mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-10 15:44:05 -08:00
75 lines
2 KiB
Go
75 lines
2 KiB
Go
// Copyright 2013 The Prometheus 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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package retrieval
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import (
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"testing"
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"golang.org/x/net/context"
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"gopkg.in/yaml.v2"
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"github.com/prometheus/prometheus/config"
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"github.com/prometheus/prometheus/storage/local"
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)
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func TestTargetSetRecreatesTargetGroupsEveryRun(t *testing.T) {
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verifyPresence := func(tgroups map[string][]*Target, name string, present bool) {
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if _, ok := tgroups[name]; ok != present {
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msg := ""
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if !present {
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msg = "not "
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}
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t.Fatalf("'%s' should %sbe present in TargetSet.tgroups: %s", name, msg, tgroups)
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}
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}
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scrapeConfig := &config.ScrapeConfig{}
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sOne := `
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job_name: "foo"
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dns_sd_configs:
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- names:
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- "srv.name.one.example.org"
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`
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if err := yaml.Unmarshal([]byte(sOne), scrapeConfig); err != nil {
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t.Fatalf("Unable to load YAML config sOne: %s", err)
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}
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// Not properly setting it up, but that seems okay
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mss := &local.MemorySeriesStorage{}
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ts := newTargetSet(scrapeConfig, mss)
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ts.runProviders(context.Background(), providersFromConfig(scrapeConfig))
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verifyPresence(ts.tgroups, "dns/0/srv.name.one.example.org", true)
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sTwo := `
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job_name: "foo"
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dns_sd_configs:
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- names:
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- "srv.name.two.example.org"
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`
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if err := yaml.Unmarshal([]byte(sTwo), scrapeConfig); err != nil {
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t.Fatalf("Unable to load YAML config sTwo: %s", err)
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}
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ts.runProviders(context.Background(), providersFromConfig(scrapeConfig))
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verifyPresence(ts.tgroups, "dns/0/srv.name.one.example.org", false)
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verifyPresence(ts.tgroups, "dns/0/srv.name.two.example.org", true)
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}
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