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6c56a1faaa
* Testify: move to require Moving testify to require to fail tests early in case of errors. Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu> * More moves Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
247 lines
9.2 KiB
Go
247 lines
9.2 KiB
Go
// 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/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 testUpdateServices(respHandler http.HandlerFunc) ([]*targetgroup.Group, error) {
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// Create a test server with mock HTTP handler.
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ts := httptest.NewServer(respHandler)
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defer ts.Close()
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conf := SDConfig{
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Server: ts.URL,
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}
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md, err := NewDiscovery(&conf, nil)
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if err != nil {
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return nil, err
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}
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return md.refresh(context.Background())
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}
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func TestEurekaSDHandleError(t *testing.T) {
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var (
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errTesting = "non 2xx status '500' response during eureka service discovery"
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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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)
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tgs, err := testUpdateServices(respHandler)
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require.EqualError(t, err, errTesting)
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require.Equal(t, len(tgs), 0)
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}
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func TestEurekaSDEmptyList(t *testing.T) {
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var (
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appsXML = `<applications>
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<versions__delta>1</versions__delta>
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<apps__hashcode/>
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</applications>`
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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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)
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tgs, err := testUpdateServices(respHandler)
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require.NoError(t, err)
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require.Equal(t, len(tgs), 1)
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}
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func TestEurekaSDSendGroup(t *testing.T) {
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var (
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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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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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)
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tgs, err := testUpdateServices(respHandler)
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require.NoError(t, err)
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require.Equal(t, len(tgs), 1)
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tg := tgs[0]
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require.Equal(t, tg.Source, "eureka")
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require.Equal(t, len(tg.Targets), 4)
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tgt := tg.Targets[0]
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require.Equal(t, tgt[model.AddressLabel], model.LabelValue("config-service001.test.com:8080"))
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tgt = tg.Targets[2]
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require.Equal(t, tgt[model.AddressLabel], model.LabelValue("meta-service002.test.com:8080"))
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}
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