caching/vendor/knative.dev/pkg/metrics/monitored_resources_serving.go

74 lines
2.4 KiB
Go

/*
Copyright 2019 The Knative 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 metrics
import (
"contrib.go.opencensus.io/exporter/stackdriver/monitoredresource"
"go.opencensus.io/metric/metricdata"
"knative.dev/pkg/metrics/metricskey"
)
// TODO should be moved to serving. See https://github.com/knative/pkg/issues/608
type KnativeRevision struct {
Project string
Location string
ClusterName string
NamespaceName string
ServiceName string
ConfigurationName string
RevisionName string
}
func (kr *KnativeRevision) MonitoredResource() (resType string, labels map[string]string) {
labels = map[string]string{
metricskey.LabelProject: kr.Project,
metricskey.LabelLocation: kr.Location,
metricskey.LabelClusterName: kr.ClusterName,
metricskey.LabelNamespaceName: kr.NamespaceName,
metricskey.LabelServiceName: kr.ServiceName,
metricskey.LabelConfigurationName: kr.ConfigurationName,
metricskey.LabelRevisionName: kr.RevisionName,
}
return metricskey.ResourceTypeKnativeRevision, labels
}
func GetKnativeRevisionMonitoredResource(
des *metricdata.Descriptor, tags map[string]string, gm *gcpMetadata) (map[string]string, monitoredresource.Interface) {
kr := &KnativeRevision{
// The first three resource labels are from metadata.
Project: gm.project,
Location: gm.location,
ClusterName: gm.cluster,
// The rest resource labels are from metrics labels.
NamespaceName: valueOrUnknown(metricskey.LabelNamespaceName, tags),
ServiceName: valueOrUnknown(metricskey.LabelServiceName, tags),
ConfigurationName: valueOrUnknown(metricskey.LabelConfigurationName, tags),
RevisionName: valueOrUnknown(metricskey.LabelRevisionName, tags),
}
metricLabels := map[string]string{}
for k, v := range tags {
// Keep the metrics labels that are not resource labels
if !metricskey.KnativeRevisionLabels.Has(k) {
metricLabels[k] = v
}
}
return metricLabels, kr
}