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

build/build.sh

@@ -69,3 +69,4 @@ go build \
     -X ${PKG}/version.COMMIT=${COMMIT_SHA} \
     -X ${PKG}/version.REPO=${REPO_INFO}" \
   -o "${TARGETS_DIR}/wait-shutdown" "${PKG}/cmd/waitshutdown"
+

build/test.sh

@@ -23,6 +23,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
+mkdir -p /tmp/nginx
 if [ -z "${PKG}" ]; then
   echo "PKG must be set"
   exit 1