Replace the fedmsg-gateway service file with our own to do resource limits the systemd way.

roles/fedmsg/gateway/files/fedmsg-gateway.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Outbound fedmsg gateway
+After=network.target
+Documentation=http://fedmsg.readthedocs.org/en/latest/commands/
+
+[Service]
+ExecStart=/usr/bin/fedmsg-gateway
+Type=simple
+User=fedmsg
+Group=fedmsg
+LimitNOFILE=160000
+
+[Install]
+WantedBy=multi-user.target

roles/fedmsg/gateway/files/limits.conf

@@ -1,53 +0,0 @@
-# /etc/security/limits.conf
-#
-#Each line describes a limit for a user in the form:
-#
-#<domain>        <type>  <item>  <value>
-#
-#Where:
-#<domain> can be:
-#        - an user name
-#        - a group name, with @group syntax
-#        - the wildcard *, for default entry
-#        - the wildcard %, can be also used with %group syntax,
-#                 for maxlogin limit
-#
-#<type> can have the two values:
-#        - "soft" for enforcing the soft limits
-#        - "hard" for enforcing hard limits
-#
-#<item> can be one of the following:
-#        - core - limits the core file size (KB)
-#        - data - max data size (KB)
-#        - fsize - maximum filesize (KB)
-#        - memlock - max locked-in-memory address space (KB)
-#        - nofile - max number of open files
-#        - rss - max resident set size (KB)
-#        - stack - max stack size (KB)
-#        - cpu - max CPU time (MIN)
-#        - nproc - max number of processes
-#        - as - address space limit (KB)
-#        - maxlogins - max number of logins for this user
-#        - maxsyslogins - max number of logins on the system
-#        - priority - the priority to run user process with
-#        - locks - max number of file locks the user can hold
-#        - sigpending - max number of pending signals
-#        - msgqueue - max memory used by POSIX message queues (bytes)
-#        - nice - max nice priority allowed to raise to values: [-20, 19]
-#        - rtprio - max realtime priority
-#
-#<domain>      <type>  <item>         <value>
-#
-
-#*               soft    core            0
-#*               hard    rss             10000
-#@student        hard    nproc           20
-#@faculty        soft    nproc           20
-#@faculty        hard    nproc           50
-#ftp             hard    nproc           0
-#@student        -       maxlogins       4
-
-@fedmsg     hard     nofile     170000
-@fedmsg     soft     nofile     160000
-
-# End of file

roles/fedmsg/gateway/tasks/main.yml

@@ -20,8 +20,10 @@
   notify:
   - restart fedmsg-gateway
 
-- name: bump fs limits
+- name: bump fs limits by installing our own systemd service file
-  copy: src=limits.conf dest=/etc/security/limits.conf
+  copy: >
+    src=fedmsg-gateway.service
+    dest=/usr/lib/systemd/system/fedmsg-gateway.service
   tags:
   - config
   - fedmsg/gateway