rax modules improvements

* Catch issues with invalid regions
* Ensure we send string only data as meta values in the rax module
* Add public_key/lookup example for rax_keypair
* Clean up import statements

library/cloud/rax

-#!/usr/bin/python -tt
+#!/usr/bin/python
 # This file is part of Ansible
 #
 # Ansible is free software: you can redistribute it and/or modify
@@ -175,18 +175,18 @@ EXAMPLES = '''
       register: rax
 '''
 
-import sys
-import time
 import os
 import re
+import time
+
 from uuid import UUID
 from types import NoneType
 
 try:
     import pyrax
+    HAS_PYRAX = True
 except ImportError:
-    print("failed=True msg='pyrax is required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 ACTIVE_STATUSES = ('ACTIVE', 'BUILD', 'HARD_REBOOT', 'MIGRATING', 'PASSWORD',
                    'REBOOT', 'REBUILD', 'RESCUE', 'RESIZE', 'REVERT_RESIZE')
@@ -379,8 +379,16 @@ def cloudservers(module, state, name, flavor, image, meta, key_name, files,
                  auto_increment, extra_create_args):
     cs = pyrax.cloudservers
     cnw = pyrax.cloud_networks
+    if not cnw:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
+
     servers = []
 
+    for key, value in meta.items():
+        meta[key] = repr(value)
+
     # Add the group meta key
     if group and 'group' not in meta:
         meta['group'] = group
@@ -641,6 +649,9 @@ def main():
         required_together=rax_required_together(),
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     service = module.params.get('service')
 
     if service is not None:
@@ -672,11 +683,6 @@ def main():
 
     setup_rax_module(module, pyrax)
 
-    if pyrax.cloudservers is None:
-        module.fail_json(msg='Failed to instantiate client. This '
-                             'typically indicates an invalid region or an '
-                             'incorrectly capitalized region name.')
-
     if extra_client_args:
         pyrax.cloudservers = pyrax.connect_to_cloudservers(
             region=pyrax.cloudservers.client.region_name,
@@ -685,6 +691,11 @@ def main():
         if 'bypass_url' in extra_client_args:
             client.management_url = extra_client_args['bypass_url']
 
+    if pyrax.cloudservers is None:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
+
     cloudservers(module, state, name, flavor, image, meta, key_name, files,
                  wait, wait_timeout, disk_config, count, group,
                  instance_ids, exact_count, networks, count_offset,

library/cloud/rax_clb

-#!/usr/bin/python -tt
+#!/usr/bin/python
 # This file is part of Ansible
 #
 # Ansible is free software: you can redistribute it and/or modify
@@ -130,15 +130,13 @@ EXAMPLES = '''
       register: my_lb
 '''
 
-import sys
-
 from types import NoneType
 
 try:
     import pyrax
+    HAS_PYRAX = True
 except ImportError:
-    print("failed=True msg='pyrax required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 NON_CALLABLES = (basestring, bool, dict, int, list, NoneType)
 ALGORITHMS = ['RANDOM', 'LEAST_CONNECTIONS', 'ROUND_ROBIN',
@@ -190,6 +188,10 @@ def cloud_load_balancer(module, state, name, meta, algorithm, port, protocol,
     balancers = []
 
     clb = pyrax.cloud_loadbalancers
+    if not clb:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
 
     for balancer in clb.list():
         if name != balancer.name and name != balancer.id:
@@ -308,6 +310,9 @@ def main():
         required_together=rax_required_together(),
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     algorithm = module.params.get('algorithm')
     meta = module.params.get('meta')
     name = module.params.get('name')

library/cloud/rax_clb_nodes

@@ -121,13 +121,12 @@ EXAMPLES = '''
 '''
 
 import os
-import sys
 
 try:
     import pyrax
+    HAS_PYRAX = True
 except ImportError:
-    print("failed=True msg='pyrax is required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 
 def _activate_virtualenv(path):
@@ -196,6 +195,9 @@ def main():
         required_together=rax_required_together(),
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     address = module.params['address']
     condition = (module.params['condition'] and
                  module.params['condition'].upper())
@@ -219,8 +221,9 @@ def main():
     setup_rax_module(module, pyrax)
 
     if not pyrax.cloud_loadbalancers:
-        module.fail_json(msg='Failed to instantiate load balancer client '
-                             '(possibly incorrect region)')
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
 
     try:
         lb = pyrax.cloud_loadbalancers.get(load_balancer_id)

library/cloud/rax_dns

-#!/usr/bin/python -tt
+#!/usr/bin/python
 # This file is part of Ansible
 #
 # Ansible is free software: you can redistribute it and/or modify
@@ -62,16 +62,13 @@ EXAMPLES = '''
       register: rax_dns
 '''
 
-import sys
-import os
-
 from types import NoneType
 
 try:
     import pyrax
+    HAS_PYRAX = True
 except ImportError:
-    print("failed=True msg='pyrax required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 NON_CALLABLES = (basestring, bool, dict, int, list, NoneType)
 
@@ -89,6 +86,10 @@ def rax_dns(module, comment, email, name, state, ttl):
     changed = False
 
     dns = pyrax.cloud_dns
+    if not dns:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
 
     if state == 'present':
         if not email:
@@ -159,6 +160,9 @@ def main():
         required_together=rax_required_together(),
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     comment = module.params.get('comment')
     email = module.params.get('email')
     name = module.params.get('name')

library/cloud/rax_dns_record

-#!/usr/bin/python -tt
+#!/usr/bin/python
 # This file is part of Ansible
 #
 # Ansible is free software: you can redistribute it and/or modify
@@ -87,16 +87,13 @@ EXAMPLES = '''
       register: rax_dns_record
 '''
 
-import sys
-import os
-
 from types import NoneType
 
 try:
     import pyrax
+    HAS_PYRAX = True
 except ImportError:
-    print("failed=True msg='pyrax required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 NON_CALLABLES = (basestring, bool, dict, int, list, NoneType)
 
@@ -115,6 +112,10 @@ def rax_dns_record(module, comment, data, domain, name, priority, record_type,
     changed = False
 
     dns = pyrax.cloud_dns
+    if not dns:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
 
     if state == 'present':
         if not priority and record_type in ['MX', 'SRV']:
@@ -211,6 +212,9 @@ def main():
         required_together=rax_required_together(),
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     comment = module.params.get('comment')
     data = module.params.get('data')
     domain = module.params.get('domain')

library/cloud/rax_facts

-#!/usr/bin/python -tt
+#!/usr/bin/python
 # This file is part of Ansible
 #
 # Ansible is free software: you can redistribute it and/or modify
@@ -55,16 +55,13 @@ EXAMPLES = '''
         ansible_ssh_host: "{{ rax_accessipv4 }}"
 '''
 
-import sys
-import os
-
 from types import NoneType
 
 try:
     import pyrax
+    HAS_PYRAX = True
 except ImportError:
-    print("failed=True msg='pyrax required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 NON_CALLABLES = (basestring, bool, dict, int, list, NoneType)
 
@@ -87,6 +84,12 @@ def rax_facts(module, address, name, server_id):
     changed = False
 
     cs = pyrax.cloudservers
+
+    if cs is None:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
+
     ansible_facts = {}
 
     search_opts = {}
@@ -139,6 +142,9 @@ def main():
         required_one_of=[['address', 'id', 'name']],
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     address = module.params.get('address')
     server_id = module.params.get('id')
     name = module.params.get('name')

library/cloud/rax_files

-#!/usr/bin/python -tt
+#!/usr/bin/python
 
 # (c) 2013, Paul Durivage <paul.durivage@rackspace.com>
 #
@@ -143,9 +143,9 @@ from ansible import __version__
 
 try:
     import pyrax
+    HAS_PYRAX = True
 except ImportError, e:
-    print("failed=True msg='pyrax is required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 EXIT_DICT = dict(success=True)
 META_PREFIX = 'x-container-meta-'
@@ -200,7 +200,8 @@ def meta(cf, module, container_, state, meta_, clear_meta):
     module.exit_json(**EXIT_DICT)
 
 
-def container(cf, module, container_, state, meta_, clear_meta, ttl, public, private, web_index, web_error):
+def container(cf, module, container_, state, meta_, clear_meta, ttl, public,
+              private, web_index, web_error):
     if public and private:
         module.fail_json(msg='container cannot be simultaneously '
                              'set to public and private')
@@ -297,9 +298,8 @@ def container(cf, module, container_, state, meta_, clear_meta, ttl, public, pri
     EXIT_DICT['container'] = c.name
     EXIT_DICT['objs_in_container'] = c.object_count
     EXIT_DICT['total_bytes'] = c.total_bytes
-    
+
     _locals = locals().keys()
-    
     if ('cont_deleted' in _locals
             or 'meta_set' in _locals
             or 'cont_public' in _locals
@@ -311,15 +311,23 @@ def container(cf, module, container_, state, meta_, clear_meta, ttl, public, pri
     module.exit_json(**EXIT_DICT)
 
 
-def cloudfiles(module, container_, state, meta_, clear_meta, typ, ttl, public, private, web_index, web_error):
-        """ Dispatch from here to work with metadata or file objects """
-        cf = pyrax.cloudfiles
-        cf.user_agent = USER_AGENT
+def cloudfiles(module, container_, state, meta_, clear_meta, typ, ttl, public,
+               private, web_index, web_error):
+    """ Dispatch from here to work with metadata or file objects """
+    cf = pyrax.cloudfiles
 
-        if typ == "container":
-            container(cf, module, container_, state, meta_, clear_meta, ttl, public, private, web_index, web_error)
-        else:
-            meta(cf, module, container_, state, meta_, clear_meta)
+    if cf is None:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
+
+    cf.user_agent = USER_AGENT
+
+    if typ == "container":
+        container(cf, module, container_, state, meta_, clear_meta, ttl,
+                  public, private, web_index, web_error)
+    else:
+        meta(cf, module, container_, state, meta_, clear_meta)
 
 
 def main():
@@ -327,7 +335,8 @@ def main():
     argument_spec.update(
         dict(
             container=dict(),
-            state=dict(choices=['present', 'absent', 'list'], default='present'),
+            state=dict(choices=['present', 'absent', 'list'],
+                       default='present'),
             meta=dict(type='dict', default=dict()),
             clear_meta=dict(default=False, type='bool'),
             type=dict(choices=['container', 'meta'], default='container'),
@@ -344,6 +353,9 @@ def main():
         required_together=rax_required_together()
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     container_ = module.params.get('container')
     state = module.params.get('state')
     meta_ = module.params.get('meta')
@@ -358,10 +370,12 @@ def main():
     if state in ['present', 'absent'] and not container_:
         module.fail_json(msg='please specify a container name')
     if clear_meta and not typ == 'meta':
-        module.fail_json(msg='clear_meta can only be used when setting metadata')
+        module.fail_json(msg='clear_meta can only be used when setting '
+                             'metadata')
 
     setup_rax_module(module, pyrax)
-    cloudfiles(module, container_, state, meta_, clear_meta, typ, ttl, public, private, web_index, web_error)
+    cloudfiles(module, container_, state, meta_, clear_meta, typ, ttl, public,
+               private, web_index, web_error)
 
 
 from ansible.module_utils.basic import *

library/cloud/rax_files_objects

-#!/usr/bin/python -tt
+#!/usr/bin/python
 
 # (c) 2013, Paul Durivage <paul.durivage@rackspace.com>
 #
@@ -187,9 +187,9 @@ import os
 
 try:
     import pyrax
-except ImportError, e:
-    print("failed=True msg='pyrax is required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = True
+except ImportError:
+    HAS_PYRAX = False
 
 EXIT_DICT = dict(success=False)
 META_PREFIX = 'x-object-meta-'
@@ -433,7 +433,6 @@ def get_meta(module, cf, container, src, dest):
                 meta_key = k.split(META_PREFIX)[-1]
                 results[obj][meta_key] = v
 
-
     EXIT_DICT['container'] = c.name
     if results:
         EXIT_DICT['meta_results'] = results
@@ -530,28 +529,33 @@ def delete_meta(module, cf, container, src, dest, meta):
 
 def cloudfiles(module, container, src, dest, method, typ, meta, clear_meta,
                structure, expires):
-        """ Dispatch from here to work with metadata or file objects """
-        cf = pyrax.cloudfiles
+    """ Dispatch from here to work with metadata or file objects """
+    cf = pyrax.cloudfiles
 
-        if typ == "file":
-            if method == 'put':
-                upload(module, cf, container, src, dest, meta, expires)
+    if cf is None:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
 
-            elif method == 'get':
-                download(module, cf, container, src, dest, structure)
+    if typ == "file":
+        if method == 'put':
+            upload(module, cf, container, src, dest, meta, expires)
 
-            elif method == 'delete':
-                delete(module, cf, container, src, dest)
+        elif method == 'get':
+            download(module, cf, container, src, dest, structure)
 
-        else:
-            if method == 'get':
-                get_meta(module, cf, container, src, dest)
+        elif method == 'delete':
+            delete(module, cf, container, src, dest)
 
-            if method == 'put':
-                put_meta(module, cf, container, src, dest, meta, clear_meta)
+    else:
+        if method == 'get':
+            get_meta(module, cf, container, src, dest)
 
-            if method == 'delete':
-                delete_meta(module, cf, container, src, dest, meta)
+        if method == 'put':
+            put_meta(module, cf, container, src, dest, meta, clear_meta)
+
+        if method == 'delete':
+            delete_meta(module, cf, container, src, dest, meta)
 
 
 def main():
@@ -575,6 +579,9 @@ def main():
         required_together=rax_required_together()
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     container = module.params.get('container')
     src = module.params.get('src')
     dest = module.params.get('dest')
@@ -595,4 +602,4 @@ def main():
 from ansible.module_utils.basic import *
 from ansible.module_utils.rax import *
 
-main()
+main()
\ No newline at end of file

library/cloud/rax_identity

-#!/usr/bin/python -tt
+#!/usr/bin/python
 # This file is part of Ansible
 #
 # Ansible is free software: you can redistribute it and/or modify
@@ -68,15 +68,13 @@ EXAMPLES = '''
       register: rackspace_identity
 '''
 
-import sys
-
 from types import NoneType
 
 try:
     import pyrax
+    HAS_PYRAX = True
 except ImportError:
-    print("failed=True msg='pyrax required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 
 NON_CALLABLES = (basestring, bool, dict, int, list, NoneType)
@@ -118,10 +116,18 @@ def main():
         required_together=rax_required_together()
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     state = module.params.get('state')
 
     setup_rax_module(module, pyrax)
 
+    if pyrax.identity is None:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
+
     cloud_identity(module, state, pyrax.identity)
 
 # import module snippets

library/cloud/rax_keypair

-#!/usr/bin/python -tt
+#!/usr/bin/python
 # This file is part of Ansible
 #
 # Ansible is free software: you can redistribute it and/or modify
@@ -48,7 +48,7 @@ extends_documentation_fragment: rackspace.openstack
 
 EXAMPLES = '''
 - name: Create a keypair
-  hosts: local
+  hosts: localhost
   gather_facts: False
   tasks:
     - name: keypair request
@@ -68,17 +68,28 @@ EXAMPLES = '''
         module: copy
         content: "{{ keypair.keypair.private_key }}"
         dest: "{{ inventory_dir }}/{{ keypair.keypair.name }}"
-'''
 
-import sys
+- name: Create a keypair
+  hosts: localhost
+  gather_facts: False
+  tasks:
+    - name: keypair request
+      local_action:
+        module: rax_keypair
+        credentials: ~/.raxpub
+        name: my_keypair
+        public_key: "{{ lookup('file', 'authorized_keys/id_rsa.pub') }}"
+        region: DFW
+      register: keypair
+'''
 
 from types import NoneType
 
 try:
     import pyrax
+    HAS_PYRAX = True
 except ImportError:
-    print("failed=True msg='pyrax required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 NON_CALLABLES = (basestring, bool, dict, int, list, NoneType)
 
@@ -96,6 +107,12 @@ def rax_keypair(module, name, public_key, state):
     changed = False
 
     cs = pyrax.cloudservers
+
+    if cs is None:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
+
     keypair = {}
 
     if state == 'present':
@@ -141,6 +158,9 @@ def main():
         required_together=rax_required_together(),
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     name = module.params.get('name')
     public_key = module.params.get('public_key')
     state = module.params.get('state')

library/cloud/rax_network

-#!/usr/bin/python -tt
+#!/usr/bin/python
 # This file is part of Ansible
 #
 # Ansible is free software: you can redistribute it and/or modify
@@ -57,16 +57,11 @@ EXAMPLES = '''
         state: present
 '''
 
-import sys
-import os
-
 try:
     import pyrax
-    import pyrax.utils
-    from pyrax import exc
+    HAS_PYRAX = True
 except ImportError:
-    print("failed=True msg='pyrax required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 
 def cloud_network(module, state, label, cidr):
@@ -78,10 +73,15 @@ def cloud_network(module, state, label, cidr):
     network = None
     networks = []
 
+    if not pyrax.cloud_networks:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
+
     if state == 'present':
         try:
             network = pyrax.cloud_networks.find_network_by_label(label)
-        except exc.NetworkNotFound:
+        except pyrax.exceptions.NetworkNotFound:
             try:
                 network = pyrax.cloud_networks.create(label, cidr=cidr)
                 changed = True
@@ -95,7 +95,7 @@ def cloud_network(module, state, label, cidr):
             network = pyrax.cloud_networks.find_network_by_label(label)
             network.delete()
             changed = True
-        except exc.NetworkNotFound:
+        except pyrax.exceptions.NetworkNotFound:
             pass
         except Exception, e:
             module.fail_json(msg='%s' % e.message)
@@ -125,6 +125,9 @@ def main():
         required_together=rax_required_together(),
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     state = module.params.get('state')
     label = module.params.get('label')
     cidr = module.params.get('cidr')

library/cloud/rax_queue

-#!/usr/bin/python -tt
+#!/usr/bin/python
 # This file is part of Ansible
 #
 # Ansible is free software: you can redistribute it and/or modify
@@ -55,15 +55,11 @@ EXAMPLES = '''
       register: my_queue
 '''
 
-import sys
-import os
-
-
 try:
     import pyrax
+    HAS_PYRAX = True
 except ImportError:
-    print("failed=True msg='pyrax is required for this module'")
-    sys.exit(1)
+    HAS_PYRAX = False
 
 
 def cloud_queue(module, state, name):
@@ -76,6 +72,10 @@ def cloud_queue(module, state, name):
     instance = {}
 
     cq = pyrax.queues
+    if not cq:
+        module.fail_json(msg='Failed to instantiate client. This '
+                             'typically indicates an invalid region or an '
+                             'incorrectly capitalized region name.')
 
     for queue in cq.list():
         if name != queue.name:
@@ -126,6 +126,9 @@ def main():
         required_together=rax_required_together()
     )
 
+    if not HAS_PYRAX:
+        module.fail_json(msg='pyrax is required for this module')
+
     name = module.params.get('name')
     state = module.params.get('state')