Jail/chroot nginx process inside controller container (#8337)

* Initial work on chrooting nginx process

* More improvements in chroot

* Fix charts and some file locations

* Fix symlink on non chrooted container

* fix psp test

* Add e2e tests to chroot image

* Fix logger

* Add internal logger in controller

* Fix overlay for chrooted tests

* Fix tests

* fix boilerplates

* Fix unittest to point to the right pid

* Fix PR review

test/e2e/settings/pod_security_policy_volumes.go

@@ -82,10 +82,10 @@ var _ = framework.IngressNginxDescribe("[Security] Pod Security Policies with vo
 
 			deployment.Spec.Template.Spec.Containers[0].VolumeMounts = []corev1.VolumeMount{
 				{
-					Name: "ssl", MountPath: "/etc/ingress-controller",
+					Name: "ssl", MountPath: "/etc/my-amazing-ssl",
 				},
 				{
-					Name: "tmp", MountPath: "/tmp",
+					Name: "tmp", MountPath: "/my-other-tmp",
 				},
 			}