[pve-devel] [PATCH storage v5 01/12] storage: test: split archive format/compressor
Alwin Antreich
a.antreich at proxmox.com
Tue Apr 28 15:58:13 CEST 2020
detection into separate functions so they are reusable and easier
modifiable. This patch also adds the test for archive_info.
Signed-off-by: Alwin Antreich <a.antreich at proxmox.com>
---
test/Makefile | 5 +-
PVE/Storage.pm | 79 +++++++++++++++++-------
test/archive_info_test.pm | 125 ++++++++++++++++++++++++++++++++++++++
test/run_plugin_tests.pl | 12 ++++
4 files changed, 199 insertions(+), 22 deletions(-)
create mode 100644 test/archive_info_test.pm
create mode 100755 test/run_plugin_tests.pl
diff --git a/test/Makefile b/test/Makefile
index 833a597..c54b10f 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,6 +1,6 @@
all: test
-test: test_zfspoolplugin test_disklist test_bwlimit
+test: test_zfspoolplugin test_disklist test_bwlimit test_plugin
test_zfspoolplugin: run_test_zfspoolplugin.pl
./run_test_zfspoolplugin.pl
@@ -10,3 +10,6 @@ test_disklist: run_disk_tests.pl
test_bwlimit: run_bwlimit_tests.pl
./run_bwlimit_tests.pl
+
+test_plugin: run_plugin_tests.pl
+ ./run_plugin_tests.pl
diff --git a/PVE/Storage.pm b/PVE/Storage.pm
index 0848176..bdd6ebc 100755
--- a/PVE/Storage.pm
+++ b/PVE/Storage.pm
@@ -1351,6 +1351,53 @@ sub foreach_volid {
}
}
+sub decompressor_info {
+ my ($format, $comp) = @_;
+
+ if ($format eq 'tgz' && !defined($comp)) {
+ ($format, $comp) = ('tar', 'gz');
+ }
+
+ my $decompressor = {
+ tar => {
+ gz => ['tar', '-z'],
+ lzo => ['tar', '--lzop'],
+ },
+ vma => {
+ gz => ['zcat'],
+ lzo => ['lzop', '-d', '-c'],
+ },
+ };
+
+ die "ERROR: archive format not defined\n"
+ if !defined($decompressor->{$format});
+
+ my $decomp = $decompressor->{$format}->{$comp} if $comp;
+
+ my $info = {
+ format => $format,
+ compression => $comp,
+ decompressor => $decomp,
+ };
+
+ return $info;
+}
+
+sub archive_info {
+ my ($archive) = shift;
+ my $info;
+
+ my $volid = basename($archive);
+ if ($volid =~ /vzdump-(lxc|openvz|qemu)-\d+-(?:\d{4})_(?:\d{2})_(?:\d{2})-(?:\d{2})_(?:\d{2})_(?:\d{2})\.(tgz$|tar|vma)(?:\.(gz|lzo))?$/) {
+ $info = decompressor_info($2, $3);
+ $info->{type} = $1;
+ } else {
+ die "ERROR: couldn't determine format and compression type\n";
+ }
+
+ return $info;
+}
+
sub extract_vzdump_config_tar {
my ($archive, $conf_re) = @_;
@@ -1396,16 +1443,12 @@ sub extract_vzdump_config_vma {
};
+ my $info = archive_info($archive);
+ $comp //= $info->{compression};
+ my $decompressor = $info->{decompressor};
+
if ($comp) {
- my $uncomp;
- if ($comp eq 'gz') {
- $uncomp = ["zcat", $archive];
- } elsif ($comp eq 'lzo') {
- $uncomp = ["lzop", "-d", "-c", $archive];
- } else {
- die "unknown compression method '$comp'\n";
- }
- $cmd = [$uncomp, ["vma", "config", "-"]];
+ $cmd = [ [@$decompressor, $archive], ["vma", "config", "-"] ];
# in some cases, lzop/zcat exits with 1 when its stdout pipe is
# closed early by vma, detect this and ignore the exit code later
@@ -1455,20 +1498,14 @@ sub extract_vzdump_config {
}
my $archive = abs_filesystem_path($cfg, $volid);
+ my $info = archive_info($archive);
+ my $format = $info->{format};
+ my $comp = $info->{compression};
+ my $type = $info->{type};
- if ($volid =~ /vzdump-(lxc|openvz)-\d+-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2})\.(tgz|(tar(\.(gz|lzo))?))$/) {
+ if ($type eq 'lxc' || $type eq 'openvz') {
return extract_vzdump_config_tar($archive, qr!^(\./etc/vzdump/(pct|vps)\.conf)$!);
- } elsif ($volid =~ /vzdump-qemu-\d+-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2})\.(tgz|((tar|vma)(\.(gz|lzo))?))$/) {
- my $format;
- my $comp;
- if ($7 eq 'tgz') {
- $format = 'tar';
- $comp = 'gz';
- } else {
- $format = $9;
- $comp = $11 if defined($11);
- }
-
+ } elsif ($type eq 'qemu') {
if ($format eq 'tar') {
return extract_vzdump_config_tar($archive, qr!\(\./qemu-server\.conf\)!);
} else {
diff --git a/test/archive_info_test.pm b/test/archive_info_test.pm
new file mode 100644
index 0000000..c9bb1b7
--- /dev/null
+++ b/test/archive_info_test.pm
@@ -0,0 +1,125 @@
+package PVE::Storage::TestArchiveInfo;
+
+use strict;
+use warnings;
+
+use lib qw(..);
+
+use PVE::Storage;
+use Test::More;
+
+my $vmid = 16110;
+
+# an array of test cases, each test is comprised of the following keys:
+# description => to identify a single test
+# archive => the input filename for archive_info
+# expected => the hash that archive_info returns
+#
+# most of them are created further below
+my $tests = [
+ # backup archives
+ {
+ description => 'Backup archive, lxc, tgz',
+ archive => "backup/vzdump-lxc-$vmid-2020_03_30-21_39_30.tgz",
+ expected => {
+ 'type' => 'lxc',
+ 'format' => 'tar',
+ 'decompressor' => ['tar', '-z'],
+ 'compression' => 'gz',
+ },
+ },
+ {
+ description => 'Backup archive, openvz, tgz',
+ archive => "backup/vzdump-openvz-$vmid-2020_03_30-21_39_30.tgz",
+ expected => {
+ 'type' => 'openvz',
+ 'format' => 'tar',
+ 'decompressor' => ['tar', '-z'],
+ 'compression' => 'gz',
+ },
+ },
+];
+
+# add new compression fromats to test
+my $decompressor = {
+ tar => {
+ gz => ['tar', '-z'],
+ lzo => ['tar', '--lzop'],
+ },
+ vma => {
+ gz => ['zcat'],
+ lzo => ['lzop', '-d', '-c'],
+ },
+};
+
+my $bkp_suffix = {
+ qemu => [ 'vma', $decompressor->{vma}, ],
+ lxc => [ 'tar', $decompressor->{tar}, ],
+ openvz => [ 'tar', $decompressor->{tar}, ],
+};
+
+# create more test cases for backup files matches
+foreach my $virt (keys %$bkp_suffix) {
+ my ($format, $decomp) = @{ $bkp_suffix->{$virt} };
+
+ foreach my $suffix (keys %$decomp) {
+ my @arr = (
+ {
+ description => "Backup archive, $virt, $format.$suffix",
+ archive => "backup/vzdump-$virt-$vmid-2020_03_30-21_12_40.$format.$suffix",
+ expected => {
+ 'type' => "$virt",
+ 'format' => "$format",
+ 'decompressor' => $decomp->{$suffix},
+ 'compression' => "$suffix",
+ },
+ },
+ );
+
+ push @$tests, @arr;
+ }
+}
+
+
+# add compression formats to test failed matches
+my $non_bkp_suffix = {
+ 'openvz' => [ 'zip', 'tgz.lzo', 'tar.bz2', 'zip.gz', '', ],
+ 'lxc' => [ 'zip', 'tgz.lzo', 'tar.bz2', 'zip.gz', '', ],
+ 'qemu' => [ 'vma.xz', 'vms.gz', '', ],
+ 'none' => [ 'tar.gz', ],
+};
+
+# create tests for failed matches
+foreach my $virt (keys %$non_bkp_suffix) {
+ my $suffix = $non_bkp_suffix->{$virt};
+ foreach my $s (@$suffix) {
+ my @arr = (
+ {
+ description => "Failed match: Backup archive, $virt, $s",
+ archive => "backup/vzdump-$virt-$vmid-2020_03_30-21_12_40.$s",
+ expected => "ERROR: couldn't determine format and compression type\n",
+ },
+ );
+
+ push @$tests, @arr;
+ }
+}
+
+
+plan tests => scalar @$tests;
+
+# run through tests array
+foreach my $tt (@$tests) {
+ my $description = $tt->{description};
+ my $archive = $tt->{archive};
+ my $expected = $tt->{expected};
+ my $got;
+ eval { $got = PVE::Storage::archive_info($archive) };
+ $got = $@ if $@;
+
+ is_deeply($got, $expected, $description) || diag(explain($got));
+}
+
+done_testing();
+
+1;
diff --git a/test/run_plugin_tests.pl b/test/run_plugin_tests.pl
new file mode 100755
index 0000000..6568752
--- /dev/null
+++ b/test/run_plugin_tests.pl
@@ -0,0 +1,12 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use TAP::Harness;
+
+my $harness = TAP::Harness->new( { verbosity => -1 });
+my $res = $harness->runtests("archive_info_test.pm");
+
+exit -1 if !$res || $res->{failed} || $res->{parse_errors};
+
--
2.20.1
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