From b37e0d6d7ce569a0d10d883df24b457d3f010053 Mon Sep 17 00:00:00 2001
From: Tommy <tommy@rodl.no>
Date: Tue, 19 Dec 2023 17:47:53 +0100
Subject: [PATCH] feat(hasura-engine) add graphql server chart

---
 charts/hasura-engine/Chart.yaml               |  5 ++
 charts/hasura-engine/README.md                |  3 ++
 charts/hasura-engine/templates/_helpers.tpl   | 25 +++++++++
 .../hasura-engine/templates/deployment.yaml   | 53 +++++++++++++++++++
 charts/hasura-engine/templates/service.yaml   | 14 +++++
 charts/hasura-engine/values.yaml              | 33 ++++++++++++
 6 files changed, 133 insertions(+)
 create mode 100644 charts/hasura-engine/Chart.yaml
 create mode 100644 charts/hasura-engine/README.md
 create mode 100644 charts/hasura-engine/templates/_helpers.tpl
 create mode 100644 charts/hasura-engine/templates/deployment.yaml
 create mode 100644 charts/hasura-engine/templates/service.yaml
 create mode 100644 charts/hasura-engine/values.yaml

diff --git a/charts/hasura-engine/Chart.yaml b/charts/hasura-engine/Chart.yaml
new file mode 100644
index 0000000..b97a628
--- /dev/null
+++ b/charts/hasura-engine/Chart.yaml
@@ -0,0 +1,5 @@
+apiVersion: v2
+name: hasura-engine
+description: GraphQL Engine to make data accessible over a GraphQL API
+type: application
+version: 0.1.2
\ No newline at end of file
diff --git a/charts/hasura-engine/README.md b/charts/hasura-engine/README.md
new file mode 100644
index 0000000..a26f278
--- /dev/null
+++ b/charts/hasura-engine/README.md
@@ -0,0 +1,3 @@
+
+
+https://cloudnative-pg.io/blog/hasura-graphql/
\ No newline at end of file
diff --git a/charts/hasura-engine/templates/_helpers.tpl b/charts/hasura-engine/templates/_helpers.tpl
new file mode 100644
index 0000000..9e93c8c
--- /dev/null
+++ b/charts/hasura-engine/templates/_helpers.tpl
@@ -0,0 +1,25 @@
+{{- define "hasura.fullname" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end }}
+
+# Define a template for standard labels.
+{{/*
+Common labels
+*/}}
+{{- define "hasura.labels" -}}
+helm.sh/chart: {{ include "hasura.chart" . }}
+app.kubernetes.io/name: {{ include "hasura.fullname" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/version: {{ .Chart.Version | quote }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+# Define a template for the chart name and version.
+{{/*
+Generate basic labels
+*/}}
+{{- define "hasura.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" -}}
+{{- end }}
+
+# Optionally, add more helper templates as needed.
diff --git a/charts/hasura-engine/templates/deployment.yaml b/charts/hasura-engine/templates/deployment.yaml
new file mode 100644
index 0000000..c417545
--- /dev/null
+++ b/charts/hasura-engine/templates/deployment.yaml
@@ -0,0 +1,53 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "hasura.fullname" . }}
+  labels:
+    {{- include "hasura.labels" . | nindent 4 }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: {{ include "hasura.fullname" . }}
+  template:
+    metadata:
+      labels:
+        app: {{ include "hasura.fullname" . }}
+    spec:
+      initContainers:
+        - name: db-init
+          image: "{{ .Values.initContainers.dbInit.image.repository }}:{{ .Values.initContainers.dbInit.image.tag }}"
+          envFrom:
+            - secretRef:
+                name: {{ .Values.envFromSecret }}
+      containers:
+      - image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        imagePullPolicy: {{ .Values.image.pullPolicy }}
+        name: hasura
+        env:
+          - name: HASURA_GRAPHQL_ADMIN_INTERNAL_ERRORS
+            value: "false"
+          - name: HASURA_GRAPHQL_ENABLE_MAINTENANCE_MODE
+            value: "false"
+          - name: HASURA_GRAPHQL_CORS_DOMAIN
+            value: "{{ .Values.corsDomains }}"
+          - name: HASURA_GRAPHQL_ENABLE_CONSOLE
+            value: "{{ .Values.features.console }}"
+          - name: HASURA_GRAPHQL_DEV_MODE
+            value: "{{ .Values.features.devMode }}"
+        envFrom:
+          - secretRef:
+              name: {{ .Values.envFromSecret }}
+        ports:
+          - name: http
+            containerPort: 8080
+            protocol: TCP
+        livenessProbe:
+          httpGet:
+            path: /healthz
+            port: http
+        readinessProbe:
+          httpGet:
+            path: /healthz
+            port: http
+        resources: {}
diff --git a/charts/hasura-engine/templates/service.yaml b/charts/hasura-engine/templates/service.yaml
new file mode 100644
index 0000000..1b84a70
--- /dev/null
+++ b/charts/hasura-engine/templates/service.yaml
@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "hasura.fullname" . }}
+  labels:
+    {{- include "hasura.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: 8080
+      protocol: TCP
+  selector:
+    app: {{ include "hasura.fullname" . }}
diff --git a/charts/hasura-engine/values.yaml b/charts/hasura-engine/values.yaml
new file mode 100644
index 0000000..483be9b
--- /dev/null
+++ b/charts/hasura-engine/values.yaml
@@ -0,0 +1,33 @@
+image:
+  repository: hasura/graphql-engine
+  tag: v2.36.0
+  pullPolicy: IfNotPresent
+
+initContainers:
+  dbInit:
+    image:
+      repository: ghcr.io/onedr0p/postgres-init
+      tag: "16"
+    envFrom:
+      - secretRef:
+          name: dispatch-secret
+
+replicas: "1"
+
+service:
+  type: ClusterIP
+  port: 80
+
+features:
+  devMode: true
+  console: true
+
+corsDomains:   "*"
+
+envFromSecret: hasura-secret
+admin:
+  secretKey:  HASURA_GRAPHQL_ADMIN_SECRET
+jwt:
+  secretKey:  HASURA_GRAPHQL_JWT_SECRET
+postgres:
+  secretKey:  HASURA_GRAPHQL_DATABASE_URL
\ No newline at end of file