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81 lines
3.2 KiB
Go
81 lines
3.2 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metrics
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import (
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"k8s.io/kubernetes/pkg/util/sets"
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"github.com/prometheus/common/model"
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)
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var KnownApiServerMetrics = map[string][]string{
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"apiserver_request_count": {"verb", "resource", "client", "contentType", "code"},
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"apiserver_request_latencies_bucket": {"verb", "resource", "le"},
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"apiserver_request_latencies_count": {"verb", "resource"},
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"apiserver_request_latencies_sum": {"verb", "resource"},
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"apiserver_request_latencies_summary": {"verb", "resource", "quantile"},
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"apiserver_request_latencies_summary_count": {"verb", "resource"},
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"apiserver_request_latencies_summary_sum": {"verb", "resource"},
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"authenticated_user_requests": {"username"},
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"etcd_helper_cache_entry_count": {},
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"etcd_helper_cache_hit_count": {},
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"etcd_helper_cache_miss_count": {},
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"etcd_request_cache_add_latencies_summary": {"quantile"},
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"etcd_request_cache_add_latencies_summary_count": {},
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"etcd_request_cache_add_latencies_summary_sum": {},
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"etcd_request_cache_get_latencies_summary": {"quantile"},
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"etcd_request_cache_get_latencies_summary_count": {},
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"etcd_request_cache_get_latencies_summary_sum": {},
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"etcd_request_latencies_summary": {"operation", "type", "quantile"},
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"etcd_request_latencies_summary_count": {"operation", "type"},
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"etcd_request_latencies_summary_sum": {"operation", "type"},
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"rest_client_request_latency_microseconds": {"url", "verb", "quantile"},
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"rest_client_request_latency_microseconds_count": {"url", "verb"},
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"rest_client_request_latency_microseconds_sum": {"url", "verb"},
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"rest_client_request_status_codes": {"code", "host", "method"},
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}
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type ApiServerMetrics Metrics
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func (m *ApiServerMetrics) Equal(o ApiServerMetrics) bool {
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return (*Metrics)(m).Equal(Metrics(o))
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}
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func NewApiServerMetrics() ApiServerMetrics {
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result := NewMetrics()
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for metric := range KnownApiServerMetrics {
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result[metric] = make(model.Samples, 0)
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}
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return ApiServerMetrics(result)
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}
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func parseApiServerMetrics(data string, unknownMetrics sets.String) (ApiServerMetrics, error) {
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result := NewApiServerMetrics()
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if err := parseMetrics(data, KnownApiServerMetrics, (*Metrics)(&result), unknownMetrics); err != nil {
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return ApiServerMetrics{}, err
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}
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return result, nil
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}
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func (g *MetricsGrabber) getMetricsFromApiServer() (string, error) {
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rawOutput, err := g.client.Get().RequestURI("/metrics").Do().Raw()
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if err != nil {
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return "", err
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}
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return string(rawOutput), nil
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}
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