mirror of https://github.com/prometheus/prometheus
kangwoo
4 years ago
committed by
GitHub
parent
cfd4e05c9e
commit
7c0d5ae4e7
@ -0,0 +1,5 @@
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scrape_configs:
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- job_name: eureka
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eureka_sd_configs:
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- server: eureka.com
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@ -0,0 +1,5 @@
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scrape_configs:
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- job_name: eureka
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eureka_sd_configs:
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- server:
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@ -0,0 +1,110 @@
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// Copyright 2020 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 eureka
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import (
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"context"
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"encoding/xml"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"github.com/pkg/errors"
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)
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type Applications struct {
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VersionsDelta int `xml:"versions__delta"`
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AppsHashcode string `xml:"apps__hashcode"`
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Applications []Application `xml:"application"`
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}
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type Application struct {
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Name string `xml:"name"`
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Instances []Instance `xml:"instance"`
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}
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type Port struct {
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Port int `xml:",chardata"`
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Enabled bool `xml:"enabled,attr"`
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}
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type Instance struct {
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HostName string `xml:"hostName"`
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HomePageURL string `xml:"homePageUrl"`
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StatusPageURL string `xml:"statusPageUrl"`
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HealthCheckURL string `xml:"healthCheckUrl"`
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App string `xml:"app"`
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IPAddr string `xml:"ipAddr"`
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VipAddress string `xml:"vipAddress"`
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SecureVipAddress string `xml:"secureVipAddress"`
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Status string `xml:"status"`
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Port *Port `xml:"port"`
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SecurePort *Port `xml:"securePort"`
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DataCenterInfo *DataCenterInfo `xml:"dataCenterInfo"`
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Metadata *MetaData `xml:"metadata"`
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IsCoordinatingDiscoveryServer bool `xml:"isCoordinatingDiscoveryServer"`
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LastUpdatedTimestamp int `xml:"lastUpdatedTimestamp"`
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LastDirtyTimestamp int `xml:"lastDirtyTimestamp"`
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ActionType string `xml:"actionType"`
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CountryID int `xml:"countryId"`
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InstanceID string `xml:"instanceId"`
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}
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type MetaData struct {
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Items []Tag `xml:",any"`
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}
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type Tag struct {
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XMLName xml.Name
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Content string `xml:",innerxml"`
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}
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type DataCenterInfo struct {
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Name string `xml:"name"`
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Class string `xml:"class,attr"`
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Metadata *MetaData `xml:"metadata"`
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}
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const appListPath string = "/apps"
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func fetchApps(ctx context.Context, server string, client *http.Client) (*Applications, error) {
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url := fmt.Sprintf("%s%s", server, appListPath)
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request, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return nil, err
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}
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request = request.WithContext(ctx)
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resp, err := client.Do(request)
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if err != nil {
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return nil, err
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}
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defer func() {
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io.Copy(ioutil.Discard, resp.Body)
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resp.Body.Close()
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}()
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if resp.StatusCode/100 != 2 {
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return nil, errors.Errorf("non 2xx status '%d' response during eureka service discovery", resp.StatusCode)
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}
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var apps Applications
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err = xml.NewDecoder(resp.Body).Decode(&apps)
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if err != nil {
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return nil, errors.Wrapf(err, "%q", url)
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}
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return &apps, nil
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}
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@ -0,0 +1,213 @@
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// Copyright 2020 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 eureka
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import (
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"context"
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"io"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/prometheus/prometheus/util/testutil"
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)
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func TestFetchApps(t *testing.T) {
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appsXML := `<applications>
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<versions__delta>1</versions__delta>
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<apps__hashcode>UP_4_</apps__hashcode>
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<application>
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<name>CONFIG-SERVICE</name>
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<instance>
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<instanceId>config-service001.test.com:config-service:8080</instanceId>
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<hostName>config-service001.test.com</hostName>
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<app>CONFIG-SERVICE</app>
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<ipAddr>192.133.83.31</ipAddr>
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<status>UP</status>
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<overriddenstatus>UNKNOWN</overriddenstatus>
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<port enabled="true">8080</port>
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<securePort enabled="false">8080</securePort>
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<countryId>1</countryId>
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<dataCenterInfo class="com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo">
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<name>MyOwn</name>
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</dataCenterInfo>
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<leaseInfo>
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<renewalIntervalInSecs>30</renewalIntervalInSecs>
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<durationInSecs>90</durationInSecs>
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<registrationTimestamp>1596003469304</registrationTimestamp>
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<lastRenewalTimestamp>1596110179310</lastRenewalTimestamp>
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<evictionTimestamp>0</evictionTimestamp>
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<serviceUpTimestamp>1547190033103</serviceUpTimestamp>
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</leaseInfo>
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<metadata>
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<instanceId>config-service001.test.com:config-service:8080</instanceId>
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</metadata>
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<homePageUrl>http://config-service001.test.com:8080/</homePageUrl>
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<statusPageUrl>http://config-service001.test.com:8080/info</statusPageUrl>
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<healthCheckUrl>http://config-service001.test.com 8080/health</healthCheckUrl>
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<vipAddress>config-service</vipAddress>
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<isCoordinatingDiscoveryServer>false</isCoordinatingDiscoveryServer>
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<lastUpdatedTimestamp>1596003469304</lastUpdatedTimestamp>
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<lastDirtyTimestamp>1596003469304</lastDirtyTimestamp>
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<actionType>ADDED</actionType>
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</instance>
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<instance>
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<instanceId>config-service002.test.com:config-service:8080</instanceId>
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<hostName>config-service002.test.com</hostName>
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<app>CONFIG-SERVICE</app>
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<ipAddr>192.133.83.31</ipAddr>
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<status>UP</status>
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<overriddenstatus>UNKNOWN</overriddenstatus>
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<port enabled="true">8080</port>
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<securePort enabled="false">8080</securePort>
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<countryId>1</countryId>
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<dataCenterInfo class="com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo">
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<name>MyOwn</name>
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</dataCenterInfo>
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<leaseInfo>
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<renewalIntervalInSecs>30</renewalIntervalInSecs>
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<durationInSecs>90</durationInSecs>
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<registrationTimestamp>1596003469304</registrationTimestamp>
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<lastRenewalTimestamp>1596110179310</lastRenewalTimestamp>
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<evictionTimestamp>0</evictionTimestamp>
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<serviceUpTimestamp>1547190033103</serviceUpTimestamp>
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</leaseInfo>
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<metadata>
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<instanceId>config-service002.test.com:config-service:8080</instanceId>
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</metadata>
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<homePageUrl>http://config-service002.test.com:8080/</homePageUrl>
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<statusPageUrl>http://config-service002.test.com:8080/info</statusPageUrl>
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<healthCheckUrl>http://config-service002.test.com:8080/health</healthCheckUrl>
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<vipAddress>config-service</vipAddress>
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<isCoordinatingDiscoveryServer>false</isCoordinatingDiscoveryServer>
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<lastUpdatedTimestamp>1596003469304</lastUpdatedTimestamp>
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<lastDirtyTimestamp>1596003469304</lastDirtyTimestamp>
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<actionType>ADDED</actionType>
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</instance>
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</application>
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<application>
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<name>META-SERVICE</name>
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<instance>
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<instanceId>meta-service002.test.com:meta-service:8080</instanceId>
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<hostName>meta-service002.test.com</hostName>
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<app>META-SERVICE</app>
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<ipAddr>192.133.87.237</ipAddr>
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<status>UP</status>
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<overriddenstatus>UNKNOWN</overriddenstatus>
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<port enabled="true">8080</port>
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<securePort enabled="false">443</securePort>
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<countryId>1</countryId>
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<dataCenterInfo class="com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo">
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<name>MyOwn</name>
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</dataCenterInfo>
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<leaseInfo>
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<renewalIntervalInSecs>30</renewalIntervalInSecs>
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<durationInSecs>90</durationInSecs>
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<registrationTimestamp>1535444352472</registrationTimestamp>
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<lastRenewalTimestamp>1596110168846</lastRenewalTimestamp>
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<evictionTimestamp>0</evictionTimestamp>
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<serviceUpTimestamp>1535444352472</serviceUpTimestamp>
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</leaseInfo>
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<metadata>
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<project>meta-service</project>
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<management.port>8090</management.port>
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</metadata>
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<homePageUrl>http://meta-service002.test.com:8080/</homePageUrl>
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<statusPageUrl>http://meta-service002.test.com:8080/info</statusPageUrl>
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<healthCheckUrl>http://meta-service002.test.com:8080/health</healthCheckUrl>
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<vipAddress>meta-service</vipAddress>
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<secureVipAddress>meta-service</secureVipAddress>
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<isCoordinatingDiscoveryServer>false</isCoordinatingDiscoveryServer>
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<lastUpdatedTimestamp>1535444352472</lastUpdatedTimestamp>
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<lastDirtyTimestamp>1535444352398</lastDirtyTimestamp>
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<actionType>ADDED</actionType>
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</instance>
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<instance>
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<instanceId>meta-service001.test.com:meta-service:8080</instanceId>
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<hostName>meta-service001.test.com</hostName>
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<app>META-SERVICE</app>
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<ipAddr>192.133.87.236</ipAddr>
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<status>UP</status>
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<overriddenstatus>UNKNOWN</overriddenstatus>
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<port enabled="true">8080</port>
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<securePort enabled="false">443</securePort>
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<countryId>1</countryId>
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<dataCenterInfo class="com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo">
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<name>MyOwn</name>
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</dataCenterInfo>
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<leaseInfo>
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<renewalIntervalInSecs>30</renewalIntervalInSecs>
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<durationInSecs>90</durationInSecs>
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<registrationTimestamp>1535444352472</registrationTimestamp>
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<lastRenewalTimestamp>1596110168846</lastRenewalTimestamp>
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<evictionTimestamp>0</evictionTimestamp>
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<serviceUpTimestamp>1535444352472</serviceUpTimestamp>
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</leaseInfo>
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<metadata>
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<project>meta-service</project>
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<management.port>8090</management.port>
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</metadata>
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<homePageUrl>http://meta-service001.test.com:8080/</homePageUrl>
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<statusPageUrl>http://meta-service001.test.com:8080/info</statusPageUrl>
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<healthCheckUrl>http://meta-service001.test.com:8080/health</healthCheckUrl>
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<vipAddress>meta-service</vipAddress>
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<secureVipAddress>meta-service</secureVipAddress>
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<isCoordinatingDiscoveryServer>false</isCoordinatingDiscoveryServer>
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<lastUpdatedTimestamp>1535444352472</lastUpdatedTimestamp>
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<lastDirtyTimestamp>1535444352398</lastDirtyTimestamp>
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<actionType>ADDED</actionType>
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</instance>
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</application>
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</applications>`
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// Simulate apps with a valid XML response.
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respHandler := func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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w.Header().Set("Content-Type", "application/xml")
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io.WriteString(w, appsXML)
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}
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// Create a test server with mock HTTP handler.
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ts := httptest.NewServer(http.HandlerFunc(respHandler))
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defer ts.Close()
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apps, err := fetchApps(context.TODO(), ts.URL, &http.Client{})
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testutil.Ok(t, err)
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testutil.Equals(t, len(apps.Applications), 2)
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testutil.Equals(t, apps.Applications[0].Name, "CONFIG-SERVICE")
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testutil.Equals(t, apps.Applications[1].Name, "META-SERVICE")
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testutil.Equals(t, len(apps.Applications[1].Instances), 2)
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testutil.Equals(t, apps.Applications[1].Instances[0].InstanceID, "meta-service002.test.com:meta-service:8080")
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testutil.Equals(t, apps.Applications[1].Instances[0].Metadata.Items[0].XMLName.Local, "project")
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testutil.Equals(t, apps.Applications[1].Instances[0].Metadata.Items[0].Content, "meta-service")
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testutil.Equals(t, apps.Applications[1].Instances[0].Metadata.Items[1].XMLName.Local, "management.port")
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testutil.Equals(t, apps.Applications[1].Instances[0].Metadata.Items[1].Content, "8090")
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testutil.Equals(t, apps.Applications[1].Instances[1].InstanceID, "meta-service001.test.com:meta-service:8080")
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}
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func Test500ErrorHttpResponse(t *testing.T) {
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// Simulate 500 error.
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respHandler := func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusInternalServerError)
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w.Header().Set("Content-Type", "application/xml")
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io.WriteString(w, ``)
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}
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// Create a test server with mock HTTP handler.
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ts := httptest.NewServer(http.HandlerFunc(respHandler))
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defer ts.Close()
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_, err := fetchApps(context.TODO(), ts.URL, &http.Client{})
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testutil.NotOk(t, err, "5xx HTTP response")
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}
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@ -0,0 +1,220 @@
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// Copyright 2020 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// 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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// http://www.apache.org/licenses/LICENSE-2.0
|
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//
|
||||
// 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.
|
||||
|
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package eureka
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import (
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"context"
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"net"
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"net/http"
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"net/url"
|
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"strconv"
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"time"
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||||
|
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"github.com/go-kit/kit/log"
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"github.com/pkg/errors"
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"github.com/prometheus/common/config"
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"github.com/prometheus/common/model"
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"github.com/prometheus/prometheus/discovery"
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"github.com/prometheus/prometheus/discovery/refresh"
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"github.com/prometheus/prometheus/discovery/targetgroup"
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"github.com/prometheus/prometheus/util/strutil"
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)
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const (
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// metaLabelPrefix is the meta prefix used for all meta labels.
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// in this discovery.
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metaLabelPrefix = model.MetaLabelPrefix + "eureka_"
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metaAppInstanceLabelPrefix = metaLabelPrefix + "app_instance_"
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appNameLabel = metaLabelPrefix + "app_name"
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appInstanceHostNameLabel = metaAppInstanceLabelPrefix + "hostname"
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appInstanceHomePageURLLabel = metaAppInstanceLabelPrefix + "homepage_url"
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appInstanceStatusPageURLLabel = metaAppInstanceLabelPrefix + "statuspage_url"
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appInstanceHealthCheckURLLabel = metaAppInstanceLabelPrefix + "healthcheck_url"
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appInstanceIPAddrLabel = metaAppInstanceLabelPrefix + "ip_addr"
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appInstanceVipAddressLabel = metaAppInstanceLabelPrefix + "vip_address"
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appInstanceSecureVipAddressLabel = metaAppInstanceLabelPrefix + "secure_vip_address"
|
||||
appInstanceStatusLabel = metaAppInstanceLabelPrefix + "status"
|
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appInstancePortLabel = metaAppInstanceLabelPrefix + "port"
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appInstancePortEnabledLabel = metaAppInstanceLabelPrefix + "port_enabled"
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appInstanceSecurePortLabel = metaAppInstanceLabelPrefix + "secure_port"
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appInstanceSecurePortEnabledLabel = metaAppInstanceLabelPrefix + "secure_port_enabled"
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appInstanceDataCenterInfoNameLabel = metaAppInstanceLabelPrefix + "datacenterinfo_name"
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appInstanceDataCenterInfoMetadataPrefix = metaAppInstanceLabelPrefix + "datacenterinfo_metadata_"
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appInstanceCountryIDLabel = metaAppInstanceLabelPrefix + "country_id"
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appInstanceIDLabel = metaAppInstanceLabelPrefix + "id"
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appInstanceMetadataPrefix = metaAppInstanceLabelPrefix + "metadata_"
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)
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// DefaultSDConfig is the default Eureka SD configuration.
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var DefaultSDConfig = SDConfig{
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RefreshInterval: model.Duration(30 * time.Second),
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}
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func init() {
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discovery.RegisterConfig(&SDConfig{})
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}
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|
||||
// SDConfig is the configuration for applications running on Eureka.
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type SDConfig struct {
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||||
Server string `yaml:"server,omitempty"`
|
||||
HTTPClientConfig config.HTTPClientConfig `yaml:",inline"`
|
||||
RefreshInterval model.Duration `yaml:"refresh_interval,omitempty"`
|
||||
}
|
||||
|
||||
// Name returns the name of the Config.
|
||||
func (*SDConfig) Name() string { return "eureka" }
|
||||
|
||||
// NewDiscoverer returns a Discoverer for the Config.
|
||||
func (c *SDConfig) NewDiscoverer(opts discovery.DiscovererOptions) (discovery.Discoverer, error) {
|
||||
return NewDiscovery(c, opts.Logger)
|
||||
}
|
||||
|
||||
// SetDirectory joins any relative file paths with dir.
|
||||
func (c *SDConfig) SetDirectory(dir string) {
|
||||
c.HTTPClientConfig.SetDirectory(dir)
|
||||
}
|
||||
|
||||
// UnmarshalYAML implements the yaml.Unmarshaler interface.
|
||||
func (c *SDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
|
||||
*c = DefaultSDConfig
|
||||
type plain SDConfig
|
||||
err := unmarshal((*plain)(c))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if len(c.Server) == 0 {
|
||||
return errors.New("eureka_sd: empty or null eureka server")
|
||||
}
|
||||
url, err := url.Parse(c.Server)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if len(url.Scheme) == 0 || len(url.Host) == 0 {
|
||||
return errors.New("eureka_sd: invalid eureka server URL")
|
||||
}
|
||||
return c.HTTPClientConfig.Validate()
|
||||
}
|
||||
|
||||
// Discovery provides service discovery based on a Eureka instance.
|
||||
type Discovery struct {
|
||||
*refresh.Discovery
|
||||
client *http.Client
|
||||
server string
|
||||
}
|
||||
|
||||
// New creates a new Eureka discovery for the given role.
|
||||
func NewDiscovery(conf *SDConfig, logger log.Logger) (*Discovery, error) {
|
||||
rt, err := config.NewRoundTripperFromConfig(conf.HTTPClientConfig, "eureka_sd", false, false)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
d := &Discovery{
|
||||
client: &http.Client{Transport: rt},
|
||||
server: conf.Server,
|
||||
}
|
||||
d.Discovery = refresh.NewDiscovery(
|
||||
logger,
|
||||
"eureka",
|
||||
time.Duration(conf.RefreshInterval),
|
||||
d.refresh,
|
||||
)
|
||||
return d, nil
|
||||
}
|
||||
|
||||
func (d *Discovery) refresh(ctx context.Context) ([]*targetgroup.Group, error) {
|
||||
apps, err := fetchApps(ctx, d.server, d.client)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
tg := &targetgroup.Group{
|
||||
Source: "eureka",
|
||||
}
|
||||
|
||||
for _, app := range apps.Applications {
|
||||
targets := targetsForApp(&app)
|
||||
tg.Targets = append(tg.Targets, targets...)
|
||||
}
|
||||
return []*targetgroup.Group{tg}, nil
|
||||
}
|
||||
|
||||
func targetsForApp(app *Application) []model.LabelSet {
|
||||
targets := make([]model.LabelSet, 0, len(app.Instances))
|
||||
|
||||
// Gather info about the app's 'instances'. Each instance is considered a task.
|
||||
for _, t := range app.Instances {
|
||||
var targetAddress string
|
||||
if t.Port != nil {
|
||||
targetAddress = net.JoinHostPort(t.HostName, strconv.Itoa(t.Port.Port))
|
||||
} else {
|
||||
targetAddress = net.JoinHostPort(t.HostName, "80")
|
||||
}
|
||||
|
||||
target := model.LabelSet{
|
||||
model.AddressLabel: lv(targetAddress),
|
||||
model.InstanceLabel: lv(t.InstanceID),
|
||||
|
||||
appNameLabel: lv(app.Name),
|
||||
appInstanceHostNameLabel: lv(t.HostName),
|
||||
appInstanceHomePageURLLabel: lv(t.HomePageURL),
|
||||
appInstanceStatusPageURLLabel: lv(t.StatusPageURL),
|
||||
appInstanceHealthCheckURLLabel: lv(t.HealthCheckURL),
|
||||
appInstanceIPAddrLabel: lv(t.IPAddr),
|
||||
appInstanceVipAddressLabel: lv(t.VipAddress),
|
||||
appInstanceSecureVipAddressLabel: lv(t.SecureVipAddress),
|
||||
appInstanceStatusLabel: lv(t.Status),
|
||||
appInstanceCountryIDLabel: lv(strconv.Itoa(t.CountryID)),
|
||||
appInstanceIDLabel: lv(t.InstanceID),
|
||||
}
|
||||
|
||||
if t.Port != nil {
|
||||
target[appInstancePortLabel] = lv(strconv.Itoa(t.Port.Port))
|
||||
target[appInstancePortEnabledLabel] = lv(strconv.FormatBool(t.Port.Enabled))
|
||||
}
|
||||
|
||||
if t.SecurePort != nil {
|
||||
target[appInstanceSecurePortLabel] = lv(strconv.Itoa(t.SecurePort.Port))
|
||||
target[appInstanceSecurePortEnabledLabel] = lv(strconv.FormatBool(t.SecurePort.Enabled))
|
||||
}
|
||||
|
||||
if t.DataCenterInfo != nil {
|
||||
target[appInstanceDataCenterInfoNameLabel] = lv(t.DataCenterInfo.Name)
|
||||
|
||||
if t.DataCenterInfo.Metadata != nil {
|
||||
for _, m := range t.DataCenterInfo.Metadata.Items {
|
||||
ln := strutil.SanitizeLabelName(m.XMLName.Local)
|
||||
target[model.LabelName(appInstanceDataCenterInfoMetadataPrefix+ln)] = lv(m.Content)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if t.Metadata != nil {
|
||||
for _, m := range t.Metadata.Items {
|
||||
ln := strutil.SanitizeLabelName(m.XMLName.Local)
|
||||
target[model.LabelName(appInstanceMetadataPrefix+ln)] = lv(m.Content)
|
||||
}
|
||||
}
|
||||
|
||||
targets = append(targets, target)
|
||||
|
||||
}
|
||||
return targets
|
||||
}
|
||||
|
||||
func lv(s string) model.LabelValue {
|
||||
return model.LabelValue(s)
|
||||
}
|
||||
@ -0,0 +1,246 @@
|
||||
// Copyright 2020 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 eureka
|
||||
|
||||
import (
|
||||
"context"
|
||||
"github.com/prometheus/prometheus/util/testutil"
|
||||
"io"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"testing"
|
||||
|
||||
"github.com/pkg/errors"
|
||||
"github.com/prometheus/common/model"
|
||||
"github.com/prometheus/prometheus/discovery/targetgroup"
|
||||
)
|
||||
|
||||
func testUpdateServices(respHandler http.HandlerFunc) ([]*targetgroup.Group, error) {
|
||||
// Create a test server with mock HTTP handler.
|
||||
ts := httptest.NewServer(respHandler)
|
||||
defer ts.Close()
|
||||
|
||||
conf := SDConfig{
|
||||
Server: ts.URL,
|
||||
}
|
||||
|
||||
md, err := NewDiscovery(&conf, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return md.refresh(context.Background())
|
||||
}
|
||||
|
||||
func TestEurekaSDHandleError(t *testing.T) {
|
||||
var (
|
||||
errTesting = errors.Errorf("non 2xx status '%d' response during eureka service discovery", http.StatusInternalServerError)
|
||||
respHandler = func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
w.Header().Set("Content-Type", "application/xml")
|
||||
io.WriteString(w, ``)
|
||||
}
|
||||
)
|
||||
tgs, err := testUpdateServices(respHandler)
|
||||
|
||||
testutil.ErrorEqual(t, err, errTesting)
|
||||
testutil.Equals(t, len(tgs), 0)
|
||||
}
|
||||
|
||||
func TestEurekaSDEmptyList(t *testing.T) {
|
||||
var (
|
||||
appsXML = `<applications>
|
||||
<versions__delta>1</versions__delta>
|
||||
<apps__hashcode/>
|
||||
</applications>`
|
||||
respHandler = func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusOK)
|
||||
w.Header().Set("Content-Type", "application/xml")
|
||||
io.WriteString(w, appsXML)
|
||||
}
|
||||
)
|
||||
tgs, err := testUpdateServices(respHandler)
|
||||
testutil.Ok(t, err)
|
||||
testutil.Equals(t, len(tgs), 1)
|
||||
}
|
||||
|
||||
func TestEurekaSDSendGroup(t *testing.T) {
|
||||
var (
|
||||
appsXML = `<applications>
|
||||
<versions__delta>1</versions__delta>
|
||||
<apps__hashcode>UP_4_</apps__hashcode>
|
||||
<application>
|
||||
<name>CONFIG-SERVICE</name>
|
||||
<instance>
|
||||
<instanceId>config-service001.test.com:config-service:8080</instanceId>
|
||||
<hostName>config-service001.test.com</hostName>
|
||||
<app>CONFIG-SERVICE</app>
|
||||
<ipAddr>192.133.83.31</ipAddr>
|
||||
<status>UP</status>
|
||||
<overriddenstatus>UNKNOWN</overriddenstatus>
|
||||
<port enabled="true">8080</port>
|
||||
<securePort enabled="false">8080</securePort>
|
||||
<countryId>1</countryId>
|
||||
<dataCenterInfo class="com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo">
|
||||
<name>MyOwn</name>
|
||||
</dataCenterInfo>
|
||||
<leaseInfo>
|
||||
<renewalIntervalInSecs>30</renewalIntervalInSecs>
|
||||
<durationInSecs>90</durationInSecs>
|
||||
<registrationTimestamp>1596003469304</registrationTimestamp>
|
||||
<lastRenewalTimestamp>1596110179310</lastRenewalTimestamp>
|
||||
<evictionTimestamp>0</evictionTimestamp>
|
||||
<serviceUpTimestamp>1547190033103</serviceUpTimestamp>
|
||||
</leaseInfo>
|
||||
<metadata>
|
||||
<instanceId>config-service001.test.com:config-service:8080</instanceId>
|
||||
</metadata>
|
||||
<homePageUrl>http://config-service001.test.com:8080/</homePageUrl>
|
||||
<statusPageUrl>http://config-service001.test.com:8080/info</statusPageUrl>
|
||||
<healthCheckUrl>http://config-service001.test.com 8080/health</healthCheckUrl>
|
||||
<vipAddress>config-service</vipAddress>
|
||||
<isCoordinatingDiscoveryServer>false</isCoordinatingDiscoveryServer>
|
||||
<lastUpdatedTimestamp>1596003469304</lastUpdatedTimestamp>
|
||||
<lastDirtyTimestamp>1596003469304</lastDirtyTimestamp>
|
||||
<actionType>ADDED</actionType>
|
||||
</instance>
|
||||
<instance>
|
||||
<instanceId>config-service002.test.com:config-service:8080</instanceId>
|
||||
<hostName>config-service002.test.com</hostName>
|
||||
<app>CONFIG-SERVICE</app>
|
||||
<ipAddr>192.133.83.31</ipAddr>
|
||||
<status>UP</status>
|
||||
<overriddenstatus>UNKNOWN</overriddenstatus>
|
||||
<port enabled="true">8080</port>
|
||||
<securePort enabled="false">8080</securePort>
|
||||
<countryId>1</countryId>
|
||||
<dataCenterInfo class="com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo">
|
||||
<name>MyOwn</name>
|
||||
</dataCenterInfo>
|
||||
<leaseInfo>
|
||||
<renewalIntervalInSecs>30</renewalIntervalInSecs>
|
||||
<durationInSecs>90</durationInSecs>
|
||||
<registrationTimestamp>1596003469304</registrationTimestamp>
|
||||
<lastRenewalTimestamp>1596110179310</lastRenewalTimestamp>
|
||||
<evictionTimestamp>0</evictionTimestamp>
|
||||
<serviceUpTimestamp>1547190033103</serviceUpTimestamp>
|
||||
</leaseInfo>
|
||||
<metadata>
|
||||
<instanceId>config-service002.test.com:config-service:8080</instanceId>
|
||||
</metadata>
|
||||
<homePageUrl>http://config-service002.test.com:8080/</homePageUrl>
|
||||
<statusPageUrl>http://config-service002.test.com:8080/info</statusPageUrl>
|
||||
<healthCheckUrl>http://config-service002.test.com:8080/health</healthCheckUrl>
|
||||
<vipAddress>config-service</vipAddress>
|
||||
<isCoordinatingDiscoveryServer>false</isCoordinatingDiscoveryServer>
|
||||
<lastUpdatedTimestamp>1596003469304</lastUpdatedTimestamp>
|
||||
<lastDirtyTimestamp>1596003469304</lastDirtyTimestamp>
|
||||
<actionType>ADDED</actionType>
|
||||
</instance>
|
||||
</application>
|
||||
<application>
|
||||
<name>META-SERVICE</name>
|
||||
<instance>
|
||||
<instanceId>meta-service002.test.com:meta-service:8080</instanceId>
|
||||
<hostName>meta-service002.test.com</hostName>
|
||||
<app>META-SERVICE</app>
|
||||
<ipAddr>192.133.87.237</ipAddr>
|
||||
<status>UP</status>
|
||||
<overriddenstatus>UNKNOWN</overriddenstatus>
|
||||
<port enabled="true">8080</port>
|
||||
<securePort enabled="false">443</securePort>
|
||||
<countryId>1</countryId>
|
||||
<dataCenterInfo class="com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo">
|
||||
<name>MyOwn</name>
|
||||
</dataCenterInfo>
|
||||
<leaseInfo>
|
||||
<renewalIntervalInSecs>30</renewalIntervalInSecs>
|
||||
<durationInSecs>90</durationInSecs>
|
||||
<registrationTimestamp>1535444352472</registrationTimestamp>
|
||||
<lastRenewalTimestamp>1596110168846</lastRenewalTimestamp>
|
||||
<evictionTimestamp>0</evictionTimestamp>
|
||||
<serviceUpTimestamp>1535444352472</serviceUpTimestamp>
|
||||
</leaseInfo>
|
||||
<metadata>
|
||||
<project>meta-service</project>
|
||||
<management.port>8090</management.port>
|
||||
</metadata>
|
||||
<homePageUrl>http://meta-service002.test.com:8080/</homePageUrl>
|
||||
<statusPageUrl>http://meta-service002.test.com:8080/info</statusPageUrl>
|
||||
<healthCheckUrl>http://meta-service002.test.com:8080/health</healthCheckUrl>
|
||||
<vipAddress>meta-service</vipAddress>
|
||||
<secureVipAddress>meta-service</secureVipAddress>
|
||||
<isCoordinatingDiscoveryServer>false</isCoordinatingDiscoveryServer>
|
||||
<lastUpdatedTimestamp>1535444352472</lastUpdatedTimestamp>
|
||||
<lastDirtyTimestamp>1535444352398</lastDirtyTimestamp>
|
||||
<actionType>ADDED</actionType>
|
||||
</instance>
|
||||
<instance>
|
||||
<instanceId>meta-service001.test.com:meta-service:8080</instanceId>
|
||||
<hostName>meta-service001.test.com</hostName>
|
||||
<app>META-SERVICE</app>
|
||||
<ipAddr>192.133.87.236</ipAddr>
|
||||
<status>UP</status>
|
||||
<overriddenstatus>UNKNOWN</overriddenstatus>
|
||||
<port enabled="true">8080</port>
|
||||
<securePort enabled="false">443</securePort>
|
||||
<countryId>1</countryId>
|
||||
<dataCenterInfo class="com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo">
|
||||
<name>MyOwn</name>
|
||||
</dataCenterInfo>
|
||||
<leaseInfo>
|
||||
<renewalIntervalInSecs>30</renewalIntervalInSecs>
|
||||
<durationInSecs>90</durationInSecs>
|
||||
<registrationTimestamp>1535444352472</registrationTimestamp>
|
||||
<lastRenewalTimestamp>1596110168846</lastRenewalTimestamp>
|
||||
<evictionTimestamp>0</evictionTimestamp>
|
||||
<serviceUpTimestamp>1535444352472</serviceUpTimestamp>
|
||||
</leaseInfo>
|
||||
<metadata>
|
||||
<project>meta-service</project>
|
||||
<management.port>8090</management.port>
|
||||
</metadata>
|
||||
<homePageUrl>http://meta-service001.test.com:8080/</homePageUrl>
|
||||
<statusPageUrl>http://meta-service001.test.com:8080/info</statusPageUrl>
|
||||
<healthCheckUrl>http://meta-service001.test.com:8080/health</healthCheckUrl>
|
||||
<vipAddress>meta-service</vipAddress>
|
||||
<secureVipAddress>meta-service</secureVipAddress>
|
||||
<isCoordinatingDiscoveryServer>false</isCoordinatingDiscoveryServer>
|
||||
<lastUpdatedTimestamp>1535444352472</lastUpdatedTimestamp>
|
||||
<lastDirtyTimestamp>1535444352398</lastDirtyTimestamp>
|
||||
<actionType>ADDED</actionType>
|
||||
</instance>
|
||||
</application>
|
||||
</applications>`
|
||||
respHandler = func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusOK)
|
||||
w.Header().Set("Content-Type", "application/xml")
|
||||
io.WriteString(w, appsXML)
|
||||
}
|
||||
)
|
||||
|
||||
tgs, err := testUpdateServices(respHandler)
|
||||
testutil.Ok(t, err)
|
||||
testutil.Equals(t, len(tgs), 1)
|
||||
|
||||
tg := tgs[0]
|
||||
testutil.Equals(t, tg.Source, "eureka")
|
||||
testutil.Equals(t, len(tg.Targets), 4)
|
||||
|
||||
tgt := tg.Targets[0]
|
||||
testutil.Equals(t, tgt[model.AddressLabel], model.LabelValue("config-service001.test.com:8080"))
|
||||
|
||||
tgt = tg.Targets[2]
|
||||
testutil.Equals(t, tgt[model.AddressLabel], model.LabelValue("meta-service002.test.com:8080"))
|
||||
}
|
||||
@ -0,0 +1,66 @@
|
||||
# A example scrape configuration for running Prometheus with Eureka.
|
||||
|
||||
scrape_configs:
|
||||
|
||||
# Make Prometheus scrape itself for metrics.
|
||||
- job_name: 'prometheus'
|
||||
static_configs:
|
||||
- targets: ['localhost:9090']
|
||||
|
||||
# Discover Eureka services to scrape.
|
||||
- job_name: 'eureka'
|
||||
|
||||
# Scrape Eureka itself to discover new services.
|
||||
eureka_sd_configs:
|
||||
- server: http://localhost:8761/eureka
|
||||
|
||||
relabel_configs:
|
||||
# You can use Eureka's application instance metadata.
|
||||
# If you are using SpringBoot, you can add metadata using eureka.instance.metadataMap like this:
|
||||
# application.yaml (spring-boot)
|
||||
# eureka:
|
||||
# instance:
|
||||
# metadataMap:
|
||||
# "prometheus.scrape": "true"
|
||||
# "prometheus.path": "/actuator/prometheus"
|
||||
# "prometheus.port": "8080"
|
||||
#
|
||||
#
|
||||
# Example relabel to scrape only application that have
|
||||
# "prometheus.scrape = true" metadata.
|
||||
# - source_labels: [__meta_eureka_app_instance_metadata_prometheus_scrape]
|
||||
# action: keep
|
||||
# regex: true
|
||||
#
|
||||
# application.yaml (spring-boot)
|
||||
# eureka:
|
||||
# instance:
|
||||
# metadataMap:
|
||||
# "prometheus.scrape": "true"
|
||||
#
|
||||
# Example relabel to customize metric path based on application
|
||||
# "prometheus.path = <metric path>" annotation.
|
||||
# - source_labels: [__meta_eureka_app_instance_metadata_prometheus_path]
|
||||
# action: replace
|
||||
# target_label: __metrics_path__
|
||||
# regex: (.+)
|
||||
#
|
||||
# application.yaml (spring-boot)
|
||||
# eureka:
|
||||
# instance:
|
||||
# metadataMap:
|
||||
# "prometheus.path": "/actuator/prometheus"
|
||||
#
|
||||
# Example relabel to scrape only single, desired port for the application
|
||||
# based on application "prometheus.port = <port>" metadata.
|
||||
# - source_labels: [__address__, __meta_eureka_app_instance_metadata_prometheus_port]
|
||||
# action: replace
|
||||
# regex: ([^:]+)(?::\d+)?;(\d+)
|
||||
# replacement: $1:$2
|
||||
# target_label: __address__
|
||||
#
|
||||
# application.yaml (spring-boot)
|
||||
# eureka:
|
||||
# instance:
|
||||
# metadataMap:
|
||||
# "prometheus.port": "8080"
|
||||
Loading…
Reference in new issue