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Add dynamic log level configuration with environment variable #354

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merged 1 commit into from
Dec 11, 2024
Merged

Add dynamic log level configuration with environment variable #354

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34 changes: 28 additions & 6 deletions src/logger.ts
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Original file line number Diff line number Diff line change
@@ -1,10 +1,32 @@
import * as winston from "winston"

const LOG_LEVELS = winston.config.syslog.levels
const DEFAULT_LOG_LEVEL = "debug"

const getLogLevel = (): string => {
const logLevelEnvVar = process.env.LOG_LEVEL
if (logLevelEnvVar) {
const isAllowedLogLevel = Object.keys(LOG_LEVELS)
.find(level => logLevelEnvVar.toLowerCase() === level.toLowerCase())
if (!isAllowedLogLevel) {
console.log("Unsupported log level: ", logLevelEnvVar)
} else {
return isAllowedLogLevel
}
}
return DEFAULT_LOG_LEVEL


}

export const logger = winston.createLogger({
format: winston.format.combine(
winston.format.timestamp({ format: "YYYY-MM-DD HH:mm:ss" }),
winston.format.json()
),
levels: winston.config.syslog.levels,
transports: [ new winston.transports.Console() ],
format: winston.format.combine(
winston.format.timestamp({ format: "YYYY-MM-DD HH:mm:ss" }),
winston.format.json()
),
level: getLogLevel(),
levels: LOG_LEVELS,
transports: [new winston.transports.Console()],
})


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