Merge pull request #7761 from govargo/add-log-functional-mysql

Disable AppArmor for TestFunctional/parallel/MySQL fail(CrashLoopBackOff)

.github/workflows/main.yml

@@ -116,6 +116,8 @@ jobs:
         mkdir -p testhome
         chmod a+x e2e-*
         chmod a+x minikube-*
+        sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/
+        sudo apparmor_parser -R /etc/apparmor.d/usr.sbin.mysqld
         START_TIME=$(date -u +%s)
         KUBECONFIG=$(pwd)/testhome/kubeconfig MINIKUBE_HOME=$(pwd)/testhome ./e2e-linux-amd64 -minikube-start-args=--vm-driver=docker  -test.run TestFunctional -test.timeout=30m -test.v -timeout-multiplier=1.5 -binary=./minikube-linux-amd64 2>&1 | tee ./report/testout.txt
         END_TIME=$(date -u +%s)
@@ -205,6 +207,8 @@ jobs:
         mkdir -p testhome
         chmod a+x e2e-*
         chmod a+x minikube-*
+        sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/
+        sudo apparmor_parser -R /etc/apparmor.d/usr.sbin.mysqld
         START_TIME=$(date -u +%s)
         KUBECONFIG=$(pwd)/testhome/kubeconfig MINIKUBE_HOME=$(pwd)/testhome ./e2e-linux-amd64 -minikube-start-args=--driver=docker  -test.run TestPause -test.timeout=30m -test.v -timeout-multiplier=1.5 -binary=./minikube-linux-amd64 2>&1 | tee ./report/testout.txt
         END_TIME=$(date -u +%s)

site/content/en/docs/drivers/docker.md

@@ -33,3 +33,8 @@ The Docker driver allows you to install Kubernetes into an existing Docker insta
 - On macOS or Windows, you may need to restart Docker for Desktop if a command gets hung
 
 - Run `--alsologtostderr -v=1` for extra debugging information
+
+- On Linux, if you want to run MySQL pod, you need to disable AppArmor for mysql profile
+
+   If your docker has [AppArmor](https://wiki.ubuntu.com/AppArmor) enabled, running mysql in privileged mode with docker driver will have the issue [#7401](https://github.com/kubernetes/minikube/issues/7401).
+   There is a workaround - see [moby/moby#7512](https://github.com/moby/moby/issues/7512#issuecomment-61787845).