mirror of
https://github.com/prometheus/prometheus.git
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214 lines
9 KiB
Go
214 lines
9 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/stretchr/testify/require"
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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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require.NoError(t, err)
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require.Len(t, apps.Applications, 2)
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require.Equal(t, "CONFIG-SERVICE", apps.Applications[0].Name)
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require.Equal(t, "META-SERVICE", apps.Applications[1].Name)
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require.Len(t, apps.Applications[1].Instances, 2)
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require.Equal(t, "meta-service002.test.com:meta-service:8080", apps.Applications[1].Instances[0].InstanceID)
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require.Equal(t, "project", apps.Applications[1].Instances[0].Metadata.Items[0].XMLName.Local)
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require.Equal(t, "meta-service", apps.Applications[1].Instances[0].Metadata.Items[0].Content)
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require.Equal(t, "management.port", apps.Applications[1].Instances[0].Metadata.Items[1].XMLName.Local)
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require.Equal(t, "8090", apps.Applications[1].Instances[0].Metadata.Items[1].Content)
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require.Equal(t, "meta-service001.test.com:meta-service:8080", apps.Applications[1].Instances[1].InstanceID)
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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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require.Error(t, err, "5xx HTTP response")
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}
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