func DeleteMetric(client *http.Client, project, name string) error {
service, err := cm.New(client)
if err != nil {
return err
}
_, err = service.MetricDescriptors.Delete(project, name).Do()
return err
}
func ListMetrics(client *http.Client, project string) ([]*cm.MetricDescriptor, error) {
service, err := cm.New(client)
if err != nil {
return nil, err
}
resp, err := service.MetricDescriptors.List(project, &cm.ListMetricDescriptorsRequest{}).Do()
if err != nil {
return nil, err
}
return resp.Metrics, nil
}
func CreateMetric(client *http.Client, project string, m *Metric) error {
service, err := cm.New(client)
if err != nil {
return err
}
_, err = service.MetricDescriptors.Create(project, newMetricDescriptor(m)).Do()
if err != nil {
return err
}
return nil
}
func CreateGCMSink(uri *url.URL) (core.DataSink, error) {
if len(uri.Scheme) > 0 {
return nil, fmt.Errorf("scheme should not be set for GCM sink")
}
if len(uri.Host) > 0 {
return nil, fmt.Errorf("host should not be set for GCM sink")
}
opts, err := url.ParseQuery(uri.RawQuery)
metrics := "all"
if len(opts["metrics"]) > 0 {
metrics = opts["metrics"][0]
}
var metricFilter MetricFilter = metricsAll
switch metrics {
case "all":
metricFilter = metricsAll
case "autoscaling":
metricFilter = metricsOnlyAutoscaling
default:
return nil, fmt.Errorf("invalid metrics parameter: %s", metrics)
}
if err := gce_util.EnsureOnGCE(); err != nil {
return nil, err
}
// Detect project ID
projectId, err := gce.ProjectID()
if err != nil {
return nil, err
}
// Create Google Cloud Monitoring service.
client := oauth2.NewClient(oauth2.NoContext, google.ComputeTokenSource(""))
gcmService, err := gcm.New(client)
if err != nil {
return nil, err
}
sink := &gcmSink{
registered: false,
project: projectId,
gcmService: gcmService,
metricFilter: metricFilter,
}
glog.Infof("created GCM sink")
if err := sink.registerAllMetrics(); err != nil {
glog.Warningf("Error during metrics registration: %v", err)
}
return sink, nil
}
func newGcmSource() (dataSource, error) {
// Detect project ID
projectId, err := gce.ProjectID()
if err != nil {
return nil, err
}
// Create Google Cloud Monitoring service.
client := oauth2.NewClient(oauth2.NoContext, google.ComputeTokenSource(""))
s, err := gcm.New(client)
if err != nil {
return nil, err
}
return &gcmSource{
project: projectId,
gcmService: s,
}, nil
}
func WriteTimeseries(client *http.Client, project string, timeseries []*Timeseries) error {
service, err := cm.New(client)
if err != nil {
return err
}
labels := make(map[string]string)
timeseriesPoints := make([]*cm.TimeseriesPoint, len(timeseries))
for ix, t := range timeseries {
p := newTimeseriesPoint(t.MetricName, t.Int64Value, t.DoubleValue, t.Now, t.Labels)
timeseriesPoints[ix] = p
}
request := &cm.WriteTimeseriesRequest{
CommonLabels: labels,
Timeseries: timeseriesPoints,
}
_, err = service.Timeseries.Write(project, request).Do()
return err
}