Add license-check for .go , .sh , Dockerfile and Makefile

.travis.yml

@@ -32,6 +32,7 @@ install:
     fi
   - make bootstrap
   - make format
+  - make license-check
   - make golint
   - curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/v1.17.4/bin/linux/amd64/kubectl
     && chmod +x kubectl && sudo mv kubectl /usr/local/bin/

Makefile

@@ -93,7 +93,7 @@ export DBUILD_ARGS=--build-arg DBUILD_DATE=${DBUILD_DATE} --build-arg DBUILD_REP
 CSI_DRIVER=zfs-driver
 
 .PHONY: all
-all: test manifests zfs-driver-image
+all: license-check test manifests zfs-driver-image
 
 .PHONY: clean
 clean:
@@ -246,3 +246,16 @@ golint:
 	@echo "Completed golint no recommendations !!"
 	@echo "--------------------------------"
 	@echo ""
+
+.PHONY: license-check
+license-check:
+	@echo "--> Checking license header..."
+	@licRes=$$(for file in $$(find . -type f -regex '.*\.sh\|.*\.go\|.*Docker.*\|.*\Makefile*' ! -path './vendor/*' ) ; do \
+               awk 'NR<=5' $$file | grep -Eq "(Copyright|generated|GENERATED)" || echo $$file; \
+       done); \
+       if [ -n "$${licRes}" ]; then \
+               echo "license header checking failed:"; echo "$${licRes}"; \
+               exit 1; \
+       fi
+	@echo "--> Done checking license."
+	@echo

buildscripts/build.sh

@@ -1,5 +1,18 @@
 #!/usr/bin/env bash
+
+# Copyright © 2020 The OpenEBS 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.
+
 # This script builds the application from source for multiple platforms.
 set -e
 

buildscripts/test-cov.sh

@@ -1,3 +1,17 @@
+# Copyright © 2020 The OpenEBS 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.
+
 #!/usr/bin/env bash
 
 set -e

buildscripts/tools.go

@@ -1,6 +1,7 @@
 // +build tools
 
 /*
+Copyright 2019 The Kubernetes Authors.
 copyright 2020 the kubernetes authors.
 
 licensed under the apache license, version 2.0 (the "license");
@@ -16,7 +17,7 @@ see the license for the specific language governing permissions and
 limitations under the license.
 */
 
-// this package imports things required by build scripts, to force `go mod` to see them as dependencies
+// tools package imports things required by build scripts, to force `go mod` to see them as dependencies
 package tools
 
 import _ "k8s.io/code-generator"

buildscripts/zfs-driver/entrypoint.sh

@@ -1,3 +1,16 @@
+# Copyright © 2020 The OpenEBS 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.
+
 #!/bin/sh
 
 set -ex

cmd/main.go

@@ -1,3 +1,19 @@
+/*
+Copyright © 2020 The OpenEBS 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 main
 
 import (

pkg/zfs/mount.go

@@ -1,3 +1,18 @@
+/*
+Copyright © 2020 The OpenEBS 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 zfs
 
 import (

upgrade/cleanup.sh

@@ -1,3 +1,16 @@
+# Copyright © 2020 The OpenEBS 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.
 #!/bin/bash
 
 set -e

upgrade/upgrade.sh

@@ -1,3 +1,17 @@
+# Copyright © 2020 The OpenEBS 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.
+
 #!/bin/bash
 
 # do not provision/deprovision anything while running the upgrade script.