Fix three nits

These were caught in earlier reviews.

Change-Id: I026678fbbe871ffb138fd2c0dba9e788457da3a0

doc/source/sysadmin.rst

@@ -299,7 +299,7 @@ puppet at times when landing a change to the puppet repo would be either
 unreasonable or impossible.
 
 There are two sections in each file, `disabled` and `disabled:children`. Due
-to te multi-cloud nature of the ansible inventory, a hostname cannot be counted
+to the multi-cloud nature of the ansible inventory, a hostname cannot be counted
 on to be unique, so each cloud instance is listed in the inventory by its
 UUID with a group created for its hostname. If you want to disable a cloud
 instance by name, you need to put its name in `disabled:children`. If you want

launch/launch-node.py

@@ -298,7 +298,8 @@ def main():
     dns.print_dns(client, options.name)
     # Remove the ansible inventory cache so that next run finds the new
     # server
-    os.unlink('/var/cache/ansible-inventory.json')
+    if os.path.exists('/var/cache/ansible-inventory/ansible-inventory.cache'):
+        os.unlink('/var/cache/ansible-inventory/ansible-inventory.cache')
 
 if __name__ == '__main__':
     main()

modules/openstack_project/manifests/puppetmaster.pp

@@ -207,6 +207,6 @@ class openstack_project::puppetmaster (
     ensure  => present,
     owner   => 'root',
     group   => 'root',
-    mode    => '0444',
+    mode    => '0644',
   }
 }