kube transfer to single-node host

ddns/README.md

@@ -1,6 +1,14 @@
 # DDNS Service
 
+Since we occasionally need an ipv4 address we'll make one.
+
+This creates and keeps updated `ipv4.reeselink.com`.
+
 This requires the aws cli to be installed on each node with credentials that can modify
 records in route53.
 
 <https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html>
+
+```bash
+ansible-playbook -i ansible/inventory.yaml ddns/install_ddns.yaml
+```

ddns/ddns.service

@@ -1,5 +1,5 @@
 [Unit]
-Description=Updates the {{ fqdn }} and *.{{ fqdn }} record with the current public IPV4 address
+Description=Updates the {{ fqdn }} record with the current public IPV4 address
 
 [Service]
 ExecStart=/usr/local/scripts/ddns.sh

ddns/ddns.sh

@@ -5,7 +5,8 @@ PUBLIC_IP=$(curl -4 ifconfig.me)
 # Update *.{{ fqdn }} and {{ fqdn }}
 cat /etc/ddns/record_template.json \
   | jq '.Changes[0].ResourceRecordSet.ResourceRecords[0].Value = "'$PUBLIC_IP'"' \
-  | jq '.Changes[1].ResourceRecordSet.ResourceRecords[0].Value = "'$PUBLIC_IP'"' \
    > /etc/ddns/record.json
 # aws cli to update a record
 aws route53 change-resource-record-sets --hosted-zone-id {{ hosted_zone_id }} --change-batch file:///etc/ddns/record.json
+
+PUBLIC_IPV6=$(dig -t aaaa +short myip.opendns.com @resolver1.opendns.com)

ddns/record_template.json

@@ -1,19 +1,6 @@
 {
   "Comment": "Update Public IPV4 Address",
   "Changes": [
-    {
-      "Action": "UPSERT",
-      "ResourceRecordSet": {
-        "Name": "*.{{ fqdn }}.",
-        "Type": "A",
-        "TTL": 300,
-        "ResourceRecords": [
-          {
-            "Value": ""
-          }
-        ]
-      }
-    },
     {
         "Action": "UPSERT",
         "ResourceRecordSet": {

ddns/vars.yaml

@@ -1,2 +1,2 @@
-hosted_zone_id: Z012820733346FJ0U4FUF
-fqdn: reeseapps.com
+hosted_zone_id: Z0092652G7L97DSINN18
+fqdn: ipv4.reeselink.com