add an fstab plugin

1 files changed, 124 insertions, 0 deletions

diff --git a/lib/ManaTools/Shared/disk_backend/Plugin/fstab.pm b/lib/ManaTools/Shared/disk_backend/Plugin/fstab.pm
new file mode 100644
index 00000000..564686d3
--- /dev/null
+++ b/lib/ManaTools/Shared/disk_backend/Plugin/fstab.pm
@@ -0,0 +1,124 @@
+# vim: set et ts=4 sw=4:
+package ManaTools::Shared::disk_backend::Plugin::fstab;
+
+#============================================================= -*-perl-*-
+
+=head1 NAME
+
+    ManaTools::Shared::disk_backend::Plugin::fstab - fstab object
+
+=head1 SYNOPSIS
+
+    use ManaTools::Shared::disk_backend::Plugin::fstab;
+
+    my $db_man = ManaTools::Shared::disk_backend::Plugin::fstab->new($parent);
+    ...
+
+
+=head1 DESCRIPTION
+
+    This plugin is a fstab plugin for the backend to manadisk
+
+=head1 SUPPORT
+
+    You can find documentation for this plugin with the perldoc command:
+
+    perldoc ManaTools::Shared::disk_backend::Plugin::fstab
+
+
+=head1 AUTHOR
+
+    Maarten Vanraes <alien@rmail.be>
+
+=head1 COPYRIGHT and LICENSE
+
+Copyright (c) 2015 Maarten Vanraes <alien@rmail.be>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License version 2, as
+published by the Free Software Foundation.
+
+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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+=head1 METHODS
+
+=cut
+
+use Moose;
+
+use File::Basename;
+
+extends 'ManaTools::Shared::disk_backend::Plugin';
+
+has 'lines', is => 'rw', isa => 'ArrayRef[Str]', lazy => 1, default => sub {return [];};
+has 'index', is => 'rw', isa => 'ArrayRef[Maybe[ManaTools::Shared::disk_backend::Part::Mount]]', lazy => 1, default => sub {return {};};
+
+#=============================================================
+
+=head2 load
+
+=head3 OUTPUT
+
+    0 if failed, 1 if success
+
+=head3 DESCRIPTION
+
+    this method will load and parse the fstab file
+
+=cut
+
+#=============================================================
+override ('load', sub {
+    my $self = shift;
+    $self->lines([]);
+    $self->index([]);
+    my $i = 0;
+    # TODO: maybe lock the file?
+    open F, '</etc/fstab' or return 0;
+    while (my $line = <F>) {
+        $self->lines->[$i] = $line;
+        # watch out for trailing #
+        # split properly
+        # device/UUID/LABEL/PARTUUID path type options dump fscheck
+        if ($line =~ m'^\s+(/dev/|(LABEL|(PART)?UUID)=("[^"]+"|[^\s]+))\s+(.+)\s+([^\s]+)\s+(.+)\s+(\d+)\s+(\d+)\s*(#.*)?$') {
+            # $self->index->[$i] = part
+        }
+        $i = $i + 1;
+    }
+    close F;
+
+    1;
+});
+
+#=============================================================
+
+=head2 save
+
+=head3 OUTPUT
+
+    0 if failed, 1 if success
+
+=head3 DESCRIPTION
+
+    this method will save the (modified) fstab file
+
+=cut
+
+#=============================================================
+override ('save', sub {
+    my $self = shift;
+    open F, ">/tmp/fstab.$$" or return 0;
+    close F;
+    # mv "/tmp/fstab.$$" "/etc/fstab"
+
+    1;
+});
+
+1;