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package daemon // import "github.com/docker/docker/daemon"
import (
"testing"
"time"
"github.com/docker/docker/api/types"
containertypes "github.com/docker/docker/api/types/container"
eventtypes "github.com/docker/docker/api/types/events"
"github.com/docker/docker/container"
"github.com/docker/docker/daemon/events"
)
func reset(c *container.Container) {
c.State = &container.State{}
c.State.Health = &container.Health{}
c.State.Health.SetStatus(types.Starting)
}
func TestNoneHealthcheck(t *testing.T) {
c := &container.Container{
ID: "container_id",
Name: "container_name",
Config: &containertypes.Config{
Image: "image_name",
Healthcheck: &containertypes.HealthConfig{
Test: []string{"NONE"},
},
},
State: &container.State{},
}
store, err := container.NewViewDB()
if err != nil {
t.Fatal(err)
}
daemon := &Daemon{
containersReplica: store,
}
daemon.initHealthMonitor(c)
if c.State.Health != nil {
t.Error("Expecting Health to be nil, but was not")
}
}
// FIXME(vdemeester) This takes around 3s… This is *way* too long
func TestHealthStates(t *testing.T) {
e := events.New()
_, l, _ := e.Subscribe()
defer e.Evict(l)
expect := func(expected string) {
select {
case event := <-l:
ev := event.(eventtypes.Message)
if ev.Status != expected {
t.Errorf("Expecting event %#v, but got %#v\n", expected, ev.Status)
}
case <-time.After(1 * time.Second):
t.Errorf("Expecting event %#v, but got nothing\n", expected)
}
}
c := &container.Container{
ID: "container_id",
Name: "container_name",
Config: &containertypes.Config{
Image: "image_name",
},
}
store, err := container.NewViewDB()
if err != nil {
t.Fatal(err)
}
daemon := &Daemon{
EventsService: e,
containersReplica: store,
}
muteLogs()
c.Config.Healthcheck = &containertypes.HealthConfig{
Retries: 1,
}
reset(c)
handleResult := func(startTime time.Time, exitCode int) {
handleProbeResult(daemon, c, &types.HealthcheckResult{
Start: startTime,
End: startTime,
ExitCode: exitCode,
}, nil)
}
// starting -> failed -> success -> failed
handleResult(c.State.StartedAt.Add(1*time.Second), 1)
expect("health_status: unhealthy")
handleResult(c.State.StartedAt.Add(2*time.Second), 0)
expect("health_status: healthy")
handleResult(c.State.StartedAt.Add(3*time.Second), 1)
expect("health_status: unhealthy")
// Test retries
reset(c)
c.Config.Healthcheck.Retries = 3
handleResult(c.State.StartedAt.Add(20*time.Second), 1)
handleResult(c.State.StartedAt.Add(40*time.Second), 1)
if status := c.State.Health.Status(); status != types.Starting {
t.Errorf("Expecting starting, but got %#v\n", status)
}
if c.State.Health.FailingStreak != 2 {
t.Errorf("Expecting FailingStreak=2, but got %d\n", c.State.Health.FailingStreak)
}
handleResult(c.State.StartedAt.Add(60*time.Second), 1)
expect("health_status: unhealthy")
handleResult(c.State.StartedAt.Add(80*time.Second), 0)
expect("health_status: healthy")
if c.State.Health.FailingStreak != 0 {
t.Errorf("Expecting FailingStreak=0, but got %d\n", c.State.Health.FailingStreak)
}
// Test start period
reset(c)
c.Config.Healthcheck.Retries = 2
c.Config.Healthcheck.StartPeriod = 30 * time.Second
handleResult(c.State.StartedAt.Add(20*time.Second), 1)
if status := c.State.Health.Status(); status != types.Starting {
t.Errorf("Expecting starting, but got %#v\n", status)
}
if c.State.Health.FailingStreak != 0 {
t.Errorf("Expecting FailingStreak=0, but got %d\n", c.State.Health.FailingStreak)
}
handleResult(c.State.StartedAt.Add(50*time.Second), 1)
if status := c.State.Health.Status(); status != types.Starting {
t.Errorf("Expecting starting, but got %#v\n", status)
}
if c.State.Health.FailingStreak != 1 {
t.Errorf("Expecting FailingStreak=1, but got %d\n", c.State.Health.FailingStreak)
}
handleResult(c.State.StartedAt.Add(80*time.Second), 0)
expect("health_status: healthy")
if c.State.Health.FailingStreak != 0 {
t.Errorf("Expecting FailingStreak=0, but got %d\n", c.State.Health.FailingStreak)
}
}
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