# 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 ($$) {
my ($dir, $i) = @_;
my $name = "unconfigured-$i";
PublicInbox::Inbox->new({
name => $name,
address => [ "$name\@example.com" ],
mainrepo => $dir,
# TODO: consumers may want to warn on this:
#-unconfigured => 1,
});
}
sub config () { $CFG //= eval { PublicInbox::Config->new } }
sub resolve_inboxes ($;$) {
my ($argv, $opt) = @_;
require PublicInbox::Inbox;
$opt ||= {};
my $cfg = config();
if ($opt->{all}) {
my $cfgfile = PublicInbox::Config::default_file();
$cfg or die "--all specified, but $cfgfile not readable\n";
@$argv and die "--all specified, but directories specified\n";
}
my $min_ver = $opt->{-min_inbox_version} || 0;
my (@old, @ibxs);
my %dir2ibx;
if ($cfg) {
$cfg->each_inbox(sub {
my ($ibx) = @_;
$ibx->{version} ||= 1;
my $path = abs_path($ibx->{mainrepo});
if (defined($path)) {
$dir2ibx{$path} = $ibx;
} else {
warn <{name} $ibx->{mainrepo}: $!
EOF
}
});
}
if ($opt->{all}) {
my @all = values %dir2ibx;
@all = grep { $_->{version} >= $min_ver } @all;
push @ibxs, @all;
} else { # directories specified on the command-line
my $i = 0;
my @dirs = @$argv;
push @dirs, '.' unless @dirs;
foreach (@dirs) {
my $v;
my $dir = resolve_repo_dir($_, \$v);
if ($v < $min_ver) {
push @old, $dir;
next;
}
my $ibx = $dir2ibx{$dir} ||= unconfigured_ibx($dir, $i);
$i++;
push @ibxs, $ibx;
}
}
if (@old) {
die "inboxes $min_ver inboxes not supported by $0\n\t",
join("\n\t", @old), "\n";
}
@ibxs;
}
# TODO: make Devel::Peek optional, only used for daemon
my @base_mod = qw(Email::MIME Date::Parse Devel::Peek);
my @over_mod = qw(DBD::SQLite DBI);
my %mod_groups = (
-index => [ @base_mod, @over_mod ],
-base => \@base_mod,
-search => [ @base_mod, @over_mod, 'Search::Xapian' ],
);
sub scan_ibx_modules ($$) {
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;