Add limits and health checks

manifest.yaml

@@ -32,6 +32,13 @@ spec:
         - name: webhook
           image: jasonrichardsmith/sentry:0.1
           imagePullPolicy: IfNotPresent
+          resources:
+            limits:
+              memory: 500Mi
+              cpu: 300m
+            requests:
+              memory: 500Mi
+              cpu: 300m
           volumeMounts:
             - name: webhook-certs
               mountPath: /etc/webhook/certs
@@ -40,6 +47,20 @@ spec:
               mountPath: /config.yaml
               subPath: config.yaml
               readOnly: true
+          readinessProbe:
+            httpGet:
+              path: /healthz
+              port: 443
+              scheme: HTTPS
+            initialDelaySeconds: 1
+            periodSeconds: 10
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: 443
+              scheme: HTTPS
+            initialDelaySeconds: 5
+            periodSeconds: 10
       volumes:
         - name: webhook-certs
           secret:

sentry/sentry.go

@@ -63,6 +63,12 @@ func (sh SentryHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 	log.Info("Received request")
+	if r.URL.Path == "/healthz" {
+		log.Info("Received health check")
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("200 - Healthy"))
+		return
+	}
 	contentType := r.Header.Get("Content-Type")
 	if contentType != "application/json" {
 		log.Errorf("contentType=%s, expect application/json", contentType)