156 lines
3.6 KiB
Bash
156 lines
3.6 KiB
Bash
#!/bin/bash
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set -e
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INSTALL_DIR="/opt/server-monitor"
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AGENT="$INSTALL_DIR/monitor-agent.sh"
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CONFIG="$INSTALL_DIR/config.env"
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CRON_CMD="$AGENT >/dev/null 2>&1"
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API_URL="https://itschool.pbcv.dev/api/report.php"
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# ============================
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# CHECK ROOT
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# ============================
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if [[ $EUID -ne 0 ]]; then
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echo " Run as root (sudo)"
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exit 1
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fi
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echo " Installing Server Monitor Agent (IPv4 only)..."
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# ============================
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# CREATE DIR
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# ============================
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mkdir -p "$INSTALL_DIR"
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chmod 755 "$INSTALL_DIR"
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# ============================
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# CONFIG FILE
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# ============================
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cat > "$CONFIG" <<EOF
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API_URL="$API_URL"
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EOF
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chmod 600 "$CONFIG"
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# ============================
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# AGENT SCRIPT
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# ============================
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cat > "$AGENT" <<'EOF'
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#!/bin/bash
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set -e
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source /opt/server-monitor/config.env
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HOSTNAME=$(hostname)
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# ============================
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# CPU
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# ============================
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CPU_LOAD=$(uptime | awk -F'load average:' '{print $2}' | cut -d',' -f1 | xargs)
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CPU_CORES=$(nproc)
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# ============================
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# RAM / SWAP
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# ============================
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RAM_TOTAL=$(free -m | awk '/Mem:/ {print $2}')
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RAM_USED=$(free -m | awk '/Mem:/ {print $3}')
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SWAP_TOTAL=$(free -m | awk '/Swap:/ {print $2}')
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SWAP_USED=$(free -m | awk '/Swap:/ {print $3}')
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# ============================
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# DISK (KB)
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# ============================
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DISK_TOTAL=$(df -k / | awk 'NR==2 {print $2}')
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DISK_USED=$(df -k / | awk 'NR==2 {print $3}')
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# ============================
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# NETWORK (IPv4 ONLY)
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# ============================
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IFACE=$(ip -4 route get 1.1.1.1 2>/dev/null | awk '{print $5; exit}')
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RX_BYTES=$(cat /sys/class/net/$IFACE/statistics/rx_bytes)
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TX_BYTES=$(cat /sys/class/net/$IFACE/statistics/tx_bytes)
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# ============================
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# PROCESSES
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# ============================
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PROC_TOTAL=$(ps ax --no-headers | wc -l)
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PROC_ZOMBIE=$(ps axo stat | grep -c Z || true)
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# ============================
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# SYSTEMD
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# ============================
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FAILED_SERVICES=$(systemctl --failed --no-legend 2>/dev/null | wc -l)
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# ============================
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# NETWORK PORTS (IPv4 ONLY)
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# ============================
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OPEN_PORTS=$(ss -4 -lntu | tail -n +2 | wc -l)
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# ============================
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# OS / KERNEL
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# ============================
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OS_NAME=$(lsb_release -ds 2>/dev/null || grep PRETTY_NAME /etc/os-release | cut -d= -f2 | tr -d '"')
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KERNEL=$(uname -r)
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ARCH=$(uname -m)
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# ============================
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# UPTIME
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# ============================
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UPTIME=$(uptime -p)
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# ============================
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# SEND DATA (IPv4 FORCED)
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# ============================
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curl -4 -s -X POST "$API_URL" \
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-H "Content-Type: application/json" \
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-d "{
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\"hostname\": \"$HOSTNAME\",
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\"cpu\": \"$CPU_LOAD\",
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\"cpu_cores\": $CPU_CORES,
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\"ram_used\": $RAM_USED,
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\"ram_total\": $RAM_TOTAL,
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\"swap_used\": $SWAP_USED,
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\"swap_total\": $SWAP_TOTAL,
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\"disk_used\": $DISK_USED,
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\"disk_total\": $DISK_TOTAL,
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\"rx_bytes\": $RX_BYTES,
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\"tx_bytes\": $TX_BYTES,
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\"processes\": $PROC_TOTAL,
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\"zombies\": $PROC_ZOMBIE,
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\"failed_services\": $FAILED_SERVICES,
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\"open_ports\": $OPEN_PORTS,
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\"os\": \"$OS_NAME\",
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\"kernel\": \"$KERNEL\",
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\"arch\": \"$ARCH\",
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\"uptime\": \"$UPTIME\"
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}"
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EOF
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chmod +x "$AGENT"
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# ============================
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# CRON (no duplicates)
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# ============================
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(
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crontab -l 2>/dev/null | grep -v "$AGENT" || true
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echo "* * * * * $CRON_CMD"
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) | crontab -
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# ============================
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# FINAL
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# ============================
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echo " Server Monitor installed successfully (IPv4 only)"
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echo " Reporting to: $API_URL"
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echo " Interval: every 1 minute"
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echo " Test manual: $AGENT"
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