Config file modified needed to compile Oracle 19c on Debian 11

oracledb_ORCLCDB-19c

#!/bin/bash
#
# chkconfig: 2345 80 05
# Description: This script is responsible for taking care of configuring the Oracle Database and its associated services.
#
# processname: oracledb_ORCLCDB-19c
# Red Hat or SuSE config: /etc/sysconfig/oracledb_ORCLCDB-19c
#

# Set path if path not set
case $PATH in
	"") PATH=/bin:/usr/bin:/sbin:/etc
		 export PATH ;;
esac

# Check if the root user is running this script
if [ $(id -u) != "0" ]
then
	echo "You must be root user to run the configurations script. Login as root user and try again."
	exit 1
fi

# Setting the required environment variables
export ORACLE_HOME=/opt/oracle/product/19c/dbhome_1 

export ORACLE_VERSION=19c 
export ORACLE_SID=ORCLCDB
export TEMPLATE_NAME=General_Purpose.dbc
export CHARSET=AL32UTF8
export PDB_NAME=ORCLPDB1
export LISTENER_NAME=LISTENER
export NUMBER_OF_PDBS=1
export CREATE_AS_CDB=true

# General exports and vars
export PATH=$ORACLE_HOME/bin:$PATH
LSNR=$ORACLE_HOME/bin/lsnrctl
SQLPLUS=$ORACLE_HOME/bin/sqlplus
DBCA=$ORACLE_HOME/bin/dbca
NETCA=$ORACLE_HOME/bin/netca
ORACLE_OWNER=oracle
RETVAL=0
CONFIG_NAME="oracledb_$ORACLE_SID-$ORACLE_VERSION.conf"
CONFIGURATION="/etc/sysconfig/$CONFIG_NAME"

# Commands
if [ -z "$SU" ];then SU=/bin/su; fi
if [ -z "$GREP" ]; then GREP=/usr/bin/grep; fi
if [ ! -f "$GREP" ]; then GREP=/bin/grep; fi

# To start the DB
start()
{
    check_for_configuration
    RETVAL=$?
    if [ $RETVAL -eq 1 ]
    then
        echo "The Oracle Database is not configured. You must run '/etc/init.d/oracledb_$ORACLE_SID-$ORACLE_VERSION configure' as the root user to configure the database."
        exit
    fi
    # Check if the DB is already started
    pmon=`ps -ef | egrep pmon_$ORACLE_SID'\>' | $GREP -v grep`
    if [ "$pmon" = "" ];
    then

        # Unset the proxy env vars before calling sqlplus
        unset_proxy_vars

        echo "Starting Oracle Net Listener."
        $SU -s /bin/bash $ORACLE_OWNER -c "$LSNR  start $LISTENER_NAME" > /dev/null 2>&1
        RETVAL=$?
        if [ $RETVAL -eq 0 ]
        then
            echo "Oracle Net Listener started."
        fi

        echo "Starting Oracle Database instance $ORACLE_SID."
        $SU -s /bin/bash  $ORACLE_OWNER -c "$SQLPLUS -s /nolog << EOF
                                                                connect / as sysdba
                                                                startup
                                                                alter pluggable database all open
                                                                exit;
                                                                EOF" > /dev/null 2>&1
        RETVAL1=$?
        if [ $RETVAL1 -eq 0 ]
        then
            echo "Oracle Database instance $ORACLE_SID started."
        fi
    else
        echo "The Oracle Database instance $ORACLE_SID is already started."
        exit 0
    fi

    echo
    if [ $RETVAL -eq 0 ] && [ $RETVAL1 -eq 0 ]
    then
        return 0
     else
        echo "Failed to start Oracle Net Listener using $ORACLE_HOME/bin/tnslsnr and Oracle Database using $ORACLE_HOME/bin/sqlplus."
        exit 1
    fi
}

# To stop the DB
stop()
{
    check_for_configuration
    RETVAL=$?
    if [ $RETVAL -eq 1 ]
    then
        echo "The Oracle Database is not configured. You must run '/etc/init.d/oracledb_$ORACLE_SID-$ORACLE_VERSION configure' as the root user to configure the database."
        exit 1
    fi
    # Check if the DB is already stopped
    pmon=`ps -ef | egrep pmon_$ORACLE_SID'\>' | $GREP -v grep`
    if [ "$pmon" = "" ]
    then
        echo "Oracle Database instance $ORACLE_SID is already stopped."
        exit 1
    else

        # Unset the proxy env vars before calling sqlplus
        unset_proxy_vars

        echo "Shutting down Oracle Database instance $ORACLE_SID."
        $SU -s /bin/bash $ORACLE_OWNER -c "$SQLPLUS -s /nolog << EOF
                                                                connect / as sysdba
                                                                shutdown immediate
                                                                exit;
                                                                EOF" > /dev/null 2>&1
        RETVAL=$?
        if [ $RETVAL -eq 0 ]
        then
            echo "Oracle Database instance $ORACLE_SID shut down."
        fi

        echo "Stopping Oracle Net Listener."
        $SU -s /bin/bash  $ORACLE_OWNER -c "$LSNR stop $LISTENER_NAME" > /dev/null 2>&1
        RETVAL1=$?
        if [ $RETVAL1 -eq 0 ]
        then
            echo "Oracle Net Listener stopped."
        fi
    fi

    echo
    if [ $RETVAL -eq 0 ] && [ $RETVAL1 -eq 0 ]
    then
        return 0
    else
        echo "Failed to stop Oracle Net Listener using $ORACLE_HOME/bin/tnslsnr and Oracle Database using $ORACLE_HOME/bin/sqlplus."
        exit 1
    fi
}

# To call DBCA to configure the DB
configure_perform()
{
    # Unset the proxy env vars before calling dbca
    unset_proxy_vars

    echo "Configuring Oracle Database $ORACLE_SID."

    $SU -s /bin/bash  $ORACLE_OWNER -c "$DBCA -silent -createDatabase -gdbName $ORACLE_SID -templateName $TEMPLATE_NAME -characterSet $CHARSET -createAsContainerDatabase $CREATE_AS_CDB -numberOfPDBs $NUMBER_OF_PDBS -pdbName $PDB_NAME -createListener $LISTENER_NAME:$LISTENER_PORT -datafileDestination $ORACLE_DATA_LOCATION -sid $ORACLE_SID -autoGeneratePasswords -emConfiguration DBEXPRESS -emExpressPort $EM_EXPRESS_PORT -J-Doracle.assistants.dbca.validate.ConfigurationParams=false"

    RETVAL=$?

    echo
    if [ $RETVAL -eq 0 ]
    then
        echo "Database configuration completed successfully. The passwords were auto generated, you must change them by connecting to the database using 'sqlplus / as sysdba' as the oracle user."
        return 0
    else
        echo "Database configuration failed."
        exit 1
    fi
}

# Enh 27965939 - Unsets the proxy env variables
unset_proxy_vars()
{
    if [ "$http_proxy" != "" ]
    then
        unset http_proxy
    fi

    if [ "$HTTP_PROXY" != "" ]
    then
        unset HTTP_PROXY
    fi

    if [ "$https_proxy" != "" ]
    then
        unset https_proxy
    fi

    if [ "$HTTPS_PROXY" != "" ]
    then
        unset HTTPS_PROXY
    fi
}

# Check if the DB is already configured
check_for_configuration()
{
    configfile=`$GREP --no-messages $ORACLE_SID:$ORACLE_HOME /etc/oratab` > /dev/null 2>&1
    if [ "$configfile" = "" ]
    then
        return 1
    fi
    return 0
}

read_config_file()
{
    if [ -f "$CONFIGURATION" ]
    then
        . "$CONFIGURATION"
    else
        echo "The Oracle Database is not configured. Unable to read the configuration file '$CONFIGURATION'"
        exit 1;
    fi
}

# Entry point to configure the DB
configure()
{
    check_for_configuration
    RETVAL=$?
    if [ $RETVAL -eq 0 ]
    then
        echo "Oracle Database instance $ORACLE_SID is already configured."
        exit 1
    fi
    read_config_file
    check_port_availability
    check_em_express_port_availability
    configure_perform
}

check_port_availability()
{
    port=`netstat -n --tcp --listen | $GREP :$LISTENER_PORT`
    if [ "$port" != "" ]
    then
        echo "Port $LISTENER_PORT appears to be in use by another application. Specify a different port in the configuration file '$CONFIGURATION'"
        exit 1;
    fi
}

# Validation method to check for port availability for Oracle EM Express
check_em_express_port_availability()
{
    port=`netstat -n --tcp --listen | $GREP :$EM_EXPRESS_PORT`
	if [ "$port" != "" ]
    then
         echo "Port $EM_EXPRESS_PORT appears to be in use by another application. Specify a different Oracle EM Express port in the configuration file '$CONFIGURATION'"
         exit 1;
    fi
}

restart()
{
    # Check if the DB is already stopped
    pmon=`ps -ef | egrep pmon_$ORACLE_SID'\>' | $GREP -v grep`
    if [ "$pmon" = "" ]
    then
        start
    else
        stop
        start
    fi
}

configure_delete()
{
    # Unset the proxy env vars before calling dbca and netca
    unset_proxy_vars
    ORABASE=`$ORACLE_HOME/bin/orabase`
    NETCA_LOG_DIR="$ORABASE/cfgtoollogs/netca"
    LSNR_CONFIG_FILE="$ORACLE_HOME/network/admin/listener.ora"
    if [ ! -d "$NETCA_LOG_DIR" ]
    then
       $SU -s /bin/bash $ORACLE_OWNER -c "$MKDIR_CMD -p $NETCA_LOG_DIR"
    fi
    NETCA_LOG="$NETCA_LOG_DIR/netca_deinst_out.log"

    echo "Detecting existing Listeners..."
    if [ -f "$LSNR_CONFIG_FILE" ]
    then
      NUMBER_OF_LISTENERS=`grep -w "DESCRIPTION_LIST" $LSNR_CONFIG_FILE | wc -l`
      if [ "$NUMBER_OF_LISTENERS" == "1" ]
      then
        echo "Deleting Oracle Listener...."
        $SU -s /bin/bash $ORACLE_OWNER -c "$LSNR  stop $LISTENER_NAME" > /dev/null 2>&1
        $SU -s /bin/bash $ORACLE_OWNER -c "$NETCA /deinst >>$NETCA_LOG"
      else
        if [ "$NUMBER_OF_LISTENERS" != "0" ]
        then
          echo "There were more Listeners detected. Verify and remove them manually so the service can be safely deleted"
          exit
        else
          echo "No Listeners were detected. Proceeding with Database removal"
        fi
      fi
    else
      echo "No Listener configuration file found. Proceeding with Database removal"
    fi

    #Then proceed to remove the database
    echo "Detecting existing Oracle Databases..."
    check_for_configuration
    RETVAL=$?
    if [ $RETVAL -eq 0 ]
    then
      echo "Deleting Oracle Database $ORACLE_SID."
      $SU -s /bin/bash  $ORACLE_OWNER -c "$DBCA -silent -deleteDatabase -sourceDB $ORACLE_SID -skipSYSDBAPasswordPrompt true"
    else
      echo "The Oracle Database is not configured. You must run '/etc/init.d/oracledb_$ORACLE_SID-@<DBNRMAJVSNLETTER_STR>@ configure' as the root user to configure the database"
      exit
    fi
}

case "$1" in
    start)
        start
    ;;
    stop)
        stop
    ;;
    configure)
        configure
    ;;
    delete)
        configure_delete
    ;;
    restart)
        restart
    ;;
    *)
        echo $"Usage: $0 {start|stop|restart|configure|delete}"
        exit 1
    ;;
esac

exit 0