Try setting up relay and gateway on new busgateway01.

playbooks/groups/busgateway.yml

@@ -54,10 +54,14 @@
   roles:
   - fedmsg/hub
   #- fedmsg/datanommer
-  #- fedmsg/relay
-  #- fedmsg/gateway
-  #- role: collectd/fedmsg-service
-  #  process: fedmsg-hub
+  - fedmsg/relay
+  - fedmsg/gateway
+  - role: collectd/fedmsg-service
+    process: fedmsg-hub
+  - role: collectd/fedmsg-service
+    process: fedmsg-relay
+  - role: collectd/fedmsg-service
+    process: fedmsg-gateway
 
   vars_files: 
    - /srv/web/infra/ansible/vars/global.yml

roles/fedmsg/gateway/files/gateway.py

@@ -0,0 +1,7 @@
+config = {
+    # Tell fedmsg-gateway where its special outgoing port is.
+    'fedmsg.consumers.gateway.port': 9940,
+
+    # Set this number to near, but not quite the fs.file-limit.  Try 160000.
+    'fedmsg.consumers.gateway.high_water_mark': 160000,
+}

roles/fedmsg/gateway/files/limits.conf

@@ -0,0 +1,53 @@
+# /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

@@ -0,0 +1,29 @@
+- name: install fedmsg-gateway
+  yum: pkg=fedmsg-gateway state=installed
+  tags:
+  - packages
+  - fedmsg/gateway
+
+- name: enable on boot and start fedmsg-gateway
+  service: name=fedmsg-gateway state=started enabled=true
+  tags:
+  - services
+  - fedmsg/gateway
+  notify:
+  - restart fedmsg-gateway
+
+- name: setup fedmsg-gateway config file
+  copy: src=gateway.py dest=/etc/fedmsg.d/gateway.py
+  tags:
+  - config
+  - fedmsg/gateway
+  notify:
+  - restart fedmsg-gateway
+
+- name: bump fs limits
+  copy: src=limits.conf dest=/etc/security/limits.conf
+  tags:
+  - config
+  - fedmsg/gateway
+  notify:
+  - restart fedmsg-gateway

roles/fedmsg/relay/tasks/main.yml

@@ -0,0 +1,16 @@
+# This is a *very* simple role.  The config needed for fedmsg-relay to operate
+# correctly is actually included as part of the fedmsg/base role.
+
+- name: install fedmsg-relay
+  yum: pkg=fedmsg-relay state=installed
+  tags:
+  - packages
+  - fedmsg/relay
+
+- name: enable on boot and start fedmsg-relay
+  service: name=fedmsg-relay state=started enabled=true
+  tags:
+  - services
+  - fedmsg/relay
+  notify:
+  - restart fedmsg-relay