[JENKINSFILE] use scanner home

Jenkinsfile

@@ -69,13 +69,13 @@ pipeline {
          not { buildingTag() }
        }
        tools {
-          tool 'SonarQubeScanner'
           jdk 'Java11'
        }       
        steps {
             script {
+                def scannerHome = tool 'SonarQubeScanner';
                 withSonarQubeEnv('Sonarqube') {
-                    sh "sonar-scanner -Dsonar.sources=src/main/java/ -Dsonar.test.exclusions=**/src/test/** -Dsonar.coverage.exclusions=**/src/test/** -Dsonar.java.checkstyle.reportPaths=target/checkstyle-result.xml -Dsonar.java.pmd.reportPaths=target/pmd.xml -Dsonar.coverage.jacoco.xmlReportPaths=target/site/jacoco/jacoco.xml -Dsonar.java.spotbugs.reportPaths=target/spotbugsXml.xml -Dsonar.host.url=${SONAR_HOST_URL} -Dsonar.login=${SONAR_AUTH_TOKEN} -Dsonar.java.binaries=target/classes -Dsonar.projectKey=${GIT_NAME}-${BRANCH_NAME} -Dsonar.projectName=${GIT_NAME}-${BRANCH_NAME}"
+                    sh "export PATH=$PATH:${scannerHome}/bin; sonar-scanner -Dsonar.sources=src/main/java/ -Dsonar.test.exclusions=**/src/test/** -Dsonar.coverage.exclusions=**/src/test/** -Dsonar.java.checkstyle.reportPaths=target/checkstyle-result.xml -Dsonar.java.pmd.reportPaths=target/pmd.xml -Dsonar.coverage.jacoco.xmlReportPaths=target/site/jacoco/jacoco.xml -Dsonar.java.spotbugs.reportPaths=target/spotbugsXml.xml -Dsonar.host.url=${SONAR_HOST_URL} -Dsonar.login=${SONAR_AUTH_TOKEN} -Dsonar.java.binaries=target/classes -Dsonar.projectKey=${GIT_NAME}-${BRANCH_NAME} -Dsonar.projectName=${GIT_NAME}-${BRANCH_NAME}"
                     sh '''try=2; while [ \$try -gt 0 ]; do curl -s -XPOST -u "${SONAR_AUTH_TOKEN}:" "${SONAR_HOST_URL}api/project_tags/set?project=${GIT_NAME}-${BRANCH_NAME}&tags=${SONARQUBE_TAGS},${BRANCH_NAME}" > set_tags_result; if [ \$(grep -ic error set_tags_result ) -eq 0 ]; then try=0; else cat set_tags_result; echo "... Will retry"; sleep 60; try=\$(( \$try - 1 )); fi; done'''
                 }
             }