0f871f8cb7
Define consts for the Actions we use for events, instead of "ad-hoc" strings. Having these consts makes it easier to find where specific events are triggered, makes the events less error-prone, and allows documenting each Action (if needed). Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
226 lines
8 KiB
Go
226 lines
8 KiB
Go
package events
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import (
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"strconv"
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"testing"
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"time"
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"github.com/docker/docker/api/types/events"
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timetypes "github.com/docker/docker/api/types/time"
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eventstestutils "github.com/docker/docker/daemon/events/testutils"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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)
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// validateLegacyFields validates that the legacy "Status", "ID", and "From"
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// fields are set to the same value as their "current" (non-legacy) fields.
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//
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// These fields were deprecated since v1.10 (https://github.com/moby/moby/pull/18888).
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//
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// TODO remove this once we removed the deprecated `ID`, `Status`, and `From` fields.
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func validateLegacyFields(t *testing.T, msg events.Message) {
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t.Helper()
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assert.Check(t, is.Equal(msg.Status, string(msg.Action)), "Legacy Status field does not match Action")
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assert.Check(t, is.Equal(msg.ID, msg.Actor.ID), "Legacy ID field does not match Actor.ID")
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assert.Check(t, is.Equal(msg.From, msg.Actor.Attributes["image"]), "Legacy From field does not match Actor.Attributes.image")
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}
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func TestEventsLog(t *testing.T) {
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e := New()
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_, l1, _ := e.Subscribe()
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_, l2, _ := e.Subscribe()
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defer e.Evict(l1)
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defer e.Evict(l2)
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subscriberCount := e.SubscribersCount()
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assert.Check(t, is.Equal(subscriberCount, 2))
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e.Log("test", events.ContainerEventType, events.Actor{
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ID: "cont",
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Attributes: map[string]string{"image": "image"},
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})
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select {
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case msg := <-l1:
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assert.Check(t, is.Len(e.events, 1))
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jmsg, ok := msg.(events.Message)
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assert.Assert(t, ok, "unexpected type: %T", msg)
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validateLegacyFields(t, jmsg)
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assert.Check(t, is.Equal(jmsg.Action, events.Action("test")))
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assert.Check(t, is.Equal(jmsg.Actor.ID, "cont"))
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assert.Check(t, is.Equal(jmsg.Actor.Attributes["image"], "image"))
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case <-time.After(1 * time.Second):
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t.Fatal("Timeout waiting for broadcasted message")
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}
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select {
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case msg := <-l2:
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assert.Check(t, is.Len(e.events, 1))
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jmsg, ok := msg.(events.Message)
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assert.Assert(t, ok, "unexpected type: %T", msg)
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validateLegacyFields(t, jmsg)
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assert.Check(t, is.Equal(jmsg.Action, events.Action("test")))
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assert.Check(t, is.Equal(jmsg.Actor.ID, "cont"))
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assert.Check(t, is.Equal(jmsg.Actor.Attributes["image"], "image"))
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case <-time.After(1 * time.Second):
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t.Fatal("Timeout waiting for broadcasted message")
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}
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}
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func TestEventsLogTimeout(t *testing.T) {
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e := New()
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_, l, _ := e.Subscribe()
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defer e.Evict(l)
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c := make(chan struct{})
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go func() {
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e.Log("test", events.ImageEventType, events.Actor{
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ID: "image",
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})
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close(c)
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}()
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select {
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case <-c:
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case <-time.After(time.Second):
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t.Fatal("Timeout publishing message")
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}
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}
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func TestLogEvents(t *testing.T) {
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e := New()
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for i := 0; i < eventsLimit+16; i++ {
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num := strconv.Itoa(i)
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e.Log(events.Action("action_"+num), events.ContainerEventType, events.Actor{
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ID: "cont_" + num,
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Attributes: map[string]string{"image": "image_" + num},
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})
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}
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time.Sleep(50 * time.Millisecond)
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current, l, _ := e.Subscribe()
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for i := 0; i < 10; i++ {
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num := strconv.Itoa(i + eventsLimit + 16)
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e.Log(events.Action("action_"+num), events.ContainerEventType, events.Actor{
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ID: "cont_" + num,
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Attributes: map[string]string{"image": "image_" + num},
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})
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}
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assert.Assert(t, is.Len(e.events, eventsLimit))
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var msgs []events.Message
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for len(msgs) < 10 {
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m := <-l
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jm, ok := (m).(events.Message)
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if !ok {
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t.Fatalf("Unexpected type %T", m)
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}
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msgs = append(msgs, jm)
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}
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assert.Assert(t, is.Len(current, eventsLimit))
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first := current[0]
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validateLegacyFields(t, first)
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assert.Check(t, is.Equal(first.Action, events.Action("action_16")))
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last := current[len(current)-1]
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assert.Check(t, is.Equal(last.Action, events.Action("action_271")))
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firstC := msgs[0]
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assert.Check(t, is.Equal(firstC.Action, events.Action("action_272")))
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lastC := msgs[len(msgs)-1]
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assert.Check(t, is.Equal(lastC.Action, events.Action("action_281")))
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}
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// Regression-test for https://github.com/moby/moby/issues/20999
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//
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// Fixtures:
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//
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// 2016-03-07T17:28:03.022433271+02:00 container die 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)
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// 2016-03-07T17:28:03.091719377+02:00 network disconnect 19c5ed41acb798f26b751e0035cd7821741ab79e2bbd59a66b5fd8abf954eaa0 (type=bridge, container=0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079, name=bridge)
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// 2016-03-07T17:28:03.129014751+02:00 container destroy 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)
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func TestLoadBufferedEvents(t *testing.T) {
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now := time.Now()
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f, err := timetypes.GetTimestamp("2016-03-07T17:28:03.100000000+02:00", now)
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assert.NilError(t, err)
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s, sNano, err := timetypes.ParseTimestamps(f, -1)
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assert.NilError(t, err)
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m1, err := eventstestutils.Scan("2016-03-07T17:28:03.022433271+02:00 container die 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
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assert.NilError(t, err)
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m2, err := eventstestutils.Scan("2016-03-07T17:28:03.091719377+02:00 network disconnect 19c5ed41acb798f26b751e0035cd7821741ab79e2bbd59a66b5fd8abf954eaa0 (type=bridge, container=0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079, name=bridge)")
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assert.NilError(t, err)
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m3, err := eventstestutils.Scan("2016-03-07T17:28:03.129014751+02:00 container destroy 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
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assert.NilError(t, err)
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evts := &Events{
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events: []events.Message{*m1, *m2, *m3},
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}
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since := time.Unix(s, sNano)
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until := time.Time{}
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messages := evts.loadBufferedEvents(since, until, nil)
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assert.Assert(t, is.Len(messages, 1))
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}
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func TestLoadBufferedEventsOnlyFromPast(t *testing.T) {
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now := time.Now()
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f, err := timetypes.GetTimestamp("2016-03-07T17:28:03.090000000+02:00", now)
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assert.NilError(t, err)
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s, sNano, err := timetypes.ParseTimestamps(f, 0)
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assert.NilError(t, err)
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f, err = timetypes.GetTimestamp("2016-03-07T17:28:03.100000000+02:00", now)
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assert.NilError(t, err)
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u, uNano, err := timetypes.ParseTimestamps(f, 0)
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assert.NilError(t, err)
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m1, err := eventstestutils.Scan("2016-03-07T17:28:03.022433271+02:00 container die 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
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assert.NilError(t, err)
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m2, err := eventstestutils.Scan("2016-03-07T17:28:03.091719377+02:00 network disconnect 19c5ed41acb798f26b751e0035cd7821741ab79e2bbd59a66b5fd8abf954eaa0 (type=bridge, container=0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079, name=bridge)")
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assert.NilError(t, err)
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m3, err := eventstestutils.Scan("2016-03-07T17:28:03.129014751+02:00 container destroy 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
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assert.NilError(t, err)
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evts := &Events{
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events: []events.Message{*m1, *m2, *m3},
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}
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since := time.Unix(s, sNano)
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until := time.Unix(u, uNano)
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messages := evts.loadBufferedEvents(since, until, nil)
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assert.Assert(t, is.Len(messages, 1))
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assert.Check(t, is.Equal(messages[0].Type, events.NetworkEventType))
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}
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// Regression-test for https://github.com/moby/moby/issues/13753
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func TestIgnoreBufferedWhenNoTimes(t *testing.T) {
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m1, err := eventstestutils.Scan("2016-03-07T17:28:03.022433271+02:00 container die 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
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assert.NilError(t, err)
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m2, err := eventstestutils.Scan("2016-03-07T17:28:03.091719377+02:00 network disconnect 19c5ed41acb798f26b751e0035cd7821741ab79e2bbd59a66b5fd8abf954eaa0 (type=bridge, container=0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079, name=bridge)")
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assert.NilError(t, err)
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m3, err := eventstestutils.Scan("2016-03-07T17:28:03.129014751+02:00 container destroy 0b863f2a26c18557fc6cdadda007c459f9ec81b874780808138aea78a3595079 (image=ubuntu, name=small_hoover)")
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assert.NilError(t, err)
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evts := &Events{
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events: []events.Message{*m1, *m2, *m3},
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}
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since := time.Time{}
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until := time.Time{}
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messages := evts.loadBufferedEvents(since, until, nil)
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assert.Assert(t, is.Len(messages, 0))
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}
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