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README.md

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OVERVIEW

The app has a few basic components:

rtrapid.py - gets weather data from weather underground, and puts it on an Inflow exchange which fans out to queues rtqueue and ToBeQc rt-generate-netcdf.py - Pull items out of the Final QC queue and store them in a netCDF file based on the time of the observation qc-process-packet.py - read messages from ToBeQc queue and send to Final queue qc-generate-netcdf.py - read messages from Final queue and write netcdf files

QUEUES

The following queues are needed:

Final - bound to Outflow exchange ToBeQc - bound to Inflow exchange rtqueue - bound to Inflow exchange

These must be manually set up on rabbitmq

DATA

Must be shared between all nodes. This is done currently by setting up an NFS server, and sharing the ldm/var/data/ directory

INSTALLATION

The scripts in this directory can be run with the included supd script.

Required External Dependencies

In order to get the basic Hyrax 1.8.0 server running, you will need:

-Libcurl, -The HDF5 C library version 1.8.4-patch1 or higher (1.8.8 or higher recommended) from ftp://ftp.hdfgroup.org/HDF5/current/src. Be sure to build with './configure --enable-hl --enable-shared'.

  • The netCDF-4 C library from ftp://ftp.unidata.ucar.edu/pub/netcdf. Version 4.1.1 or higher is required (4.2 or higher recommended). Be sure to build with './configure --enable-netcdf-4 --enable-shared --enable-dap'.

-Java 1.6

-Tomcat 6.x apt-get install tomcat6

(apt-get install for these) -libxml2, libcurl, libreadline

To run the Hyrax server, you will need to download and install the following (from source or binary): http://www.opendap.org/download/hyrax/1.8#get_it (source Files)

-libdap -BES -General Purpose Handlers (aka dap-server) -One or more data handlers depending on which data you wish to serve ( These all follow, ./configure; make; make install ) - NetCDF Handler - Free Form Handler - HDF5 Handler - Fileout NetCDF Handler - NcML Module - CSV Handler - XML Data Response - Fits Handler -OLFS (which is a Java binary and runs on any computer with Java 1.6)
http://www.opendap.org/pub/olfs/olfs-1.9.5-webapp.tgz Unpack using 'tar -xvf filename' and follow the instructions in the README file. default: Typically just put *.war in /var/lib/tomcat6/webapps and restart tomcat

Edit the config files http://docs.opendap.org/index.php/Hyrax_-_BES_Configuration - start cmd: besctl start http://docs.opendap.org/index.php/Hyrax_-_OLFS_Configuration - start cmd: service tomcat start/restart