Add ingress-nginx as revery proxy ingress solution

charts/memgraph-high-availability/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: memgraph-high-availability
 description: A Helm chart for Kubernetes with Memgraph High availabiliy capabilites
 
-version: 0.1.4
+version: 0.1.5
 appVersion: "2.22.0"
 
 type: application

charts/memgraph-high-availability/README.md

@@ -46,8 +46,8 @@ The following table lists the configurable parameters of the Memgraph chart and
 | `memgraph.coordinators.volumeClaim.storagePVCSize` | Size of the storage PVC for coordinators                                                                  | `1Gi`                      |
 | `memgraph.coordinators.volumeClaim.logPVC`         | Enable log PVC for coordinators                                                                           | `false`                    |
 | `memgraph.coordinators.volumeClaim.logPVCSize`     | Size of the log PVC for coordinators                                                                      | `256Mi`                    |
-| `memgraph.externalAccess.coordinator.serviceType`  | NodePort, CommonLoadBalancer or LoadBalancer. Use LoadBalancer for Cloud production deployment and NodePort for local testing. 'CommonLoadBalancer' will open one load balancer for all coordinators while 'LoadBalancer' will open one load balancer for each coordinators. | `NodePort` |
-| `memgraph.externalAccess.dataInstance.serviceType` | NodePort or LoadBalancer. Use LoadBalancer for Cloud production deployment and NodePort for local testing. | `NodePort`             |
+| `memgraph.externalAccess.coordinator.serviceType`  | IngressNginx, NodePort, CommonLoadBalancer or LoadBalancer. Use LoadBalancer for Cloud production deployment and NodePort for local testing. 'CommonLoadBalancer' will open one load balancer for all coordinators while 'LoadBalancer' will open one load balancer for each coordinators. IngressNginx will create ingress controller that will allow TCP connections towards coordinator services. | `NodePort` |
+| `memgraph.externalAccess.dataInstance.serviceType` | IngressNginx, NodePort or LoadBalancer. Use LoadBalancer for Cloud production deployment and NodePort for local testing. IngressNginx will create ingress controller that will allow TCP connections towards data instances' services. | `NodePort`             |
 | `memgraph.ports.boltPort`                          | Bolt port used on coordinator and data instances.                                                         | `7687`                     |
 | `memgraph.ports.managementPort`                    | Management port used on coordinator and data instances.                                                   | `10000`                    |
 | `memgraph.ports.replicationPort`                   | Replication port used on data instances.                                                                  | `20000`                    |

charts/memgraph-high-availability/templates/NOTES.txt

@@ -31,11 +31,14 @@ CommonLoadBalancer configuration example
 ADD COORDINATOR 2 WITH CONFIG {"bolt_server": "<COMMON-LB-IP>:7687", "management_server":  "memgraph-coordinator-2.default.svc.cluster.local:10000", "coordinator_server":  "memgraph-coordinator-2.default.svc.cluster.local:12000"};
 REGISTER INSTANCE instance_1 WITH CONFIG {"bolt_server": "<INST1-LB-IP>:7687", "management_server": "memgraph-data-0.default.svc.cluster.local:10000", "replication_server": "memgraph-data-0.default.svc.cluster.local:20000"};
 
+IngressNginx
+
+If you are using ingress-nginx there are several steps we need to do in order to make use of it.
+
+ADD COORDINATOR 2 WITH CONFIG {"bolt_server": "<ingress-LB-external-ip>:9012", "management_server":  "memgraph-coordinator-2.default.svc.cluster.local:10000", "coordinator_server":  "memgraph-coordinator-2.default.svc.cluster.local:12000"};
+REGISTER INSTANCE instance_1 WITH CONFIG {"bolt_server": "<ingress-LB-external-ip>:9001", "management_server": "memgraph-data-0.default.svc.cluster.local:10000", "replication_server": "memgraph-data-0.default.svc.cluster.local:20000"};
+
 
 If you are connecting via Lab, specify your coordinator instance IP address and port in Memgraph Lab GUI and select Memgraph HA cluster type of connection.
 
 If you are using minikube, you can find out your node ip using `minikube ip`.
-
-ADD COORDINATOR 3 WITH CONFIG {"bolt_server": "34.251.38.32:32003", "management_server":  "memgraph-coordinator-3.default.svc.cluster.local:10000", "coordinator_server":  "memgraph-coordinator-3.default.svc.cluster.local:12000"};
-REGISTER INSTANCE instance_1 WITH CONFIG {"bolt_server": "52.50.209.155:32010", "management_server": "memgraph-data-0.default.svc.cluster.local:10000", "replication_server": "memgraph-data-0.default.svc.cluster.local:20000"};
-REGISTER INSTANCE instance_2 WITH CONFIG {"bolt_server": "34.24.10.69:32011", "management_server": "memgraph-data-1.default.svc.cluster.local:10000", "replication_server": "memgraph-data-1.default.svc.cluster.local:20000"};

charts/memgraph-high-availability/templates/ingress-nginx-namespace.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: ingress-nginx
+  annotations:
+    "helm.sh/hook": pre-install
+    "helm.sh/hook-weight": "-5"
+    "helm.sh/hook-delete-policy": before-hook-creation

charts/memgraph-high-availability/templates/services-coordinators-external.yaml

@@ -0,0 +1,43 @@
+{{- $validCoordServices := list "CommonLoadBalancer" "LoadBalancer" "NodePort" "IngressNginx" }}
+{{- if not (has .Values.memgraph.externalAccessConfig.coordinator.serviceType $validCoordServices) }}
+{{- fail "Invalid environment value for memgraph.externlAccessConfig.coordinator.serviceType. Use 'CommonLoadBalancer', 'LoadBalancer', 'NodePort' or 'IngressNginx'."}}
+{{- end }}
+
+{{ if eq $.Values.memgraph.externalAccessConfig.coordinator.serviceType "IngressNginx"}}
+# Placeholder
+{{ else if eq $.Values.memgraph.externalAccessConfig.coordinator.serviceType "CommonLoadBalancer"}}
+apiVersion: v1
+kind: Service
+metadata:
+  name: coordinators
+spec:
+  type: LoadBalancer
+  selector:
+    role: coordinator
+  ports:
+    - protocol: TCP
+      name: bolt
+      port: {{ $.Values.memgraph.ports.boltPort }}
+      targetPort: {{ $.Values.memgraph.ports.boltPort }}
+{{ else }}
+{{- range .Values.coordinators }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: memgraph-coordinator-{{ .id }}-external
+spec:
+{{ if eq $.Values.memgraph.externalAccessConfig.coordinator.serviceType "LoadBalancer"}}
+  type: LoadBalancer
+{{ else }}
+  type: NodePort
+{{ end }}
+  selector:
+    app: memgraph-coordinator-{{ .id }}
+  ports:
+    - protocol: TCP
+      name: bolt
+      port: {{ $.Values.memgraph.ports.boltPort }}
+      targetPort: {{ $.Values.memgraph.ports.boltPort }}
+{{- end }}
+{{ end}}

charts/memgraph-high-availability/templates/services-coordinators.yaml

@@ -1,9 +1,3 @@
-{{- $validCoordServices := list "CommonLoadBalancer" "LoadBalancer" "NodePort" }}
-{{- if not (has .Values.memgraph.externalAccessConfig.coordinator.serviceType $validCoordServices) }}
-{{- fail "Invalid environment value for memgraph.externlAccessConfig.coordinator.serviceType. Use 'CommonLoadBalancer', 'LoadBalancer' or 'NodePort'."}}
-{{- end }}
-
-
 {{- range .Values.coordinators }}
 ---
 apiVersion: v1
@@ -28,40 +22,3 @@ spec:
       port: {{ $.Values.memgraph.ports.managementPort }}
       targetPort: {{ $.Values.memgraph.ports.managementPort }}
 {{- end }}
-
-{{ if eq $.Values.memgraph.externalAccessConfig.coordinator.serviceType "CommonLoadBalancer"}}
-apiVersion: v1
-kind: Service
-metadata:
-  name: coordinators
-spec:
-  type: LoadBalancer
-  selector:
-    role: coordinator
-  ports:
-    - protocol: TCP
-      name: bolt
-      port: {{ $.Values.memgraph.ports.boltPort }}
-      targetPort: {{ $.Values.memgraph.ports.boltPort }}
-{{ else }}
-{{- range .Values.coordinators }}
----
-apiVersion: v1
-kind: Service
-metadata:
-  name: memgraph-coordinator-{{ .id }}-external
-spec:
-{{ if eq $.Values.memgraph.externalAccessConfig.coordinator.serviceType "LoadBalancer"}}
-  type: LoadBalancer
-{{ else }}
-  type: NodePort
-{{ end }}
-  selector:
-    app: memgraph-coordinator-{{ .id }}
-  ports:
-    - protocol: TCP
-      name: bolt
-      port: {{ $.Values.memgraph.ports.boltPort }}
-      targetPort: {{ $.Values.memgraph.ports.boltPort }}
-{{- end }}
-{{ end}}

charts/memgraph-high-availability/templates/services-data-external.yaml

@@ -0,0 +1,30 @@
+{{- $validDataServices := list "LoadBalancer" "NodePort" "IngressNginx" }}
+{{- if not (has .Values.memgraph.externalAccessConfig.dataInstance.serviceType $validDataServices) }}
+{{- fail "Invalid environment value for memgraph.externalAccessConfig.dataInstance.serviceType. Use 'LoadBalancer', 'NodePort' or 'IngressNginx'."}}
+{{- end }}
+
+
+{{ if eq $.Values.memgraph.externalAccessConfig.dataInstance.serviceType "IngressNginx"}}
+# Placeholder
+{{ else }}
+{{- range .Values.data }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: memgraph-data-{{ .id }}-external
+spec:
+{{ if eq $.Values.memgraph.externalAccessConfig.dataInstance.serviceType "NodePort"}}
+  type: NodePort
+{{ else }}
+  type: LoadBalancer
+{{ end }}
+  selector:
+    app: memgraph-data-{{ .id }}
+  ports:
+    - protocol: TCP
+      name: bolt
+      port: {{ $.Values.memgraph.ports.boltPort }}
+      targetPort: {{ $.Values.memgraph.ports.boltPort }}
+{{- end }}
+{{ end }}

charts/memgraph-high-availability/templates/services-data.yaml

@@ -1,8 +1,3 @@
-{{- $validDataServices := list "LoadBalancer" "NodePort" }}
-{{- if not (has .Values.memgraph.externalAccessConfig.dataInstance.serviceType $validDataServices) }}
-{{- fail "Invalid environment value for memgraph.externalAccessConfig.dataInstance.serviceType. Use 'LoadBalancer' or 'NodePort'."}}
-{{- end }}
-
 {{- range .Values.data }}
 ---
 apiVersion: v1
@@ -27,25 +22,3 @@ spec:
       port: {{ $.Values.memgraph.ports.replicationPort }}
       targetPort: {{ $.Values.memgraph.ports.replicationPort }}
 {{- end }}
-
-# Service for data instances external
-{{- range .Values.data }}
----
-apiVersion: v1
-kind: Service
-metadata:
-  name: memgraph-data-{{ .id }}-external
-spec:
-{{ if eq $.Values.memgraph.externalAccessConfig.dataInstance.serviceType "NodePort"}}
-  type: NodePort
-{{ else }}
-  type: LoadBalancer
-{{ end }}
-  selector:
-    app: memgraph-data-{{ .id }}
-  ports:
-    - protocol: TCP
-      name: bolt
-      port: {{ $.Values.memgraph.ports.boltPort }}
-      targetPort: {{ $.Values.memgraph.ports.boltPort }}
-{{- end }}

charts/memgraph-high-availability/templates/tcp-services-configmap.yaml

@@ -0,0 +1,17 @@
+{{- if or (eq $.Values.memgraph.externalAccessConfig.dataInstance.serviceType "IngressNginx") (eq $.Values.memgraph.externalAccessConfig.coordinator.serviceType "IngressNginx") }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: tcp-services
+  namespace: ingress-nginx
+data:
+  {{- if eq $.Values.memgraph.externalAccessConfig.dataInstance.serviceType "IngressNginx"}}
+  9000: "default/memgraph-data-0:7687"
+  9001: "default/memgraph-data-1:7687"
+  {{- end }}
+  {{- if eq $.Values.memgraph.externalAccessConfig.coordinator.serviceType "IngressNginx"}}
+  9011: "default/memgraph-coordinator-1:7687"
+  9012: "default/memgraph-coordinator-2:7687"
+  9013: "default/memgraph-coordinator-3:7687"
+  {{- end }}
+{{- end }}