| // 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 client |
| |
| import ( |
| "istio.io/pkg/monitoring" |
| ) |
| |
| var ( |
| requests = monitoring.NewSum( |
| "dns_requests_total", |
| "Total number of DNS requests.", |
| ) |
| |
| upstreamRequests = monitoring.NewSum( |
| "dns_upstream_requests_total", |
| "Total number of DNS requests forwarded to upstream.", |
| ) |
| |
| failures = monitoring.NewSum( |
| "dns_upstream_failures_total", |
| "Total number of DNS requests forwarded to upstream.", |
| ) |
| |
| requestDuration = monitoring.NewDistribution( |
| "dns_upstream_request_duration_seconds", |
| "Total time in seconds Istio takes to get DNS response from upstream.", |
| []float64{.005, .001, 0.01, 0.1, 1, 5}, |
| ) |
| ) |
| |
| func registerStats() { |
| monitoring.MustRegister(requests) |
| monitoring.MustRegister(upstreamRequests) |
| monitoring.MustRegister(failures) |
| monitoring.MustRegister(requestDuration) |
| } |