pve-manager/PVE/API2/Ceph.pm

1375 lines
30 KiB
Perl

package PVE::API2::Ceph;
use strict;
use warnings;
use File::Basename;
use File::Path;
use POSIX qw (LONG_MAX);
use Cwd qw(abs_path);
use IO::Dir;
use UUID;
use Net::IP;
use PVE::SafeSyslog;
use PVE::Tools qw(extract_param run_command file_get_contents file_read_firstline dir_glob_regex dir_glob_foreach);
use PVE::Exception qw(raise raise_param_exc);
use PVE::INotify;
use PVE::Cluster qw(cfs_lock_file cfs_read_file cfs_write_file);
use PVE::AccessControl;
use PVE::Storage;
use PVE::RESTHandler;
use PVE::RPCEnvironment;
use PVE::JSONSchema qw(get_standard_option);
use JSON;
use base qw(PVE::RESTHandler);
use Data::Dumper; # fixme: remove
my $ccname = 'ceph'; # ceph cluster name
my $ceph_cfgdir = "/etc/ceph";
my $pve_ceph_cfgpath = "/etc/pve/$ccname.conf";
my $ceph_cfgpath = "$ceph_cfgdir/$ccname.conf";
my $pve_mon_key_path = "/etc/pve/priv/$ccname.mon.keyring";
my $pve_ckeyring_path = "/etc/pve/priv/$ccname.client.admin.keyring";
my $ceph_bootstrap_osd_keyring = "/var/lib/ceph/bootstrap-osd/$ccname.keyring";
my $ceph_bootstrap_mds_keyring = "/var/lib/ceph/bootstrap-mds/$ccname.keyring";
my $ceph_bin = "/usr/bin/ceph";
sub purge_all_ceph_files {
# fixme: this is very dangerous - should we really support this function?
unlink $ceph_cfgpath;
unlink $pve_ceph_cfgpath;
unlink $pve_ckeyring_path;
unlink $pve_mon_key_path;
unlink $ceph_bootstrap_osd_keyring;
unlink $ceph_bootstrap_mds_keyring;
system("rm -rf /var/lib/ceph/mon/ceph-*");
# remove osd?
}
my $check_ceph_installed = sub {
my ($noerr) = @_;
if (! -x $ceph_bin) {
die "ceph binaries not installed\n" if !$noerr;
return undef;
}
return 1;
};
my $check_ceph_inited = sub {
my ($noerr) = @_;
return undef if !&$check_ceph_installed($noerr);
if (! -f $pve_ceph_cfgpath) {
die "pveceph configuration not initialized\n" if !$noerr;
return undef;
}
return 1;
};
my $check_ceph_enabled = sub {
my ($noerr) = @_;
return undef if !&$check_ceph_inited($noerr);
if (! -f $ceph_cfgpath) {
die "pveceph configuration not enabled\n" if !$noerr;
return undef;
}
return 1;
};
my $parse_ceph_config = sub {
my ($filename) = @_;
my $cfg = {};
return $cfg if ! -f $filename;
my $fh = IO::File->new($filename, "r") ||
die "unable to open '$filename' - $!\n";
my $section;
while (defined(my $line = <$fh>)) {
$line =~ s/[;#].*$//;
$line =~ s/^\s+//;
$line =~ s/\s+$//;
next if !$line;
$section = $1 if $line =~ m/^\[(\S+)\]$/;
if (!$section) {
warn "no section - skip: $line\n";
next;
}
if ($line =~ m/^(.*\S)\s*=\s*(\S.*)$/) {
$cfg->{$section}->{$1} = $2;
}
}
return $cfg;
};
my $run_ceph_cmd = sub {
my ($cmd, %params) = @_;
my $timeout = 5;
run_command(['ceph', '-c', $pve_ceph_cfgpath,
'--connect-timeout', $timeout,
@$cmd], %params);
};
my $run_ceph_cmd_text = sub {
my ($cmd, %opts) = @_;
my $out = '';
my $quiet = delete $opts{quiet};
my $parser = sub {
my $line = shift;
$out .= "$line\n";
};
my $errfunc = sub {
my $line = shift;
print "$line\n" if !$quiet;
};
&$run_ceph_cmd($cmd, outfunc => $parser, errfunc => $errfunc);
return $out;
};
my $run_ceph_cmd_json = sub {
my ($cmd, %opts) = @_;
my $json = &$run_ceph_cmd_text([@$cmd, '--format', 'json'], %opts);
return decode_json($json);
};
sub ceph_mon_status {
my ($quiet) = @_;
return &$run_ceph_cmd_json(['mon_status'], quiet => $quiet);
}
my $ceph_osd_status = sub {
my ($quiet) = @_;
return &$run_ceph_cmd_json(['osd', 'dump'], quiet => $quiet);
};
my $write_ceph_config = sub {
my ($cfg) = @_;
my $out = '';
my $cond_write_sec = sub {
my $re = shift;
foreach my $section (keys %$cfg) {
next if $section !~ m/^$re$/;
$out .= "[$section]\n";
foreach my $key (sort keys %{$cfg->{$section}}) {
$out .= "\t $key = $cfg->{$section}->{$key}\n";
}
$out .= "\n";
}
};
&$cond_write_sec('global');
&$cond_write_sec('mon');
&$cond_write_sec('osd');
&$cond_write_sec('mon\..*');
&$cond_write_sec('osd\..*');
PVE::Tools::file_set_contents($pve_ceph_cfgpath, $out);
};
my $setup_pve_symlinks = sub {
# fail if we find a real file instead of a link
if (-f $ceph_cfgpath) {
my $lnk = readlink($ceph_cfgpath);
die "file '$ceph_cfgpath' already exists\n"
if !$lnk || $lnk ne $pve_ceph_cfgpath;
} else {
symlink($pve_ceph_cfgpath, $ceph_cfgpath) ||
die "unable to create symlink '$ceph_cfgpath' - $!\n";
}
};
my $ceph_service_cmd = sub {
run_command(['service', 'ceph', '-c', $pve_ceph_cfgpath, @_]);
};
sub list_disks {
my $disklist = {};
my $fd = IO::File->new("/proc/mounts", "r") ||
die "unable to open /proc/mounts - $!\n";
my $mounted = {};
while (defined(my $line = <$fd>)) {
my ($dev, $path, $fstype) = split(/\s+/, $line);
next if !($dev && $path && $fstype);
next if $dev !~ m|^/dev/|;
my $real_dev = abs_path($dev);
$mounted->{$real_dev} = $path;
}
close($fd);
my $dev_is_mounted = sub {
my ($dev) = @_;
return $mounted->{$dev};
};
my $dir_is_epmty = sub {
my ($dir) = @_;
my $dh = IO::Dir->new ($dir);
return 1 if !$dh;
while (defined(my $tmp = $dh->read)) {
next if $tmp eq '.' || $tmp eq '..';
$dh->close;
return 0;
}
$dh->close;
return 1;
};
dir_glob_foreach('/sys/block', '.*', sub {
my ($dev) = @_;
return if $dev eq '.';
return if $dev eq '..';
return if $dev =~ m|^ram\d+$|; # skip ram devices
return if $dev =~ m|^loop\d+$|; # skip loop devices
return if $dev =~ m|^md\d+$|; # skip md devices
return if $dev =~ m|^dm-.*$|; # skip dm related things
return if $dev =~ m|^fd\d+$|; # skip Floppy
return if $dev =~ m|^sr\d+$|; # skip CDs
my $devdir = "/sys/block/$dev/device";
return if ! -d $devdir;
my $size = file_read_firstline("/sys/block/$dev/size");
return if !$size;
$size = $size * 512;
my $info = `udevadm info --path /sys/block/$dev --query all`;
return if !$info;
return if $info !~ m/^E: DEVTYPE=disk$/m;
return if $info =~ m/^E: ID_CDROM/m;
my $serial = 'unknown';
if ($info =~ m/^E: ID_SERIAL_SHORT=(\S+)$/m) {
$serial = $1;
}
my $vendor = file_read_firstline("$devdir/vendor") || 'unknown';
my $model = file_read_firstline("$devdir/model") || 'unknown';
my $used = &$dir_is_epmty("/sys/block/$dev/holders") ? 0 : 1;
$used = 1 if &$dev_is_mounted("/dev/$dev");
$disklist->{$dev} = {
vendor => $vendor,
model => $model,
size => $size,
serial => $serial,
};
my $osdid = -1;
dir_glob_foreach("/sys/block/$dev", "$dev.+", sub {
my ($part) = @_;
if (!&$dir_is_epmty("/sys/block/$dev/$part/holders")) {
$used = 1;
}
if (my $mp = &$dev_is_mounted("/dev/$part")) {
$used = 1;
if ($mp =~ m|^/var/lib/ceph/osd/ceph-(\d+)$|) {
$osdid = $1;
}
}
});
$disklist->{$dev}->{used} = $used;
$disklist->{$dev}->{osdid} = $osdid;
});
return $disklist;
}
__PACKAGE__->register_method ({
name => 'index',
path => '',
method => 'GET',
description => "Directory index.",
permissions => { user => 'all' },
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
},
},
returns => {
type => 'array',
items => {
type => "object",
properties => {},
},
links => [ { rel => 'child', href => "{name}" } ],
},
code => sub {
my ($param) = @_;
my $result = [
{ name => 'init' },
{ name => 'mon' },
{ name => 'osd' },
{ name => 'pools' },
{ name => 'stop' },
{ name => 'start' },
{ name => 'status' },
{ name => 'crush' },
{ name => 'config' },
{ name => 'log' },
{ name => 'disks' },
];
return $result;
}});
__PACKAGE__->register_method ({
name => 'disks',
path => 'disks',
method => 'GET',
description => "List local disks.",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
},
},
returns => {
type => 'array',
items => {
type => "object",
properties => {
dev => { type => 'string' },
used => { type => 'boolean' },
size => { type => 'integer' },
osdid => { type => 'integer' },
vendor => { type => 'string', optional => 1 },
model => { type => 'string', optional => 1 },
serial => { type => 'string', optional => 1 },
},
},
# links => [ { rel => 'child', href => "{}" } ],
},
code => sub {
my ($param) = @_;
&$check_ceph_inited();
my $res = list_disks();
return PVE::RESTHandler::hash_to_array($res, 'dev');
}});
__PACKAGE__->register_method ({
name => 'config',
path => 'config',
method => 'GET',
description => "Get Ceph configuration.",
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
},
},
returns => { type => 'string' },
code => sub {
my ($param) = @_;
&$check_ceph_inited();
return PVE::Tools::file_get_contents($pve_ceph_cfgpath);
}});
__PACKAGE__->register_method ({
name => 'listmon',
path => 'mon',
method => 'GET',
description => "Get Ceph monitor list.",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
},
},
returns => {
type => 'array',
items => {
type => "object",
properties => {
name => { type => 'string' },
addr => { type => 'string' },
},
},
links => [ { rel => 'child', href => "{name}" } ],
},
code => sub {
my ($param) = @_;
&$check_ceph_inited();
my $res = [];
my $cfg = &$parse_ceph_config($pve_ceph_cfgpath);
my $monhash = {};
foreach my $section (keys %$cfg) {
my $d = $cfg->{$section};
if ($section =~ m/^mon\.(\S+)$/) {
my $monid = $1;
if ($d->{'mon addr'} && $d->{'host'}) {
$monhash->{$monid} = {
addr => $d->{'mon addr'},
host => $d->{'host'},
name => $monid,
}
}
}
}
eval {
my $monstat = ceph_mon_status();
my $mons = $monstat->{monmap}->{mons};
foreach my $d (@$mons) {
next if !defined($d->{name});
$monhash->{$d->{name}}->{rank} = $d->{rank};
$monhash->{$d->{name}}->{addr} = $d->{addr};
if (grep { $_ eq $d->{rank} } @{$monstat->{quorum}}) {
$monhash->{$d->{name}}->{quorum} = 1;
}
}
};
warn $@ if $@;
return PVE::RESTHandler::hash_to_array($monhash, 'name');
}});
__PACKAGE__->register_method ({
name => 'init',
path => 'init',
method => 'POST',
description => "Create initial ceph default configuration and setup symlinks.",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
network => {
description => "Use specific network for all ceph related traffic",
type => 'string', format => 'CIDR',
optional => 1,
maxLength => 128,
},
size => {
description => 'Number of replicas per object',
type => 'integer',
default => 2,
optional => 1,
minimum => 1,
maximum => 3,
},
pg_bits => {
description => "Placement group bits, used to specify the default number of placement groups (Note: 'osd pool default pg num' does not work for deafult pools)",
type => 'integer',
default => 6,
optional => 1,
minimum => 6,
maximum => 14,
},
},
},
returns => { type => 'null' },
code => sub {
my ($param) = @_;
&$check_ceph_installed();
# simply load old config if it already exists
my $cfg = &$parse_ceph_config($pve_ceph_cfgpath);
if (!$cfg->{global}) {
my $fsid;
my $uuid;
UUID::generate($uuid);
UUID::unparse($uuid, $fsid);
$cfg->{global} = {
'fsid' => $fsid,
'auth supported' => 'cephx',
'auth cluster required' => 'cephx',
'auth service required' => 'cephx',
'auth client required' => 'cephx',
'filestore xattr use omap' => 'true',
'osd journal size' => '1024',
'osd pool default min size' => 1,
};
# this does not work for default pools
#'osd pool default pg num' => $pg_num,
#'osd pool default pgp num' => $pg_num,
}
$cfg->{global}->{keyring} = '/etc/pve/priv/$cluster.$name.keyring';
$cfg->{osd}->{keyring} = '/var/lib/ceph/osd/ceph-$id/keyring';
$cfg->{global}->{'osd pool default size'} = $param->{size} if $param->{size};
if ($param->{pg_bits}) {
$cfg->{global}->{'osd pg bits'} = $param->{pg_bits};
$cfg->{global}->{'osd pgp bits'} = $param->{pg_bits};
}
if ($param->{network}) {
$cfg->{global}->{'public network'} = $param->{network};
$cfg->{global}->{'cluster network'} = $param->{network};
}
&$write_ceph_config($cfg);
&$setup_pve_symlinks();
return undef;
}});
my $find_node_ip = sub {
my ($cidr) = @_;
my $config = PVE::INotify::read_file('interfaces');
my $net = Net::IP->new($cidr) || die Net::IP::Error() . "\n";
foreach my $iface (keys %$config) {
my $d = $config->{$iface};
next if !$d->{address};
my $a = Net::IP->new($d->{address});
next if !$a;
return $d->{address} if $net->overlaps($a);
}
die "unable to find local address within network '$cidr'\n";
};
__PACKAGE__->register_method ({
name => 'createmon',
path => 'mon',
method => 'POST',
description => "Create Ceph Monitor",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
},
},
returns => { type => 'string' },
code => sub {
my ($param) = @_;
&$check_ceph_inited();
&$setup_pve_symlinks();
my $rpcenv = PVE::RPCEnvironment::get();
my $authuser = $rpcenv->get_user();
my $cfg = &$parse_ceph_config($pve_ceph_cfgpath);
my $moncount = 0;
my $monaddrhash = {};
foreach my $section (keys %$cfg) {
next if $section eq 'global';
my $d = $cfg->{$section};
if ($section =~ m/^mon\./) {
$moncount++;
if ($d->{'mon addr'}) {
$monaddrhash->{$d->{'mon addr'}} = $section;
}
}
}
my $monid;
for (my $i = 0; $i < 7; $i++) {
if (!$cfg->{"mon.$i"}) {
$monid = $i;
last;
}
}
die "unable to find usable monitor id\n" if !defined($monid);
my $monsection = "mon.$monid";
my $ip;
if (my $pubnet = $cfg->{global}->{'public network'}) {
$ip = &$find_node_ip($pubnet);
} else {
$ip = PVE::Cluster::remote_node_ip($param->{node});
}
my $monaddr = "$ip:6789";
my $monname = $param->{node};
die "monitor '$monsection' already exists\n" if $cfg->{$monsection};
die "monitor address '$monaddr' already in use by '$monaddrhash->{$monaddr}'\n"
if $monaddrhash->{$monaddr};
my $worker = sub {
my $upid = shift;
if (! -f $pve_ckeyring_path) {
run_command("ceph-authtool $pve_ckeyring_path --create-keyring " .
"--gen-key -n client.admin");
}
if (! -f $pve_mon_key_path) {
run_command("cp $pve_ckeyring_path $pve_mon_key_path.tmp");
run_command("ceph-authtool $pve_mon_key_path.tmp -n client.admin --set-uid=0 " .
"--cap mds 'allow' " .
"--cap osd 'allow *' " .
"--cap mon 'allow *'");
run_command("ceph-authtool $pve_mon_key_path.tmp --gen-key -n mon. --cap mon 'allow *'");
run_command("mv $pve_mon_key_path.tmp $pve_mon_key_path");
}
my $mondir = "/var/lib/ceph/mon/$ccname-$monid";
-d $mondir && die "monitor filesystem '$mondir' already exist\n";
my $monmap = "/tmp/monmap";
eval {
mkdir $mondir;
if ($moncount > 0) {
my $monstat = ceph_mon_status(); # online test
&$run_ceph_cmd(['mon', 'getmap', '-o', $monmap]);
} else {
run_command("monmaptool --create --clobber --add $monid $monaddr --print $monmap");
}
run_command("ceph-mon --mkfs -i $monid --monmap $monmap --keyring $pve_mon_key_path");
};
my $err = $@;
unlink $monmap;
if ($err) {
File::Path::remove_tree($mondir);
die $err;
}
$cfg->{$monsection} = {
'host' => $monname,
'mon addr' => $monaddr,
};
&$write_ceph_config($cfg);
&$ceph_service_cmd('start', $monsection);
};
return $rpcenv->fork_worker('cephcreatemon', $monsection, $authuser, $worker);
}});
__PACKAGE__->register_method ({
name => 'destroymon',
path => 'mon/{monid}',
method => 'DELETE',
description => "Destroy Ceph monitor.",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
monid => {
description => 'Monitor ID',
type => 'integer',
},
},
},
returns => { type => 'string' },
code => sub {
my ($param) = @_;
my $rpcenv = PVE::RPCEnvironment::get();
my $authuser = $rpcenv->get_user();
&$check_ceph_inited();
my $cfg = &$parse_ceph_config($pve_ceph_cfgpath);
my $monid = $param->{monid};
my $monsection = "mon.$monid";
my $monstat = ceph_mon_status();
my $monlist = $monstat->{monmap}->{mons};
die "no such monitor id '$monid'\n"
if !defined($cfg->{$monsection});
my $mondir = "/var/lib/ceph/mon/$ccname-$monid";
-d $mondir || die "monitor filesystem '$mondir' does not exist on this node\n";
die "can't remove last monitor\n" if scalar(@$monlist) <= 1;
my $worker = sub {
my $upid = shift;
&$run_ceph_cmd(['mon', 'remove', $monid]);
eval { &$ceph_service_cmd('stop', $monsection); };
warn $@ if $@;
delete $cfg->{$monsection};
&$write_ceph_config($cfg);
File::Path::remove_tree($mondir);
};
return $rpcenv->fork_worker('cephdestroymon', $monsection, $authuser, $worker);
}});
__PACKAGE__->register_method ({
name => 'stop',
path => 'stop',
method => 'POST',
description => "Stop ceph services.",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
service => {
description => 'Ceph service name.',
type => 'string',
optional => 1,
pattern => '(mon|mds|osd)\.[A-Za-z0-9]{1,32}',
},
},
},
returns => { type => 'string' },
code => sub {
my ($param) = @_;
my $rpcenv = PVE::RPCEnvironment::get();
my $authuser = $rpcenv->get_user();
&$check_ceph_inited();
my $cfg = &$parse_ceph_config($pve_ceph_cfgpath);
scalar(keys %$cfg) || die "no configuration\n";
my $worker = sub {
my $upid = shift;
my $cmd = ['stop'];
if ($param->{service}) {
push @$cmd, $param->{service};
}
&$ceph_service_cmd(@$cmd);
};
return $rpcenv->fork_worker('srvstop', $param->{service} || 'ceph',
$authuser, $worker);
}});
__PACKAGE__->register_method ({
name => 'start',
path => 'start',
method => 'POST',
description => "Start ceph services.",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
service => {
description => 'Ceph service name.',
type => 'string',
optional => 1,
pattern => '(mon|mds|osd)\.[A-Za-z0-9]{1,32}',
},
},
},
returns => { type => 'string' },
code => sub {
my ($param) = @_;
my $rpcenv = PVE::RPCEnvironment::get();
my $authuser = $rpcenv->get_user();
&$check_ceph_inited();
my $cfg = &$parse_ceph_config($pve_ceph_cfgpath);
scalar(keys %$cfg) || die "no configuration\n";
my $worker = sub {
my $upid = shift;
my $cmd = ['start'];
if ($param->{service}) {
push @$cmd, $param->{service};
}
&$ceph_service_cmd(@$cmd);
};
return $rpcenv->fork_worker('srvstart', $param->{service} || 'ceph',
$authuser, $worker);
}});
__PACKAGE__->register_method ({
name => 'status',
path => 'status',
method => 'GET',
description => "Get ceph status.",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
},
},
returns => { type => 'object' },
code => sub {
my ($param) = @_;
&$check_ceph_enabled();
return &$run_ceph_cmd_json(['status'], quiet => 1);
}});
__PACKAGE__->register_method ({
name => 'lspools',
path => 'pools',
method => 'GET',
description => "List all pools.",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
},
},
returns => {
type => 'array',
items => {
type => "object",
properties => {
pool => { type => 'integer' },
pool_name => { type => 'string' },
size => { type => 'integer' },
},
},
links => [ { rel => 'child', href => "{pool_name}" } ],
},
code => sub {
my ($param) = @_;
&$check_ceph_inited();
my $res = &$run_ceph_cmd_json(['osd', 'dump'], quiet => 1);
my $data = [];
foreach my $e (@{$res->{pools}}) {
my $d = {};
foreach my $attr (qw(pool pool_name size min_size pg_num crush_ruleset)) {
$d->{$attr} = $e->{$attr} if defined($e->{$attr});
}
push @$data, $d;
}
return $data;
}});
__PACKAGE__->register_method ({
name => 'createpool',
path => 'pools',
method => 'POST',
description => "Create POOL",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
name => {
description => "The name of the pool. It must be unique.",
type => 'string',
},
size => {
description => 'Number of replicas per object',
type => 'integer',
default => 2,
optional => 1,
minimum => 1,
maximum => 3,
},
min_size => {
description => 'Minimum number of replicas per object',
type => 'integer',
default => 1,
optional => 1,
minimum => 1,
maximum => 3,
},
pg_num => {
description => "Number of placement groups.",
type => 'integer',
default => 64,
optional => 1,
minimum => 8,
maximum => 32768,
},
crush_ruleset => {
description => "The ruleset to use for mapping object placement in the cluster.",
type => 'integer',
minimum => 0,
maximum => 32768,
default => 0,
optional => 1,
},
},
},
returns => { type => 'null' },
code => sub {
my ($param) = @_;
&$check_ceph_inited();
die "not fully configured - missing '$pve_ckeyring_path'\n"
if ! -f $pve_ckeyring_path;
my $pg_num = $param->{pg_num} || 64;
my $size = $param->{size} || 2;
my $min_size = $param->{min_size} || 1;
&$run_ceph_cmd(['osd', 'pool', 'create', $param->{name}, $pg_num]);
&$run_ceph_cmd(['osd', 'pool', 'set', $param->{name}, 'min_size', $min_size]);
&$run_ceph_cmd(['osd', 'pool', 'set', $param->{name}, 'size', $size]);
if (defined($param->{crush_ruleset})) {
&$run_ceph_cmd(['osd', 'pool', 'set', $param->{name}, 'crush_ruleset', $param->{crush_ruleset}]);
}
return undef;
}});
__PACKAGE__->register_method ({
name => 'destroypool',
path => 'pools/{name}',
method => 'DELETE',
description => "Destroy pool",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
name => {
description => "The name of the pool. It must be unique.",
type => 'string',
},
},
},
returns => { type => 'null' },
code => sub {
my ($param) = @_;
&$check_ceph_inited();
&$run_ceph_cmd(['osd', 'pool', 'delete', $param->{name}, $param->{name}, '--yes-i-really-really-mean-it']);
return undef;
}});
__PACKAGE__->register_method ({
name => 'listosd',
path => 'osd',
method => 'GET',
description => "Get Ceph osd list/tree.",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
},
},
returns => {
type => "object",
},
code => sub {
my ($param) = @_;
&$check_ceph_inited();
my $res = &$run_ceph_cmd_json(['osd', 'tree'], quiet => 1);
die "no tree nodes found\n" if !($res && $res->{nodes});
my $nodes = {};
my $newnodes = {};
foreach my $e (@{$res->{nodes}}) {
$nodes->{$e->{id}} = $e;
my $new = {
id => $e->{id},
name => $e->{name},
type => $e->{type}
};
foreach my $opt (qw(status crush_weight reweight)) {
$new->{$opt} = $e->{$opt} if defined($e->{$opt});
}
$newnodes->{$e->{id}} = $new;
}
foreach my $e (@{$res->{nodes}}) {
my $new = $newnodes->{$e->{id}};
if ($e->{children} && scalar(@{$e->{children}})) {
$new->{children} = [];
$new->{leaf} = 0;
foreach my $cid (@{$e->{children}}) {
$nodes->{$cid}->{parent} = $e->{id};
if ($nodes->{$cid}->{type} eq 'osd' &&
$e->{type} eq 'host') {
$newnodes->{$cid}->{host} = $e->{name};
}
push @{$new->{children}}, $newnodes->{$cid};
}
} else {
$new->{leaf} = ($e->{id} >= 0) ? 1 : 0;
}
}
my $rootnode;
foreach my $e (@{$res->{nodes}}) {
if (!$nodes->{$e->{id}}->{parent}) {
$rootnode = $newnodes->{$e->{id}};
last;
}
}
die "no root node\n" if !$rootnode;
my $data = { root => $rootnode };
return $data;
}});
__PACKAGE__->register_method ({
name => 'createosd',
path => 'osd',
method => 'POST',
description => "Create OSD",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
dev => {
description => "Block device name.",
type => 'string',
},
fstype => {
description => "File system type.",
type => 'string',
enum => ['xfs', 'ext4', 'btrfs'],
default => 'xfs',
optional => 1,
},
},
},
returns => { type => 'string' },
code => sub {
my ($param) = @_;
my $rpcenv = PVE::RPCEnvironment::get();
my $authuser = $rpcenv->get_user();
&$check_ceph_inited();
&$setup_pve_symlinks();
-b $param->{dev} || die "no such block device '$param->{dev}'\n";
my $disklist = list_disks();
my $devname = $param->{dev};
$devname =~ s|/dev/||;
my $diskinfo = $disklist->{$devname};
die "unable to get device info for '$devname'\n"
if !$diskinfo;
die "device '$param->{dev}' is in use\n"
if $diskinfo->{used};
my $monstat = ceph_mon_status(1);
die "unable to get fsid\n" if !$monstat->{monmap} || !$monstat->{monmap}->{fsid};
my $fsid = $monstat->{monmap}->{fsid};
if (! -f $ceph_bootstrap_osd_keyring) {
&$run_ceph_cmd(['auth', 'get', 'client.bootstrap-osd', '-o', $ceph_bootstrap_osd_keyring]);
};
my $worker = sub {
my $upid = shift;
my $fstype = $param->{fstype} || 'xfs';
print "create OSD on $param->{dev} ($fstype)\n";
run_command(['ceph-disk', 'prepare', '--zap-disk', '--fs-type', $fstype,
'--cluster', $ccname, '--cluster-uuid', $fsid,
'--', $param->{dev}]);
};
return $rpcenv->fork_worker('cephcreateosd', $devname, $authuser, $worker);
}});
__PACKAGE__->register_method ({
name => 'destroyosd',
path => 'osd/{osdid}',
method => 'DELETE',
description => "Destroy OSD",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
osdid => {
description => 'OSD ID',
type => 'integer',
},
},
},
returns => { type => 'string' },
code => sub {
my ($param) = @_;
my $rpcenv = PVE::RPCEnvironment::get();
my $authuser = $rpcenv->get_user();
&$check_ceph_inited();
my $osdid = $param->{osdid};
# fixme: not 100% sure what we should do here
my $stat = &$ceph_osd_status();
my $osdlist = $stat->{osds} || [];
my $osdstat;
foreach my $d (@$osdlist) {
if ($d->{osd} == $osdid) {
$osdstat = $d;
last;
}
}
die "no such OSD '$osdid'\n" if !$osdstat;
die "osd is in use (in == 1)\n" if $osdstat->{in};
#&$run_ceph_cmd(['osd', 'out', $osdid]);
die "osd is still runnung (up == 1)\n" if $osdstat->{up};
my $osdsection = "osd.$osdid";
my $worker = sub {
my $upid = shift;
print "destroy OSD $osdsection\n";
eval { &$ceph_service_cmd('stop', $osdsection); };
warn $@ if $@;
print "Remove $osdsection from the CRUSH map\n";
&$run_ceph_cmd(['osd', 'crush', 'remove', $osdsection]);
print "Remove the $osdsection authentication key.\n";
&$run_ceph_cmd(['auth', 'del', $osdsection]);
print "Remove OSD $osdsection\n";
&$run_ceph_cmd(['osd', 'rm', $osdid]);
# try to unmount fro standard mount point
my $mountpoint = "/var/lib/ceph/osd/ceph-$osdid";
print "Unmount OSD $osdsection from $mountpoint\n";
eval { run_command(['umount', $mountpoint]); };
warn $@ if $@;
};
return $rpcenv->fork_worker('cephdestroyosd', $osdsection, $authuser, $worker);
}});
__PACKAGE__->register_method ({
name => 'crush',
path => 'crush',
method => 'GET',
description => "Get OSD crush map",
proxyto => 'node',
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
},
},
returns => { type => 'string' },
code => sub {
my ($param) = @_;
&$check_ceph_inited();
# this produces JSON (difficult to read for the user)
# my $txt = &$run_ceph_cmd_text(['osd', 'crush', 'dump'], quiet => 1);
my $txt = '';
my $mapfile = "/var/tmp/ceph-crush.map.$$";
my $mapdata = "/var/tmp/ceph-crush.txt.$$";
eval {
&$run_ceph_cmd(['osd', 'getcrushmap', '-o', $mapfile]);
run_command(['crushtool', '-d', $mapfile, '-o', $mapdata]);
$txt = PVE::Tools::file_get_contents($mapdata);
};
my $err = $@;
unlink $mapfile;
unlink $mapdata;
die $err if $err;
return $txt;
}});
__PACKAGE__->register_method({
name => 'log',
path => 'log',
method => 'GET',
description => "Read ceph log",
proxyto => 'node',
permissions => {
check => ['perm', '/nodes/{node}', [ 'Sys.Syslog' ]],
},
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
start => {
type => 'integer',
minimum => 0,
optional => 1,
},
limit => {
type => 'integer',
minimum => 0,
optional => 1,
},
},
},
returns => {
type => 'array',
items => {
type => "object",
properties => {
n => {
description=> "Line number",
type=> 'integer',
},
t => {
description=> "Line text",
type => 'string',
}
}
}
},
code => sub {
my ($param) = @_;
my $rpcenv = PVE::RPCEnvironment::get();
my $user = $rpcenv->get_user();
my $node = $param->{node};
my $logfile = "/var/log/ceph/ceph.log";
my ($count, $lines) = PVE::Tools::dump_logfile($logfile, $param->{start}, $param->{limit});
$rpcenv->set_result_attrib('total', $count);
return $lines;
}});