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This implementation is similar to AMQP notifications: * Notifications are published on a single topic as a JSON feed * Topic is configurable, as is the QoS. Uses the paho.mqtt.golang library for the mqtt connection, and supports connections over tcp and websockets, with optional secure tls support. * Additionally the minio server configuration has been bumped up so mqtt configuration can be added. * Configuration migration code is added with tests. MQTT is an ISO standard M2M/IoT messaging protocol and was originally designed for applications for limited bandwidth networks. Today it's use is growing in the IoT space.
90 lines
4.9 KiB
Markdown
90 lines
4.9 KiB
Markdown
# Minio Server `config.json` (v18) Guide [](https://slack.minio.io) [](https://goreportcard.com/report/minio/minio) [](https://hub.docker.com/r/minio/minio/) [](https://codecov.io/gh/minio/minio)
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Minio server stores all its configuration data in `${HOME}/.minio/config.json` file by default. Following sections provide detailed explanation of each fields and how to customize them. A complete example of `config.json` is available [here](https://raw.githubusercontent.com/minio/minio/master/docs/config/config.sample.json)
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## Configuration Directory
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The default configuration directory is `${HOME}/.minio`. You can override the default configuration directory using `--config-dir` command-line option. Minio server generates a new `config.json` with auto-generated access credentials when its started for the first time.
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```sh
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minio server --config-dir /etc/minio
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```
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### Certificate Directory
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TLS certificates are stored under ``${HOME}/.minio/certs`` directory. You need to place certificates here to enable `HTTPS` based access. Read more about [How to secure access to Minio server with TLS](http://docs.minio.io/docs/how-to-secure-access-to-minio-server-with-tls).
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Following is the directory structure for Minio server with TLS certificates.
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```sh
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$ tree ~/.minio
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/home/user1/.minio
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├── certs
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│ ├── CAs
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│ ├── private.key
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│ └── public.crt
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└── config.json
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```
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### Configuration Fields
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#### Version
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|Field|Type|Description|
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|``version``|_string_| `version` determines the configuration file format. Any older version will be automatically be migrated to the latest version upon startup. [DO NOT EDIT THIS FIELD MANUALLY]|
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#### Credential
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|Field|Type|Description|
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|``credential``| | Auth credential for object storage and web access.|
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|``credential.accessKey`` | _string_ | Access key of 5 to 20 characters in length. You may override this field with `MINIO_ACCESS_KEY` environment variable.|
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|``credential.secretKey`` | _string_ | Secret key of 8 to 40 characters in length. You may override this field with `MINIO_SECRET_KEY` environment variable.|
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Example:
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```sh
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export MINIO_ACCESS_KEY=admin
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export MINIO_SECRET_KEY=password
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minio server ~/Photos
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```
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#### Region
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|Field|Type|Description|
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|``region``| _string_ | `region` describes the physical location of the server. By default it is set to `us-east-1`, which is same as AWS3's default region. If you are unsure leave it to default.|
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#### Browser
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|Field|Type|Description|
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|``browser``| _string_ | Enable or disable access to web UI. By default it is set to `on`. You may override this field with ``MINIO_BROWSER`` environment variable.|
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Example:
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```sh
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export MINIO_BROWSER=off
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minio server ~/Photos
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```
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#### Logger
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|Field|Type|Description|
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|``logger ``| |Server logs errors and fatal messages via logger. You may enable one or more loggers at the same time.|
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|``logger.console``| |Send log messages to console.|
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|``logger.console.enable``| _bool_ | Enable or disable console logger. Default is set to _true_.|
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|``logger.file``| |Send log message to a file.|
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|``logger.file.enable``| _bool_ | Enable or disable file logger. Default is set to _false_.|
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|``logger.file.filename``| _string_ | Path and name of the log file. Example: _/var/log/minio.log_ |
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#### Notify
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|Field|Type|Description|
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|``notify``| |Notify enables bucket notification events for lambda computing via the following targets.|
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|``notify.amqp``| |[Configure to publish Minio events via AMQP target.](http://docs.minio.io/docs/minio-bucket-notification-guide#AMQP)|
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|``notify.mqtt``| |[Configure to publish Minio events via MQTT target.](http://docs.minio.io/docs/minio-bucket-notification-guide#MQTT)|
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|``notify.elasticsearch``| |[Configure to publish Minio events via Elasticsearch target.](http://docs.minio.io/docs/minio-bucket-notification-guide#Elasticsearch)|
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|``notify.redis``| |[Configure to publish Minio events via Redis target.](http://docs.minio.io/docs/minio-bucket-notification-guide#Redis)|
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|``notify.nats``| |[Configure to publish Minio events via NATS target.](http://docs.minio.io/docs/minio-bucket-notification-guide#NATS)|
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|``notify.postgresql``| |[Configure to publish Minio events via PostgreSQL target.](http://docs.minio.io/docs/minio-bucket-notification-guide#PostgreSQL)|
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|``notify.kafka``| |[Configure to publish Minio events via Apache Kafka target.](http://docs.minio.io/docs/minio-bucket-notification-guide#apache-kafka)|
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|``notify.webhook``| |[Configure to publish Minio events via Webhooks target.](http://docs.minio.io/docs/minio-bucket-notification-guide#webhooks)|
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## Explore Further
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* [Minio Quickstart Guide](https://docs.minio.io/docs/minio-quickstart-guide)
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