[Gluster-devel] Replacement mount.glusterfs

[Anand Avati]

Michael,
 thanks for the enhancement, this will go in my next commit.

thanks!
avati

2007/9/27, Michael Fincham <michael at unleash.co.nz>:
>
> Hi all,
>
> Have added a -o direct-io-mode=blah as an option and tweaked a couple of
> other (minor) things. Notably -o options may now be passed in any case.
> This adds a dependency on printf and tr but these are both in coreutils so
> can't be worse than sed ;)
>
> Script follows:
>
> #!/bin/sh
> # (C) 2006 Gluster core team <http://www.gluster.org/>
> #
> # This program is free software; you can redistribute it and/or
> # modify it under the terms of the GNU General Public License as
> # published by the Free Software Foundation; either version 2 of
> # the License, or (at your option) any later version.
> #
> # This program is distributed in the hope that it will be useful,
> # but WITHOUT ANY WARRANTY; without even the implied warranty of
> # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> # GNU General Public License for more details.
> #
> # You should have received a copy of the GNU General Public
> # License along with this program; if not, write to the Free
> # Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
> # Boston, MA 02110-1301 USA
>
> _init ()
> {
>     # log level definitions
>     LOG_NONE=NONE;
>     LOG_CRITICAL=CRITICAL;
>     LOG_ERROR=ERROR;
>     LOG_WARNING=WARNING;
>     LOG_DEBUG=DEBUG;
>
>     # direct io definitions
>     DIO_ENABLE="ENABLE";
>     DIO_DISABLE="DISABLE";
>
>     # set default log level to ERROR
>     log_level_default=$LOG_ERROR;
>
>     # set default direct-io-mode to ENABLE
>     direct_io_mode_default=$DIO_ENABLE;
>
>     direct_io_mode=$direct_io_mode_default;
>     log_level=$log_level_default;
> }
>
> start_glusterfs ()
> {
>     prefix="/usr";
>     exec_prefix=${prefix};
>     cmd_line=$(echo "${exec_prefix}/sbin/glusterfs");
>
>     if [ -n "$direct_io_mode_str" ]; then
>         case "$( printf "%s\n" "$direct_io_mode_str" | tr '[A-Z]' '[a-z]'
> )" in
>             "enable")
>                 direct_io_mode=$DIO_ENABLE;
>                 ;;
>             "disable")
>                 direct_io_mode=$DIO_DISABLE;
>                 ;;
>             *)
>                 echo "invalid direct-io setting '$direct_io_mode_str',
> using default '$direct_io_mode_default'";
>                 direct_io_mode=$direct_io_mode_default;
>                 ;;
>         esac
>     fi
>
>     if [ -n "$log_level_str" ]; then
>         case "$( printf "%s\n" "$log_level_str" | tr '[A-Z]' '[a-z]' )" in
>             "error")
>                 log_level=$LOG_ERROR;
>                 ;;
>             "debug")
>                 log_level=$LOG_DEBUG;
>                 ;;
>             "critical")
>                 log_level=$LOG_CRITICAL;
>                 ;;
>             "warning")
>                 log_level=$LOG_WARNING;
>                 ;;
>             "none")
>                 log_level=$LOG_NONE;
>                 ;;
>             *)
>                 echo "invalid log level '$log_level_str', using default
> '$log_level_default'";
>                 log_level=$log_level_default;
>                 ;;
>         esac
>     fi
>     cmd_line=$(echo "$cmd_line --log-level=$log_level
> --direct-io-mode=$direct_io_mode ");
>
>     if [ -n "$log_file" ]; then
>         cmd_line=$(echo "$cmd_line --log-file=$log_file");
>     fi
>
>     if [ -z "$spec_location" ]; then
>         cmd_line=$(echo "$cmd_line \
> --server=$spec_server_ip \
> --port=$spec_server_port");
>     else
>         cmd_line=$(echo "$cmd_line --spec-file=$spec_location");
>     fi
>
>     cmd_line=$(echo "$cmd_line $mount_point");
>     exec $cmd_line;
> }
>
>
> main ()
> {
>     options=$(echo "$@" | sed -n 's/.*\-o[ ]*\([^ ]*\).*/\1/p');
>     new_log_level=$(echo "$options" | sed -n
> 's/.*log-level=\([^,]*\).*/\1/p');
>
>     [ -n "$new_log_level" ] && {
>         log_level_str="$new_log_level";
>     }
>     log_file=$(echo "$options" | sed -n 's/.*log-file=\([^,]*\).*/\1/p');
>
>     direct_io_mode_str=$(echo "$options" | sed -n
> 's/.*direct-io-mode=\([^,]*\).*/\1/p');
>
>     spec_location="$1";
>
>     [ -r "$spec_location" ] || {
>         spec_server_ip=$(echo "$spec_location" | sed -n
> 's/\([^\:]*\).*/\1/p');
>         spec_server_port=$(echo "$spec_location" | sed -n 's/.*:\([^
> ]*\).*/\1/p');
>         [ -n "$spec_server_port" ] || {
>             spec_server_port="6996";
>         }
>
>         spec_location="";
>     }
>     new_fs_options=$(echo "$options" | sed -e 's/[,]*log-file=[^,]*//' \
>                                            -e 's/[,]*log-level=[^,]*//' \
>                                            -e
> 's/[,]*direct-io-mode=[^,]*//'
> \
>                                            -e 's/[,]*spec=[^,]*//');
>     # following line is product of love towards sed
>     # $2=$(echo "$@" | sed -n 's/[^ ]* \([^ ]*\).*/\1/p');
>
>     mount_point="$2";
>
>     fs_options=$(echo "$fs_options,$new_fs_options");
>
>     start_glusterfs;
> }
>
> _init "$@" && main "$@";
>
>
>
>
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>



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