mirror of
https://github.com/k3s-io/kubernetes.git
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226 lines
10 KiB
Go
226 lines
10 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 e2e
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import (
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"fmt"
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"net/http"
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"k8s.io/kubernetes/pkg/util/sets"
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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 _ = framework.KubeDescribe("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 [Conformance]", func() {
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By("Running container which tries to wget google.com")
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framework.ExpectNoError(framework.CheckConnectivityToHost(f, "", "wget-test", "google.com", 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 [Conformance]", 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: "/logs"},
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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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for _, test := range tests {
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By(fmt.Sprintf("testing: %s", test.path))
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data, err := f.Client.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 := NewNetworkingTestConfig(f)
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By("checking kube-proxy URLs")
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config.getSelfURL("/healthz", "ok")
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config.getSelfURL("/proxyMode", "iptables") // the default
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})
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framework.KubeDescribe("Granular Checks: Pods", func() {
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// Try to hit all endpoints through a test container, retry 5 times,
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// expect exactly one unique hostname. Each of these endpoints reports
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// its own hostname.
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It("should function for intra-pod communication: http [Conformance]", func() {
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config := NewNetworkingTestConfig(f)
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for _, endpointPod := range config.endpointPods {
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config.dialFromTestContainer("http", endpointPod.Status.PodIP, endpointHttpPort, config.maxTries, 0, sets.NewString(endpointPod.Name))
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}
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})
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It("should function for intra-pod communication: udp [Conformance]", func() {
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config := NewNetworkingTestConfig(f)
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for _, endpointPod := range config.endpointPods {
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config.dialFromTestContainer("udp", endpointPod.Status.PodIP, endpointUdpPort, config.maxTries, 0, sets.NewString(endpointPod.Name))
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}
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})
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It("should function for node-pod communication: http [Conformance]", func() {
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config := NewNetworkingTestConfig(f)
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for _, endpointPod := range config.endpointPods {
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config.dialFromNode("http", endpointPod.Status.PodIP, endpointHttpPort, config.maxTries, 0, sets.NewString(endpointPod.Name))
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}
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})
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It("should function for node-pod communication: udp [Conformance]", func() {
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config := NewNetworkingTestConfig(f)
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for _, endpointPod := range config.endpointPods {
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config.dialFromNode("udp", endpointPod.Status.PodIP, endpointUdpPort, config.maxTries, 0, sets.NewString(endpointPod.Name))
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}
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})
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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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framework.KubeDescribe("Granular Checks: Services [Slow]", func() {
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It("should function for pod-Service: http", func() {
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config := NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(http) %v --> %v:%v (config.clusterIP)", config.testContainerPod.Name, config.clusterIP, clusterHttpPort))
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config.dialFromTestContainer("http", config.clusterIP, 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 := NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(udp) %v --> %v:%v (config.clusterIP)", config.testContainerPod.Name, config.clusterIP, clusterUdpPort))
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config.dialFromTestContainer("udp", config.clusterIP, 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 := NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(http) %v (node) --> %v:%v (config.clusterIP)", config.nodeIP, config.clusterIP, clusterHttpPort))
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config.dialFromNode("http", config.clusterIP, 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 := NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(udp) %v (node) --> %v:%v (config.clusterIP)", config.nodeIP, config.clusterIP, clusterUdpPort))
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config.dialFromNode("udp", config.clusterIP, 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 := NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(http) %v (endpoint) --> %v:%v (config.clusterIP)", config.endpointPods[0].Name, config.clusterIP, clusterHttpPort))
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config.dialFromEndpointContainer("http", config.clusterIP, 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 := NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(udp) %v (endpoint) --> %v:%v (config.clusterIP)", config.endpointPods[0].Name, config.clusterIP, clusterUdpPort))
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config.dialFromEndpointContainer("udp", config.clusterIP, 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 := NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(http) %v --> %v:%v (config.clusterIP)", config.testContainerPod.Name, config.clusterIP, clusterHttpPort))
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config.dialFromTestContainer("http", config.clusterIP, 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, clusterHttpPort))
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config.dialFromTestContainer("http", config.clusterIP, 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 := NewNetworkingTestConfig(f)
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By(fmt.Sprintf("dialing(udp) %v --> %v:%v (config.clusterIP)", config.testContainerPod.Name, config.clusterIP, clusterUdpPort))
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config.dialFromTestContainer("udp", config.clusterIP, 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, clusterUdpPort))
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config.dialFromTestContainer("udp", config.clusterIP, 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 := 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 := 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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// TODO: Test sessionAffinity #31712
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})
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})
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