[chore] add workflow to ping code owners (#12411)

* [chore] add workflow to ping code owners

Adding a workflow triggered when issues are labeled to ping code owners.

* apply review feedback

.github/workflows/ping-codeowners.yml

@@ -0,0 +1,20 @@
+name: 'Ping code owners'
+on:
+ issues:
+ types: [labeled]
+
+jobs:
+ ping-owner:
+ if: ${{ contains(github.event.label.name, 'cmd/') || contains(github.event.label.name, 'exporter/') || contains(github.event.label.name, 'extension/') || contains(github.event.label.name, 'pkg/') || contains(github.event.label.name, 'processor/') || contains(github.event.label.name, 'receiver/') }}
+
+ runs-on: ubuntu-latest
+ steps:
+ - uses: actions/checkout@v3
+
+ - name: Run ping-codeowners.sh
+ run: ./.github/workflows/scripts/ping-codeowners.sh
+ env:
+ GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+ ISSUE: ${{ github.event.issue.number }}
+ COMPONENT: ${{ github.event.label.name }}
+

.github/workflows/scripts/ping-codeowners.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+#
+# Copyright The OpenTelemetry 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:https://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.
+#
+#
+
+
+if [ -z "${COMPONENT}"] || [ -z "${ISSUE}" ]; then
+ exit 0
+fi
+
+OWNERS=`grep -m 1 ${COMPONENT} .github/CODEOWNERS | sed 's/ */ /g' | cut -f3- -d ' '`
+
+if [ -z "${OWNERS}" ]; then
+ exit 0
+fi
+
+gh issue comment ${ISSUE} --body "Pinging code owners: ${OWNERS}"
+