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e2e test intra-pod breadth first logging and summary

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gofmt
This commit is contained in:
jay vyas 2020-08-09 16:32:20 -04:00
parent 7db8a431da
commit 84f7d1e636
2 changed files with 27 additions and 10 deletions
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17
test/e2e/common/networking.go
View File

@ -39,8 +39,23 @@ var _ = ginkgo.Describe("[sig-network] Networking", func() {
*/
framework.ConformanceIt("should function for intra-pod communication: http [NodeConformance]", func() {
config := e2enetwork.NewCoreNetworkingTestConfig(f, false)
// Extra debugging info since this is the most common diagnostic for failing clusters, and is a Conformance test.
errors := []error{}
for _, endpointPod := range config.EndpointPods {
config.DialFromTestContainer("http", endpointPod.Status.PodIP, e2enetwork.EndpointHTTPPort, config.MaxTries, 0, sets.NewString(endpointPod.Name))
if err := config.DialFromTestContainer("http", endpointPod.Status.PodIP, e2enetwork.EndpointHTTPPort, config.MaxTries, 0, sets.NewString(endpointPod.Name)); err != nil {
errors = append(errors, err)
framework.Logf("Was able to reach %v on %v ", endpointPod.Status.PodIP, endpointPod.Status.HostIP)
} else {
framework.Logf("Warning: Test failure (%v) will occur due to %v", len(errors)+1, err) // convenient error message for diagnosis... how many pods failed, and on what hosts?
}
}
if len(errors) == 0 {
framework.Logf("Pod polling failure summary:")
for _, e := range errors {
framework.Logf("%v", e)
}
framework.Failf("Failed due to %v errors polling %v pods", errors, len(config.EndpointPods))
}
})

20
test/e2e/framework/network/utils.go
View File

@ -167,17 +167,17 @@ type NetexecDialResponse struct {
}
// DialFromEndpointContainer executes a curl via kubectl exec in an endpoint container.
func (config *NetworkingTestConfig) DialFromEndpointContainer(protocol, targetIP string, targetPort, maxTries, minTries int, expectedEps sets.String) {
config.DialFromContainer(protocol, echoHostname, config.EndpointPods[0].Status.PodIP, targetIP, EndpointHTTPPort, targetPort, maxTries, minTries, expectedEps)
func (config *NetworkingTestConfig) DialFromEndpointContainer(protocol, targetIP string, targetPort, maxTries, minTries int, expectedEps sets.String) error {
return config.DialFromContainer(protocol, echoHostname, config.EndpointPods[0].Status.PodIP, targetIP, EndpointHTTPPort, targetPort, maxTries, minTries, expectedEps)
}
// DialFromTestContainer executes a curl via kubectl exec in a test container.
func (config *NetworkingTestConfig) DialFromTestContainer(protocol, targetIP string, targetPort, maxTries, minTries int, expectedEps sets.String) {
config.DialFromContainer(protocol, echoHostname, config.TestContainerPod.Status.PodIP, targetIP, testContainerHTTPPort, targetPort, maxTries, minTries, expectedEps)
func (config *NetworkingTestConfig) DialFromTestContainer(protocol, targetIP string, targetPort, maxTries, minTries int, expectedEps sets.String) error {
return config.DialFromContainer(protocol, echoHostname, config.TestContainerPod.Status.PodIP, targetIP, testContainerHTTPPort, targetPort, maxTries, minTries, expectedEps)
}
// DialEchoFromTestContainer executes a curl via kubectl exec in a test container. The response is expected to match the echoMessage.
func (config *NetworkingTestConfig) DialEchoFromTestContainer(protocol, targetIP string, targetPort, maxTries, minTries int, echoMessage string) {
func (config *NetworkingTestConfig) DialEchoFromTestContainer(protocol, targetIP string, targetPort, maxTries, minTries int, echoMessage string) error {
expectedResponse := sets.NewString()
expectedResponse.Insert(echoMessage)
var dialCommand string
@ -191,7 +191,7 @@ func (config *NetworkingTestConfig) DialEchoFromTestContainer(protocol, targetIP
} else {
dialCommand = fmt.Sprintf("echo%%20%s", echoMessage)
}
config.DialFromContainer(protocol, dialCommand, config.TestContainerPod.Status.PodIP, targetIP, testContainerHTTPPort, targetPort, maxTries, minTries, expectedResponse)
return config.DialFromContainer(protocol, dialCommand, config.TestContainerPod.Status.PodIP, targetIP, testContainerHTTPPort, targetPort, maxTries, minTries, expectedResponse)
}
// diagnoseMissingEndpoints prints debug information about the endpoints that
@ -248,7 +248,9 @@ func makeCURLDialCommand(ipPort, dialCmd, protocol, targetIP string, targetPort
// maxTries == minTries will confirm that we see the expected endpoints and no
// more for maxTries. Use this if you want to eg: fail a readiness check on a
// pod and confirm it doesn't show up as an endpoint.
func (config *NetworkingTestConfig) DialFromContainer(protocol, dialCommand, containerIP, targetIP string, containerHTTPPort, targetPort, maxTries, minTries int, expectedResponses sets.String) {
//
// returns nil if no error, or error message if failed after trying maxTries.
func (config *NetworkingTestConfig) DialFromContainer(protocol, dialCommand, containerIP, targetIP string, containerHTTPPort, targetPort, maxTries, minTries int, expectedResponses sets.String) error {
ipPort := net.JoinHostPort(containerIP, strconv.Itoa(containerHTTPPort))
cmd := makeCURLDialCommand(ipPort, dialCommand, protocol, targetIP, targetPort)
@ -273,7 +275,7 @@ func (config *NetworkingTestConfig) DialFromContainer(protocol, dialCommand, con
// Check against i+1 so we exit if minTries == maxTries.
if (responses.Equal(expectedResponses) || responses.Len() == 0 && expectedResponses.Len() == 0) && i+1 >= minTries {
return
return nil
}
// TODO: get rid of this delay #36281
time.Sleep(hitEndpointRetryDelay)
@ -282,7 +284,7 @@ func (config *NetworkingTestConfig) DialFromContainer(protocol, dialCommand, con
if dialCommand == echoHostname {
config.diagnoseMissingEndpoints(responses)
}
framework.Failf("Failed to find expected responses:\nTries %d\nCommand %v\nretrieved %v\nexpected %v\n", maxTries, cmd, responses, expectedResponses)
return fmt.Errorf("Did not find expected responses... \nTries %d\nCommand %v\nretrieved %v\nexpected %v\n", maxTries, cmd, responses, expectedResponses)
}
// GetEndpointsFromTestContainer executes a curl via kubectl exec in a test container.