rmimage

#!/bin/bash
# 
# Author: chris.jenkins@oracle.com
# 
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
# 
# LICENSE UPL 1.0
#
# Copyright (c) 2022 Oracle and/or its affiliates.
# 
# Script to remove an existing TimesTen image.

declare -r cfgfilename="container.cfg"
declare -r dflt_imagename="ttimage"

declare basedir
declare cfgfile

usage()
{
    echo
    echo "Usage:"
    echo
    echo "    rmimage"
    echo
    echo "Removes the TimesTen image."
    echo
    exit 100
}

loadConfig()
{
    local cfile

    if [[ $# -ne 1 ]]
    then
        return 1
    fi
    cfile="$1"

    if ! source "${cfile}" >& /dev/null
    then
        echo
        echo "error: unable to load configuration from '${cfile}'"
        echo
        return 1
    fi
    if [[ "${DOCKER_TTIMAGE}" == "" ]]
    then
        export DOCKER_TTIMAGE="${dflt_imagename}"
    fi

    return 0
}

if [[ $# -gt 0 ]]
then
    usage
fi

basedir=$(dirname "$0")
cfgfile="${basedir}/${cfgfilename}"
if ! loadConfig "${cfgfile}"
then
    exit 1
fi

if ! docker image rm "${DOCKER_TTIMAGE}"
then
    exit 2
fi

exit 0