Proxmox HA: Fix false FAILED alerts and suppress cron notification emails

Fixed two critical issues with HA monitoring:
1. False positive quorum errors - corosync-quorumtool not in cron PATH
2. Unwanted cron emails from PVE::Notify INFO messages to STDERR

Changes:
- Set proper PATH including /usr/sbin for corosync-quorumtool
- Split notification code: verbose shows all, non-verbose redirects STDERR to /dev/null
- Prevents cron from sending duplicate notification emails

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

proxmox/ha-monitor.sh

@@ -28,6 +28,9 @@
 # =============
 # Template-urile sunt create automat de script la prima rulare
 
+# Set proper PATH for cron execution (includes /usr/sbin for corosync-quorumtool)
+PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+
 HOSTNAME=$(hostname)
 FQDN=$(hostname -f)
 DATE=$(date '+%Y-%m-%d %H:%M:%S')
@@ -296,12 +299,14 @@ else
 fi
 
 # Trimite notificarea prin PVE::Notify cu tipul "ha-status"
-perl -I/usr/share/perl5 << EOF
+# Redirecționează STDERR către /dev/null pentru modul non-verbose (previne emailuri de la cron)
+if [ "$1" == "--verbose" ] || [ "$1" == "-v" ]; then
+    # Modul verbose - afișează toate mesajele
+    perl -I/usr/share/perl5 << EOF
 use strict;
 use warnings;
 use PVE::Notify;
 
-# Date pentru template (în format JSON-like pentru Perl)
 my \$template_data = {
     'hostname' => '$FQDN',
     'status' => '$STATUS',
@@ -309,15 +314,12 @@ my \$template_data = {
     'details' => '$DETAILS'
 };
 
-# Metadata pentru matcher
 my \$fields = {
     'hostname' => '$HOSTNAME',
     'type' => 'ha-status',
     'status' => '$STATUS'
 };
 
-# Trimite notificarea cu tipul "ha-status"
-# Va folosi template-urile din /etc/pve/notification-templates/default/ha-status-*
 eval {
     PVE::Notify::notify('$SEVERITY', 'ha-status', \$template_data, \$fields);
     print "Notification sent successfully\\n";
@@ -327,8 +329,37 @@ if (\$@) {
     exit 1;
 }
 EOF
+    PERL_EXIT_CODE=$?
+else
+    # Modul non-verbose - suprimă mesajele INFO pentru a preveni emailuri de la cron
+    perl -I/usr/share/perl5 << EOF 2>/dev/null
+use strict;
+use warnings;
+use PVE::Notify;
 
-PERL_EXIT_CODE=$?
+my \$template_data = {
+    'hostname' => '$FQDN',
+    'status' => '$STATUS',
+    'runtime' => '$RUNTIME',
+    'details' => '$DETAILS'
+};
+
+my \$fields = {
+    'hostname' => '$HOSTNAME',
+    'type' => 'ha-status',
+    'status' => '$STATUS'
+};
+
+eval {
+    PVE::Notify::notify('$SEVERITY', 'ha-status', \$template_data, \$fields);
+};
+if (\$@) {
+    print STDERR "Failed to send notification: \$@\\n";
+    exit 1;
+}
+EOF
+    PERL_EXIT_CODE=$?
+fi
 
 # Log local
 echo "$(date): HA status check completed - $STATUS, notification exit code: $PERL_EXIT_CODE" >> /var/log/pve-ha-monitor.log