Disable ansiColor

Jenkinsfile

@@ -3,7 +3,6 @@ pipeline {
     label "swarm"
   }
   options {
-        ansiColor('xterm')
         disableConcurrentBuilds()
         timeout(time: 20, unit: 'MINUTES')
   }
@@ -43,7 +42,7 @@ pipeline {
   stages {
     stage("Build") {
       steps {
-        echo "\u001B[32m \u2600 Building \u001B[35m ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${repo}-${BUILD_NUMBER}. \u001B[0m"
+        echo "Building ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${repo}-${BUILD_NUMBER}."
         sh "docker build --build-arg repo=${repo} --build-arg version=${version} --no-cache -t ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${repo}-${BUILD_NUMBER} ."
         script {
            NEWTAG = sh script: "docker run --rm --entrypoint=\"\" ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${repo}-${BUILD_NUMBER} rpm -q --qf %{VERSION}-%{RELEASE} ${PACKAGE_NAME} 2> /dev/null", returnStdout: true
@@ -55,7 +54,7 @@ pipeline {
     }
     stage("Publish") {
       steps {
-        echo "\u001B[32m \u2600 Publishing \u001B[35m ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${NEWTAG} \u001B[0m"
+        echo "Publishing ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${NEWTAG}"
         sh "docker push ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${NEWTAG}"
       }
     }
@@ -79,10 +78,10 @@ pipeline {
     }
     stage("Tagging"){
       steps{
-        echo "\u001B[32m \u2600 Setting latest tag \u001B[0m"
+        echo "Setting latest tag"
         sh """docker tag ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${NEWTAG} ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:latest
               docker push ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:latest"""
-        echo "\u001B[32m \u2600 Updating tag info in \u001B[35m ${SWARM_GIT_NAME} repository \u001B[0m"
+        echo "Updating tag info in ${SWARM_GIT_NAME} repository"
         withCredentials([sshUserPrivateKey(credentialsId: 'provision', keyFileVariable: 'GIT_SSH_KEY', passphraseVariable: '', usernameVariable: 'GIT_SSH_USERNAME')]) {
           sh """GIT_SSH_COMMAND='ssh -i ${GIT_SSH_KEY} -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' \
                 git clone ${SWARM_GIT_URL}
@@ -101,7 +100,7 @@ pipeline {
   }
   post {
     always {
-      echo "\u001B[32m \u2600 CleaningUp work diretory \u001B[0m"
+      echo "CleaningUp work diretory"
       deleteDir()
       sh "docker image rm -f `docker image ls -q ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${repo}-${BUILD_NUMBER}`"