Config to use external tiler server

osm-seed/templates/tiler-server/tiler-server-cache-cleaner-deployment.yaml

@@ -1,4 +1,4 @@
-{{- if .Values.tilerServer.enabled -}}
+{{- if and .Values.tilerServer.enabled (not .Values.tilerServer.externalService.enabled) }}
 {{ if eq .Values.tilerServer.env.TILER_CACHE_TYPE "s3" }}
 {{- if .Values.tilerServerCacheCleaner.enabled -}}
 apiVersion: apps/v1

osm-seed/templates/tiler-server/tiler-server-cache-cleaner-hpa.yaml

@@ -1,4 +1,4 @@
-{{- if .Values.tilerServer.enabled -}}
+{{- if and .Values.tilerServer.enabled (not .Values.tilerServer.externalService.enabled) }}
 {{ if eq .Values.tilerServer.env.TILER_CACHE_TYPE "s3" }}
 {{- if .Values.tilerServerCacheCleaner.enabled -}}
 {{- if .Values.tilerServerCacheCleaner.autoscaling.enabled -}}

osm-seed/templates/tiler-server/tiler-server-configMap.yaml

@@ -1,4 +1,4 @@
-{{- if .Values.tilerServer.enabled -}}
+{{- if and .Values.tilerServer.enabled (not .Values.tilerServer.externalService.enabled) }}
 apiVersion: v1
 kind: ConfigMap
 metadata:

osm-seed/templates/tiler-server/tiler-server-deployment.yaml

@@ -1,4 +1,4 @@
-{{- if .Values.tilerServer.enabled -}}
+{{- if and .Values.tilerServer.enabled (not .Values.tilerServer.externalService.enabled) }}
 {{ if eq .Values.tilerServer.env.TILER_CACHE_TYPE "s3" }}
 apiVersion: apps/v1
 kind: Deployment

osm-seed/templates/tiler-server/tiler-server-dp.yaml

@@ -1,4 +1,4 @@
-{{- if .Values.tilerServer.enabled -}}
+{{- if and .Values.tilerServer.enabled (not .Values.tilerServer.externalService.enabled) }}
 {{ if eq .Values.tilerServer.env.TILER_CACHE_TYPE "file" }}
 {{- if .Values.tilerServer.persistenceDisk.enabled -}}
 apiVersion: v1

osm-seed/templates/tiler-server/tiler-server-hpa.yaml

@@ -1,4 +1,4 @@
-{{- if .Values.tilerServer.enabled -}}
+{{- if and .Values.tilerServer.enabled (not .Values.tilerServer.externalService.enabled) }}
 {{- if .Values.tilerServer.autoscaling.enabled -}}
 apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler

osm-seed/templates/tiler-server/tiler-server-ingress.yaml

@@ -2,11 +2,7 @@
 apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
-  name: {{ template "osm-seed.fullname" . }}-ingress-tiler-server
-  annotations:
-    kubernetes.io/ingress.class: nginx
-    cert-manager.io/cluster-issuer: letsencrypt-prod-issuer
-    nginx.ingress.kubernetes.io/proxy-body-size: 5m
+  name: {{ .Release.Name }}-ingress-tiler-server
   annotations:
     kubernetes.io/ingress.class: nginx
     cert-manager.io/cluster-issuer: letsencrypt-prod-issuer
@@ -17,22 +13,22 @@ metadata:
 spec:
   ingressClassName: nginx
   tls:
-  - hosts:
-    {{- if .Values.tilerServer.ingressDomain }}
-    - {{ .Values.tilerServer.ingressDomain }}
-    {{- else }}
-    - tiler.{{ .Values.domain }}
-    {{- end }}
-    secretName: {{ template "osm-seed.fullname" . }}-secret-tiler-server
+    - hosts:
+        {{- if .Values.tilerServer.ingressDomain }}
+        - {{ .Values.tilerServer.ingressDomain }}
+        {{- else }}
+        - tiler.{{ .Values.domain }}
+        {{- end }}
+      secretName: {{ .Release.Name }}-secret-tiler-server
   rules:
-  - host: {{ if .Values.tilerServer.ingressDomain }}{{ .Values.tilerServer.ingressDomain }}{{ else }}tiler.{{ .Values.domain }}{{ end }}
-    http:
-      paths:
-      - path: /
-        pathType: Prefix
-        backend:
-          service:
-            name: {{ template "osm-seed.fullname" . }}-tiler-server
-            port:
-              number: 80
-{{- end }}
+    - host: {{ if .Values.tilerServer.ingressDomain }}{{ .Values.tilerServer.ingressDomain }}{{ else }}tiler.{{ .Values.domain }}{{ end }}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: {{ .Release.Name }}-tiler-server
+                port:
+                  number: 80
+{{- end }}

osm-seed/templates/tiler-server/tiler-server-service.yaml

@@ -1,8 +1,8 @@
-{{- if .Values.tilerServer.enabled -}}
+{{- if .Values.tilerServer.enabled }}
 apiVersion: v1
 kind: Service
 metadata:
-  name: {{ template "osm-seed.fullname" . }}-tiler-server
+  name: {{ .Release.Name }}-tiler-server
   labels:
     app: {{ template "osm-seed.name" . }}
     component: tiler-server-service
@@ -13,7 +13,7 @@ metadata:
     service.beta.kubernetes.io/aws-load-balancer-ssl-cert: {{ .Values.AWS_SSL_ARN }}
     service.beta.kubernetes.io/aws-load-balancer-backend-protocol: http
     service.beta.kubernetes.io/aws-load-balancer-ssl-ports: https
-    service.beta.kubernetes.io/aws-load-balancer-connection-idle-timeout: "600" 
+    service.beta.kubernetes.io/aws-load-balancer-connection-idle-timeout: "600"
     {{- end }}
     {{- if eq .Values.serviceType "ClusterIP" }}
     kubernetes.io/ingress.class: nginx
@@ -25,21 +25,37 @@ metadata:
     {{- toYaml . | nindent 4 }}
     {{- end }}
 spec:
-  type: {{ .Values.serviceType }}
+  # If tilerServer.externalService.enabled = true, we use ExternalName; otherwise use user-defined serviceType
+  type: {{- if .Values.tilerServer.externalService.enabled }} ExternalName {{- else }} {{ .Values.serviceType }} {{- end }}
+
+  {{- if .Values.tilerServer.externalService.enabled }}
+  # external name service
+  externalName: "{{ .Values.tilerServer.externalService.ip }}"
+  ports:
+    - port: 80
+      protocol: TCP
+      name: http
+      targetPort: {{ .Values.tilerServer.externalService.port }}
+    - port: 443
+      protocol: TCP
+      name: https
+      targetPort: {{ .Values.tilerServer.externalService.port }}
+  {{- else }}
+  # normal (internal) service
   ports:
     - port: 80
       targetPort: http
       protocol: TCP
       name: http
-  {{- if and (eq .Values.serviceType "LoadBalancer") .Values.AWS_SSL_ARN }}
+    {{- if and (eq .Values.serviceType "LoadBalancer") .Values.AWS_SSL_ARN }}
     - port: 443
       targetPort: http
       protocol: TCP
       name: https
-  {{- end }}
-
+    {{- end }}
   selector:
     app: {{ template "osm-seed.name" . }}
     release: {{ .Release.Name }}
     run: {{ .Release.Name }}-tiler-server
-{{- end }}
+  {{- end }}
+{{- end }}

osm-seed/templates/tiler-server/tiler-server-statefulset.yaml

@@ -1,4 +1,4 @@
-{{- if .Values.tilerServer.enabled -}}
+{{- if and .Values.tilerServer.enabled (not .Values.tilerServer.externalService.enabled) }}
 {{ if eq .Values.tilerServer.env.TILER_CACHE_TYPE "file" }}
 apiVersion: apps/v1
 kind: StatefulSet

osm-seed/values.yaml

@@ -464,6 +464,10 @@ tilerImposm:
 # ====================================================================================================
 tilerServer:
   enabled: false
+  externalService:
+    enabled: true
+    ip: "37.1.1.5"
+    port: 9090
   image:
     name: ""
     tag: ""