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2d7f562ed6
* web: fix asset paths for Windows platforms Signed-off-by: Simon Pasquier <spasquie@redhat.com> * web: add tests Signed-off-by: Simon Pasquier <spasquie@redhat.com>
321 lines
8.5 KiB
Go
321 lines
8.5 KiB
Go
// Copyright 2016 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 web
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import (
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"context"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"net/url"
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"os"
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"strings"
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"testing"
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"time"
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"github.com/prometheus/prometheus/storage/tsdb"
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"github.com/prometheus/prometheus/util/testutil"
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libtsdb "github.com/prometheus/tsdb"
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)
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func TestMain(m *testing.M) {
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// On linux with a global proxy the tests will fail as the go client(http,grpc) tries to connect through the proxy.
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os.Setenv("no_proxy", "localhost,127.0.0.1,0.0.0.0,:")
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os.Exit(m.Run())
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}
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func TestGlobalURL(t *testing.T) {
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opts := &Options{
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ListenAddress: ":9090",
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ExternalURL: &url.URL{
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Scheme: "https",
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Host: "externalhost:80",
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Path: "/path/prefix",
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},
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}
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tests := []struct {
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inURL string
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outURL string
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}{
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{
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// Nothing should change if the input URL is not on localhost, even if the port is our listening port.
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inURL: "http://somehost:9090/metrics",
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outURL: "http://somehost:9090/metrics",
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},
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{
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// Port and host should change if target is on localhost and port is our listening port.
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inURL: "http://localhost:9090/metrics",
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outURL: "https://externalhost:80/metrics",
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},
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{
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// Only the host should change if the port is not our listening port, but the host is localhost.
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inURL: "http://localhost:8000/metrics",
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outURL: "http://externalhost:8000/metrics",
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},
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{
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// Alternative localhost representations should also work.
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inURL: "http://127.0.0.1:9090/metrics",
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outURL: "https://externalhost:80/metrics",
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},
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}
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for _, test := range tests {
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inURL, err := url.Parse(test.inURL)
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testutil.Ok(t, err)
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globalURL := tmplFuncs("", opts)["globalURL"].(func(u *url.URL) *url.URL)
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outURL := globalURL(inURL)
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testutil.Equals(t, test.outURL, outURL.String())
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}
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}
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func TestReadyAndHealthy(t *testing.T) {
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t.Parallel()
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dbDir, err := ioutil.TempDir("", "tsdb-ready")
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testutil.Ok(t, err)
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defer os.RemoveAll(dbDir)
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db, err := libtsdb.Open(dbDir, nil, nil, nil)
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testutil.Ok(t, err)
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opts := &Options{
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ListenAddress: ":9090",
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ReadTimeout: 30 * time.Second,
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MaxConnections: 512,
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Context: nil,
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Storage: &tsdb.ReadyStorage{},
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QueryEngine: nil,
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ScrapeManager: nil,
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RuleManager: nil,
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Notifier: nil,
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RoutePrefix: "/",
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EnableAdminAPI: true,
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TSDB: func() *libtsdb.DB { return db },
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ExternalURL: &url.URL{
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Scheme: "http",
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Host: "localhost:9090",
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Path: "/",
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},
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Version: &PrometheusVersion{},
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}
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opts.Flags = map[string]string{}
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webHandler := New(nil, opts)
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go func() {
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err := webHandler.Run(context.Background())
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if err != nil {
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panic(fmt.Sprintf("Can't start web handler:%s", err))
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}
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}()
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// Give some time for the web goroutine to run since we need the server
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// to be up before starting tests.
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time.Sleep(5 * time.Second)
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resp, err := http.Get("http://localhost:9090/-/healthy")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Get("http://localhost:9090/-/ready")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusServiceUnavailable, resp.StatusCode)
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resp, err = http.Get("http://localhost:9090/version")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusServiceUnavailable, resp.StatusCode)
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resp, err = http.Get("http://localhost:9090/graph")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusServiceUnavailable, resp.StatusCode)
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resp, err = http.Post("http://localhost:9090/api/v2/admin/tsdb/snapshot", "", strings.NewReader(""))
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusServiceUnavailable, resp.StatusCode)
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resp, err = http.Post("http://localhost:9090/api/v2/admin/tsdb/delete_series", "", strings.NewReader("{}"))
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusServiceUnavailable, resp.StatusCode)
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// Set to ready.
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webHandler.Ready()
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resp, err = http.Get("http://localhost:9090/-/healthy")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Get("http://localhost:9090/-/ready")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Get("http://localhost:9090/version")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Get("http://localhost:9090/graph")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Post("http://localhost:9090/api/v2/admin/tsdb/snapshot", "", strings.NewReader(""))
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Post("http://localhost:9090/api/v2/admin/tsdb/delete_series", "", strings.NewReader("{}"))
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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}
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func TestRoutePrefix(t *testing.T) {
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t.Parallel()
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dbDir, err := ioutil.TempDir("", "tsdb-ready")
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testutil.Ok(t, err)
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defer os.RemoveAll(dbDir)
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db, err := libtsdb.Open(dbDir, nil, nil, nil)
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testutil.Ok(t, err)
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opts := &Options{
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ListenAddress: ":9091",
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ReadTimeout: 30 * time.Second,
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MaxConnections: 512,
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Context: nil,
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Storage: &tsdb.ReadyStorage{},
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QueryEngine: nil,
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ScrapeManager: nil,
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RuleManager: nil,
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Notifier: nil,
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RoutePrefix: "/prometheus",
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EnableAdminAPI: true,
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TSDB: func() *libtsdb.DB { return db },
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}
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opts.Flags = map[string]string{}
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webHandler := New(nil, opts)
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go func() {
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err := webHandler.Run(context.Background())
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if err != nil {
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panic(fmt.Sprintf("Can't start web handler:%s", err))
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}
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}()
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// Give some time for the web goroutine to run since we need the server
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// to be up before starting tests.
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time.Sleep(5 * time.Second)
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resp, err := http.Get("http://localhost:9091" + opts.RoutePrefix + "/-/healthy")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Get("http://localhost:9091" + opts.RoutePrefix + "/-/ready")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusServiceUnavailable, resp.StatusCode)
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resp, err = http.Get("http://localhost:9091" + opts.RoutePrefix + "/version")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusServiceUnavailable, resp.StatusCode)
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resp, err = http.Post("http://localhost:9091"+opts.RoutePrefix+"/api/v2/admin/tsdb/snapshot", "", strings.NewReader(""))
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusServiceUnavailable, resp.StatusCode)
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resp, err = http.Post("http://localhost:9091"+opts.RoutePrefix+"/api/v2/admin/tsdb/delete_series", "", strings.NewReader("{}"))
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusServiceUnavailable, resp.StatusCode)
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// Set to ready.
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webHandler.Ready()
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resp, err = http.Get("http://localhost:9091" + opts.RoutePrefix + "/-/healthy")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Get("http://localhost:9091" + opts.RoutePrefix + "/-/ready")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Get("http://localhost:9091" + opts.RoutePrefix + "/version")
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Post("http://localhost:9091"+opts.RoutePrefix+"/api/v2/admin/tsdb/snapshot", "", strings.NewReader(""))
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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resp, err = http.Post("http://localhost:9091"+opts.RoutePrefix+"/api/v2/admin/tsdb/delete_series", "", strings.NewReader("{}"))
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testutil.Ok(t, err)
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testutil.Equals(t, http.StatusOK, resp.StatusCode)
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}
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func TestDebugHandler(t *testing.T) {
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for _, tc := range []struct {
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prefix, url string
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code int
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}{
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{"/", "/debug/pprof/cmdline", 200},
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{"/foo", "/foo/debug/pprof/cmdline", 200},
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{"/", "/debug/pprof/goroutine", 200},
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{"/foo", "/foo/debug/pprof/goroutine", 200},
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{"/", "/debug/pprof/foo", 404},
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{"/foo", "/bar/debug/pprof/goroutine", 404},
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} {
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opts := &Options{
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RoutePrefix: tc.prefix,
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}
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handler := New(nil, opts)
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handler.Ready()
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w := httptest.NewRecorder()
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req, err := http.NewRequest("GET", tc.url, nil)
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testutil.Ok(t, err)
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handler.router.ServeHTTP(w, req)
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testutil.Equals(t, tc.code, w.Code)
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}
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}
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