use PublicInbox::Inbox;
use PublicInbox::OverIdxFork;
use PublicInbox::Msgmap;
+use PublicInbox::Spawn;
use IO::Handle;
# an estimate of the post-packed size to the raw uncompressed size
lock_path => "$dir/inbox.lock",
# limit each repo to 1GB or so
rotate_bytes => int((1024 * 1024 * 1024) / $PACKING_FACTOR),
+ last_commit => [],
};
bless $self, $class;
}
my $nparts = $self->{partitions};
my $part = $num % $nparts;
+ $self->{last_commit}->[$self->{max_git}] = $cmt;
my $idx = $self->idx_part($part);
$idx->index_raw($len, $msgref, $num, $oid, $mid0, $mime);
my $n = $self->{transact_bytes} += $len;
$self->checkpoint;
}
- $mime;
+ $cmt;
}
sub num_for {
my $purges = [];
foreach my $i (0..$self->{max_git}) {
my $git = PublicInbox::Git->new("$pfx/$i.git");
- my $im = $self->import_init($git, 0);
+ my $im = $self->import_init($git, 0, 1);
$purges->[$i] = $im->purge_oids($purge);
}
$purges;
# can be slightly different, so we do not need the user-supplied
# message now that we have the mids and content_id
$mime = undef;
+ my $mark;
foreach my $mid (@$mids) {
$srch->reopen->each_smsg_by_mid($mid, sub {
if ($purge) {
$purge->{$oid} = 1;
} else {
- $im->remove(\$orig, $cmt_msg);
+ ($mark, undef) =
+ $im->remove(\$orig, $cmt_msg);
}
$orig = undef;
$removed->num; # memoize this for callers
});
$self->barrier;
}
+
+ if (defined $mark) {
+ my $cmt = $im->get_mark($mark);
+ $self->{last_commit}->[$self->{max_git}] = $cmt;
+ }
if ($purge && scalar keys %$purge) {
return purge_oids($self, $purge);
}
sub purge {
my ($self, $mime) = @_;
- remove_internal($self, $mime, undef, {});
+ my $purges = remove_internal($self, $mime, undef, {});
+ $self->idx_init if @$purges; # ->done is called on purges
+ for my $i (0..$#$purges) {
+ defined(my $cmt = $purges->[$i]) or next;
+ $self->{last_commit}->[$i] = $cmt;
+ }
+ $purges;
}
+sub set_last_commits ($) {
+ my ($self) = @_;
+ defined(my $max_git = $self->{max_git}) or return;
+ my $mm = $self->{mm};
+ my $last_commit = $self->{last_commit};
+ foreach my $i (0..$max_git) {
+ defined(my $cmt = $last_commit->[$i]) or next;
+ $last_commit->[$i] = undef;
+ $mm->last_commit_n($i, $cmt);
+ }
+}
sub done {
my ($self) = @_;
my $im = delete $self->{im};
$im->done if $im; # PublicInbox::Import::done
- if (my $mm = delete $self->{mm}) {
- $mm->{dbh}->commit;
- }
+ my $mm = $self->{mm};
+ $mm->{dbh}->commit if $mm;
# order matters, we can only close {over} after all partitions
# are done because the partitions also write to {over}
my $over = $self->{over};
$over->remote_commit;
$over->remote_close;
+
+ if ($mm) {
+ $mm->{dbh}->begin_work;
+ set_last_commits($self);
+ $mm->{dbh}->commit;
+ delete $self->{mm};
+ }
+
$self->{transact_bytes} = 0;
$self->lock_release if $parts;
}
$over->barrier_wait; # wait for each Xapian partition
$over->commit_fsync if $fsync;
+ # last_commit is special, don't commit these until
+ # remote partitions are done:
+ $dbh->begin_work;
+ set_last_commits($self);
+ $dbh->commit;
+
$dbh->begin_work;
}
$self->{transact_bytes} = 0;
}
sub import_init {
- my ($self, $git, $packed_bytes) = @_;
+ my ($self, $git, $packed_bytes, $tmp) = @_;
my $im = PublicInbox::Import->new($git, undef, undef, $self->{-inbox});
$im->{bytes_added} = int($packed_bytes / $PACKING_FACTOR);
$im->{want_object_info} = 1;
$im->{lock_path} = undef;
$im->{path_type} = 'v2';
- $self->{im} = $im;
+ $self->{im} = $im unless $tmp;
+ $im;
}
# XXX experimental
}
}
-sub reindex {
- my ($self, $regen) = @_;
+# only update last_commit for $i on reindex iff newer than current
+sub update_last_commit {
+ my ($self, $git, $i, $cmt) = @_;
+ my $last = $self->{mm}->last_commit_n($i);
+ if (defined $last && is_ancestor($git, $last, $cmt)) {
+ my @cmd = (qw(rev-list --count), "$last..$cmt");
+ chomp(my $n = $git->qx(@cmd));
+ return if $n ne '' && $n == 0;
+ }
+ $self->{mm}->last_commit_n($i, $cmt);
+}
+
+sub git_dir_n ($$) { "$_[0]->{-inbox}->{mainrepo}/git/$_[1].git" }
+
+sub last_commits {
+ my ($self, $max_git) = @_;
+ my $heads = [];
+ for (my $i = $max_git; $i >= 0; $i--) {
+ $heads->[$i] = $self->{mm}->last_commit_n($i);
+ }
+ $heads;
+}
+
+sub is_ancestor ($$$) {
+ my ($git, $cur, $tip) = @_;
+ return 0 unless $git->check($cur);
+ my $cmd = [ 'git', "--git-dir=$git->{git_dir}",
+ qw(merge-base --is-ancestor), $cur, $tip ];
+ my $pid = spawn($cmd);
+ defined $pid or die "spawning ".join(' ', @$cmd)." failed: $!";
+ waitpid($pid, 0) == $pid or die join(' ', @$cmd) .' did not finish';
+ $? == 0;
+}
+
+sub index_prepare {
+ my ($self, $opts, $max_git, $ranges) = @_;
+ my $regen_max = 0;
+ my $head = $self->{-inbox}->{ref_head} || 'refs/heads/master';
+ for (my $i = $max_git; $i >= 0; $i--) {
+ die "already indexing!\n" if $self->{index_pipe};
+ my $git_dir = git_dir_n($self, $i);
+ -d $git_dir or next; # missing parts are fine
+ my $git = PublicInbox::Git->new($git_dir);
+ chomp(my $tip = $git->qx('rev-parse', $head));
+ my $range;
+ if (defined(my $cur = $ranges->[$i])) {
+ $range = "$cur..$tip";
+ if (is_ancestor($git, $cur, $tip)) { # common case
+ my $n = $git->qx(qw(rev-list --count), $range);
+ chomp($n);
+ if ($n == 0) {
+ $ranges->[$i] = undef;
+ next;
+ }
+ } else {
+ warn <<"";
+discontiguous range: $range
+Rewritten history? (in $git_dir)
+
+ my $base = $git->qx('merge-base', $tip, $cur);
+ chomp $base;
+ if ($base) {
+ $range = "$base..$tip";
+ warn "found merge-base: $base\n"
+ } else {
+ $range = $tip;
+ warn <<"";
+discarding history at $cur
+
+ }
+ warn <<"";
+reindexing $git_dir starting at
+$range
+
+ $self->{"unindex-range.$i"} = "$base..$cur";
+ }
+ } else {
+ $range = $tip; # all of it
+ }
+ $ranges->[$i] = $range;
+
+ # can't use 'rev-list --count' if we use --diff-filter
+ my $fh = $git->popen(qw(log --pretty=tformat:%h
+ --no-notes --no-color --no-renames
+ --diff-filter=AM), $range, '--', 'm');
+ ++$regen_max while <$fh>;
+ }
+ \$regen_max;
+}
+
+sub unindex_oid {
+ my ($self, $git, $oid) = @_;
+ my $msgref = $git->cat_file($oid);
+ my $mime = PublicInbox::MIME->new($msgref);
+ my $mids = mids($mime->header_obj);
+ $mime = $msgref = undef;
+
+ foreach my $mid (@$mids) {
+ my %gone;
+ $self->{-inbox}->search->reopen->each_smsg_by_mid($mid, sub {
+ my ($smsg) = @_;
+ $smsg->load_expand;
+ $gone{$smsg->num} = 1 if $oid eq $smsg->{blob};
+ 1; # continue
+ });
+ my $n = scalar keys %gone;
+ next unless $n;
+ if ($n > 1) {
+ warn "BUG: multiple articles linked to $oid\n",
+ join(',',sort keys %gone), "\n";
+ }
+ $self->{unindexed}->{$_}++ foreach keys %gone;
+ $_->remote_remove($oid, $mid) foreach @{$self->{idx_parts}};
+ $self->{over}->remove_oid($oid, $mid);
+ $self->barrier;
+ }
+}
+
+my $x40 = qr/[a-f0-9]{40}/;
+sub unindex {
+ my ($self, $opts, $git, $unindex_range) = @_;
+ my $un = $self->{unindexed} ||= {}; # num => removal count
+ $self->barrier;
+ my $before = scalar keys %$un;
+ my @cmd = qw(log --raw -r
+ --no-notes --no-color --no-abbrev --no-renames);
+ my $fh = $self->{reindex_pipe} = $git->popen(@cmd, $unindex_range);
+ while (<$fh>) {
+ /\A:\d{6} 100644 $x40 ($x40) [AM]\tm$/o or next;
+ $self->unindex_oid($git, $1);
+ }
+ delete $self->{reindex_pipe};
+ $fh = undef;
+
+ return unless $opts->{prune};
+ my $after = scalar keys %$un;
+ return if $before == $after;
+
+ # ensure any blob can not longer be accessed via dumb HTTP
+ PublicInbox::Import::run_die(['git', "--git-dir=$git->{git_dir}",
+ qw(-c gc.reflogExpire=now gc --prune=all)]);
+}
+
+sub index_sync {
+ my ($self, $opts) = @_;
+ $opts ||= {};
my $ibx = $self->{-inbox};
- my $pfx = "$ibx->{mainrepo}/git";
my $max_git;
my $latest = git_dir_latest($self, \$max_git);
return unless defined $latest;
- my $head = $ibx->{ref_head} || 'refs/heads/master';
$self->idx_init; # acquire lock
- my $x40 = qr/[a-f0-9]{40}/;
my $mm_tmp = $self->{mm}->tmp_clone;
- if (!$regen) {
- my (undef, $max) = $mm_tmp->minmax;
- unless (defined $max) {
- $regen = 1;
- warn
-"empty msgmap.sqlite3, regenerating article numbers\n";
- }
- }
- my $tip; # latest commit out of all git repos
- if ($regen) {
- my $regen_max = 0;
- for (my $cur = $max_git; $cur >= 0; $cur--) {
- die "already reindexing!\n" if $self->{reindex_pipe};
- my $git = PublicInbox::Git->new("$pfx/$cur.git");
- -d $git->{git_dir} or next; # missing parts are fine
- chomp($tip = $git->qx('rev-parse', $head)) unless $tip;
- my $h = $cur == $max_git ? $tip : $head;
-
- # can't use 'rev-list --count' if we use --diff-filter
- my $fh = $git->popen(qw(log --pretty=tformat:%h
- --no-notes --no-color --no-renames
- --diff-filter=AM), $h, '--', 'm');
- ++$regen_max while <$fh>;
- }
- die "No messages found in $pfx/*.git, bug?\n" unless $regen_max;
- $regen = \$regen_max;
- }
+ my $ranges = $opts->{reindex} ? [] : $self->last_commits($max_git);
+
+ my ($min, $max) = $mm_tmp->minmax;
+ my $regen = $self->index_prepare($opts, $max_git, $ranges);
+ $$regen += $max if $max;
my $D = {};
my @cmd = qw(log --raw -r --pretty=tformat:%h
--no-notes --no-color --no-abbrev --no-renames);
- # if we are regenerating, we must not use a newer tip commit than what
- # the regeneration counter used:
- $tip ||= $head;
-
# work backwards through history
- for (my $cur = $max_git; $cur >= 0; $cur--) {
+ my $last_commit = [];
+ for (my $i = $max_git; $i >= 0; $i--) {
+ my $git_dir = git_dir_n($self, $i);
die "already reindexing!\n" if delete $self->{reindex_pipe};
- my $cmt;
- my $git_dir = "$pfx/$cur.git";
-d $git_dir or next; # missing parts are fine
my $git = PublicInbox::Git->new($git_dir);
- my $h = $cur == $max_git ? $tip : $head;
- my $fh = $self->{reindex_pipe} = $git->popen(@cmd, $h);
+ my $unindex = delete $self->{"unindex-range.$i"};
+ $self->unindex($opts, $git, $unindex) if $unindex;
+ defined(my $range = $ranges->[$i]) or next;
+ my $fh = $self->{reindex_pipe} = $git->popen(@cmd, $range);
+ my $cmt;
while (<$fh>) {
- if (/\A$x40$/o) {
+ if (/\A$x40$/o && !defined($cmt)) {
chomp($cmt = $_);
} elsif (/\A:\d{6} 100644 $x40 ($x40) [AM]\tm$/o) {
$self->reindex_oid($mm_tmp, $D, $git, $1,
$self->mark_deleted($D, $git, $1);
}
}
+ $fh = undef;
delete $self->{reindex_pipe};
+ $self->update_last_commit($git, $i, $cmt) if defined $cmt;
}
- my $gaps;
- if ($regen && $$regen != 0) {
- warn "W: leftover article number ($$regen)\n";
- $gaps = 1;
- }
- my ($min, $max) = $mm_tmp->minmax;
- if (defined $max) {
- warn "W: leftover article numbers at $min..$max\n";
- $gaps = 1;
- }
- warn "W: were old git partitions deleted?\n" if $gaps;
my @d = sort keys %$D;
if (@d) {
warn "BUG: ", scalar(@d)," unseen deleted messages marked\n";
warn "<$mid>\n";
}
}
+ $self->done;
}
1;
--- /dev/null
+# Copyright (C) 2018 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+use strict;
+use warnings;
+use Test::More;
+
+# Integration tests for HTTP cloning + mirroring
+foreach my $mod (qw(Plack::Util Plack::Builder Danga::Socket
+ HTTP::Date HTTP::Status Search::Xapian DBD::SQLite)) {
+ eval "require $mod";
+ plan skip_all => "$mod missing for v2mirror.t" if $@;
+}
+use File::Temp qw/tempdir/;
+use IO::Socket;
+use POSIX qw(dup2);
+use PublicInbox::V2Writable;
+use PublicInbox::MIME;
+use PublicInbox::Config;
+use Fcntl qw(FD_CLOEXEC F_SETFD F_GETFD);
+# FIXME: too much setup
+my $tmpdir = tempdir('pi-v2mirror-XXXXXX', TMPDIR => 1, CLEANUP => 1);
+my $script = 'blib/script/public-inbox';
+my $pi_config = "$tmpdir/config";
+{
+ open my $fh, '>', $pi_config or die "open($pi_config): $!";
+ print $fh <<"" or die "print $pi_config: $!";
+[publicinbox "v2"]
+ mainrepo = $tmpdir/in
+ address = test\@example.com
+
+ close $fh or die "close($pi_config): $!";
+}
+local $ENV{PI_CONFIG} = $pi_config;
+
+my $cfg = PublicInbox::Config->new($pi_config);
+my $ibx = $cfg->lookup('test@example.com');
+ok($ibx, 'inbox found');
+$ibx->{version} = 2;
+my $v2w = PublicInbox::V2Writable->new($ibx, 1);
+ok $v2w, 'v2w loaded';
+$v2w->{parallel} = 0;
+my $mime = PublicInbox::MIME->new(<<'');
+From: Me <me@example.com>
+To: You <you@example.com>
+Subject: a
+Date: Thu, 01 Jan 1970 00:00:00 +0000
+
+for my $i (1..9) {
+ $mime->header_set('Message-ID', "<$i\@example.com>");
+ $mime->header_set('Subject', "subject = $i");
+ ok($v2w->add($mime), "add msg $i OK");
+}
+$v2w->barrier;
+
+my %opts = (
+ LocalAddr => '127.0.0.1',
+ ReuseAddr => 1,
+ Proto => 'tcp',
+ Listen => 1024,
+);
+my ($sock, $pid);
+END { kill 'TERM', $pid if defined $pid };
+
+$! = 0;
+$sock = IO::Socket::INET->new(%opts);
+ok($sock, 'sock created');
+my $fl = fcntl($sock, F_GETFD, 0);
+$pid = fork;
+if ($pid == 0) {
+ # pretend to be systemd
+ fcntl($sock, F_SETFD, $fl &= ~FD_CLOEXEC);
+ dup2(fileno($sock), 3) or die "dup2 failed: $!\n";
+ $ENV{LISTEN_PID} = $$;
+ $ENV{LISTEN_FDS} = 1;
+ exec "$script-httpd", "--stdout=$tmpdir/out", "--stderr=$tmpdir/err";
+ die "FAIL: $!\n";
+}
+ok(defined $pid, 'forked httpd process successfully');
+my ($host, $port) = ($sock->sockhost, $sock->sockport);
+$sock = undef;
+
+my @cmd = (qw(git clone --mirror -q), "http://$host:$port/v2/0",
+ "$tmpdir/m/git/0.git");
+
+is(system(@cmd), 0, 'cloned OK');
+ok(-d "$tmpdir/m/git/0.git", 'mirror OK');;
+
+@cmd = ("$script-init", '-V2', 'm', "$tmpdir/m", 'http://example.com/m',
+ 'alt@example.com');
+is(system(@cmd), 0, 'initialized public-inbox -V2');
+is(system("$script-index", "$tmpdir/m"), 0, 'indexed');
+
+my $mibx = { mainrepo => "$tmpdir/m", address => 'alt@example.com' };
+$mibx = PublicInbox::Inbox->new($mibx);
+is_deeply([$mibx->mm->minmax], [$ibx->mm->minmax], 'index synched minmax');
+
+for my $i (10..15) {
+ $mime->header_set('Message-ID', "<$i\@example.com>");
+ $mime->header_set('Subject', "subject = $i");
+ ok($v2w->add($mime), "add msg $i OK");
+}
+$v2w->barrier;
+is(system('git', "--git-dir=$tmpdir/m/git/0.git", 'fetch', '-q'), 0,
+ 'fetch successful');
+
+my $mset = $mibx->search->reopen->query('m:15@example.com', {mset => 1});
+is(scalar($mset->items), 0, 'new message not found in mirror, yet');
+is(system("$script-index", "$tmpdir/m"), 0, 'index updated');
+is_deeply([$mibx->mm->minmax], [$ibx->mm->minmax], 'index synched minmax');
+$mset = $mibx->search->reopen->query('m:15@example.com', {mset => 1});
+is(scalar($mset->items), 1, 'found message in mirror');
+
+# purge:
+$mime->header_set('Message-ID', '<10@example.com>');
+$mime->header_set('Subject', 'subject = 10');
+{
+ my @warn;
+ local $SIG{__WARN__} = sub { push @warn, @_ };
+ ok($v2w->purge($mime), 'purge a message');
+ my $warn = join('', @warn);
+ like($warn, qr/purge rewriting/);
+ my @subj = ($warn =~ m/^# subject .*$/mg);
+ is_deeply(\@subj, ["# subject = 10"], "only rewrote one");
+}
+
+$v2w->barrier;
+
+my $msgs = $mibx->search->{over_ro}->get_thread('10@example.com');
+my $to_purge = $msgs->[0]->{blob};
+like($to_purge, qr/\A[a-f0-9]{40,}\z/, 'read blob to be purged');
+$mset = $ibx->search->reopen->query('m:10@example.com', {mset => 1});
+is(scalar($mset->items), 0, 'purged message gone from origin');
+
+is(system('git', "--git-dir=$tmpdir/m/git/0.git", 'fetch', '-q'), 0,
+ 'fetch successful');
+{
+ open my $err, '+>', "$tmpdir/index-err" or die "open: $!";
+ my $ipid = fork;
+ if ($ipid == 0) {
+ dup2(fileno($err), 2) or die "dup2 failed: $!";
+ exec("$script-index", '--prune', "$tmpdir/m");
+ die "exec fail: $!";
+ }
+ ok($ipid, 'running index..');
+ is(waitpid($ipid, 0), $ipid, 'index --prune done');
+ is($?, 0, 'no error from index');
+ ok(seek($err, 0, 0), 'rewound stderr');
+ $err = eval { local $/; <$err> };
+ like($err, qr/discontiguous range/, 'warned about discontiguous range');
+ unlike($err, qr/fatal/, 'no scary fatal error shown');
+}
+
+$mset = $mibx->search->reopen->query('m:10@example.com', {mset => 1});
+is(scalar($mset->items), 0, 'purged message not found in mirror');
+is_deeply([$mibx->mm->minmax], [$ibx->mm->minmax], 'minmax still synced');
+for my $i ((1..9),(11..15)) {
+ $mset = $mibx->search->query("m:$i\@example.com", {mset => 1});
+ is(scalar($mset->items), 1, "$i\@example.com remains visible");
+}
+is($mibx->git->check($to_purge), undef, 'unindex+prune successful in mirror');
+
+{
+ my @warn;
+ local $SIG{__WARN__} = sub { push @warn, @_ };
+ $v2w->index_sync;
+ is_deeply(\@warn, [], 'no warnings from index_sync after purge');
+}
+
+$v2w->done;
+ok(kill('TERM', $pid), 'killed httpd');
+$pid = undef;
+waitpid(-1, 0);
+
+done_testing();
+
+1;