88 lines
2.6 KiB
Bash
88 lines
2.6 KiB
Bash
#!/bin/bash
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set -euo pipefail
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PROMETHEUS_VERSION="2.53.0"
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TAILSCALE_IP="100.108.1.124"
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PROMETHEUS_DIR="/etc/prometheus"
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PROMETHEUS_DATA_DIR="/var/lib/prometheus"
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echo "Creating prometheus user and group..."
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if ! getent group prometheus >/dev/null; then
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groupadd --system prometheus
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fi
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if ! getent passwd prometheus >/dev/null; then
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useradd --system -g prometheus --no-create-home --shell /usr/sbin/nologin prometheus
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fi
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echo "Creating directories..."
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mkdir -p "$PROMETHEUS_DIR" "$PROMETHEUS_DATA_DIR"
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chown prometheus:prometheus "$PROMETHEUS_DIR" "$PROMETHEUS_DATA_DIR"
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echo "Downloading Prometheus v${PROMETHEUS_VERSION}..."
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cd /tmp
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wget -qO prometheus.tar.gz "https://github.com/prometheus/prometheus/releases/download/v${PROMETHEUS_VERSION}/prometheus-${PROMETHEUS_VERSION}.linux-amd64.tar.gz"
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echo "Extracting Prometheus..."
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tar -xf prometheus.tar.gz
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cd "prometheus-${PROMETHEUS_VERSION}.linux-amd64"
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echo "Installing binaries..."
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install -m 0755 -o prometheus -g prometheus prometheus promtool /usr/local/bin/
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echo "Installing consoles and libraries..."
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cp -a consoles console_libraries "$PROMETHEUS_DIR/"
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chown -R prometheus:prometheus "$PROMETHEUS_DIR/consoles" "$PROMETHEUS_DIR/console_libraries"
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echo "Creating configuration file..."
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cat <<EOF > "${PROMETHEUS_DIR}/prometheus.yml"
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global:
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scrape_interval: 15s
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evaluation_interval: 15s
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scrape_configs:
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- job_name: "prometheus"
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static_configs:
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- targets: ["${TAILSCALE_IP}:9090"]
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EOF
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chown prometheus:prometheus "${PROMETHEUS_DIR}/prometheus.yml"
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chmod 0644 "${PROMETHEUS_DIR}/prometheus.yml"
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echo "Creating systemd unit file..."
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cat <<EOF > /etc/systemd/system/prometheus.service
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[Unit]
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Description=Prometheus Time Series Collection and Processing Server
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Wants=network-online.target
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After=network-online.target
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[Service]
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User=prometheus
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Group=prometheus
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Type=simple
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ExecStart=/usr/local/bin/prometheus \\
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--config.file=${PROMETHEUS_DIR}/prometheus.yml \\
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--storage.tsdb.path=${PROMETHEUS_DATA_DIR} \\
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--web.console.templates=${PROMETHEUS_DIR}/consoles \\
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--web.console.libraries=${PROMETHEUS_DIR}/console_libraries \\
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--web.listen-address=${TAILSCALE_IP}:9090 \\
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--web.external-url=http://${TAILSCALE_IP}:9090/
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ExecReload=/bin/kill -HUP \$MAINPID
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Restart=on-failure
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RestartSec=5s
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LimitNOFILE=65536
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[Install]
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WantedBy=multi-user.target
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EOF
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chmod 0644 /etc/systemd/system/prometheus.service
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echo "Reloading systemd, enabling and starting prometheus..."
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systemctl daemon-reload
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systemctl enable prometheus
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systemctl restart prometheus
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echo "Checking Prometheus status..."
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systemctl status prometheus --no-pager || true
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echo "Prometheus setup completed successfully!"
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