test: add license header check + missing headers

backend/alloc/alloc.go

@@ -1,3 +1,17 @@
+// Copyright 2015 flannel authors
+//
+// 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.
+
 package alloc
 
 import (

backend/awsvpc/filter.go

@@ -1,3 +1,17 @@
+// Copyright 2015 flannel authors
+//
+// 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.
+
 package awsvpc
 
 import "github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/service/ec2"

backend/gce/api.go

@@ -1,3 +1,17 @@
+// Copyright 2015 flannel authors
+//
+// 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.
+
 package gce
 
 import (

backend/manager.go

@@ -1,3 +1,17 @@
+// Copyright 2015 flannel authors
+//
+// 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.
+
 package backend
 
 import (

test

@@ -47,4 +47,13 @@ if [ -n "${fmtRes}" ]; then
 	exit 255
 fi
 
+echo "Checking for license header..."
+licRes=$(for file in $(find . -type f -iname '*.go' ! -path './Godeps/*'); do
+		head -n3 "${file}" | grep -Eq "(Copyright|generated|GENERATED)" || echo -e "  ${file}"
+	done;)
+if [ -n "${licRes}" ]; then
+	echo -e "license header checking failed:\n${licRes}"
+	exit 255
+fi
+
 echo "Success"