chore: update license headers to The OKDP Authors.

.build/.versions.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 ################ Version Compatibility Matrix ######################
 ##### SECTION USED TO GET COMPATIBLE VERSIONS ######################
 ##### DONT PUT python_version IN AN ARRAY - JAVA COMPATIBILITY #####

.build/python/src/okdp/extension/matrix/constants.py

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 PYTHON_VERSION = "python_version"
 SPARK_VERSION = "spark_version"
 JAVA_VERSION = "java_version"

.build/python/src/okdp/extension/matrix/utils/matrix_utils.py

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 from itertools import groupby
 import itertools
 from okdp.extension.matrix.constants import *

.build/python/src/okdp/extension/matrix/version_compatibility_matrix.py

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 import json
 import yaml
 import argparse

.build/python/tests/okdp/extension/matrix/conftest.py

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 import json
 import pytest
 from okdp.extension.matrix.version_compatibility_matrix import VersionCompatibilityMatrix  # type: ignore

.build/python/tests/okdp/extension/matrix/test_version_compatibility_matrix.py

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 from extension.matrix.conftest import MockedVersionCompatibilityMatrix, to_dict
 from okdp.extension.matrix.utils.matrix_utils import group_versions_by
 from okdp.extension.matrix.utils.matrix_utils import group_on

.build/python/tests/okdp/extension/tagging/conftest.py

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 from unittest.mock import MagicMock, patch
 import pytest
 

.build/python/tests/okdp/extension/tagging/test_tagging.py

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 from unittest.mock import patch
 
 from tagging.manifests.spark_info import spark_info_manifest

.devcontainer/Dockerfile

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 # Base image: Ubuntu 24.04 (multi-arch: x86_64 + arm64)
 FROM ubuntu:24.04
 

.github/actions/create-dev-env/action.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 # c.f. ./docker-stacks/.github/actions/create-dev-env
 # Copied to skip Set Up Docker when running on nektos/act.
 # Can be removed and use the original (./docker-stacks/.github/actions/create-dev-env) when the issue below resolved.

.github/actions/docker-tags-merge/action.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 name: 'Multi-arch Image Tagger'
 description: 'Applies tags and prepares amd64 and arm64 images for creating multi-arch manifests'
 inputs:

.github/actions/download-spark/action.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 name: Download Apache Spark Distribution
 description: |
   Downloads a specific version of Apache Spark for use in workflows.

.github/actions/free-disk-space/action.yml

@@ -1,5 +1,5 @@
 #
-# Copyright 2024 tosit.io
+# Copyright 2026 The OKDP Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.github/actions/install-okdp-extension/action.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 name: Install OKDP extension and patchs
 description: Install OKDP extension and patchs
 

.github/actions/patch-create-dev-env/action.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 name: Patch create a build environment
 description: Patch create a build environment ./docker-stacks/.github/actions/create-dev-env
 

.github/workflows/auto-rerun.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 # https://github.com/orgs/community/discussions/67654#discussioncomment-8038649
 name: Automatic partital rerun on workflow failure
 on:

.github/workflows/build-base-images-template.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 name: Jupyter base build images template
 
 on:

.github/workflows/build-datascience-images-template.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 name: Jupyter datascience build images template
 
 on:

.github/workflows/build-image-template.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 name: Jupyter build single arch image template
 
 on:

.github/workflows/build-multi-arch-image-template.yml

@@ -1,3 +1,19 @@
+#
+# Copyright 2026 The OKDP 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.
+#
+
 name: Jupyter build multi arch image template
 
 on: