From b456d07c45a670db2f95ae0a2e88de03e662fdc1 Mon Sep 17 00:00:00 2001
From: Lucas Hahn <lucas.hahn@novum-rgi.de>
Date: Fri, 9 Jul 2021 15:24:16 +0200
Subject: [PATCH] Add gitea ha support

---
 Chart.yaml             |  8 ++++++++
 pvc.yaml               | 11 +++++++++++
 templates/_helpers.tpl | 12 ++++++++++++
 values.yaml            | 39 +++++++++++++++++++++++++++++++--------
 4 files changed, 62 insertions(+), 8 deletions(-)
 create mode 100644 pvc.yaml

diff --git a/Chart.yaml b/Chart.yaml
index b28898d..325ffad 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -34,6 +34,10 @@ dependencies:
   repository: https://charts.bitnami.com/bitnami
   version: 5.9.0
   condition: memcached.enabled
+- name: redis-cluster
+  repository: https://charts.bitnami.com/bitnami
+  version: 6.2.3
+  condition: redis-cluster.enabled
 - name: mysql
   repository: https://charts.bitnami.com/bitnami
   version: 6.14.10
@@ -42,6 +46,10 @@ dependencies:
   repository: https://charts.bitnami.com/bitnami
   version: 10.3.17
   condition: postgresql.enabled
+- name: postgresql-ha
+  repository: https://charts.bitnami.com/bitnami
+  version: 7.7.3
+  condition: postgresql-ha.enabled
 - name: mariadb
   repository: https://charts.bitnami.com/bitnami
   version: 9.3.6
diff --git a/pvc.yaml b/pvc.yaml
new file mode 100644
index 0000000..c79c103
--- /dev/null
+++ b/pvc.yaml
@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: gitea-data-test
+  namespace: ndo
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 10Gi
\ No newline at end of file
diff --git a/templates/_helpers.tpl b/templates/_helpers.tpl
index e7d98ea..4182bf1 100644
--- a/templates/_helpers.tpl
+++ b/templates/_helpers.tpl
@@ -66,6 +66,8 @@ app.kubernetes.io/instance: {{ .Release.Name }}
 {{- define "db.servicename" -}}
 {{- if .Values.postgresql.enabled -}}
 {{- printf "%s-postgresql" .Release.Name -}}
+{{- else if (index .Values "postgresql-ha").enabled -}}
+{{- printf "%s-postgresql-ha-pgpool" .Release.Name -}}
 {{- else if .Values.mysql.enabled -}}
 {{- printf "%s-mysql" .Release.Name -}}
 {{- else if .Values.mariadb.enabled -}}
@@ -79,6 +81,8 @@ app.kubernetes.io/instance: {{ .Release.Name }}
 {{- define "db.port" -}}
 {{- if .Values.postgresql.enabled -}}
 {{ .Values.postgresql.global.postgresql.servicePort }}
+{{- else if (index .Values "postgresql-ha").enabled -}}
+{{ (index .Values "postgresql-ha").service.port }}
 {{- else if .Values.mysql.enabled -}}
 {{ .Values.mysql.service.port }}
 {{- else if .Values.mariadb.enabled -}}
@@ -88,7 +92,11 @@ app.kubernetes.io/instance: {{ .Release.Name }}
 {{- end -}}
 
 {{- define "postgresql.dns" -}}
+{{- if .Values.postgresql.enabled -}}
 {{- printf "%s-postgresql.%s.svc.%s:%g" .Release.Name .Release.Namespace .Values.clusterDomain .Values.postgresql.global.postgresql.servicePort -}}
+{{- else if (index .Values "postgresql-ha").enabled -}}
+{{- printf "%s-postgresql-ha-pgpool.%s.svc.%s:%g" .Release.Name .Release.Namespace .Values.clusterDomain (index .Values "postgresql-ha").service.port -}}
+{{- end -}}
 {{- end -}}
 
 {{- define "mysql.dns" -}}
@@ -103,6 +111,10 @@ app.kubernetes.io/instance: {{ .Release.Name }}
 {{- printf "%s-memcached.%s.svc.%s:%g" .Release.Name .Release.Namespace .Values.clusterDomain .Values.memcached.service.port | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
 
+{{- define "redis.dns" -}}
+{{- printf "redis://%s-redis-cluster.%s.svc.%s:%g/0?pool_size=100&idle_timeout=180s" .Release.Name .Release.Namespace .Values.clusterDomain (index .Values "redis-cluster").service.port -}}
+{{- end -}}
+
 {{- define "gitea.default_domain" -}}
 {{- printf "%s-gitea.%s.svc.%s" (include "gitea.fullname" .) .Release.Namespace .Values.clusterDomain | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
diff --git a/values.yaml b/values.yaml
index 18a8f20..17325eb 100644
--- a/values.yaml
+++ b/values.yaml
@@ -2,7 +2,7 @@
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.
 
-replicaCount: 1
+replicaCount: 2
 
 clusterDomain: cluster.local
 
@@ -114,12 +114,7 @@ statefulset:
 
 persistence:
   enabled: true
-  # existingClaim:
-  size: 10Gi
-  accessModes:
-    - ReadWriteOnce
-  labels: {}
-  annotations: {}
+  existingClaim: gitea-data-test
   # storageClass:
   # subPath:
 
@@ -195,7 +190,9 @@ gitea:
     #   customProfileUrl:
     #   customEmailUrl:
 
-  config: {}
+  config:
+    indexer:
+      ISSUE_INDEXER_TYPE: db
   #  APP_NAME: "Gitea: Git with a cup of tea"
   #  RUN_MODE: dev
   #
@@ -248,6 +245,17 @@ memcached:
   service:
     port: 11211
 
+redis-cluster:
+  enabled: false
+  global:
+    redis:
+      password: gitea
+  cluster:
+    nodes: 6
+    replicas: 1
+  service:
+    port: 6379
+
 postgresql:
   enabled: true
   global:
@@ -259,6 +267,21 @@ postgresql:
   persistence:
     size: 10Gi
 
+postgresql-ha:
+  enabled: false
+  global:
+    postgresql:
+      database: gitea
+      username: gitea
+      password: gitea
+      repmgrPassword: postgresql
+      repmgrUsername: postgresql
+      repmgrDatabase: repr
+  service:
+    port: 5432
+  persistence:
+    size: 10Gi
+
 mysql:
   enabled: false
   root: