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minio/docs/logging/README.md

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MinIO Logging Quickstart Guide Slack

This document explains how to configure MinIO server to log to different logging targets.

Log Targets

MinIO supports currently two target types

  • console
  • http

Console Target

Console target is on always and cannot be disabled.

HTTP Target

HTTP target logs to a generic HTTP endpoint in JSON format and is not enabled by default. To enable HTTP target logging you would have to update your MinIO server configuration using mc admin config set command.

Assuming mc is already configured

mc admin config get myminio/ logger_webhook
logger_webhook:name1 auth_token="" endpoint=""

mc admin config set myminio logger_webhook:name1 auth_token="" endpoint="http://endpoint:port/path"
mc admin service restart myminio

NOTE: http://endpoint:port/path is a placeholder value to indicate the URL format, please change this accordingly as per your configuration.

MinIO also honors environment variable for HTTP target logging as shown below, this setting will override the endpoint settings in the MinIO server config.

export MINIO_LOGGER_WEBHOOK_ENABLE_target1="on"
export MINIO_LOGGER_WEBHOOK_AUTH_TOKEN_target1="token"
export MINIO_LOGGER_WEBHOOK_ENDPOINT_target1=http://localhost:8080/minio/logs
minio server /mnt/data

Audit Targets

Assuming mc is already configured

mc admin config get myminio/ audit_webhook
audit_webhook:name1 auth_token="" endpoint=""

mc admin config set myminio audit_webhook:name1 auth_token="" endpoint="http://endpoint:port/path"
mc admin service restart myminio

NOTE: http://endpoint:port/path is a placeholder value to indicate the URL format, please change this accordingly as per your configuration.

MinIO also honors environment variable for HTTP target Audit logging as shown below, this setting will override the endpoint settings in the MinIO server config.

export MINIO_AUDIT_WEBHOOK_ENABLE_target1="on"
export MINIO_AUDIT_WEBHOOK_AUTH_TOKEN_target1="token"
export MINIO_AUDIT_WEBHOOK_ENDPOINT_target1=http://localhost:8080/minio/logs
minio server /mnt/data

Setting this environment variable automatically enables audit logging to the HTTP target. The audit logging is in JSON format as described below.

NOTE:

  • timeToFirstByte and timeToResponse will be expressed in Nanoseconds.
  • In the case of the erasure setup tags.objectErasureMap provides
    • Pool number
    • Set number
    • The list of disks belonging to the set
{
  "version": "1",
  "deploymentid": "bc0e4d1e-bacc-42eb-91ad-2d7f3eacfa8d",
  "time": "2019-08-12T21:34:37.187817748Z",
  "api": {
    "name": "PutObject",
    "bucket": "testbucket",
    "object": "hosts",
    "status": "OK",
    "statusCode": 200,
    "timeToFirstByte": "366333ns",
    "timeToResponse": "16438202ns"
  },
  "remotehost": "127.0.0.1",
  "requestID": "15BA4A72C0C70AFC",
  "userAgent": "MinIO (linux; amd64) minio-go/v6.0.32 mc/2019-08-12T18:27:13Z",
  "requestHeader": {
    "Authorization": "AWS4-HMAC-SHA256 Credential=minio/20190812/us-east-1/s3/aws4_request,SignedHeaders=host;x-amz-content-sha256;x-amz-date;x-amz-decoded-content-length,Signature=d3f02a6aeddeb29b06e1773b6a8422112890981269f2463a26f307b60423177c",
    "Content-Length": "686",
    "Content-Type": "application/octet-stream",
    "User-Agent": "MinIO (linux; amd64) minio-go/v6.0.32 mc/2019-08-12T18:27:13Z",
    "X-Amz-Content-Sha256": "STREAMING-AWS4-HMAC-SHA256-PAYLOAD",
    "X-Amz-Date": "20190812T213437Z",
    "X-Amz-Decoded-Content-Length": "512"
  },
  "responseHeader": {
    "Accept-Ranges": "bytes",
    "Content-Length": "0",
    "Content-Security-Policy": "block-all-mixed-content",
    "ETag": "a414c889dc276457bd7175f974332cb0-1",
    "Server": "MinIO/DEVELOPMENT.2019-08-12T21-28-07Z",
    "Vary": "Origin",
    "X-Amz-Request-Id": "15BA4A72C0C70AFC",
    "X-Xss-Protection": "1; mode=block"
  },
  "tags": {
    "objectErasureMap": {
      "pool": 1,
      "set": 10,
      "path/to/object": [
        "http://minio.example.com/mnt/zone1/disk1",
        "http://minio.example.com/mnt/zone1/disk2",
        "http://minio.example.com/mnt/zone1/disk3",
        "http://minio.example.com/mnt/zone1/disk4"
        ]
      }
  }
}

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