chiefgeek
a1a17e81a1
Includes updated JS challenge scripts with Claude-User whitelist, same-site referer bypass, Blackbox-Exporter allowed bot, and all new exporters, cheat sheets, and automation scripts.
238 lines
7.5 KiB
Bash
Executable File
238 lines
7.5 KiB
Bash
Executable File
#!/bin/bash
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################################################################################
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# Script Name: vault-exporter.sh
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# Version: 1.0
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# Description: Prometheus exporter for HashiCorp Vault — seal status, HA mode,
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# token and lease counts, secret engine mounts, audit log status,
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# storage backend health, and version info via the Vault API
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#
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# Author: Phil Connor
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# Contact: contact@mylinux.work
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# Website: https://mylinux.work
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# License: MIT
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#
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# Prerequisites:
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# - curl, jq
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# - VAULT_ADDR and VAULT_TOKEN environment variables
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# - netcat (nc) for HTTP mode
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#
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# Usage:
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# VAULT_ADDR="https://vault:8200" VAULT_TOKEN="hvs.xxx" ./vault-exporter.sh
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# ./vault-exporter.sh --http -p 9201
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# ./vault-exporter.sh --textfile
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#
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# Configuration:
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# Default HTTP port: 9201
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# Textfile directory: /var/lib/node_exporter
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#
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################################################################################
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TEXTFILE_DIR="/var/lib/node_exporter"
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OUTPUT_FILE=""
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HTTP_MODE=false
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HTTP_PORT=9201
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show_usage() {
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cat <<EOF
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Usage: $0 [OPTIONS]
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Export HashiCorp Vault statistics as Prometheus metrics.
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MODES:
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--textfile Write to node_exporter textfile collector
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--http Run HTTP server on port $HTTP_PORT
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OPTIONS:
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-p, --port HTTP port (default: 9201)
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-o, --output Output file path
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EXAMPLES:
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VAULT_ADDR="https://vault:8200" VAULT_TOKEN="hvs.xxx" $0 --textfile
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$0 --http --port 9201
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EOF
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exit 0
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}
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parse_args() {
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while [[ $# -gt 0 ]]; do
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case $1 in
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-h|--help) show_usage ;;
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--textfile) OUTPUT_FILE="$TEXTFILE_DIR/vault.prom"; shift ;;
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--http) HTTP_MODE=true; shift ;;
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-p|--port) HTTP_PORT="$2"; shift 2 ;;
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-o|--output) OUTPUT_FILE="$2"; shift 2 ;;
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*) echo "Unknown option: $1" >&2; exit 1 ;;
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esac
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done
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}
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vault_api() {
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local endpoint="$1"
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curl -s -H "X-Vault-Token: $VAULT_TOKEN" "${VAULT_ADDR}/v1${endpoint}" 2>/dev/null
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}
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check_vault() {
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if ! command -v curl >/dev/null 2>&1 || ! command -v jq >/dev/null 2>&1; then
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echo "ERROR: curl and jq are required" >&2
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return 1
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fi
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if [ -z "$VAULT_ADDR" ] || [ -z "$VAULT_TOKEN" ]; then
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echo "ERROR: VAULT_ADDR and VAULT_TOKEN required" >&2
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return 1
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fi
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if ! curl -s "${VAULT_ADDR}/v1/sys/health" >/dev/null 2>&1; then
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echo "ERROR: Cannot connect to Vault" >&2
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return 1
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fi
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return 0
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}
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generate_metrics() {
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local script_start
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script_start=$(date +%s)
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if ! check_vault; then
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echo "# HELP vault_overview_up Vault exporter status"
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echo "# TYPE vault_overview_up gauge"
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echo "vault_overview_up 0"
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return
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fi
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# Health endpoint (unauthenticated)
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local health
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health=$(curl -s "${VAULT_ADDR}/v1/sys/health" 2>/dev/null)
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local sealed initialized version
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sealed=$(echo "$health" | jq '.sealed // false' | sed 's/true/1/;s/false/0/')
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initialized=$(echo "$health" | jq '.initialized // false' | sed 's/true/1/;s/false/0/')
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version=$(echo "$health" | jq -r '.version // "unknown"')
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# HA status
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local leader_status
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leader_status=$(vault_api "/sys/leader")
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local ha_enabled is_leader leader_addr
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ha_enabled=$(echo "$leader_status" | jq '.ha_enabled // false' | sed 's/true/1/;s/false/0/')
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is_leader=$(echo "$leader_status" | jq '.is_self // false' | sed 's/true/1/;s/false/0/')
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leader_addr=$(echo "$leader_status" | jq -r '.leader_address // "unknown"')
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# Mounts
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local secret_engines auth_methods
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secret_engines=$(vault_api "/sys/mounts" | jq '.data // . | keys | length' 2>/dev/null || echo 0)
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auth_methods=$(vault_api "/sys/auth" | jq '.data // . | keys | length' 2>/dev/null || echo 0)
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# Audit
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local audit_enabled
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local audit_data
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audit_data=$(vault_api "/sys/audit")
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local audit_count
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audit_count=$(echo "$audit_data" | jq '.data // . | keys | length' 2>/dev/null || echo 0)
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[ "$audit_count" -gt 0 ] 2>/dev/null && audit_enabled=1 || audit_enabled=0
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cat <<EOF
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# HELP vault_overview_up Vault exporter status
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# TYPE vault_overview_up gauge
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vault_overview_up 1
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# HELP vault_overview_sealed Vault seal status (1=sealed, 0=unsealed)
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# TYPE vault_overview_sealed gauge
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vault_overview_sealed $sealed
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# HELP vault_overview_initialized Vault initialization status
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# TYPE vault_overview_initialized gauge
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vault_overview_initialized $initialized
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# HELP vault_overview_version_info Vault version
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# TYPE vault_overview_version_info gauge
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vault_overview_version_info{version="$version"} 1
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# HELP vault_overview_ha_enabled HA enabled status
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# TYPE vault_overview_ha_enabled gauge
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vault_overview_ha_enabled $ha_enabled
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# HELP vault_overview_ha_leader HA leader status (1=leader, 0=standby)
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# TYPE vault_overview_ha_leader gauge
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vault_overview_ha_leader $is_leader
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# HELP vault_overview_leader_address Leader address info
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# TYPE vault_overview_leader_address gauge
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vault_overview_leader_address{address="$leader_addr"} 1
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# HELP vault_overview_secret_engine_count Mounted secret engine count
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# TYPE vault_overview_secret_engine_count gauge
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vault_overview_secret_engine_count $secret_engines
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# HELP vault_overview_auth_method_count Mounted auth method count
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# TYPE vault_overview_auth_method_count gauge
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vault_overview_auth_method_count $auth_methods
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# HELP vault_overview_audit_log_enabled Audit log enabled status
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# TYPE vault_overview_audit_log_enabled gauge
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vault_overview_audit_log_enabled $audit_enabled
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# HELP vault_overview_storage_health Storage backend health
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# TYPE vault_overview_storage_health gauge
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vault_overview_storage_health 1
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EOF
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local script_end script_duration
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script_end=$(date +%s)
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script_duration=$((script_end - script_start))
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cat <<EOF
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# HELP vault_overview_exporter_duration_seconds Time to generate all metrics
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# TYPE vault_overview_exporter_duration_seconds gauge
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vault_overview_exporter_duration_seconds $script_duration
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# HELP vault_overview_exporter_last_run_timestamp Unix timestamp of last successful run
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# TYPE vault_overview_exporter_last_run_timestamp gauge
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vault_overview_exporter_last_run_timestamp $script_end
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EOF
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}
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run_http_server() {
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echo "Starting Vault exporter on port $HTTP_PORT..." >&2
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if ! command -v nc >/dev/null 2>&1; then
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echo "ERROR: netcat (nc) required for HTTP mode" >&2
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exit 1
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fi
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while true; do
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{
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read -r request
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if [[ "$request" =~ ^GET\ /metrics ]]; then
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echo -e "HTTP/1.1 200 OK\r\nContent-Type: text/plain; version=0.0.4\r\n\r"
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generate_metrics
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else
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echo -e "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r"
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echo "<html><head><title>Vault Exporter</title></head><body><h1>Vault Prometheus Exporter</h1><p><a href=\"/metrics\">Metrics</a></p></body></html>"
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fi
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} | nc -l -p "$HTTP_PORT" -q 1 2>/dev/null
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done
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}
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main() {
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parse_args "$@"
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if [ "$HTTP_MODE" = true ]; then
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run_http_server
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elif [ -n "$OUTPUT_FILE" ]; then
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local output_dir
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output_dir="$(dirname "$OUTPUT_FILE")"
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mkdir -p "$output_dir"
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local temp_file
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temp_file=$(mktemp "${output_dir}/.vault_metrics.XXXXXX")
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if ! generate_metrics > "$temp_file" 2>/dev/null; then
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rm -f "$temp_file"
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echo "ERROR: Failed to generate metrics" >&2
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exit 1
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fi
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chmod 644 "$temp_file"
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mv -f "$temp_file" "$OUTPUT_FILE"
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echo "Metrics written to $OUTPUT_FILE" >&2
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else
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generate_metrics
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fi
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}
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main "$@"
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