| // 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 metrics |
| |
| import ( |
| "istio.io/pkg/monitoring" |
| ) |
| |
| var ( |
| disconnectionTypeTag = monitoring.MustCreateLabel("type") |
| |
| // IstiodConnectionFailures records total number of connection failures to Istiod. |
| IstiodConnectionFailures = monitoring.NewSum( |
| "istiod_connection_failures", |
| "The total number of connection failures to Istiod", |
| ) |
| |
| // istiodDisconnections records total number of unexpected disconnections by Istiod. |
| istiodDisconnections = monitoring.NewSum( |
| "istiod_connection_terminations", |
| "The total number of connection errors to Istiod", |
| monitoring.WithLabels(disconnectionTypeTag), |
| ) |
| |
| // envoyDisconnections records total number of unexpected disconnections by Envoy. |
| envoyDisconnections = monitoring.NewSum( |
| "envoy_connection_terminations", |
| "The total number of connection errors from envoy", |
| monitoring.WithLabels(disconnectionTypeTag), |
| ) |
| |
| // TODO: Add type url as type for requeasts and responses if needed. |
| |
| // XdsProxyRequests records total number of downstream requests. |
| XdsProxyRequests = monitoring.NewSum( |
| "xds_proxy_requests", |
| "The total number of Xds Proxy Requests", |
| ) |
| |
| // XdsProxyResponses records total number of upstream responses. |
| XdsProxyResponses = monitoring.NewSum( |
| "xds_proxy_responses", |
| "The total number of Xds Proxy Responses", |
| ) |
| |
| IstiodConnectionCancellations = istiodDisconnections.With(disconnectionTypeTag.Value(Cancel)) |
| IstiodConnectionErrors = istiodDisconnections.With(disconnectionTypeTag.Value(Error)) |
| EnvoyConnectionCancellations = envoyDisconnections.With(disconnectionTypeTag.Value(Cancel)) |
| EnvoyConnectionErrors = envoyDisconnections.With(disconnectionTypeTag.Value(Error)) |
| ) |
| |
| var ( |
| Cancel = "cancelled" |
| Error = "error" |
| ) |
| |
| func init() { |
| monitoring.MustRegister( |
| IstiodConnectionFailures, |
| IstiodConnectionErrors, |
| istiodDisconnections, |
| envoyDisconnections, |
| ) |
| } |