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stackdriver.go
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stackdriver.go
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// Copyright Istio Authors
//
// 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.
package stackdriver
import (
loggingpb "cloud.google.com/go/logging/apiv2/loggingpb"
"cloud.google.com/go/monitoring/apiv3/v2/monitoringpb"
cloudtracepb "cloud.google.com/go/trace/apiv1/tracepb"
"istio.io/istio/pkg/test"
"istio.io/istio/pkg/test/framework"
"istio.io/istio/pkg/test/framework/components/cluster"
"istio.io/istio/pkg/test/framework/resource"
)
// Instance represents a deployed Stackdriver app instance in a Kubernetes cluster.
type Instance interface {
Address() string
// Gets the namespace in which stackdriver is deployed.
GetStackdriverNamespace() string
ListTimeSeries(namespace, project string) ([]*monitoringpb.TimeSeries, error)
ListLogEntries(lt LogType, namespace, project string) ([]*loggingpb.LogEntry, error)
ListTraces(namespace, project string) ([]*cloudtracepb.Trace, error)
}
type Config struct {
// Cluster to be used in a multicluster environment
Cluster cluster.Cluster
}
// New returns a new instance of stackdriver.
func New(ctx resource.Context, c Config) (i Instance, err error) {
if UseRealStackdriver() {
return newRealStackdriver(ctx, c)
}
return newKube(ctx, c)
}
// NewOrFail returns a new Stackdriver instance or fails test.
func NewOrFail(t test.Failer, ctx resource.Context, c Config, realSD bool) Instance {
t.Helper()
i, err := New(ctx, c)
if err != nil {
t.Fatalf("stackdriver.NewOrFail: %v", err)
}
return i
}
func UseRealStackdriver() bool {
// If the framework requests a real backend, honor that request. It is possible
// to configure the CA to generate GCP credentials off-GCP.
return framework.UseRealStackdriver
}