--- /dev/null
+#! @PERL@
+# Copyright (c) 2009, 2010 Zmanda, Inc. All Rights Reserved.
+#
+# 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
+#
+# Contact information: Zmanda Inc., 465 S. Mathilda Ave., Suite 300
+# Sunnyvale, CA 94086, USA, or: http://www.zmanda.com
+
+use lib '@amperldir@';
+use strict;
+
+use File::Basename;
+use Getopt::Long;
+use Text::Wrap;
+
+use Amanda::Device qw( :constants );
+use Amanda::Debug qw( :logging );
+use Amanda::Config qw( :init :getconf config_dir_relative );
+use Amanda::Util qw( :constants );
+use Amanda::Changer;
+use Amanda::Header qw( :constants );
+use Amanda::MainLoop;
+use Amanda::Tapelist;
+
+my $exit_status = 0;
+
+##
+# Subcommand handling
+
+my %subcommands;
+
+sub usage {
+ print STDERR "Usage: amlabel <conf> <label> [slot <slot-number>] "
+ . "[-f] [-o configoption]*\n";
+ exit(1);
+}
+
+Amanda::Util::setup_application("amlabel", "server", $CONTEXT_CMDLINE);
+
+my $config_overrides = new_config_overrides($#ARGV+1);
+my ($opt_force, $opt_config, $opt_slot, $opt_label);
+
+$opt_force = 0;
+Getopt::Long::Configure(qw(bundling));
+GetOptions(
+ 'help|usage|?' => \&usage,
+ 'o=s' => sub { add_config_override_opt($config_overrides, $_[1]); },
+ 'f' => \$opt_force,
+ 'version' => \&Amanda::Util::version_opt,
+) or usage();
+
+if (@ARGV == 2) {
+ $opt_slot = undef;
+} elsif (@ARGV == 4 and $ARGV[2] eq 'slot') {
+ $opt_slot = $ARGV[3];
+} else {
+ usage();
+}
+
+$opt_config = $ARGV[0];
+$opt_label = $ARGV[1];
+
+set_config_overrides($config_overrides);
+config_init($CONFIG_INIT_EXPLICIT_NAME, $opt_config);
+my ($cfgerr_level, @cfgerr_errors) = config_errors();
+if ($cfgerr_level >= $CFGERR_WARNINGS) {
+ config_print_errors();
+ if ($cfgerr_level >= $CFGERR_ERRORS) {
+ print STDERR "errors processing config file";
+ exit 1;
+ }
+}
+
+Amanda::Util::finish_setup($RUNNING_AS_DUMPUSER);
+
+my ($tlf, $tl, $res);
+
+sub failure {
+ my ($msg, $finished_cb) = @_;
+ print STDERR "$msg\n";
+ $exit_status = 1;
+ if ($res) {
+ $res->release(finished_cb => sub {
+ # ignore error
+ $finished_cb->()
+ });
+ } else {
+ $finished_cb->();
+ }
+}
+
+sub main {
+ my ($finished_cb) = @_;
+
+ my $steps = define_steps
+ cb_ref => \$finished_cb;
+
+ step start => sub {
+ my $labelstr = getconf($CNF_LABELSTR);
+ if ($opt_label !~ /$labelstr/) {
+ return failure("Label '$opt_label' doesn't match labelstr '$labelstr'.", $finished_cb);
+ }
+
+ $tlf = Amanda::Config::config_dir_relative(getconf($CNF_TAPELIST));
+ $tl = Amanda::Tapelist::read_tapelist($tlf);
+ if (!defined $tl) {
+ return failure("Can't load tapelist file ($tlf)", $finished_cb);
+ }
+ if (!$opt_force) {
+ if ($tl->lookup_tapelabel($opt_label)) {
+ return failure("Label '$opt_label' already on a volume", $finished_cb);
+ }
+ }
+
+ $steps->{'load'}->();
+ };
+
+ step load => sub {
+ my $chg = Amanda::Changer->new();
+
+ return failure($chg, $finished_cb)
+ if $chg->isa("Amanda::Changer::Error");
+
+ print "Reading label...\n";
+ if ($opt_slot) {
+ $chg->load(slot => $opt_slot, mode => "write",
+ res_cb => $steps->{'loaded'});
+ } else {
+ $chg->load(relative_slot => "current", mode => "write",
+ res_cb => $steps->{'loaded'});
+ }
+ };
+
+ step loaded => sub {
+ (my $err, $res) = @_;
+
+ return failure($err, $finished_cb) if $err;
+
+ my $dev = $res->{'device'};
+ my $dev_ok = 1;
+ if ($dev->status & $DEVICE_STATUS_VOLUME_UNLABELED) {
+ if (!$dev->volume_header or $dev->volume_header->{'type'} == $F_EMPTY) {
+ print "Found an empty tape.\n";
+ } else {
+ # force is required for non-Amanda tapes
+ print "Found a non-Amanda tape.\n";
+ $dev_ok = 0 unless ($opt_force);
+ }
+ } elsif ($dev->status & $DEVICE_STATUS_VOLUME_ERROR) {
+ # it's OK to force through VOLUME_ERROR
+ print "Error reading volume label: " . $dev->error_or_status(), "\n";
+ $dev_ok = 0 unless ($opt_force);
+ } elsif ($dev->status != $DEVICE_STATUS_SUCCESS) {
+ # but anything else is fatal
+ print "Error reading volume label: " . $dev->error_or_status(), "\n";
+ $dev_ok = 0;
+ } else {
+ # this is a labeled Amanda tape
+ my $label = $dev->volume_label;
+ my $labelstr = getconf($CNF_LABELSTR);
+
+ if ($label !~ /$labelstr/) {
+ print "Found label '$label', but it is not from configuration " .
+ "'" . Amanda::Config::get_config_name() . "'.\n";
+ $dev_ok = 0 unless ($opt_force);
+ } elsif ($tl->lookup_tapelabel($label)) {
+ print "Volume with label '$label' is active and contains data from this configuration.\n";
+ if ($opt_force) {
+ # if -f, then the user should clean things up..
+ print "Consider using 'amrmtape' to remove volume '$label' from the catalog.\n";
+ # note that we don't run amrmtape automatically, as it could result in data loss when
+ # multiple volumes have (perhaps accidentally) the same label
+ } else {
+ $dev_ok = 0
+ }
+ } else {
+ print "Found Amanda volume '$label'.\n";
+ }
+ }
+
+ if ($dev_ok) {
+ print "Writing label '$opt_label'...\n";
+
+ if (!$dev->start($ACCESS_WRITE, $opt_label, "X")) {
+ return failure("Error writing label: " . $dev->error_or_status(), $finished_cb);
+ } elsif (!$dev->finish()) {
+ return failure("Error finishing device: " . $dev->error_or_status(), $finished_cb);
+ }
+
+ print "Checking label...\n";
+ my $status = $dev->read_label();
+ if ($status != $DEVICE_STATUS_SUCCESS) {
+ return failure("Checking the tape label failed: " . $dev->error_or_status(),
+ $finished_cb);
+ } elsif (!$dev->volume_label) {
+ return failure("No label found.", $finished_cb);
+ } elsif ($dev->volume_label ne $opt_label) {
+ my $got = $dev->volume_label;
+ return failure("Read back a different label: got '$got', but expected '$opt_label'",
+ $finished_cb);
+ } elsif ($dev->volume_time ne "X") {
+ my $got = $dev->volume_time;
+ return failure("Read back a different timetstamp: got '$got', but expected 'X'",
+ $finished_cb);
+ }
+
+ # update the tapelist
+ $tl->remove_tapelabel($opt_label);
+ $tl->add_tapelabel("0", $opt_label, undef);
+ $tl->write($tlf);
+
+ print "Success!\n";
+
+ # notify the changer
+ $res->set_label(label => $opt_label, finished_cb => $steps->{'labeled'});
+ } else {
+ return failure("Volume not labeled.", $finished_cb);
+ }
+ };
+
+ step labeled => sub {
+ my ($err) = @_;
+ return failure($err, $finished_cb) if $err;
+
+ $res->release(finished_cb => $steps->{'released'});
+ };
+
+ step released => sub {
+ my ($err) = @_;
+ return failure($err, $finished_cb) if $err;
+
+ $finished_cb->();
+ };
+}
+main(\&Amanda::MainLoop::quit);
+Amanda::MainLoop::run();
+Amanda::Util::finish_application();
+exit($exit_status);
projects / debian / amanda / blobdiff