chore(env,docker-compose,helm): add model backend connection info (#404)

Because

- we want to make the VDP connect to Instill Model in internal network
mode

This commit

- add model backend connection info

.env

@@ -66,6 +66,10 @@ CONTROLLER_VDP_VERSION=0.1.6-alpha
 CONTROLLER_VDP_HOST=controller-vdp
 CONTROLLER_VDP_PRIVATEPORT=3085
 
+# model-backend
+MODEL_BACKEND_HOST=model-backend
+MODEL_BACKEND_PUBLICPORT=8083
+
 # socat
 SOCAT_IMAGE=alpine/socat
 SOCAT_VERSION=1.7.4.4-r0

charts/vdp/templates/_helpers.tpl

@@ -117,6 +117,10 @@ app.kubernetes.io/name: {{ include "vdp.name" . }}
   {{- printf "%s-controller-vdp" (include "vdp.fullname" .) -}}
 {{- end -}}
 
+{{- define "model.modelBackend" -}}
+  {{- print "model-model-backend" -}}
+{{- end -}}
+
 {{- define "core.database" -}}
   {{- printf "core-database" -}}
 {{- end -}}
@@ -158,6 +162,11 @@ app.kubernetes.io/name: {{ include "vdp.name" . }}
   {{- printf "3084" -}}
 {{- end -}}
 
+{{/* model-backend service and container public port */}}
+{{- define "model.modelBackend.publicPort" -}}
+  {{- printf "8083" -}}
+{{- end -}}
+
 {{/* temporal container frontend gRPC port */}}
 {{- define "core.temporal.frontend.grpcPort" -}}
   {{- printf "7233" -}}

charts/vdp/templates/pipeline-backend/configmap.yaml

@@ -42,6 +42,14 @@ data:
         cert: /etc/instill-ai/vdp/ssl/mgmt/tls.crt
         key: /etc/instill-ai/vdp/ssl/mgmt/tls.key
       {{- end }}
+    modelbackend:
+      host: {{ template "model.modelBackend" . }}
+      publicport: {{ template "model.modelBackend.publicPort" . }}
+      {{- if .Values.internalTLS.enabled }}
+      https:
+        cert: /etc/instill-ai/vdp/ssl/model/tls.crt
+        key: /etc/instill-ai/vdp/ssl/model/tls.key
+      {{- end }}
     controller:
       host: {{ template "vdp.controllerVDP" . }}
       privateport: {{ template "vdp.controllerVDP.privatePort" . }}

docker-compose.yml

@@ -60,6 +60,8 @@ services:
       CFG_DATABASE_PASSWORD: password
       CFG_MGMTBACKEND_HOST: ${MGMT_BACKEND_HOST}
       CFG_MGMTBACKEND_PRIVATEPORT: ${MGMT_BACKEND_PRIVATEPORT}
+      CFG_MODELBACKEND_HOST: ${MODEL_BACKEND_HOST}
+      CFG_MODELBACKEND_PUBLICPORT: ${MODEL_BACKEND_PUBLICPORT}
       CFG_TEMPORAL_CLIENTOPTIONS_HOSTPORT: ${TEMPORAL_HOST}:${TEMPORAL_PORT}
       CFG_CACHE_REDIS_REDISOPTIONS_ADDR: ${REDIS_HOST}:${REDIS_PORT}
       CFG_LOG_EXTERNAL: ${OBSERVE_ENABLED}
@@ -92,6 +94,8 @@ services:
       CFG_DATABASE_PASSWORD: password
       CFG_MGMTBACKEND_HOST: ${MGMT_BACKEND_HOST}
       CFG_MGMTBACKEND_PRIVATEPORT: ${MGMT_BACKEND_PRIVATEPORT}
+      CFG_MODELBACKEND_HOST: ${MODEL_BACKEND_HOST}
+      CFG_MODELBACKEND_PUBLICPORT: ${MODEL_BACKEND_PUBLICPORT}
       CFG_TEMPORAL_CLIENTOPTIONS_HOSTPORT: ${TEMPORAL_HOST}:${TEMPORAL_PORT}
       CFG_CACHE_REDIS_REDISOPTIONS_ADDR: ${REDIS_HOST}:${REDIS_PORT}
       CFG_LOG_EXTERNAL: ${OBSERVE_ENABLED}