473 lines
16 KiB
Go
473 lines
16 KiB
Go
//go:build !windows
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package main
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import (
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"bufio"
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"bytes"
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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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"testing"
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"time"
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"unicode"
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"github.com/creack/pty"
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"github.com/docker/docker/integration-cli/cli/build"
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"golang.org/x/sys/unix"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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"gotest.tools/v3/skip"
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)
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// #5979
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func (s *DockerCLIEventSuite) TestEventsRedirectStdout(c *testing.T) {
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since := daemonUnixTime(c)
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dockerCmd(c, "run", "busybox", "true")
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file, err := os.CreateTemp("", "")
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assert.NilError(c, err, "could not create temp file")
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defer os.Remove(file.Name())
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command := fmt.Sprintf("%s events --since=%s --until=%s > %s", dockerBinary, since, daemonUnixTime(c), file.Name())
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_, tty, err := pty.Open()
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assert.NilError(c, err, "Could not open pty")
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cmd := exec.Command("sh", "-c", command)
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cmd.Stdin = tty
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cmd.Stdout = tty
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cmd.Stderr = tty
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assert.NilError(c, cmd.Run(), "run err for command %q", command)
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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for _, ch := range scanner.Text() {
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assert.Check(c, unicode.IsControl(ch) == false, "found control character %v", []byte(string(ch)))
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}
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}
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assert.NilError(c, scanner.Err(), "Scan err for command %q", command)
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}
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func (s *DockerCLIEventSuite) TestEventsOOMDisableFalse(c *testing.T) {
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testRequires(c, DaemonIsLinux, oomControl, memoryLimitSupport, swapMemorySupport, NotPpc64le)
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skip.If(c, GitHubActions, "FIXME: https://github.com/moby/moby/pull/36541")
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errChan := make(chan error, 1)
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go func() {
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defer close(errChan)
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out, exitCode, _ := dockerCmdWithError("run", "--name", "oomFalse", "-m", "10MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x$x$x; done")
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if expected := 137; exitCode != expected {
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errChan <- fmt.Errorf("wrong exit code for OOM container: expected %d, got %d (output: %q)", expected, exitCode, out)
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}
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}()
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select {
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case err := <-errChan:
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assert.NilError(c, err)
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case <-time.After(30 * time.Second):
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c.Fatal("Timeout waiting for container to die on OOM")
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}
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out, _ := dockerCmd(c, "events", "--since=0", "-f", "container=oomFalse", "--until", daemonUnixTime(c))
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events := strings.Split(strings.TrimSuffix(out, "\n"), "\n")
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nEvents := len(events)
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assert.Assert(c, nEvents >= 5)
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assert.Equal(c, parseEventAction(c, events[nEvents-5]), "create")
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assert.Equal(c, parseEventAction(c, events[nEvents-4]), "attach")
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assert.Equal(c, parseEventAction(c, events[nEvents-3]), "start")
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assert.Equal(c, parseEventAction(c, events[nEvents-2]), "oom")
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assert.Equal(c, parseEventAction(c, events[nEvents-1]), "die")
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}
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func (s *DockerCLIEventSuite) TestEventsOOMDisableTrue(c *testing.T) {
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testRequires(c, DaemonIsLinux, oomControl, memoryLimitSupport, NotArm, swapMemorySupport, NotPpc64le)
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skip.If(c, GitHubActions, "FIXME: https://github.com/moby/moby/pull/36541")
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errChan := make(chan error, 1)
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observer, err := newEventObserver(c)
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assert.NilError(c, err)
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err = observer.Start()
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assert.NilError(c, err)
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defer observer.Stop()
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go func() {
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defer close(errChan)
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out, exitCode, _ := dockerCmdWithError("run", "--oom-kill-disable=true", "--name", "oomTrue", "-m", "10MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x$x$x; done")
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if expected := 137; exitCode != expected {
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errChan <- fmt.Errorf("wrong exit code for OOM container: expected %d, got %d (output: %q)", expected, exitCode, out)
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}
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}()
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assert.NilError(c, waitRun("oomTrue"))
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defer dockerCmdWithResult("kill", "oomTrue")
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containerID := inspectField(c, "oomTrue", "Id")
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testActions := map[string]chan bool{
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"oom": make(chan bool),
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}
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matcher := matchEventLine(containerID, "container", testActions)
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processor := processEventMatch(testActions)
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go observer.Match(matcher, processor)
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select {
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case <-time.After(20 * time.Second):
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observer.CheckEventError(c, containerID, "oom", matcher)
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case <-testActions["oom"]:
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// ignore, done
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case errRun := <-errChan:
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if errRun != nil {
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c.Fatalf("%v", errRun)
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} else {
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c.Fatalf("container should be still running but it's not")
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}
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}
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status := inspectField(c, "oomTrue", "State.Status")
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assert.Equal(c, strings.TrimSpace(status), "running", "container should be still running")
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}
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// #18453
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func (s *DockerCLIEventSuite) TestEventsContainerFilterByName(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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cOut, _ := dockerCmd(c, "run", "--name=foo", "-d", "busybox", "top")
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c1 := strings.TrimSpace(cOut)
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waitRun("foo")
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cOut, _ = dockerCmd(c, "run", "--name=bar", "-d", "busybox", "top")
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c2 := strings.TrimSpace(cOut)
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waitRun("bar")
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out, _ := dockerCmd(c, "events", "-f", "container=foo", "--since=0", "--until", daemonUnixTime(c))
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assert.Assert(c, strings.Contains(out, c1), out)
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assert.Assert(c, !strings.Contains(out, c2), out)
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}
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// #18453
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func (s *DockerCLIEventSuite) TestEventsContainerFilterBeforeCreate(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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buf := &bytes.Buffer{}
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cmd := exec.Command(dockerBinary, "events", "-f", "container=foo", "--since=0")
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cmd.Stdout = buf
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assert.NilError(c, cmd.Start())
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defer cmd.Wait()
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defer cmd.Process.Kill()
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// Sleep for a second to make sure we are testing the case where events are listened before container starts.
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time.Sleep(time.Second)
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id, _ := dockerCmd(c, "run", "--name=foo", "-d", "busybox", "top")
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cID := strings.TrimSpace(id)
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for i := 0; ; i++ {
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out := buf.String()
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if strings.Contains(out, cID) {
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break
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}
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if i > 30 {
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c.Fatalf("Missing event of container (foo, %v), got %q", cID, out)
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}
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time.Sleep(500 * time.Millisecond)
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}
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}
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func (s *DockerCLIEventSuite) TestVolumeEvents(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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since := daemonUnixTime(c)
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// Observe create/mount volume actions
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dockerCmd(c, "volume", "create", "test-event-volume-local")
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dockerCmd(c, "run", "--name", "test-volume-container", "--volume", "test-event-volume-local:/foo", "-d", "busybox", "true")
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waitRun("test-volume-container")
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// Observe unmount/destroy volume actions
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dockerCmd(c, "rm", "-f", "test-volume-container")
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dockerCmd(c, "volume", "rm", "test-event-volume-local")
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until := daemonUnixTime(c)
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out, _ := dockerCmd(c, "events", "--since", since, "--until", until)
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events := strings.Split(strings.TrimSpace(out), "\n")
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assert.Assert(c, len(events) > 3)
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volumeEvents := eventActionsByIDAndType(c, events, "test-event-volume-local", "volume")
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assert.Equal(c, len(volumeEvents), 4)
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assert.Equal(c, volumeEvents[0], "create")
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assert.Equal(c, volumeEvents[1], "mount")
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assert.Equal(c, volumeEvents[2], "unmount")
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assert.Equal(c, volumeEvents[3], "destroy")
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}
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func (s *DockerCLIEventSuite) TestNetworkEvents(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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since := daemonUnixTime(c)
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// Observe create/connect network actions
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dockerCmd(c, "network", "create", "test-event-network-local")
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dockerCmd(c, "run", "--name", "test-network-container", "--net", "test-event-network-local", "-d", "busybox", "true")
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waitRun("test-network-container")
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// Observe disconnect/destroy network actions
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dockerCmd(c, "rm", "-f", "test-network-container")
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dockerCmd(c, "network", "rm", "test-event-network-local")
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until := daemonUnixTime(c)
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out, _ := dockerCmd(c, "events", "--since", since, "--until", until)
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events := strings.Split(strings.TrimSpace(out), "\n")
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assert.Assert(c, len(events) > 4)
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netEvents := eventActionsByIDAndType(c, events, "test-event-network-local", "network")
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assert.Equal(c, len(netEvents), 4)
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assert.Equal(c, netEvents[0], "create")
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assert.Equal(c, netEvents[1], "connect")
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assert.Equal(c, netEvents[2], "disconnect")
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assert.Equal(c, netEvents[3], "destroy")
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}
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func (s *DockerCLIEventSuite) TestEventsContainerWithMultiNetwork(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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// Observe create/connect network actions
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dockerCmd(c, "network", "create", "test-event-network-local-1")
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dockerCmd(c, "network", "create", "test-event-network-local-2")
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dockerCmd(c, "run", "--name", "test-network-container", "--net", "test-event-network-local-1", "-td", "busybox", "sh")
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waitRun("test-network-container")
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dockerCmd(c, "network", "connect", "test-event-network-local-2", "test-network-container")
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since := daemonUnixTime(c)
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dockerCmd(c, "stop", "-t", "1", "test-network-container")
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until := daemonUnixTime(c)
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out, _ := dockerCmd(c, "events", "--since", since, "--until", until, "-f", "type=network")
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netEvents := strings.Split(strings.TrimSpace(out), "\n")
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// received two network disconnect events
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assert.Equal(c, len(netEvents), 2)
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assert.Assert(c, strings.Contains(netEvents[0], "disconnect"))
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assert.Assert(c, strings.Contains(netEvents[1], "disconnect"))
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// both networks appeared in the network event output
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assert.Assert(c, strings.Contains(out, "test-event-network-local-1"))
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assert.Assert(c, strings.Contains(out, "test-event-network-local-2"))
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}
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func (s *DockerCLIEventSuite) TestEventsStreaming(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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observer, err := newEventObserver(c)
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assert.NilError(c, err)
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err = observer.Start()
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assert.NilError(c, err)
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defer observer.Stop()
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out, _ := dockerCmd(c, "run", "-d", "busybox:latest", "true")
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containerID := strings.TrimSpace(out)
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testActions := map[string]chan bool{
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"create": make(chan bool, 1),
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"start": make(chan bool, 1),
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"die": make(chan bool, 1),
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"destroy": make(chan bool, 1),
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}
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matcher := matchEventLine(containerID, "container", testActions)
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processor := processEventMatch(testActions)
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go observer.Match(matcher, processor)
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select {
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case <-time.After(5 * time.Second):
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observer.CheckEventError(c, containerID, "create", matcher)
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case <-testActions["create"]:
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// ignore, done
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}
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select {
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case <-time.After(5 * time.Second):
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observer.CheckEventError(c, containerID, "start", matcher)
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case <-testActions["start"]:
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// ignore, done
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}
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select {
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case <-time.After(5 * time.Second):
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observer.CheckEventError(c, containerID, "die", matcher)
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case <-testActions["die"]:
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// ignore, done
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}
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dockerCmd(c, "rm", containerID)
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select {
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case <-time.After(5 * time.Second):
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observer.CheckEventError(c, containerID, "destroy", matcher)
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case <-testActions["destroy"]:
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// ignore, done
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}
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}
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func (s *DockerCLIEventSuite) TestEventsImageUntagDelete(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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observer, err := newEventObserver(c)
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assert.NilError(c, err)
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err = observer.Start()
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assert.NilError(c, err)
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defer observer.Stop()
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name := "testimageevents"
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buildImageSuccessfully(c, name, build.WithDockerfile(`FROM scratch
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MAINTAINER "docker"`))
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imageID := getIDByName(c, name)
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assert.NilError(c, deleteImages(name))
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testActions := map[string]chan bool{
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"untag": make(chan bool, 1),
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"delete": make(chan bool, 1),
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}
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matcher := matchEventLine(imageID, "image", testActions)
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processor := processEventMatch(testActions)
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go observer.Match(matcher, processor)
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select {
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case <-time.After(10 * time.Second):
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observer.CheckEventError(c, imageID, "untag", matcher)
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case <-testActions["untag"]:
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// ignore, done
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}
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select {
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case <-time.After(10 * time.Second):
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observer.CheckEventError(c, imageID, "delete", matcher)
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case <-testActions["delete"]:
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// ignore, done
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}
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}
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func (s *DockerCLIEventSuite) TestEventsFilterVolumeAndNetworkType(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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since := daemonUnixTime(c)
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dockerCmd(c, "network", "create", "test-event-network-type")
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dockerCmd(c, "volume", "create", "test-event-volume-type")
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out, _ := dockerCmd(c, "events", "--filter", "type=volume", "--filter", "type=network", "--since", since, "--until", daemonUnixTime(c))
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events := strings.Split(strings.TrimSpace(out), "\n")
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assert.Assert(c, len(events) >= 2, out)
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networkActions := eventActionsByIDAndType(c, events, "test-event-network-type", "network")
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volumeActions := eventActionsByIDAndType(c, events, "test-event-volume-type", "volume")
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assert.Equal(c, volumeActions[0], "create")
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assert.Equal(c, networkActions[0], "create")
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}
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func (s *DockerCLIEventSuite) TestEventsFilterVolumeID(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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since := daemonUnixTime(c)
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dockerCmd(c, "volume", "create", "test-event-volume-id")
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out, _ := dockerCmd(c, "events", "--filter", "volume=test-event-volume-id", "--since", since, "--until", daemonUnixTime(c))
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events := strings.Split(strings.TrimSpace(out), "\n")
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assert.Equal(c, len(events), 1)
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assert.Equal(c, len(events), 1)
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assert.Assert(c, strings.Contains(events[0], "test-event-volume-id"))
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assert.Assert(c, strings.Contains(events[0], "driver=local"))
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}
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func (s *DockerCLIEventSuite) TestEventsFilterNetworkID(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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since := daemonUnixTime(c)
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dockerCmd(c, "network", "create", "test-event-network-local")
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out, _ := dockerCmd(c, "events", "--filter", "network=test-event-network-local", "--since", since, "--until", daemonUnixTime(c))
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events := strings.Split(strings.TrimSpace(out), "\n")
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assert.Equal(c, len(events), 1)
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assert.Assert(c, strings.Contains(events[0], "test-event-network-local"))
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assert.Assert(c, strings.Contains(events[0], "type=bridge"))
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}
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func (s *DockerDaemonSuite) TestDaemonEvents(c *testing.T) {
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// daemon config file
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configFilePath := "test.json"
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defer os.Remove(configFilePath)
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daemonConfig := `{"labels":["foo=bar"]}`
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err := os.WriteFile(configFilePath, []byte(daemonConfig), 0o644)
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assert.NilError(c, err)
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s.d.Start(c, "--config-file="+configFilePath)
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info := s.d.Info(c)
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daemonConfig = `{"max-concurrent-downloads":1,"labels":["bar=foo"], "shutdown-timeout": 10}`
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err = os.WriteFile(configFilePath, []byte(daemonConfig), 0o644)
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assert.NilError(c, err)
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assert.NilError(c, s.d.Signal(unix.SIGHUP))
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time.Sleep(3 * time.Second)
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out, err := s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c))
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assert.NilError(c, err)
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// only check for values known (daemon ID/name) or explicitly set above,
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// otherwise just check for names being present.
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expectedSubstrings := []string{
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` daemon reload ` + info.ID + " ",
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`(allow-nondistributable-artifacts=[`,
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` debug=true, `,
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` default-ipc-mode=`,
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` default-runtime=`,
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` default-shm-size=`,
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` insecure-registries=[`,
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` labels=["bar=foo"], `,
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` live-restore=`,
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` max-concurrent-downloads=1, `,
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` max-concurrent-uploads=5, `,
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` name=` + info.Name,
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` registry-mirrors=[`,
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` runtimes=`,
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` shutdown-timeout=10)`,
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}
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for _, s := range expectedSubstrings {
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assert.Check(c, is.Contains(out, s))
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}
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}
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func (s *DockerDaemonSuite) TestDaemonEventsWithFilters(c *testing.T) {
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// daemon config file
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configFilePath := "test.json"
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defer os.Remove(configFilePath)
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daemonConfig := `{"labels":["foo=bar"]}`
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err := os.WriteFile(configFilePath, []byte(daemonConfig), 0o644)
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assert.NilError(c, err)
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s.d.Start(c, "--config-file="+configFilePath)
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info := s.d.Info(c)
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assert.NilError(c, s.d.Signal(unix.SIGHUP))
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time.Sleep(3 * time.Second)
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out, err := s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c), "--filter", fmt.Sprintf("daemon=%s", info.ID))
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assert.NilError(c, err)
|
|
assert.Assert(c, strings.Contains(out, fmt.Sprintf("daemon reload %s", info.ID)))
|
|
|
|
out, err = s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c), "--filter", fmt.Sprintf("daemon=%s", info.ID))
|
|
assert.NilError(c, err)
|
|
assert.Assert(c, strings.Contains(out, fmt.Sprintf("daemon reload %s", info.ID)))
|
|
|
|
out, err = s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c), "--filter", "daemon=foo")
|
|
assert.NilError(c, err)
|
|
assert.Assert(c, !strings.Contains(out, fmt.Sprintf("daemon reload %s", info.ID)))
|
|
|
|
out, err = s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c), "--filter", "type=daemon")
|
|
assert.NilError(c, err)
|
|
assert.Assert(c, strings.Contains(out, fmt.Sprintf("daemon reload %s", info.ID)))
|
|
|
|
out, err = s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c), "--filter", "type=container")
|
|
assert.NilError(c, err)
|
|
assert.Assert(c, !strings.Contains(out, fmt.Sprintf("daemon reload %s", info.ID)))
|
|
}
|