added license check to CI

.github/workflows/README.md

@@ -13,6 +13,19 @@
     # install kubectl
     sudo apt-get install kubectl
 
+    # install go
+    curl -O https://storage.googleapis.com/golang/go1.12.9.linux-amd64.tar.gz
+    tar -xvf go1.12.9.linux-amd64.tar.gz
+    sudo chown -R root:root ./go
+    sudo mv go /usr/local
+    echo 'export GOPATH=$HOME/go' >> ~/.profile
+    echo 'export PATH=$PATH:/usr/local/go/bin:$GOPATH/bin' >> ~/.profile
+    source ~/.profile
+
+    # install addlicense
+    go get -u github.com/google/addlicense
+    sudo ln -s $HOME/go/bin/addlicense /bin
+
     # install kind
     curl -Lo ./kind "https://github.com/kubernetes-sigs/kind/releases/download/v0.7.0/kind-$(uname)-amd64" && \
     chmod +x ./kind && \

.github/workflows/ci.yml

@@ -1,3 +1,17 @@
+# Copyright 2020 Google LLC
+#
+# 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: "Continuous Integration"
 on:
   push:
@@ -14,6 +28,17 @@ jobs:
     runs-on: self-hosted
     steps:
     - uses: actions/checkout@v2
+    - name: License Check
+      run: |
+        set -x
+        git init
+        git add --all
+        git -c user.name="CI Bot" -c user.email="<>" commit -m "initial state"
+        addlicense ./
+        if [[ -n $(git status -s) ]]; then
+          exit 1
+        fi
+    - uses: actions/checkout@v2
     - name: Setup Cluster
       run: |
         set -x