diff --git a/charmhelpers/contrib/openstack/amulet/utils.py b/charmhelpers/contrib/openstack/amulet/utils.py
index b71b2b19..87f364d1 100644
--- a/charmhelpers/contrib/openstack/amulet/utils.py
+++ b/charmhelpers/contrib/openstack/amulet/utils.py
@@ -858,9 +858,12 @@ class OpenStackAmuletUtils(AmuletUtils):
         :returns: List of pool name, object count, kb disk space used
         """
         df = self.get_ceph_df(sentry_unit)
-        pool_name = df['pools'][pool_id]['name']
-        obj_count = df['pools'][pool_id]['stats']['objects']
-        kb_used = df['pools'][pool_id]['stats']['kb_used']
+        for pool in df['pools']:
+            if pool['id'] == pool_id:
+                pool_name = pool['name']
+                obj_count = pool['stats']['objects']
+                kb_used = pool['stats']['kb_used']
+
         self.log.debug('Ceph {} pool (ID {}): {} objects, '
                        '{} kb used'.format(pool_name, pool_id,
                                            obj_count, kb_used))
diff --git a/charmhelpers/contrib/openstack/context.py b/charmhelpers/contrib/openstack/context.py
index e6c0e9fe..70850c1b 100644
--- a/charmhelpers/contrib/openstack/context.py
+++ b/charmhelpers/contrib/openstack/context.py
@@ -101,6 +101,8 @@ from charmhelpers.contrib.openstack.utils import (
     git_determine_python_path,
     enable_memcache,
     snap_install_requested,
+    CompareOpenStackReleases,
+    os_release,
 )
 from charmhelpers.core.unitdata import kv
 
@@ -1566,8 +1568,18 @@ class InternalEndpointContext(OSContextGenerator):
     endpoints by default so this allows admins to optionally use internal
     endpoints.
     """
+    def __init__(self, ost_rel_check_pkg_name):
+        self.ost_rel_check_pkg_name = ost_rel_check_pkg_name
+
     def __call__(self):
-        return {'use_internal_endpoints': config('use-internal-endpoints')}
+        ctxt = {'use_internal_endpoints': config('use-internal-endpoints')}
+        rel = os_release(self.ost_rel_check_pkg_name, base='icehouse')
+        if CompareOpenStackReleases(rel) >= 'pike':
+            ctxt['volume_api_version'] = '3'
+        else:
+            ctxt['volume_api_version'] = '2'
+
+        return ctxt
 
 
 class AppArmorContext(OSContextGenerator):
diff --git a/charmhelpers/contrib/openstack/templates/haproxy.cfg b/charmhelpers/contrib/openstack/templates/haproxy.cfg
index ebc8a68a..d36af2aa 100644
--- a/charmhelpers/contrib/openstack/templates/haproxy.cfg
+++ b/charmhelpers/contrib/openstack/templates/haproxy.cfg
@@ -17,22 +17,22 @@ defaults
 {%- if haproxy_queue_timeout %}
     timeout queue {{ haproxy_queue_timeout }}
 {%- else %}
-    timeout queue 5000
+    timeout queue 9000
 {%- endif %}
 {%- if haproxy_connect_timeout %}
     timeout connect {{ haproxy_connect_timeout }}
 {%- else %}
-    timeout connect 5000
+    timeout connect 9000
 {%- endif %}
 {%- if haproxy_client_timeout %}
     timeout client {{ haproxy_client_timeout }}
 {%- else %}
-    timeout client 30000
+    timeout client 90000
 {%- endif %}
 {%- if haproxy_server_timeout %}
     timeout server {{ haproxy_server_timeout }}
 {%- else %}
-    timeout server 30000
+    timeout server 90000
 {%- endif %}
 
 listen stats
diff --git a/charmhelpers/contrib/openstack/utils.py b/charmhelpers/contrib/openstack/utils.py
index 8a541d40..9e5af342 100644
--- a/charmhelpers/contrib/openstack/utils.py
+++ b/charmhelpers/contrib/openstack/utils.py
@@ -392,6 +392,8 @@ def get_swift_codename(version):
             releases = UBUNTU_OPENSTACK_RELEASE
             release = [k for k, v in six.iteritems(releases) if codename in v]
             ret = subprocess.check_output(['apt-cache', 'policy', 'swift'])
+            if six.PY3:
+                ret = ret.decode('UTF-8')
             if codename in ret or release[0] in ret:
                 return codename
     elif len(codenames) == 1:
diff --git a/charmhelpers/contrib/storage/linux/ceph.py b/charmhelpers/contrib/storage/linux/ceph.py
index 39231612..0d9bacfd 100644
--- a/charmhelpers/contrib/storage/linux/ceph.py
+++ b/charmhelpers/contrib/storage/linux/ceph.py
@@ -377,12 +377,12 @@ def get_mon_map(service):
         try:
             return json.loads(mon_status)
         except ValueError as v:
-            log("Unable to parse mon_status json: {}. Error: {}".format(
-                mon_status, v.message))
+            log("Unable to parse mon_status json: {}. Error: {}"
+                .format(mon_status, str(v)))
             raise
     except CalledProcessError as e:
-        log("mon_status command failed with message: {}".format(
-            e.message))
+        log("mon_status command failed with message: {}"
+            .format(str(e)))
         raise
 
 
diff --git a/charmhelpers/contrib/storage/linux/lvm.py b/charmhelpers/contrib/storage/linux/lvm.py
index 7f2a0604..79a7a245 100644
--- a/charmhelpers/contrib/storage/linux/lvm.py
+++ b/charmhelpers/contrib/storage/linux/lvm.py
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import functools
 from subprocess import (
     CalledProcessError,
     check_call,
@@ -101,3 +102,52 @@ def create_lvm_volume_group(volume_group, block_device):
     :block_device: str: Full path of PV-initialized block device.
     '''
     check_call(['vgcreate', volume_group, block_device])
+
+
+def list_logical_volumes(select_criteria=None, path_mode=False):
+    '''
+    List logical volumes
+
+    :param select_criteria: str: Limit list to those volumes matching this
+                                 criteria (see 'lvs -S help' for more details)
+    :param path_mode: bool: return logical volume name in 'vg/lv' format, this
+                            format is required for some commands like lvextend
+    :returns: [str]: List of logical volumes
+    '''
+    lv_diplay_attr = 'lv_name'
+    if path_mode:
+        # Parsing output logic relies on the column order
+        lv_diplay_attr = 'vg_name,' + lv_diplay_attr
+    cmd = ['lvs', '--options', lv_diplay_attr, '--noheadings']
+    if select_criteria:
+        cmd.extend(['--select', select_criteria])
+    lvs = []
+    for lv in check_output(cmd).decode('UTF-8').splitlines():
+        if not lv:
+            continue
+        if path_mode:
+            lvs.append('/'.join(lv.strip().split()))
+        else:
+            lvs.append(lv.strip())
+    return lvs
+
+
+list_thin_logical_volume_pools = functools.partial(
+    list_logical_volumes,
+    select_criteria='lv_attr =~ ^t')
+
+list_thin_logical_volumes = functools.partial(
+    list_logical_volumes,
+    select_criteria='lv_attr =~ ^V')
+
+
+def extend_logical_volume_by_device(lv_name, block_device):
+    '''
+    Extends the size of logical volume lv_name by the amount of free space on
+    physical volume block_device.
+
+    :param lv_name: str: name of logical volume to be extended (vg/lv format)
+    :param block_device: str: name of block_device to be allocated to lv_name
+    '''
+    cmd = ['lvextend', lv_name, block_device]
+    check_call(cmd)
diff --git a/charmhelpers/core/host.py b/charmhelpers/core/host.py
index 5cc5c86b..fd14d60f 100644
--- a/charmhelpers/core/host.py
+++ b/charmhelpers/core/host.py
@@ -549,6 +549,8 @@ def write_file(path, content, owner='root', group='root', perms=0o444):
         with open(path, 'wb') as target:
             os.fchown(target.fileno(), uid, gid)
             os.fchmod(target.fileno(), perms)
+            if six.PY3 and isinstance(content, six.string_types):
+                content = content.encode('UTF-8')
             target.write(content)
         return
     # the contents were the same, but we might still need to change the
diff --git a/charmhelpers/core/host_factory/ubuntu.py b/charmhelpers/core/host_factory/ubuntu.py
index d8dc378a..99451b59 100644
--- a/charmhelpers/core/host_factory/ubuntu.py
+++ b/charmhelpers/core/host_factory/ubuntu.py
@@ -20,6 +20,7 @@ UBUNTU_RELEASES = (
     'yakkety',
     'zesty',
     'artful',
+    'bionic',
 )
 
 
diff --git a/config.yaml b/config.yaml
index 0a60b659..140d2e9d 100644
--- a/config.yaml
+++ b/config.yaml
@@ -155,25 +155,25 @@ options:
     default:
     description: |
       Server timeout configuration in ms for haproxy, used in HA
-      configurations. If not provided, default value of 30000ms is used.
+      configurations. If not provided, default value of 90000ms is used.
   haproxy-client-timeout:
     type: int
     default:
     description: |
       Client timeout configuration in ms for haproxy, used in HA
-      configurations. If not provided, default value of 30000ms is used.
+      configurations. If not provided, default value of 90000ms is used.
   haproxy-queue-timeout:
     type: int
     default:
     description: |
       Queue timeout configuration in ms for haproxy, used in HA
-      configurations. If not provided, default value of 5000ms is used.
+      configurations. If not provided, default value of 9000ms is used.
   haproxy-connect-timeout:
     type: int
     default:
     description: |
       Connect timeout configuration in ms for haproxy, used in HA
-      configurations. If not provided, default value of 5000ms is used.
+      configurations. If not provided, default value of 9000ms is used.
   database:
     type: string
     default: "keystone"
diff --git a/tests/charmhelpers/contrib/openstack/amulet/utils.py b/tests/charmhelpers/contrib/openstack/amulet/utils.py
index b71b2b19..87f364d1 100644
--- a/tests/charmhelpers/contrib/openstack/amulet/utils.py
+++ b/tests/charmhelpers/contrib/openstack/amulet/utils.py
@@ -858,9 +858,12 @@ class OpenStackAmuletUtils(AmuletUtils):
         :returns: List of pool name, object count, kb disk space used
         """
         df = self.get_ceph_df(sentry_unit)
-        pool_name = df['pools'][pool_id]['name']
-        obj_count = df['pools'][pool_id]['stats']['objects']
-        kb_used = df['pools'][pool_id]['stats']['kb_used']
+        for pool in df['pools']:
+            if pool['id'] == pool_id:
+                pool_name = pool['name']
+                obj_count = pool['stats']['objects']
+                kb_used = pool['stats']['kb_used']
+
         self.log.debug('Ceph {} pool (ID {}): {} objects, '
                        '{} kb used'.format(pool_name, pool_id,
                                            obj_count, kb_used))
diff --git a/tests/charmhelpers/core/host.py b/tests/charmhelpers/core/host.py
index 5cc5c86b..fd14d60f 100644
--- a/tests/charmhelpers/core/host.py
+++ b/tests/charmhelpers/core/host.py
@@ -549,6 +549,8 @@ def write_file(path, content, owner='root', group='root', perms=0o444):
         with open(path, 'wb') as target:
             os.fchown(target.fileno(), uid, gid)
             os.fchmod(target.fileno(), perms)
+            if six.PY3 and isinstance(content, six.string_types):
+                content = content.encode('UTF-8')
             target.write(content)
         return
     # the contents were the same, but we might still need to change the
diff --git a/tests/charmhelpers/core/host_factory/ubuntu.py b/tests/charmhelpers/core/host_factory/ubuntu.py
index d8dc378a..99451b59 100644
--- a/tests/charmhelpers/core/host_factory/ubuntu.py
+++ b/tests/charmhelpers/core/host_factory/ubuntu.py
@@ -20,6 +20,7 @@ UBUNTU_RELEASES = (
     'yakkety',
     'zesty',
     'artful',
+    'bionic',
 )