chore(hammerspoon): temporary ip link on NextDNS

.ejson/secrets.tmpl.json

@@ -1,6 +1,9 @@
 {
   "_public_key": "6bf53a356a4b8abbc9a41ae2912787e56853e211653bb23d5da4a87ba6c9df6f",
   "data": {
+    "global": {
+      "nextDNSLinkIPURL": "op://Personal/NextDNS/main/url"
+    },
     "networks": {
       "home": {
         "fqdn": "op://Home/Wireless Router/FQDN",

.shadow.d/.hammerspoon/tags/personal.lua

@@ -1,3 +1,20 @@
 -- pcall(require, "types.hammerspoon")
 
--- local logger = hs.logger.new("personal", "info")
+local logger = hs.logger.new("personal", "verbose")
+
+logger.i("loading personal tag settings")
+
+local linkIPURL = os.getenv("NEXTDNS_LINK_IP_URL")
+
+if linkIPURL == nil or linkIPURL:len() <= 0 then
+  logger.w("NEXTDNS_LINK_IP_URL unset or empty, skipping reachability callback")
+else
+  hs.network.reachability.forAddress("172.24.174.4"):setCallback(function(self, flags)
+    if (flags & hs.network.reachability.flags.isLocalAddress) > 0 then
+      logger.i("VPN is up!")
+      hs.http.get(linkIPURL, nil)
+    else
+      logger.i("VPN is down!")
+    end
+  end):start()
+end

private_dot_config/exact_private_environment.d/private_global.conf.tmpl

@@ -0,0 +1,2 @@
+{{- /* cspell:disable */ -}}
+NEXTDNS_LINK_IP_URL={{ .global.nextDNSLinkIPURL }}