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# -*- coding: utf-8 -*-
# Copyright: (c) 2018, Dag Wieers (@dagwieers) <dag@wieers.com>
# Simplified BSD License (see licenses/simplified_bsd.txt or https://opensource.org/licenses/BSD-2-Clause)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from copy import deepcopy
from ansible.module_utils.basic import AnsibleModule, json
from ansible.module_utils.six import PY3
from ansible.module_utils.six.moves.urllib.parse import urlencode, urljoin
from ansible.module_utils.urls import fetch_url
from ansible.module_utils._text import to_bytes, to_native
if PY3:
def cmp(a, b):
return (a > b) - (a < b)
def issubset(subset, superset):
''' Recurse through nested dictionary and compare entries '''
# Both objects are the same object
if subset is superset:
return True
# Both objects are identical
if subset == superset:
return True
# Both objects have a different type
if type(subset) != type(superset):
return False
for key, value in subset.items():
# Ignore empty values
if value is None:
return True
# Item from subset is missing from superset
if key not in superset:
return False
# Item has different types in subset and superset
if type(superset[key]) != type(value):
return False
# Compare if item values are subset
if isinstance(value, dict):
if not issubset(superset[key], value):
return False
elif isinstance(value, list):
try:
# NOTE: Fails for lists of dicts
if not set(value) <= set(superset[key]):
return False
except TypeError:
# Fall back to exact comparison for lists of dicts
if not cmp(value, superset[key]):
return False
elif isinstance(value, set):
if not value <= superset[key]:
return False
else:
if not value == superset[key]:
return False
return True
def update_qs(params):
''' Append key-value pairs to self.filter_string '''
accepted_params = dict((k, v) for (k, v) in params.items() if v is not None)
return '?' + urlencode(accepted_params)
def mso_argument_spec():
return dict(
host=dict(type='str', required=True, aliases=['hostname']),
port=dict(type='int', required=False),
username=dict(type='str', default='admin'),
password=dict(type='str', required=True, no_log=True),
output_level=dict(type='str', default='normal', choices=['debug', 'info', 'normal']),
timeout=dict(type='int', default=30),
use_proxy=dict(type='bool', default=True),
use_ssl=dict(type='bool', default=True),
validate_certs=dict(type='bool', default=True),
)
def mso_reference_spec():
return dict(
name=dict(type='str', required=True),
schema=dict(type='str'),
template=dict(type='str'),
)
def mso_subnet_spec():
return dict(
subnet=dict(type='str', required=True, aliases=['ip']),
description=dict(type='str'),
scope=dict(type='str', choices=['private', 'public']),
shared=dict(type='bool'),
no_default_gateway=dict(type='bool'),
)
def mso_contractref_spec():
return dict(
name=dict(type='str', required=True),
schema=dict(type='str'),
template=dict(type='str'),
type=dict(type='str', required=True, choices=['consumer', 'provider']),
)
class MSOModule(object):
def __init__(self, module):
self.module = module
self.params = module.params
self.result = dict(changed=False)
self.headers = {'Content-Type': 'text/json'}
# normal output
self.existing = dict()
# info output
self.previous = dict()
self.proposed = dict()
self.sent = dict()
# debug output
self.has_modified = False
self.filter_string = ''
self.method = None
self.path = None
self.response = None
self.status = None
self.url = None
# Ensure protocol is set
self.params['protocol'] = 'https' if self.params.get('use_ssl', True) else 'http'
# Set base_uri
if self.params.get('port') is not None:
self.baseuri = '{protocol}://{host}:{port}/api/v1/'.format(**self.params)
else:
self.baseuri = '{protocol}://{host}/api/v1/'.format(**self.params)
if self.module._debug:
self.module.warn('Enable debug output because ANSIBLE_DEBUG was set.')
self.params['output_level'] = 'debug'
if self.params.get('password'):
# Perform password-based authentication, log on using password
self.login()
else:
self.module.fail_json(msg="Parameter 'password' is required for authentication")
def login(self):
''' Log in to MSO '''
# Perform login request
self.url = urljoin(self.baseuri, 'auth/login')
payload = {'username': self.params.get('username'), 'password': self.params.get('password')}
resp, auth = fetch_url(self.module,
self.url,
data=json.dumps(payload),
method='POST',
headers=self.headers,
timeout=self.params.get('timeout'),
use_proxy=self.params.get('use_proxy'))
# Handle MSO response
if auth.get('status') != 201:
self.response = auth.get('msg')
self.status = auth.get('status')
self.fail_json(msg='Authentication failed: {msg}'.format(**auth))
payload = json.loads(resp.read())
self.headers['Authorization'] = 'Bearer {token}'.format(**payload)
def request(self, path, method=None, data=None, qs=None):
''' Generic HTTP method for MSO requests. '''
self.path = path
if method is not None:
self.method = method
# If we PATCH with empty operations, return
if method == 'PATCH' and not data:
return {}
self.url = urljoin(self.baseuri, path)
if qs is not None:
self.url = self.url + update_qs(qs)
resp, info = fetch_url(self.module,
self.url,
headers=self.headers,
data=json.dumps(data),
method=self.method,
timeout=self.params.get('timeout'),
use_proxy=self.params.get('use_proxy'),
)
self.response = info.get('msg')
self.status = info.get('status')
# self.result['info'] = info
# Get change status from HTTP headers
if 'modified' in info:
self.has_modified = True
if info.get('modified') == 'false':
self.result['changed'] = False
elif info.get('modified') == 'true':
self.result['changed'] = True
# 200: OK, 201: Created, 202: Accepted, 204: No Content
if self.status in (200, 201, 202, 204):
output = resp.read()
if output:
return json.loads(output)
# 404: Not Found
elif self.method == 'DELETE' and self.status == 404:
return {}
# 400: Bad Request, 401: Unauthorized, 403: Forbidden,
# 405: Method Not Allowed, 406: Not Acceptable
# 500: Internal Server Error, 501: Not Implemented
elif self.status >= 400:
try:
output = resp.read()
payload = json.loads(output)
except (ValueError, AttributeError):
try:
payload = json.loads(info['body'])
except Exception:
self.fail_json(msg='MSO Error:', data=data, info=info)
if 'code' in payload:
self.fail_json(msg='MSO Error {code}: {message}'.format(**payload), data=data, info=info, payload=payload)
else:
self.fail_json(msg='MSO Error:'.format(**payload), data=data, info=info, payload=payload)
return {}
def query_objs(self, path, key=None, **kwargs):
''' Query the MSO REST API for objects in a path '''
found = []
objs = self.request(path, method='GET')
if objs == {}:
return found
if key is None:
key = path
if key not in objs:
self.fail_json(msg="Key '%s' missing from data", data=objs)
for obj in objs[key]:
for kw_key, kw_value in kwargs.items():
if kw_value is None:
continue
if obj[kw_key] != kw_value:
break
else:
found.append(obj)
return found
def get_obj(self, path, **kwargs):
''' Get a specific object from a set of MSO REST objects '''
objs = self.query_objs(path, **kwargs)
if len(objs) == 0:
return {}
if len(objs) > 1:
self.fail_json(msg='More than one object matches unique filter: {0}'.format(kwargs))
return objs[0]
def lookup_schema(self, schema):
''' Look up schema and return its id '''
if schema is None:
return schema
s = self.get_obj('schemas', displayName=schema)
if not s:
self.module.fail_json(msg="Schema '%s' is not a valid schema name." % schema)
if 'id' not in s:
self.module.fail_json(msg="Schema lookup failed for schema '%s': %s" % (schema, s))
return s.get('id')
def lookup_domain(self, domain):
''' Look up a domain and return its id '''
if domain is None:
return domain
d = self.get_obj('auth/domains', key='domains', name=domain)
if not d:
self.module.fail_json(msg="Domain '%s' is not a valid domain name." % domain)
if 'id' not in d:
self.module.fail_json(msg="Domain lookup failed for domain '%s': %s" % (domain, d))
return d.get('id')
def lookup_roles(self, roles):
''' Look up roles and return their ids '''
if roles is None:
return roles
ids = []
for role in roles:
r = self.get_obj('roles', name=role)
if not r:
self.module.fail_json(msg="Role '%s' is not a valid role name." % role)
if 'id' not in r:
self.module.fail_json(msg="Role lookup failed for role '%s': %s" % (role, r))
ids.append(dict(roleId=r.get('id')))
return ids
def lookup_site(self, site):
''' Look up a site and return its id '''
if site is None:
return site
s = self.get_obj('sites', name=site)
if not s:
self.module.fail_json(msg="Site '%s' is not a valid site name." % site)
if 'id' not in s:
self.module.fail_json(msg="Site lookup failed for site '%s': %s" % (site, s))
return s.get('id')
def lookup_sites(self, sites):
''' Look up sites and return their ids '''
if sites is None:
return sites
ids = []
for site in sites:
s = self.get_obj('sites', name=site)
if not s:
self.module.fail_json(msg="Site '%s' is not a valid site name." % site)
if 'id' not in s:
self.module.fail_json(msg="Site lookup failed for site '%s': %s" % (site, s))
ids.append(dict(siteId=s.get('id'), securityDomains=[]))
return ids
def lookup_tenant(self, tenant):
''' Look up a tenant and return its id '''
if tenant is None:
return tenant
t = self.get_obj('tenants', key='tenants', name=tenant)
if not t:
self.module.fail_json(msg="Tenant '%s' is not valid tenant name." % tenant)
if 'id' not in t:
self.module.fail_json(msg="Tenant lookup failed for tenant '%s': %s" % (tenant, t))
return t.get('id')
def lookup_users(self, users):
''' Look up users and return their ids '''
if users is None:
return users
ids = []
for user in users:
u = self.get_obj('users', username=user)
if not u:
self.module.fail_json(msg="User '%s' is not a valid user name." % user)
if 'id' not in u:
self.module.fail_json(msg="User lookup failed for user '%s': %s" % (user, u))
ids.append(dict(userId=u.get('id')))
return ids
def create_label(self, label, label_type):
''' Create a new label '''
return self.request('labels', method='POST', data=dict(displayName=label, type=label_type))
def lookup_labels(self, labels, label_type):
''' Look up labels and return their ids (create if necessary) '''
if labels is None:
return None
ids = []
for label in labels:
l = self.get_obj('labels', displayName=label)
if not l:
l = self.create_label(label, label_type)
if 'id' not in l:
self.module.fail_json(msg="Label lookup failed for label '%s': %s" % (label, l))
ids.append(l.get('id'))
return ids
def anp_ref(self, **data):
''' Create anpRef string '''
return '/schemas/{schema_id}/templates/{template}/anps/{anp}'.format(**data)
def epg_ref(self, **data):
''' Create epgRef string '''
return '/schemas/{schema_id}/templates/{template}/anps/{anp}/epgs/{epg}'.format(**data)
def bd_ref(self, **data):
''' Create bdRef string '''
return '/schemas/{schema_id}/templates/{template}/bds/{bd}'.format(**data)
def contract_ref(self, **data):
''' Create contractRef string '''
# Support the contract argspec
if 'name' in data:
data['contract'] = data.get('name')
return '/schemas/{schema_id}/templates/{template}/contracts/{contract}'.format(**data)
def filter_ref(self, **data):
''' Create a filterRef string '''
return '/schemas/{schema_id}/templates/{template}/filters/{filter}'.format(**data)
def vrf_ref(self, **data):
''' Create vrfRef string '''
return '/schemas/{schema_id}/templates/{template}/vrfs/{vrf}'.format(**data)
def make_reference(self, data, reftype, schema_id, template):
''' Create a reference from a dictionary '''
# Removes entry from payload
if data is None:
return None
if data.get('schema') is not None:
schema_obj = self.get_obj('schemas', displayName=data.get('schema'))
if not schema_obj:
self.fail_json(msg="Referenced schema '{schema}' in {reftype}ref does not exist".format(reftype=reftype, **data))
schema_id = schema_obj.get('id')
if data.get('template') is not None:
template = data.get('template')
refname = '%sName' % reftype
return {
refname: data.get('name'),
'schemaId': schema_id,
'templateName': template,
}
def make_subnets(self, data):
''' Create a subnets list from input '''
if data is None:
return None
subnets = []
for subnet in data:
subnets.append(dict(
ip=subnet.get('ip'),
description=subnet.get('description', subnet.get('ip')),
scope=subnet.get('scope', 'private'),
shared=subnet.get('shared', False),
noDefaultGateway=subnet.get('no_default_gateway', False),
))
return subnets
def sanitize(self, updates, collate=False, required=None, unwanted=None):
''' Clean up unset keys from a request payload '''
if required is None:
required = []
if unwanted is None:
unwanted = []
self.proposed = deepcopy(self.existing)
self.sent = deepcopy(self.existing)
for key in self.existing:
# Remove References
if key.endswith('Ref'):
del(self.proposed[key])
del(self.sent[key])
continue
# Removed unwanted keys
elif key in unwanted:
del(self.proposed[key])
del(self.sent[key])
continue
# Clean up self.sent
for key in updates:
# Always retain 'id'
if key in required:
pass
# Remove unspecified values
elif not collate and updates[key] is None:
if key in self.existing:
del(self.sent[key])
continue
# Remove identical values
elif not collate and key in self.existing and updates[key] == self.existing[key]:
del(self.sent[key])
continue
# Add everything else
if updates[key] is not None:
self.sent[key] = updates[key]
# Update self.proposed
self.proposed.update(self.sent)
def exit_json(self, **kwargs):
''' Custom written method to exit from module. '''
if self.params.get('state') in ('absent', 'present'):
if self.params.get('output_level') in ('debug', 'info'):
self.result['previous'] = self.previous
# FIXME: Modified header only works for PATCH
if not self.has_modified and self.previous != self.existing:
self.result['changed'] = True
# Return the gory details when we need it
if self.params.get('output_level') == 'debug':
self.result['method'] = self.method
self.result['response'] = self.response
self.result['status'] = self.status
self.result['url'] = self.url
if self.params.get('state') in ('absent', 'present'):
self.result['sent'] = self.sent
self.result['proposed'] = self.proposed
self.result['current'] = self.existing
if self.module._diff and self.result.get('changed') is True:
self.result['diff'] = dict(
before=self.previous,
after=self.existing,
)
self.result.update(**kwargs)
self.module.exit_json(**self.result)
def fail_json(self, msg, **kwargs):
''' Custom written method to return info on failure. '''
if self.params.get('state') in ('absent', 'present'):
if self.params.get('output_level') in ('debug', 'info'):
self.result['previous'] = self.previous
# FIXME: Modified header only works for PATCH
if not self.has_modified and self.previous != self.existing:
self.result['changed'] = True
# Return the gory details when we need it
if self.params.get('output_level') == 'debug':
if self.url is not None:
self.result['method'] = self.method
self.result['response'] = self.response
self.result['status'] = self.status
self.result['url'] = self.url
if self.params.get('state') in ('absent', 'present'):
self.result['sent'] = self.sent
self.result['proposed'] = self.proposed
self.result['current'] = self.existing
self.result.update(**kwargs)
self.module.fail_json(msg=msg, **self.result)
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