Since host variables are becoming important, it did not make sense to sustain --override-hosts, with the ability

to create hosts that didn't have inventory information, but also existed, in various groups.

bin/ansible-playbook

@@ -33,8 +33,6 @@ def main(args):
     # create parser for CLI options
     usage = "%prog playbook.yml"
     parser = utils.base_parser(constants=C, usage=usage, connect_opts=True, runas_opts=True)
-    parser.add_option('-O', '--override-hosts', dest="override_hosts", default=None,
-        help="run playbook against these hosts regardless of inventory settings")
     parser.add_option('-e', '--extra-vars', dest="extra_vars", default=None,
         help="set additional key=value variables from the CLI")
 
@@ -54,9 +52,6 @@ def main(args):
     if options.sudo_user:
         options.sudo = True
     options.sudo_user = options.sudo_user or C.DEFAULT_SUDO_USER
-    override_hosts = None
-    if options.override_hosts:
-        override_hosts = options.override_hosts.split(",")
     extra_vars = utils.parse_kv(options.extra_vars)
 
     # run all playbooks specified on the command line
@@ -70,7 +65,6 @@ def main(args):
             playbook=playbook,
             module_path=options.module_path,
             host_list=options.inventory, 
-            override_hosts=override_hosts,
             forks=options.forks, 
             debug=options.debug, 
             remote_user=options.remote_user,

lib/ansible/group.py

@@ -73,3 +73,4 @@ class Group(object):
 
 
 
+

lib/ansible/inventory.py

@@ -37,15 +37,21 @@ class Inventory(object):
 
     def __init__(self, host_list=C.DEFAULT_HOST_LIST):
 
+        # the host file file or script path
+        if type(host_list) not in [ str, unicode ]:
+            raise Exception("host list must be a path")
         self.host_list = host_list
+
+        # the inventory object holds a list of groups
         self.groups = []
+ 
+        # a list of host(names) to contain current inquiries to
         self._restriction = None
+
+        # whether the inventory file is a script
         self._is_script = False
 
-        if host_list:
+        if os.access(host_list, os.X_OK):
-            if type(host_list) == list:
-                self.groups = self._groups_from_override_hosts(host_list)
-            elif os.access(host_list, os.X_OK):
             self._is_script = True
             self.parser = InventoryScript(filename=host_list)
             self.groups = self.parser.groups.values()
@@ -58,13 +64,6 @@ class Inventory(object):
                 self.parser = InventoryParserYaml(filename=host_list)
                 self.groups = self.parser.groups.values()
       
-    def _groups_from_override_hosts(self, list):
-        # support for playbook's --override-hosts only
-        all = Group(name='all') 
-        for h in list:
-            all.add_host(Host(name=h))
-        return dict(all=all) 
-
     def _match(self, str, pattern_str):
         return fnmatch.fnmatch(str, pattern_str)
 
@@ -73,7 +72,8 @@ class Inventory(object):
         hosts = {}
         patterns = pattern.replace(";",":").split(":")
 
-        for group in self.get_groups():
+        groups = self.get_groups()
+        for group in groups:
              for host in group.get_hosts():
                  for pat in patterns:
                      if group.name == pat or pat == 'all' or self._match(host.name, pat):
@@ -131,19 +131,22 @@ class Inventory(object):
         self.groups.append(group)
 
     def list_hosts(self, pattern="all"):
-        """ DEPRECATED: Get all host names matching the pattern """
         return [ h.name for h in self.get_hosts(pattern) ]
 
     def list_groups(self):
         return [ g.name for g in self.groups ] 
 
-    def restrict_to(self, restriction):
+    def get_restriction(self):
+        return self._restriction
+
+    def restrict_to(self, restriction, append_missing=False):
         """ Restrict list operations to the hosts given in restriction """
+   
 	if type(restriction) != list:
 	    restriction = [ restriction ]
 	self._restriction = restriction
 
     def lift_restriction(self):
         """ Do not restrict list operations """
-        self._restriction = None
 
+        self._restriction = None

lib/ansible/playbook.py

@@ -56,7 +56,6 @@ class PlayBook(object):
         sudo_pass        = C.DEFAULT_SUDO_PASS,
         remote_port      = C.DEFAULT_REMOTE_PORT,
         transport        = C.DEFAULT_TRANSPORT,
-        override_hosts   = None,
         debug            = False,
         callbacks        = None,
         runner_callbacks = None,
@@ -76,7 +75,6 @@ class PlayBook(object):
         sudo_pass:        if sudo==True, and a password is required, this is the sudo password
         remote_port:      default remote port to use if not specified with the host or play
         transport:        how to connect to hosts that don't specify a transport (local, paramiko, etc)
-        override_hosts:   skip the inventory file, just talk to these hosts
         callbacks         output callbacks for the playbook
         runner_callbacks: more callbacks, this time for the runner API
         stats:            holds aggregrate data about events occuring to each host
@@ -99,7 +97,6 @@ class PlayBook(object):
         self.debug            = debug
         self.callbacks        = callbacks
         self.runner_callbacks = runner_callbacks
-        self.override_hosts   = override_hosts
         self.stats            = stats
         self.sudo             = sudo
         self.sudo_pass        = sudo_pass
@@ -107,16 +104,11 @@ class PlayBook(object):
         self.extra_vars       = extra_vars
         self.global_vars      = {}
 
-        if override_hosts is not None:
-            if type(override_hosts) != list:
-                raise errors.AnsibleError("override hosts must be a list")
-            if not self.inventory._is_script:
-                self.global_vars.update(ansible.inventory.Inventory(host_list).get_group_variables('all'))
-
-        else:
         self.inventory = ansible.inventory.Inventory(host_list)
+        
+
         if not self.inventory._is_script:
-                self.global_vars.update(ansible.inventory.Inventory(host_list).get_group_variables('all'))
+            self.global_vars.update(self.inventory.get_group_variables('all'))
 
         self.basedir          = os.path.dirname(playbook)
         self.playbook         = self._parse_playbook(playbook)
@@ -504,8 +496,6 @@ class PlayBook(object):
         name = pg.get('name', pattern)
         if isinstance(pattern, list):
             pattern = ';'.join(pattern)
-        if self.override_hosts:
-            pattern = 'all'
         if pattern is None:
             raise errors.AnsibleError('hosts declaration is required')