8849878bab
Automatic merge from submit-queue (batch tested with PRs 50447, 53308). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. [e2e] add service session affinity test case **What this PR does / why we need it**: **Which issue this PR fixes**: Add service session affinity test case for e2e fixes #31712 **Special notes for your reviewer**: **Release note**: ```release-note NONE ```
252 lines
12 KiB
Go
252 lines
12 KiB
Go
/*
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Copyright 2014 The Kubernetes 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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package network
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import (
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"fmt"
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"net/http"
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"time"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/kubernetes/pkg/master/ports"
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"k8s.io/kubernetes/test/e2e/framework"
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. "github.com/onsi/ginkgo"
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)
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var _ = SIGDescribe("Networking", func() {
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var svcname = "nettest"
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f := framework.NewDefaultFramework(svcname)
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BeforeEach(func() {
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// Assert basic external connectivity.
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// Since this is not really a test of kubernetes in any way, we
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// leave it as a pre-test assertion, rather than a Ginko test.
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By("Executing a successful http request from the external internet")
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resp, err := http.Get("http://google.com")
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if err != nil {
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framework.Failf("Unable to connect/talk to the internet: %v", err)
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}
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if resp.StatusCode != http.StatusOK {
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framework.Failf("Unexpected error code, expected 200, got, %v (%v)", resp.StatusCode, resp)
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}
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})
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It("should provide Internet connection for containers [Feature:Networking-IPv4]", func() {
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By("Running container which tries to ping 8.8.8.8")
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framework.ExpectNoError(
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framework.CheckConnectivityToHost(f, "", "ping-test", "8.8.8.8", framework.IPv4PingCommand, 30))
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})
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It("should provide Internet connection for containers [Feature:Networking-IPv6][Experimental]", func() {
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By("Running container which tries to ping google.com")
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framework.ExpectNoError(
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framework.CheckConnectivityToHost(f, "", "ping-test", "google.com", framework.IPv6PingCommand, 30))
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})
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// First test because it has no dependencies on variables created later on.
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It("should provide unchanging, static URL paths for kubernetes api services", func() {
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tests := []struct {
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path string
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}{
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{path: "/healthz"},
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{path: "/api"},
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{path: "/apis"},
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{path: "/metrics"},
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{path: "/swaggerapi"},
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{path: "/version"},
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// TODO: test proxy links here
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}
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if !framework.ProviderIs("gke", "skeleton") {
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tests = append(tests, struct{ path string }{path: "/logs"})
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}
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for _, test := range tests {
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By(fmt.Sprintf("testing: %s", test.path))
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data, err := f.ClientSet.Core().RESTClient().Get().
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AbsPath(test.path).
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DoRaw()
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if err != nil {
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framework.Failf("Failed: %v\nBody: %s", err, string(data))
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}
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}
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})
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It("should check kube-proxy urls", func() {
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// TODO: this is overkill we just need the host networking pod
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// to hit kube-proxy urls.
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config := framework.NewNetworkingTestConfig(f)
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By("checking kube-proxy URLs")
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config.GetSelfURL(ports.ProxyHealthzPort, "/healthz", "200 OK")
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// Verify /healthz returns the proper content.
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config.GetSelfURL(ports.ProxyHealthzPort, "/healthz", "lastUpdated")
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// Verify /proxyMode returns http status code 200.
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config.GetSelfURLStatusCode(ports.ProxyStatusPort, "/proxyMode", "200")
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})
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// TODO: Remove [Slow] when this has had enough bake time to prove presubmit worthiness.
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Describe("Granular Checks: Services [Slow]", func() {
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It("should function for pod-Service: http", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(http) %v --> %v:%v (config.clusterIP)", config.TestContainerPod.Name, config.ClusterIP, framework.ClusterHttpPort))
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config.DialFromTestContainer("http", config.ClusterIP, framework.ClusterHttpPort, config.MaxTries, 0, config.EndpointHostnames())
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By(fmt.Sprintf("dialing(http) %v --> %v:%v (nodeIP)", config.TestContainerPod.Name, config.ExternalAddrs[0], config.NodeHttpPort))
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config.DialFromTestContainer("http", config.NodeIP, config.NodeHttpPort, config.MaxTries, 0, config.EndpointHostnames())
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})
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It("should function for pod-Service: udp", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(udp) %v --> %v:%v (config.clusterIP)", config.TestContainerPod.Name, config.ClusterIP, framework.ClusterUdpPort))
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config.DialFromTestContainer("udp", config.ClusterIP, framework.ClusterUdpPort, config.MaxTries, 0, config.EndpointHostnames())
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By(fmt.Sprintf("dialing(udp) %v --> %v:%v (nodeIP)", config.TestContainerPod.Name, config.ExternalAddrs[0], config.NodeUdpPort))
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config.DialFromTestContainer("udp", config.NodeIP, config.NodeUdpPort, config.MaxTries, 0, config.EndpointHostnames())
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})
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It("should function for node-Service: http", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(http) %v (node) --> %v:%v (config.clusterIP)", config.NodeIP, config.ClusterIP, framework.ClusterHttpPort))
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config.DialFromNode("http", config.ClusterIP, framework.ClusterHttpPort, config.MaxTries, 0, config.EndpointHostnames())
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By(fmt.Sprintf("dialing(http) %v (node) --> %v:%v (nodeIP)", config.NodeIP, config.NodeIP, config.NodeHttpPort))
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config.DialFromNode("http", config.NodeIP, config.NodeHttpPort, config.MaxTries, 0, config.EndpointHostnames())
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})
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It("should function for node-Service: udp", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(udp) %v (node) --> %v:%v (config.clusterIP)", config.NodeIP, config.ClusterIP, framework.ClusterUdpPort))
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config.DialFromNode("udp", config.ClusterIP, framework.ClusterUdpPort, config.MaxTries, 0, config.EndpointHostnames())
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By(fmt.Sprintf("dialing(udp) %v (node) --> %v:%v (nodeIP)", config.NodeIP, config.NodeIP, config.NodeUdpPort))
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config.DialFromNode("udp", config.NodeIP, config.NodeUdpPort, config.MaxTries, 0, config.EndpointHostnames())
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})
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It("should function for endpoint-Service: http", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(http) %v (endpoint) --> %v:%v (config.clusterIP)", config.EndpointPods[0].Name, config.ClusterIP, framework.ClusterHttpPort))
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config.DialFromEndpointContainer("http", config.ClusterIP, framework.ClusterHttpPort, config.MaxTries, 0, config.EndpointHostnames())
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By(fmt.Sprintf("dialing(http) %v (endpoint) --> %v:%v (nodeIP)", config.EndpointPods[0].Name, config.NodeIP, config.NodeHttpPort))
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config.DialFromEndpointContainer("http", config.NodeIP, config.NodeHttpPort, config.MaxTries, 0, config.EndpointHostnames())
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})
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It("should function for endpoint-Service: udp", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(udp) %v (endpoint) --> %v:%v (config.clusterIP)", config.EndpointPods[0].Name, config.ClusterIP, framework.ClusterUdpPort))
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config.DialFromEndpointContainer("udp", config.ClusterIP, framework.ClusterUdpPort, config.MaxTries, 0, config.EndpointHostnames())
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By(fmt.Sprintf("dialing(udp) %v (endpoint) --> %v:%v (nodeIP)", config.EndpointPods[0].Name, config.NodeIP, config.NodeUdpPort))
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config.DialFromEndpointContainer("udp", config.NodeIP, config.NodeUdpPort, config.MaxTries, 0, config.EndpointHostnames())
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})
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It("should update endpoints: http", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(http) %v --> %v:%v (config.clusterIP)", config.TestContainerPod.Name, config.ClusterIP, framework.ClusterHttpPort))
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config.DialFromTestContainer("http", config.ClusterIP, framework.ClusterHttpPort, config.MaxTries, 0, config.EndpointHostnames())
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config.DeleteNetProxyPod()
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By(fmt.Sprintf("dialing(http) %v --> %v:%v (config.clusterIP)", config.TestContainerPod.Name, config.ClusterIP, framework.ClusterHttpPort))
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config.DialFromTestContainer("http", config.ClusterIP, framework.ClusterHttpPort, config.MaxTries, config.MaxTries, config.EndpointHostnames())
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})
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It("should update endpoints: udp", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(udp) %v --> %v:%v (config.clusterIP)", config.TestContainerPod.Name, config.ClusterIP, framework.ClusterUdpPort))
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config.DialFromTestContainer("udp", config.ClusterIP, framework.ClusterUdpPort, config.MaxTries, 0, config.EndpointHostnames())
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config.DeleteNetProxyPod()
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By(fmt.Sprintf("dialing(udp) %v --> %v:%v (config.clusterIP)", config.TestContainerPod.Name, config.ClusterIP, framework.ClusterUdpPort))
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config.DialFromTestContainer("udp", config.ClusterIP, framework.ClusterUdpPort, config.MaxTries, config.MaxTries, config.EndpointHostnames())
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})
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// Slow because we confirm that the nodePort doesn't serve traffic, which requires a period of polling.
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It("should update nodePort: http [Slow]", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(http) %v (node) --> %v:%v (nodeIP)", config.NodeIP, config.NodeIP, config.NodeHttpPort))
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config.DialFromNode("http", config.NodeIP, config.NodeHttpPort, config.MaxTries, 0, config.EndpointHostnames())
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config.DeleteNodePortService()
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By(fmt.Sprintf("dialing(http) %v (node) --> %v:%v (nodeIP)", config.NodeIP, config.NodeIP, config.NodeHttpPort))
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config.DialFromNode("http", config.NodeIP, config.NodeHttpPort, config.MaxTries, config.MaxTries, sets.NewString())
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})
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// Slow because we confirm that the nodePort doesn't serve traffic, which requires a period of polling.
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It("should update nodePort: udp [Slow]", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(udp) %v (node) --> %v:%v (nodeIP)", config.NodeIP, config.NodeIP, config.NodeUdpPort))
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config.DialFromNode("udp", config.NodeIP, config.NodeUdpPort, config.MaxTries, 0, config.EndpointHostnames())
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config.DeleteNodePortService()
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By(fmt.Sprintf("dialing(udp) %v (node) --> %v:%v (nodeIP)", config.NodeIP, config.NodeIP, config.NodeUdpPort))
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config.DialFromNode("udp", config.NodeIP, config.NodeUdpPort, config.MaxTries, config.MaxTries, sets.NewString())
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})
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It("should function for client IP based session affinity: http", func() {
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(http) %v --> %v:%v (config.clusterIP)", config.TestContainerPod.Name, config.ClusterIP, framework.ClusterHttpPort))
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updateSessionAffinity := func(svc *v1.Service) {
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svc.Spec.SessionAffinity = v1.ServiceAffinityClientIP
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}
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framework.UpdateService(f.ClientSet, config.NodePortService.Namespace, config.NodePortService.Name, updateSessionAffinity)
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firstEndpoints, err := config.GetEndpointsFromTestContainer("http", config.ClusterIP, framework.ClusterHttpPort, config.MaxTries, 0)
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if err != nil {
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framework.Failf("Unable to get endpoints from test containers: %v", err)
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}
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for i := 0; i < framework.SessionAffinityChecks; i++ {
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eps, err := config.GetEndpointsFromTestContainer("http", config.ClusterIP, framework.ClusterHttpPort, config.MaxTries, 0)
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if err != nil {
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framework.Failf("Unable to get endpoints from test containers: %v", err)
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}
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if !eps.Equal(firstEndpoints) {
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framework.Failf("Expect endpoints: %v, got: %v", firstEndpoints, eps)
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}
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}
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})
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It("should function for client IP based session affinity: udp", func() {
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startTime := time.Now()
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config := framework.NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(udp) %v --> %v:%v (config.clusterIP)", config.TestContainerPod.Name, config.ClusterIP, framework.ClusterHttpPort))
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updateSessionAffinity := func(svc *v1.Service) {
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svc.Spec.SessionAffinity = v1.ServiceAffinityClientIP
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}
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framework.UpdateService(f.ClientSet, config.NodePortService.Namespace, config.NodePortService.Name, updateSessionAffinity)
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firstEndpoints, err := config.GetEndpointsFromTestContainer("udp", config.ClusterIP, framework.ClusterUdpPort, config.MaxTries, 0)
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if err != nil {
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framework.Failf("Unable to get endpoints from test containers: %v", err)
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}
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for i := 0; i < framework.SessionAffinityChecks; i++ {
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eps, err := config.GetEndpointsFromTestContainer("http", config.ClusterIP, framework.ClusterUdpPort, config.MaxTries, 0)
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if err != nil {
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framework.Failf("Unable to get endpoints from test containers: %v", err)
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}
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if !eps.Equal(firstEndpoints) {
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framework.Failf("Expect endpoints: %v, got: %v", firstEndpoints, eps)
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}
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}
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framework.Failf("test session affinity, cost time: %v", time.Now().Sub(startTime))
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})
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})
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})
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