Hi Luca

Thanks for the links!

I definitely have a lot of hammock time ahead of me :-)

Cheers

Adrian


On 11 Feb 2014, at 14:37, icamts wrote:

> Hi Adrian,
> the answer is more off-topic than the question :) but have a look to Spagic 
> (I'm a member of the developers' team), Mule ESB, Petals ESB or Talend ESB. 
> You may already know Talend as an ETL solution. You'll find tools to define, 
> configure and run instances of services or processes. Monitong application 
> with re-start / re-run facilities. Connectors for services / processes 
> integration.
> 
> In a ESB scenario developers will design simple processes with a quartz or 
> file polling connector followed by a script / custom component designed to 
> accomplist the batch task. 
> 
> Custom components can be written in clojure if you reify the required 
> interface. The only cavevat is the AOT compilation.
> 
> Some other ideas are below, along your problem statement.
> 
> Cheers,
> Luca
> 
> Be controlled by artifacts developers control
> Probably be github friendly
>  
> Put service deployment directory and estensions / plugins directory under 
> version control and copy them as a part of the deployment process. An ESB can 
> be deployed like a simple webapp.
> Provide a direct relationship between an application and its tasks
> 
> Choose meaningful service names. Deploy a local ESB in the same AS of your 
> application and use an in-memory invoker / connector. 
> Support separate sandbox, staging and production environments
> 
>  Use different ESB instances.
> Be scalable
> 
> Single task scalability is up to your code.
> Be distributed - jobs for application X can run on the same host as 
> application X or on a different host or cluster as needed
> 
> Sevices / processes can be run on every ESB instance. Use in-memory invoker / 
> connector or soap invoker / connector.
> Be secure
> 
> Use https for remote connection. Use sftp for file transfer. 
> Be easy to administer
> Job progress and status is visible
> 
> Service progress notification is up to your code and not a monitor console 
> feature. Process running step is available. 
> Alert when a job fails
> 
> Use a mail connector to alert on job fails
> Easy to re-run a job
> 
> Restart / rerun through monitoring console. 
> Easy to spin up new hosts and/or move all processing to a different host
> 
> Deploy a new instance with the same configuration. No running service can be 
> moved. Running processes may be moved. It depends on workflow engine 
> implementation details.
> Provide a standard way of organising assets like files and configs across all 
> our applications
>  
> (Not sure what you mean.)
> Comply with our hybrid infrastructure (stuff runs internally and in the cloud)
> Data can move internal -> cloud
>  
> Is it an ETL task?
> Data can move cloud -> internal
> 
> Same as before 
> Data can be processed entirely within a host
>  
> That's so
> Support different ways of triggering a job
> Scheduled tasks
> 
> Use a quartz input connector 
> Run when file x arrives
> 
> Use a file poller input connector 
> Run job y after job x completes
>  
> Use an output connector to trigger the next job start or design a process 
> with jobs in a sequence.
> 
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Adrian Mowat

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