We are using parcels. Also you said that I have to modify oozie-site.xml to declare my function.
2013/7/15 Robert Kanter <[email protected]> > 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 <[email protected] > >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 <[email protected]> > > > > > 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" <[email protected]> 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 > > > ><[email protected]>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? > > > >> > > > > > > > > >
