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ceph: mon create: refactor mon assertions

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by using our new 'get_services_info'

this already checks for nautilus+ style 'mon_host' key in the ceph.conf
for the ip address

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
This commit is contained in:
Dominik Csapak 2019-06-19 13:45:48 +02:00 committed by Thomas Lamprecht
parent ca71cd5deb
commit db1c4cc8f3
1 changed files with 23 additions and 18 deletions
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41
PVE/API2/Ceph/MON.pm
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@ -56,6 +56,23 @@ my $find_mon_ip = sub {
}
};
my $assert_mon_prerequisites = sub {
my ($cfg, $monhash, $monid, $monip) = @_;
my $ip_regex = '(?:^|[^\d])' . # start or nondigit
"\Q$monip\E" . # the ip not interpreted as regex
'(?:[^\d]|$)'; # end or nondigit
if (($cfg->{global}->{mon_host} && $cfg->{global}->{mon_host} =~ m/$ip_regex/) ||
grep { $_->{addr} && $_->{addr} =~ m/$ip_regex/ } values %$monhash) {
die "monitor address '$monip' already in use\n";
}
if (defined($monhash->{$monid})) {
die "monitor '$monid' already exists\n";
}
};
__PACKAGE__->register_method ({
name => 'listmon',
path => '',
@ -163,32 +180,20 @@ __PACKAGE__->register_method ({
my $cfg = cfs_read_file('ceph.conf');
my $rados = eval { PVE::RADOS->new() }; # try a rados connection, fails for first monitor
my $monhash = PVE::Ceph::Services::get_services_info('mon', $cfg, $rados);
my $moncount = 0;
my $monaddrhash = {};
foreach my $section (keys %$cfg) {
next if $section eq 'global';
if ($section =~ m/^mon\./) {
my $d = $cfg->{$section};
$moncount++;
if ($d->{'mon addr'}) {
$monaddrhash->{$d->{'mon addr'}} = $section;
}
}
if (!defined($rados) && (scalar(keys %$monhash) || $cfg->{global}->{mon_host})) {
die "Could not connect to ceph cluster despite configured monitors\n";
}
my $monid = $param->{monid} // $param->{node};
my $monsection = "mon.$monid";
my $ip = $find_mon_ip->($cfg, $rados, $param->{node}, $param->{'mon-address'});
my $monaddr = Net::IP::ip_is_ipv6($ip) ? "[$ip]:6789" : "$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};
$assert_mon_prerequisites->($cfg, $monhash, $monid, $ip);
my $worker = sub {
my $upid = shift;
@ -213,11 +218,11 @@ __PACKAGE__->register_method ({
run_command("chown ceph:ceph $mondir");
if ($moncount > 0) {
if (defined($rados)) { # we can only have a RADOS object if we have a monitor
my $rados = PVE::RADOS->new(timeout => PVE::Ceph::Tools::get_config('long_rados_timeout'));
my $mapdata = $rados->mon_command({ prefix => 'mon getmap', format => 'plain' });
file_set_contents($monmap, $mapdata);
} else {
} else { # we need to create a monmap for the first monitor
run_command("monmaptool --create --clobber --add $monid $monaddr --print $monmap");
}