Use status endpoint for readiness check

Author: thespad

root/etc/s6-overlay/s6-rc.d/svc-unifi-controller/data/check

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+if [[ $(curl -skL "https://localhost:${WEB_PORT:-8443}/status" | jq -r '.meta.up' 2>/dev/null) = true ]]; then
+    exit 0
+else
+    exit 1
+fi

root/etc/s6-overlay/s6-rc.d/svc-unifi-controller/run

@@ -1,16 +1,18 @@
 #!/usr/bin/with-contenv bash
 # shellcheck shell=bash
 
+WEB_PORT=$(grep 'unifi.https.port=' '/config/data/system.properties' | awk -F '=' '{print $2}')
+
 if [[ -z ${MEM_LIMIT} ]] || [[ ${MEM_LIMIT} = "default" ]]; then
     MEM_LIMIT="1024"
 fi
 
 if [[ -z ${MEM_STARTUP} ]] || [[ ${MEM_STARTUP} = "default" ]]; then
     exec \
-        s6-notifyoncheck -d -n 300 -w 1000 -c "nc -z localhost 8443" \
+        s6-notifyoncheck -d -n 600 -w 1000 \
             cd /config s6-setuidgid abc java -Xmx"${MEM_LIMIT}M" -Dlog4j2.formatMsgNoLookups=true -jar /usr/lib/unifi/lib/ace.jar start;
 else
     exec \
-        s6-notifyoncheck -d -n 300 -w 1000 -c "nc -z localhost 8443" \
+        s6-notifyoncheck -d -n 600 -w 1000 \
             cd /config s6-setuidgid abc java -Xms"${MEM_STARTUP}M" -Xmx"${MEM_LIMIT}M" -Dlog4j2.formatMsgNoLookups=true -jar /usr/lib/unifi/lib/ace.jar start;
 fi