From 0b4c61dfe1102519157b8f8896a779fa9343a743 Mon Sep 17 00:00:00 2001
From: Quentin Dufour <quentin@deuxfleurs.fr>
Date: Sun, 4 Apr 2021 20:04:25 +0200
Subject: [PATCH] Try to optimize Consul

---
 os/config/production.yml                      | 22 +++++++++----------
 .../roles/consul/templates/consul.json.j2     |  5 ++++-
 2 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/os/config/production.yml b/os/config/production.yml
index 8870b52..d8baf14 100644
--- a/os/config/production.yml
+++ b/os/config/production.yml
@@ -4,9 +4,9 @@ cluster_nodes:
       ansible_host: atuin.site.deuxfleurs.fr
       ansible_port: 110
       ansible_become: true
-      ipv4: 192.168.1.2
-      gatewayv4: 192.168.1.254
-      ipv6: 2a01:e34:ec5c:dbe0::2
+      ipv4: 192.168.0.2
+      gatewayv4: 192.168.0.254
+      ipv6: 2a01:e0a:260:b5b0::2
       gatewayv6: 2a01:e34:ec5c:dbe0::1
       interface: eno1
       dns_1: 212.27.40.240
@@ -17,10 +17,10 @@ cluster_nodes:
       ansible_host: atuin.site.deuxfleurs.fr
       ansible_port: 111
       ansible_become: true
-      ipv4: 192.168.1.3 
-      gatewayv4: 192.168.1.254
-      ipv6: 2a01:e34:ec5c:dbe0::3
-      gatewayv6: 2a01:e34:ec5c:dbe0::1
+      ipv4: 192.168.0.3 
+      gatewayv4: 192.168.0.254
+      ipv6: 2a01:e0a:260:b5b0::3
+      gatewayv6: 2a01:e0a:260:b5b0::1
       interface: eno1 
       dns_1: 212.27.40.240
       dns_2: 212.27.40.241
@@ -30,10 +30,10 @@ cluster_nodes:
       ansible_host: atuin.site.deuxfleurs.fr
       ansible_port: 112
       ansible_become: true
-      ipv4: 192.168.1.4
-      gatewayv4: 192.168.1.254
-      ipv6: 2a01:e34:ec5c:dbe0::4
-      gatewayv6: 2a01:e34:ec5c:dbe0::1
+      ipv4: 192.168.0.4
+      gatewayv4: 192.168.0.254
+      ipv6: 2a01:e0a:260:b5b0::4
+      gatewayv6: 2a01:e0a:260:b5b0::1
       interface: eno1
       dns_1: 212.27.40.240
       dns_2: 212.27.40.241
diff --git a/os/config/roles/consul/templates/consul.json.j2 b/os/config/roles/consul/templates/consul.json.j2
index 6172cc4..73446fe 100644
--- a/os/config/roles/consul/templates/consul.json.j2
+++ b/os/config/roles/consul/templates/consul.json.j2
@@ -24,10 +24,13 @@
   "encrypt": "{{ consul_gossip_encrypt }}",
   "domain": "2.cluster.deuxfleurs.fr",
   "performance": {
-    "raft_multiplier": 10,
+    "raft_multiplier": 5,
     "rpc_hold_timeout": "30s",
     "leave_drain_time": "30s"
   },
+  "dns_config": {
+    "allow_stale": true
+  },
   "telemetry": {
     "disable_hostname": true,
     "prometheus_retention_time": "2h"