Add ansible script for setting DNS propertly for temporary Janus CNAMES

ansible/dns.yml

@@ -0,0 +1,25 @@
+---
+
+- hosts: all
+  gather_facts: false
+
+  tasks:
+    - name: "Set Janus CNAME for {{ env }}-janus.{{ zone }} to {{ janus_host_name }}.{{ zone }}"
+      route53:
+        command: create
+        overwrite: true
+        zone: "{{ zone }}"
+        record: "{{ env }}-janus.{{ zone }}"
+        type: CNAME
+        value: "{{ janus_host_name }}.{{ zone }}"
+        ttl: 30
+
+    - name: "Set Janus CNAME for smoke-{{ env }}-janus.{{ zone }} to {{ janus_smoke_host_name }}.{{ zone }}"
+      route53:
+        command: create
+        overwrite: true
+        zone: "{{ zone }}"
+        record: "smoke-{{ env }}-janus.{{ zone }}"
+        type: CNAME
+        value: "{{ janus_smoke_host_name }}.{{ zone }}"
+        ttl: 30

ansible/dns_deploy.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+if [[ -z "$1" ]]; then
+  echo -e "
+Usage: dns_deploy.sh <hosted-zone-name> [environment] 
+
+Updates the (temporary) de-facto default DNS CNAMEs for Janus IPs in the specified environment.
+
+(dev-janus.<hosted-zone-name> and smoke-dev-janus.<hosted-zone-name>)
+"
+  exit 1
+fi
+
+ZONE=$1
+ENVIRONMENT=$2
+
+[[ -z "$ENVIRONMENT" ]] && ENVIRONMENT=dev
+
+REGION="us-west-1"
+
+EC2_INFO=$(aws ec2 --region $REGION describe-instances)
+
+JANUS_HOST_NAME=$(echo $EC2_INFO | jq -r ".Reservations | map(.Instances) | flatten | map(select(any(.Tags | from_entries ; .[\"host-type\"] == \"${ENVIRONMENT}-ret\" and .[\"smoke\"] == null))) | .[] | select(.State | .Code == 16) | .Tags | from_entries | .Name" | sort | head -n1)
+JANUS_SMOKE_HOST_NAME=$(echo $EC2_INFO | jq -r ".Reservations | map(.Instances) | flatten | map(select(any(.Tags | from_entries ; .[\"host-type\"] == \"${ENVIRONMENT}-ret\" and .[\"smoke\"] == \"true\"))) | .[] | select(.State | .Code == 16) | .Tags | from_entries .Name" | sort | head -n1)
+
+ansible-playbook -i "localhost," -c local -e "janus_host_name=$JANUS_HOST_NAME janus_smoke_host_name=$JANUS_SMOKE_HOST_NAME env=$ENVIRONMENT zone=$ZONE" "dns.yml"