chore(apache): add license checker for CI. (#2034)

Co-authored-by: imbajin <jin@apache.org>

.github/workflows/licence-checker.yml

@@ -0,0 +1,22 @@
+name: License checker
+
+on:
+  push:
+    branches:
+      - master
+      - /^v[0-9]\..*$/
+  pull_request:
+
+jobs:
+  check-license:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Check License Header
+        uses: apache/skywalking-eyes@main
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          log: info
+          config: .licenserc.yaml

.licenserc.yaml

@@ -0,0 +1,93 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+
+header: # `header` section is configurations for source codes license header.
+  license:
+    spdx-id: Apache-2.0 # the spdx id of the license, it's convenient when your license is standard SPDX license.
+    copyright-owner: Apache Software Foundation # the copyright owner to replace the [owner] in the `spdx-id` template.
+    content: | # `license` will be used as the content when `fix` command needs to insert a license header.
+      Licensed to the Apache Software Foundation (ASF) under one or more
+      contributor license agreements.  See the NOTICE file distributed with
+      this work for additional information regarding copyright ownership.
+      The ASF licenses this file to You 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.
+    # `pattern` is optional regexp if all the file headers are the same as `license` or the license of `spdx-id` and `copyright-owner`.
+    pattern: |
+      Licensed to the Apache Software Foundation under one or more contributor
+      license agreements. See the NOTICE file distributed with
+      this work for additional information regarding copyright
+      ownership. The Apache Software Foundation licenses this file to you 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.
+  paths: # `paths` are the path list that will be checked (and fixed) by license-eye, default is ['**'].
+    - '**'
+
+  paths-ignore: # `paths-ignore` are the path list that will be ignored by license-eye.
+    - '.gitignore'
+    - 'LICENSE'
+    - '**/*.versionsBackup'
+    - '**/*.versionsBackup'
+    - '**/*.proto'
+    - '**/*.log'
+    - '**/*.txt'
+    - '**/*.json'
+    - '**/*.conf'
+    - '**/*.map'
+    - '**/*.properties'
+    - '**/RaftRequests.java'
+    - 'dist/**/*'
+    - 'hugegraph-dist'
+    - '**/assembly/static/bin/hugegraph.service'
+    - 'scripts/dev/reviewers'
+    - 'scripts/dev/reviewers'
+    - '**/*.md'
+    - '**/dependency-reduced-pom.xml'
+    - '**/logs/*.log'
+    - '**/META-INF/**/*'
+    - '**/target/*'
+    - 'style/*'
+    - 'ChangeLog'
+    - 'CONFIG.ini'
+    - 'GROUPS'
+    - 'OWNERS'
+    - '.github/**/*'
+    - '**/*.iml'
+    - '**/*.iws'
+    - '**/*.ipr'
+    - '**/META-INF/MANIFEST.MF'
+    - '.repository/**'
+    - '**/.flattened-pom.xml'
+  comment: on-failure # on what condition license-eye will comment on the pull request, `on-failure`, `always`, `never`.
+
+  # license-location-threshold specifies the index threshold where the license header can be located,
+  # after all, a "header" cannot be TOO far from the file start.
+  license-location-threshold: 80

pom.xml

@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You 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.
+  -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>