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https://github.com/fluxcd/flagger.git
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Federico Nafria
2d5e289142
`nginx_ingress_controller_ingress_upstream_latency_seconds_sum` measures the connection latency, not the time it takes the backend to respond. Fixes #1685 Signed-off-by: Federico Nafria <federiconafria@gmail.com>
105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
/*
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Copyright 2020 The Flux authors
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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 observers
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import (
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"fmt"
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"time"
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flaggerv1 "github.com/fluxcd/flagger/pkg/apis/flagger/v1beta1"
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"github.com/fluxcd/flagger/pkg/metrics/providers"
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)
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var nginxQueries = map[string]string{
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"request-success-rate": `
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sum(
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rate(
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nginx_ingress_controller_requests{
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namespace="{{ namespace }}",
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ingress="{{ ingress }}",
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canary!="",
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status!~"5.*"
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}[{{ interval }}]
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)
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)
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/
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sum(
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rate(
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nginx_ingress_controller_requests{
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namespace="{{ namespace }}",
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ingress="{{ ingress }}",
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canary!=""
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}[{{ interval }}]
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)
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)
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* 100`,
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"request-duration": `
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sum(
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rate(
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nginx_ingress_controller_response_duration_seconds_sum{
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namespace="{{ namespace }}",
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ingress="{{ ingress }}",
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canary!=""
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}[{{ interval }}]
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)
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)
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/
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sum(
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rate(
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nginx_ingress_controller_response_duration_seconds_count{
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namespace="{{ namespace }}",
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ingress="{{ ingress }}",
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canary!=""
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}[{{ interval }}]
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)
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)
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* 1000`,
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}
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type NginxObserver struct {
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client providers.Interface
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}
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func (ob *NginxObserver) GetRequestSuccessRate(model flaggerv1.MetricTemplateModel) (float64, error) {
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query, err := RenderQuery(nginxQueries["request-success-rate"], model)
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if err != nil {
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return 0, fmt.Errorf("rendering query failed: %w", err)
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}
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value, err := ob.client.RunQuery(query)
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if err != nil {
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return 0, fmt.Errorf("running query failed: %w", err)
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}
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return value, nil
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}
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func (ob *NginxObserver) GetRequestDuration(model flaggerv1.MetricTemplateModel) (time.Duration, error) {
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query, err := RenderQuery(nginxQueries["request-duration"], model)
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if err != nil {
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return 0, fmt.Errorf("rendering query failed: %w", err)
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}
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value, err := ob.client.RunQuery(query)
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if err != nil {
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return 0, fmt.Errorf("running query failed: %w", err)
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}
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ms := time.Duration(int64(value)) * time.Millisecond
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return ms, nil
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}
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