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Re: Custom Cartridge Development In OpenShift




----- Original Message -----
> Hi
> 
> Thanks for the response.
> 
> I guess  I did not put it across correctly.
> 
> An example :Cartridge functionality is act as a gateway to access an external
> service and populate openshift env variables (say external db serviceparams
> )that my application can be binded to and use it.
> 
> I need to give some information to my cartridge - how can I do that?

Application environment variables - that's the only way we support today.  In the future we might have other options.  "rhc add-cartridge mycart A=B" should install the cart and set the env A = B

> 
> I am not talking about giving information to application which can be done
> via env variables.I need to understand how user while adding cartridge can
> also pass some info to cartridge which can be used for its functioning.
> 
> Another example :Say while adding xxx cartridge ,a drop down appears and I
> can choose which version of xxx and then add. This is not possible via web
> console
> Any command line way to achieve this.
> 
> 
> 
> Hope I am not confusing !
> Thanks
> Shabna
> 
> -----Original Message-----
> From: Ben Parees [mailto:bparees redhat com]
> Sent: Wednesday, December 18, 2013 8:26 PM
> To: Madathilthattantav, S.
> Cc: dev lists openshift redhat com; users lists openshift redhat com
> Subject: Re: Custom Cartridge Development In OpenShift
> 
> 1/2) not sure if this is the best/only option, but you can specify
> environment variables while creating your app, so that could be used to pass
> parameters.
> 3) Not clear on the question?  Do you mean change what parameters the start
> method takes?  If so then the answer would be no.
> 4) Again environment variables would be one approach.  Marker files are
> another way to control your script behavior, but of course it is harder to
> set those in advance.  (you would need a quickstart that included them, I
> think)
> 
> 
> Ben Parees | OpenShift
> 
> ----- Original Message -----
> From: "s madathilthattantav" <s madathilthattantav accenture com>
> To: dev lists openshift redhat com, users lists openshift redhat com
> Sent: Wednesday, December 18, 2013 8:46:58 AM
> Subject: Custom Cartridge Development In OpenShift
> 
> 
> 
> Hi All
> 
> 
> 
> I was working on custom cartridge development and I have a question regarding
> the flexibility of the same
> 
> 
> 
> 1. Do we have the option of giving user-input or parameters while adding a
> custom cartridge.
> 
> 
> 
> 2. From web interface this is not a possibility – but what about using rhc
> command ?
> 
> 
> 
> 3. Is it possible to change the start method definition of control script. –
> I assume it as no
> 
> 
> 
> 4. If option 2 is not possible,which I mostly think – would it be possible to
> define different methods (say method x) in control script that will take
> user-input?
> 
> For ex : it would be two step process-- fisrt add cartridge and then invoke
> method x on cartridge that will take input and do functionalty.
> 
> 
> 
> A use case:
> 
> The custom cartridge will talk to different system ,based on the input given
> to custom cartridge and do some processing.
> 
> 
> 
> I hope I am not missing anything obvious-!
> 
> 
> 
> Thanks
> 
> Shabna
> 
> 
> 
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