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rbd: add storage space stats

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Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
This commit is contained in:
Alexandre Derumier
2012-10-16 16:08:25 +02:00
committed by Dietmar Maurer
parent 6bcc16d70e
commit 6958944439
1 changed files with 34 additions and 3 deletions
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37
PVE/Storage/RBDPlugin.pm
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@ -25,6 +25,22 @@ my $rbd_cmd = sub {
return $cmd;
};
my $rados_cmd = sub {
my ($scfg, $storeid, $op, @options) = @_;
my $monhost = $scfg->{monhost};
$monhost =~ s/;/,/g;
my $cmd = ['/usr/bin/rados', '-p', $scfg->{pool}, '-m', $monhost, '-n',
"client.$scfg->{username}",
'--keyring', "/etc/pve/priv/ceph/${storeid}.keyring",
'--auth_supported', $scfg->{authsupported}, $op];
push @$cmd, @options if scalar(@options);
return $cmd;
};
sub rbd_ls {
my ($scfg, $storeid) = @_;
@ -220,9 +236,24 @@ sub list_images {
sub status {
my ($class, $storeid, $scfg, $cache) = @_;
my $total = 0;
my $free = 0;
my $used = 0;
my $cmd = &$rados_cmd($scfg, $storeid, 'df');
my $stats = {};
my $parser = sub {
my $line = shift;
if ($line =~ m/^\s+total\s(\S+)\s+(\d+)/) {
$stats->{$1} = $2;
}
};
eval {
run_command($cmd, errmsg => "rados error", errfunc => sub {}, outfunc => $parser);
};
my $total = $stats->{space} ? $stats->{space}*1024 : 0;
my $free = $stats->{avail} ? $stats->{avail}*1024 : 0;
my $used = $stats->{used} ? $stats->{used}*1024: 0;
my $active = 1;
return ($total, $free, $used, $active);