Single MongoDB node deployment in HA mode

[Alexander Kislitsky]

Release 5.0

Steps:
- Create environment
- Add controller, compute, mongo
- Deploy changes

MongoDB node role is primary-mongo in astute.yaml

Expected:
Mongo should be installed as primary-mongo without replset nodes

Actual:
Error log:
2014-04-17 07:54:07 ERR
 (/Stage[main]/Openstack::Mongo_primary/Mongodb::Db[ceilometer]/Mongodb_user[ceilometer_user]) /usr/lib/ruby/site_ruby/1.8/puppet/provider.rb:237:in `mongo'
2014-04-17 07:54:07 ERR
 (/Stage[main]/Openstack::Mongo_primary/Mongodb::Db[ceilometer]/Mongodb_user[ceilometer_user]) /usr/lib/ruby/site_ruby/1.8/puppet/provider/command.rb:23:in `execute'
2014-04-17 07:54:07 ERR
 (/Stage[main]/Openstack::Mongo_primary/Mongodb::Db[ceilometer]/Mongodb_user[ceilometer_user]) /usr/lib/ruby/site_ruby/1.8/puppet/util/execution.rb:188:in `execute'
2014-04-17 07:54:07 ERR
 (/Stage[main]/Openstack::Mongo_primary/Mongodb::Db[ceilometer]/Mongodb_user[ceilometer_user])
2014-04-17 07:54:07 ERR
 (/Stage[main]/Openstack::Mongo_primary/Mongodb::Db[ceilometer]/Mongodb_user[ceilometer_user]) Could not evaluate: Execution of '/usr/bin/mongo ceilometer --quiet --eval db.system.users.find({user:"ceilometer_user"}).count()' returned 252: Thu Apr 17 07:54:07.971 count failed: { "note" : "from execCommand", "ok" : 0, "errmsg" : "not master" } at src/mongo/shell/query.js:180