Christopher Schultz wrote:
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Paul,
Paul Singleton wrote:
I want to deploy the same war into different (5.5)
Services (e.g. "test" and "live"), and want it to
discover where it is and behave differently.
Is there a Tomcat-specific way to do this?
Is there a container-independent way of discovering
container-specific info like this?
You tell us: how can /you/ tell that you are in production versus test?
If you can make that determination, then you should be able to make your
software do it, too.
I have ant scripts that build everything for me including WAR files for
deployment. In my source repo, I have different configuration
directories for each of dev, demo, and prod. In fact, I can make as many
of those as I'd like, since I just set "release-type" in my
build.properties file to a string, and ant pulls the configuration and
properties files that match that directory, so I could potentially
create a "foo" release-type if I wanted.
So, instead of the application detecting where it is and configuring
itself appropriately, I tell the application what it /will be/ and
configure it at build time.
Yeah, so do we, but like I said:
>> I want to deploy the same war into different (5.5)
>> Services (e.g. "test" and "live"), and want it to
>> discover where it is and behave differently.
I didn't explain *why* we want to do this, because I
don't want to spend time debating it with folk who
prefer to do it the other way ;-)
But here are a couple of plus points for discovery
and self-configuration (DSC):
1) our dev, test and demo configurations behave in
convenient ways we don't *ever* want in our live
apps; with DSC we are more confident that, even if
deployment misteaks are made, we won't be embarrassed
2) we can implement all configuration in Java and
don't need to learn or teach anything else!
regards - Paul
Just my $0.02
- -chris
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Paul Singleton
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