prometheus/storage/remote/storage_test.go

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// Copyright 2019 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package remote
import (
"io/ioutil"
"net/url"
"os"
"testing"
"github.com/prometheus/client_golang/prometheus"
common_config "github.com/prometheus/common/config"
"github.com/prometheus/prometheus/config"
"github.com/prometheus/prometheus/util/testutil"
)
func TestStorageLifecycle(t *testing.T) {
dir, err := ioutil.TempDir("", "TestStorageLifecycle")
testutil.Ok(t, err)
defer os.RemoveAll(dir)
s := NewStorage(nil, prometheus.DefaultRegisterer, nil, dir, defaultFlushDeadline)
conf := &config.Config{
GlobalConfig: config.DefaultGlobalConfig,
RemoteWriteConfigs: []*config.RemoteWriteConfig{
&config.DefaultRemoteWriteConfig,
},
RemoteReadConfigs: []*config.RemoteReadConfig{
&config.DefaultRemoteReadConfig,
},
}
// We need to set URL's so that metric creation doesn't panic.
conf.RemoteWriteConfigs[0].URL = &common_config.URL{
URL: &url.URL{
Host: "http://test-storage.com",
},
}
conf.RemoteReadConfigs[0].URL = &common_config.URL{
URL: &url.URL{
Host: "http://test-storage.com",
},
}
s.ApplyConfig(conf)
// make sure remote write has a queue.
testutil.Equals(t, 1, len(s.rws.queues))
// make sure remote write has a queue.
testutil.Equals(t, 1, len(s.queryables))
err = s.Close()
testutil.Ok(t, err)
}
func TestUpdateRemoteReadConfigs(t *testing.T) {
dir, err := ioutil.TempDir("", "TestUpdateRemoteReadConfigs")
testutil.Ok(t, err)
defer os.RemoveAll(dir)
s := NewStorage(nil, prometheus.DefaultRegisterer, nil, dir, defaultFlushDeadline)
conf := &config.Config{
GlobalConfig: config.GlobalConfig{},
}
s.ApplyConfig(conf)
testutil.Equals(t, 0, len(s.queryables))
conf.RemoteReadConfigs = []*config.RemoteReadConfig{
&config.DefaultRemoteReadConfig,
}
s.ApplyConfig(conf)
testutil.Equals(t, 1, len(s.queryables))
err = s.Close()
testutil.Ok(t, err)
}