Updated error handling and bug
This commit is contained in:
136
freshStart.sh
136
freshStart.sh
@ -1,28 +1,71 @@
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#!/bin/bash
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# Exit on any error
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set -e
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echo "Starting Proxmox fresh installation script..."
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# Cleanup function for failed installations
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cleanup() {
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echo "Cleaning up on error..."
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systemctl stop node_exporter 2>/dev/null || true
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systemctl stop hwmon.timer 2>/dev/null || true
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systemctl disable node_exporter 2>/dev/null || true
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systemctl disable hwmon.timer 2>/dev/null || true
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rm -f /etc/systemd/system/node_exporter.service
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rm -f /etc/systemd/system/hwmon.service
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rm -f /etc/systemd/system/hwmon.timer
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rm -f /usr/local/bin/node_exporter
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rm -rf node_exporter-*.linux-amd64.tar.gz node_exporter-*.linux-amd64
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userdel node_exporter 2>/dev/null || true
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systemctl daemon-reload
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echo "Cleanup completed."
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}
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# Set trap for cleanup on error
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trap cleanup ERR
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# Install dependencies
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echo "Installing required packages..."
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apt-get update
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apt-get install -y python3-pip smartmontools iperf3 python3-psutil python3-requests, lm-sensors, neofetch
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apt-get install -y python3-pip smartmontools iperf3 python3-psutil python3-requests lm-sensors neofetch
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# Install Node Exporter
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echo "Installing Prometheus Node Exporter..."
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NODE_EXPORTER_VERSION="1.8.2"
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wget "https://github.com/prometheus/node_exporter/releases/download/v${NODE_EXPORTER_VERSION}/node_exporter-${NODE_EXPORTER_VERSION}.linux-amd64.tar.gz"
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tar xvfz node_exporter-*.linux-amd64.tar.gz
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# Create node_exporter user and group
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useradd -rs /bin/false node_exporter
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# Download Node Exporter with error handling
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echo "Downloading Node Exporter..."
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if ! wget --timeout=30 --tries=3 "https://github.com/prometheus/node_exporter/releases/download/v${NODE_EXPORTER_VERSION}/node_exporter-${NODE_EXPORTER_VERSION}.linux-amd64.tar.gz"; then
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echo "ERROR: Failed to download Node Exporter"
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exit 1
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fi
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# Extract with error checking
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if ! tar xvfz node_exporter-*.linux-amd64.tar.gz; then
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echo "ERROR: Failed to extract Node Exporter archive"
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exit 1
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fi
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# Check if user already exists
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if ! id "node_exporter" &>/dev/null; then
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echo "Creating node_exporter user..."
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useradd -rs /bin/false node_exporter
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else
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echo "node_exporter user already exists, skipping creation..."
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fi
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# Move binary to proper location
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mv node_exporter-${NODE_EXPORTER_VERSION}.linux-amd64/node_exporter /usr/local/bin/
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if ! mv node_exporter-${NODE_EXPORTER_VERSION}.linux-amd64/node_exporter /usr/local/bin/; then
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echo "ERROR: Failed to move Node Exporter binary"
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exit 1
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fi
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# Cleanup downloaded files
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rm -rf node_exporter-*.linux-amd64.tar.gz node_exporter-*.linux-amd64
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# Set proper permissions
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chown node_exporter:node_exporter /usr/local/bin/node_exporter
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chmod +x /usr/local/bin/node_exporter
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# Create node_exporter service file
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cat > /etc/systemd/system/node_exporter.service << 'EOL'
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[Unit]
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@ -44,16 +87,81 @@ systemctl daemon-reload
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systemctl enable node_exporter
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systemctl start node_exporter
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# Check if Node Exporter started successfully
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if ! systemctl is-active --quiet node_exporter; then
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echo "ERROR: Node Exporter failed to start"
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systemctl status node_exporter --no-pager || true
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exit 1
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fi
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# Install hwmon daemon
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echo "Installing hwmon daemon..."
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curl -o /etc/systemd/system/hwmon.service http://10.10.10.110:3000/JWS/hwmonDaemon/raw/branch/main/hwmon.service
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curl -o /etc/systemd/system/hwmon.timer http://10.10.10.110:3000/JWS/hwmonDaemon/raw/branch/main/hwmon.timer
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# Download hwmon service files with error handling
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echo "Downloading hwmon service files..."
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if ! curl --max-time 30 --retry 3 -o /etc/systemd/system/hwmon.service http://10.10.10.110:3000/JWS/hwmonDaemon/raw/branch/main/hwmon.service; then
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echo "ERROR: Failed to download hwmon.service"
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exit 1
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fi
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if ! curl --max-time 30 --retry 3 -o /etc/systemd/system/hwmon.timer http://10.10.10.110:3000/JWS/hwmonDaemon/raw/branch/main/hwmon.timer; then
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echo "ERROR: Failed to download hwmon.timer"
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exit 1
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fi
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# Verify downloaded files exist and are not empty
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if [[ ! -s /etc/systemd/system/hwmon.service ]]; then
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echo "ERROR: hwmon.service file is empty or missing"
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exit 1
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fi
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if [[ ! -s /etc/systemd/system/hwmon.timer ]]; then
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echo "ERROR: hwmon.timer file is empty or missing"
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exit 1
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fi
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# Create log directory for hwmon
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mkdir -p /var/log/hwmonDaemon
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# Start the hwmon daemon
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systemctl daemon-reload
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systemctl enable hwmon.timer
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systemctl start hwmon.timer
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# Test hwmon
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echo "Testing hwmon dry-run..."
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/usr/bin/env python3 -c "import urllib.request; exec(urllib.request.urlopen('http://10.10.10.110:3000/JWS/hwmonDaemon/raw/branch/main/hwmonDaemon.py').read().decode('utf-8'))" --dry-run
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# Check if hwmon timer started successfully
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if ! systemctl is-active --quiet hwmon.timer; then
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echo "ERROR: hwmon timer failed to start"
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systemctl status hwmon.timer --no-pager || true
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exit 1
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fi
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echo "Installation complete! Please verify all services are running correctly."
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# Final verification
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echo "Verifying installation..."
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echo "Node Exporter status: $(systemctl is-active node_exporter)"
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echo "hwmon timer status: $(systemctl is-active hwmon.timer)"
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echo "Node Exporter port check:"
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if ss -tlnp | grep :9100; then
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echo "✓ Node Exporter is listening on port 9100"
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else
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echo "WARNING: Node Exporter not listening on port 9100"
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fi
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# Test hwmon with error handling
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echo "Testing hwmon dry-run..."
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if ! /usr/bin/env python3 -c "import urllib.request; exec(urllib.request.urlopen('http://10.10.10.110:3000/JWS/hwmonDaemon/raw/branch/main/hwmonDaemon.py').read().decode('utf-8'))" --dry-run; then
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echo "WARNING: hwmon dry-run test failed, but services are installed"
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fi
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# Disable cleanup trap on successful completion
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trap - ERR
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echo "✓ Installation complete! All services are running correctly."
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echo ""
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echo "Services installed:"
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echo " - Node Exporter: http://$(hostname -I | awk '{print $1}'):9100/metrics"
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echo " - hwmon daemon: Monitoring system health every 15 minutes"
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echo ""
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echo "Log locations:"
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echo " - Node Exporter: journalctl -u node_exporter"
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echo " - hwmon: journalctl -u hwmon.service"
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echo " - hwmon logs: /var/log/hwmonDaemon/"
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