDefaultTimeout()
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if log == "journald" && !isEventBackendJournald(podmanTest) {
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// --follow + journald log-driver is only supported with journald events-backend(PR #10431)
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Expect(results).To(Exit(125))
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Expect(results.ErrorToString()).To(ContainSubstring("using --follow with the journald --log-driver but without the journald --events-backend"))
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return
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}
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Expect(results).To(Exit(0))
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Expect(results.OutputToString()).To(ContainSubstring("podman-1"))
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Expect(results.OutputToString()).To(ContainSubstring("podman-2"))
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// Container should now be terminatING or terminatED, but we
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// have no guarantee of which: 'logs -f' does not necessarily
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// wait for cleanup. Run 'inspect' and accept either state.
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inspect := podmanTest.Podman([]string{"container", "inspect", "--format", "{{.State.Status}}", containerName})
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inspect.WaitWithDefaultTimeout()
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if inspect.ExitCode() == 0 {
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Expect(inspect.OutputToString()).To(Equal("exited"))
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// TODO: add 2-second wait loop to confirm cleanup
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} else {
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Expect(inspect.ErrorToString()).To(ContainSubstring("no such container"))
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}
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results = podmanTest.Podman([]string{"rm", "--time", "0", "-f", containerName})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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})
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It("follow output stopped container: "+log, func() {
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skipIfJournaldInContainer()
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containerName := "logs-f"
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "--name", containerName, "-d", ALPINE, "true"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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results := podmanTest.Podman([]string{"logs", "-f", containerName})
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results.WaitWithDefaultTimeout()
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if log == "journald" && !isEventBackendJournald(podmanTest) {
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// --follow + journald log-driver is only supported with journald events-backend(PR #10431)
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Expect(results).To(Exit(125))
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return
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}
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Expect(results).To(Exit(0))
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})
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It("using container with container log-size: "+log, func() {
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skipIfJournaldInContainer()
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "--log-opt=max-size=10k", "-d", ALPINE, "sh", "-c", "echo podman podman podman"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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wait := podmanTest.Podman([]string{"wait", cid})
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wait.WaitWithDefaultTimeout()
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Expect(wait).To(Exit(0))
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inspect := podmanTest.Podman([]string{"container", "inspect", "--format", "{{.HostConfig.LogConfig.Size}}", cid})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).To(Exit(0))
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Expect(inspect.OutputToString()).To(Equal("10kB"))
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results := podmanTest.Podman([]string{"logs", cid})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToString()).To(Equal("podman podman podman"))
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})
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It("Make sure logs match expected length: "+log, func() {
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skipIfJournaldInContainer()
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-t", "--name", "test", ALPINE, "sh", "-c", "echo 1; echo 2"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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wait := podmanTest.Podman([]string{"wait", "test"})
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wait.WaitWithDefaultTimeout()
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Expect(wait).To(Exit(0))
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results := podmanTest.Podman([]string{"logs", "test"})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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outlines := results.OutputToStringArray()
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Expect(outlines).To(HaveLen(2))
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Expect(outlines[0]).To(Equal("1\r"))
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Expect(outlines[1]).To(Equal("2\r"))
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})
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It("podman logs test stdout and stderr: "+log, func() {
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skipIfJournaldInContainer()
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cname := "log-test"
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "--name", cname, ALPINE, "sh", "-c", "echo stdout; echo stderr >&2"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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wait := podmanTest.Podman([]string{"wait", cname})
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wait.WaitWithDefaultTimeout()
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Expect(wait).To(Exit(0))
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results := podmanTest.Podman([]string{"logs", cname})
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results.WaitWithDefaultTimeout()
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Expect(results).To(Exit(0))
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Expect(results.OutputToString()).To(Equal("stdout"))
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Expect(results.ErrorToString()).To(Equal("stderr"))
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})
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It("podman logs partial log lines: "+log, func() {
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skipIfJournaldInContainer()
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cname := "log-test"
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content := stringid.GenerateNonCryptoID()
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// use printf to print no extra newline
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logc := podmanTest.Podman([]string{"run", "--log-driver", log, "--name", cname, ALPINE, "printf", content})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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// Important: do not use OutputToString(), this will remove the trailing newline from the output.
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// However this test must make sure that there is no such extra newline.
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Expect(string(logc.Out.Contents())).To(Equal(content))
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logs := podmanTest.Podman([]string{"logs", cname})
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logs.WaitWithDefaultTimeout()
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Expect(logs).To(Exit(0))
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// see comment above
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Expect(string(logs.Out.Contents())).To(Equal(content))
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})
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}
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It("using journald for container with container tag", func() {
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SkipIfInContainer("journalctl inside a container doesn't work correctly")
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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"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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wait := podmanTest.Podman([]string{"wait", cid})
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wait.WaitWithDefaultTimeout()
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Expect(wait).To(Exit(0))
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cmd := exec.Command("journalctl", "--no-pager", "-o", "json", "--output-fields=CONTAINER_TAG", fmt.Sprintf("CONTAINER_ID_FULL=%s", cid))
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out, err := cmd.CombinedOutput()
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Expect(err).To(BeNil())
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Expect(string(out)).To(ContainSubstring("alpine"))
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})
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It("using journald container name", func() {
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SkipIfInContainer("journalctl inside a container doesn't work correctly")
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containerName := "inside-journal"
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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"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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cid := logc.OutputToString()
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wait := podmanTest.Podman([]string{"wait", cid})
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wait.WaitWithDefaultTimeout()
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Expect(wait).To(Exit(0))
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cmd := exec.Command("journalctl", "--no-pager", "-o", "json", "--output-fields=CONTAINER_NAME", fmt.Sprintf("CONTAINER_ID_FULL=%s", cid))
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out, err := cmd.CombinedOutput()
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Expect(err).To(BeNil())
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Expect(string(out)).To(ContainSubstring(containerName))
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})
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It("podman logs with log-driver=none errors", func() {
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ctrName := "logsctr"
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logc := podmanTest.Podman([]string{"run", "--name", ctrName, "-d", "--log-driver", "none", ALPINE, "top"})
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logc.WaitWithDefaultTimeout()
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Expect(logc).To(Exit(0))
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logs := podmanTest.Podman([]string{"logs", "-f", ctrName})
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logs.WaitWithDefaultTimeout()
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Expect(logs).To(Not(Exit(0)))
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})
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It("podman pod logs with container names", func() {
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SkipIfRemote("Remote can only process one container at a time")
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SkipIfInContainer("journalctl inside a container doesn't work correctly")
|
|
podName := "testPod"
|
|
containerName1 := "container1"
|
|
containerName2 := "container2"
|
|
|
|
testPod := podmanTest.Podman([]string{"pod", "create", fmt.Sprintf("--name=%s", podName)})
|
|
testPod.WaitWithDefaultTimeout()
|
|
Expect(testPod).To(Exit(0))
|
|
|
|
log1 := podmanTest.Podman([]string{"run", "--name", containerName1, "-d", "--pod", podName, BB, "/bin/sh", "-c", "echo log1"})
|
|
log1.WaitWithDefaultTimeout()
|
|
Expect(log1).To(Exit(0))
|
|
|
|
log2 := podmanTest.Podman([]string{"run", "--name", containerName2, "-d", "--pod", podName, BB, "/bin/sh", "-c", "echo log2"})
|
|
log2.WaitWithDefaultTimeout()
|
|
Expect(log2).To(Exit(0))
|
|
|
|
results := podmanTest.Podman([]string{"pod", "logs", "--names", podName})
|
|
results.WaitWithDefaultTimeout()
|
|
Expect(results).To(Exit(0))
|
|
|
|
output := results.OutputToStringArray()
|
|
Expect(output).To(HaveLen(2))
|
|
Expect(output).To(ContainElement(ContainSubstring(containerName1)))
|
|
Expect(output).To(ContainElement(ContainSubstring(containerName2)))
|
|
})
|
|
It("podman pod logs with different colors", func() {
|
|
SkipIfRemote("Remote can only process one container at a time")
|
|
SkipIfInContainer("journalctl inside a container doesn't work correctly")
|
|
podName := "testPod"
|
|
containerName1 := "container1"
|
|
containerName2 := "container2"
|
|
testPod := podmanTest.Podman([]string{"pod", "create", fmt.Sprintf("--name=%s", podName)})
|
|
testPod.WaitWithDefaultTimeout()
|
|
Expect(testPod).To(Exit(0))
|
|
log1 := podmanTest.Podman([]string{"run", "--name", containerName1, "-d", "--pod", podName, BB, "/bin/sh", "-c", "echo log1"})
|
|
log1.WaitWithDefaultTimeout()
|
|
Expect(log1).To(Exit(0))
|
|
log2 := podmanTest.Podman([]string{"run", "--name", containerName2, "-d", "--pod", podName, BB, "/bin/sh", "-c", "echo log2"})
|
|
log2.WaitWithDefaultTimeout()
|
|
Expect(log2).To(Exit(0))
|
|
results := podmanTest.Podman([]string{"pod", "logs", "--color", podName})
|
|
results.WaitWithDefaultTimeout()
|
|
Expect(results).To(Exit(0))
|
|
output := results.OutputToStringArray()
|
|
Expect(output).To(HaveLen(2))
|
|
Expect(output[0]).To(MatchRegexp(`\x1b\[3[0-9a-z ]+\x1b\[0m`))
|
|
Expect(output[1]).To(MatchRegexp(`\x1b\[3[0-9a-z ]+\x1b\[0m`))
|
|
})
|
|
})
|