mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-05 05:04:04 -08:00
9bca041285
* keep track of samples per query, set a max # of samples that can be in memory at once Signed-off-by: Callum Styan <callumstyan@gmail.com>
1266 lines
30 KiB
Go
1266 lines
30 KiB
Go
// Copyright 2016 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 v1
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"math"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"net/url"
|
|
"reflect"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/go-kit/kit/log"
|
|
|
|
"github.com/gogo/protobuf/proto"
|
|
"github.com/golang/snappy"
|
|
config_util "github.com/prometheus/common/config"
|
|
"github.com/prometheus/common/model"
|
|
"github.com/prometheus/common/promlog"
|
|
"github.com/prometheus/common/route"
|
|
|
|
"github.com/prometheus/prometheus/config"
|
|
"github.com/prometheus/prometheus/pkg/gate"
|
|
"github.com/prometheus/prometheus/pkg/labels"
|
|
"github.com/prometheus/prometheus/pkg/timestamp"
|
|
"github.com/prometheus/prometheus/prompb"
|
|
"github.com/prometheus/prometheus/promql"
|
|
"github.com/prometheus/prometheus/rules"
|
|
"github.com/prometheus/prometheus/scrape"
|
|
"github.com/prometheus/prometheus/storage"
|
|
"github.com/prometheus/prometheus/storage/remote"
|
|
"github.com/prometheus/prometheus/util/testutil"
|
|
)
|
|
|
|
type testTargetRetriever struct{}
|
|
|
|
func (t testTargetRetriever) TargetsActive() map[string][]*scrape.Target {
|
|
return map[string][]*scrape.Target{
|
|
"test": {
|
|
scrape.NewTarget(
|
|
labels.FromMap(map[string]string{
|
|
model.SchemeLabel: "http",
|
|
model.AddressLabel: "example.com:8080",
|
|
model.MetricsPathLabel: "/metrics",
|
|
}),
|
|
nil,
|
|
url.Values{},
|
|
),
|
|
},
|
|
}
|
|
}
|
|
func (t testTargetRetriever) TargetsDropped() map[string][]*scrape.Target {
|
|
return map[string][]*scrape.Target{
|
|
"test": {
|
|
scrape.NewTarget(
|
|
nil,
|
|
labels.FromMap(map[string]string{
|
|
model.AddressLabel: "http://dropped.example.com:9115",
|
|
model.MetricsPathLabel: "/probe",
|
|
model.SchemeLabel: "http",
|
|
model.JobLabel: "blackbox",
|
|
}),
|
|
url.Values{},
|
|
),
|
|
},
|
|
}
|
|
}
|
|
|
|
type testAlertmanagerRetriever struct{}
|
|
|
|
func (t testAlertmanagerRetriever) Alertmanagers() []*url.URL {
|
|
return []*url.URL{
|
|
{
|
|
Scheme: "http",
|
|
Host: "alertmanager.example.com:8080",
|
|
Path: "/api/v1/alerts",
|
|
},
|
|
}
|
|
}
|
|
|
|
func (t testAlertmanagerRetriever) DroppedAlertmanagers() []*url.URL {
|
|
return []*url.URL{
|
|
{
|
|
Scheme: "http",
|
|
Host: "dropped.alertmanager.example.com:8080",
|
|
Path: "/api/v1/alerts",
|
|
},
|
|
}
|
|
}
|
|
|
|
type rulesRetrieverMock struct {
|
|
testing *testing.T
|
|
}
|
|
|
|
func (m rulesRetrieverMock) AlertingRules() []*rules.AlertingRule {
|
|
expr1, err := promql.ParseExpr(`absent(test_metric3) != 1`)
|
|
if err != nil {
|
|
m.testing.Fatalf("unable to parse alert expression: %s", err)
|
|
}
|
|
expr2, err := promql.ParseExpr(`up == 1`)
|
|
if err != nil {
|
|
m.testing.Fatalf("Unable to parse alert expression: %s", err)
|
|
}
|
|
|
|
rule1 := rules.NewAlertingRule(
|
|
"test_metric3",
|
|
expr1,
|
|
time.Second,
|
|
labels.Labels{},
|
|
labels.Labels{},
|
|
true,
|
|
log.NewNopLogger(),
|
|
)
|
|
rule2 := rules.NewAlertingRule(
|
|
"test_metric4",
|
|
expr2,
|
|
time.Second,
|
|
labels.Labels{},
|
|
labels.Labels{},
|
|
true,
|
|
log.NewNopLogger(),
|
|
)
|
|
var r []*rules.AlertingRule
|
|
r = append(r, rule1)
|
|
r = append(r, rule2)
|
|
return r
|
|
}
|
|
|
|
func (m rulesRetrieverMock) RuleGroups() []*rules.Group {
|
|
var ar rulesRetrieverMock
|
|
arules := ar.AlertingRules()
|
|
storage := testutil.NewStorage(m.testing)
|
|
defer storage.Close()
|
|
|
|
engineOpts := promql.EngineOpts{
|
|
Logger: nil,
|
|
Reg: nil,
|
|
MaxConcurrent: 10,
|
|
MaxSamples: 10,
|
|
Timeout: 100 * time.Second,
|
|
}
|
|
|
|
engine := promql.NewEngine(engineOpts)
|
|
opts := &rules.ManagerOptions{
|
|
QueryFunc: rules.EngineQueryFunc(engine, storage),
|
|
Appendable: storage,
|
|
Context: context.Background(),
|
|
Logger: log.NewNopLogger(),
|
|
}
|
|
|
|
var r []rules.Rule
|
|
|
|
for _, alertrule := range arules {
|
|
r = append(r, alertrule)
|
|
}
|
|
|
|
recordingExpr, err := promql.ParseExpr(`vector(1)`)
|
|
if err != nil {
|
|
m.testing.Fatalf("unable to parse alert expression: %s", err)
|
|
}
|
|
recordingRule := rules.NewRecordingRule("recording-rule-1", recordingExpr, labels.Labels{})
|
|
r = append(r, recordingRule)
|
|
|
|
group := rules.NewGroup("grp", "/path/to/file", time.Second, r, false, opts)
|
|
return []*rules.Group{group}
|
|
}
|
|
|
|
var samplePrometheusCfg = config.Config{
|
|
GlobalConfig: config.GlobalConfig{},
|
|
AlertingConfig: config.AlertingConfig{},
|
|
RuleFiles: []string{},
|
|
ScrapeConfigs: []*config.ScrapeConfig{},
|
|
RemoteWriteConfigs: []*config.RemoteWriteConfig{},
|
|
RemoteReadConfigs: []*config.RemoteReadConfig{},
|
|
}
|
|
|
|
var sampleFlagMap = map[string]string{
|
|
"flag1": "value1",
|
|
"flag2": "value2",
|
|
}
|
|
|
|
func TestEndpoints(t *testing.T) {
|
|
suite, err := promql.NewTest(t, `
|
|
load 1m
|
|
test_metric1{foo="bar"} 0+100x100
|
|
test_metric1{foo="boo"} 1+0x100
|
|
test_metric2{foo="boo"} 1+0x100
|
|
`)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer suite.Close()
|
|
|
|
if err := suite.Run(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
now := time.Now()
|
|
|
|
var algr rulesRetrieverMock
|
|
algr.testing = t
|
|
algr.AlertingRules()
|
|
algr.RuleGroups()
|
|
|
|
t.Run("local", func(t *testing.T) {
|
|
var algr rulesRetrieverMock
|
|
algr.testing = t
|
|
|
|
algr.AlertingRules()
|
|
|
|
algr.RuleGroups()
|
|
|
|
api := &API{
|
|
Queryable: suite.Storage(),
|
|
QueryEngine: suite.QueryEngine(),
|
|
targetRetriever: testTargetRetriever{},
|
|
alertmanagerRetriever: testAlertmanagerRetriever{},
|
|
now: func() time.Time { return now },
|
|
config: func() config.Config { return samplePrometheusCfg },
|
|
flagsMap: sampleFlagMap,
|
|
ready: func(f http.HandlerFunc) http.HandlerFunc { return f },
|
|
rulesRetriever: algr,
|
|
}
|
|
|
|
testEndpoints(t, api, true)
|
|
})
|
|
|
|
// Run all the API tests against a API that is wired to forward queries via
|
|
// the remote read client to a test server, which in turn sends them to the
|
|
// data from the test suite.
|
|
t.Run("remote", func(t *testing.T) {
|
|
server := setupRemote(suite.Storage())
|
|
defer server.Close()
|
|
|
|
u, err := url.Parse(server.URL)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
al := promlog.AllowedLevel{}
|
|
al.Set("debug")
|
|
remote := remote.NewStorage(promlog.New(al), func() (int64, error) {
|
|
return 0, nil
|
|
}, 1*time.Second)
|
|
|
|
err = remote.ApplyConfig(&config.Config{
|
|
RemoteReadConfigs: []*config.RemoteReadConfig{
|
|
{
|
|
URL: &config_util.URL{URL: u},
|
|
RemoteTimeout: model.Duration(1 * time.Second),
|
|
ReadRecent: true,
|
|
},
|
|
},
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var algr rulesRetrieverMock
|
|
algr.testing = t
|
|
|
|
algr.AlertingRules()
|
|
|
|
algr.RuleGroups()
|
|
|
|
api := &API{
|
|
Queryable: remote,
|
|
QueryEngine: suite.QueryEngine(),
|
|
targetRetriever: testTargetRetriever{},
|
|
alertmanagerRetriever: testAlertmanagerRetriever{},
|
|
now: func() time.Time { return now },
|
|
config: func() config.Config { return samplePrometheusCfg },
|
|
flagsMap: sampleFlagMap,
|
|
ready: func(f http.HandlerFunc) http.HandlerFunc { return f },
|
|
rulesRetriever: algr,
|
|
}
|
|
|
|
testEndpoints(t, api, false)
|
|
})
|
|
}
|
|
|
|
func setupRemote(s storage.Storage) *httptest.Server {
|
|
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
req, err := remote.DecodeReadRequest(r)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusBadRequest)
|
|
return
|
|
}
|
|
resp := prompb.ReadResponse{
|
|
Results: make([]*prompb.QueryResult, len(req.Queries)),
|
|
}
|
|
for i, query := range req.Queries {
|
|
from, through, matchers, selectParams, err := remote.FromQuery(query)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
querier, err := s.Querier(r.Context(), from, through)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
defer querier.Close()
|
|
|
|
set, err := querier.Select(selectParams, matchers...)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
resp.Results[i], err = remote.ToQueryResult(set, 1e6)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
}
|
|
|
|
if err := remote.EncodeReadResponse(&resp, w); err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
})
|
|
|
|
return httptest.NewServer(handler)
|
|
}
|
|
|
|
func testEndpoints(t *testing.T, api *API, testLabelAPI bool) {
|
|
start := time.Unix(0, 0)
|
|
|
|
type test struct {
|
|
endpoint apiFunc
|
|
params map[string]string
|
|
query url.Values
|
|
response interface{}
|
|
errType errorType
|
|
}
|
|
|
|
var tests = []test{
|
|
{
|
|
endpoint: api.query,
|
|
query: url.Values{
|
|
"query": []string{"2"},
|
|
"time": []string{"123.4"},
|
|
},
|
|
response: &queryData{
|
|
ResultType: promql.ValueTypeScalar,
|
|
Result: promql.Scalar{
|
|
V: 2,
|
|
T: timestamp.FromTime(start.Add(123*time.Second + 400*time.Millisecond)),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.query,
|
|
query: url.Values{
|
|
"query": []string{"0.333"},
|
|
"time": []string{"1970-01-01T00:02:03Z"},
|
|
},
|
|
response: &queryData{
|
|
ResultType: promql.ValueTypeScalar,
|
|
Result: promql.Scalar{
|
|
V: 0.333,
|
|
T: timestamp.FromTime(start.Add(123 * time.Second)),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.query,
|
|
query: url.Values{
|
|
"query": []string{"0.333"},
|
|
"time": []string{"1970-01-01T01:02:03+01:00"},
|
|
},
|
|
response: &queryData{
|
|
ResultType: promql.ValueTypeScalar,
|
|
Result: promql.Scalar{
|
|
V: 0.333,
|
|
T: timestamp.FromTime(start.Add(123 * time.Second)),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.query,
|
|
query: url.Values{
|
|
"query": []string{"0.333"},
|
|
},
|
|
response: &queryData{
|
|
ResultType: promql.ValueTypeScalar,
|
|
Result: promql.Scalar{
|
|
V: 0.333,
|
|
T: timestamp.FromTime(api.now()),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.queryRange,
|
|
query: url.Values{
|
|
"query": []string{"time()"},
|
|
"start": []string{"0"},
|
|
"end": []string{"2"},
|
|
"step": []string{"1"},
|
|
},
|
|
response: &queryData{
|
|
ResultType: promql.ValueTypeMatrix,
|
|
Result: promql.Matrix{
|
|
promql.Series{
|
|
Points: []promql.Point{
|
|
{V: 0, T: timestamp.FromTime(start)},
|
|
{V: 1, T: timestamp.FromTime(start.Add(1 * time.Second))},
|
|
{V: 2, T: timestamp.FromTime(start.Add(2 * time.Second))},
|
|
},
|
|
Metric: nil,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
// Missing query params in range queries.
|
|
{
|
|
endpoint: api.queryRange,
|
|
query: url.Values{
|
|
"query": []string{"time()"},
|
|
"end": []string{"2"},
|
|
"step": []string{"1"},
|
|
},
|
|
errType: errorBadData,
|
|
},
|
|
{
|
|
endpoint: api.queryRange,
|
|
query: url.Values{
|
|
"query": []string{"time()"},
|
|
"start": []string{"0"},
|
|
"step": []string{"1"},
|
|
},
|
|
errType: errorBadData,
|
|
},
|
|
{
|
|
endpoint: api.queryRange,
|
|
query: url.Values{
|
|
"query": []string{"time()"},
|
|
"start": []string{"0"},
|
|
"end": []string{"2"},
|
|
},
|
|
errType: errorBadData,
|
|
},
|
|
// Bad query expression.
|
|
{
|
|
endpoint: api.query,
|
|
query: url.Values{
|
|
"query": []string{"invalid][query"},
|
|
"time": []string{"1970-01-01T01:02:03+01:00"},
|
|
},
|
|
errType: errorBadData,
|
|
},
|
|
{
|
|
endpoint: api.queryRange,
|
|
query: url.Values{
|
|
"query": []string{"invalid][query"},
|
|
"start": []string{"0"},
|
|
"end": []string{"100"},
|
|
"step": []string{"1"},
|
|
},
|
|
errType: errorBadData,
|
|
},
|
|
// Invalid step.
|
|
{
|
|
endpoint: api.queryRange,
|
|
query: url.Values{
|
|
"query": []string{"time()"},
|
|
"start": []string{"1"},
|
|
"end": []string{"2"},
|
|
"step": []string{"0"},
|
|
},
|
|
errType: errorBadData,
|
|
},
|
|
// Start after end.
|
|
{
|
|
endpoint: api.queryRange,
|
|
query: url.Values{
|
|
"query": []string{"time()"},
|
|
"start": []string{"2"},
|
|
"end": []string{"1"},
|
|
"step": []string{"1"},
|
|
},
|
|
errType: errorBadData,
|
|
},
|
|
// Start overflows int64 internally.
|
|
{
|
|
endpoint: api.queryRange,
|
|
query: url.Values{
|
|
"query": []string{"time()"},
|
|
"start": []string{"148966367200.372"},
|
|
"end": []string{"1489667272.372"},
|
|
"step": []string{"1"},
|
|
},
|
|
errType: errorBadData,
|
|
},
|
|
{
|
|
endpoint: api.series,
|
|
query: url.Values{
|
|
"match[]": []string{`test_metric2`},
|
|
},
|
|
response: []labels.Labels{
|
|
labels.FromStrings("__name__", "test_metric2", "foo", "boo"),
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.series,
|
|
query: url.Values{
|
|
"match[]": []string{`test_metric1{foo=~".+o"}`},
|
|
},
|
|
response: []labels.Labels{
|
|
labels.FromStrings("__name__", "test_metric1", "foo", "boo"),
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.series,
|
|
query: url.Values{
|
|
"match[]": []string{`test_metric1{foo=~".+o$"}`, `test_metric1{foo=~".+o"}`},
|
|
},
|
|
response: []labels.Labels{
|
|
labels.FromStrings("__name__", "test_metric1", "foo", "boo"),
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.series,
|
|
query: url.Values{
|
|
"match[]": []string{`test_metric1{foo=~".+o"}`, `none`},
|
|
},
|
|
response: []labels.Labels{
|
|
labels.FromStrings("__name__", "test_metric1", "foo", "boo"),
|
|
},
|
|
},
|
|
// Start and end before series starts.
|
|
{
|
|
endpoint: api.series,
|
|
query: url.Values{
|
|
"match[]": []string{`test_metric2`},
|
|
"start": []string{"-2"},
|
|
"end": []string{"-1"},
|
|
},
|
|
response: []labels.Labels{},
|
|
},
|
|
// Start and end after series ends.
|
|
{
|
|
endpoint: api.series,
|
|
query: url.Values{
|
|
"match[]": []string{`test_metric2`},
|
|
"start": []string{"100000"},
|
|
"end": []string{"100001"},
|
|
},
|
|
response: []labels.Labels{},
|
|
},
|
|
// Start before series starts, end after series ends.
|
|
{
|
|
endpoint: api.series,
|
|
query: url.Values{
|
|
"match[]": []string{`test_metric2`},
|
|
"start": []string{"-1"},
|
|
"end": []string{"100000"},
|
|
},
|
|
response: []labels.Labels{
|
|
labels.FromStrings("__name__", "test_metric2", "foo", "boo"),
|
|
},
|
|
},
|
|
// Start and end within series.
|
|
{
|
|
endpoint: api.series,
|
|
query: url.Values{
|
|
"match[]": []string{`test_metric2`},
|
|
"start": []string{"1"},
|
|
"end": []string{"100"},
|
|
},
|
|
response: []labels.Labels{
|
|
labels.FromStrings("__name__", "test_metric2", "foo", "boo"),
|
|
},
|
|
},
|
|
// Start within series, end after.
|
|
{
|
|
endpoint: api.series,
|
|
query: url.Values{
|
|
"match[]": []string{`test_metric2`},
|
|
"start": []string{"1"},
|
|
"end": []string{"100000"},
|
|
},
|
|
response: []labels.Labels{
|
|
labels.FromStrings("__name__", "test_metric2", "foo", "boo"),
|
|
},
|
|
},
|
|
// Start before series, end within series.
|
|
{
|
|
endpoint: api.series,
|
|
query: url.Values{
|
|
"match[]": []string{`test_metric2`},
|
|
"start": []string{"-1"},
|
|
"end": []string{"1"},
|
|
},
|
|
response: []labels.Labels{
|
|
labels.FromStrings("__name__", "test_metric2", "foo", "boo"),
|
|
},
|
|
},
|
|
// Missing match[] query params in series requests.
|
|
{
|
|
endpoint: api.series,
|
|
errType: errorBadData,
|
|
},
|
|
{
|
|
endpoint: api.dropSeries,
|
|
errType: errorInternal,
|
|
},
|
|
{
|
|
endpoint: api.targets,
|
|
response: &TargetDiscovery{
|
|
ActiveTargets: map[string][]*Target{
|
|
"test": {
|
|
{
|
|
DiscoveredLabels: map[string]string{},
|
|
Labels: map[string]string{},
|
|
ScrapeURL: "http://example.com:8080/metrics",
|
|
Health: "unknown",
|
|
},
|
|
},
|
|
},
|
|
DroppedTargets: map[string][]*DroppedTarget{
|
|
"test": {
|
|
{
|
|
DiscoveredLabels: map[string]string{
|
|
"__address__": "http://dropped.example.com:9115",
|
|
"__metrics_path__": "/probe",
|
|
"__scheme__": "http",
|
|
"job": "blackbox",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.alertmanagers,
|
|
response: &AlertmanagerDiscovery{
|
|
ActiveAlertmanagers: []*AlertmanagerTarget{
|
|
{
|
|
URL: "http://alertmanager.example.com:8080/api/v1/alerts",
|
|
},
|
|
},
|
|
DroppedAlertmanagers: []*AlertmanagerTarget{
|
|
{
|
|
URL: "http://dropped.alertmanager.example.com:8080/api/v1/alerts",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.serveConfig,
|
|
response: &prometheusConfig{
|
|
YAML: samplePrometheusCfg.String(),
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.serveFlags,
|
|
response: sampleFlagMap,
|
|
},
|
|
{
|
|
endpoint: api.alerts,
|
|
response: &AlertDiscovery{
|
|
Alerts: []*Alert{},
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.rules,
|
|
response: &RuleDiscovery{
|
|
RuleGroups: []*RuleGroup{
|
|
{
|
|
Name: "grp",
|
|
File: "/path/to/file",
|
|
Interval: 1,
|
|
Rules: []rule{
|
|
alertingRule{
|
|
Name: "test_metric3",
|
|
Query: "absent(test_metric3) != 1",
|
|
Duration: 1,
|
|
Labels: labels.Labels{},
|
|
Annotations: labels.Labels{},
|
|
Alerts: []*Alert{},
|
|
Health: "unknown",
|
|
Type: "alerting",
|
|
},
|
|
alertingRule{
|
|
Name: "test_metric4",
|
|
Query: "up == 1",
|
|
Duration: 1,
|
|
Labels: labels.Labels{},
|
|
Annotations: labels.Labels{},
|
|
Alerts: []*Alert{},
|
|
Health: "unknown",
|
|
Type: "alerting",
|
|
},
|
|
recordingRule{
|
|
Name: "recording-rule-1",
|
|
Query: "vector(1)",
|
|
Labels: labels.Labels{},
|
|
Health: "unknown",
|
|
Type: "recording",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
if testLabelAPI {
|
|
tests = append(tests, []test{
|
|
{
|
|
endpoint: api.labelValues,
|
|
params: map[string]string{
|
|
"name": "__name__",
|
|
},
|
|
response: []string{
|
|
"test_metric1",
|
|
"test_metric2",
|
|
},
|
|
},
|
|
{
|
|
endpoint: api.labelValues,
|
|
params: map[string]string{
|
|
"name": "foo",
|
|
},
|
|
response: []string{
|
|
"bar",
|
|
"boo",
|
|
},
|
|
},
|
|
// Bad name parameter.
|
|
{
|
|
endpoint: api.labelValues,
|
|
params: map[string]string{
|
|
"name": "not!!!allowed",
|
|
},
|
|
errType: errorBadData,
|
|
},
|
|
}...)
|
|
}
|
|
|
|
methods := func(f apiFunc) []string {
|
|
fp := reflect.ValueOf(f).Pointer()
|
|
if fp == reflect.ValueOf(api.query).Pointer() || fp == reflect.ValueOf(api.queryRange).Pointer() {
|
|
return []string{http.MethodGet, http.MethodPost}
|
|
}
|
|
return []string{http.MethodGet}
|
|
}
|
|
|
|
request := func(m string, q url.Values) (*http.Request, error) {
|
|
if m == http.MethodPost {
|
|
r, err := http.NewRequest(m, "http://example.com", strings.NewReader(q.Encode()))
|
|
r.Header.Set("Content-Type", "application/x-www-form-urlencoded")
|
|
return r, err
|
|
}
|
|
return http.NewRequest(m, fmt.Sprintf("http://example.com?%s", q.Encode()), nil)
|
|
}
|
|
|
|
for i, test := range tests {
|
|
for _, method := range methods(test.endpoint) {
|
|
// Build a context with the correct request params.
|
|
ctx := context.Background()
|
|
for p, v := range test.params {
|
|
ctx = route.WithParam(ctx, p, v)
|
|
}
|
|
t.Logf("run %d\t%s\t%q", i, method, test.query.Encode())
|
|
|
|
req, err := request(method, test.query)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
resp, apiErr, _ := test.endpoint(req.WithContext(ctx))
|
|
if apiErr != nil {
|
|
if test.errType == errorNone {
|
|
t.Fatalf("Unexpected error: %s", apiErr)
|
|
}
|
|
if test.errType != apiErr.typ {
|
|
t.Fatalf("Expected error of type %q but got type %q", test.errType, apiErr.typ)
|
|
}
|
|
continue
|
|
}
|
|
if apiErr == nil && test.errType != errorNone {
|
|
t.Fatalf("Expected error of type %q but got none", test.errType)
|
|
}
|
|
if !reflect.DeepEqual(resp, test.response) {
|
|
respJSON, err := json.Marshal(resp)
|
|
if err != nil {
|
|
t.Fatalf("failed to marshal response as JSON: %v", err.Error())
|
|
}
|
|
|
|
expectedRespJSON, err := json.Marshal(test.response)
|
|
if err != nil {
|
|
t.Fatalf("failed to marshal expected response as JSON: %v", err.Error())
|
|
}
|
|
|
|
t.Fatalf(
|
|
"Response does not match, expected:\n%+v\ngot:\n%+v",
|
|
string(expectedRespJSON),
|
|
string(respJSON),
|
|
)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestReadEndpoint(t *testing.T) {
|
|
suite, err := promql.NewTest(t, `
|
|
load 1m
|
|
test_metric1{foo="bar",baz="qux"} 1
|
|
`)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer suite.Close()
|
|
|
|
if err := suite.Run(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
api := &API{
|
|
Queryable: suite.Storage(),
|
|
QueryEngine: suite.QueryEngine(),
|
|
config: func() config.Config {
|
|
return config.Config{
|
|
GlobalConfig: config.GlobalConfig{
|
|
ExternalLabels: model.LabelSet{
|
|
"baz": "a",
|
|
"b": "c",
|
|
"d": "e",
|
|
},
|
|
},
|
|
}
|
|
},
|
|
remoteReadSampleLimit: 1e6,
|
|
remoteReadGate: gate.New(1),
|
|
}
|
|
|
|
// Encode the request.
|
|
matcher1, err := labels.NewMatcher(labels.MatchEqual, "__name__", "test_metric1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
matcher2, err := labels.NewMatcher(labels.MatchEqual, "d", "e")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
query, err := remote.ToQuery(0, 1, []*labels.Matcher{matcher1, matcher2}, &storage.SelectParams{Step: 0, Func: "avg"})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
req := &prompb.ReadRequest{Queries: []*prompb.Query{query}}
|
|
data, err := proto.Marshal(req)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
compressed := snappy.Encode(nil, data)
|
|
request, err := http.NewRequest("POST", "", bytes.NewBuffer(compressed))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
recorder := httptest.NewRecorder()
|
|
api.remoteRead(recorder, request)
|
|
|
|
if recorder.Code/100 != 2 {
|
|
t.Fatal(recorder.Code)
|
|
}
|
|
|
|
// Decode the response.
|
|
compressed, err = ioutil.ReadAll(recorder.Result().Body)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
uncompressed, err := snappy.Decode(nil, compressed)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var resp prompb.ReadResponse
|
|
err = proto.Unmarshal(uncompressed, &resp)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if len(resp.Results) != 1 {
|
|
t.Fatalf("Expected 1 result, got %d", len(resp.Results))
|
|
}
|
|
|
|
result := resp.Results[0]
|
|
expected := &prompb.QueryResult{
|
|
Timeseries: []*prompb.TimeSeries{
|
|
{
|
|
Labels: []*prompb.Label{
|
|
{Name: "__name__", Value: "test_metric1"},
|
|
{Name: "b", Value: "c"},
|
|
{Name: "baz", Value: "qux"},
|
|
{Name: "d", Value: "e"},
|
|
{Name: "foo", Value: "bar"},
|
|
},
|
|
Samples: []prompb.Sample{{Value: 1, Timestamp: 0}},
|
|
},
|
|
},
|
|
}
|
|
if !reflect.DeepEqual(result, expected) {
|
|
t.Fatalf("Expected response \n%v\n but got \n%v\n", result, expected)
|
|
}
|
|
}
|
|
|
|
func TestRespondSuccess(t *testing.T) {
|
|
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
api := API{}
|
|
api.respond(w, "test")
|
|
}))
|
|
defer s.Close()
|
|
|
|
resp, err := http.Get(s.URL)
|
|
if err != nil {
|
|
t.Fatalf("Error on test request: %s", err)
|
|
}
|
|
body, err := ioutil.ReadAll(resp.Body)
|
|
defer resp.Body.Close()
|
|
if err != nil {
|
|
t.Fatalf("Error reading response body: %s", err)
|
|
}
|
|
|
|
if resp.StatusCode != 200 {
|
|
t.Fatalf("Return code %d expected in success response but got %d", 200, resp.StatusCode)
|
|
}
|
|
if h := resp.Header.Get("Content-Type"); h != "application/json" {
|
|
t.Fatalf("Expected Content-Type %q but got %q", "application/json", h)
|
|
}
|
|
|
|
var res response
|
|
if err = json.Unmarshal([]byte(body), &res); err != nil {
|
|
t.Fatalf("Error unmarshaling JSON body: %s", err)
|
|
}
|
|
|
|
exp := &response{
|
|
Status: statusSuccess,
|
|
Data: "test",
|
|
}
|
|
if !reflect.DeepEqual(&res, exp) {
|
|
t.Fatalf("Expected response \n%v\n but got \n%v\n", res, exp)
|
|
}
|
|
}
|
|
|
|
func TestRespondError(t *testing.T) {
|
|
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
api := API{}
|
|
api.respondError(w, &apiError{errorTimeout, errors.New("message")}, "test")
|
|
}))
|
|
defer s.Close()
|
|
|
|
resp, err := http.Get(s.URL)
|
|
if err != nil {
|
|
t.Fatalf("Error on test request: %s", err)
|
|
}
|
|
body, err := ioutil.ReadAll(resp.Body)
|
|
defer resp.Body.Close()
|
|
if err != nil {
|
|
t.Fatalf("Error reading response body: %s", err)
|
|
}
|
|
|
|
if want, have := http.StatusServiceUnavailable, resp.StatusCode; want != have {
|
|
t.Fatalf("Return code %d expected in error response but got %d", want, have)
|
|
}
|
|
if h := resp.Header.Get("Content-Type"); h != "application/json" {
|
|
t.Fatalf("Expected Content-Type %q but got %q", "application/json", h)
|
|
}
|
|
|
|
var res response
|
|
if err = json.Unmarshal([]byte(body), &res); err != nil {
|
|
t.Fatalf("Error unmarshaling JSON body: %s", err)
|
|
}
|
|
|
|
exp := &response{
|
|
Status: statusError,
|
|
Data: "test",
|
|
ErrorType: errorTimeout,
|
|
Error: "message",
|
|
}
|
|
if !reflect.DeepEqual(&res, exp) {
|
|
t.Fatalf("Expected response \n%v\n but got \n%v\n", res, exp)
|
|
}
|
|
}
|
|
|
|
func TestParseTime(t *testing.T) {
|
|
ts, err := time.Parse(time.RFC3339Nano, "2015-06-03T13:21:58.555Z")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
var tests = []struct {
|
|
input string
|
|
fail bool
|
|
result time.Time
|
|
}{
|
|
{
|
|
input: "",
|
|
fail: true,
|
|
}, {
|
|
input: "abc",
|
|
fail: true,
|
|
}, {
|
|
input: "30s",
|
|
fail: true,
|
|
}, {
|
|
input: "123",
|
|
result: time.Unix(123, 0),
|
|
}, {
|
|
input: "123.123",
|
|
result: time.Unix(123, 123000000),
|
|
}, {
|
|
input: "2015-06-03T13:21:58.555Z",
|
|
result: ts,
|
|
}, {
|
|
input: "2015-06-03T14:21:58.555+01:00",
|
|
result: ts,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
ts, err := parseTime(test.input)
|
|
if err != nil && !test.fail {
|
|
t.Errorf("Unexpected error for %q: %s", test.input, err)
|
|
continue
|
|
}
|
|
if err == nil && test.fail {
|
|
t.Errorf("Expected error for %q but got none", test.input)
|
|
continue
|
|
}
|
|
if !test.fail && !ts.Equal(test.result) {
|
|
t.Errorf("Expected time %v for input %q but got %v", test.result, test.input, ts)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestParseDuration(t *testing.T) {
|
|
var tests = []struct {
|
|
input string
|
|
fail bool
|
|
result time.Duration
|
|
}{
|
|
{
|
|
input: "",
|
|
fail: true,
|
|
}, {
|
|
input: "abc",
|
|
fail: true,
|
|
}, {
|
|
input: "2015-06-03T13:21:58.555Z",
|
|
fail: true,
|
|
}, {
|
|
// Internal int64 overflow.
|
|
input: "-148966367200.372",
|
|
fail: true,
|
|
}, {
|
|
// Internal int64 overflow.
|
|
input: "148966367200.372",
|
|
fail: true,
|
|
}, {
|
|
input: "123",
|
|
result: 123 * time.Second,
|
|
}, {
|
|
input: "123.333",
|
|
result: 123*time.Second + 333*time.Millisecond,
|
|
}, {
|
|
input: "15s",
|
|
result: 15 * time.Second,
|
|
}, {
|
|
input: "5m",
|
|
result: 5 * time.Minute,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
d, err := parseDuration(test.input)
|
|
if err != nil && !test.fail {
|
|
t.Errorf("Unexpected error for %q: %s", test.input, err)
|
|
continue
|
|
}
|
|
if err == nil && test.fail {
|
|
t.Errorf("Expected error for %q but got none", test.input)
|
|
continue
|
|
}
|
|
if !test.fail && d != test.result {
|
|
t.Errorf("Expected duration %v for input %q but got %v", test.result, test.input, d)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestOptionsMethod(t *testing.T) {
|
|
r := route.New()
|
|
api := &API{ready: func(f http.HandlerFunc) http.HandlerFunc { return f }}
|
|
api.Register(r)
|
|
|
|
s := httptest.NewServer(r)
|
|
defer s.Close()
|
|
|
|
req, err := http.NewRequest("OPTIONS", s.URL+"/any_path", nil)
|
|
if err != nil {
|
|
t.Fatalf("Error creating OPTIONS request: %s", err)
|
|
}
|
|
client := &http.Client{}
|
|
resp, err := client.Do(req)
|
|
if err != nil {
|
|
t.Fatalf("Error executing OPTIONS request: %s", err)
|
|
}
|
|
|
|
if resp.StatusCode != http.StatusNoContent {
|
|
t.Fatalf("Expected status %d, got %d", http.StatusNoContent, resp.StatusCode)
|
|
}
|
|
|
|
for h, v := range corsHeaders {
|
|
if resp.Header.Get(h) != v {
|
|
t.Fatalf("Expected %q for header %q, got %q", v, h, resp.Header.Get(h))
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRespond(t *testing.T) {
|
|
cases := []struct {
|
|
response interface{}
|
|
expected string
|
|
}{
|
|
{
|
|
response: &queryData{
|
|
ResultType: promql.ValueTypeMatrix,
|
|
Result: promql.Matrix{
|
|
promql.Series{
|
|
Points: []promql.Point{{V: 1, T: 1000}},
|
|
Metric: labels.FromStrings("__name__", "foo"),
|
|
},
|
|
},
|
|
},
|
|
expected: `{"status":"success","data":{"resultType":"matrix","result":[{"metric":{"__name__":"foo"},"values":[[1,"1"]]}]}}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 0, T: 0},
|
|
expected: `{"status":"success","data":[0,"0"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 20, T: 1},
|
|
expected: `{"status":"success","data":[0.001,"20"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 20, T: 10},
|
|
expected: `{"status":"success","data":[0.010,"20"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 20, T: 100},
|
|
expected: `{"status":"success","data":[0.100,"20"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 20, T: 1001},
|
|
expected: `{"status":"success","data":[1.001,"20"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 20, T: 1010},
|
|
expected: `{"status":"success","data":[1.010,"20"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 20, T: 1100},
|
|
expected: `{"status":"success","data":[1.100,"20"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 20, T: 12345678123456555},
|
|
expected: `{"status":"success","data":[12345678123456.555,"20"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 20, T: -1},
|
|
expected: `{"status":"success","data":[-0.001,"20"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: math.NaN(), T: 0},
|
|
expected: `{"status":"success","data":[0,"NaN"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: math.Inf(1), T: 0},
|
|
expected: `{"status":"success","data":[0,"+Inf"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: math.Inf(-1), T: 0},
|
|
expected: `{"status":"success","data":[0,"-Inf"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 1.2345678e6, T: 0},
|
|
expected: `{"status":"success","data":[0,"1234567.8"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 1.2345678e-6, T: 0},
|
|
expected: `{"status":"success","data":[0,"0.0000012345678"]}`,
|
|
},
|
|
{
|
|
response: promql.Point{V: 1.2345678e-67, T: 0},
|
|
expected: `{"status":"success","data":[0,"1.2345678e-67"]}`,
|
|
},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
api := API{}
|
|
api.respond(w, c.response)
|
|
}))
|
|
defer s.Close()
|
|
|
|
resp, err := http.Get(s.URL)
|
|
if err != nil {
|
|
t.Fatalf("Error on test request: %s", err)
|
|
}
|
|
body, err := ioutil.ReadAll(resp.Body)
|
|
defer resp.Body.Close()
|
|
if err != nil {
|
|
t.Fatalf("Error reading response body: %s", err)
|
|
}
|
|
|
|
if string(body) != c.expected {
|
|
t.Fatalf("Expected response \n%v\n but got \n%v\n", c.expected, string(body))
|
|
}
|
|
}
|
|
}
|
|
|
|
// This is a global to avoid the benchmark being optimized away.
|
|
var testResponseWriter = httptest.ResponseRecorder{}
|
|
|
|
func BenchmarkRespond(b *testing.B) {
|
|
b.ReportAllocs()
|
|
points := []promql.Point{}
|
|
for i := 0; i < 10000; i++ {
|
|
points = append(points, promql.Point{V: float64(i * 1000000), T: int64(i)})
|
|
}
|
|
response := &queryData{
|
|
ResultType: promql.ValueTypeMatrix,
|
|
Result: promql.Matrix{
|
|
promql.Series{
|
|
Points: points,
|
|
Metric: nil,
|
|
},
|
|
},
|
|
}
|
|
b.ResetTimer()
|
|
api := API{}
|
|
for n := 0; n < b.N; n++ {
|
|
api.respond(&testResponseWriter, response)
|
|
}
|
|
}
|