Ok, great. Thanks.
We would have to implement custom installer to modify oozie-site.xml using
Cloudera Manager API.
Thanks!


2013/7/15 Robert Kanter <rkan...@cloudera.com>

> Sorry for the confusion.  Hopefully this will make it clearer.
>
> The following replaces step 3 from my original instructions:
>
> If you installed Apache or CDH Tarballs:
> 3a) Copy your jar file to /where/you/deployed/oozie/libext/
> 3b) Re-run bin/oozie-setup.sh prepare-war
>
> If you installed CDH Packages/Parcels:
> 3) Copy your jar file to /usr/lib/oozie/libext/ or /var/lib/oozie/
>
> All of the other steps from my original instructions apply to either type
> of installation.
>
>
> - Robert
>
>
>
> On Mon, Jul 15, 2013 at 10:19 AM, Serega Sheypak
> <serega.shey...@gmail.com>wrote:
>
> > Now I'm confused. Do I have repackage war if I use parcels?
> >
> >
> > 2013/7/15 Robert Kanter <rkan...@cloudera.com>
> >
> > > I believe the method I described for packages should also apply for
> > > parcels.  Yes, you still have to modify oozie-site.xml.  The only
> > > difference in the process between a tarball installation and a CDH
> > > packages/parcel installation is where to put your jar and to run or not
> > run
> > > the oozie-setup.sh script.
> > >
> > > - Robert
> > >
> > >
> > > On Mon, Jul 15, 2013 at 9:43 AM, Serega Sheypak <
> > serega.shey...@gmail.com
> > > >wrote:
> > >
> > > > We are using parcels.
> > > > Also you said that I have to modify oozie-site.xml to declare my
> > > function.
> > > >
> > > >
> > > > 2013/7/15 Robert Kanter <rkan...@cloudera.com>
> > > >
> > > > > If you're using Cloudera Manager, you've probably installed CDH via
> > > > > packages?  If so, you actually only have to copy your jar file to
> > > > > /usr/lib/oozie/libext/ or /var/lib/oozie/ (they're the same
> location,
> > > one
> > > > > of them is a symlink but I forget which) and restart Oozie; you
> > should
> > > > not
> > > > > run the oozie-setup.sh command.
> > > > >
> > > > > - Robert
> > > > >
> > > > >
> > > > > On Mon, Jul 15, 2013 at 6:46 AM, Serega Sheypak <
> > > > serega.shey...@gmail.com
> > > > > >wrote:
> > > > >
> > > > > > Hm... function installation in production is rather tricky.
> > > > > > 1. I think puppet can drop jar from nexus to ooze folder
> > > > > > 2. it can stop oozie and run command
> > > > > > 3. config update wouldn't be so easy in case of Cloudera Manager.
> > > We'll
> > > > > > need some special stuff to update config via API (if it's
> possible)
> > > > > >
> > > > > > Thanks, I'm trying to make it work.
> > > > > >
> > > > > >
> > > > > > 2013/7/13 Mona Chitnis <chit...@yahoo-inc.com>
> > > > > >
> > > > > > > Also if you feel your custom implementation can benefit others,
> > > feel
> > > > > free
> > > > > > > to contribute to Oozie via creating a patch and uploading to a
> > > JIRA -
> > > > > > > https://issues.apache.org/jira/browse/OOZIE
> > > > > > >
> > > > > > >
> > > > > > > On 7/12/13 11:12 AM, "Robert Kanter" <rkan...@cloudera.com>
> > wrote:
> > > > > > >
> > > > > > > >Hi Serega,
> > > > > > > >
> > > > > > > >I'm actually working on a tutorial blog post for the Cloudera
> > > > website
> > > > > on
> > > > > > > >how to make an EL function.  It's not quite done yet, but
> here's
> > > the
> > > > > > basic
> > > > > > > >steps you need to do:
> > > > > > > >
> > > > > > > >1) Write the function in a new Java class.  There's no
> interface
> > > or
> > > > > > class
> > > > > > > >to inherit from, you just make a new class in whatever package
> > you
> > > > > want
> > > > > > > >(e.g. my.package.AwesomeELFunctions).  For what you want, its
> > > > > signature
> > > > > > > >would be:
> > > > > > > >        public static int functionName(String
> > stringWithDatetime,
> > > > > String
> > > > > > > >pattern)
> > > > > > > >If you want to create more than one function, they can all go
> in
> > > the
> > > > > > same
> > > > > > > >class as well.
> > > > > > > >
> > > > > > > >2) Compile your class.  You only need Oozie dependencies if
> > you're
> > > > > > > >function
> > > > > > > >requires something from Oozie.  You can use javac, maven,
> > Eclipse,
> > > > etc
> > > > > > to
> > > > > > > >compile it.  Make sure to create a jar.
> > > > > > > >
> > > > > > > >3) (Shut down Oozie and) copy the jar file to
> > > > > > > >/where/you/deployed/oozie/libext/ and re-run
> bin/oozie-setup.sh
> > > > > > > >prepare-war
> > > > > > > >
> > > > > > > >4) In oozie-site.xml, set (or add if it doesn't exist) a
> > property
> > > > like
> > > > > > > >this:
> > > > > > > ><property>
> > > > > > > >
> <name>oozie.service.ELService.ext.functions.workflow</name>
> > > > > > > >     <value>
> > > > > > > >
> >  functionName=my.package.AwesomeELFunctions#functionName
> > > > > > > >     </value>
> > > > > > > ></property>
> > > > > > > >If you have more functions, that property takes a comma
> > separated
> > > > list
> > > > > > of
> > > > > > > >them.  The value on the left side of the equals is the name
> that
> > > > you'd
> > > > > > use
> > > > > > > >in a workflow and the value on the right side is the name of
> > your
> > > > > > function
> > > > > > > >in your Java code.  For the value on the left side, you can
> > > > optionally
> > > > > > put
> > > > > > > >a prefix (you may have seen many built-in functions that start
> > > with
> > > > > > "wf:"
> > > > > > > >for example).
> > > > > > > >
> > > > > > > >5) Start up Oozie.  You should now be able to use the
> > functionName
> > > > > > custom
> > > > > > > >EL Function you created!
> > > > > > > >
> > > > > > > >I believe this may only make the function available in
> > workflows,
> > > > but
> > > > > > I'm
> > > > > > > >not sure; if not, there should be a similar property in
> > oozie-site
> > > > you
> > > > > > can
> > > > > > > >set for coordinators if you need that.
> > > > > > > >
> > > > > > > >Once my proper tutorial blog post is posted, I'll add a link
> to
> > > this
> > > > > > > >thread, but it may be a while.
> > > > > > > >
> > > > > > > >- Robert
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >On Fri, Jul 12, 2013 at 7:26 AM, Serega Sheypak
> > > > > > > ><serega.shey...@gmail.com>wrote:
> > > > > > > >
> > > > > > > >> Hi, I need to create custom EL function.
> > > > > > > >> It accepts:
> > > > > > > >> String StringWithDatetime
> > > > > > > >> String Pattern (to parse Date)
> > > > > > > >> It returns:
> > > > > > > >> time in seconds.
> > > > > > > >>
> > > > > > > >> Please tell me:
> > > > > > > >> 1. Where can I find example?
> > > > > > > >> 2. Where do I have to put implementation of this function?
> > > > > > > >>
> > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>

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