131 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Go
		
	
	
	
| // Copyright 2019 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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| 
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| package remote
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| 
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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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| 
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| 	"github.com/prometheus/client_golang/prometheus"
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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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| 
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| func TestStorageLifecycle(t *testing.T) {
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| 	dir, err := ioutil.TempDir("", "TestStorageLifecycle")
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| 	testutil.Ok(t, err)
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| 	defer os.RemoveAll(dir)
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| 
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| 	s := NewStorage(nil, prometheus.DefaultRegisterer, 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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| 		RemoteReadConfigs: []*config.RemoteReadConfig{
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| 			&config.DefaultRemoteReadConfig,
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| 		},
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| 	}
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| 	s.ApplyConfig(conf)
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| 
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| 	// make sure remote write has a queue.
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| 	testutil.Equals(t, 1, len(s.queues))
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| 
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| 	// make sure remote write has a queue.
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| 	testutil.Equals(t, 1, len(s.queryables))
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| 
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| 	err = s.Close()
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| 	testutil.Ok(t, err)
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| }
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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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| 
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| 	s := NewStorage(nil, prometheus.DefaultRegisterer, nil, dir, defaultFlushDeadline)
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| 
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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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| 
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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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| 
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| 	err = s.Close()
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| 	testutil.Ok(t, err)
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| }
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| 
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| func TestUpdateRemoteReadConfigs(t *testing.T) {
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| 	dir, err := ioutil.TempDir("", "TestUpdateRemoteReadConfigs")
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| 	testutil.Ok(t, err)
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| 	defer os.RemoveAll(dir)
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| 
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| 	s := NewStorage(nil, prometheus.DefaultRegisterer, nil, dir, defaultFlushDeadline)
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| 
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| 	conf := &config.Config{
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| 		GlobalConfig: config.GlobalConfig{},
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| 	}
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| 	s.ApplyConfig(conf)
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| 	testutil.Equals(t, 0, len(s.queryables))
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| 
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| 	conf.RemoteReadConfigs = []*config.RemoteReadConfig{
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| 		&config.DefaultRemoteReadConfig,
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| 	}
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| 	s.ApplyConfig(conf)
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| 	testutil.Equals(t, 1, len(s.queryables))
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| 
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| 	err = s.Close()
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| 	testutil.Ok(t, err)
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| }
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| 
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| func TestUpdateRemoteWriteConfigsNoop(t *testing.T) {
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| 	dir, err := ioutil.TempDir("", "TestUpdateRemoteWriteConfigsNoop")
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| 	testutil.Ok(t, err)
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| 	defer os.RemoveAll(dir)
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| 
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| 	s := NewStorage(nil, prometheus.DefaultRegisterer, nil, dir, defaultFlushDeadline)
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| 
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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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| 
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| 	conf.RemoteReadConfigs = []*config.RemoteReadConfig{
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| 		&config.DefaultRemoteReadConfig,
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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.Assert(t, queue == s.queues[0], "Queue pointer should have remained the same")
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| 
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| 	err = s.Close()
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| 	testutil.Ok(t, err)
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| }
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