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# Copyright (c) 2008, 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 Test::More tests => 31;
use File::Path;
use strict;
use warnings;
use lib "@amperldir@";
use Installcheck;
use Installcheck::Config;
use Installcheck::Run;
use Installcheck::Changer;
use Amanda::Paths;
use Amanda::Device;
use Amanda::Debug qw( :logging );
use Amanda::MainLoop;
use Amanda::Config qw( :init :getconf config_dir_relative );
use Amanda::Changer;
# set up debugging so debug output doesn't interfere with test results
Amanda::Debug::dbopen("installcheck");
Installcheck::log_test_output();
# and disable Debug's die() and warn() overrides
Amanda::Debug::disable_die_override();
my $changer_filename = "$Installcheck::TMP/chg-test";
my $result_file = "$Installcheck::TMP/chg-test.result";
# Set up a 'test' changer; several of these are defined below.
sub setup_changer {
my ($changer_script) = @_;
open my $chg_test, ">", $changer_filename or die("Could not create test changer");
$changer_script =~ s/\$Installcheck::TMP/$Installcheck::TMP/g;
print $chg_test "#! /bin/sh\n";
print $chg_test $changer_script;
close $chg_test;
chmod 0755, $changer_filename;
}
# slurp the $result_file
sub slurp_result {
return '' unless (-r $result_file);
open(my $fh, "<", $result_file) or die("open $result_file: $!");
my $result = do { local $/; <$fh> };
close($fh);
return $result;
}
# Functions to invoke the changer and later verify the result
my ($check_res_cb, $check_finished_cb);
{
my $expected_err_info;
my $expected_dev;
my $msg;
my $quit;
$check_res_cb = make_cb('check_res_cb' => sub {
my ($err, $res) = @_;
if ($err) {
if (defined($expected_err_info)) {
chg_err_like($err, $expected_err_info, $msg);
} else {
fail($msg);
diag("Unexpected error: $err");
}
} else {
if (defined($expected_dev)) {
is($res->{'device'}->device_name, $expected_dev, $msg);
} else {
fail($msg);
diag("Unexpected reservation");
}
}
if ($res) {
$res->release(finished_cb => $quit);
} else {
$quit->();
}
});
$check_finished_cb = make_cb('check_finished_cb' => sub {
my ($err, $res) = @_;
if ($err) {
if (defined($expected_err_info)) {
chg_err_like($err, $expected_err_info, $msg);
} else {
fail($msg);
diag("Unexpected error: $err");
}
} else {
if (!defined($expected_err_info)) {
pass($msg);
} else {
fail($msg);
diag("Unexpected success");
}
}
if ($res) {
$res->release(finished_cb => $quit);
} else {
$quit->();
}
});
$quit = make_cb(quit => sub {
my ($err) = @_;
die $err if $err;
Amanda::MainLoop::quit();
});
sub try_run_changer {
my $sub;
($sub, $expected_err_info, $expected_dev, $msg) = @_;
Amanda::MainLoop::call_later($sub);
Amanda::MainLoop::run();
}
}
# OK, let's get started with some simple stuff
setup_changer <<'EOC';
case "${1}" in
-slot)
case "${2}" in
1) echo "1 null:fake1"; exit 0;;
2) echo "<ignored> slot 2 is empty"; exit 1;;
3) echo "1"; exit 0;; # test missing 'device' portion
4) echo "1 bogus:dev"; exit 0;;
5) echo "<error> multiline error"; echo "line 2"; exit 1;;
current) echo "1 null:current"; exit 0;;
next) echo "1 null:next"; exit 0;;
esac;;
-reset)
echo "reset" > $Installcheck::TMP/chg-test.result
echo "reset ignored";;
-eject)
echo "eject" > $Installcheck::TMP/chg-test.result
echo "eject ignored";;
-clean)
echo "clean" > $Installcheck::TMP/chg-test.result
echo "clean ignored";;
-label)
case "${2}" in
foo?bar) echo "1 ok"; exit 0;;
*) echo "<error> bad label"; exit 1;;
esac;;
-info) echo "7 10 1 1"; exit 0;;
-search)
case "${2}" in
TAPE?01) echo "5 null:fakedev"; exit 0;;
fatal) echo "<error> game over"; exit 2;;
*) echo "<error> not found"; exit 1;;
esac;;
esac
EOC
# set up a config for this changer, implicitly using Amanda::Changer::Compat
my $testconf;
$testconf = Installcheck::Config->new();
$testconf->add_param("tpchanger", "\"$changer_filename\"");
$testconf->write();
my $cfg_result = config_init($CONFIG_INIT_EXPLICIT_NAME, 'TESTCONF');
if ($cfg_result != $CFGERR_OK) {
my ($level, @errors) = Amanda::Config::config_errors();
die(join "\n", @errors);
}
my $chg = Amanda::Changer->new();
die($chg) if $chg->isa("Amanda::Changer::Error");
is($chg->have_inventory(), '', "changer have inventory");
try_run_changer(
sub { $chg->load(label => 'TAPE-01', res_cb => $check_res_cb); },
undef,
"null:fakedev",
"search by label succeeds");
try_run_changer(
sub { $chg->load(label => 'TAPE-99', res_cb => $check_res_cb); },
{ message => "not found", type => 'failed', reason => 'notfound' },
undef,
"search by label; nonexistent tape");
try_run_changer(
sub { $chg->load(slot => '1', res_cb => $check_res_cb); },
undef,
"null:fake1",
"search by slot");
try_run_changer(
sub { $chg->load(slot => '2', res_cb => $check_res_cb); },
{ message => "slot 2 is empty", type => 'failed', reason => 'notfound' },
undef,
"search by slot; empty slot");
try_run_changer(
sub { $chg->load(slot => '3', res_cb => $check_res_cb); },
{ message => "changer script did not provide a device name", type => 'fatal' },
undef,
"search by slot; no device in response");
try_run_changer(
sub { $chg->load(slot => '1', res_cb => $check_res_cb); },
{ message => "changer script did not provide a device name", type => 'fatal' },
undef,
"fatal error is sticky");
$chg->{'fatal_error'} = undef; # reset the fatal error
try_run_changer(
sub { $chg->load(slot => '4', res_cb => $check_res_cb); },
{ message => "opening 'bogus:dev': Device type bogus is not known.",
type => 'failed',
reason => 'device' },
undef,
"search by slot; bogus device leads to 'failed' error");
$chg->{'fatal_error'} = undef; # reset the fatal error
try_run_changer(
sub { $chg->load(slot => '5', res_cb => $check_res_cb); },
{ message => "multiline error\nline 2",
type => 'failed',
reason => 'notfound' },
undef,
"multiline error response captured in its entirety");
$chg->{'fatal_error'} = undef; # reset the fatal error
try_run_changer(
sub { $chg->load(label => 'fatal', res_cb => $check_res_cb); },
{ message => "game over", type => 'fatal' },
undef,
"search by label with fatal error");
# reset the fatal error
$chg->{'fatal_error'} = undef;
try_run_changer(
sub { $chg->eject(finished_cb => $check_finished_cb); },
undef, undef, "chg->eject doesn't fail");
like(slurp_result(), qr/eject/, ".. and calls chg-test -eject");
try_run_changer(
sub { $chg->reset(finished_cb => $check_finished_cb); },
undef, undef, "chg->reset doesn't fail");
like(slurp_result(), qr/reset/, ".. and calls chg-test -reset");
try_run_changer(
sub { $chg->clean(finished_cb => $check_finished_cb); },
undef, undef, "chg->clean doesn't fail");
like(slurp_result(), qr/clean/, ".. and calls chg-test -clean");
try_run_changer(
sub { $chg->update(finished_cb => $check_finished_cb); },
undef, undef, "chg->update doesn't fail");
try_run_changer(
sub { $chg->inventory(inventory_cb => $check_finished_cb); },
{ message => "'chg-compat:' does not support inventory",
type => 'failed', reason => 'notimpl' },
undef,
"inventory not implemented");
# make sure only one reservation can be held at once
{
my $first_res;
my ($load_1, $load_2, $check_load_2, $check_eject);
$load_1 = make_cb('load_1' => sub {
$chg->load(slot => 1, res_cb => $load_2);
});
$load_2 = make_cb('load_2' => sub {
my ($err, $res) = @_;
die $err if ($err);
# keep this in scope through the next load
$first_res = $res;
$chg->load(slot => 2, res_cb => $check_load_2);
});
$check_load_2 = make_cb('check_load_2' => sub {
my ($err, $res) = @_;
like($err, qr/Changer is already reserved/,
"mulitple simultaneous reservations not alowed");
$first_res->release(eject => 1, finished_cb => $check_eject);
});
$check_eject = make_cb('check_eject' => sub {
my ($err) = @_;
ok(!defined $err, "release with eject succeeds");
like(slurp_result(), qr/eject/, "..and calls chg-test -eject");
Amanda::MainLoop::quit();
});
$load_1->();
Amanda::MainLoop::run();
}
## check chg-disk
# Installcheck::Run sets up the whole chg-disk thing for us
$testconf = Installcheck::Run::setup();
$testconf->write();
$cfg_result = config_init($CONFIG_INIT_EXPLICIT_NAME, 'TESTCONF');
if ($cfg_result != $CFGERR_OK) {
my ($level, @errors) = Amanda::Config::config_errors();
die(join "\n", @errors);
}
$chg->quit();
$chg = Amanda::Changer->new();
die($chg) if $chg->isa("Amanda::Changer::Error");
{
my $res;
my ($get_info, $load_current, $label_current, $load_next,
$released1, $release_next, $load_by_label, $check_by_label);
$get_info = make_cb('get_info' => sub {
$chg->info(info_cb => $load_current, info => [ 'num_slots', 'fast_search' ]);
});
$load_current = make_cb('load_current' => sub {
my $err = shift;
my %results = @_;
die($err) if defined($err);
is_deeply({ %results },
{ num_slots => 3, fast_search => 0 }, # old chg-disk is not searchable
"info() returns the correct num_slots and fast_search");
$chg->load(slot => "1", res_cb => $label_current);
});
$label_current = make_cb('label_current' => sub {
(my $err, $res) = @_;
die $err if ($err);
pass("seek to current slot succeeded");
my $dev = $res->{'device'};
$dev->start($Amanda::Device::ACCESS_WRITE, "TESTCONF18", undef)
or die $dev->error_or_status();
$dev->finish()
or die $dev->error_or_status();
is($res->{'this_slot'}, "1", "this slot is '1'");
$res->set_label(label => "TESTCONF18", finished_cb => $load_next);
});
$load_next = make_cb('load_next' => sub {
my ($err) = @_;
die $err if ($err);
pass("set_label succeeded");
$res->release(finished_cb => $released1);
});
$released1 = make_cb(released1 => sub {
my ($err) = @_;
die $err if $err;
$chg->load(relative_slot => "next", res_cb => $release_next);
});
$release_next = make_cb('release_next' => sub {
(my $err, $res) = @_;
die $err if ($err);
pass("load relative slot 'next' succeeded");
$res->release(finished_cb => $load_by_label);
});
$load_by_label = make_cb('load_by_label' => sub {
my ($err) = @_;
die $err if ($err);
pass("release loaded");
$chg->load(label => "TESTCONF18", res_cb => $check_by_label);
});
$check_by_label = make_cb('check_by_label' => sub {
(my $err, $res) = @_;
die $err if ($err);
pass("load by label succeeded");
my $dev = $res->{'device'};
$dev->read_label() == 0
or die $dev->error_or_status();
is($dev->volume_label(), "TESTCONF18",
"..and finds the right volume");
$res->release(finished_cb => sub {
my ($err) = @_;
die $err if $err;
Amanda::MainLoop::quit();
});
});
$get_info->();
Amanda::MainLoop::run();
}
$chg->quit();
# test two simultaneous invocations of info()
$chg = Amanda::Changer->new();
die($chg) if $chg->isa("Amanda::Changer::Error");
sub test_get_infos {
my ($finished_cb) = @_;
my $n_info_results = 0;
my $steps = define_steps
cb_ref => \$finished_cb;
step get_infos => sub {
# convince the changer that it has not gotten any info yet
$chg->{'got_info'} = 0;
$chg->info(info_cb => $steps->{'got_info_result'}, info => [ 'num_slots' ]);
$chg->info(info_cb => $steps->{'got_info_result'}, info => [ 'fast_search' ]);
};
step got_info_result => sub {
my ($err, %info) = @_;
die $err if $err;
++$n_info_results;
if ($n_info_results >= 2) {
pass("two simultaneous info() invocations are successful");
$finished_cb->();
}
};
}
test_get_infos(\&Amanda::MainLoop::quit);
Amanda::MainLoop::run();
# scan the changer using except_slots
sub test_except_slots {
my ($finished_cb) = @_;
my $slot;
my %except_slots;
my $steps = define_steps
cb_ref => \$finished_cb;
step start => sub {
$chg->load(relative_slot => "current",
except_slots => { %except_slots },
res_cb => $steps->{'loaded'});
};
step loaded => sub {
my ($err, $res) = @_;
if ($err) {
if ($err->notfound) {
# this means the scan is done
return $steps->{'quit'}->();
} elsif ($err->volinuse and defined $err->{'slot'}) {
$slot = $err->{'slot'};
} else {
die $err;
}
} else {
$slot = $res->{'this_slot'};
}
$except_slots{$slot} = 1;
if ($res) {
$res->release(finished_cb => $steps->{'released'});
} else {
$steps->{'released'}->();
}
};
step released => sub {
my ($err) = @_;
die $err if $err;
$chg->load(relative_slot => 'next', slot => $slot,
except_slots => { %except_slots },
res_cb => $steps->{'loaded'});
};
step quit => sub {
is_deeply({ %except_slots }, { 1=>1, 2=>1, 3=>1 },
"scanning with except_slots works");
$finished_cb->();
};
}
test_except_slots(\&Amanda::MainLoop::quit);
Amanda::MainLoop::run();
$chg->quit();
unlink($changer_filename);
unlink($result_file);
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