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

Makefile

@@ -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

@@ -1,3 +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
 #
 # This script builds the application from source for multiple platforms.

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

@@ -1,3 +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.
+*/
+
 // +build tools
 
 /*

buildscripts/zfs-driver/entrypoint.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/sh
 
 set -ex

cmd/main.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 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 +1,17 @@
+
+# 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
 
 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.