Init and fix ip_change_notifier script

.gitignore

@@ -4,4 +4,5 @@ jafner-net/config/ddns/ddclient/ddclient.conf
 service-key.json
 .terraform/
 .terraform.lock.hcl
-terraform/infrastructure/.tfvars
+terraform/infrastructure/.tfvars
+ip.tmp

fighter/scripts/ip_change_notifier.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+source ./webhook_secrets.env
+
+generate_post_data() {
+  cat <<EOF
+{
+  "content": "IP Address Changed",
+  "embeds": [{
+    "title": "IP Address Changed",
+    "description": "New IP: $1",
+    "color": "45973"
+  }]
+}
+EOF
+}
+
+IP=$(curl ipinfo.io/ip)
+
+if [ "$IP" != "$(cat ip.tmp)" ]; then
+  curl -H "Content-Type: application/json" -X POST -d "$(generate_post_data $IP)" $discord_webhook
+fi
+
+echo $IP > ip.tmp