Running Sample Lark Jobs
Installing Lark
Download and install the latest Lark RPM from the Nebraska Koji. The current build (as of the time of writing) is here:
http://koji.hep.caltech.edu/koji/buildinfo?buildID=935
We'll be doing periodic code releases. Otherwise, you can checkout and build the source code. If the Lark branch and your installed version are close enough (in terms of code changes), you can get away with a normal PROPER build plus the following configurations:
STARTER.PLUGINS = /home/cse496/bbockelm/projects/condor-build/src/condor_contrib/lark/lark-plugin.so STARTER = /home/cse496/bbockelm/projects/condor-build/src/condor_starter.V6.1/condor_starter SHADOW = /home/cse496/bbockelm/projects/condor-build/src/condor_shadow.V6.1/condor_shadow
You'll also need to use the Lark version of libcondor_utils:
ln -sf ~/projects/condor-build/src/condor_utils/libcondor_utils_7_9_5.so /usr/lib64/libcondor_utils_7_9_5.so
Configuring Lark
The minimum to configure lark, besides setting STARTER.PLUGINS, is to enable the network accounting:
LARK_NETWORK_ACCOUNTING = true
This will result in a NAT configuration.
Running jobs
With a NAT configuration, a simple job is to look at the network configuration:
[bbockelm@hcc-briantest lark]$ condor_run ifconfig
i_slot1 Link encap:Ethernet HWaddr 0E:B5:9F:A2:E5:E4
inet addr:192.168.181.2 Bcast:0.0.0.0 Mask:255.255.255.0
inet6 addr: fe80::cb5:9fff:fea2:e5e4/64 Scope:Link
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:1 errors:0 dropped:0 overruns:0 frame:0
TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:104 (104.0 b) TX bytes:104 (104.0 b)
If you can execute ifconfig at the same time the job is running, the output will look like this:
[bbockelm@hcc-briantest lark]$ ifconfig
e_slot1 Link encap:Ethernet HWaddr 42:62:8D:A1:CC:E2
inet addr:192.168.181.1 Bcast:0.0.0.0 Mask:255.255.255.255
inet6 addr: fe80::4062:8dff:fea1:cce2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:26 errors:0 dropped:0 overruns:0 frame:0
TX packets:26 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2636 (2.5 KiB) TX bytes:2896 (2.8 KiB)