CI: adding conditional stages in the parent pipeline based on labels in Merge Requests

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

ci-scripts/checkGitLabMergeRequestLabels.sh

+#!/bin/bash
+#/*
+# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+# * contributor license agreements.  See the NOTICE file distributed with
+# * this work for additional information regarding copyright ownership.
+# * The OpenAirInterface Software Alliance licenses this file to You under
+# * the OAI Public License, Version 1.1  (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.openairinterface.org/?page_id=698
+# *
+# * 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.
+# *-------------------------------------------------------------------------------
+# * For more information about the OpenAirInterface (OAI) Software Alliance:
+# *      contact@openairinterface.org
+# */
+
+function usage {
+    echo "OAI GitLab merge request applying script"
+    echo "   Original Author: Raphael Defosseux"
+    echo ""
+    echo "Usage:"
+    echo "------"
+    echo ""
+    echo "    checkGitLabMergeRequestLabels.sh [OPTIONS]"
+    echo ""
+    echo "Options:"
+    echo "------------------"
+    echo ""
+    echo "    --mr-id ####"
+    echo "    Specify the ID of the merge request."
+    echo ""
+    echo "    --help OR -h"
+    echo "    Print this help message."
+    echo ""
+}
+
+if [ $# -ne 2 ] && [ $# -ne 1 ]
+then
+    echo "Syntax Error: not the correct number of arguments"
+    echo ""
+    usage
+    exit 1
+fi
+
+while [[ $# -gt 0 ]]
+do
+key="$1"
+
+case $key in
+    -h|--help)
+    shift
+    usage
+    exit 0
+    ;;
+    --mr-id)
+    MERGE_REQUEST_ID="$2"
+    shift
+    shift
+    ;;
+    *)
+    echo "Syntax Error: unknown option: $key"
+    echo ""
+    usage
+    exit 1
+esac
+done
+
+LABELS=`curl --silent "https://gitlab.eurecom.fr/api/v4/projects/oai%2Fopenairinterface5g/merge_requests/$MERGE_REQUEST_ID" | jq '.labels' || true`
+
+IS_MR_BUILD_ONLY=`echo $LABELS | grep -c BUILD-ONLY || true`
+IS_MR_CI=`echo $LABELS | grep -c CI || true`
+IS_MR_4G=`echo $LABELS | grep -c 4G-LTE || true`
+IS_MR_5G=`echo $LABELS | grep -c 5G-NR || true`
+
+# First case: none is present! No CI
+if [ $IS_MR_BUILD_ONLY -eq 0 ] && [ $IS_MR_CI -eq 0 ] && [ $IS_MR_4G -eq 0 ] && [ $IS_MR_5G -eq 0 ]
+then
+    echo "NONE"
+    exit 0
+fi
+
+# Second case: Build-Only
+if [ $IS_MR_BUILD_ONLY -eq 1 ]
+then
+    echo "BUILD-ONLY"
+    exit 0
+fi
+
+# Third case: CI or 4G label --> Full CI run
+if [ $IS_MR_4G -eq 1 ] || [ $IS_MR_CI -eq 1 ] 
+then
+    echo "FULL"
+    exit 0
+fi
+
+# Fourth case: 5G label
+if [ $IS_MR_BUILD_ONLY -eq 0 ] && [ $IS_MR_CI -eq 0 ] && [ $IS_MR_4G -eq 0 ] && [ $IS_MR_5G -eq 1 ]
+then
+    echo "SHORTEN-5G"
+    exit 0
+fi
+