exempt /status from maintenance redirect

Author: said-moj

app/main/routes.py

@@ -20,6 +20,11 @@ def index():
     return render_template("index.html")
 
 
+@bp.route("/status", methods=["GET"])
+def status():
+    return "OK"
+
+
 @bp.route("/maintenance-mode", methods=["GET"])
 def maintenance_mode_page():
     if not current_app.config["MAINTENANCE_MODE"]:
@@ -86,5 +91,9 @@ def csrf_error(error):
 @bp.before_request
 def maintenance_mode_middleware():
     maintenance_url = url_for("main.maintenance_mode_page")
-    if current_app.config["MAINTENANCE_MODE"] and request.path != maintenance_url:
+    exempt_urls = [
+        maintenance_url,
+        url_for("main.status"),
+    ]
+    if current_app.config["MAINTENANCE_MODE"] and request.path not in exempt_urls:
         return redirect(maintenance_url)

helm_deploy/laa-access-civil-legal-aid/templates/deployment.yaml

@@ -44,9 +44,9 @@ spec:
               protocol: TCP
           livenessProbe:
             httpGet:
-              path: /
+              path: /status
               port: http
           readinessProbe:
             httpGet:
-              path: /
+              path: /status
               port: http

helm_deploy/laa-access-civil-legal-aid/templates/ingress.yaml

@@ -13,6 +13,7 @@ metadata:
   labels:
     {{- include "laa-access-civil-legal-aid.labels" . | nindent 4 }}
   annotations:
+    nginx.ingress.kubernetes.io/custom-http-errors: "413,502,504"
     {{- if .Values.ingress.cluster.name }}
     external-dns.alpha.kubernetes.io/set-identifier: "{{ $fullName }}-{{ .Release.Namespace }}-{{- .Values.ingress.cluster.name -}}"
     external-dns.alpha.kubernetes.io/aws-weight: "{{- .Values.ingress.cluster.weight -}}"