Add CAP_SYS_CHROOT to DS/PSP when needed (#8587)

Signed-off-by: Mac Chaffee <me@macchaffee.com>

charts/ingress-nginx/templates/controller-daemonset.yaml

@@ -82,14 +82,7 @@ spec:
         {{- end }}
           args:
             {{- include "ingress-nginx.params" . | nindent 12 }}
-          securityContext:
-            capabilities:
-                drop:
-                - ALL
-                add:
-                - NET_BIND_SERVICE
-            runAsUser: {{ .Values.controller.image.runAsUser }}
-            allowPrivilegeEscalation: {{ .Values.controller.image.allowPrivilegeEscalation }}
+          securityContext: {{ include "controller.containerSecurityContext" . | nindent 12 }}
           env:
             - name: POD_NAME
               valueFrom:

charts/ingress-nginx/templates/controller-psp.yaml

@@ -12,6 +12,9 @@ metadata:
 spec:
   allowedCapabilities:
     - NET_BIND_SERVICE
+  {{- if .Values.controller.image.chroot }}
+    - SYS_CHROOT
+  {{- end }}
 {{- if .Values.controller.sysctls }}
   allowedUnsafeSysctls:
   {{- range $sysctl, $value := .Values.controller.sysctls }}