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a38a54fa11
This allows other processes to reuse just the remote write code without having to use the remote read code as well. This will be used to create a sidecar capable of sending remote write payloads. Signed-off-by: Chris Marchbanks <csmarchbanks@gmail.com>
96 lines
2.6 KiB
Go
96 lines
2.6 KiB
Go
// Copyright 2017 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 remote
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import (
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"io/ioutil"
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"os"
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"testing"
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"github.com/prometheus/prometheus/config"
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"github.com/prometheus/prometheus/pkg/labels"
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"github.com/prometheus/prometheus/util/testutil"
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)
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func TestWriteStorageLifecycle(t *testing.T) {
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dir, err := ioutil.TempDir("", "TestWriteStorageLifecycle")
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testutil.Ok(t, err)
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defer os.RemoveAll(dir)
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s := NewWriteStorage(nil, dir, defaultFlushDeadline)
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conf := &config.Config{
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GlobalConfig: config.DefaultGlobalConfig,
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RemoteWriteConfigs: []*config.RemoteWriteConfig{
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&config.DefaultRemoteWriteConfig,
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},
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}
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s.ApplyConfig(conf)
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testutil.Equals(t, 1, len(s.queues))
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err = s.Close()
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testutil.Ok(t, err)
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}
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func TestUpdateExternalLabels(t *testing.T) {
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dir, err := ioutil.TempDir("", "TestUpdateExternalLabels")
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testutil.Ok(t, err)
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defer os.RemoveAll(dir)
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s := NewWriteStorage(nil, dir, defaultFlushDeadline)
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externalLabels := labels.FromStrings("external", "true")
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conf := &config.Config{
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GlobalConfig: config.GlobalConfig{},
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RemoteWriteConfigs: []*config.RemoteWriteConfig{
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&config.DefaultRemoteWriteConfig,
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},
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}
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s.ApplyConfig(conf)
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testutil.Equals(t, 1, len(s.queues))
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testutil.Equals(t, labels.Labels(nil), s.queues[0].externalLabels)
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conf.GlobalConfig.ExternalLabels = externalLabels
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s.ApplyConfig(conf)
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testutil.Equals(t, 1, len(s.queues))
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testutil.Equals(t, externalLabels, s.queues[0].externalLabels)
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err = s.Close()
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testutil.Ok(t, err)
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}
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func TestWriteStorageApplyConfigsIdempotent(t *testing.T) {
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dir, err := ioutil.TempDir("", "TestWriteStorageApplyConfigsIdempotent")
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testutil.Ok(t, err)
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defer os.RemoveAll(dir)
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s := NewWriteStorage(nil, dir, defaultFlushDeadline)
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conf := &config.Config{
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GlobalConfig: config.GlobalConfig{},
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RemoteWriteConfigs: []*config.RemoteWriteConfig{
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&config.DefaultRemoteWriteConfig,
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},
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}
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s.ApplyConfig(conf)
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testutil.Equals(t, 1, len(s.queues))
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queue := s.queues[0]
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s.ApplyConfig(conf)
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testutil.Equals(t, 1, len(s.queues))
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testutil.Assert(t, queue == s.queues[0], "Queue pointer should have remained the same")
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err = s.Close()
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testutil.Ok(t, err)
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}
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