tune cobbler snippets to deploy large scale cluster

Change-Id: I886b333ca2ede1088acb5bab69e14a8fe8884376

chef/databags/openstack/openstack.json

@@ -2,6 +2,29 @@
       "os-network" : "openstack network node",
       "os-compute-worker" : "openstack nova node"
     },
+  "role_mapping": {
+      "os-single-controller": {
+          "/db/mysql/bind_address": "/networking/interfaces/management/ip",
+          "/mq/rabbitmq/bind_address": "/networking/interfaces/management/ip",
+          "/endpoints/compute/metadata/host": "/networking/interfaces/management/ip",
+          "/endpoints/compute/novnc/host": "/networking/interfaces/management/ip",
+          "/endpoints/compute/service/host": "/networking/interfaces/management/ip",
+          "/endpoints/compute/xvpvnc/host": "/networking/interfaces/management/ip",
+          "/endpoints/ec2/admin/host": "/networking/interfaces/management/ip",
+          "/endpoints/ec2/service/host": "/networking/interfaces/management/ip",
+          "/endpoints/identity/admin/host": "/networking/interfaces/management/ip",
+          "/endpoints/identity/service/host": "/networking/interfaces/management/ip",
+          "/endpoints/image/registry/host": "/networking/interfaces/management/ip",
+          "/endpoints/image/service/host": "/networking/interfaces/management/ip",
+          "/endpoints/metering/service/host": "/networking/interfaces/management/ip",
+          "/endpoints/network/service/host": "/networking/interfaces/management/ip",
+          "/endpoints/volume/service/host": "/networking/interfaces/management/ip"
+        },
+      "os-network": {
+      },
+      "os-compute-worker": {
+      }
+    },
   "credential" : { "identity" : { "roles" : { "admin" : "admin",
               "member" : "Member"
             },

cobbler/conf/cobbler.conf

@@ -0,0 +1,40 @@
+# This configuration file allows cobbler data
+# to be accessed over HTTP.
+
+AliasMatch ^/cblr/svc/op/ks/system/(.*)?$ "/var/www/cblr_ks/$1"
+AliasMatch ^/cblr(?!/svc/)(.*)?$ "/var/www/cobbler$1"
+AliasMatch ^/cobbler_track(.*)?$ "/var/www/cobbler$1"
+#AliasMatch ^/cobbler(.*)?$ "/var/www/cobbler$1"
+Alias /cobbler /var/www/cobbler
+Alias /cobbler_webui_content /var/www/cobbler_webui_content
+
+WSGIScriptAliasMatch ^/cblr/svc/([^/]*) /var/www/cobbler/svc/services.py
+
+<Directory "/var/www/cobbler">
+    Options Indexes FollowSymLinks
+    Order allow,deny
+    Allow from all
+</Directory>
+
+ProxyRequests off
+
+ProxyPass /cobbler_api http://localhost:25151/
+ProxyPassReverse /cobbler_api http://localhost:25151/
+
+BrowserMatch "MSIE" AuthDigestEnableQueryStringHack=On
+
+# the webui is now part of the "cobbler-web" package
+# and is visited at http://.../cobbler_web not this URL.
+# this is only a pointer to the new page.
+
+<Directory "/var/www/cobbler/web/">
+    Options Indexes FollowSymLinks
+    Order allow,deny
+    Allow from all
+</Directory>
+
+<Directory "/var/www/cblr_ks/">
+    Options Indexes FollowSymLinks
+    Order allow,deny
+    Allow from all
+</Directory>

cobbler/snippets/chef

@@ -30,24 +30,34 @@ EOL
 service rsyslog restart
 
 
-cat << EOF > /etc/chef/rerun.sh
+cat << EOF > /etc/chef/firstrun.sh
 #raw
 #!/bin/bash
-pgrep chef-client
-while [ "\$?" != "0" ]; do
-chef-client -p /var/run/chef-client.pid -j /etc/chef/first-boot.json &> /tmp/chef.log
-if [ "\$?" == "0" ]; then
-sed -i "/log_location/c\log_location     '/dev/null'" /etc/chef/client.rb
-break
-else
-sleep 1m
-pgrep chef-client
-fi
+while true; do
+  pgrep chef-client
+  if [ "\$?" == "0" ]; then
+    exit 1
+  fi
+  chef-client -j /etc/chef/first-boot.json -L /var/log/chef-client.log &> /tmp/chef.log
+  if [ "\$?" != "0" ]; then
+    sleep 1m
+  else
+    break
+  fi
 done
 #end raw
 EOF
 
-
+cat << EOF > /etc/chef/rerun.sh
+#raw
+#!/bin/bash
+pgrep chef-client
+if [ "\$?" == "0" ]; then
+  exit 1
+fi
+chef-client &> /tmp/chef.log
+#end raw
+EOF
 
 ## A self-destruct service to boot chef client and register cron job
 cat << EOF > /etc/init.d/chef
@@ -64,8 +74,9 @@ echo "path: \$PATH" 2>&1 >> /tmp/ntp.log
 echo "new date is: \`date\`" 2>&1 >> /tmp/ntp.log
 #end if
 
+chmod +x /etc/chef/firstrun.sh
 chmod +x /etc/chef/rerun.sh
-/etc/chef/rerun.sh &
+/etc/chef/firstrun.sh &
 
 crontab -l  > mycron
 echo "*/30 * * * *  /etc/chef/rerun.sh" >> mycron

cobbler/snippets/client.rb

@@ -1,5 +1,5 @@
 log_level        :info
-log_location     '/var/log/chef-client.log'
+log_location     '/dev/null'
 #if $getVar('chef_url', '') != ""
 chef_server_url  '$chef_url'
 #end if
@@ -14,5 +14,7 @@ no_proxy         '$ignore_proxy'
 node_name        '$chef_node_name'
 #end if
 validation_client_name 'chef-validator'
+json_attribs nil
+pid_file '/var/run/chef-client.pid'
 # Using default node name (fqdn) 
 no_lazy_load true

cobbler/snippets/sysctl.conf

@@ -61,7 +61,7 @@ net.ipv4.tcp_tw_recycle = 1
 net.ipv4.tcp_tw_reuse = 1 
 
 # increase the maximum number of requests queued to a listen socket
-net.core.somaxconn = 1024
+net.core.somaxconn = 8192
 
 # avoid caching tcp network transfer statistics 
 net.ipv4.route.flush=1

cobbler/triggers/sync/post/migrate_ks.py

@@ -0,0 +1,29 @@
+#!/usr/bin/python
+"""script to migrate rendered kickstart files from cobbler to outside."""
+import logging
+
+from cobbler import api
+
+
+def main():
+    """main entry"""
+    cobbler_api = api.BootAPI()
+    for system in cobbler_api.systems():
+        cobbler_api.kickgen.generate_kickstart_for_system(system.name)
+        try:
+            with open(
+                '/var/www/cblr_ks/%s' % system.name, 'w'
+            ) as kickstart_file:
+                logging.info("Migrating kickstart for %s", system.name)
+                data = cobbler_api.kickgen.generate_kickstart_for_system(
+                    system.name)
+                kickstart_file.write(data)
+        except Exception as error:
+            logging.error("Directory /var/www/cblr_ks/ does not exist.")
+            logging.exception(error)
+            raise error
+
+
+if __name__ == '__main__':
+    logging.info("Running kickstart migration")
+    main()

cobbler/triggers/sync/post/migrate_ks.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-python /opt/compass/bin/migrate_ks.py