Files
NexusPBX/scripts/nexus-cluster
T

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2.9 KiB
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#!/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 show uptime" 2>/dev/null | grep -qi "uptime"; then
echo "HEALTHY"
else
echo "DEGRADED"
fi
;;
*)
echo "Usage: $0 {apply|stop|status|check}"
exit 1
;;
esac