fix(ha): orchestration Keepalived root, support unicast VRRP, preservation identite backup et synchro HTTPS

scripts/nexus-cluster

@@ -0,0 +1,79 @@
+#!/usr/bin/env bash
+# ==============================================================================
+# NexusPBX HA - Script Helper Root pour l'orchestration Keepalived
+# ==============================================================================
+set -euo pipefail
+export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH"
+
+CMD="${1:-status}"
+
+case "$CMD" in
+    apply)
+        # 1. Activation kernel sysctl pour liaison IP non-locale (indispensable HA)
+        sysctl -w net.ipv4.ip_nonlocal_bind=1 >/dev/null 2>&1 || true
+        if [ ! -f /etc/sysctl.d/99-nexus-ha.conf ]; then
+            echo "net.ipv4.ip_nonlocal_bind=1" > /etc/sysctl.d/99-nexus-ha.conf 2>/dev/null || true
+        fi
+
+        # 2. Vérification et installation éventuelle de Keepalived
+        if ! command -v keepalived >/dev/null 2>&1; then
+            apt-get update -qq && apt-get install -y -qq keepalived >/dev/null 2>&1 || true
+        fi
+
+        # 3. Création et sécurisation stricte du dossier des scripts Keepalived (exigences strictes Keepalived 2.x)
+        mkdir -p /etc/keepalived/scripts
+        if [ -d "/var/www/nexus-pbx/scripts/cluster" ]; then
+            cp -f /var/www/nexus-pbx/scripts/cluster/*.sh /etc/keepalived/scripts/ 2>/dev/null || true
+        fi
+        chown -R root:root /etc/keepalived
+        chmod 755 /etc/keepalived
+        chmod 755 /etc/keepalived/scripts
+        chmod 755 /etc/keepalived/scripts/*.sh 2>/dev/null || true
+
+        # 4. Déploiement de la configuration générée depuis /tmp
+        if [ -f "/tmp/keepalived.conf.tmp" ]; then
+            cp -f /tmp/keepalived.conf.tmp /etc/keepalived/keepalived.conf
+            chown root:root /etc/keepalived/keepalived.conf
+            chmod 644 /etc/keepalived/keepalived.conf
+            rm -f /tmp/keepalived.conf.tmp
+        fi
+
+        # Fichier journal du cluster accessible en écriture
+        touch /var/log/nexus_cluster.log
+        chmod 666 /var/log/nexus_cluster.log
+
+        # 5. Activation et démarrage du service
+        systemctl daemon-reload
+        systemctl unmask keepalived >/dev/null 2>&1 || true
+        systemctl enable keepalived >/dev/null 2>&1 || true
+        systemctl restart keepalived
+        echo "KEEPALIVED_APPLIED_OK"
+        ;;
+
+    stop)
+        systemctl stop keepalived >/dev/null 2>&1 || true
+        systemctl disable keepalived >/dev/null 2>&1 || true
+        echo "KEEPALIVED_STOPPED_OK"
+        ;;
+
+    status)
+        if systemctl is-active --quiet keepalived 2>/dev/null; then
+            echo "RUNNING"
+        else
+            echo "STOPPED"
+        fi
+        ;;
+
+    check)
+        if pidof asterisk >/dev/null 2>&1 && /usr/sbin/asterisk -rx "core ping" 2>/dev/null | grep -q "Pong"; then
+            echo "HEALTHY"
+        else
+            echo "DEGRADED"
+        fi
+        ;;
+
+    *)
+        echo "Usage: $0 {apply|stop|status|check}"
+        exit 1
+        ;;
+esac