Add the canary service to production

YAY

k8s/canary.yaml

@@ -0,0 +1,45 @@
+---
+apiVersion: "v1"
+kind: "List"
+items:
+  - apiVersion: "v1"
+    kind: "ReplicationController"
+    metadata:
+      name: 'canary'
+      labels:
+        name: 'canary'
+    spec:
+      replicas: 3
+      template:
+        metadata:
+          name: 'canary'
+          labels:
+            name: 'canary'
+        spec:
+          containers:
+            - name: 'canary'
+              image: 'rtyler/codevalet-canary:latest'
+              imagePullPolicy: Always
+              ports:
+                - containerPort: 9292
+              env:
+                - name: PRODUCTION
+                  value: 'true'
+                - name: SENTRY_DSN
+                  valueFrom:
+                    secretKeyRef:
+                      name: webapp
+                      key: sentry
+                - name: SENTRY_API_TOKEN
+                  valueFrom:
+                    secretKeyRef:
+                      name: canary
+                      key: sentry
+              livenessProbe:
+                httpGet:
+                  path: /
+                  port: 9292
+                initialDelaySeconds: 60
+                timeoutSeconds: 10
+
+# vim: ft=yaml

proxy/conf.d/webapp.conf

@@ -27,6 +27,16 @@ server {
   # Need to do this before the catch-all location below
   include /etc/nginx/monkeys.conf;
 
+  location /canary {
+    proxy_redirect off;
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    proxy_pass http://$canary:$canary_port;
+
+  }
+
   location / {
     proxy_redirect off;
     proxy_set_header Host $http_host;

proxy/run-nginx

@@ -11,6 +11,9 @@ cat > /etc/nginx/vars.conf << EOF
 
   set \$webapp ${WEBAPP_SERVICE_HOST:-dummy-host};
   set \$webapp_port ${WEBAPP_SERVICE_PORT:-80};
+
+  set \$canary ${CANARY_SERVICE_HOST:-dummy-host};
+  set \$canary_port ${CANARY_SERVICE_PORT:-80};
 EOF