From 24995c3a050c9fb56b9e36a750e72a620809d3a3 Mon Sep 17 00:00:00 2001
From: Tanguy Herbron <tanguy.herbron@outlook.com>
Date: Sat, 20 Jan 2024 00:36:19 +0100
Subject: [PATCH] feat: HA and move PVC to redundant storage class

---
 manifests/database.yaml   | 4 ++--
 manifests/deployment.yaml | 9 ++++++++-
 manifests/pvc.yaml        | 4 ++--
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/manifests/database.yaml b/manifests/database.yaml
index f741207..46c75a9 100644
--- a/manifests/database.yaml
+++ b/manifests/database.yaml
@@ -5,11 +5,11 @@ metadata:
   namespace: synapse
 
 spec:
-  instances: 1
+  instances: 3
 
   storage: 
     size: 5Gi
-    storageClass: flat-storage-class
+    storageClass: redundant-storage-class
 
   bootstrap:
     initdb:
diff --git a/manifests/deployment.yaml b/manifests/deployment.yaml
index 78f4cf1..98a2e1e 100644
--- a/manifests/deployment.yaml
+++ b/manifests/deployment.yaml
@@ -4,7 +4,7 @@ metadata:
   name: synapse
   namespace: synapse
 spec:
-  replicas: 1
+  replicas: 2
   selector:
     matchLabels:
       app: synapse
@@ -13,6 +13,13 @@ spec:
       labels:
         app: synapse
     spec:
+      topologySpreadConstraints:
+        - maxSkrew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: DoNotSchedule
+          labelSelector:
+            matchLabels:
+              app: synapse
       securityContext:
         fsGroup: 991
       containers:
diff --git a/manifests/pvc.yaml b/manifests/pvc.yaml
index 0a50fa7..fe395ca 100644
--- a/manifests/pvc.yaml
+++ b/manifests/pvc.yaml
@@ -5,8 +5,8 @@ metadata:
   namespace: synapse
 spec:
     accessModes:
-        - ReadWriteOnce
-    storageClassName: flat-storage-class
+        - ReadWriteMany
+    storageClassName: redundant-storage-class
     resources:
         requests:
             storage: 1Gi