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migrate-metadata
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migrate-metadata
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#!/bin/sh
#
# Copyright (c) 1994-2008 Carnegie Mellon University. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. The name "Carnegie Mellon University" must not be used to
# endorse or promote products derived from this software without
# prior written permission. For permission or any legal
# details, please contact
# Carnegie Mellon University
# Center for Technology Transfer and Enterprise Creation
# 4615 Forbes Avenue
# Suite 302
# Pittsburgh, PA 15213
# (412) 268-7393, fax: (412) 268-7395
# innovation@andrew.cmu.edu
#
# 4. Redistributions of any form whatsoever must retain the following
# acknowledgment:
# "This product includes software developed by Computing Services
# at Carnegie Mellon University (http://www.cmu.edu/computing/)."
#
# CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
# THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
# FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
# AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
# OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# $Id: migrate-metadata,v 1.5 2010/01/06 17:02:01 murch Exp $
exec perl -x -S $0 ${1+"$@"} # -*-perl-*-
#!perl -w
# script to upgrade from versions of imapd previous to 1.6.2
# make sure you run it as the cyrus user
if ($] !~ /^5\..*/) {
# uh-oh. this isn't perl 5.
foreach (split(/:/, $ENV{PATH})) { # try to find "perl5".
exec("$_/perl5", "-x", "-S", $0, @ARGV) if (-x "$_/perl5");
}
# we failed. bail.
die "Your perl is too old; I need perl 5.\n";
}
# load the real script. this is isolated in an 'eval' so perl4 won't
# choke on the perl5-isms.
eval join("\n", <DATA>);
if ($@) { die "$@"; }
__END__
require 5;
use File::Copy
$| = 1;
if ($#ARGV > -1 && "-i" eq $ARGV[0]) {
$interactive = 1;
shift @ARGV;
}
if ($#ARGV > -1 && "-f" eq $ARGV[0]) {
$force = 1;
shift @ARGV;
}
if (($#ARGV > -1 && "-h" eq $ARGV[0]) || $#ARGV > 0) {
print "usage: migrate-metadata [-i] [-f] [imapd.conf]\n";
print " -i interactive\n";
print " -f keep going on errors\n";
exit;
}
sub ouch {
my $msg = shift;
if ($force) {
print "fatal error: $msg\n";
} else {
print "error: $msg\n";
exit 1;
}
}
sub read_conf {
my $file = shift;
open CONF, $file or die "can't open $file";
print "reading configure file $file...\n";
while (<CONF>) {
if (/^#/) {
next;
}
if (/\@include:\s+(.*)$/) {
push @configs, $1;
}
if (/^partition-(.*):\s*(.*)$/) {
$parts{$1} = $2;
}
if (/^metapartition-(.*):\s*(.*)$/) {
$mparts{$1} = $2;
}
if (/^metapartition_files:\s*(.*)$/) {
# split the list of files and make a hash
@metafiles = split(/\s+/, $1);
foreach $file (@metafiles) {
$mfiles{$file} = 1;
}
}
}
print "done\n";
close CONF;
}
$imapdconf = shift || "/etc/imapd.conf";
$yn = "y";
%parts = (); # start with empty partition hash
%mparts = (); # start with empty metapartition hash
%mfiles = (); # start with empty metapartition_files hash
push @configs, $imapdconf;
while ($conf = shift @configs) {
read_conf($conf);
}
if (!keys(%mfiles)) {
print "no metapartition_files option in $imapdconf\n";
exit 1;
}
# process each subdir, recursing if necessary
sub migrate {
my $part = shift;
my $mpart = shift;
my $path = shift;
local *DIR;
opendir DIR, $part . $path;
while ($subdir = readdir DIR) {
my $subpath = $path . "/" . $subdir;
# skip message files, '.' and '..'
next if ( $subdir =~ /^[0-9]+\.$/ ||
$subdir =~ /^\.\.$/ ||
$subdir =~ /^\.$/ );
# skip special subdirs
next if ( $subpath =~ /^\/socket$/ ||
$subpath =~ /^\/stage\.$/ ||
$subpath =~ /^\/sync\.$/ );
if ($subdir =~ /^cyrus\.(.+)/s) {
# cyrus.* file, see if we should migrate it
if (defined($mfiles{$1})) {
copy($part . $subpath, $mpart . $subpath) ||
ouch "couldn't copy $part$subpath to $mpart$subpath";
unlink($part . $subpath) ||
ouch "couldn't delete $part$subpath";
}
}
else {
# this is a mailbox subdir, process it
mkdir($mpart . $subpath, 0700) ||
ouch "couldn't create $mpart$subpath";
migrate($part, $mpart, $subpath);
}
}
closedir DIR;
}
# *** now for each data partition
while (($name,$part) = each(%parts)) {
my $mpart = $mparts{$name};
if (!defined($mpart)) { next; } # no corresponding metapartition, skip it
if ($interactive) {
print "upgrade $part? ";
$yn = <STDIN>;
}
if ($yn =~ /^y/) {
print "upgrading data partition $part...";
migrate($part, $mpart, "");
}
print "done\n";
}

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migrate-metadata (5 KB)

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