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mirror of git://git.proxmox.com/git/pve-storage.git synced 2024-12-23 17:34:34 +03:00
pve-storage/PVE/CephConfig.pm

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5.4 KiB
Perl
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package PVE::CephConfig;
use strict;
use warnings;
use Net::IP;
use PVE::Tools qw(run_command);
use PVE::Cluster qw(cfs_register_file);
cfs_register_file('ceph.conf',
\&parse_ceph_config,
\&write_ceph_config);
sub parse_ceph_config {
my ($filename, $raw) = @_;
my $cfg = {};
return $cfg if !defined($raw);
my @lines = split /\n/, $raw;
my $section;
foreach my $line (@lines) {
$line =~ s/[;#].*$//;
$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 $parse_ceph_file = sub {
my ($filename) = @_;
my $cfg = {};
return $cfg if ! -f $filename;
my $content = PVE::Tools::file_get_contents($filename);
return parse_ceph_config($filename, $content);
};
sub write_ceph_config {
my ($filename, $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');
&$cond_write_sec('client');
&$cond_write_sec('mds');
&$cond_write_sec('mon');
&$cond_write_sec('osd');
&$cond_write_sec('mgr');
&$cond_write_sec('mds\..*');
&$cond_write_sec('mon\..*');
&$cond_write_sec('osd\..*');
&$cond_write_sec('mgr\..*');
return $out;
}
my $ceph_get_key = sub {
my ($keyfile, $username) = @_;
my $key = $parse_ceph_file->($keyfile);
my $secret = $key->{"client.$username"}->{key};
return $secret;
};
sub get_monaddr_list {
my ($configfile) = shift;
if (!defined($configfile)) {
warn "No ceph config specified\n";
return;
}
my $config = $parse_ceph_file->($configfile);
my @monids = grep { /mon\./ && defined($config->{$_}->{'mon addr'}) } %{$config};
return join(',', sort map { $config->{$_}->{'mon addr'} } @monids);
};
sub hostlist {
my ($list_text, $separator) = @_;
my @monhostlist = PVE::Tools::split_list($list_text);
return join($separator, map {
my ($host, $port) = PVE::Tools::parse_host_and_port($_);
$port = defined($port) ? ":$port" : '';
$host = "[$host]" if Net::IP::ip_is_ipv6($host);
"${host}${port}"
} @monhostlist);
}
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my $ceph_check_keyfile = sub {
my ($filename, $type) = @_;
return if ! -f $filename;
my $content = PVE::Tools::file_get_contents($filename);
eval {
die if !$content;
if ($type eq 'rbd') {
die if $content !~ /\s*\[\S+\]\s*key\s*=\s*\S+==\s*$/m;
} elsif ($type eq 'cephfs') {
die if $content !~ /\S+==\s*$/;
}
};
die "Not a proper $type authentication file: $filename\n" if $@;
return undef;
};
sub ceph_connect_option {
my ($scfg, $storeid, %options) = @_;
my $cmd_option = {};
my $ceph_storeid_conf = "/etc/pve/priv/ceph/${storeid}.conf";
my $pveceph_config = '/etc/pve/ceph.conf';
my $keyfile = "/etc/pve/priv/ceph/${storeid}.keyring";
$keyfile = "/etc/pve/priv/ceph/${storeid}.secret" if ($scfg->{type} eq 'cephfs');
my $pveceph_managed = !defined($scfg->{monhost});
$cmd_option->{ceph_conf} = $pveceph_config if $pveceph_managed;
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$ceph_check_keyfile->($keyfile, $scfg->{type});
if (-e $ceph_storeid_conf) {
if ($pveceph_managed) {
warn "ignoring custom ceph config for storage '$storeid', 'monhost' is not set (assuming pveceph managed cluster)!\n";
} else {
$cmd_option->{ceph_conf} = $ceph_storeid_conf;
}
}
$cmd_option->{keyring} = $keyfile if (-e $keyfile);
$cmd_option->{auth_supported} = (defined $cmd_option->{keyring}) ? 'cephx' : 'none';
$cmd_option->{userid} = $scfg->{username} ? $scfg->{username} : 'admin';
$cmd_option->{mon_host} = hostlist($scfg->{monhost}, ',') if (defined($scfg->{monhost}));
if (%options) {
foreach my $k (keys %options) {
$cmd_option->{$k} = $options{$k};
}
}
return $cmd_option;
}
sub ceph_create_keyfile {
my ($type, $storeid) = @_;
my $extension = 'keyring';
$extension = 'secret' if ($type eq 'cephfs');
my $ceph_admin_keyring = '/etc/pve/priv/ceph.client.admin.keyring';
my $ceph_storage_keyring = "/etc/pve/priv/ceph/${storeid}.$extension";
die "ceph authx keyring file for storage '$storeid' already exists!\n"
if -e $ceph_storage_keyring;
if (-e $ceph_admin_keyring) {
eval {
if ($type eq 'rbd') {
mkdir '/etc/pve/priv/ceph';
PVE::Tools::file_copy($ceph_admin_keyring, $ceph_storage_keyring);
} elsif ($type eq 'cephfs') {
my $secret = $ceph_get_key->($ceph_admin_keyring, 'admin');
mkdir '/etc/pve/priv/ceph';
PVE::Tools::file_set_contents($ceph_storage_keyring, $secret, 0400);
}
};
if (my $err = $@) {
unlink $ceph_storage_keyring;
die "failed to copy ceph authx $extension for storage '$storeid': $err\n";
}
} else {
warn "$ceph_admin_keyring not found, authentication is disabled.\n";
}
}
sub ceph_remove_keyfile {
my ($type, $storeid) = @_;
my $extension = 'keyring';
$extension = 'secret' if ($type eq 'cephfs');
my $ceph_storage_keyring = "/etc/pve/priv/ceph/${storeid}.$extension";
if (-f $ceph_storage_keyring) {
unlink($ceph_storage_keyring) or warn "removing keyring of storage failed: $!\n";
}
}
1;