129 lines
3.5 KiB
Go
129 lines
3.5 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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// +build !integration
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package state_statefulset
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import (
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/elastic/beats/libbeat/common"
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mbtest "github.com/elastic/beats/metricbeat/mb/testing"
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)
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const testFile = "../_meta/test/kube-state-metrics"
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func TestEventMapping(t *testing.T) {
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file, err := os.Open(testFile)
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assert.NoError(t, err, "cannot open test file "+testFile)
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body, err := ioutil.ReadAll(file)
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assert.NoError(t, err, "cannot read test file "+testFile)
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server := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(200)
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w.Header().Set("Content-Type", "text/plain; charset=ISO-8859-1")
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w.Write([]byte(body))
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}))
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server.Start()
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defer server.Close()
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config := map[string]interface{}{
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"module": "kubernetes",
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"metricsets": []string{"state_statefulset"},
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"hosts": []string{server.URL},
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}
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f := mbtest.NewEventsFetcher(t, config)
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events, err := f.Fetch()
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assert.NoError(t, err)
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assert.Equal(t, 3, len(events), "Wrong number of returned events")
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testCases := testCases()
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for _, event := range events {
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name, err := event.GetValue("name")
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if err == nil {
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namespace, err := event.GetValue("_module.namespace")
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if err == nil {
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eventKey := namespace.(string) + "@" + name.(string)
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oneTestCase, oneTestCaseFound := testCases[eventKey]
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if oneTestCaseFound {
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for k, v := range oneTestCase {
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testValue(t, event, k, v)
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}
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delete(testCases, eventKey)
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}
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}
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}
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}
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if len(testCases) > 0 {
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t.Errorf("Test reference events not found: %v", testCases)
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}
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}
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func testValue(t *testing.T, event common.MapStr, field string, expected interface{}) {
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data, err := event.GetValue(field)
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assert.NoError(t, err, "Could not read field "+field)
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assert.EqualValues(t, expected, data, "Wrong value for field "+field)
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}
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func testCases() map[string]map[string]interface{} {
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return map[string]map[string]interface{}{
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"default@elasticsearch": {
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"_module.namespace": "default",
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"name": "elasticsearch",
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"created": 1511973651,
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"replicas.observed": 1,
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"replicas.desired": 4,
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"generation.observed": 1,
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"generation.desired": 3,
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},
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"default@mysql": {
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"_module.namespace": "default",
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"name": "mysql",
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"created": 1511989697,
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"replicas.observed": 2,
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"replicas.desired": 5,
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"generation.observed": 2,
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"generation.desired": 4,
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},
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"custom@mysql": {
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"_module.namespace": "custom",
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"name": "mysql",
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"created": 1511999697,
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"replicas.observed": 3,
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"replicas.desired": 6,
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"generation.observed": 3,
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"generation.desired": 5,
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},
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}
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}
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