forked from mirror/client_golang
1541 lines
37 KiB
Go
1541 lines
37 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 v1
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import (
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"context"
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"errors"
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"fmt"
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"io/ioutil"
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"math"
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"net/http"
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"net/http/httptest"
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"net/url"
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"reflect"
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"strings"
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"testing"
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"time"
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json "github.com/json-iterator/go"
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"github.com/prometheus/common/model"
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)
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type apiTest struct {
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do func() (interface{}, Warnings, error)
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inWarnings []string
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inErr error
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inStatusCode int
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inRes interface{}
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reqPath string
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reqParam url.Values
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reqMethod string
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res interface{}
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warnings Warnings
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err error
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}
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type apiTestClient struct {
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*testing.T
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curTest apiTest
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}
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func (c *apiTestClient) URL(ep string, args map[string]string) *url.URL {
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path := ep
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for k, v := range args {
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path = strings.Replace(path, ":"+k, v, -1)
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}
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u := &url.URL{
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Host: "test:9090",
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Path: path,
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}
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return u
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}
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func (c *apiTestClient) Do(ctx context.Context, req *http.Request) (*http.Response, []byte, Warnings, error) {
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test := c.curTest
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if req.URL.Path != test.reqPath {
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c.Errorf("unexpected request path: want %s, got %s", test.reqPath, req.URL.Path)
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}
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if req.Method != test.reqMethod {
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c.Errorf("unexpected request method: want %s, got %s", test.reqMethod, req.Method)
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}
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b, err := json.Marshal(test.inRes)
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if err != nil {
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c.Fatal(err)
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}
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resp := &http.Response{}
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if test.inStatusCode != 0 {
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resp.StatusCode = test.inStatusCode
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} else if test.inErr != nil {
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resp.StatusCode = http.StatusUnprocessableEntity
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} else {
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resp.StatusCode = http.StatusOK
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}
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return resp, b, test.inWarnings, test.inErr
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}
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func (c *apiTestClient) DoGetFallback(ctx context.Context, u *url.URL, args url.Values) (*http.Response, []byte, Warnings, error) {
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req, err := http.NewRequest(http.MethodPost, u.String(), strings.NewReader(args.Encode()))
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if err != nil {
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return nil, nil, nil, err
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}
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return c.Do(ctx, req)
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}
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func TestAPIs(t *testing.T) {
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testTime := time.Now()
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tc := &apiTestClient{
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T: t,
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}
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promAPI := &httpAPI{
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client: tc,
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}
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doAlertManagers := func() func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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v, err := promAPI.AlertManagers(context.Background())
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return v, nil, err
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}
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}
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doCleanTombstones := func() func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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return nil, nil, promAPI.CleanTombstones(context.Background())
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}
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}
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doConfig := func() func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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v, err := promAPI.Config(context.Background())
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return v, nil, err
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}
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}
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doDeleteSeries := func(matcher string, startTime time.Time, endTime time.Time) func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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return nil, nil, promAPI.DeleteSeries(context.Background(), []string{matcher}, startTime, endTime)
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}
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}
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doFlags := func() func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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v, err := promAPI.Flags(context.Background())
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return v, nil, err
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}
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}
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doRuntimeinfo := func() func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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v, err := promAPI.Runtimeinfo(context.Background())
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return v, nil, err
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}
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}
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doLabelNames := func(matches []string) func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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return promAPI.LabelNames(context.Background(), matches, time.Now().Add(-100*time.Hour), time.Now())
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}
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}
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doLabelValues := func(matches []string, label string) func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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return promAPI.LabelValues(context.Background(), label, matches, time.Now().Add(-100*time.Hour), time.Now())
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}
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}
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doQuery := func(q string, ts time.Time) func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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return promAPI.Query(context.Background(), q, ts)
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}
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}
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doQueryRange := func(q string, rng Range) func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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return promAPI.QueryRange(context.Background(), q, rng)
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}
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}
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doSeries := func(matcher string, startTime time.Time, endTime time.Time) func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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return promAPI.Series(context.Background(), []string{matcher}, startTime, endTime)
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}
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}
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doSnapshot := func(skipHead bool) func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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v, err := promAPI.Snapshot(context.Background(), skipHead)
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return v, nil, err
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}
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}
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doRules := func() func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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v, err := promAPI.Rules(context.Background())
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return v, nil, err
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}
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}
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doTargets := func() func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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v, err := promAPI.Targets(context.Background())
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return v, nil, err
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}
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}
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doTargetsMetadata := func(matchTarget string, metric string, limit string) func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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v, err := promAPI.TargetsMetadata(context.Background(), matchTarget, metric, limit)
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return v, nil, err
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}
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}
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doMetadata := func(metric string, limit string) func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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v, err := promAPI.Metadata(context.Background(), metric, limit)
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return v, nil, err
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}
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}
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doTSDB := func() func() (interface{}, Warnings, error) {
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return func() (interface{}, Warnings, error) {
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v, err := promAPI.TSDB(context.Background())
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return v, nil, err
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}
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}
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queryTests := []apiTest{
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{
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do: doQuery("2", testTime),
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inRes: &queryResult{
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Type: model.ValScalar,
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Result: &model.Scalar{
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Value: 2,
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Timestamp: model.TimeFromUnix(testTime.Unix()),
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},
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},
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reqMethod: "POST",
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reqPath: "/api/v1/query",
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reqParam: url.Values{
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"query": []string{"2"},
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"time": []string{testTime.Format(time.RFC3339Nano)},
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},
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res: &model.Scalar{
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Value: 2,
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Timestamp: model.TimeFromUnix(testTime.Unix()),
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},
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},
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{
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do: doQuery("2", testTime),
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inErr: fmt.Errorf("some error"),
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reqMethod: "POST",
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reqPath: "/api/v1/query",
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reqParam: url.Values{
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"query": []string{"2"},
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"time": []string{testTime.Format(time.RFC3339Nano)},
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},
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err: fmt.Errorf("some error"),
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},
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{
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do: doQuery("2", testTime),
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inRes: "some body",
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inStatusCode: 500,
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inErr: &Error{
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Type: ErrServer,
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Msg: "server error: 500",
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Detail: "some body",
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},
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reqMethod: "POST",
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reqPath: "/api/v1/query",
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reqParam: url.Values{
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"query": []string{"2"},
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"time": []string{testTime.Format(time.RFC3339Nano)},
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},
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err: errors.New("server_error: server error: 500"),
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},
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{
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do: doQuery("2", testTime),
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inRes: "some body",
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inStatusCode: 404,
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inErr: &Error{
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Type: ErrClient,
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Msg: "client error: 404",
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Detail: "some body",
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},
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reqMethod: "POST",
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reqPath: "/api/v1/query",
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reqParam: url.Values{
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"query": []string{"2"},
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"time": []string{testTime.Format(time.RFC3339Nano)},
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},
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err: errors.New("client_error: client error: 404"),
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},
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// Warning only.
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{
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do: doQuery("2", testTime),
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inWarnings: []string{"warning"},
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inRes: &queryResult{
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Type: model.ValScalar,
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Result: &model.Scalar{
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Value: 2,
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Timestamp: model.TimeFromUnix(testTime.Unix()),
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},
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},
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reqMethod: "POST",
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reqPath: "/api/v1/query",
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reqParam: url.Values{
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"query": []string{"2"},
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"time": []string{testTime.Format(time.RFC3339Nano)},
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},
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res: &model.Scalar{
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Value: 2,
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Timestamp: model.TimeFromUnix(testTime.Unix()),
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},
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warnings: []string{"warning"},
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},
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// Warning + error.
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{
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do: doQuery("2", testTime),
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inWarnings: []string{"warning"},
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inRes: "some body",
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inStatusCode: 404,
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inErr: &Error{
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Type: ErrClient,
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Msg: "client error: 404",
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Detail: "some body",
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},
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reqMethod: "POST",
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reqPath: "/api/v1/query",
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reqParam: url.Values{
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"query": []string{"2"},
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"time": []string{testTime.Format(time.RFC3339Nano)},
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},
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err: errors.New("client_error: client error: 404"),
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warnings: []string{"warning"},
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},
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{
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do: doQueryRange("2", Range{
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Start: testTime.Add(-time.Minute),
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End: testTime,
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Step: time.Minute,
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}),
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inErr: fmt.Errorf("some error"),
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reqMethod: "POST",
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reqPath: "/api/v1/query_range",
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reqParam: url.Values{
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"query": []string{"2"},
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"start": []string{testTime.Add(-time.Minute).Format(time.RFC3339Nano)},
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"end": []string{testTime.Format(time.RFC3339Nano)},
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"step": []string{time.Minute.String()},
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},
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err: fmt.Errorf("some error"),
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},
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{
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do: doLabelNames(nil),
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inRes: []string{"val1", "val2"},
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reqMethod: "GET",
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reqPath: "/api/v1/labels",
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res: []string{"val1", "val2"},
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},
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{
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do: doLabelNames(nil),
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inRes: []string{"val1", "val2"},
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inWarnings: []string{"a"},
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reqMethod: "GET",
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reqPath: "/api/v1/labels",
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res: []string{"val1", "val2"},
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warnings: []string{"a"},
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},
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{
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do: doLabelNames(nil),
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inErr: fmt.Errorf("some error"),
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reqMethod: "GET",
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reqPath: "/api/v1/labels",
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err: fmt.Errorf("some error"),
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},
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{
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do: doLabelNames(nil),
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inErr: fmt.Errorf("some error"),
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inWarnings: []string{"a"},
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reqMethod: "GET",
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reqPath: "/api/v1/labels",
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err: fmt.Errorf("some error"),
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warnings: []string{"a"},
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},
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{
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do: doLabelNames([]string{"up"}),
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inRes: []string{"val1", "val2"},
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reqMethod: "GET",
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reqPath: "/api/v1/labels",
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reqParam: url.Values{"match[]": {"up"}},
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res: []string{"val1", "val2"},
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},
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{
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do: doLabelValues(nil, "mylabel"),
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inRes: []string{"val1", "val2"},
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reqMethod: "GET",
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reqPath: "/api/v1/label/mylabel/values",
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res: model.LabelValues{"val1", "val2"},
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},
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{
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do: doLabelValues(nil, "mylabel"),
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inRes: []string{"val1", "val2"},
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inWarnings: []string{"a"},
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reqMethod: "GET",
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reqPath: "/api/v1/label/mylabel/values",
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res: model.LabelValues{"val1", "val2"},
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warnings: []string{"a"},
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},
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{
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do: doLabelValues(nil, "mylabel"),
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inErr: fmt.Errorf("some error"),
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reqMethod: "GET",
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reqPath: "/api/v1/label/mylabel/values",
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err: fmt.Errorf("some error"),
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},
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{
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do: doLabelValues(nil, "mylabel"),
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inErr: fmt.Errorf("some error"),
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inWarnings: []string{"a"},
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reqMethod: "GET",
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reqPath: "/api/v1/label/mylabel/values",
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err: fmt.Errorf("some error"),
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warnings: []string{"a"},
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},
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{
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do: doLabelValues([]string{"up"}, "mylabel"),
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inRes: []string{"val1", "val2"},
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reqMethod: "GET",
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reqPath: "/api/v1/label/mylabel/values",
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reqParam: url.Values{"match[]": {"up"}},
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res: model.LabelValues{"val1", "val2"},
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},
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{
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do: doSeries("up", testTime.Add(-time.Minute), testTime),
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inRes: []map[string]string{
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{
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"__name__": "up",
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"job": "prometheus",
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"instance": "localhost:9090"},
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},
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reqMethod: "GET",
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reqPath: "/api/v1/series",
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reqParam: url.Values{
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"match": []string{"up"},
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"start": []string{testTime.Add(-time.Minute).Format(time.RFC3339Nano)},
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"end": []string{testTime.Format(time.RFC3339Nano)},
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},
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res: []model.LabelSet{
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{
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"__name__": "up",
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"job": "prometheus",
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"instance": "localhost:9090",
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},
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},
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},
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// Series with data + warning.
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{
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do: doSeries("up", testTime.Add(-time.Minute), testTime),
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inRes: []map[string]string{
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{
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"__name__": "up",
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"job": "prometheus",
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"instance": "localhost:9090"},
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},
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inWarnings: []string{"a"},
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reqMethod: "GET",
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reqPath: "/api/v1/series",
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reqParam: url.Values{
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"match": []string{"up"},
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"start": []string{testTime.Add(-time.Minute).Format(time.RFC3339Nano)},
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"end": []string{testTime.Format(time.RFC3339Nano)},
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},
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res: []model.LabelSet{
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{
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"__name__": "up",
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"job": "prometheus",
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"instance": "localhost:9090",
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},
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},
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warnings: []string{"a"},
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},
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{
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do: doSeries("up", testTime.Add(-time.Minute), testTime),
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inErr: fmt.Errorf("some error"),
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reqMethod: "GET",
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reqPath: "/api/v1/series",
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reqParam: url.Values{
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"match": []string{"up"},
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"start": []string{testTime.Add(-time.Minute).Format(time.RFC3339Nano)},
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"end": []string{testTime.Format(time.RFC3339Nano)},
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},
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err: fmt.Errorf("some error"),
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},
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// Series with error and warning.
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{
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do: doSeries("up", testTime.Add(-time.Minute), testTime),
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inErr: fmt.Errorf("some error"),
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inWarnings: []string{"a"},
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reqMethod: "GET",
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reqPath: "/api/v1/series",
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reqParam: url.Values{
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"match": []string{"up"},
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"start": []string{testTime.Add(-time.Minute).Format(time.RFC3339Nano)},
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"end": []string{testTime.Format(time.RFC3339Nano)},
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},
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err: fmt.Errorf("some error"),
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warnings: []string{"a"},
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},
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{
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do: doSnapshot(true),
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inRes: map[string]string{
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"name": "20171210T211224Z-2be650b6d019eb54",
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},
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reqMethod: "POST",
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reqPath: "/api/v1/admin/tsdb/snapshot",
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reqParam: url.Values{
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"skip_head": []string{"true"},
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},
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res: SnapshotResult{
|
|
Name: "20171210T211224Z-2be650b6d019eb54",
|
|
},
|
|
},
|
|
|
|
{
|
|
do: doSnapshot(true),
|
|
inErr: fmt.Errorf("some error"),
|
|
reqMethod: "POST",
|
|
reqPath: "/api/v1/admin/tsdb/snapshot",
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doCleanTombstones(),
|
|
reqMethod: "POST",
|
|
reqPath: "/api/v1/admin/tsdb/clean_tombstones",
|
|
},
|
|
|
|
{
|
|
do: doCleanTombstones(),
|
|
inErr: fmt.Errorf("some error"),
|
|
reqMethod: "POST",
|
|
reqPath: "/api/v1/admin/tsdb/clean_tombstones",
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doDeleteSeries("up", testTime.Add(-time.Minute), testTime),
|
|
inRes: []map[string]string{
|
|
{
|
|
"__name__": "up",
|
|
"job": "prometheus",
|
|
"instance": "localhost:9090"},
|
|
},
|
|
reqMethod: "POST",
|
|
reqPath: "/api/v1/admin/tsdb/delete_series",
|
|
reqParam: url.Values{
|
|
"match": []string{"up"},
|
|
"start": []string{testTime.Add(-time.Minute).Format(time.RFC3339Nano)},
|
|
"end": []string{testTime.Format(time.RFC3339Nano)},
|
|
},
|
|
},
|
|
|
|
{
|
|
do: doDeleteSeries("up", testTime.Add(-time.Minute), testTime),
|
|
inErr: fmt.Errorf("some error"),
|
|
reqMethod: "POST",
|
|
reqPath: "/api/v1/admin/tsdb/delete_series",
|
|
reqParam: url.Values{
|
|
"match": []string{"up"},
|
|
"start": []string{testTime.Add(-time.Minute).Format(time.RFC3339Nano)},
|
|
"end": []string{testTime.Format(time.RFC3339Nano)},
|
|
},
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doConfig(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/status/config",
|
|
inRes: map[string]string{
|
|
"yaml": "<content of the loaded config file in YAML>",
|
|
},
|
|
res: ConfigResult{
|
|
YAML: "<content of the loaded config file in YAML>",
|
|
},
|
|
},
|
|
|
|
{
|
|
do: doConfig(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/status/config",
|
|
inErr: fmt.Errorf("some error"),
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doFlags(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/status/flags",
|
|
inRes: map[string]string{
|
|
"alertmanager.notification-queue-capacity": "10000",
|
|
"alertmanager.timeout": "10s",
|
|
"log.level": "info",
|
|
"query.lookback-delta": "5m",
|
|
"query.max-concurrency": "20",
|
|
},
|
|
res: FlagsResult{
|
|
"alertmanager.notification-queue-capacity": "10000",
|
|
"alertmanager.timeout": "10s",
|
|
"log.level": "info",
|
|
"query.lookback-delta": "5m",
|
|
"query.max-concurrency": "20",
|
|
},
|
|
},
|
|
|
|
{
|
|
do: doFlags(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/status/flags",
|
|
inErr: fmt.Errorf("some error"),
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doRuntimeinfo(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/status/runtimeinfo",
|
|
inErr: fmt.Errorf("some error"),
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doRuntimeinfo(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/status/runtimeinfo",
|
|
inRes: map[string]interface{}{
|
|
"startTime": "2020-05-18T15:52:53.4503113Z",
|
|
"CWD": "/prometheus",
|
|
"reloadConfigSuccess": true,
|
|
"lastConfigTime": "2020-05-18T15:52:56Z",
|
|
"chunkCount": 72692,
|
|
"timeSeriesCount": 18476,
|
|
"corruptionCount": 0,
|
|
"goroutineCount": 217,
|
|
"GOMAXPROCS": 2,
|
|
"GOGC": "100",
|
|
"GODEBUG": "allocfreetrace",
|
|
"storageRetention": "1d",
|
|
},
|
|
res: RuntimeinfoResult{
|
|
StartTime: time.Date(2020, 5, 18, 15, 52, 53, 450311300, time.UTC),
|
|
CWD: "/prometheus",
|
|
ReloadConfigSuccess: true,
|
|
LastConfigTime: time.Date(2020, 5, 18, 15, 52, 56, 0, time.UTC),
|
|
ChunkCount: 72692,
|
|
TimeSeriesCount: 18476,
|
|
CorruptionCount: 0,
|
|
GoroutineCount: 217,
|
|
GOMAXPROCS: 2,
|
|
GOGC: "100",
|
|
GODEBUG: "allocfreetrace",
|
|
StorageRetention: "1d",
|
|
},
|
|
},
|
|
|
|
{
|
|
do: doAlertManagers(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/alertmanagers",
|
|
inRes: map[string]interface{}{
|
|
"activeAlertManagers": []map[string]string{
|
|
{
|
|
"url": "http://127.0.0.1:9091/api/v1/alerts",
|
|
},
|
|
},
|
|
"droppedAlertManagers": []map[string]string{
|
|
{
|
|
"url": "http://127.0.0.1:9092/api/v1/alerts",
|
|
},
|
|
},
|
|
},
|
|
res: AlertManagersResult{
|
|
Active: []AlertManager{
|
|
{
|
|
URL: "http://127.0.0.1:9091/api/v1/alerts",
|
|
},
|
|
},
|
|
Dropped: []AlertManager{
|
|
{
|
|
URL: "http://127.0.0.1:9092/api/v1/alerts",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
{
|
|
do: doAlertManagers(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/alertmanagers",
|
|
inErr: fmt.Errorf("some error"),
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doRules(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/rules",
|
|
inRes: map[string]interface{}{
|
|
"groups": []map[string]interface{}{
|
|
{
|
|
"file": "/rules.yaml",
|
|
"interval": 60,
|
|
"name": "example",
|
|
"rules": []map[string]interface{}{
|
|
{
|
|
"alerts": []map[string]interface{}{
|
|
{
|
|
"activeAt": testTime.UTC().Format(time.RFC3339Nano),
|
|
"annotations": map[string]interface{}{
|
|
"summary": "High request latency",
|
|
},
|
|
"labels": map[string]interface{}{
|
|
"alertname": "HighRequestLatency",
|
|
"severity": "page",
|
|
},
|
|
"state": "firing",
|
|
"value": "1e+00",
|
|
},
|
|
},
|
|
"annotations": map[string]interface{}{
|
|
"summary": "High request latency",
|
|
},
|
|
"duration": 600,
|
|
"health": "ok",
|
|
"labels": map[string]interface{}{
|
|
"severity": "page",
|
|
},
|
|
"name": "HighRequestLatency",
|
|
"query": "job:request_latency_seconds:mean5m{job=\"myjob\"} > 0.5",
|
|
"type": "alerting",
|
|
},
|
|
{
|
|
"health": "ok",
|
|
"name": "job:http_inprogress_requests:sum",
|
|
"query": "sum(http_inprogress_requests) by (job)",
|
|
"type": "recording",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
res: RulesResult{
|
|
Groups: []RuleGroup{
|
|
{
|
|
Name: "example",
|
|
File: "/rules.yaml",
|
|
Interval: 60,
|
|
Rules: []interface{}{
|
|
AlertingRule{
|
|
Alerts: []*Alert{
|
|
{
|
|
ActiveAt: testTime.UTC(),
|
|
Annotations: model.LabelSet{
|
|
"summary": "High request latency",
|
|
},
|
|
Labels: model.LabelSet{
|
|
"alertname": "HighRequestLatency",
|
|
"severity": "page",
|
|
},
|
|
State: AlertStateFiring,
|
|
Value: "1e+00",
|
|
},
|
|
},
|
|
Annotations: model.LabelSet{
|
|
"summary": "High request latency",
|
|
},
|
|
Labels: model.LabelSet{
|
|
"severity": "page",
|
|
},
|
|
Duration: 600,
|
|
Health: RuleHealthGood,
|
|
Name: "HighRequestLatency",
|
|
Query: "job:request_latency_seconds:mean5m{job=\"myjob\"} > 0.5",
|
|
LastError: "",
|
|
},
|
|
RecordingRule{
|
|
Health: RuleHealthGood,
|
|
Name: "job:http_inprogress_requests:sum",
|
|
Query: "sum(http_inprogress_requests) by (job)",
|
|
LastError: "",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
{
|
|
do: doRules(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/rules",
|
|
inErr: fmt.Errorf("some error"),
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doTargets(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/targets",
|
|
inRes: map[string]interface{}{
|
|
"activeTargets": []map[string]interface{}{
|
|
{
|
|
"discoveredLabels": map[string]string{
|
|
"__address__": "127.0.0.1:9090",
|
|
"__metrics_path__": "/metrics",
|
|
"__scheme__": "http",
|
|
"job": "prometheus",
|
|
},
|
|
"labels": map[string]string{
|
|
"instance": "127.0.0.1:9090",
|
|
"job": "prometheus",
|
|
},
|
|
"scrapeUrl": "http://127.0.0.1:9090",
|
|
"lastError": "error while scraping target",
|
|
"lastScrape": testTime.UTC().Format(time.RFC3339Nano),
|
|
"health": "up",
|
|
},
|
|
},
|
|
"droppedTargets": []map[string]interface{}{
|
|
{
|
|
"discoveredLabels": map[string]string{
|
|
"__address__": "127.0.0.1:9100",
|
|
"__metrics_path__": "/metrics",
|
|
"__scheme__": "http",
|
|
"job": "node",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
res: TargetsResult{
|
|
Active: []ActiveTarget{
|
|
{
|
|
DiscoveredLabels: map[string]string{
|
|
"__address__": "127.0.0.1:9090",
|
|
"__metrics_path__": "/metrics",
|
|
"__scheme__": "http",
|
|
"job": "prometheus",
|
|
},
|
|
Labels: model.LabelSet{
|
|
"instance": "127.0.0.1:9090",
|
|
"job": "prometheus",
|
|
},
|
|
ScrapeURL: "http://127.0.0.1:9090",
|
|
LastError: "error while scraping target",
|
|
LastScrape: testTime.UTC(),
|
|
Health: HealthGood,
|
|
},
|
|
},
|
|
Dropped: []DroppedTarget{
|
|
{
|
|
DiscoveredLabels: map[string]string{
|
|
"__address__": "127.0.0.1:9100",
|
|
"__metrics_path__": "/metrics",
|
|
"__scheme__": "http",
|
|
"job": "node",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
{
|
|
do: doTargets(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/targets",
|
|
inErr: fmt.Errorf("some error"),
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doTargetsMetadata("{job=\"prometheus\"}", "go_goroutines", "1"),
|
|
inRes: []map[string]interface{}{
|
|
{
|
|
"target": map[string]interface{}{
|
|
"instance": "127.0.0.1:9090",
|
|
"job": "prometheus",
|
|
},
|
|
"type": "gauge",
|
|
"help": "Number of goroutines that currently exist.",
|
|
"unit": "",
|
|
},
|
|
},
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/targets/metadata",
|
|
reqParam: url.Values{
|
|
"match_target": []string{"{job=\"prometheus\"}"},
|
|
"metric": []string{"go_goroutines"},
|
|
"limit": []string{"1"},
|
|
},
|
|
res: []MetricMetadata{
|
|
{
|
|
Target: map[string]string{
|
|
"instance": "127.0.0.1:9090",
|
|
"job": "prometheus",
|
|
},
|
|
Type: "gauge",
|
|
Help: "Number of goroutines that currently exist.",
|
|
Unit: "",
|
|
},
|
|
},
|
|
},
|
|
|
|
{
|
|
do: doTargetsMetadata("{job=\"prometheus\"}", "go_goroutines", "1"),
|
|
inErr: fmt.Errorf("some error"),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/targets/metadata",
|
|
reqParam: url.Values{
|
|
"match_target": []string{"{job=\"prometheus\"}"},
|
|
"metric": []string{"go_goroutines"},
|
|
"limit": []string{"1"},
|
|
},
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doMetadata("go_goroutines", "1"),
|
|
inRes: map[string]interface{}{
|
|
"go_goroutines": []map[string]interface{}{
|
|
{
|
|
"type": "gauge",
|
|
"help": "Number of goroutines that currently exist.",
|
|
"unit": "",
|
|
},
|
|
},
|
|
},
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/metadata",
|
|
reqParam: url.Values{
|
|
"metric": []string{"go_goroutines"},
|
|
"limit": []string{"1"},
|
|
},
|
|
res: map[string][]Metadata{
|
|
"go_goroutines": []Metadata{
|
|
{
|
|
Type: "gauge",
|
|
Help: "Number of goroutines that currently exist.",
|
|
Unit: "",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
{
|
|
do: doMetadata("", "1"),
|
|
inErr: fmt.Errorf("some error"),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/metadata",
|
|
reqParam: url.Values{
|
|
"metric": []string{""},
|
|
"limit": []string{"1"},
|
|
},
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doTSDB(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/status/tsdb",
|
|
inErr: fmt.Errorf("some error"),
|
|
err: fmt.Errorf("some error"),
|
|
},
|
|
|
|
{
|
|
do: doTSDB(),
|
|
reqMethod: "GET",
|
|
reqPath: "/api/v1/status/tsdb",
|
|
inRes: map[string]interface{}{
|
|
"seriesCountByMetricName": []interface{}{
|
|
map[string]interface{}{
|
|
"name": "kubelet_http_requests_duration_seconds_bucket",
|
|
"value": 1000,
|
|
},
|
|
},
|
|
"labelValueCountByLabelName": []interface{}{
|
|
map[string]interface{}{
|
|
"name": "__name__",
|
|
"value": 200,
|
|
},
|
|
},
|
|
"memoryInBytesByLabelName": []interface{}{
|
|
map[string]interface{}{
|
|
"name": "id",
|
|
"value": 4096,
|
|
},
|
|
},
|
|
"seriesCountByLabelValuePair": []interface{}{
|
|
map[string]interface{}{
|
|
"name": "job=kubelet",
|
|
"value": 30000,
|
|
},
|
|
},
|
|
},
|
|
res: TSDBResult{
|
|
SeriesCountByMetricName: []Stat{
|
|
{
|
|
Name: "kubelet_http_requests_duration_seconds_bucket",
|
|
Value: 1000,
|
|
},
|
|
},
|
|
LabelValueCountByLabelName: []Stat{
|
|
{
|
|
Name: "__name__",
|
|
Value: 200,
|
|
},
|
|
},
|
|
MemoryInBytesByLabelName: []Stat{
|
|
{
|
|
Name: "id",
|
|
Value: 4096,
|
|
},
|
|
},
|
|
SeriesCountByLabelValuePair: []Stat{
|
|
{
|
|
Name: "job=kubelet",
|
|
Value: 30000,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
var tests []apiTest
|
|
tests = append(tests, queryTests...)
|
|
|
|
for i, test := range tests {
|
|
t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
|
|
tc.curTest = test
|
|
|
|
res, warnings, err := test.do()
|
|
|
|
if (test.inWarnings == nil) != (warnings == nil) && !reflect.DeepEqual(test.inWarnings, warnings) {
|
|
t.Fatalf("mismatch in warnings expected=%v actual=%v", test.inWarnings, warnings)
|
|
}
|
|
|
|
if test.err != nil {
|
|
if err == nil {
|
|
t.Fatalf("expected error %q but got none", test.err)
|
|
}
|
|
if err.Error() != test.err.Error() {
|
|
t.Errorf("unexpected error: want %s, got %s", test.err, err)
|
|
}
|
|
if apiErr, ok := err.(*Error); ok {
|
|
if apiErr.Detail != test.inRes {
|
|
t.Errorf("%q should be %q", apiErr.Detail, test.inRes)
|
|
}
|
|
}
|
|
return
|
|
}
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %s", err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(res, test.res) {
|
|
t.Errorf("unexpected result: want %v, got %v", test.res, res)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
type testClient struct {
|
|
*testing.T
|
|
|
|
ch chan apiClientTest
|
|
req *http.Request
|
|
}
|
|
|
|
type apiClientTest struct {
|
|
code int
|
|
response interface{}
|
|
expectedBody string
|
|
expectedErr *Error
|
|
expectedWarnings Warnings
|
|
}
|
|
|
|
func (c *testClient) URL(ep string, args map[string]string) *url.URL {
|
|
return nil
|
|
}
|
|
|
|
func (c *testClient) Do(ctx context.Context, req *http.Request) (*http.Response, []byte, error) {
|
|
if ctx == nil {
|
|
c.Fatalf("context was not passed down")
|
|
}
|
|
if req != c.req {
|
|
c.Fatalf("request was not passed down")
|
|
}
|
|
|
|
test := <-c.ch
|
|
|
|
var b []byte
|
|
var err error
|
|
|
|
switch v := test.response.(type) {
|
|
case string:
|
|
b = []byte(v)
|
|
default:
|
|
b, err = json.Marshal(v)
|
|
if err != nil {
|
|
c.Fatal(err)
|
|
}
|
|
}
|
|
|
|
resp := &http.Response{
|
|
StatusCode: test.code,
|
|
}
|
|
|
|
return resp, b, nil
|
|
}
|
|
|
|
func TestAPIClientDo(t *testing.T) {
|
|
tests := []apiClientTest{
|
|
{
|
|
code: http.StatusUnprocessableEntity,
|
|
response: &apiResponse{
|
|
Status: "error",
|
|
Data: json.RawMessage(`null`),
|
|
ErrorType: ErrBadData,
|
|
Error: "failed",
|
|
},
|
|
expectedErr: &Error{
|
|
Type: ErrBadData,
|
|
Msg: "failed",
|
|
},
|
|
expectedBody: `null`,
|
|
},
|
|
{
|
|
code: http.StatusUnprocessableEntity,
|
|
response: &apiResponse{
|
|
Status: "error",
|
|
Data: json.RawMessage(`"test"`),
|
|
ErrorType: ErrTimeout,
|
|
Error: "timed out",
|
|
},
|
|
expectedErr: &Error{
|
|
Type: ErrTimeout,
|
|
Msg: "timed out",
|
|
},
|
|
expectedBody: `test`,
|
|
},
|
|
{
|
|
code: http.StatusInternalServerError,
|
|
response: "500 error details",
|
|
expectedErr: &Error{
|
|
Type: ErrServer,
|
|
Msg: "server error: 500",
|
|
Detail: "500 error details",
|
|
},
|
|
},
|
|
{
|
|
code: http.StatusNotFound,
|
|
response: "404 error details",
|
|
expectedErr: &Error{
|
|
Type: ErrClient,
|
|
Msg: "client error: 404",
|
|
Detail: "404 error details",
|
|
},
|
|
},
|
|
{
|
|
code: http.StatusBadRequest,
|
|
response: &apiResponse{
|
|
Status: "error",
|
|
Data: json.RawMessage(`null`),
|
|
ErrorType: ErrBadData,
|
|
Error: "end timestamp must not be before start time",
|
|
},
|
|
expectedErr: &Error{
|
|
Type: ErrBadData,
|
|
Msg: "end timestamp must not be before start time",
|
|
},
|
|
},
|
|
{
|
|
code: http.StatusUnprocessableEntity,
|
|
response: "bad json",
|
|
expectedErr: &Error{
|
|
Type: ErrBadResponse,
|
|
Msg: "readObjectStart: expect { or n, but found b, error found in #1 byte of ...|bad json|..., bigger context ...|bad json|...",
|
|
},
|
|
},
|
|
{
|
|
code: http.StatusUnprocessableEntity,
|
|
response: &apiResponse{
|
|
Status: "success",
|
|
Data: json.RawMessage(`"test"`),
|
|
},
|
|
expectedErr: &Error{
|
|
Type: ErrBadResponse,
|
|
Msg: "inconsistent body for response code",
|
|
},
|
|
},
|
|
{
|
|
code: http.StatusUnprocessableEntity,
|
|
response: &apiResponse{
|
|
Status: "success",
|
|
Data: json.RawMessage(`"test"`),
|
|
ErrorType: ErrTimeout,
|
|
Error: "timed out",
|
|
},
|
|
expectedErr: &Error{
|
|
Type: ErrBadResponse,
|
|
Msg: "inconsistent body for response code",
|
|
},
|
|
},
|
|
{
|
|
code: http.StatusOK,
|
|
response: &apiResponse{
|
|
Status: "error",
|
|
Data: json.RawMessage(`"test"`),
|
|
ErrorType: ErrTimeout,
|
|
Error: "timed out",
|
|
},
|
|
expectedErr: &Error{
|
|
Type: ErrTimeout,
|
|
Msg: "timed out",
|
|
},
|
|
},
|
|
{
|
|
code: http.StatusOK,
|
|
response: &apiResponse{
|
|
Status: "error",
|
|
Data: json.RawMessage(`"test"`),
|
|
ErrorType: ErrTimeout,
|
|
Error: "timed out",
|
|
Warnings: []string{"a"},
|
|
},
|
|
expectedErr: &Error{
|
|
Type: ErrTimeout,
|
|
Msg: "timed out",
|
|
},
|
|
expectedWarnings: []string{"a"},
|
|
},
|
|
}
|
|
|
|
tc := &testClient{
|
|
T: t,
|
|
ch: make(chan apiClientTest, 1),
|
|
req: &http.Request{},
|
|
}
|
|
client := &apiClientImpl{
|
|
client: tc,
|
|
}
|
|
|
|
for i, test := range tests {
|
|
t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
|
|
|
|
tc.ch <- test
|
|
|
|
_, body, warnings, err := client.Do(context.Background(), tc.req)
|
|
|
|
if test.expectedWarnings != nil {
|
|
if !reflect.DeepEqual(test.expectedWarnings, warnings) {
|
|
t.Fatalf("mismatch in warnings expected=%v actual=%v", test.expectedWarnings, warnings)
|
|
}
|
|
} else {
|
|
if warnings != nil {
|
|
t.Fatalf("unexpexted warnings: %v", warnings)
|
|
}
|
|
}
|
|
|
|
if test.expectedErr != nil {
|
|
if err == nil {
|
|
t.Fatal("expected error, but got none")
|
|
}
|
|
|
|
if test.expectedErr.Error() != err.Error() {
|
|
t.Fatalf("expected error:%v, but got:%v", test.expectedErr.Error(), err.Error())
|
|
}
|
|
|
|
if test.expectedErr.Detail != "" {
|
|
apiErr := err.(*Error)
|
|
if apiErr.Detail != test.expectedErr.Detail {
|
|
t.Fatalf("expected error detail :%v, but got:%v", apiErr.Detail, test.expectedErr.Detail)
|
|
}
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
if err != nil {
|
|
t.Fatalf("unexpected error:%v", err)
|
|
}
|
|
if test.expectedBody != string(body) {
|
|
t.Fatalf("expected body :%v, but got:%v", test.expectedBody, string(body))
|
|
}
|
|
})
|
|
|
|
}
|
|
}
|
|
|
|
func TestSamplesJsonSerialization(t *testing.T) {
|
|
tests := []struct {
|
|
point model.SamplePair
|
|
expected string
|
|
}{
|
|
{
|
|
point: model.SamplePair{0, 0},
|
|
expected: `[0,"0"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{1, 20},
|
|
expected: `[0.001,"20"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{10, 20},
|
|
expected: `[0.010,"20"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{100, 20},
|
|
expected: `[0.100,"20"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{1001, 20},
|
|
expected: `[1.001,"20"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{1010, 20},
|
|
expected: `[1.010,"20"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{1100, 20},
|
|
expected: `[1.100,"20"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{12345678123456555, 20},
|
|
expected: `[12345678123456.555,"20"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{-1, 20},
|
|
expected: `[-0.001,"20"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{0, model.SampleValue(math.NaN())},
|
|
expected: `[0,"NaN"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{0, model.SampleValue(math.Inf(1))},
|
|
expected: `[0,"+Inf"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{0, model.SampleValue(math.Inf(-1))},
|
|
expected: `[0,"-Inf"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{0, model.SampleValue(1.2345678e6)},
|
|
expected: `[0,"1234567.8"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{0, 1.2345678e-6},
|
|
expected: `[0,"0.0000012345678"]`,
|
|
},
|
|
{
|
|
point: model.SamplePair{0, 1.2345678e-67},
|
|
expected: `[0,"1.2345678e-67"]`,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.expected, func(t *testing.T) {
|
|
b, err := json.Marshal(test.point)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if string(b) != test.expected {
|
|
t.Fatalf("Mismatch marshal expected=%s actual=%s", test.expected, string(b))
|
|
}
|
|
|
|
// To test Unmarshal we will Unmarshal then re-Marshal this way we
|
|
// can do a string compare, otherwise Nan values don't show equivalence
|
|
// properly.
|
|
var sp model.SamplePair
|
|
if err = json.Unmarshal(b, &sp); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
b, err = json.Marshal(sp)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if string(b) != test.expected {
|
|
t.Fatalf("Mismatch marshal expected=%s actual=%s", test.expected, string(b))
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
type httpTestClient struct {
|
|
client http.Client
|
|
}
|
|
|
|
func (c *httpTestClient) URL(ep string, args map[string]string) *url.URL {
|
|
return nil
|
|
}
|
|
|
|
func (c *httpTestClient) Do(ctx context.Context, req *http.Request) (*http.Response, []byte, error) {
|
|
resp, err := c.client.Do(req)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
var body []byte
|
|
done := make(chan struct{})
|
|
go func() {
|
|
body, err = ioutil.ReadAll(resp.Body)
|
|
close(done)
|
|
}()
|
|
|
|
select {
|
|
case <-ctx.Done():
|
|
<-done
|
|
err = resp.Body.Close()
|
|
if err == nil {
|
|
err = ctx.Err()
|
|
}
|
|
case <-done:
|
|
}
|
|
|
|
return resp, body, err
|
|
}
|
|
|
|
func TestDoGetFallback(t *testing.T) {
|
|
v := url.Values{"a": []string{"1", "2"}}
|
|
|
|
type testResponse struct {
|
|
Values string
|
|
Method string
|
|
}
|
|
|
|
// Start a local HTTP server.
|
|
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
|
req.ParseForm()
|
|
testResp, _ := json.Marshal(&testResponse{
|
|
Values: req.Form.Encode(),
|
|
Method: req.Method,
|
|
})
|
|
|
|
apiResp := &apiResponse{
|
|
Data: testResp,
|
|
}
|
|
|
|
body, _ := json.Marshal(apiResp)
|
|
|
|
if req.Method == http.MethodPost {
|
|
if req.URL.Path == "/blockPost405" {
|
|
http.Error(w, string(body), http.StatusMethodNotAllowed)
|
|
return
|
|
}
|
|
}
|
|
|
|
if req.Method == http.MethodPost {
|
|
if req.URL.Path == "/blockPost501" {
|
|
http.Error(w, string(body), http.StatusNotImplemented)
|
|
return
|
|
}
|
|
}
|
|
|
|
w.Write(body)
|
|
}))
|
|
// Close the server when test finishes.
|
|
defer server.Close()
|
|
|
|
u, err := url.Parse(server.URL)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
client := &httpTestClient{client: *(server.Client())}
|
|
api := &apiClientImpl{
|
|
client: client,
|
|
}
|
|
|
|
// Do a post, and ensure that the post succeeds.
|
|
_, b, _, err := api.DoGetFallback(context.TODO(), u, v)
|
|
if err != nil {
|
|
t.Fatalf("Error doing local request: %v", err)
|
|
}
|
|
resp := &testResponse{}
|
|
if err := json.Unmarshal(b, resp); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if resp.Method != http.MethodPost {
|
|
t.Fatalf("Mismatch method")
|
|
}
|
|
if resp.Values != v.Encode() {
|
|
t.Fatalf("Mismatch in values")
|
|
}
|
|
|
|
// Do a fallback to a get on 405.
|
|
u.Path = "/blockPost405"
|
|
_, b, _, err = api.DoGetFallback(context.TODO(), u, v)
|
|
if err != nil {
|
|
t.Fatalf("Error doing local request: %v", err)
|
|
}
|
|
if err := json.Unmarshal(b, resp); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if resp.Method != http.MethodGet {
|
|
t.Fatalf("Mismatch method")
|
|
}
|
|
if resp.Values != v.Encode() {
|
|
t.Fatalf("Mismatch in values")
|
|
}
|
|
|
|
// Do a fallback to a get on 501.
|
|
u.Path = "/blockPost501"
|
|
_, b, _, err = api.DoGetFallback(context.TODO(), u, v)
|
|
if err != nil {
|
|
t.Fatalf("Error doing local request: %v", err)
|
|
}
|
|
if err := json.Unmarshal(b, resp); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if resp.Method != http.MethodGet {
|
|
t.Fatalf("Mismatch method")
|
|
}
|
|
if resp.Values != v.Encode() {
|
|
t.Fatalf("Mismatch in values")
|
|
}
|
|
}
|