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restic/vendor/cloud.google.com/go/logging/logadmin/sinks_test.go
2017-08-06 21:47:56 +02:00

226 lines
5.9 KiB
Go

// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// TODO(jba): document in CONTRIBUTING.md that service account must be given "Logs Configuration Writer" IAM role for sink tests to pass.
// TODO(jba): [cont] (1) From top left menu, go to IAM & Admin. (2) In Roles dropdown for acct, select Logging > Logs Configuration Writer. (3) Save.
// TODO(jba): Also, cloud-logs@google.com must have Owner permission on the GCS bucket named for the test project.
package logadmin
import (
"log"
"testing"
"time"
"cloud.google.com/go/internal/testutil"
"cloud.google.com/go/storage"
"golang.org/x/net/context"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
)
var sinkIDs = testutil.NewUIDSpace("GO-CLIENT-TEST-SINK")
const testFilter = ""
var testSinkDestination string
// Called just before TestMain calls m.Run.
// Returns a cleanup function to be called after the tests finish.
func initSinks(ctx context.Context) func() {
// Create a unique GCS bucket so concurrent tests don't interfere with each other.
bucketIDs := testutil.NewUIDSpace(testProjectID + "-log-sink")
testBucket := bucketIDs.New()
testSinkDestination = "storage.googleapis.com/" + testBucket
var storageClient *storage.Client
if integrationTest {
// Create a unique bucket as a sink destination, and give the cloud logging account
// owner right.
ts := testutil.TokenSource(ctx, storage.ScopeFullControl)
var err error
storageClient, err = storage.NewClient(ctx, option.WithTokenSource(ts))
if err != nil {
log.Fatalf("new storage client: %v", err)
}
bucket := storageClient.Bucket(testBucket)
if err := bucket.Create(ctx, testProjectID, nil); err != nil {
log.Fatalf("creating storage bucket %q: %v", testBucket, err)
}
if err := bucket.ACL().Set(ctx, "group-cloud-logs@google.com", storage.RoleOwner); err != nil {
log.Fatalf("setting owner role: %v", err)
}
}
// Clean up from aborted tests.
it := client.Sinks(ctx)
for {
s, err := it.Next()
if err == iterator.Done {
break
}
if err != nil {
log.Printf("listing sinks: %v", err)
break
}
if sinkIDs.Older(s.ID, 24*time.Hour) {
client.DeleteSink(ctx, s.ID) // ignore error
}
}
if integrationTest {
for _, bn := range bucketNames(ctx, storageClient) {
if bucketIDs.Older(bn, 24*time.Hour) {
storageClient.Bucket(bn).Delete(ctx) // ignore error
}
}
return func() {
if err := storageClient.Bucket(testBucket).Delete(ctx); err != nil {
log.Printf("deleting %q: %v", testBucket, err)
}
storageClient.Close()
}
}
return func() {}
}
// Collect the name of all buckets for the test project.
func bucketNames(ctx context.Context, client *storage.Client) []string {
var names []string
it := client.Buckets(ctx, testProjectID)
loop:
for {
b, err := it.Next()
switch err {
case nil:
names = append(names, b.Name)
case iterator.Done:
break loop
default:
log.Printf("listing buckets: %v", err)
break loop
}
}
return names
}
func TestCreateDeleteSink(t *testing.T) {
ctx := context.Background()
sink := &Sink{
ID: sinkIDs.New(),
Destination: testSinkDestination,
Filter: testFilter,
}
got, err := client.CreateSink(ctx, sink)
if err != nil {
t.Fatal(err)
}
defer client.DeleteSink(ctx, sink.ID)
if want := sink; !testutil.Equal(got, want) {
t.Errorf("got %+v, want %+v", got, want)
}
got, err = client.Sink(ctx, sink.ID)
if err != nil {
t.Fatal(err)
}
if want := sink; !testutil.Equal(got, want) {
t.Errorf("got %+v, want %+v", got, want)
}
if err := client.DeleteSink(ctx, sink.ID); err != nil {
t.Fatal(err)
}
if _, err := client.Sink(ctx, sink.ID); err == nil {
t.Fatal("got no error, expected one")
}
}
func TestUpdateSink(t *testing.T) {
ctx := context.Background()
sink := &Sink{
ID: sinkIDs.New(),
Destination: testSinkDestination,
Filter: testFilter,
}
// Updating a non-existent sink creates a new one.
got, err := client.UpdateSink(ctx, sink)
if err != nil {
t.Fatal(err)
}
defer client.DeleteSink(ctx, sink.ID)
if want := sink; !testutil.Equal(got, want) {
t.Errorf("got %+v, want %+v", got, want)
}
got, err = client.Sink(ctx, sink.ID)
if err != nil {
t.Fatal(err)
}
if want := sink; !testutil.Equal(got, want) {
t.Errorf("got %+v, want %+v", got, want)
}
// Updating an existing sink changes it.
sink.Filter = ""
if _, err := client.UpdateSink(ctx, sink); err != nil {
t.Fatal(err)
}
got, err = client.Sink(ctx, sink.ID)
if err != nil {
t.Fatal(err)
}
if want := sink; !testutil.Equal(got, want) {
t.Errorf("got %+v, want %+v", got, want)
}
}
func TestListSinks(t *testing.T) {
ctx := context.Background()
var sinks []*Sink
want := map[string]*Sink{}
for i := 0; i < 4; i++ {
s := &Sink{
ID: sinkIDs.New(),
Destination: testSinkDestination,
Filter: testFilter,
}
sinks = append(sinks, s)
want[s.ID] = s
}
for _, s := range sinks {
if _, err := client.CreateSink(ctx, s); err != nil {
t.Fatalf("Create(%q): %v", s.ID, err)
}
defer client.DeleteSink(ctx, s.ID)
}
got := map[string]*Sink{}
it := client.Sinks(ctx)
for {
s, err := it.Next()
if err == iterator.Done {
break
}
if err != nil {
t.Fatal(err)
}
// If tests run simultaneously, we may have more sinks than we
// created. So only check for our own.
if _, ok := want[s.ID]; ok {
got[s.ID] = s
}
}
if !testutil.Equal(got, want) {
t.Errorf("got %+v, want %+v", got, want)
}
}