# Copyright (C) 2019 all contributors # License: AGPL-3.0+ # common stuff for administrative command-line tools # Unstable internal API package PublicInbox::Admin; use strict; use warnings; use Cwd 'abs_path'; use base qw(Exporter); our @EXPORT_OK = qw(resolve_repo_dir); my $CFG; # all the admin stuff is a singleton require PublicInbox::Config; sub resolve_repo_dir { my ($cd, $ver) = @_; my $prefix = defined $cd ? $cd : './'; if (-d $prefix && -f "$prefix/inbox.lock") { # v2 $$ver = 2 if $ver; return abs_path($prefix); } my @cmd = qw(git rev-parse --git-dir); my $cmd = join(' ', @cmd); my $pid = open my $fh, '-|'; defined $pid or die "forking $cmd failed: $!\n"; if ($pid == 0) { if (defined $cd) { chdir $cd or die "chdir $cd failed: $!\n"; } exec @cmd; die "Failed to exec $cmd: $!\n"; } else { my $dir = eval { local $/; <$fh>; }; close $fh or die "error in $cmd: $!\n"; chomp $dir; $$ver = 1 if $ver; return abs_path($cd) if ($dir eq '.' && defined $cd); abs_path($dir); } } # for unconfigured inboxes sub detect_indexlevel ($) { my ($ibx) = @_; # brand new or never before indexed inboxes default to full return 'full' unless $ibx->over; delete $ibx->{over}; # don't leave open FD lying around my $l = 'basic'; my $srch = $ibx->search or return $l; delete $ibx->{search}; # don't leave open FD lying around if (my $xdb = $srch->xdb) { $l = 'full'; my $m = $xdb->get_metadata('indexlevel'); if ($m eq 'medium') { $l = $m; } elsif ($m ne '') { warn <<""; $ibx->{mainrepo} has unexpected indexlevel in Xapian: $m } } $l; } sub unconfigured_ibx ($$) { my ($dir, $i) = @_; my $name = "unconfigured-$i"; PublicInbox::Inbox->new({ name => $name, address => [ "$name\@example.com" ], mainrepo => $dir, # TODO: consumers may want to warn on this: #-unconfigured => 1, }); } sub config () { $CFG //= eval { PublicInbox::Config->new } } sub resolve_inboxes ($;$) { my ($argv, $opt) = @_; require PublicInbox::Inbox; $opt ||= {}; my $cfg = config(); if ($opt->{all}) { my $cfgfile = PublicInbox::Config::default_file(); $cfg or die "--all specified, but $cfgfile not readable\n"; @$argv and die "--all specified, but directories specified\n"; } my $min_ver = $opt->{-min_inbox_version} || 0; my (@old, @ibxs); my %dir2ibx; if ($cfg) { $cfg->each_inbox(sub { my ($ibx) = @_; $ibx->{version} ||= 1; $dir2ibx{abs_path($ibx->{mainrepo})} = $ibx; }); } if ($opt->{all}) { my @all = values %dir2ibx; @all = grep { $_->{version} >= $min_ver } @all; push @ibxs, @all; } else { # directories specified on the command-line my $i = 0; my @dirs = @$argv; push @dirs, '.' unless @dirs; foreach (@dirs) { my $v; my $dir = resolve_repo_dir($_, \$v); if ($v < $min_ver) { push @old, $dir; next; } my $ibx = $dir2ibx{$dir} ||= unconfigured_ibx($dir, $i); $i++; push @ibxs, $ibx; } } if (@old) { die "inboxes $min_ver inboxes not supported by $0\n\t", join("\n\t", @old), "\n"; } @ibxs; } # TODO: make Devel::Peek optional, only used for daemon my @base_mod = qw(Email::MIME Date::Parse Devel::Peek); my @over_mod = qw(DBD::SQLite DBI); my %mod_groups = ( -index => [ @base_mod, @over_mod ], -base => \@base_mod, -search => [ @base_mod, @over_mod, 'Search::Xapian' ], ); sub scan_ibx_modules ($$) { my ($mods, $ibx) = @_; if (!$ibx->{indexlevel} || $ibx->{indexlevel} ne 'basic') { $mods->{'Search::Xapian'} = 1; } else { $mods->{$_} = 1 foreach @over_mod; } } sub check_require { my (@mods) = @_; my $err = {}; while (my $mod = shift @mods) { if (my $groups = $mod_groups{$mod}) { push @mods, @$groups; } else { eval "require $mod"; $err->{$mod} = $@ if $@; } } scalar keys %$err ? $err : undef; } sub missing_mod_msg { my ($err) = @_; my @mods = map { "`$_'" } sort keys %$err; my $last = pop @mods; @mods ? (join(', ', @mods)."' and $last") : $last } sub require_or_die { my $err = check_require(@_) or return; die missing_mod_msg($err)." required for $0\n"; } sub indexlevel_ok_or_die ($) { my ($indexlevel) = @_; my $req; if ($indexlevel eq 'basic') { $req = '-index'; } elsif ($indexlevel =~ /\A(?:medium|full)\z/) { $req = '-search'; } else { die <<""; invalid indexlevel=$indexlevel (must be `basic', `medium', or `full') } my $err = check_require($req) or return; die missing_mod_msg($err) ." required for indexlevel=$indexlevel\n"; } sub index_inbox { my ($ibx, $opt) = @_; my $jobs = delete $opt->{jobs} if $opt; if (ref($ibx) && ($ibx->{version} || 1) == 2) { eval { require PublicInbox::V2Writable }; die "v2 requirements not met: $@\n" if $@; my $v2w = eval { $ibx->importer(0) } || eval { PublicInbox::V2Writable->new($ibx, {nproc=>$jobs}); }; if (defined $jobs) { if ($jobs == 0) { $v2w->{parallel} = 0; } else { my $n = $v2w->{shards}; if ($jobs != ($n + 1) && !$opt->{reshard}) { warn "Unable to respect --jobs=$jobs, inbox was created with $n shards\n"; } } } my $warn_cb = $SIG{__WARN__} || sub { print STDERR @_ }; local $SIG{__WARN__} = sub { $warn_cb->($v2w->{current_info}, ': ', @_); }; $v2w->index_sync($opt); } else { require PublicInbox::SearchIdx; my $s = PublicInbox::SearchIdx->new($ibx, 1); $s->index_sync($opt); } } sub progress_prepare ($) { my ($opt) = @_; # public-inbox-index defaults to quiet, -xcpdb and -compact do not if (defined($opt->{quiet}) && $opt->{quiet} < 0) { $opt->{quiet} = !$opt->{verbose}; } if ($opt->{quiet}) { open my $null, '>', '/dev/null' or die "failed to open /dev/null: $!\n"; $opt->{1} = fileno($null); # suitable for spawn() redirect $opt->{-dev_null} = $null; } else { $opt->{verbose} ||= 1; $opt->{-progress} = sub { print STDERR @_ }; } } 1;