Git-Mirrors/constellation
1
0
Fork 0
mirror of https://github.com/edgelesssys/constellation.git synced 2024-10-01 01:36:09 -04:00
Code Issues Packages Projects Releases Wiki Activity

Gather additional information on test failure. (#1282)

Browse Source 
Signed-off-by: Fabian Kammel <fk@edgeless.systems>
This commit is contained in:
Fabian Kammel 2023-02-28 15:19:12 +01:00 committed by GitHub
parent 6b37f2049f
commit e45312250e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 48 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
e2e/internal/lb/lb_test.go
View File

@ -11,8 +11,10 @@ package test
import (
"bufio"
"bytes"
"context"
"fmt"
"io"
"net/http"
"strings"
"testing"
@ -37,6 +39,44 @@ const (
interval = time.Second * 5
)
func gatherDebugInfo(t *testing.T, k *kubernetes.Clientset) {
// Do not gather additional information on success
if !t.Failed() {
return
}
t.Log("Gathering additional debug information.")
pods, err := k.CoreV1().Pods(namespaceName).List(context.Background(), v1.ListOptions{
LabelSelector: "app=whoami",
})
if err != nil {
t.Logf("listing pods: %v", err)
return
}
for idx := range pods.Items {
pod := pods.Items[idx]
req := k.CoreV1().Pods(namespaceName).GetLogs(pod.Name, &coreV1.PodLogOptions{
LimitBytes: func() *int64 { i := int64(1024 * 1024); return &i }(),
})
logs, err := req.Stream(context.Background())
if err != nil {
t.Logf("fetching logs: %v", err)
return
}
defer logs.Close()
buf := new(bytes.Buffer)
_, err = io.Copy(buf, logs)
if err != nil {
t.Logf("copying logs: %v", err)
return
}
t.Logf("Logs of pod '%s':\n%s\n\n", pod.Name, buf)
}
}
func TestLoadBalancer(t *testing.T) {
assert := assert.New(t)
require := require.New(t)
@ -44,6 +84,10 @@ func TestLoadBalancer(t *testing.T) {
k, err := kubectl.New()
require.NoError(err)
t.Cleanup(func() {
gatherDebugInfo(t, k)
})
t.Log("Waiting for external IP to be registered")
svc := testEventuallyExternalIPAvailable(t, k)
loadBalancerIP := getIPOrHostname(t, svc)
@ -57,7 +101,7 @@ func TestLoadBalancer(t *testing.T) {
t.Log("Check that all pods receive traffic")
var allHostnames []string
for i := 0; i < numRequests; i++ {
allHostnames = testEndpointAvailable(t, url, allHostnames)
allHostnames = testEndpointAvailable(t, url, allHostnames, i)
}
assert.True(hasNUniqueStrings(allHostnames, numPods))
allHostnames = allHostnames[:0]
@ -74,7 +118,7 @@ func TestLoadBalancer(t *testing.T) {
t.Log("Check again that all pods receive traffic")
for i := 0; i < numRequests; i++ {
allHostnames = testEndpointAvailable(t, newURL, allHostnames)
allHostnames = testEndpointAvailable(t, newURL, allHostnames, i)
}
assert.True(hasNUniqueStrings(allHostnames, numPods))
}
@ -164,7 +208,7 @@ func testEventuallyExternalIPAvailable(t *testing.T, k *kubernetes.Clientset) *c
// Hostname: <pod-name>
// If this works the <pod-name> value is appended to allHostnames slice and
// new allHostnames is returned.
func testEndpointAvailable(t *testing.T, url string, allHostnames []string) []string {
func testEndpointAvailable(t *testing.T, url string, allHostnames []string, reqIdx int) []string {
assert := assert.New(t)
require := require.New(t)
@ -172,7 +216,7 @@ func testEndpointAvailable(t *testing.T, url string, allHostnames []string) []st
require.NoError(err)
resp, err := http.DefaultClient.Do(req)
require.NoError(err)
require.NoError(err, "Request #%d failed", reqIdx)
defer resp.Body.Close()
assert.Equal(http.StatusOK, resp.StatusCode)
// Force close of connections so that we see different backends