Files
package-updater/internal/e2e/drift_test.go

114 lines
4.2 KiB
Go

package e2e
import (
"context"
"io"
"log/slog"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/shcizo/package-updater/internal/master/model"
"github.com/shcizo/package-updater/internal/master/poller"
"github.com/shcizo/package-updater/internal/protocol"
)
const (
driftDesired = "sha256:" + "d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1"
driftOther = "sha256:" + "0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a"
)
// seedDrifted replaces the environment's service with an auto service that was
// updated to slusk:1.4.2 at driftDesired but runs driftOther now.
func (e *jobEnv) seedDrifted() {
e.store.seedService(model.Service{ID: 1, Kind: protocol.KindCompose, ComposeProject: "slusk", ComposeService: "web",
AgentID: ptr(agentID), ImageRepo: slusk, UpdateMode: model.ModeAuto,
DesiredRef: slusk + ":1.4.2@" + driftDesired,
ActualRef: slusk + ":1.4.2", ActualDigest: driftOther})
}
// inventoryWrite is what the store does for an agent's upsert of the service.
func (e *jobEnv) inventoryWrite(id int64, actualRef, actualDigest string) {
e.store.mu.Lock()
defer e.store.mu.Unlock()
svc := e.store.svcRows[id]
svc.ActualRef, svc.ActualDigest, svc.AwaitingInventory = actualRef, actualDigest, false
e.store.svcRows[id] = svc
}
func TestDriftedAutoServiceIsNotUpdatedByPollOrWebhook(t *testing.T) {
e := newJobEnv(t)
e.seedDrifted()
reg := &fixedRegistry{digests: map[string]string{slusk + ":1.4.2": "sha256:new"}}
p := poller.New(e.store, e.jobs, reg, e.m.broker, poller.Config{Workers: 1}, slog.New(slog.NewTextHandler(io.Discard, nil)))
p.Cycle(context.Background())
assert.Equal(t, 1, reg.calls)
assert.Zero(t, e.store.jobCount(), "polling starts no job for a drifted service")
svc, err := e.store.GetService(context.Background(), 1)
require.NoError(t, err)
assert.Equal(t, slusk+":1.4.2", svc.AvailableRef, "the suggestion is still recorded")
code, body := callWebhook(t, e.webhookServer(t), `{"image":"`+slusk+`:ignored","tag":"2.0.0"}`)
assert.Equal(t, 200, code)
require.Len(t, body.Results, 1)
assert.Equal(t, "refused", body.Results[0].Status)
assert.Contains(t, body.Results[0].Error, "drifted")
assert.Zero(t, e.store.jobCount(), "the webhook starts no job either")
}
func TestRestoreDeploysThePinnedRefOnTheAgent(t *testing.T) {
e := newJobEnv(t)
e.seedDrifted()
close(e.exec.release)
job, err := e.jobs.RestoreDesired(context.Background(), 1, "alice")
require.NoError(t, err)
assert.Equal(t, model.TriggerManual, job.Trigger)
select {
case ref := <-e.exec.started:
assert.Equal(t, slusk+":1.4.2@"+driftDesired, ref, "the agent receives exactly the desired ref")
case <-time.After(waitFor):
t.Fatal("the agent never received the job")
}
done := e.waitStatus(t, job.ID, model.JobSucceeded)
assert.Equal(t, slusk+":1.4.2@"+driftDesired, done.ToRef)
svc, err := e.store.GetService(context.Background(), 1)
require.NoError(t, err)
assert.Equal(t, driftOther, svc.LastTagDigest, "the drifted digest is remembered so polling does not redeploy it")
assert.False(t, svc.Drifted(), "the inventory has not caught up yet")
e.inventoryWrite(1, slusk+":1.4.2", driftDesired)
svc, err = e.store.GetService(context.Background(), 1)
require.NoError(t, err)
assert.False(t, svc.Drifted())
}
func TestNoDriftAfterASuccessfulJob(t *testing.T) {
e := newJobEnv(t)
close(e.exec.release)
job, err := e.jobs.Trigger(context.Background(), 1, "alice")
require.NoError(t, err)
e.waitStatus(t, job.ID, model.JobSucceeded)
svc, err := e.store.GetService(context.Background(), 1)
require.NoError(t, err)
assert.Equal(t, slusk+":1.4.2@"+e2eDigest, svc.DesiredRef)
assert.Equal(t, slusk+":1.4.2@sha256:old", svc.ActualRef, "the agent's inventory write has not arrived")
assert.False(t, svc.Drifted(), "between job.result and the inventory write the row is not drifted")
e.inventoryWrite(1, slusk+":1.4.2", e2eDigest)
svc, _ = e.store.GetService(context.Background(), 1)
assert.False(t, svc.Drifted())
e.inventoryWrite(1, slusk+":1.4.2", driftOther)
svc, _ = e.store.GetService(context.Background(), 1)
assert.True(t, svc.Drifted(), "a later inventory write of another digest is drift")
}