修改脚本

This commit is contained in:
CN-JS-HuiBai
2026-04-06 01:16:26 +08:00
parent f711a1e5af
commit 048582791d

View File

@@ -62,72 +62,22 @@ else
echo "No TTY detected, using default port: $PORT"
fi
# Configure monitoring targets
if [ -d "/etc/prometheus" ]; then
TARGETS_DIR="/etc/prometheus/blackbox_targets"
echo "Prometheus detected, targets will be saved to $TARGETS_DIR"
# Create system user if not exists
if ! id -u blackbox_exporter >/dev/null 2>&1; then
echo "Creating blackbox_exporter system user..."
sudo useradd --no-create-home --shell /bin/false blackbox_exporter
fi
# Set permissions and capabilities
echo "Setting permissions and capabilities..."
sudo chown -R blackbox_exporter:blackbox_exporter /blackbox_exporter
# Grant raw socket capability for ICMP probing
if command -v setcap >/dev/null 2>&1; then
sudo setcap 'cap_net_raw+ep' /blackbox_exporter/blackbox_exporter
else
TARGETS_DIR="/blackbox_exporter/targets"
echo "Warning: setcap not found. ICMP probing might require root."
fi
if [ -t 0 ]; then
sudo mkdir -p "$TARGETS_DIR"
echo "========================================================="
echo "Configuring monitoring objects (interactive menu)"
echo "========================================================="
while true; do
echo "Choose a monitoring type to configure:"
echo "1) ICMP (Ping)"
echo "2) HTTP Status (2xx)"
echo "3) TCP Connect (Port Check)"
echo "4) Show Current Configuration"
echo "5) Finish Configuration"
read -rp "Your choice [1-5]: " CHOICE
case $CHOICE in
1|2|3)
case $CHOICE in
1) TYPE="icmp"; DESC="ICMP Ping"; EX="8.8.8.8";;
2) TYPE="http"; DESC="HTTP Status"; EX="https://google.com";;
3) TYPE="tcp"; DESC="TCP Connect"; EX="1.1.1.1:443";;
esac
read -rp "Clear existing $DESC targets? [y/N]: " CLEAR_EXIST
[[ "$CLEAR_EXIST" =~ ^[Yy]$ ]] && sudo rm -f "$TARGETS_DIR/$TYPE.yml"
while true; do
echo "--- Adding $DESC Object ---"
read -rp "Enter target (e.g. $EX, leave empty to stop): " T_VAL
[ -z "$T_VAL" ] && break
read -rp "Enter a descriptive name for this target: " T_NAME
[ ! -f "$TARGETS_DIR/$TYPE.yml" ] && sudo touch "$TARGETS_DIR/$TYPE.yml"
sudo tee -a "$TARGETS_DIR/$TYPE.yml" > /dev/null <<EOF
- targets: ['$T_VAL']
labels:
instance_name: '$T_NAME'
EOF
echo "Added $T_VAL ($T_NAME)"
done
;;
4)
echo "Current Target Configuration in $TARGETS_DIR:"
for f in "$TARGETS_DIR"/*.yml; do
[ -e "$f" ] || continue
echo "--- $(basename "$f") ---"
sudo cat "$f"
done
;;
5)
break
;;
*)
echo "Invalid choice. Please try again."
;;
esac
echo "---------------------------------------------------------"
done
fi
# Create systemd service file
@@ -140,10 +90,15 @@ Wants=network-online.target
After=network-online.target
[Service]
User=root
User=blackbox_exporter
Group=blackbox_exporter
WorkingDirectory=/blackbox_exporter
ExecStart=/blackbox_exporter/blackbox_exporter --config.file=/blackbox_exporter/blackbox.yml --web.listen-address=":${PORT}"
Restart=always
NoNewPrivileges=true
PrivateTmp=true
ProtectSystem=full
ProtectHome=true
[Install]
WantedBy=multi-user.target
@@ -154,69 +109,9 @@ echo "Enabling and starting blackbox_exporter service..."
sudo systemctl daemon-reload
sudo systemctl enable --now blackbox_exporter.service
# Automatically integrate with Prometheus if present
PROMETHEUS_YML="/etc/prometheus/prometheus.yml"
if [ -f "$PROMETHEUS_YML" ]; then
echo "Integrating with Prometheus..."
TEMP_CONF="/tmp/blackbox_jobs.yml"
rm -f "$TEMP_CONF"
# Mapping table for modules
# icmp -> icmp
# http -> http_2xx
# tcp -> tcp_connect
for type in icmp http tcp; do
MODULE_NAME="$type"
[ "$type" == "http" ] && MODULE_NAME="http_2xx"
[ "$type" == "tcp" ] && MODULE_NAME="tcp_connect"
if [ -f "$TARGETS_DIR/${type}.yml" ] && ! grep -q "job_name: 'blackbox-${type}'" "$PROMETHEUS_YML"; then
echo "Adding job: blackbox-${type}"
cat <<EOF >> "$TEMP_CONF"
- job_name: 'blackbox-${type}'
metrics_path: /probe
params:
module: [$MODULE_NAME]
file_sd_configs:
- files:
- $TARGETS_DIR/${type}.yml
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: 127.0.0.1:${PORT}
EOF
fi
done
if [ -f "$TEMP_CONF" ]; then
if [ -t 0 ]; then
read -rp "Found $PROMETHEUS_YML. Would you like to append the new blackbox jobs automatically? [y/N]: " DO_APPEND
else
DO_APPEND="y"
fi
if [[ "$DO_APPEND" =~ ^[Yy]$ ]]; then
cat "$TEMP_CONF" | sudo tee -a "$PROMETHEUS_YML" > /dev/null
echo "Jobs appended to $PROMETHEUS_YML."
if [ -f "/usr/bin/restart_prometheus" ]; then
echo "Restarting Prometheus..."
sudo /usr/bin/restart_prometheus
else
echo "Please restart Prometheus to apply changes."
fi
fi
else
echo "No new Blackbox jobs to add to $PROMETHEUS_YML."
fi
fi
echo "========================================================="
echo "Blackbox Exporter installation and integration completed!"
echo "Blackbox Exporter installation completed!"
echo "Listening on port: ${PORT}"
echo "Config file: /blackbox_exporter/blackbox.yml"
echo "========================================================="