diff --git a/tests/charms/layers/broken/actions.yaml b/tests/charms/layers/broken/actions.yaml
index 6cd6f8c..d224b5d 100644
--- a/tests/charms/layers/broken/actions.yaml
+++ b/tests/charms/layers/broken/actions.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 touch:
     description: "Touch a file on the VNF."
     params:
diff --git a/tests/charms/layers/broken/config.yaml b/tests/charms/layers/broken/config.yaml
index 51f2ce4..8bde313 100644
--- a/tests/charms/layers/broken/config.yaml
+++ b/tests/charms/layers/broken/config.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 options:
   string-option:
     type: string
diff --git a/tests/charms/layers/broken/layer.yaml b/tests/charms/layers/broken/layer.yaml
index 3fed5e2..2ee67bf 100644
--- a/tests/charms/layers/broken/layer.yaml
+++ b/tests/charms/layers/broken/layer.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 includes: ['layer:basic', 'layer:vnfproxy']
 options:
         basic:
diff --git a/tests/charms/layers/broken/metadata.yaml b/tests/charms/layers/broken/metadata.yaml
index 1780d3f..ed41942 100644
--- a/tests/charms/layers/broken/metadata.yaml
+++ b/tests/charms/layers/broken/metadata.yaml
@@ -1,3 +1,17 @@
+#  Copyright 2019 Canonical Ltd.
+
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+
+#      http://www.apache.org/licenses/LICENSE-2.0
+
+#      Unless required by applicable law or agreed to in writing, software
+#      distributed under the License is distributed on an "AS IS" BASIS,
+#      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#      See the License for the specific language governing permissions and
+#      limitations under the License.
+
 name: broken
 summary: A (broken) simple VNF proxy charm
 maintainer: Adam Israel <adam.israel@canonical.com>
diff --git a/tests/charms/layers/broken/metrics.yaml b/tests/charms/layers/broken/metrics.yaml
index 6ebb605..e610b99 100644
--- a/tests/charms/layers/broken/metrics.yaml
+++ b/tests/charms/layers/broken/metrics.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 metrics:
   uptime:
     type: gauge
diff --git a/tests/charms/layers/broken/reactive/simple.py b/tests/charms/layers/broken/reactive/simple.py
index 1529eee..3a018fb 100644
--- a/tests/charms/layers/broken/reactive/simple.py
+++ b/tests/charms/layers/broken/reactive/simple.py
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 from charmhelpers.core.hookenv import (
     action_get,
     action_fail,
diff --git a/tests/charms/layers/metrics-ci/config.yaml b/tests/charms/layers/metrics-ci/config.yaml
index 51f2ce4..8bde313 100755
--- a/tests/charms/layers/metrics-ci/config.yaml
+++ b/tests/charms/layers/metrics-ci/config.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 options:
   string-option:
     type: string
diff --git a/tests/charms/layers/metrics-ci/layer.yaml b/tests/charms/layers/metrics-ci/layer.yaml
index bd3a2b9..0726ddf 100755
--- a/tests/charms/layers/metrics-ci/layer.yaml
+++ b/tests/charms/layers/metrics-ci/layer.yaml
@@ -1 +1,15 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 includes: ['layer:basic', 'layer:metrics']  # if you use any interfaces, add them here
diff --git a/tests/charms/layers/metrics-ci/metadata.yaml b/tests/charms/layers/metrics-ci/metadata.yaml
index 060274d..8c7e081 100755
--- a/tests/charms/layers/metrics-ci/metadata.yaml
+++ b/tests/charms/layers/metrics-ci/metadata.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 name: metrics-ci
 summary: <Fill in summary here>
 maintainer: Adam Israel <Adam.Israel@ronin>
diff --git a/tests/charms/layers/metrics-ci/metrics.yaml b/tests/charms/layers/metrics-ci/metrics.yaml
index dae092f..2326f6c 100755
--- a/tests/charms/layers/metrics-ci/metrics.yaml
+++ b/tests/charms/layers/metrics-ci/metrics.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 metrics:
   users:
     type: gauge
diff --git a/tests/charms/layers/metrics-ci/reactive/metrics_ci.py b/tests/charms/layers/metrics-ci/reactive/metrics_ci.py
index 9217be4..4c4756a 100755
--- a/tests/charms/layers/metrics-ci/reactive/metrics_ci.py
+++ b/tests/charms/layers/metrics-ci/reactive/metrics_ci.py
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 from charmhelpers.core.hookenv import (
     status_set,
 )
diff --git a/tests/charms/layers/metrics-proxy-ci/config.yaml b/tests/charms/layers/metrics-proxy-ci/config.yaml
index 51f2ce4..8bde313 100644
--- a/tests/charms/layers/metrics-proxy-ci/config.yaml
+++ b/tests/charms/layers/metrics-proxy-ci/config.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 options:
   string-option:
     type: string
diff --git a/tests/charms/layers/metrics-proxy-ci/layer.yaml b/tests/charms/layers/metrics-proxy-ci/layer.yaml
index 790dee6..186f1db 100644
--- a/tests/charms/layers/metrics-proxy-ci/layer.yaml
+++ b/tests/charms/layers/metrics-proxy-ci/layer.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 includes:
     - 'layer:basic'
     - 'layer:vnfproxy'
diff --git a/tests/charms/layers/metrics-proxy-ci/metadata.yaml b/tests/charms/layers/metrics-proxy-ci/metadata.yaml
index ae42434..78bf753 100644
--- a/tests/charms/layers/metrics-proxy-ci/metadata.yaml
+++ b/tests/charms/layers/metrics-proxy-ci/metadata.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 name: metrics-proxy-ci
 summary: <Fill in summary here>
 maintainer: Adam Israel <Adam.Israel@ronin>
diff --git a/tests/charms/layers/metrics-proxy-ci/metrics.yaml b/tests/charms/layers/metrics-proxy-ci/metrics.yaml
index dae092f..2326f6c 100644
--- a/tests/charms/layers/metrics-proxy-ci/metrics.yaml
+++ b/tests/charms/layers/metrics-proxy-ci/metrics.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 metrics:
   users:
     type: gauge
diff --git a/tests/charms/layers/metrics-proxy-ci/reactive/metrics_ci.py b/tests/charms/layers/metrics-proxy-ci/reactive/metrics_ci.py
index 51ce49e..ea5c544 100644
--- a/tests/charms/layers/metrics-proxy-ci/reactive/metrics_ci.py
+++ b/tests/charms/layers/metrics-proxy-ci/reactive/metrics_ci.py
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 from charmhelpers.core.hookenv import (
     status_set,
 )
diff --git a/tests/charms/layers/native-ci/actions.yaml b/tests/charms/layers/native-ci/actions.yaml
index 6adcba7..46c6cb7 100644
--- a/tests/charms/layers/native-ci/actions.yaml
+++ b/tests/charms/layers/native-ci/actions.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 test:
     description: "Verify that the action can run."
 testint:
diff --git a/tests/charms/layers/native-ci/layer.yaml b/tests/charms/layers/native-ci/layer.yaml
index 138d9d3..4dd82f9 100644
--- a/tests/charms/layers/native-ci/layer.yaml
+++ b/tests/charms/layers/native-ci/layer.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 includes:
     - 'layer:basic'
     - 'interface:mysql'
diff --git a/tests/charms/layers/native-ci/metadata.yaml b/tests/charms/layers/native-ci/metadata.yaml
index ba6ffe9..1c72d9e 100644
--- a/tests/charms/layers/native-ci/metadata.yaml
+++ b/tests/charms/layers/native-ci/metadata.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 name: native-ci
 summary: A native VNF charm
 description: A native VNF charm
diff --git a/tests/charms/layers/native-ci/reactive/native-ci.py b/tests/charms/layers/native-ci/reactive/native-ci.py
index a339ef0..72365c0 100644
--- a/tests/charms/layers/native-ci/reactive/native-ci.py
+++ b/tests/charms/layers/native-ci/reactive/native-ci.py
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 from charmhelpers.core.hookenv import (
     action_fail,
     action_set,
diff --git a/tests/charms/layers/proxy-ci/actions.yaml b/tests/charms/layers/proxy-ci/actions.yaml
index 5af8591..304b520 100644
--- a/tests/charms/layers/proxy-ci/actions.yaml
+++ b/tests/charms/layers/proxy-ci/actions.yaml
@@ -1,2 +1,16 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 test:
     description: "Verify that the action can run."
diff --git a/tests/charms/layers/proxy-ci/layer.yaml b/tests/charms/layers/proxy-ci/layer.yaml
index 790dee6..186f1db 100644
--- a/tests/charms/layers/proxy-ci/layer.yaml
+++ b/tests/charms/layers/proxy-ci/layer.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 includes:
     - 'layer:basic'
     - 'layer:vnfproxy'
diff --git a/tests/charms/layers/proxy-ci/metadata.yaml b/tests/charms/layers/proxy-ci/metadata.yaml
index bb00a03..37120e3 100644
--- a/tests/charms/layers/proxy-ci/metadata.yaml
+++ b/tests/charms/layers/proxy-ci/metadata.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 name: proxy-ci
 summary: <Fill in summary here>
 maintainer: Adam Israel <Adam.Israel@ronin>
diff --git a/tests/charms/layers/proxy-ci/reactive/proxy_ci.py b/tests/charms/layers/proxy-ci/reactive/proxy_ci.py
index 9c0136e..cf2ed99 100644
--- a/tests/charms/layers/proxy-ci/reactive/proxy_ci.py
+++ b/tests/charms/layers/proxy-ci/reactive/proxy_ci.py
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 from charmhelpers.core.hookenv import (
     action_fail,
     action_set,
diff --git a/tests/charms/layers/simple/actions.yaml b/tests/charms/layers/simple/actions.yaml
index 6cd6f8c..d224b5d 100644
--- a/tests/charms/layers/simple/actions.yaml
+++ b/tests/charms/layers/simple/actions.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 touch:
     description: "Touch a file on the VNF."
     params:
diff --git a/tests/charms/layers/simple/config.yaml b/tests/charms/layers/simple/config.yaml
index 51f2ce4..8bde313 100644
--- a/tests/charms/layers/simple/config.yaml
+++ b/tests/charms/layers/simple/config.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 options:
   string-option:
     type: string
diff --git a/tests/charms/layers/simple/layer.yaml b/tests/charms/layers/simple/layer.yaml
index 3fed5e2..2ee67bf 100644
--- a/tests/charms/layers/simple/layer.yaml
+++ b/tests/charms/layers/simple/layer.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 includes: ['layer:basic', 'layer:vnfproxy']
 options:
         basic:
diff --git a/tests/charms/layers/simple/metadata.yaml b/tests/charms/layers/simple/metadata.yaml
index fd80d1a..1cb3de9 100644
--- a/tests/charms/layers/simple/metadata.yaml
+++ b/tests/charms/layers/simple/metadata.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 name: simple
 summary: A simple VNF proxy charm
 maintainer: Adam Israel <adam.israel@canonical.com>
diff --git a/tests/charms/layers/simple/metrics.yaml b/tests/charms/layers/simple/metrics.yaml
index 6ebb605..e610b99 100644
--- a/tests/charms/layers/simple/metrics.yaml
+++ b/tests/charms/layers/simple/metrics.yaml
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 metrics:
   uptime:
     type: gauge
diff --git a/tests/charms/layers/simple/reactive/simple.py b/tests/charms/layers/simple/reactive/simple.py
index af6644b..6e1300e 100644
--- a/tests/charms/layers/simple/reactive/simple.py
+++ b/tests/charms/layers/simple/reactive/simple.py
@@ -1,3 +1,17 @@
+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+
 from charmhelpers.core.hookenv import (
     action_get,
     action_fail,