Hi Chamila,

May be the reason that event name can be change in future, if so extensions
name also have to be changed.

On Tue, Feb 24, 2015 at 1:19 PM, Chamila De Alwis <[email protected]> wrote:

> Hi,
>
> In the cartridge agent (both Java and Python implementations), the
> extensions have a unique name that is mentioned in the configuration given
> to the agent when starting up (Java - stratos.sh, Python - agent.conf)
>
> # extension file name specified in agent.conf
>
> extension.instance.started            =instance-started.sh
> extension.start.servers               =start-servers.sh
> extension.instance.activated          =instance-activated.sh
> extension.artifacts.updated           =artifacts-updated.sh
> extension.clean                       =clean.sh
> extension.mount.volumes               =mount_volumes.sh
>
>
> # agent.conf key name specified in a constants file
>
> INSTANCE_STARTED_SCRIPT = "extension.instance.started"
> START_SERVERS_SCRIPT = "extension.start.servers"
> INSTANCE_ACTIVATED_SCRIPT = "extension.instance.activated"
> ARTIFACTS_UPDATED_SCRIPT = "extension.artifacts.updated"
> CLEAN_UP_SCRIPT = "extension.clean"
> MOUNT_VOLUMES_SCRIPT = "extension.mount.volumes"
>
>
> # extension file name queried using the constant
>
> script_name = 
> cartridge_agent_config.read_property(cartridgeagentconstants.INSTANCE_STARTED_SCRIPT,
>  False)
>
> IMO, this kind of a flexibility is not needed in the case of extension
> script names. Especially now that Python cartridge agent is pluggable with
> many to many relationship for events and plugins.
>
> If we rename the extensions to match the event names corresponding to
> them, it will be both easier and will involve less messy code to execute
> the extensions.
>
> Was there a specific reason to implement the extension execution this way
> at the time?
>
> Regards,
> Chamila de Alwis
> Software Engineer | WSO2 | +94772207163
> Blog: code.chamiladealwis.com
>
>
>


-- 

Udara Liyanage
Software Engineer
WSO2, Inc.: http://wso2.com
lean. enterprise. middleware

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