ask confirm shell

 #/bin/bash
 BASEDIR=$(cd $(dirname $) && pwd)
 cd $BASEDIR>/dev/null
 usage="Usage: $0 -o/--org orgId[Must] -p/--prepare t[Option] -f/--force t[Option] -d/--dry t[Option]"
 force=
 prepare=
 step=
 dry=
 RED='\033[0;31m'
 BLUE='\033[1;32m'
 GREEN='\033[1;34m'
 NC='\033[0m' # No Color
 #read input parameters
 while [ "$1" != "" ]
 do
   case $ in
       -o|--org) shift
          orgId=$
          ;;
       -f|--force) shift
          if [ "$1" = "-p" ];then
            prepare=
          fi
          force=
           ;;
       -p|--prepare) shift
          if [ "$1" = "-f" ];then
            force=
          fi
          prepare=
           ;;
       -d|--dry) shift
         dry=
         ;;
       *) echo $usage
          exit
          ;;
    esac
    shift
 done
 if [ -z $orgId ];then
    echo -e "$RED[Error] Missing orgId!$NC\r\n$usage"
    exit
 fi
 logsdir=logs/${orgId}_`date +'%Y-%m-%d-%H-%M-%S'`
 mkdir -p $logsdir
 log="$logsdir/csc_migrage_$orgId.log"

 check_and_commit()
 {
    cmd=""
    step=`expr "$step" + `
    echo ""|tee -a $logs
    echo -e "$BLUE[`date +'%Y-%m-%d %H:%M:%S'`][Step $step] exec $1 $NC"|tee -a $log
    if [ $force -eq  ];then
        while true; do
             read -p "Do you confirm to execute step $1? [y/n]" yn
        case $yn in
             [Yy]* )
                 $;
                 if [ $dry -eq  ];then
                     echo -e "$GREEN [Dry Run]$NC $cmd"|tee -a $log
                 else
                     echo $cmd|tee -a $log
                     $cmd|tee  $logsdir/$.log
                 fi
                 break;;
             [Nn]* ) echo "ignore step $1"|tee -a $log ;break;;
         esac
         done
    else
      $
      if [ $dry -eq  ];then
          echo -e "$GREEN [Dry Run]$NC $cmd"|tee -a $log
       else
          echo $cmd|tee -a $log
          $cmd|tee -a $logsdir/$.log
       fi
    fi
 }

 prepare_message_confirm()
 {
    echo    "Please make sure next items be done"
    echo -e "${RED} 1.env.sh use correct environment information ${NC}"
    echo -e "${RED} 2.all gcs vm had added the onecloud replay URL and restarted${NC}"
    echo -e "${RED} 3.make sure this vm can connect to brown field mongo/redshift/CMC gateway ${NC}"
    echo -e "${RED} 4.had startup cloud-subscriber with correct version and expose port 3424 ${NC}"
    echo -e "${RED} 5.brown field subscrbier-sync pod had patched ${NC}"
    if [ $force -eq  ];then
        while true; do
             read -p "Do you confirm ? [y/n]" yn
        case $yn in
             [Yy]* )  echo "will continue to execute for org :$orgId";break;;
             [Nn]* )  exit - ;break;;
         esac
         done
    fi

 }

 migrate_mongo_big_collections()
 {
    cmd="python ./mongo_to_psql_sxaccfs.py -m $compass_mongo -n $onecloud_postgres_host -d $onecloud_postgres_db -u $onecloud_postgres_username -p $onecloud_postgres_password"
 }

 mongo_to_postgres_noorg()
 {
   cmd="python ./mongo_to_psql.py -m $compass_mongo -n $onecloud_postgres_host -d $onecloud_postgres_db -u $onecloud_postgres_username -p $onecloud_postgres_password --no-org"
 }

 brown_sub_fullsync()
 {
   cmd="curl -s  $old_subscriber_api/sync?orgid=$orgId&mode=fsync-es&save-sync-logs=false&async=false"
 }

 mongo_to_postgres_relay()
 {
   cmd="python ./mongo_to_psql.py -m $compass_mongo -n $onecloud_postgres_host -d $onecloud_postgres_db -u $onecloud_postgres_username -p $onecloud_postgres_password -O $orgId  -i in_collection_names.txt"
 }

 sub_clean()
 {
   cmd="curl -s $local_subscriber_api/migrate-clear?orgId=$orgId"
 }

 sub_soc()
 {
   cmd="curl -s $local_subscriber_api/migrate-usoc?orgId=$orgId"
 }

 sub_cc()
 {
  cmd="curl -s $local_subscriber_api/migrate-subscriber-cc?orgId=$orgId"
 }

 sub_billing()
 {
  cmd="curl -s $local_subscriber_api/migrate-subscriber-billing?orgId=$orgId"
 }

 sub_update_fee()
 {
  cmd="curl -s $local_subscriber_api/calc-usoc-fee?orgId=$orgId"
 }

 sub_reindex()
 {
  cmd="curl -s $onecloud_subscriber_api/index/reindex?org=$orgId"
 }

 acs_relay()
 {
    sed -i "3i\  \"oneCloudRelay\": true," org_$orgId.json
    cat org_$orgId.json|tee -a $log
    cmd="curl -s -X PUT -d @org_$orgId.json --url http://$old_gcs_ipaddress:8081/cc/organization/$orgId"
 }

 check_org_exists()
 {
    curl -s http://$old_gcs_ipaddress:8081/cc/organization/$orgId>org_$orgId.json
    if [ `cat org_$orgId.json|grep 'No organization found'|wc -l` -eq  ];then
       echo -e "$RED org:$orgId is not exist! $NC"
       rm -rf org_$orgId.json
       exit -
    fi
    if [ `cat org_$orgId.json|grep oneCloudRelay|grep true|wc -l` -eq  ];then
        if [ $force -eq  ];then
         while true; do
             read -p "org:$orgId had already relay,Do you want to continue? [y/n]" yn
         case $yn in
             [Yy]* )
                 sed -i '/oneCloudRelay/d' org_$orgId.json;
                 echo "will continue to execute for org :$orgId";
                 break;;
             [Nn]* )  exit - ;break;;
         esac
         done
         else
                 sed -i '/oneCloudRelay/d' org_$orgId.json
         fi
    fi
 }

 acs_workflow()
 {
   cmd="curl -s -X POST --url http://$onecloud_gcs_ipaddress:8081/cc/workflow/audit?orgId=$orgId"
 }

 mongo_to_postgres_cloud()
 {
   cmd="python ./mongo_to_psql.py -m $cloud_mongo -n $onecloud_postgres_host -d $onecloud_postgres_db -u $onecloud_postgres_username -p $onecloud_postgres_password -O $orgId"
 }

 mongo_to_postgres_compass_others()
 {
   cmd="python ./mongo_to_psql.py -m $compass_mongo -n $onecloud_postgres_host -d $onecloud_postgres_db -u $onecloud_postgres_username -p $onecloud_postgres_password -O $orgId -e ex_collection_names.txt"
 }

 mongo_to_mongo()
 {
   cmd="./migrate_mongo_to_mongo.sh $orgId"
 }

 copy_cc_org()
 {
    cmd="curl -s -X POST -d @org_$orgId.json --url http://$onecloud_gcs_ipaddress:8081/cc/organization/$orgId"
 }

 main()
 {
    if [ $force -eq  ];then
      prepare_message_confirm
    fi
    if [ $prepare -eq  ];then
      check_and_commit "Migrate2BigCollectionOfMongo" migrate_mongo_big_collections
      check_and_commit "Mongo2PostgresCrossOrgFiles" mongo_to_postgres_noorg
    fi
    check_org_exists
 #   check_and_commit "Mongo2Postgres cross org files" mongo_to_postgres_noorg
    check_and_commit "BrownSubscriberFullSync" brown_sub_fullsync
    check_and_commit "MigrateCompassMongoforACSRelay" mongo_to_postgres_relay
    check_and_commit "SubscriberMigrateClean" sub_clean
    check_and_commit "SubscriberMigrateUSOC" sub_soc
    check_and_commit "SubscriberMigrateCCSubscribers"  sub_cc
    check_and_commit "SubscriberMigrateBilling" sub_billing
    check_and_commit "SubscriberMigrateFEE" sub_update_fee
    check_and_commit "GreenSubscriberReindex" sub_reindex
    check_and_commit "MigrateCCorgToGreen" copy_cc_org
    check_and_commit "EnableACSRelay" acs_relay
    check_and_commit "MigrateACSWorkflow" acs_workflow
    check_and_commit "CopyALLCloudCollectionsMongo2Postgres" mongo_to_postgres_cloud
    check_and_commit "CopyLeftCompassCollectionsMongo2Postgres" mongo_to_postgres_compass_others
    check_and_commit "MigrateCloudMongoToNewCloudMongo" mongo_to_mongo
 }
 source env.sh
 main