Files
spark-mcp/.env.example
T
tao.chenandClaude 7f8960823b config: GIN_MODE 改为环境变量配置 + Load() 自动加载 .env
main.go 硬编码 gin.ReleaseMode 改成读 cfg.GinMode(默认 release),
方便生产/调试切换 debug/release/test。Load() 开头先调 loadDotenv
(".env"): 缺文件静默跳过,shell env 优先于 .env,跳过注释/空行/
无 '=' 行并 slog.Warn。仅用标准库,不引新依赖。

验证:
  - go build / go vet / go test 全部通过
  - shell env 覆盖 .env (LISTEN_ADDR=:19090 覆盖 .env 的 :18080)
  - 仅 .env 时正确加载 (监听 18080, GIN_MODE=debug 输出 [GIN-debug])
  - 无 .env 且无 shell env 时清晰报错 ADMIN_TOKENS is not set

Co-Authored-By: Claude <noreply@anthropic.com>
2026-07-13 13:48:35 +08:00

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# spark-mcp-go environment configuration
# Copy to .env and edit the *REQUIRED* values.
# HTTP listen address (default: :8080)
LISTEN_ADDR=:8080
# Root directory for SQLite, uploads, and logs (default: ./data)
DATA_DIR=./data
# *REQUIRED* Comma-separated admin bearer tokens for /admin/* endpoints
ADMIN_TOKENS=change-me-admin-token-1,change-me-admin-token-2
# *REQUIRED* Agent bearer token for /mcp endpoints
AGENT_TOKEN=change-me-agent-token
# Timeout for fetch_url and RM tool HTTP calls (default: 30s)
HTTP_CLIENT_TIMEOUT=30s
# Maximum HTTP response bytes before truncation (default: 1048576)
MAX_RESPONSE_BYTES=1048576
# Timeout for spark-submit process execution (default: 60s)
SPARK_SUBMIT_TIMEOUT=60s
# Log directory (default: ./data/logs)
LOG_DIR=./data/logs
# Log level: debug, info, warn, error (default: info)
LOG_LEVEL=info
# Log format: text (terminal) or json (log file; default: text)
LOG_FORMAT=text
# Gin mode: debug, release, test (default: release)
GIN_MODE=release
# Analyzer heuristic thresholds (defaults shown)
ANALYZER_DATA_SKEW_RATIO=3.0
ANALYZER_GC_PRESSURE_RATIO=0.1
ANALYZER_BOTTLENECK_SHUFFLE_GB=50