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state.go
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state.go
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package conformance
import (
"context"
"fmt"
"math/rand"
"regexp"
"sort"
"sync"
"testing"
"time"
"github.com/siderolabs/gen/xslices"
"github.com/stretchr/testify/suite"
"golang.org/x/sync/errgroup"
"github.com/cosi-project/runtime/pkg/resource"
"github.com/cosi-project/runtime/pkg/safe"
"github.com/cosi-project/runtime/pkg/state"
)
// StateSuite implements conformance test for state.State.
type StateSuite struct {
suite.Suite
State state.State
Namespaces []resource.Namespace
}
func (suite *StateSuite) getNamespace() resource.Namespace {
if len(suite.Namespaces) == 0 {
return "default"
}
return suite.Namespaces[rand.Intn(len(suite.Namespaces))]
}
// TestCRD verifies create, read, delete.
func (suite *StateSuite) TestCRD() {
path1 := NewPathResource(suite.getNamespace(), "var/run")
path2 := NewPathResource(suite.getNamespace(), "var/lib")
suite.Require().NotEqual(resource.String(path1), resource.String(path2))
ctx := context.Background()
_, err := suite.State.Get(ctx, path1.Metadata())
suite.Assert().Error(err)
suite.Assert().True(state.IsNotFoundError(err))
_, err = suite.State.Get(ctx, path2.Metadata())
suite.Assert().Error(err)
suite.Assert().True(state.IsNotFoundError(err))
list, err := suite.State.List(ctx, path1.Metadata())
suite.Require().NoError(err)
suite.Assert().Empty(list.Items)
suite.Require().NoError(suite.State.Create(ctx, path1))
suite.Require().NoError(suite.State.Create(ctx, path2))
r, err := suite.State.Get(ctx, path1.Metadata())
suite.Require().NoError(err)
suite.Assert().Equal(resource.String(path1), resource.String(r))
r, err = suite.State.Get(ctx, path2.Metadata())
suite.Require().NoError(err)
suite.Assert().Equal(resource.String(path2), resource.String(r))
for _, res := range []resource.Resource{path1, path2} {
list, err = suite.State.List(ctx, res.Metadata())
suite.Require().NoError(err)
if path1.Metadata().Namespace() == path2.Metadata().Namespace() {
suite.Assert().Len(list.Items, 2)
ids := xslices.Map(list.Items, resource.String)
suite.Assert().Equal([]string{resource.String(path2), resource.String(path1)}, ids)
} else {
suite.Assert().Len(list.Items, 1)
suite.Assert().Equal(resource.String(res), resource.String(list.Items[0]))
}
}
err = suite.State.Create(ctx, path1)
suite.Assert().Error(err)
suite.Assert().True(state.IsConflictError(err))
destroyReady, err := suite.State.Teardown(ctx, path1.Metadata())
suite.Require().NoError(err)
suite.Assert().True(destroyReady)
suite.Require().NoError(suite.State.Destroy(ctx, path1.Metadata()))
_, err = suite.State.Teardown(ctx, path1.Metadata())
suite.Assert().Error(err)
suite.Assert().True(state.IsNotFoundError(err))
err = suite.State.Destroy(ctx, path1.Metadata())
suite.Assert().Error(err)
suite.Assert().True(state.IsNotFoundError(err))
_, err = suite.State.Get(ctx, path1.Metadata())
suite.Assert().Error(err)
suite.Assert().True(state.IsNotFoundError(err))
list, err = suite.State.List(ctx, path2.Metadata())
suite.Require().NoError(err)
suite.Assert().Len(list.Items, 1)
suite.Assert().Equal(resource.String(path2), resource.String(list.Items[0]))
destroyReady, err = suite.State.Teardown(ctx, path2.Metadata())
suite.Require().NoError(err)
suite.Assert().True(destroyReady)
suite.Require().NoError(suite.State.Create(ctx, path1))
}
// TestUpdateWithConflicts verifies updates with conflicts.
func (suite *StateSuite) TestUpdateWithConflicts() {
path1 := NewPathResource(suite.getNamespace(), "var/run/update")
ctx := context.Background()
suite.Require().NoError(suite.State.Create(ctx, path1))
updated, err := suite.State.UpdateWithConflicts(ctx, path1.Metadata(), func(r resource.Resource) error {
r.Metadata().Labels().Set("foo", "bar")
return nil
})
suite.Require().NoError(err)
// returned resource should have the label set
v, ok := updated.Metadata().Labels().Get("foo")
suite.Assert().True(ok)
suite.Assert().Equal("bar", v)
// original resource should have no label set
_, ok = path1.Metadata().Labels().Get("foo")
suite.Assert().False(ok)
}
// TestCRDWithOwners verifies create, read, update, delete with owners.
func (suite *StateSuite) TestCRDWithOwners() {
path1 := NewPathResource(suite.getNamespace(), "owner1/var/run")
path2 := NewPathResource(suite.getNamespace(), "owner2/var/lib")
owner1, owner2 := "owner1", "owner2"
suite.Require().NotEqual(resource.String(path1), resource.String(path2))
ctx := context.Background()
suite.Require().NoError(suite.State.Create(ctx, path1, state.WithCreateOwner(owner1)))
suite.Require().NoError(suite.State.Create(ctx, path2, state.WithCreateOwner(owner2)))
r, err := suite.State.Get(ctx, path1.Metadata())
suite.Require().NoError(err)
suite.Assert().Equal(resource.String(path1), resource.String(r))
suite.Assert().Equal(owner1, r.Metadata().Owner())
r, err = suite.State.Get(ctx, path2.Metadata())
suite.Require().NoError(err)
suite.Assert().Equal(resource.String(path2), resource.String(r))
suite.Assert().Equal(owner2, r.Metadata().Owner())
err = suite.State.Update(ctx, r)
suite.Assert().Error(err)
suite.Assert().True(state.IsConflictError(err))
err = suite.State.Update(ctx, r, state.WithUpdateOwner(owner1))
suite.Assert().Error(err)
suite.Assert().True(state.IsConflictError(err))
err = suite.State.Update(ctx, r, state.WithUpdateOwner(owner2))
suite.Assert().NoError(err)
_, err = suite.State.Teardown(ctx, path1.Metadata())
suite.Assert().Error(err)
suite.Assert().True(state.IsConflictError(err))
destroyReady, err := suite.State.Teardown(ctx, path1.Metadata(), state.WithTeardownOwner(owner1))
suite.Require().NoError(err)
suite.Assert().True(destroyReady)
err = suite.State.Destroy(ctx, path1.Metadata(), state.WithDestroyOwner(owner2))
suite.Assert().Error(err)
suite.Assert().True(state.IsConflictError(err))
suite.Require().NoError(suite.State.Destroy(ctx, path1.Metadata(), state.WithDestroyOwner(owner1)))
// Add/RemoveFinalizers set correct owner
suite.Assert().NoError(suite.State.AddFinalizer(ctx, path2.Metadata(), "fin1"))
suite.Assert().NoError(suite.State.RemoveFinalizer(ctx, path2.Metadata(), "fin1"))
}
// TestWatchKind verifies WatchKind API.
func (suite *StateSuite) TestWatchKind() {
suite.testWatchKind(false)
}
// TestWatchKindAggregated verifies WatchKind API with aggregated watch.
func (suite *StateSuite) TestWatchKindAggregated() {
suite.testWatchKind(true)
}
func (suite *StateSuite) testWatchKind(useAggregated bool) {
ns := suite.getNamespace()
path1 := NewPathResource(ns, fmt.Sprintf("var/db/%v", useAggregated))
path2 := NewPathResource(ns, fmt.Sprintf("var/tmp/%v", useAggregated))
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
suite.Require().NoError(suite.State.Create(ctx, path1))
ch := make(chan state.Event)
suite.Require().NoError(watchAggregateAdapter(ctx, useAggregated, suite.State, path1.Metadata(), ch))
suite.Require().NoError(suite.State.Create(ctx, path2))
select {
case event := <-ch:
suite.Assert().Equal(state.Created, event.Type)
suite.Assert().Equal(resource.String(path2), resource.String(event.Resource))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
_, err := suite.State.Teardown(ctx, path1.Metadata())
suite.Require().NoError(err)
suite.Require().NoError(suite.State.Destroy(ctx, path1.Metadata()))
select {
case event := <-ch:
suite.Assert().Equal(state.Updated, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
suite.Assert().Equal(resource.String(path1), resource.String(event.Old))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
select {
case event := <-ch:
suite.Assert().Equal(state.Destroyed, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
oldVersion := path2.Metadata().Version()
suite.Require().NoError(suite.State.Update(ctx, path2))
newVersion := path2.Metadata().Version()
select {
case event := <-ch:
suite.Assert().Equal(state.Updated, event.Type)
suite.Assert().Equal(resource.String(path2), resource.String(event.Resource))
suite.Assert().Equal(newVersion, event.Resource.Metadata().Version())
suite.Assert().Equal(resource.String(path2), resource.String(event.Old))
suite.Assert().Equal(oldVersion, event.Old.Metadata().Version())
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
chWithBootstrap := make(chan state.Event)
suite.Require().NoError(watchAggregateAdapter(ctx, useAggregated, suite.State, path1.Metadata(), chWithBootstrap, state.WithBootstrapContents(true)))
resources, err := suite.State.List(ctx, path1.Metadata())
suite.Require().NoError(err)
for _, res := range resources.Items {
select {
case event := <-chWithBootstrap:
suite.Assert().Equal(state.Created, event.Type)
suite.Assert().Equal(resource.String(res), resource.String(event.Resource))
suite.Assert().Equal(res.Metadata().Version(), event.Resource.Metadata().Version())
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
}
select {
case event := <-chWithBootstrap:
suite.Assert().Equal(state.Bootstrapped, event.Type)
suite.Assert().Equal(path1.Metadata().Namespace(), event.Resource.Metadata().Namespace())
suite.Assert().Equal(path1.Metadata().Type(), event.Resource.Metadata().Type())
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
suite.Require().NoError(suite.State.Update(ctx, path2))
newVersion = path2.Metadata().Version()
select {
case event := <-ch:
suite.Assert().Equal(state.Updated, event.Type)
suite.Assert().Equal(resource.String(path2), resource.String(event.Resource))
suite.Assert().Equal(newVersion, event.Resource.Metadata().Version())
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
select {
case event := <-chWithBootstrap:
suite.Assert().Equal(state.Updated, event.Type)
suite.Assert().Equal(resource.String(path2), resource.String(event.Resource))
suite.Assert().Equal(newVersion, event.Resource.Metadata().Version())
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
}
// TestWatchKindWithTailEvents verifies WatchKind API with tail events.
func (suite *StateSuite) TestWatchKindWithTailEvents() {
suite.testWatchKindWithTailEvents(false)
}
// TestWatchKindAggregatedWithTailEvents verifies WatchKind API with aggregated watch and tail events.
func (suite *StateSuite) TestWatchKindAggregatedWithTailEvents() {
suite.testWatchKindWithTailEvents(true)
}
func (suite *StateSuite) testWatchKindWithTailEvents(useAggregated bool) {
ns := suite.getNamespace()
res := NewPathResource(ns, fmt.Sprintf("res/watch-kind-with-tail-events/%v", useAggregated))
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
ch := make(chan state.Event)
suite.Require().NoError(watchAggregateAdapter(ctx, useAggregated, suite.State, res.Metadata(), ch))
suite.Require().NoError(suite.State.Create(ctx, res))
suite.Require().NoError(suite.State.Update(ctx, res))
suite.Require().NoError(suite.State.Update(ctx, res))
_, err := suite.State.Teardown(ctx, res.Metadata())
suite.Require().NoError(err)
suite.Require().NoError(suite.State.Destroy(ctx, res.Metadata()))
expectedEvents := map[state.Event]struct{}{}
loop:
for {
select {
case event := <-ch:
expectedEvents[event] = struct{}{}
case <-time.After(time.Second):
break loop
}
}
// get event history
chWithTail := make(chan state.Event)
err = watchAggregateAdapter(ctx, useAggregated, suite.State, res.Metadata(), chWithTail, state.WithKindTailEvents(1000))
if state.IsUnsupportedError(err) {
suite.T().Skip("watch with tail events is not supported by this backend")
}
suite.Require().NoError(err)
for {
if len(expectedEvents) == 0 {
break
}
select {
case event := <-chWithTail:
for expected := range expectedEvents {
if expected.Type == event.Type && resource.Equal(expected.Resource, event.Resource) {
delete(expectedEvents, expected)
}
}
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event", "missed events %v", expectedEvents)
}
}
}
// TestWatchKindWithLabels verifies WatchKind API with label selectors.
func (suite *StateSuite) TestWatchKindWithLabels() {
suite.testWatchKindWithLabels(false)
}
// TestWatchKindAggregatedWithLabels verifies WatchKind API with aggregated watch and label selectors.
func (suite *StateSuite) TestWatchKindAggregatedWithLabels() {
suite.testWatchKindWithLabels(true)
}
//nolint:gocyclo,cyclop
func (suite *StateSuite) testWatchKindWithLabels(useAggregated bool) {
ns := suite.getNamespace()
labelLabel := fmt.Sprintf("label/%v", useAggregated)
labelCommon := fmt.Sprintf("common/%v", useAggregated)
labelApp := fmt.Sprintf("app/%v", useAggregated)
path1 := NewPathResource(ns, fmt.Sprintf("var/label1/%v", useAggregated))
path1.Metadata().Labels().Set(labelLabel, "label1")
path1.Metadata().Labels().Set(labelCommon, "app")
path2 := NewPathResource(ns, fmt.Sprintf("var/label2/%v", useAggregated))
path2.Metadata().Labels().Set(labelLabel, "label2")
path2.Metadata().Labels().Set(labelCommon, "app")
path3 := NewPathResource(ns, fmt.Sprintf("var/label3/%v", useAggregated))
path3.Metadata().Labels().Set(labelLabel, "label3")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
suite.Require().NoError(suite.State.Create(ctx, path1))
chLabel1 := make(chan state.Event)
chCommonApp := make(chan state.Event)
chOrLabel := make(chan state.Event)
// watch with label == label1
suite.Require().NoError(watchAggregateAdapter(
ctx,
useAggregated,
suite.State,
path1.Metadata(),
chLabel1,
state.WithBootstrapContents(true),
state.WatchWithLabelQuery(resource.LabelEqual(labelLabel, "label1")),
))
// watch with exists(common)
suite.Require().NoError(watchAggregateAdapter(
ctx,
useAggregated,
suite.State,
path1.Metadata(),
chCommonApp,
state.WithBootstrapContents(true),
state.WatchWithLabelQuery(resource.LabelExists(labelCommon)),
))
// watch with label == label2 || label == label3
suite.Require().NoError(watchAggregateAdapter(
ctx,
useAggregated,
suite.State,
path1.Metadata(),
chOrLabel,
state.WithBootstrapContents(true),
state.WatchWithLabelQuery(resource.LabelEqual(labelLabel, "label2")),
state.WatchWithLabelQuery(resource.LabelEqual(labelLabel, "label3")),
))
suite.Require().NoError(suite.State.Create(ctx, path2))
suite.Require().NoError(suite.State.Create(ctx, path3))
// label1 matches only path1
select {
case event := <-chLabel1:
suite.Assert().Equal(state.Created, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
// exists(common) matches path1 and path2
select {
case event := <-chCommonApp:
suite.Assert().Equal(state.Created, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
for _, ch := range []chan state.Event{chLabel1, chCommonApp, chOrLabel} {
select {
case event := <-ch:
suite.Assert().Equal(state.Bootstrapped, event.Type)
suite.Assert().Equal(path1.Metadata().Namespace(), event.Resource.Metadata().Namespace())
suite.Assert().Equal(path1.Metadata().Type(), event.Resource.Metadata().Type())
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
}
select {
case event := <-chCommonApp:
suite.Assert().Equal(state.Created, event.Type)
suite.Assert().Equal(resource.String(path2), resource.String(event.Resource))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
for _, res := range []*PathResource{path2, path3} {
select {
case event := <-chOrLabel:
suite.Require().Equal(state.Created, event.Type)
suite.Assert().Equal(resource.String(res), resource.String(event.Resource))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
}
// modify path3 so that it matches common
_, err := safe.StateUpdateWithConflicts(ctx, suite.State, path3.Metadata(), func(r *PathResource) error {
r.Metadata().Labels().Set(labelCommon, "foo")
return nil
})
suite.Require().NoError(err)
select {
case event := <-chCommonApp:
// state should mock this as "created" event
suite.Assert().Equal(state.Created, event.Type)
suite.Assert().Equal(resource.String(path3), resource.String(event.Resource))
suite.Assert().Nil(event.Old)
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
// do an update on path1, it should match both watch channels
_, err = safe.StateUpdateWithConflicts(ctx, suite.State, path1.Metadata(), func(r *PathResource) error {
r.Metadata().Labels().Set(labelApp, "app-awesome")
return nil
})
suite.Require().NoError(err)
for _, ch := range []chan state.Event{chLabel1, chCommonApp} {
select {
case event := <-ch:
suite.Assert().Equal(state.Updated, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
_, ok := event.Resource.Metadata().Labels().Get(labelApp)
suite.Assert().True(ok)
suite.Assert().Equal(resource.String(path1), resource.String(event.Old))
_, ok = event.Old.Metadata().Labels().Get(labelApp)
suite.Assert().False(ok)
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
}
// modify path1 so that it no longer matches common
_, err = safe.StateUpdateWithConflicts(ctx, suite.State, path1.Metadata(), func(r *PathResource) error {
r.Metadata().Labels().Delete(labelCommon)
return nil
})
suite.Require().NoError(err)
// chCommon should receive synthetic "destroy"
select {
case event := <-chCommonApp:
suite.Assert().Equal(state.Destroyed, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
suite.Assert().Nil(event.Old)
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
// chLabel1 should receive normal update
select {
case event := <-chLabel1:
suite.Assert().Equal(state.Updated, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
_, ok := event.Resource.Metadata().Labels().Get(labelCommon)
suite.Assert().False(ok)
suite.Assert().Equal(resource.String(path1), resource.String(event.Old))
_, ok = event.Old.Metadata().Labels().Get(labelCommon)
suite.Assert().True(ok)
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
}
// TestConcurrentFinalizers perform concurrent finalizer updates.
func (suite *StateSuite) TestConcurrentFinalizers() {
ns := suite.getNamespace()
path := NewPathResource(ns, "var/final")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
suite.Require().NoError(suite.State.Create(ctx, path))
var eg errgroup.Group
for _, fin := range []resource.Finalizer{"A", "B", "C", "D", "E", "F", "G", "H"} {
eg.Go(func() error {
return suite.State.AddFinalizer(ctx, path.Metadata(), fin)
})
}
for _, fin := range []resource.Finalizer{"A", "B", "C"} {
eg.Go(func() error {
return suite.State.RemoveFinalizer(ctx, path.Metadata(), fin)
})
}
suite.Assert().NoError(eg.Wait())
eg = errgroup.Group{}
for _, fin := range []resource.Finalizer{"A", "B", "C"} {
eg.Go(func() error {
return suite.State.RemoveFinalizer(ctx, path.Metadata(), fin)
})
}
suite.Assert().NoError(eg.Wait())
path, err := safe.StateGetResource(ctx, suite.State, path)
suite.Require().NoError(err)
finalizers := path.Metadata().Finalizers()
sort.Strings(*finalizers)
suite.Assert().Equal(resource.Finalizers{"D", "E", "F", "G", "H"}, *finalizers)
}
// TestWatchFor verifies WatchFor.
func (suite *StateSuite) TestWatchFor() {
ns := suite.getNamespace()
path1 := NewPathResource(ns, "tmp/one")
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
var (
wg sync.WaitGroup
r resource.Resource
err error
)
wg.Add(1)
// create a copy for watches to avoid race condition since the metadata gets updated by create/update operations
path1MdCopy := path1.Metadata().Copy()
go func() {
defer wg.Done()
r, err = suite.State.WatchFor(ctx, path1MdCopy, state.WithEventTypes(state.Created))
}()
suite.Require().NoError(suite.State.Create(ctx, path1))
wg.Wait()
suite.Require().NoError(err)
suite.Assert().Equal(r.Metadata().String(), path1.Metadata().String())
r, err = suite.State.WatchFor(ctx, path1.Metadata(), state.WithFinalizerEmpty())
suite.Require().NoError(err)
suite.Assert().Equal(r.Metadata().String(), path1.Metadata().String())
wg.Add(1)
go func() {
defer wg.Done()
r, err = suite.State.WatchFor(ctx, path1MdCopy, state.WithPhases(resource.PhaseTearingDown))
}()
ready, e := suite.State.Teardown(ctx, path1.Metadata())
suite.Require().NoError(e)
suite.Assert().True(ready)
wg.Wait()
suite.Require().NoError(err)
suite.Assert().Equal(r.Metadata().ID(), path1.Metadata().ID())
suite.Assert().Equal(resource.PhaseTearingDown, r.Metadata().Phase())
wg.Add(1)
go func() {
defer wg.Done()
r, err = suite.State.WatchFor(ctx, path1MdCopy, state.WithEventTypes(state.Destroyed))
}()
suite.Assert().NoError(suite.State.AddFinalizer(ctx, path1.Metadata(), "A"))
suite.Assert().NoError(suite.State.RemoveFinalizer(ctx, path1.Metadata(), "A"))
suite.Assert().NoError(suite.State.Destroy(ctx, path1.Metadata()))
wg.Wait()
suite.Assert().NoError(err)
suite.Assert().Equal(r.Metadata().ID(), path1.Metadata().ID())
}
// TestWatch verifies Watch.
func (suite *StateSuite) TestWatch() {
ns := suite.getNamespace()
path1 := NewPathResource(ns, "tmp/two")
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
ch := make(chan state.Event)
suite.Require().NoError(suite.State.Watch(ctx, path1.Metadata(), ch))
select {
case event := <-ch:
suite.Assert().Equal(state.Destroyed, event.Type)
suite.Assert().Equal(path1.Metadata().ID(), event.Resource.Metadata().ID())
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
suite.Require().NoError(suite.State.Create(ctx, path1))
select {
case event := <-ch:
suite.Assert().Equal(state.Created, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
ready, e := suite.State.Teardown(ctx, path1.Metadata())
suite.Require().NoError(e)
suite.Assert().True(ready)
select {
case event := <-ch:
suite.Assert().Equal(state.Updated, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
suite.Assert().Equal(resource.PhaseTearingDown, event.Resource.Metadata().Phase())
suite.Assert().Equal(resource.String(path1), resource.String(event.Old))
suite.Assert().Equal(resource.PhaseRunning, event.Old.Metadata().Phase())
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
suite.Assert().NoError(suite.State.AddFinalizer(ctx, path1.Metadata(), "A"))
select {
case event := <-ch:
suite.Assert().Equal(state.Updated, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
suite.Assert().NoError(suite.State.RemoveFinalizer(ctx, path1.Metadata(), "A"))
select {
case event := <-ch:
suite.Assert().Equal(state.Updated, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
suite.Assert().NoError(suite.State.Destroy(ctx, path1.Metadata()))
select {
case event := <-ch:
suite.Assert().Equal(state.Destroyed, event.Type)
suite.Assert().Equal(resource.String(path1), resource.String(event.Resource))
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
}
// TestWatchWithTailEvents verifies Watch with tail events option.
func (suite *StateSuite) TestWatchWithTailEvents() {
ns := suite.getNamespace()
path1 := NewPathResource(ns, "res/watch-with-tail-events")
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
ch := make(chan state.Event)
suite.Require().NoError(suite.State.Watch(ctx, path1.Metadata(), ch))
select {
case <-ch: // swallow the initial "destroyed" event
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event")
}
suite.Require().NoError(suite.State.Create(ctx, path1))
ready, e := suite.State.Teardown(ctx, path1.Metadata())
suite.Require().NoError(e)
suite.Assert().True(ready)
suite.Assert().NoError(suite.State.AddFinalizer(ctx, path1.Metadata(), "A"))
suite.Assert().NoError(suite.State.RemoveFinalizer(ctx, path1.Metadata(), "A"))
suite.Assert().NoError(suite.State.Destroy(ctx, path1.Metadata()))
expectedEvents := map[state.Event]struct{}{}
loop:
for {
select {
case event := <-ch:
expectedEvents[event] = struct{}{}
case <-time.After(5 * time.Second):
break loop
}
}
// get event history
chWithTail := make(chan state.Event)
err := suite.State.Watch(ctx, path1.Metadata(), chWithTail, state.WithTailEvents(1000))
if state.IsUnsupportedError(err) {
suite.T().Skip("watch with tail events is not supported by this backend")
}
suite.Require().NoError(e)
for {
if len(expectedEvents) == 0 {
break
}
select {
case event := <-chWithTail:
for expected := range expectedEvents {
if expected.Type == event.Type && resource.Equal(expected.Resource, event.Resource) {
delete(expectedEvents, expected)
}
}
case <-time.After(time.Second):
suite.FailNow("timed out waiting for event", "missed events %v", expectedEvents)
}
}
}
// TestTeardownDestroy verifies finalizers, teardown and destroy.
func (suite *StateSuite) TestTeardownDestroy() {
ns := suite.getNamespace()
path1 := NewPathResource(ns, "tmp/1")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
suite.Require().NoError(suite.State.Create(ctx, path1))
suite.Assert().NoError(suite.State.AddFinalizer(ctx, path1.Metadata(), "A"))
err := suite.State.Destroy(ctx, path1.Metadata())
suite.Require().Error(err)
suite.Assert().True(state.IsConflictError(err))
ready, err := suite.State.Teardown(ctx, path1.Metadata())
suite.Require().NoError(err)
suite.Assert().False(ready)
ready, err = suite.State.Teardown(ctx, path1.Metadata())
suite.Require().NoError(err)
suite.Assert().False(ready)
err = suite.State.Destroy(ctx, path1.Metadata())
suite.Require().Error(err)
suite.Assert().True(state.IsConflictError(err))
suite.Assert().NoError(suite.State.RemoveFinalizer(ctx, path1.Metadata(), "A"))
ready, err = suite.State.Teardown(ctx, path1.Metadata())
suite.Require().NoError(err)
suite.Assert().True(ready)
suite.Assert().NoError(suite.State.Destroy(ctx, path1.Metadata()))
}
// TestUpdate verifies update flow.
func (suite *StateSuite) TestUpdate() {
ns := suite.getNamespace()
path1 := NewPathResource(ns, "tmp/path1")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
err := suite.State.Update(ctx, path1)
suite.Assert().Error(err)
suite.Assert().True(state.IsNotFoundError(err))
oldVersion := path1.Metadata().Version()
suite.Require().NoError(suite.State.Create(ctx, path1))
newVersion := path1.Metadata().Version()
suite.Assert().NotEqual(oldVersion, newVersion)
path1.Metadata().SetVersion(oldVersion)
err = suite.State.Update(ctx, path1)
suite.Assert().Error(err)
suite.Assert().True(state.IsConflictError(err))
path1.Metadata().SetVersion(newVersion.Next())
err = suite.State.Update(ctx, path1)
suite.Assert().Error(err)
suite.Assert().True(state.IsConflictError(err))
path1.Metadata().SetVersion(newVersion)
suite.Assert().NoError(suite.State.Update(ctx, path1))
// torn down objects are not updateable
_, err = suite.State.Teardown(ctx, path1.Metadata())
suite.Require().NoError(err)
path1, err = safe.StateGetResource(ctx, suite.State, path1)
suite.Require().NoError(err)
err = suite.State.Update(ctx, path1)
suite.Require().Error(err)
suite.Assert().True(state.IsPhaseConflictError(err))
// update with explicit phase
err = suite.State.Update(ctx, path1, state.WithExpectedPhase(resource.PhaseTearingDown))
suite.Require().NoError(err)
}
// TestLabels verifies operations with labels.
func (suite *StateSuite) TestLabels() {
ns := suite.getNamespace()
path1 := NewPathResource(ns, "labeled/app1")
path1.Metadata().Labels().Set("app", "app1")
path1.Metadata().Labels().Set("frozen", "")
path1.Metadata().Labels().Set("weight", "10kg")
path2 := NewPathResource(ns, "labeled/app2")
path2.Metadata().Labels().Set("app", "app2")
path2.Metadata().Labels().Set("frozen", "")
path2.Metadata().Labels().Set("weight", "20kg")
path3 := NewPathResource(ns, "labeled/app3")
path3.Metadata().Labels().Set("app", "app3")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
err := suite.State.Create(ctx, path1)
suite.Require().NoError(err)
err = suite.State.Create(ctx, path2)
suite.Require().NoError(err)
err = suite.State.Create(ctx, path3)
suite.Require().NoError(err)
r, err := suite.State.Get(ctx, path1.Metadata())
suite.Require().NoError(err)
path1Copy := r.(*PathResource) //nolint:errcheck,forcetypeassert
v, ok := path1Copy.Metadata().Labels().Get("app")
suite.Assert().True(ok)
suite.Assert().Equal("app1", v)
list, err := safe.StateList[*PathResource](ctx, suite.State, path1.Metadata(), state.WithLabelQuery(resource.LabelExists("frozen")))
suite.Require().NoError(err)
suite.Require().Equal(2, list.Len())
suite.Assert().True(resourceEqualIgnoreVersion(path1, list.Get(0)))
suite.Assert().True(resourceEqualIgnoreVersion(path2, list.Get(1)))
list, err = safe.StateList[*PathResource](ctx, suite.State, path1.Metadata(), state.WithLabelQuery(resource.LabelExists("frozen"), resource.LabelEqual("app", "app2")))
suite.Require().NoError(err)