func initGCP() {
initGCPOnce.Do(func() {
onGCE = metadata.OnGCE()
if onGCE {
// These will fail on instances if the metadata service is
// down or the client is compiled with an API version that
// has been removed. Since these are not vital, let's ignore
// them and make their fields in the dockeLogEntry ,omitempty
projectID, _ = metadata.ProjectID()
zone, _ = metadata.Zone()
instanceName, _ = metadata.InstanceName()
instanceID, _ = metadata.InstanceID()
}
})
}
func init() {
if onGCE {
// These will fail on instances if the metadata service is
// down or the client is compiled with an API version that
// has been removed. Since these are not vital, let's ignore
// them and make their fields in the dockeLogEntry ,omitempty
projectID, _ = metadata.ProjectID()
zone, _ = metadata.Zone()
instanceName, _ = metadata.InstanceName()
instanceID, _ = metadata.InstanceID()
}
if err := logger.RegisterLogDriver(name, New); err != nil {
logrus.Fatal(err)
}
if err := logger.RegisterLogOptValidator(name, ValidateLogOpts); err != nil {
logrus.Fatal(err)
}
}
func (cmo *CloudMonitoringOutput) Init(config interface{}) (err error) {
cmo.conf = config.(*CloudMonitoringConfig)
if metadata.OnGCE() {
if cmo.conf.ProjectId == "" {
if cmo.conf.ProjectId, err = metadata.ProjectID(); err != nil {
return
}
}
if cmo.conf.ResourceId == "" {
if cmo.conf.ResourceId, err = metadata.InstanceID(); err != nil {
return
}
}
if cmo.conf.Zone == "" {
if cmo.conf.Zone, err = metadata.Get("instance/zone"); err != nil {
return
}
}
}
if cmo.conf.ProjectId == "" {
return errors.New("ProjectId cannot be blank")
}
cmo.batchChan = make(chan MonitoringBatch)
cmo.backChan = make(chan []*cloudmonitoring.TimeseriesPoint, 2)
cmo.outputExit = make(chan error)
if cmo.client, err = google.DefaultClient(oauth2.NoContext,
cloudmonitoring.MonitoringScope); err != nil {
return
}
if cmo.service, err = cloudmonitoring.New(cmo.client); err != nil {
return
}
r := &cloudmonitoring.ListMetricDescriptorsRequest{Kind: "cloudmonitoring#listMetricDescriptorsRequest"}
_, err = cmo.service.MetricDescriptors.List(cmo.conf.ProjectId, r).Do()
if err != nil {
log.Print("Init CloudMonitoringOutput Error: %v", err)
}
return
}
func (clo *CloudLoggingOutput) Init(config interface{}) (err error) {
clo.conf = config.(*CloudLoggingConfig)
if metadata.OnGCE() {
if clo.conf.ProjectId == "" {
if clo.conf.ProjectId, err = metadata.ProjectID(); err != nil {
return
}
}
if clo.conf.ResourceId == "" {
if clo.conf.ResourceId, err = metadata.InstanceID(); err != nil {
return
}
}
if clo.conf.Zone == "" {
if clo.conf.Zone, err = metadata.Get("instance/zone"); err != nil {
return
}
}
}
if clo.conf.ProjectId == "" {
return errors.New("ProjectId cannot be blank")
}
clo.batchChan = make(chan LogBatch)
clo.backChan = make(chan []*logging.LogEntry, 2)
clo.outputExit = make(chan error)
if clo.client, err = google.DefaultClient(oauth2.NoContext,
logging.CloudPlatformScope); err != nil {
return
}
if clo.service, err = logging.New(clo.client); err != nil {
return
}
_, err = clo.service.Projects.LogServices.List(clo.conf.ProjectId).Do()
if err != nil {
log.Print("Init CloudLoggingOutput Error: %v", err)
}
return
}