check license headers script added

Signed-off-by: Michael Valdron <[email protected]>

check_licenses.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+#
+#
+# Copyright Red Hat
+#
+# 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 checks if license headers that are missing/invalid from go files
+
+if ! command -v addlicense 2> /dev/null
+then
+    echo "error addlicense must be installed with this command: go install github.com/google/addlicense@latest" && exit 1
+else
+    files=($(addlicense -check -v -f license_header.txt $(find . -not -path '*/\.*' -not -path '*/vendor/*' -not -name 'zz_generated.*.go' -name '*.go')))
+    if [[ $? != 0 ]] && [[ ${#files[@]} -eq 0 ]]
+    then
+        echo "addheader check failed to run "
+        exit 1
+    elif [[ ${#files[@]} -gt 0 ]]
+    then
+        echo "The following files do not have valid license headers:"
+        for file in ${files[@]}
+        do
+            echo ${file}
+        done
+        exit 1
+    else
+        echo "license headers are valid"
+    fi
+fi