diff --git a/hooks/charmhelpers/contrib/openstack/utils.py b/hooks/charmhelpers/contrib/openstack/utils.py
index e59e0d1e..fbf01561 100644
--- a/hooks/charmhelpers/contrib/openstack/utils.py
+++ b/hooks/charmhelpers/contrib/openstack/utils.py
@@ -225,7 +225,7 @@ SWIFT_CODENAMES = OrderedDict([
     ('train',
         ['2.22.0', '2.23.0']),
     ('ussuri',
-        ['2.24.0']),
+        ['2.24.0', '2.25.0']),
 ])
 
 # >= Liberty version->codename mapping
diff --git a/hooks/charmhelpers/contrib/storage/linux/ceph.py b/hooks/charmhelpers/contrib/storage/linux/ceph.py
index 95a0d82a..814d5c72 100644
--- a/hooks/charmhelpers/contrib/storage/linux/ceph.py
+++ b/hooks/charmhelpers/contrib/storage/linux/ceph.py
@@ -432,13 +432,13 @@ class ReplicatedPool(Pool):
                                           pool=self.name,
                                           name=self.app_name)
                 except CalledProcessError:
-                    log('Could not set app name for pool {}'.format(self.name, level=WARNING))
+                    log('Could not set app name for pool {}'.format(self.name), level=WARNING)
                 if 'pg_autoscaler' in enabled_manager_modules():
                     try:
                         enable_pg_autoscale(self.service, self.name)
                     except CalledProcessError as e:
                         log('Could not configure auto scaling for pool {}: {}'.format(
-                            self.name, e, level=WARNING))
+                            self.name, e), level=WARNING)
             except CalledProcessError:
                 raise
 
@@ -504,7 +504,7 @@ class ErasurePool(Pool):
                                           pool=self.name,
                                           name=self.app_name)
                 except CalledProcessError:
-                    log('Could not set app name for pool {}'.format(self.name, level=WARNING))
+                    log('Could not set app name for pool {}'.format(self.name), level=WARNING)
                 if nautilus_or_later:
                     # Ensure we set the expected pool ratio
                     update_pool(client=self.service,
@@ -515,7 +515,7 @@ class ErasurePool(Pool):
                         enable_pg_autoscale(self.service, self.name)
                     except CalledProcessError as e:
                         log('Could not configure auto scaling for pool {}: {}'.format(
-                            self.name, e, level=WARNING))
+                            self.name, e), level=WARNING)
             except CalledProcessError:
                 raise
 
diff --git a/hooks/charmhelpers/fetch/snap.py b/hooks/charmhelpers/fetch/snap.py
index 395836c7..fc70aa94 100644
--- a/hooks/charmhelpers/fetch/snap.py
+++ b/hooks/charmhelpers/fetch/snap.py
@@ -69,7 +69,7 @@ def _snap_exec(commands):
                     .format(SNAP_NO_LOCK_RETRY_COUNT))
             return_code = e.returncode
             log('Snap failed to acquire lock, trying again in {} seconds.'
-                .format(SNAP_NO_LOCK_RETRY_DELAY, level='WARN'))
+                .format(SNAP_NO_LOCK_RETRY_DELAY), level='WARN')
             sleep(SNAP_NO_LOCK_RETRY_DELAY)
 
     return return_code
diff --git a/metadata.yaml b/metadata.yaml
index 62f824c2..254ee4e6 100644
--- a/metadata.yaml
+++ b/metadata.yaml
@@ -2,19 +2,20 @@ name: ceph-mon
 summary: Highly scalable distributed storage
 maintainer: OpenStack Charmers <openstack-charmers@lists.ubuntu.com>
 description: |
- Ceph is a distributed storage and network file system designed to provide
- excellent performance, reliability, and scalability.
+  Ceph is a distributed storage and network file system designed to provide
+  excellent performance, reliability, and scalability.
 tags:
-  - openstack
-  - storage
-  - file-servers
-  - misc
+- openstack
+- storage
+- file-servers
+- misc
 series:
-  - xenial
-  - bionic
-  - eoan
-  - focal
-  - trusty
+- xenial
+- bionic
+- eoan
+- focal
+- trusty
+- groovy
 peers:
   mon:
     interface: ceph
@@ -37,9 +38,6 @@ provides:
     interface: ceph-radosgw
   rbd-mirror:
     interface: ceph-rbd-mirror
-  nrpe-external-master:
-    interface: nrpe-external-master
-    scope: container
   prometheus:
     interface: http
 requires: