chore(server): db health check (#14779)

#### PR Dependency Tree


* **PR #14779** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Chores**
* Added conditional init checks to service deployments and jobs to wait
for the database proxy before starting
* Exposed a new health port (9801) for the database proxy to enable
readiness probing

* **Tests**
  * Minor test reordering and formatting changes (no behavioral changes)
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

.github/helm/affine/charts/front/templates/deployment.yaml

@@ -25,6 +25,22 @@ spec:
       serviceAccountName: {{ include "front.serviceAccountName" . }}
       securityContext:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- with .Values.global.database.gcloud }}
+      {{- if .enabled }}
+      initContainers:
+        - name: wait-for-cloud-sql-proxy
+          image: busybox:1.36.1
+          imagePullPolicy: IfNotPresent
+          command:
+            - /bin/sh
+            - -ec
+            - |
+              until wget -q -T 2 -O /dev/null "http://{{ $.Values.global.database.host }}:9801/startup"; do
+                echo "waiting for cloud sql proxy to become ready"
+                sleep 2
+              done
+      {{- end }}
+      {{- end }}
       containers:
         - name: {{ .Chart.Name }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"

.github/helm/affine/charts/gcloud-sql-proxy/templates/service.yaml

@@ -12,6 +12,10 @@ spec:
       targetPort: cloud-sql-proxy
       protocol: TCP
       name: cloud-sql-proxy
+    - port: 9801
+      targetPort: 9801
+      protocol: TCP
+      name: health
   selector:
     {{- include "gcloud-sql-proxy.selectorLabels" . | nindent 4 }}
 {{- end }}

.github/helm/affine/charts/graphql/templates/deployment.yaml

@@ -23,6 +23,22 @@ spec:
         {{- toYaml . | nindent 8 }}
       {{- end }}
       serviceAccountName: {{ include "graphql.serviceAccountName" . }}
+      {{- with .Values.global.database.gcloud }}
+      {{- if .enabled }}
+      initContainers:
+        - name: wait-for-cloud-sql-proxy
+          image: busybox:1.36.1
+          imagePullPolicy: IfNotPresent
+          command:
+            - /bin/sh
+            - -ec
+            - |
+              until wget -q -T 2 -O /dev/null "http://{{ $.Values.global.database.host }}:9801/startup"; do
+                echo "waiting for cloud sql proxy to become ready"
+                sleep 2
+              done
+      {{- end }}
+      {{- end }}
       containers:
         - name: {{ .Chart.Name }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"

.github/helm/affine/charts/graphql/templates/migration.yaml

@@ -13,6 +13,22 @@ spec:
   template:
     spec:
       serviceAccountName: {{ include "graphql.serviceAccountName" . }}
+      {{- with .Values.global.database.gcloud }}
+      {{- if .enabled }}
+      initContainers:
+      - name: wait-for-cloud-sql-proxy
+        image: busybox:1.36.1
+        imagePullPolicy: IfNotPresent
+        command:
+          - /bin/sh
+          - -ec
+          - |
+            until wget -q -T 2 -O /dev/null "http://{{ $.Values.global.database.host }}:9801/startup"; do
+              echo "waiting for cloud sql proxy to become ready"
+              sleep 2
+            done
+      {{- end }}
+      {{- end }}
       containers:
       - name: {{ .Chart.Name }}
         image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"