mirror of
https://github.com/prometheus/prometheus
synced 2024-12-27 00:53:12 +00:00
204 lines
8.0 KiB
Go
204 lines
8.0 KiB
Go
// Copyright 2021 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 puppetdb
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"net/http/httptest"
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"testing"
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"time"
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"github.com/go-kit/log"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/common/config"
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"github.com/prometheus/common/model"
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"github.com/stretchr/testify/require"
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"github.com/prometheus/prometheus/discovery/targetgroup"
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)
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func mockServer(t *testing.T) *httptest.Server {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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var request struct {
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Query string `json:"query"`
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}
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err := json.NewDecoder(r.Body).Decode(&request)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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http.ServeFile(w, r, "fixtures/"+request.Query+".json")
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}))
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t.Cleanup(ts.Close)
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return ts
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}
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func TestPuppetSlashInURL(t *testing.T) {
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tests := map[string]string{
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"https://puppetserver": "https://puppetserver/pdb/query/v4",
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"https://puppetserver/": "https://puppetserver/pdb/query/v4",
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"http://puppetserver:8080/": "http://puppetserver:8080/pdb/query/v4",
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"http://puppetserver:8080": "http://puppetserver:8080/pdb/query/v4",
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}
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for serverURL, apiURL := range tests {
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cfg := SDConfig{
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HTTPClientConfig: config.DefaultHTTPClientConfig,
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URL: serverURL,
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Query: "vhosts", // This is not a valid PuppetDB query, but it is used by the mock.
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Port: 80,
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RefreshInterval: model.Duration(30 * time.Second),
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}
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d, err := NewDiscovery(&cfg, log.NewNopLogger(), prometheus.NewRegistry())
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require.NoError(t, err)
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require.Equal(t, apiURL, d.url)
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}
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}
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func TestPuppetDBRefresh(t *testing.T) {
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ts := mockServer(t)
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cfg := SDConfig{
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HTTPClientConfig: config.DefaultHTTPClientConfig,
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URL: ts.URL,
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Query: "vhosts", // This is not a valid PuppetDB query, but it is used by the mock.
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Port: 80,
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RefreshInterval: model.Duration(30 * time.Second),
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}
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d, err := NewDiscovery(&cfg, log.NewNopLogger(), prometheus.NewRegistry())
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require.NoError(t, err)
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ctx := context.Background()
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tgs, err := d.refresh(ctx)
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require.NoError(t, err)
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expectedTargets := []*targetgroup.Group{
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{
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Targets: []model.LabelSet{
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{
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model.AddressLabel: model.LabelValue("edinburgh.example.com:80"),
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model.LabelName("__meta_puppetdb_query"): model.LabelValue("vhosts"),
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model.LabelName("__meta_puppetdb_certname"): model.LabelValue("edinburgh.example.com"),
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model.LabelName("__meta_puppetdb_environment"): model.LabelValue("prod"),
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model.LabelName("__meta_puppetdb_exported"): model.LabelValue("false"),
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model.LabelName("__meta_puppetdb_file"): model.LabelValue("/etc/puppetlabs/code/environments/prod/modules/upstream/apache/manifests/init.pp"),
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model.LabelName("__meta_puppetdb_resource"): model.LabelValue("49af83866dc5a1518968b68e58a25319107afe11"),
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model.LabelName("__meta_puppetdb_tags"): model.LabelValue(",roles::hypervisor,apache,apache::vhost,class,default-ssl,profile_hypervisor,vhost,profile_apache,hypervisor,__node_regexp__edinburgh,roles,node,"),
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model.LabelName("__meta_puppetdb_title"): model.LabelValue("default-ssl"),
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model.LabelName("__meta_puppetdb_type"): model.LabelValue("Apache::Vhost"),
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},
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},
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Source: ts.URL + "/pdb/query/v4?query=vhosts",
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},
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}
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require.Equal(t, expectedTargets, tgs)
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}
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func TestPuppetDBRefreshWithParameters(t *testing.T) {
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ts := mockServer(t)
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cfg := SDConfig{
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HTTPClientConfig: config.DefaultHTTPClientConfig,
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URL: ts.URL,
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Query: "vhosts", // This is not a valid PuppetDB query, but it is used by the mock.
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Port: 80,
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IncludeParameters: true,
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RefreshInterval: model.Duration(30 * time.Second),
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}
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d, err := NewDiscovery(&cfg, log.NewNopLogger(), prometheus.NewRegistry())
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require.NoError(t, err)
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ctx := context.Background()
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tgs, err := d.refresh(ctx)
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require.NoError(t, err)
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expectedTargets := []*targetgroup.Group{
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{
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Targets: []model.LabelSet{
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{
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model.AddressLabel: model.LabelValue("edinburgh.example.com:80"),
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model.LabelName("__meta_puppetdb_query"): model.LabelValue("vhosts"),
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model.LabelName("__meta_puppetdb_certname"): model.LabelValue("edinburgh.example.com"),
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model.LabelName("__meta_puppetdb_environment"): model.LabelValue("prod"),
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model.LabelName("__meta_puppetdb_exported"): model.LabelValue("false"),
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model.LabelName("__meta_puppetdb_file"): model.LabelValue("/etc/puppetlabs/code/environments/prod/modules/upstream/apache/manifests/init.pp"),
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model.LabelName("__meta_puppetdb_parameter_access_log"): model.LabelValue("true"),
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model.LabelName("__meta_puppetdb_parameter_access_log_file"): model.LabelValue("ssl_access_log"),
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model.LabelName("__meta_puppetdb_parameter_buckets"): model.LabelValue("0,2,5"),
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model.LabelName("__meta_puppetdb_parameter_coordinates"): model.LabelValue("60.13464726551357,-2.0513768021728893"),
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model.LabelName("__meta_puppetdb_parameter_docroot"): model.LabelValue("/var/www/html"),
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model.LabelName("__meta_puppetdb_parameter_ensure"): model.LabelValue("absent"),
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model.LabelName("__meta_puppetdb_parameter_labels_alias"): model.LabelValue("edinburgh"),
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model.LabelName("__meta_puppetdb_parameter_options"): model.LabelValue("Indexes,FollowSymLinks,MultiViews"),
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model.LabelName("__meta_puppetdb_parameter_pi"): model.LabelValue("3.141592653589793"),
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model.LabelName("__meta_puppetdb_parameter_port"): model.LabelValue("22"),
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model.LabelName("__meta_puppetdb_resource"): model.LabelValue("49af83866dc5a1518968b68e58a25319107afe11"),
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model.LabelName("__meta_puppetdb_tags"): model.LabelValue(",roles::hypervisor,apache,apache::vhost,class,default-ssl,profile_hypervisor,vhost,profile_apache,hypervisor,__node_regexp__edinburgh,roles,node,"),
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model.LabelName("__meta_puppetdb_title"): model.LabelValue("default-ssl"),
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model.LabelName("__meta_puppetdb_type"): model.LabelValue("Apache::Vhost"),
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},
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},
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Source: ts.URL + "/pdb/query/v4?query=vhosts",
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},
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}
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require.Equal(t, expectedTargets, tgs)
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}
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func TestPuppetDBInvalidCode(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusBadRequest)
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}))
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t.Cleanup(ts.Close)
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cfg := SDConfig{
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HTTPClientConfig: config.DefaultHTTPClientConfig,
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URL: ts.URL,
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RefreshInterval: model.Duration(30 * time.Second),
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}
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d, err := NewDiscovery(&cfg, log.NewNopLogger(), prometheus.NewRegistry())
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require.NoError(t, err)
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ctx := context.Background()
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_, err = d.refresh(ctx)
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require.EqualError(t, err, "server returned HTTP status 400 Bad Request")
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}
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func TestPuppetDBInvalidFormat(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, "{}")
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}))
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t.Cleanup(ts.Close)
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cfg := SDConfig{
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HTTPClientConfig: config.DefaultHTTPClientConfig,
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URL: ts.URL,
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RefreshInterval: model.Duration(30 * time.Second),
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}
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d, err := NewDiscovery(&cfg, log.NewNopLogger(), prometheus.NewRegistry())
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require.NoError(t, err)
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ctx := context.Background()
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_, err = d.refresh(ctx)
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require.EqualError(t, err, "unsupported content type text/plain; charset=utf-8")
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}
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