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Audit-Log Plugin

This plugin tracks the changes in the Kong database and logs them in a table named audit-log.

Installation

Using Luarocks:
The plugin can be installed by using the following command:
luarocks install audit-log

Using source:
git clone https://github.com/mykaarma/kong-audit-log
cd kong-audit-log
luarocks make

Also run the following command after installing the plugin:
kong migrations up

Then, add the plugin to the plugins key in kong.conf file.
plugins=audit-log

Working

This plugin is mainly made up of SQL functions and triggers. The triggers are set to track changes in the consumers, basicauth_credentials and plugins tables. Only changes in rate-limits are logged from the plugins table.

NOTE: The plugin creates SQL triggers as soon as the kong migrations up command is executed so it need not be enabled explicitly.

Log format

The changes are logged in the following format:

Field Description
entity It is the entity. It can be either consumer or basicauth_credentials or plugin.
entity_name It is the name of the entity. For eg- the name of the consumer.
entity_id It is the id of the entity.
operation It is the operation, i.e. either created, updated or deleted.
old_data The data before performing the operation. It is stored in JSON format.
new_data The data after performing the operation. It is stored in JSON format.
performed_at The timestamp at which the operation is performed.
action_by The user who performed the operation. It is stored in user@ip format.

Endpoint

The audit-logs are exposed using the following endpoints:

  • /audit-log : It displays all the logs of the last 30 days.
  • /audit-log/{entity} : It displays all the logs belonging to that particular entity. Here, the entity can be either consumer or basicauth_credentials or plugin.
  • /audit-log/{entity}/{entity_id} : It displays all the logs belonging to that particular entity with the provided entity_id;

Also, the following parameters can be provided in the endpoint:

  • operation: The operation performed, i.e. either created, deleted or updated.
  • from: The from timestamp. Provide time in this format: (YYYY)-(MM)-(DD)T(hh):(mm):(ss)%2b(hh):(mm) or (YYYY)-(MM)-(DD)T(hh):(mm):(ss)%2d(hh). Here, %2b corresponds to + and %2d corresponds to -.
  • to: The to timestamp. It's format is same as that of from.