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Configuring Lime CRM

Configuration is a key element in Lime CRM.

There are three ways to configure Lime CRM, each with their own merits

Lime Admin

Lime Admin is a graphical user interface to configure large parts of Lime CRM. Is is available via the Web Client for Administrators. Add-ons can extended Lime Admin with there own configuration

Lime Admin

Environment configuration

This configuration scope is reserved for the particular environment where your solution is running. Typically it contains global parameters that you wouldn't (and shouldn't) use anywhere else, such as system configuration or anything specific for that particular environment.

For on-premise solutions, this configuration is contained in one or more server-wide config.yml file.

Tip

Note that the config.yml file also can be named config.yaml. If both these files exist, the file with .yml suffix takes precedence.

The config.yml is located in the <service dir> and differs depending on the type of service and platform.

For Windows, the location is %programdata%\Lundalogik\LIME Pro Server\<service name>\configs,

For Linux, the location is /etc/lime/<service name>, such as:

/etc/lime/Event Handler/config.yml

Tip

Note that the Web Server and Event Handler use separate configuration files

Application Configuration

Starting with Lime CRM version 2020.2, there is a possibility of configuring different applications in Lime CRM running on the same Lime CRM Server. This works both for Lime CRM Cloud applications as well as for on-premise installations running multiple applications.

Concept

The concept of application-level config is that we now have a way of entering configuration for different applications running on the same Lime CRM server, that does not live in the database, like the lime_data runtime configuration. The big drawback of the runtime configuration is that if you perform database backups from one environment (e.g. production) to another(e.g. test), you could end up with e.g. pointing a test installation towards a 3rd party system, with both endpoints and API keys ready to use. The application configuration is architected to support this exact use-case, letting applications' environment-level configuration stay in each environment; since the configuration lies within the environment rather than in the database, config entries such as URL:s to 3rd party systems and API keys won't follow database restores.

For this configuration, each application has a dict-like datastructure with configuration and secrets. We could conceptually represent this as YAML:

my-application:
  config:
    my_erp_system:
      endpoint_url: https://my_erp_system.example.com

  secrets:
    my_erp_system:
      api_key: oh-so-secret

another-application:
  config:

  secrets:

In the above YAML blob, we see that each application's configuration has two root keys, config and secrets. It's probably self-explanatory what goes where - in secrets we add passwords, api keys, shared secrets etc, and in config we add everything else. Please do not put configuration within other places than this; you'll have a hard time to fetch it.

Note

Keys in camelCase are not supported. Fetching such keys (e.g. lime_config.get_app_config(application, 'myFeature') will always result in None being returned.

Configuring an On-Premise Installation

For Windows On-Premise installations, the application-level configuration is expressed in the file %programdata%\Lundalogik\LIME Pro Server\application_config.yaml. If it does not already exist, just create it.

Note

Unlike config.yml, the application_config.yaml file is shared by all services. That means that if you wish to add configuration for both the web server and the task handler, you only need to edit configuration once.

Fetching application's configuration

Application configuration can be accessed programmatically by importing lime_config and calling the function get_app_config, e.g.: 

value = lime_config.get_app_config(application: LimeApplication, "key": string)
It is also possible to fetch the entire configuration object by omitting the key in the above function. For more examples, please refer to the function's docstring.

Where to find an application's application configuration

The path for the application config file can be overridden using the environment variable, LIME_CONFIG_DIR.

Note

For local development, .lime/application_config.yaml is the default location.

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