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package integration
import (
"fmt"
"os"
"os/exec"
"strings"
"time"
. "github.com/containers/podman/v3/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
)
func isEventBackendJournald(podmanTest *PodmanTestIntegration) bool {
if !podmanTest.RemoteTest {
// If not remote test, '--events-backend' is set to 'file' or 'none'
return false
}
info := podmanTest.Podman([]string{"info", "--format", "{{.Host.EventLogger}}"})
info.WaitWithDefaultTimeout()
return info.OutputToString() == "journald"
}
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)
})
for _, log := range []string{"k8s-file", "journald", "json-file"} {
// This is important to move the 'log' var to the correct scope under Ginkgo flow.
log := log
skipIfJournaldInContainer := func() {
if log == "journald" {
SkipIfInContainer("journalctl inside a container doesn't work correctly")
}
}
It("all lines: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-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("tail two lines: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-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: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-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(results.OutputToStringArray()).To(BeEmpty())
})
It("tail 99 lines: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-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("tail 800 lines: "+log, func() {
skipIfJournaldInContainer()
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"})
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: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-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: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-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: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-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("until duration 10m: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-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", "--until", "10m", cid})
results.WaitWithDefaultTimeout()
Expect(results).To(Exit(0))
Expect(len(results.OutputToStringArray())).To(Equal(3))
})
It("until time NOW: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
logc.WaitWithDefaultTimeout()
Expect(logc).To(Exit(0))
cid := logc.OutputToString()
now := time.Now()
now = now.Add(time.Minute * 1)
nowS := now.Format(time.RFC3339)
results := podmanTest.Podman([]string{"logs", "--until", nowS, cid})
results.WaitWithDefaultTimeout()
Expect(results).To(Exit(0))
Expect(len(results.OutputToStringArray())).To(Equal(3))
})
It("latest and container name should fail: "+log, func() {
skipIfJournaldInContainer()
results := podmanTest.Podman([]string{"logs", "-l", "foobar"})
results.WaitWithDefaultTimeout()
Expect(results).To(ExitWithError())
})
It("two containers showing short container IDs: "+log, func() {
skipIfJournaldInContainer()
SkipIfRemote("podman-remote logs does not support showing two containers at the same time")
log1 := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
log1.WaitWithDefaultTimeout()
Expect(log1).Should(Exit(0))
cid1 := log1.OutputToString()
log2 := podmanTest.Podman([]string{"run", "--log-driver", log, "-dt", ALPINE, "sh", "-c", "echo podman; echo podman; echo podman"})
log2.WaitWithDefaultTimeout()
Expect(log2).Should(Exit(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: "+log, func() {
skipIfJournaldInContainer()
session := podmanTest.Podman([]string{"create", "--log-driver", log, "-t", "--name", "log", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).To(Exit(0))
results := podmanTest.Podman([]string{"logs", "log"})
results.WaitWithDefaultTimeout()
Expect(results).To(Exit(0))
})
It("streaming output: "+log, func() {
skipIfJournaldInContainer()
containerName := "logs-f"
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "--name", containerName, "-dt", ALPINE, "sh", "-c", "echo podman-1; sleep 1; echo podman-2"})
logc.WaitWithDefaultTimeout()
Expect(logc).To(Exit(0))
results := podmanTest.Podman([]string{"logs", "-f", containerName})
results.WaitWithDefaultTimeout()
if log == "journald" && !isEventBackendJournald(podmanTest) {
// --follow + journald log-driver is only supported with journald events-backend(PR #10431)
Expect(results).To(Exit(125))
Expect(results.ErrorToString()).To(ContainSubstring("using --follow with the journald --log-driver but without the journald --events-backend"))
return
}
Expect(results).To(Exit(0))
Expect(results.OutputToString()).To(ContainSubstring("podman-1"))
Expect(results.OutputToString()).To(ContainSubstring("podman-2"))
// 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"))
}
results = podmanTest.Podman([]string{"rm", "--time", "0", "-f", containerName})
results.WaitWithDefaultTimeout()
Expect(results).To(Exit(0))
})
It("follow output stopped container: "+log, func() {
skipIfJournaldInContainer()
containerName := "logs-f"
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "--name", containerName, "-d", ALPINE, "true"})
logc.WaitWithDefaultTimeout()
Expect(logc).To(Exit(0))
results := podmanTest.Podman([]string{"logs", "-f", containerName})
results.WaitWithDefaultTimeout()
if log == "journald" && !isEventBackendJournald(podmanTest) {
// --follow + journald log-driver is only supported with journald events-backend(PR #10431)
Expect(results).To(Exit(125))
return
}
Expect(results).To(Exit(0))
})
It("using container with container log-size: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "--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))
inspect := podmanTest.Podman([]string{"container", "inspect", "--format", "{{.HostConfig.LogConfig.Size}}", cid})
inspect.WaitWithDefaultTimeout()
Expect(inspect).To(Exit(0))
Expect(inspect.OutputToString()).To(Equal("10kB"))
results := podmanTest.Podman([]string{"logs", cid})
results.WaitWithDefaultTimeout()
Expect(results).To(Exit(0))
Expect(results.OutputToString()).To(Equal("podman podman podman"))
})
It("Make sure logs match expected length: "+log, func() {
skipIfJournaldInContainer()
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "-t", "--name", "test", ALPINE, "sh", "-c", "echo 1; echo 2"})
logc.WaitWithDefaultTimeout()
Expect(logc).To(Exit(0))
wait := podmanTest.Podman([]string{"wait", "test"})
wait.WaitWithDefaultTimeout()
Expect(wait).To(Exit(0))
results := podmanTest.Podman([]string{"logs", "test"})
results.WaitWithDefaultTimeout()
Expect(results).To(Exit(0))
outlines := results.OutputToStringArray()
Expect(len(outlines)).To(Equal(2))
Expect(outlines[0]).To(Equal("1\r"))
Expect(outlines[1]).To(Equal("2\r"))
})
It("podman logs test stdout and stderr: "+log, func() {
skipIfJournaldInContainer()
cname := "log-test"
logc := podmanTest.Podman([]string{"run", "--log-driver", log, "--name", cname, ALPINE, "sh", "-c", "echo stdout; echo stderr >&2"})
logc.WaitWithDefaultTimeout()
Expect(logc).To(Exit(0))
wait := podmanTest.Podman([]string{"wait", cname})
wait.WaitWithDefaultTimeout()
Expect(wait).To(Exit(0))
results := podmanTest.Podman([]string{"logs", cname})
results.WaitWithDefaultTimeout()
Expect(results).To(Exit(0))
Expect(results.OutputToString()).To(Equal("stdout"))
Expect(results.ErrorToString()).To(Equal("stderr"))
})
}
It("using journald for container with container tag", func() {
SkipIfInContainer("journalctl inside a container doesn't work correctly")
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", cid})
wait.WaitWithDefaultTimeout()
Expect(wait).To(Exit(0))
cmd := exec.Command("journalctl", "--no-pager", "-o", "json", "--output-fields=CONTAINER_TAG", fmt.Sprintf("CONTAINER_ID_FULL=%s", cid))
out, err := cmd.CombinedOutput()
Expect(err).To(BeNil())
Expect(string(out)).To(ContainSubstring("alpine"))
})
It("using journald container name", func() {
SkipIfInContainer("journalctl inside a container doesn't work correctly")
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", cid})
wait.WaitWithDefaultTimeout()
Expect(wait).To(Exit(0))
cmd := exec.Command("journalctl", "--no-pager", "-o", "json", "--output-fields=CONTAINER_NAME", fmt.Sprintf("CONTAINER_ID_FULL=%s", cid))
out, err := cmd.CombinedOutput()
Expect(err).To(BeNil())
Expect(string(out)).To(ContainSubstring(containerName))
})
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)))
})
})
|
