diff --git a/lib/ansible/modules/network/f5/bigip_gtm_wide_ip.py b/lib/ansible/modules/network/f5/bigip_gtm_wide_ip.py
index bc82a57ea4e..554eb530a26 100644
--- a/lib/ansible/modules/network/f5/bigip_gtm_wide_ip.py
+++ b/lib/ansible/modules/network/f5/bigip_gtm_wide_ip.py
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 #
-# Copyright (c) 2017 F5 Networks Inc.
+# Copyright: (c) 2017, F5 Networks Inc.
 # GNU General Public License v3.0 (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
 from __future__ import absolute_import, division, print_function
@@ -11,6 +11,7 @@ __metaclass__ = type
 ANSIBLE_METADATA = {'metadata_version': '1.1',
                     'status': ['stableinterface'],
                     'supported_by': 'certified'}
+
 DOCUMENTATION = r'''
 ---
 module: bigip_gtm_wide_ip
@@ -104,9 +105,17 @@ options:
       - You can use the same wildcard characters for aliases as you can for actual
         wide IP names.
     version_added: 2.7
+  last_resort_pool:
+    description:
+      - Specifies which GTM pool, for the system to use as the last resort pool for
+        the wide IP.
+      - The valid pools for this parameter are those with the C(type) specified in this
+        module.
+    version_added: 2.8
 extends_documentation_fragment: f5
 author:
   - Tim Rupp (@caphrim007)
+  - Wojciech Wypior (@wojtek0806)
 '''
 
 EXAMPLES = r'''
@@ -194,38 +203,38 @@ from ansible.module_utils.six import iteritems
 from distutils.version import LooseVersion
 
 try:
-    from library.module_utils.network.f5.bigip import HAS_F5SDK
-    from library.module_utils.network.f5.bigip import F5Client
+    from library.module_utils.network.f5.bigip import F5RestClient
     from library.module_utils.network.f5.common import F5ModuleError
     from library.module_utils.network.f5.common import AnsibleF5Parameters
     from library.module_utils.network.f5.common import cleanup_tokens
     from library.module_utils.network.f5.common import fq_name
-    from library.module_utils.network.f5.common import is_valid_fqdn
     from library.module_utils.network.f5.common import f5_argument_spec
-
-    try:
-        from library.module_utils.network.f5.common import iControlUnexpectedHTTPError
-    except ImportError:
-        HAS_F5SDK = False
+    from library.module_utils.network.f5.common import transform_name
+    from library.module_utils.network.f5.common import exit_json
+    from library.module_utils.network.f5.common import fail_json
+    from library.module_utils.network.f5.common import is_valid_fqdn
+    from library.module_utils.network.f5.icontrol import tmos_version
+    from library.module_utils.network.f5.icontrol import module_provisioned
 except ImportError:
-    from ansible.module_utils.network.f5.bigip import HAS_F5SDK
-    from ansible.module_utils.network.f5.bigip import F5Client
+    from ansible.module_utils.network.f5.bigip import F5RestClient
     from ansible.module_utils.network.f5.common import F5ModuleError
     from ansible.module_utils.network.f5.common import AnsibleF5Parameters
     from ansible.module_utils.network.f5.common import cleanup_tokens
     from ansible.module_utils.network.f5.common import fq_name
-    from ansible.module_utils.network.f5.common import is_valid_fqdn
     from ansible.module_utils.network.f5.common import f5_argument_spec
-    try:
-        from ansible.module_utils.network.f5.common import iControlUnexpectedHTTPError
-    except ImportError:
-        HAS_F5SDK = False
+    from ansible.module_utils.network.f5.common import transform_name
+    from ansible.module_utils.network.f5.common import exit_json
+    from ansible.module_utils.network.f5.common import fail_json
+    from ansible.module_utils.network.f5.common import is_valid_fqdn
+    from ansible.module_utils.network.f5.icontrol import tmos_version
+    from ansible.module_utils.network.f5.icontrol import module_provisioned
 
 
 class Parameters(AnsibleF5Parameters):
     api_map = {
         'poolLbMode': 'pool_lb_method',
         'rules': 'irules',
+        'lastResortPool': 'last_resort_pool',
     }
 
     updatables = [
@@ -236,6 +245,7 @@ class Parameters(AnsibleF5Parameters):
         'enabled',
         'disabled',
         'aliases',
+        'last_resort_pool',
     ]
 
     returnables = [
@@ -245,6 +255,7 @@ class Parameters(AnsibleF5Parameters):
         'pools',
         'irules',
         'aliases',
+        'last_resort_pool',
     ]
 
     api_attributes = [
@@ -254,6 +265,7 @@ class Parameters(AnsibleF5Parameters):
         'pools',
         'rules',
         'aliases',
+        'lastResortPool',
     ]
 
 
@@ -274,7 +286,7 @@ class ApiParameters(Parameters):
     def pools(self):
         result = []
         if self._values['pools'] is None:
-            return None
+            return []
         pools = sorted(self._values['pools'], key=lambda x: x['order'])
         for item in pools:
             pool = dict()
@@ -288,8 +300,22 @@ class ApiParameters(Parameters):
             result.append(pool)
         return result
 
+    @property
+    def last_resort_pool(self):
+        if self._values['last_resort_pool'] in [None, '', 'none']:
+            return ''
+        return self._values['last_resort_pool']
+
 
 class ModuleParameters(Parameters):
+    @property
+    def last_resort_pool(self):
+        if self._values['last_resort_pool'] in [None, '', 'none']:
+            return ''
+        return '{0} {1}'.format(
+            self.type, fq_name(self.partition, self._values['last_resort_pool'])
+        )
+
     @property
     def pool_lb_method(self):
         if self._values['pool_lb_method'] is None:
@@ -431,6 +457,14 @@ class ReportableChanges(Changes):
         )
         return result
 
+    @property
+    def last_resort_pool(self):
+        if self._values['last_resort_pool'] is None:
+            return None
+        if self._values['last_resort_pool'] in ['', 'none']:
+            return 'none'
+        return self._values['last_resort_pool'].split(' ')[1]
+
 
 class Difference(object):
     def __init__(self, want, have=None):
@@ -472,6 +506,15 @@ class Difference(object):
         else:
             return want
 
+    @property
+    def last_resort_pool(self):
+        if self.want.last_resort_pool is None:
+            return None
+        if self.want.last_resort_pool == '' and self.have.last_resort_pool == '':
+            return None
+        if self.want.last_resort_pool != self.have.last_resort_pool:
+            return self.want.last_resort_pool
+
     @property
     def state(self):
         if self.want.state == 'disabled' and self.have.enabled:
@@ -516,6 +559,10 @@ class ModuleManager(object):
         self.kwargs = kwargs
 
     def exec_module(self):
+        if not module_provisioned(self.client, 'gtm'):
+            raise F5ModuleError(
+                "GTM must be provisioned to use this module."
+            )
         if self.version_is_less_than_12():
             manager = self.get_manager('untyped')
         else:
@@ -529,7 +576,7 @@ class ModuleManager(object):
             return UntypedManager(**self.kwargs)
 
     def version_is_less_than_12(self):
-        version = self.client.api.tmos_version
+        version = tmos_version(self.client)
         if LooseVersion(version) < LooseVersion('12.0.0'):
             return True
         else:
@@ -575,13 +622,10 @@ class BaseManager(object):
         result = dict()
         state = self.want.state
 
-        try:
-            if state in ["present", "disabled"]:
-                changed = self.present()
-            elif state == "absent":
-                changed = self.absent()
-        except iControlUnexpectedHTTPError as e:
-            raise F5ModuleError(str(e))
+        if state in ["present", "disabled"]:
+            changed = self.present()
+        elif state == "absent":
+            changed = self.absent()
 
         reportable = ReportableChanges(params=self.changes.to_return())
         changes = reportable.to_return()
@@ -646,42 +690,89 @@ class BaseManager(object):
 
 class UntypedManager(BaseManager):
     def exists(self):
-        return self.client.api.tm.gtm.wideips.wideip.exists(
-            name=self.want.name,
-            partition=self.want.partition
+        uri = "https://{0}:{1}/mgmt/tm/gtm/wideip/{2}".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+            transform_name(self.want.partition, self.want.name)
         )
+        resp = self.client.api.get(uri)
+        try:
+            response = resp.json()
+        except ValueError:
+            return False
+        if resp.status == 404 or 'code' in response and response['code'] == 404:
+            return False
+        return True
 
     def update_on_device(self):
         params = self.changes.api_params()
-        result = self.client.api.tm.gtm.wideips.wipeip.load(
-            name=self.want.name,
-            partition=self.want.partition
+        uri = "https://{0}:{1}/mgmt/tm/gtm/wideip/{2}".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+            transform_name(self.want.partition, self.want.name)
         )
-        result.modify(**params)
+        resp = self.client.api.patch(uri, json=params)
+        try:
+            response = resp.json()
+        except ValueError as ex:
+            raise F5ModuleError(str(ex))
+
+        if 'code' in response and response['code'] == 400:
+            if 'message' in response:
+                raise F5ModuleError(response['message'])
+            else:
+                raise F5ModuleError(resp.content)
 
     def read_current_from_device(self):
-        resource = self.client.api.tm.gtm.wideips.wideip.load(
-            name=self.want.name,
-            partition=self.want.partition
+        uri = "https://{0}:{1}/mgmt/tm/gtm/wideip/{2}".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+            transform_name(self.want.partition, self.want.name)
         )
-        result = resource.attrs
-        return ApiParameters(params=result)
+        resp = self.client.api.get(uri)
+        try:
+            response = resp.json()
+        except ValueError as ex:
+            raise F5ModuleError(str(ex))
+
+        if 'code' in response and response['code'] == 400:
+            if 'message' in response:
+                raise F5ModuleError(response['message'])
+            else:
+                raise F5ModuleError(resp.content)
+        return ApiParameters(params=response)
 
     def create_on_device(self):
         params = self.changes.api_params()
-        self.client.api.tm.gtm.wideips.wideip.create(
-            name=self.want.name,
-            partition=self.want.partition,
-            **params
+        params['name'] = self.want.name
+        params['partition'] = self.want.partition
+        uri = "https://{0}:{1}/mgmt/tm/gtm/wideip/".format(
+            self.client.provider['server'],
+            self.client.provider['server_port']
         )
+        resp = self.client.api.post(uri, json=params)
+        try:
+            response = resp.json()
+        except ValueError as ex:
+            raise F5ModuleError(str(ex))
+
+        if 'code' in response and response['code'] in [400, 403]:
+            if 'message' in response:
+                raise F5ModuleError(response['message'])
+            else:
+                raise F5ModuleError(resp.content)
+        return response['selfLink']
 
     def remove_from_device(self):
-        result = self.client.api.tm.gtm.wideips.wideip.load(
-            name=self.want.name,
-            partition=self.want.partition
+        uri = "https://{0}:{1}/mgmt/tm/gtm/wideip/{2}".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+            transform_name(self.want.partition, self.want.name)
         )
-        if result:
-            result.delete()
+        response = self.client.api.delete(uri)
+        if response.status == 200:
+            return True
+        raise F5ModuleError(response.content)
 
 
 class TypedManager(BaseManager):
@@ -692,69 +783,96 @@ class TypedManager(BaseManager):
                 "The 'type' option is required for BIG-IP instances "
                 "greater than or equal to 12.x"
             )
-        type_map = dict(
-            a='a_s',
-            aaaa='aaaas',
-            cname='cnames',
-            mx='mxs',
-            naptr='naptrs',
-            srv='srvs'
-        )
-        self.collection = type_map[self.want.type]
 
     def exists(self):
-        wideips = self.client.api.tm.gtm.wideips
-        collection = getattr(wideips, self.collection)
-        resource = getattr(collection, self.want.type)
-        result = resource.exists(
-            name=self.want.name,
-            partition=self.want.partition
+        uri = "https://{0}:{1}/mgmt/tm/gtm/wideip/{2}/{3}".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+            self.want.type,
+            transform_name(self.want.partition, self.want.name)
         )
-        return result
+        resp = self.client.api.get(uri)
+        try:
+            response = resp.json()
+        except ValueError:
+            return False
+        if resp.status == 404 or 'code' in response and response['code'] == 404:
+            return False
+        return True
 
     def update_on_device(self):
         params = self.changes.api_params()
-        wideips = self.client.api.tm.gtm.wideips
-        collection = getattr(wideips, self.collection)
-        resource = getattr(collection, self.want.type)
-        result = resource.load(
-            name=self.want.name,
-            partition=self.want.partition
+        uri = "https://{0}:{1}/mgmt/tm/gtm/wideip/{2}/{3}".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+            self.want.type,
+            transform_name(self.want.partition, self.want.name)
         )
-        result.modify(**params)
+        resp = self.client.api.patch(uri, json=params)
+        try:
+            response = resp.json()
+        except ValueError as ex:
+            raise F5ModuleError(str(ex))
+
+        if 'code' in response and response['code'] == 400:
+            if 'message' in response:
+                raise F5ModuleError(response['message'])
+            else:
+                raise F5ModuleError(resp.content)
 
     def read_current_from_device(self):
-        wideips = self.client.api.tm.gtm.wideips
-        collection = getattr(wideips, self.collection)
-        resource = getattr(collection, self.want.type)
-        result = resource.load(
-            name=self.want.name,
-            partition=self.want.partition
+        uri = "https://{0}:{1}/mgmt/tm/gtm/wideip/{2}/{3}".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+            self.want.type,
+            transform_name(self.want.partition, self.want.name)
         )
-        result = result.attrs
-        return ApiParameters(params=result)
+        resp = self.client.api.get(uri)
+        try:
+            response = resp.json()
+        except ValueError as ex:
+            raise F5ModuleError(str(ex))
+
+        if 'code' in response and response['code'] == 400:
+            if 'message' in response:
+                raise F5ModuleError(response['message'])
+            else:
+                raise F5ModuleError(resp.content)
+        return ApiParameters(params=response)
 
     def create_on_device(self):
         params = self.changes.api_params()
-        wideips = self.client.api.tm.gtm.wideips
-        collection = getattr(wideips, self.collection)
-        resource = getattr(collection, self.want.type)
-        resource.create(
-            name=self.want.name,
-            partition=self.want.partition,
-            **params
+        params['name'] = self.want.name
+        params['partition'] = self.want.partition
+        uri = "https://{0}:{1}/mgmt/tm/gtm/wideip/{2}/".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+            self.want.type
         )
+        resp = self.client.api.post(uri, json=params)
+        try:
+            response = resp.json()
+        except ValueError as ex:
+            raise F5ModuleError(str(ex))
+
+        if 'code' in response and response['code'] in [400, 403]:
+            if 'message' in response:
+                raise F5ModuleError(response['message'])
+            else:
+                raise F5ModuleError(resp.content)
+        return response['selfLink']
 
     def remove_from_device(self):
-        wideips = self.client.api.tm.gtm.wideips
-        collection = getattr(wideips, self.collection)
-        resource = getattr(collection, self.want.type)
-        result = resource.load(
-            name=self.want.name,
-            partition=self.want.partition
+        uri = "https://{0}:{1}/mgmt/tm/gtm/wideip/{2}/{3}".format(
+            self.client.provider['server'],
+            self.client.provider['server_port'],
+            self.want.type,
+            transform_name(self.want.partition, self.want.name)
         )
-        if result:
-            result.delete()
+        response = self.client.api.delete(uri)
+        if response.status == 200:
+            return True
+        raise F5ModuleError(response.content)
 
 
 class ArgumentSpec(object):
@@ -800,7 +918,8 @@ class ArgumentSpec(object):
             ),
             aliases=dict(
                 type='list'
-            )
+            ),
+            last_resort_pool=dict(),
         )
         self.argument_spec = {}
         self.argument_spec.update(f5_argument_spec)
@@ -812,20 +931,19 @@ def main():
 
     module = AnsibleModule(
         argument_spec=spec.argument_spec,
-        supports_check_mode=spec.supports_check_mode
+        supports_check_mode=spec.supports_check_mode,
     )
-    if not HAS_F5SDK:
-        module.fail_json(msg="The python f5-sdk module is required")
+
+    client = F5RestClient(**module.params)
 
     try:
-        client = F5Client(**module.params)
         mm = ModuleManager(module=module, client=client)
         results = mm.exec_module()
         cleanup_tokens(client)
-        module.exit_json(**results)
-    except F5ModuleError as e:
+        exit_json(module, results, client)
+    except F5ModuleError as ex:
         cleanup_tokens(client)
-        module.fail_json(msg=str(e))
+        fail_json(module, ex, client)
 
 
 if __name__ == '__main__':
diff --git a/test/units/modules/network/f5/test_bigip_gtm_wide_ip.py b/test/units/modules/network/f5/test_bigip_gtm_wide_ip.py
index b8da9ab6b67..17255c8b84a 100644
--- a/test/units/modules/network/f5/test_bigip_gtm_wide_ip.py
+++ b/test/units/modules/network/f5/test_bigip_gtm_wide_ip.py
@@ -15,9 +15,6 @@ from nose.plugins.skip import SkipTest
 if sys.version_info < (2, 7):
     raise SkipTest("F5 Ansible modules require Python >= 2.7")
 
-from units.compat import unittest
-from units.compat.mock import Mock
-from units.compat.mock import patch
 from ansible.module_utils.basic import AnsibleModule
 
 try:
@@ -27,9 +24,15 @@ try:
     from library.modules.bigip_gtm_wide_ip import ArgumentSpec
     from library.modules.bigip_gtm_wide_ip import UntypedManager
     from library.modules.bigip_gtm_wide_ip import TypedManager
+
     from library.module_utils.network.f5.common import F5ModuleError
-    from library.module_utils.network.f5.common import iControlUnexpectedHTTPError
-    from test.unit.modules.utils import set_module_args
+
+    # In Ansible 2.8, Ansible changed import paths.
+    from test.units.compat import unittest
+    from test.units.compat.mock import Mock
+    from test.units.compat.mock import patch
+
+    from test.units.modules.utils import set_module_args
 except ImportError:
     try:
         from ansible.modules.network.f5.bigip_gtm_wide_ip import ApiParameters
@@ -38,8 +41,14 @@ except ImportError:
         from ansible.modules.network.f5.bigip_gtm_wide_ip import ArgumentSpec
         from ansible.modules.network.f5.bigip_gtm_wide_ip import UntypedManager
         from ansible.modules.network.f5.bigip_gtm_wide_ip import TypedManager
+
         from ansible.module_utils.network.f5.common import F5ModuleError
-        from ansible.module_utils.network.f5.common import iControlUnexpectedHTTPError
+
+        # Ansible 2.8 imports
+        from units.compat import unittest
+        from units.compat.mock import Mock
+        from units.compat.mock import patch
+
         from units.modules.utils import set_module_args
     except ImportError:
         raise SkipTest("F5 Ansible modules require the f5-sdk Python library")
@@ -121,6 +130,17 @@ class TestUntypedManager(unittest.TestCase):
 
     def setUp(self):
         self.spec = ArgumentSpec()
+        try:
+            self.p1 = patch('library.modules.bigip_gtm_wide_ip.module_provisioned')
+            self.m1 = self.p1.start()
+            self.m1.return_value = True
+        except Exception:
+            self.p1 = patch('ansible.modules.network.f5.bigip_gtm_wide_ip.module_provisioned')
+            self.m1 = self.p1.start()
+            self.m1.return_value = True
+
+    def tearDown(self):
+        self.p1.stop()
 
     def test_create_wideip(self, *args):
         set_module_args(dict(
@@ -158,6 +178,17 @@ class TestTypedManager(unittest.TestCase):
 
     def setUp(self):
         self.spec = ArgumentSpec()
+        try:
+            self.p1 = patch('library.modules.bigip_gtm_wide_ip.module_provisioned')
+            self.m1 = self.p1.start()
+            self.m1.return_value = True
+        except Exception:
+            self.p1 = patch('ansible.modules.network.f5.bigip_gtm_wide_ip.module_provisioned')
+            self.m1 = self.p1.start()
+            self.m1.return_value = True
+
+    def tearDown(self):
+        self.p1.stop()
 
     def test_create_wideip(self, *args):
         set_module_args(dict(