check for valid integer values for UID and GID

This commit is contained in:
Asif Bacchus 2020-11-28 03:17:30 -07:00
parent 758e00edfc
commit 8647d0fe4f

View File

@ -7,9 +7,33 @@ convertCase () {
printf "%s" "$1" | tr "[:lower:]" "[:upper:]" printf "%s" "$1" | tr "[:lower:]" "[:upper:]"
} }
testInteger () {
if ! [ "$1" -eq "$1" ] 2>/dev/null; then
return 0
else
return "$1"
fi
}
# instantiate variables # instantiate variables
sqlCmd='/tmp/cmd.sql' sqlCmd='/tmp/cmd.sql'
# convert env variables to uppercase for proper string comparison
SKIP_NAME_RESOLVE=$(convertCase "$SKIP_NAME_RESOLVE")
# verify environment variables have valid values
if [ "$(testInteger $MYSQL_UID)" -gt 0 ]; then
printf "Setting mysql UID to %s\n" "$MYSQL_UID"
else
printf "'%s' is not a valid value for MYSQL_UID\n" "$MYSQL_UID"
exit 1
fi
if [ "$(testInteger $MYSQL_GID)" -gt 0 ]; then
printf "Setting mysql GID to %s\n" "$MYSQL_GID"
else
printf "'%s' is not a valid value for MYSQL_GID\n" "$MYSQL_UID"
exit 1
fi
# generate root password if not specified # generate root password if not specified
if [ -z "$MYSQL_ROOT_PASSWORD" ]; then if [ -z "$MYSQL_ROOT_PASSWORD" ]; then
MYSQL_ROOT_PASSWORD="$( head /dev/urandom | tr -dc A-Za-z0-9 | head -c32 )" MYSQL_ROOT_PASSWORD="$( head /dev/urandom | tr -dc A-Za-z0-9 | head -c32 )"