From fd731971d3207727b0e78c42bd8e99b2dcfbfaab Mon Sep 17 00:00:00 2001
From: Ian Fijolek <ian@iamthefij.com>
Date: Sun, 27 Nov 2022 22:46:25 -0800
Subject: [PATCH] Try to stabilize DNS

Add all cluster nodes to each nodes resolv.conf and update blocky config
template to delay render on update to avoid unnecessary restarts
---
 ansible_playbooks/setup-cluster.yml | 3 ++-
 core/blocky/blocky.nomad            | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ansible_playbooks/setup-cluster.yml b/ansible_playbooks/setup-cluster.yml
index baa8d4f..bf3186e 100644
--- a/ansible_playbooks/setup-cluster.yml
+++ b/ansible_playbooks/setup-cluster.yml
@@ -63,7 +63,8 @@
       lineinfile:
         dest: /etc/resolv.conf
         create: true
-        line: "nameserver {{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}"
+        line: "nameserver {{ hostvars[item].ansible_default_ipv4.address }}"
+      loop: "{{ ansible_play_hosts }}"
       become: true
 
 - name: Setup Vault cluster
diff --git a/core/blocky/blocky.nomad b/core/blocky/blocky.nomad
index 1b07113..dde5980 100644
--- a/core/blocky/blocky.nomad
+++ b/core/blocky/blocky.nomad
@@ -129,6 +129,11 @@ job "blocky" {
         data = var.config_data
         destination = "app/config.yml"
         splay = "1m"
+
+        wait {
+          min = "10s"
+          max = "20s"
+        }
       }
     }