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parameter substitution

iwovGraduate

I am using an external task in a workflow to run a deployment. I am passing the source area/path, target, etc. as parameters. This all works well using something similar to OOTB wft_opendeploy.ipl shipped with solutions workflows. However I have a requirement of having more than one target nodes in certain cases.
e.g.:
br1 - deploy to node A
br2 - deploy to node B
br3 - deploy to node A, C
br4 - deploy to node B, C

I am trying to have a single deployment config file (mostly for ease of maintenance) that will allow me to deploy to either one or more node using parameter substitution or something similar. What I need is equivalent of the following (which does not work)


    <replicationFarmSet>
        <replicationFarm name="MYFARMNAME">
            "$nodes^"
        </replicationFarm>
    </replicationFarmSet>

where $nodes^ would be


<nodeRef useNode="nodeA"/>


<nodeRef useNode="nodeA"/>
<nodeRef useNode="nodeB"/>

One option I have considered (not tried yet) is to have multiple definitions - each for a specific number of target nodes, and invoking a deployment definition depending on the number of target nodes. I am thinking there should be a better way.

Any ideas ?

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Comments

Adam Stoller

If you can upgrade to OD6 - you might find that it's a bit easier - as I believe you can define the replicationFarm's within the odnodes.xml file rather than having to define them in the deployment configuration - and then you can just specify which 'farm' you want to use in your deployment configuration file (as a passed-in parameter). [I haven't had a chance to play with this feature yet - but it sounds great!]

Other than that - the two ideas you suggested aren't bad, although having 2 different configs - one which takes 1 node parameter and another than takes 2 node parameters is probably the "cleanest" solution for pre-OD6.

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com

iwovGraduate

I am using 6.0. So thats good news. I will try the replicationFram within the odnodes.xml. Sounds like a good idea.

...hunting for examples of odnodes.xml with replicationFarm.

lhdavis

I believe Todd's DevNet Webcast from last week had some examples for ya to look at. Plus the OD 6.0 manuals should have some.

Luke Davis
Open Technology Group, Inc.
luke.davis@med.va.gov

PankajK

I was able to deploy to multiple hosts with OD 6.0 as:

Replication farmset in deploymentConfiguration:

<replicationFarmSet>
<replicationFarm name="MYFARMNAME" >
<nodeRef useNode="$useNode^" />
<nodeRef useNode="$useNode8^" />
</replicationFarm>
</replicationFarmSet>

Call iwodstart as:

my $deploy_cmd = "$iwperl $OD_DIR/solutions/perl/iwodstart.ipl wft_opendeploy -k area=$areaPath -k filelist=$filelist -k useNode=$useNode -k useNode8=$useNode8 -k targetArea=$targetArea -inst $taskid ";

iwovGraduate

What I am trying to do is (in your example) the $useNode8 would be optional. That is sometimes you will call OD with


...-k useNode=$useNode -k useNode8=$useNode8 ...

and sometimes


...-k useNode=$useNode  ...

using the same configuration file.

Adam Stoller

Look for info on replicationFarmLink in the OD6.0 Admin manual - like around p. 86-89

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com

JonathonG

Perhaps this is over-simplistic based on some of the other suggestions, but why wouldn't the following work.

Designate a separate replicationFarm for each branch:


<replicationFarmSet>
        <replicationFarm name="br1">
                <nodeRef useNode="nodeA"/>
        </replicationFarm>
        <replicationFarm name="br2">
                <nodeRef useNode="nodeB"/>
        </replicationFarm>
        <replicationFarm name="br3">
                <nodeRef useNode="nodeA"/>
                <nodeRef useNode="nodeC"/>
        </replicationFarm>
        <replicationFarm name="br4">
                <nodeRef useNode="nodeB"/>
                <nodeRef useNode="nodeC"/>
        </replicationFarm>
</replicationFarmSet>

Then, in your target tag, use parameter subsitution for which farm to use:

<target useReplicationFarm="$repFarm">

And then, you pass the farm to use on the command line with -k:
iwodcmd .... -k repFarm=br1

Jonathon
Independent Interwoven Contractor

Adam Stoller

That should work, but it's a bit of a maintenance headache. If you've got OD6 (which I believe the personal who originally posted does) you might as well make use of it's features and store the replication farms in the odnodes.xml file and reference them from there. It's essentially the same thing as what you are suggest, just a cleaner implementation.

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com