feat: add service definitions for HAProxy and Envoy with support for …

…both ClusterIP and LoadBalancer configurations (#268)

Signed-off-by: Jeromy Cannon <jeromy@swirldslabs.com>

charts/hedera-network/config-files/envoy.yaml

@@ -39,7 +39,7 @@ static_resources:
                   - name: envoy.filters.http.cors
                   - name: envoy.filters.http.router
   clusters:
-    - name: echo_service
+    - name: non_tls_grpc_cluster
       connect_timeout: 0.25s
       type: logical_dns
       http2_protocol_options: {}

charts/hedera-network/templates/services/envoy-svc.yaml

@@ -0,0 +1,21 @@
+{{ range $index, $node := ($.Values.hedera.nodes) }}
+{{- $envoyProxy := $node.envoyProxy | default dict -}}
+{{- $defaults := $.Values.defaults.haproxy }}
+{{- if default $defaults.enable $envoyProxy.enable | eq "true" }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: envoy-proxy-{{ $node.name }}-svc
+spec:
+  {{- if default $defaults.loadBalancerEnabled $envoyProxy.loadBalancerEnabled | eq "true" }}
+  type: LoadBalancer
+  {{- end }}
+  selector:
+    app: envoy-proxy-{{ $node.name }}
+  ports:
+    - port: 8080
+      targetPort: 8080
+{{- end }}
+{{- end }}
+

charts/hedera-network/templates/services/haproxy-svc.yaml

@@ -0,0 +1,25 @@
+{{- range $index, $node := ($.Values.hedera.nodes) }}
+{{- $haproxy := $node.haproxy | default dict -}}
+{{- $defaults := $.Values.defaults.haproxy }}
+{{- if default $defaults.enable $haproxy.enable | eq "true" }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: haproxy-{{ $node.name }}-svc
+spec:
+  {{- if default $defaults.loadBalancerEnabled $haproxy.loadBalancerEnabled | eq "true" }}
+  type: LoadBalancer
+  {{- end }}
+  selector:
+    app: haproxy-{{ $node.name }}
+  ports:
+    - name: non-tls-grpc-client-port
+      port: 50211
+      targetPort: 50211
+    - name: tls-grpc-client-port
+      port: 50212
+      targetPort: 50212
+{{- end }}
+{{- end }}
+

charts/hedera-network/values.yaml

@@ -49,6 +49,7 @@ defaults:
       pullPolicy: "IfNotPresent"
     replica: 1
     resources: {}
+    loadBalancerEnabled: "false"
   envoyProxy:
     enable: "true"
     nameOverride: "envoy-proxy"
@@ -59,6 +60,7 @@ defaults:
       pullPolicy: "IfNotPresent"
     replica: 1
     resources: {}
+    loadBalancerEnabled: "false"
   sidecars:
     recordStreamUploader:
       enable: "true"