Agent
bfa102cf97
- Add database migration 006 for agent_key, agent_installed, agent_install_path, agent_last_seen_at columns - Add Server model methods: findByAgentKey, generateAgentKey, regenerateAgentKey, updateAgentLastSeen, setAgentInstalled - Auto-generate agent_key on server creation - Create AgentService for SSH-based install/uninstall of remote agent - Create bin/agent.sh - bash agent script for remote servers - Create install/agent-install.sh and install/agent-uninstall.sh - Create install/servermanager-agent.service systemd unit - Add POST /api/metrics/push endpoint (auth via agent_key) - Add web routes for agent install/uninstall/regenerate-key - Add agent status section to server detail view with install/uninstall modals - Make MonitoringService::saveMetrics() public for reuse
84 lines
1.9 KiB
Bash
84 lines
1.9 KiB
Bash
#!/bin/bash
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# ServerManager Monitoring Agent
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# This script runs as a systemd service on monitored servers.
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set -e
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CONFIG_FILE="/etc/servermanager/agent.conf"
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load_config() {
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if [ -f "$CONFIG_FILE" ]; then
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source "$CONFIG_FILE"
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fi
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SERVER_URL="${SERVER_URL:-}"
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AGENT_KEY="${AGENT_KEY:-}"
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INTERVAL="${INTERVAL:-60}"
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}
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collect_metrics() {
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CPU=$(top -bn1 2>/dev/null | grep 'Cpu(s)' | awk '{print $2}' | cut -d'%' -f1)
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[ -z "$CPU" ] && CPU=0
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RAM=$(free 2>/dev/null | grep Mem | awk '{printf "%.1f", $3/$2 * 100}')
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[ -z "$RAM" ] && RAM=0
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DISK=$(df / 2>/dev/null | tail -1 | awk '{print $5}' | sed 's/%//')
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[ -z "$DISK" ] && DISK=0
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LOAD=$(cat /proc/loadavg 2>/dev/null | awk '{print $1}')
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[ -z "$LOAD" ] && LOAD=0
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UPTIME=$(uptime -p 2>/dev/null | sed 's/^up //')
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[ -z "$UPTIME" ] && UPTIME=""
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}
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push_metrics() {
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local payload
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payload=$(cat <<EOF
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{
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"agent_key": "$AGENT_KEY",
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"cpu": $CPU,
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"ram": $RAM,
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"disk": $DISK,
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"load": $LOAD,
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"uptime": "$UPTIME"
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}
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EOF
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)
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curl -s -X POST "$SERVER_URL/api/metrics/push" \
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-H "Content-Type: application/json" \
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-d "$payload" \
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--connect-timeout 10 \
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--max-time 30 \
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-o /dev/null -w "%{http_code}" 2>/dev/null || echo "000"
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}
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main() {
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load_config
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if [ -z "$SERVER_URL" ] || [ -z "$AGENT_KEY" ]; then
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echo "ERROR: SERVER_URL and AGENT_KEY must be set in $CONFIG_FILE"
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exit 1
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fi
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echo "ServerManager Agent started"
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echo "Server: $SERVER_URL"
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echo "Interval: ${INTERVAL}s"
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sleep 5
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while true; do
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collect_metrics
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http_code=$(push_metrics)
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if [ "$http_code" = "200" ]; then
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echo "[$(date)] Metrics pushed successfully"
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else
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echo "[$(date)] Failed to push metrics (HTTP $http_code)"
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fi
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sleep "$INTERVAL"
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done
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}
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main
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