Update the copyright statements to match CNCF recs

This updates the copyright statements to match the CNCF
recommendation, as per
https://github.com/cncf/foundation/blob/master/copyright-notices.md

We also add SPDX headers, and add enforcement (which is expected to
fail currently).

The change in copyright statement is only made to Red Hat statements.
Change automated with (split over multiple lines for the commit
message):

find . -name \*.go -exec sed -i -E \
's/© .... Red Hat, Inc. and others.?/
SPDX-License-Identifier: Apache-2.0\n\n
Copyright Contributors to the Submariner project./' {} +

Fixes: #1322
Signed-off-by: Stephen Kitt <skitt@redhat.com>

.github/workflows/linting.yml

@@ -43,6 +43,9 @@ jobs:
       - name: Check out the repository
         uses: actions/checkout@v2
 
+      - name: Delete generated files
+        run: rm -rf pkg/client pkg/apis/submariner.io/v1/zz_generated.deepcopy.go pkg/natdiscovery/proto/natdiscovery.pb.go
+
       - name: Check License Headers
         uses: nilp0inter/search-legal-headers@v0.1.0
 

.legal.json

@@ -1,4 +1,5 @@
 {
-  "**/*.go": "Licensed under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License.\nYou may obtain a copy of the License at\n\n    http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software\ndistributed under the License is distributed on an \"AS IS\" BASIS,\nWITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\nSee the License for the specific language governing permissions and\nlimitations under the License.\n",
-  "LICENSE": "Apache License"
+    "**/*.go": "SPDX-License-Identifier: Apache-2.0\n\nCopyright Contributors to the Submariner project.\n\nLicensed under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License.\nYou may obtain a copy of the License at\n\n    http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software\ndistributed under the License is distributed on an \"AS IS\" BASIS,\nWITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\nSee the License for the specific language governing permissions and\nlimitations under the License.\n",
+    "**/*.proto": "SPDX-License-Identifier: Apache-2.0\n\nCopyright Contributors to the Submariner project.\n\nLicensed under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License.\nYou may obtain a copy of the License at\n\n    http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software\ndistributed under the License is distributed on an \"AS IS\" BASIS,\nWITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\nSee the License for the specific language governing permissions and\nlimitations under the License.\n",
+    "LICENSE": "Apache License"
 }

main.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/apis/submariner.io/v1/doc.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/apis/submariner.io/v1/endpoint.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/apis/submariner.io/v1/register.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/apis/submariner.io/v1/string.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/apis/submariner.io/v1/string_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/apis/submariner.io/v1/types.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/cleanup/default_cleanup.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/cleanup/route_cleanup_handler.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/cleanup/xfrm_cleanup_handler.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/driver.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/fake/driver.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/libreswan/libreswan.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/libreswan/libreswan_suite_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/libreswan/libreswan_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/libreswan/preferred_server.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/metrics.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others.
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/wireguard/driver.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cable/wireguard/getconnections.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/cableengine.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/cableengine_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/fake/cableengine.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/healthchecker/fake/pinger.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/healthchecker/healthchecker.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/healthchecker/healthchecker_suite_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/healthchecker/healthchecker_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/healthchecker/pinger.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/healthchecker/pinger_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/healthchecker/statistics.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/healthchecker/statistics_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/syncer/syncer.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cableengine/syncer/syncer_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/cidr/iputil.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/client/clientset/versioned/typed/submariner.io/v1/fake/failing_cluster.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/client/clientset/versioned/typed/submariner.io/v1/fake/failing_endpoint.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/client/clientset/versioned/typed/submariner.io/v1/fake/failing_gateways.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/controllers/datastoresyncer/datastore_0.8.0_upgrade_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/controllers/datastoresyncer/datastore_cluster_sync_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/controllers/datastoresyncer/datastore_endpoint_sync_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/controllers/datastoresyncer/datastoresyncer.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/controllers/datastoresyncer/datastoresyncer_suite_test.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

pkg/controllers/datastoresyncer/node_handler.go

@@ -1,5 +1,7 @@
 /*
-© 2021 Red Hat, Inc. and others
+SPDX-License-Identifier: Apache-2.0
+
+Copyright Contributors to the Submariner project.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.