1
Files
misc/ceph_osd_kickoff_mt.pl
2018-05-23 14:48:37 +03:00

142 lines
2.7 KiB
Perl

#!/usr/bin/perl
use warnings "all";
use strict;
use Fcntl;
use threads;
use threads::shared;
sub get_ceph_status(); # defined - not healthy | undef - healthy
sub get_osd_status($); # give osd id, returns 1 if osd have pgs | undef - no pg left on osd
sub mark_osd_out($);
sub logger($);
sub metabackup(@);
sub worker(@);
if ((int(@ARGV) < 1) or ($ARGV[0] eq '--help') or ($ARGV[0] eq '-h')) {
print "\n Usage: $0 osd_num osd_num osd_num\n\n";
print " Example: user\@host\# $0 10 25 44 128 9 36 33 78 91\n\n";
exit 0;
}
my @osd_list = @ARGV;
my $PACK = 5;
my $OSDINDEX = 0;
my %JOBS;
my $OSD;
my @threads;
for (my $i = 0; $i < @osd_list; $i++) {
if ($OSDINDEX >= $PACK) {
$OSDINDEX = 0;
}
${JOBS}{$OSDINDEX}{$osd_list[$i]} = 1;
$OSDINDEX++;
}
# ${JOBS}{$OSDINDEX}{OSD_ID} = 1
# hash of hashes of hashes
foreach (keys(%JOBS)) {
my @jobs = keys($JOBS{$_});
push @threads, threads->create(\&worker, @jobs);
sleep (300); # do not start all pack in one shot
}
# wait 'till jobs are complete
foreach (@threads) {
$_->join();
}
print "All requested OSDS are out, performing backup\n";
metabackup(@osd_list);
exit 0;
sub get_ceph_status() {
my $status = `/bin/ceph -s`;
my @msg = split(/\n/, $status);
# by default we assume that ceph is unhealthy, with misplaced pgs, and degraded pgs
my $healthy = undef;
my $misplaced = undef;
my $degraded = undef;
foreach (@msg) {
return undef if ($_ =~ /health HEALTH_OK$/);
$degraded = 1 if ($_ =~ /recovery \d+\/\d+ objects degraded/);
$misplaced = 1 if ($_ =~ /recovery \d+\/\d+ objects misplaced/)
}
if ((defined($degraded)) or (defined($misplaced))) {
return 1;
}
return undef;
}
sub get_osd_status($) {
my $osd = shift;
my $status = `ceph osd df`;
foreach (split(/\n/, $status)) {
if ($_ =~ /^ ? ?$osd /) {
$status = $_;
}
}
if ($status =~ / 0.$/) {
# zero placement groups here
return undef;
}
return 1;
}
sub mark_osd_out($) {
my $osd = shift;
`/bin/ceph osd out $osd`;
}
sub logger($) {
my $msg = shift;
syswrite STDOUT, "$msg\n";
}
sub metabackup(@) {
my @list = @_;
# just to make sure :)
while (defined(get_ceph_status())) {
sleep 60;
}
`mount|sudo grep ceph >/ceph-mountmap`;
system('/bin/sudo', '/bin/mkdir', "/root/ceph");
chdir('/var/lib/ceph/osd');
my $osd;
foreach $osd (@list) {
system('/bin/sudo', "/bin/systemctl", "stop", sprintf("ceph-osd@%s", $osd));
sleep 1;
system('/bin/sudo', '/bin/tar', '-zcf', sprintf("/root/ceph/ceph-%s.tar.gz", $osd), sprintf("ceph-%s", $osd));
}
}
sub worker(@) {
my @OSD = @_;
foreach my $osd (@OSD) {
mark_osd_out($osd);
sleep(15); # ceph is slow
while (defined(get_osd_status($osd))) {
sleep 150;
}
}
}