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af513468eb
I applied https://medium.com/@jgautheron/quality-pipeline-for-go-projects-497e34d6567 and was greeted with a deluge of warnings, most of which were not applicable or really fixable realistically. These are some of the first ones I decided to fix.
66 lines
2.2 KiB
Go
66 lines
2.2 KiB
Go
// Copyright 2014 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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// NOTE ON FILENAME: Do not rename this file helpers_test.go (which might appear
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// an obvious choice). We need NewTestStorage in tests outside of the local
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// package, too. On the other hand, moving NewTestStorage in its own package
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// would cause circular dependencies in the tests in packages local.
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package local
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import (
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"time"
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"github.com/prometheus/prometheus/util/testutil"
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)
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type testStorageCloser struct {
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storage Storage
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directory testutil.Closer
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}
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func (t *testStorageCloser) Close() {
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if err := t.storage.Stop(); err != nil {
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panic(err)
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}
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t.directory.Close()
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}
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// NewTestStorage creates a storage instance backed by files in a temporary
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// directory. The returned storage is already in serving state. Upon closing the
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// returned test.Closer, the temporary directory is cleaned up.
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func NewTestStorage(t testutil.T, encoding chunkEncoding) (*memorySeriesStorage, testutil.Closer) {
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DefaultChunkEncoding = encoding
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directory := testutil.NewTemporaryDirectory("test_storage", t)
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o := &MemorySeriesStorageOptions{
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MemoryChunks: 1000000,
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MaxChunksToPersist: 1000000,
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PersistenceRetentionPeriod: 24 * time.Hour * 365 * 100, // Enough to never trigger purging.
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PersistenceStoragePath: directory.Path(),
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CheckpointInterval: time.Hour,
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SyncStrategy: Adaptive,
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}
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storage := NewMemorySeriesStorage(o)
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if err := storage.Start(); err != nil {
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directory.Close()
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t.Fatalf("Error creating storage: %s", err)
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}
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closer := &testStorageCloser{
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storage: storage,
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directory: directory,
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}
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return storage.(*memorySeriesStorage), closer
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}
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