Increase the maximum number of file descriptors

This change increases the number of file descriptors for the Heka process
to 102400. By default it inherits the value from the init process that is
1024. We already hit this value and it has been demonstrated that this
value is too low.

Change-Id: Ib5adcfe8a8c90f21c3aed28db3b9544a3d8edb9a
Closes-Bug: #1543289
(cherry picked from commit 5094fb96ea)

deployment_scripts/puppet/modules/heka/templates/hekad.upstart.conf.erb

@@ -14,4 +14,8 @@ pre-start script
 end script
 <% end -%>
 
-exec <%= @run_as_root ? "" : "sudo -u #{ @heka_user }" %> <%= @hekad_wrapper %> 2>><%= @log_file %>
+script
+    # https://bugs.launchpad.net/lma-toolchain/+bug/1543289
+    ulimit -n 102400
+    exec <%= @run_as_root ? "" : "sudo -u #{ @heka_user }" %> <%= @hekad_wrapper %> 2>><%= @log_file %>
+end script

deployment_scripts/puppet/modules/lma_collector/files/ocf-lma_collector

@@ -245,6 +245,9 @@ service_start() {
         return "$OCF_SUCCESS"
     fi
 
+    # See https://bugs.launchpad.net/lma-toolchain/+bug/1543289
+    ulimit -n 102400
+
     su "${OCF_RESKEY_user}" -s /bin/sh -c "${OCF_RESKEY_binary} \
 -config=${OCF_RESKEY_config} >> $OCF_RESKEY_log_file 2>&1"' & echo $!' > "$OCF_RESKEY_pid"