Increase readability of nagios notification mail subjects (#6847)

Change-Id: Ic9af9ef3602abbb51edf1c9d71d4d264b4ace714

3 files changed, 14 insertions, 7 deletions

diff --git a/puppet/modules/site_check_mk/files/extra_host_conf.mk b/puppet/modules/site_check_mk/files/extra_host_conf.mk
deleted file mode 100644
index 2c96f97a..00000000
--- a/puppet/modules/site_check_mk/files/extra_host_conf.mk
+++ /dev/null
@@ -1,6 +0,0 @@
-# retry 3 times before setting a host into a hard state
-# and send out notification
-extra_host_conf["max_check_attempts"] = [ 
-  ("4", ALL_HOSTS ) 
-]
-
diff --git a/puppet/modules/site_check_mk/manifests/server.pp b/puppet/modules/site_check_mk/manifests/server.pp
index 67519513..57f68d3e 100644
--- a/puppet/modules/site_check_mk/manifests/server.pp
+++ b/puppet/modules/site_check_mk/manifests/server.pp
@@ -54,7 +54,7 @@ class site_check_mk::server {
       notify  => Exec['check_mk-refresh'],
       require => Package['check-mk-server'];
     '/etc/check_mk/conf.d/extra_host_conf.mk':
-      source  => 'puppet:///modules/site_check_mk/extra_host_conf.mk',
+      content => template('site_check_mk/extra_host_conf.mk'),
       notify  => Exec['check_mk-refresh'],
       require => Package['check-mk-server'];
 
diff --git a/puppet/modules/site_check_mk/templates/extra_host_conf.mk b/puppet/modules/site_check_mk/templates/extra_host_conf.mk
new file mode 100644
index 00000000..bc27b514
--- /dev/null
+++ b/puppet/modules/site_check_mk/templates/extra_host_conf.mk
@@ -0,0 +1,13 @@
+# retry 3 times before setting a host into a hard state
+# and send out notification
+extra_host_conf["max_check_attempts"] = [
+  ("4", ALL_HOSTS )
+]
+
+# Use hostnames as alias so notification mail subjects
+# are more readable and not so long. Alias defaults to
+# the fqdn of a host is not changed.
+extra_host_conf["alias"] = [
+<% @hosts.keys.sort.each do |key| -%>  ( "<%= key.strip %>", ["<%= @hosts[key]['domain_internal']%>"]),
+<% end -%>
+]