dpdpconfig

#!/bin/bash
# mmconfig
# set up variables for microservices
CONFIG="Y"
CONFIG_VERSION="1.0"
scriptdir=$(dirname "$0")
. "$scriptdir/mmfunctions" || { echo "Missing '$scriptdir/mmfunctions'. Exiting." ; exit 1 ;};

# local variables
REQUIRED_VARIABLES=("PBCORE_USERNAME" "PBCORE_PASSWORD" "PROCESSDIR" "EMAIL_OUTCOME_TO" "CUSTOM_LOG_DIR")

config_edit(){
    [ -z "$1" -o -z "$2" ] && { report -w "The config_edit function requires two arguments. Error." ; exit ;};
    sedtemp=$(maketemp)
    sed "s:^$1=[^ ]*:$1=$2:" "$CONFIG_FILE" > "$sedtemp"
    cp "$sedtemp" "$CONFIG_FILE"
}

test_config(){
    for directoryvariable in PROCESSDIR CUSTOM_LOG_DIR ; do
        if [ -d "${!directoryvariable}" ] ; then
            report -d "${directoryvariable} is a valid directory"
        else
            report -w "${directoryvariable} is NOT a valid directory"
        fi
    done
}

add_key(){
    key_to_add="$1"
    grep -q "^$key_to_add=" "$CONFIG_FILE" ; grep_code="$?"
    if [[ ! "${grep_code}" -eq "0" ]] ; then
        report -td "Adding NEW variable $key_to_add to $CONFIG_FILE"
        echo "$key_to_add=" >> "$CONFIG_FILE"
    fi
}

# set up configuration file if required
if [[ ! -f "$CONFIG_FILE" ]] ; then
    echo "# $(basename $CONFIG_FILE)" > "$CONFIG_FILE"
    echo "# This configuration file contains variables used throughout $WHAT_IS_THIS." >> "$CONFIG_FILE"
    echo "# Edit the lines below to form KEY=VALUE. Please do not add or remove the existing KEYs. Do not edit CONFIG_FILE_VERSION." >> "$CONFIG_FILE"
    echo "CONFIG_FILE_VERSION=$CONFIG_VERSION" >> "$CONFIG_FILE"
fi
for KEY in "${REQUIRED_VARIABLES[@]}" ; do
    add_key "$KEY"
done

report -d "Testing $CONFIG_FILE validity"
test_config
echo

report -d "Table of existing variables:"
for KEY in "${REQUIRED_VARIABLES[@]}" ; do
    VALUE=$(grep "^$KEY=" "$CONFIG_FILE" | cut -d= -f2)
    printf '\t%-40s %-40s\n' "$KEY" "$VALUE"
done
while true ; do
    EDITOPTION="Edit config file in nano"
    report -q "Edit a variable? "
    PS3="Selection (enter by number)? "
    select CONFIG_KEY in "$EDITOPTION" "${REQUIRED_VARIABLES[@]}" "Quit"
    do
        break
    done
    [ "$CONFIG_KEY" = "Quit" ] && { echo Goodbye. ; exit 1 ;};
    [ "$CONFIG_KEY" = "$EDITOPTION" ] && { nano "$CONFIG_FILE" ; exit 1 ;};
    echo -n "Enter the value for $CONFIG_KEY: "
    read "CONFIG_VALUE"
    echo "$CONFIG_KEY is now set to $CONFIG_VALUE"
    config_edit "$CONFIG_KEY" "$CONFIG_VALUE"
done