问题
I'm trying to match LogMsg in log lines from log file to Prometheus.
LOGLINE: {"LogLevel":"INFO","LogMsg":"MESSAGE MSG","Time":"2019-07-19_03:59:15.583"} MATCH : ** what is the pattern **
how to create a pattern to match LogLevel AND LogMsg in grok?
来源：https://stackoverflow.com/questions/57199853/how-to-create-pattern-to-parse-json-log-in-grok-prometheus