osg roll: Users Guide: 
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| Prev | Chapter 3. Customizing the OSG Roll -- Attributes | Next |
By default, Hadoop, Condor and WorkerClient with glexec are installed on Rocks compute appliances, while Gridftp and gatekeper server are ready to install on login-0-0 host and Gridftp hadoop and bestman2 are ready to install on login-0-1 host.
For Rocks 5.4 and newer, the OSG roll makes use of attributes to enable install of Hadoop, Condor, WorkerClient with glexec, Bestman2 server (SE), gridftp server, hdfs gridftp server, gatekeeper server (CE), squid server, gums server and cvmfs to be installed on any host or appliance. This may be particularly useful to groups who are including the Xen/KVM roll and would like OSG servers to install on VM Container appliances.
Table 3-2. Attributes Used in OSG Roll for packages install ('triggers')
| Attibute Name | Description |
|---|---|
| OSG_Condor_Client | Enable/Disable Condor Installation on any particular Appliance or Host. Default: true (on compute appliance) |
| OSG_Client | Enable/Disable OSG Client installation on any particular Appliance or Host. Install includes hadoop and glexec. Default: true (on compute appliance) |
| OSG_CE | Enable/Disable Gatekeeper installation on any particular Appliance or Host. Install includes hadoop (and condor if OSG_CE set to "condor"). Depending on the cluster scheduler acceptable values are "condor", "sge." If default configuration is kept (login-0-0 as CE), then it is needed to set OSG_CE to "condor" or "sge" on login-0-0. No Default. |
| OSG_SE | Enable/Disable bestman-server installation on any particular Appliance or Host. Install includes hadoop. If default configuration is kept (login-0-1 as SE), then it is needed to set OSG_SE to 'true' on login-0-1. No Default. |
| OSG_GRIDFTP | Enable/Disable gridftp server installation on any particular Appliance or Host. If default configuration is kept (login-0-0 as classic gridftp server), then it is needed to set OSG_GRIDFTP to 'true' on login-0-0. No Default. |
| OSG_GFTP_HDFS | Enable/Disable hadoop gridftp server installation on any particular Appliance or Host. Install includes hadoop. If default configuration is kept (login-0-1 as hdfs gridftp server), then it is needed to set OSG_GFTP_HDFS to 'true' on login-0-1. No Default. |
| OSG_HADOOP | Enable/Disable hadoop installation on any particular Appliance or Host. Not needed if set already OSG_Client or OSG_SE or OSG_GFTP_HDFS or OSG_CE on the node. No Default. |
| OSG_XRD | Enable/Disable xrootd server installation on any particular Appliance or Host. No Default. |
| OSG_RSV | Enable/Disable rsv installation on any particular Appliance or Host. No Default. |
| OSG_GUMS | Enable/Disable gums server installation on any particular Appliance or Host. No Default. |
| OSG_SQUID | Enable/Disable squid server installation on any particular Appliance or Host. No Default. |
| OSG_CVMFS | Enable/Disable cvmfs installation on any particular Appliance or Host. No Default. |