[pve-devel] [RFC pve-storage 5/7] This patch will include storage asynchronous replication.
Wolfgang Link
w.link at proxmox.com
Wed Apr 12 12:41:24 CEST 2017
It is possible to synchronise a volume to an other node in a defined interval.
So if a node fail there will be an copy of the volumes from a VM
on an other node.
With this copy it is possible to start the VM on this node.
---
Makefile | 12 +-
PVE/API2/Makefile | 1 +
PVE/API2/StorageReplication.pm | 56 +++++
PVE/CLI/Makefile | 2 +-
PVE/CLI/pvesr.pm | 178 ++++++++++++++
PVE/Makefile | 1 +
PVE/ReplicationTools.pm | 546 +++++++++++++++++++++++++++++++++++++++++
pvesr | 8 +
8 files changed, 801 insertions(+), 3 deletions(-)
create mode 100644 PVE/API2/StorageReplication.pm
create mode 100644 PVE/CLI/pvesr.pm
create mode 100644 PVE/ReplicationTools.pm
create mode 100644 pvesr
diff --git a/Makefile b/Makefile
index 57500e3..2aab912 100644
--- a/Makefile
+++ b/Makefile
@@ -33,15 +33,23 @@ pvesm.bash-completion:
perl -I. -T -e "use PVE::CLI::pvesm; PVE::CLI::pvesm->generate_bash_completions();" >$@.tmp
mv $@.tmp $@
+pvesr.bash-completion:
+ perl -I. -T -e "use PVE::CLI::pvesr; PVE::CLI::pvesr->generate_bash_completions();" >$@.tmp
+ mv $@.tmp $@
+
.PHONY: install
-install: pvesm.1 pvesm.bash-completion
+install: pvesm.1 pvesm.bash-completion pvesr.bash-completion
install -d ${DESTDIR}${SBINDIR}
install -m 0755 pvesm ${DESTDIR}${SBINDIR}
+ install -m 0755 pvesr ${DESTDIR}${SBINDIR}
make -C PVE install
+ install -d ${DESTDIR}/var/lib/pve-replica
install -d ${DESTDIR}/usr/share/man/man1
install -m 0644 pvesm.1 ${DESTDIR}/usr/share/man/man1/
gzip -9 -n ${DESTDIR}/usr/share/man/man1/pvesm.1
install -m 0644 -D pvesm.bash-completion ${DESTDIR}${BASHCOMPLDIR}/pvesm
+ install -m 0644 -D pvesr.bash-completion ${DESTDIR}${BASHCOMPLDIR}/pverepm
+
.PHONY: deb
deb: ${DEB}
@@ -65,7 +73,7 @@ ${DEB}:
.PHONY: clean
clean:
make cleanup-docgen
- rm -rf debian *.deb ${PACKAGE}-*.tar.gz dist *.1 *.tmp pvesm.bash-completion
+ rm -rf debian *.deb ${PACKAGE}-*.tar.gz dist *.1 *.tmp pvesm.bash-completion pvesr.bash-completion
find . -name '*~' -exec rm {} ';'
.PHONY: distclean
diff --git a/PVE/API2/Makefile b/PVE/API2/Makefile
index 7b7226e..621221d 100644
--- a/PVE/API2/Makefile
+++ b/PVE/API2/Makefile
@@ -3,4 +3,5 @@
.PHONY: install
install:
install -D -m 0644 Disks.pm ${DESTDIR}${PERLDIR}/PVE/API2/Disks.pm
+ install -D -m 0644 StorageReplication.pm ${DESTDIR}${PERLDIR}/PVE/API2/StorageReplication.pm
make -C Storage install
diff --git a/PVE/API2/StorageReplication.pm b/PVE/API2/StorageReplication.pm
new file mode 100644
index 0000000..da70b15
--- /dev/null
+++ b/PVE/API2/StorageReplication.pm
@@ -0,0 +1,56 @@
+package PVE::API2::StorageReplication;
+
+use warnings;
+use strict;
+
+use Data::Dumper qw(Dumper);
+
+use PVE::JSONSchema qw(get_standard_option);
+use PVE::ReplicationTools;
+use PVE::INotify;
+
+use PVE::RESTHandler;
+
+use base qw(PVE::RESTHandler);
+
+__PACKAGE__->register_method ({
+ name => 'list',
+ path => 'list',
+ method => 'GET',
+ description => "List of all replications",
+ permissions => {
+ user => 'all',
+ },
+ protected => 1,
+ proxyto => 'node',
+ parameters => {
+ additionalProperties => 0,
+ properties => {
+ node => get_standard_option('pve-node'),
+ nodes => get_standard_option('pve-node-list' ,
+ {description => "Notes where the jobs is located.",
+ optional => 1}),
+ 'json' => {
+ optional => 1,
+ type => 'boolean',
+ description => "Output in JSON format.",
+ },
+ },
+ },
+ returns => { type => 'object' },
+ code => sub {
+ my ($param) = @_;
+
+ if ($param->{nodes}) {
+ foreach my $node (PVE::Tools::split_list($param->{nodes})) {
+ die "Node: $node does not exists.\n" if
+ !PVE::Cluster::check_node_exists($node);
+ }
+
+ my $nodes = $param->{nodes} ?
+ $param->{nodes} : PVE::INotify::nodename();
+
+ return PVE::ReplicationTools::get_all_jobs($nodes, $param->{json});
+}}});
+
+1;
diff --git a/PVE/CLI/Makefile b/PVE/CLI/Makefile
index 6c6e258..3d6f96d 100644
--- a/PVE/CLI/Makefile
+++ b/PVE/CLI/Makefile
@@ -1,4 +1,4 @@
-SOURCES=pvesm.pm
+SOURCES=pvesm.pm pvesr.pm
.PHONY: install
install: ${SOURCES}
diff --git a/PVE/CLI/pvesr.pm b/PVE/CLI/pvesr.pm
new file mode 100644
index 0000000..c1f3fb4
--- /dev/null
+++ b/PVE/CLI/pvesr.pm
@@ -0,0 +1,178 @@
+package PVE::CLI::pvesr;
+
+use strict;
+use warnings;
+
+use PVE::API2::StorageReplication;
+use PVE::JSONSchema qw(get_standard_option);
+use PVE::INotify;
+use PVE::RPCEnvironment;
+use PVE::Tools qw(extract_param);
+use PVE::SafeSyslog;
+use PVE::CLIHandler;
+
+use base qw(PVE::CLIHandler);
+
+my $nodename = PVE::INotify::nodename();
+
+my $MAX_FAIL = 3;
+
+sub setup_environment {
+ PVE::RPCEnvironment->setup_default_cli_env();
+}
+
+my $time2timestr = sub {
+ my ($time) = @_;
+
+ my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) =
+ localtime($time);
+ my $datestamp = sprintf ("%04d-%02d-%02d_%02d:%02d:%02d",
+ $year+1900, $mon+1, $mday, $hour, $min, $sec);
+
+ #Return in format YYYY-MM-DD_hh:mm:ss
+ return $datestamp;
+};
+
+my $print_list = sub {
+ my ($conf) = @_;
+
+ if ($conf->{json}) {
+ delete $conf->{json};
+ print JSON::encode_json($conf);
+ } else {
+
+ printf("%-10s%-20s%-20s%-5s%-10s%-5s\n",
+ "VMID", "DEST", "LAST SYNC","IVAL", "STATE", "FAIL");
+
+ foreach my $vmid (sort keys %$conf) {
+
+ my $timestr = &$time2timestr($conf->{$vmid}->{lastsync});
+
+ printf("%-10s", $vmid);
+ printf("%-20s", $conf->{$vmid}->{tnode});
+ printf("%-20s", $timestr);
+ printf("%-5s", $conf->{$vmid}->{interval});
+ printf("%-10s", $conf->{$vmid}->{state});
+ printf("%-10s\n", $conf->{$vmid}->{fail});
+ }
+ }
+};
+
+my $get_replica_list = sub {
+
+ my $jobs = PVE::ReplicationTools::read_state();
+ my $list = {};
+
+ foreach my $vmid (keys %$jobs) {
+
+ my $lastsync = $jobs->{$vmid}->{lastsync};
+
+ # interval in min
+ my $interval = $jobs->{$vmid}->{interval};
+ my $now = time();
+ my $fail = $jobs->{$vmid}->{fail};
+
+ my $synctime = $lastsync + $interval * 60;
+
+ $synctime += $interval * $fail if $fail > 0;
+
+ if ($now > $synctime && ($jobs->{$vmid}->{state} eq 'ok'
+ || ($jobs->{$vmid}->{state} eq 'ok') && ($fail <= $MAX_FAIL)) ){
+
+ $list->{$synctime} = $vmid;
+ }
+ }
+
+ return $list;
+};
+
+my $replicate_vms = sub {
+ my ($list) = @_;
+
+ my $oldest_rep = 0;
+
+ while (%$list) {
+
+ foreach my $synctime (keys %$list) {
+
+ if ($oldest_rep == 0 || $oldest_rep > $synctime) {
+ $oldest_rep = $synctime;
+ }
+ }
+
+ eval {
+ PVE::ReplicationTools::sync_guest($list->{$oldest_rep});
+ };
+ if (my $err = $@) {
+ syslog ('err', $err );
+ }
+ delete $list->{$oldest_rep};
+ $oldest_rep = 0;
+
+ }
+};
+
+__PACKAGE__->register_method ({
+ name => 'run',
+ path => 'run',
+ method => 'POST',
+ description => "This method will run by the systemd-timer and sync all jobs",
+ permissions => {
+ description => {
+ check => ['perm', '/', [ 'Sys.Console' ]],
+ },
+ },
+ protected => 1,
+ parameters => {
+ additionalProperties => 0,
+ properties => {
+ },
+ },
+ returns => { type => 'null' },
+ code => sub {
+
+ my $list = &$get_replica_list();
+ &$replicate_vms($list);
+
+ return undef;
+ }});
+
+__PACKAGE__->register_method ({
+ name => 'destroyjob',
+ path => 'destroyjob',
+ method => 'DELETE',
+ description => "Destroy an async replication job",
+ permissions => {
+ description => {
+ check => ['perm', '/storage', ['Datastore.Allocate']],
+ },
+ },
+ protected => 1,
+ parameters => {
+ additionalProperties => 0,
+ properties => {
+ vmid => {
+ type => 'string', format => 'pve-vmid',
+ description => "The VMID of the guest.",
+ completion => \&PVE::Cluster::complete_local_vmid,
+ },
+ },
+ },
+ returns => { type => 'null' },
+ code => sub {
+ my ($param) = @_;
+
+ my $vmid = extract_param($param, 'vmid');
+
+ PVE::ReplicationTools::destroy_replica($vmid);
+
+ }});
+
+our $cmddef = {
+ list => [ 'PVE::API2::StorageReplication' , 'list' , [], { node => $nodename },
+ $print_list],
+ run => [ __PACKAGE__ , 'run'],
+ destroyjob => [ __PACKAGE__ , 'destroyjob', ['vmid']],
+};
+
+1;
diff --git a/PVE/Makefile b/PVE/Makefile
index ae2bd35..c4075d1 100644
--- a/PVE/Makefile
+++ b/PVE/Makefile
@@ -3,6 +3,7 @@
.PHONY: install
install:
install -D -m 0644 Storage.pm ${DESTDIR}${PERLDIR}/PVE/Storage.pm
+ install -D -m 0644 ReplicationTools.pm ${DESTDIR}${PERLDIR}/PVE/ReplicationTools.pm
install -D -m 0644 Diskmanage.pm ${DESTDIR}${PERLDIR}/PVE/Diskmanage.pm
make -C Storage install
make -C API2 install
diff --git a/PVE/ReplicationTools.pm b/PVE/ReplicationTools.pm
new file mode 100644
index 0000000..57d9c7a
--- /dev/null
+++ b/PVE/ReplicationTools.pm
@@ -0,0 +1,546 @@
+package PVE::ReplicationTools;
+
+use warnings;
+use strict;
+
+use PVE::Tools qw(run_command);
+use PVE::Cluster;
+use PVE::QemuConfig;
+use PVE::LXC::Config;
+use PVE::LXC;
+use PVE::Storage;
+use Time::Local;
+use JSON;
+use Data::Dumper qw(Dumper);
+
+my $STATE_DIR = '/var/lib/pve-replica';
+my $STATE_FILE = "/pve-replica.state";
+my $STATE_PATH = $STATE_DIR.$STATE_FILE;
+
+PVE::Cluster::cfs_update;
+my $local_node = PVE::INotify::nodename();
+
+my $cluster_nodes;
+
+my $get_guestconfig = sub {
+ my ($vmid) = @_;
+
+ my $vms = PVE::Cluster::get_vmlist();
+
+ my $type = $vms->{ids}->{$vmid}->{type};
+
+ my $guestconf;
+ my $running;
+
+ if ($type =~ m/^qemu$/) {
+ $guestconf = PVE::QemuConfig->load_config($vmid);
+ $running = PVE::QemuServer::check_running($vmid);
+ } elsif ($type =~ m/^lxc$/) {
+ $guestconf = PVE::LXC::Config->load_config($vmid);
+ $running = PVE::LXC::check_running($vmid);
+ }
+
+ return ($guestconf, $type, $running);
+};
+
+sub write_state {
+ my ($state) = @_;
+
+ # create dir if not exists
+ if (!-e $STATE_DIR) {
+ mkdir $STATE_DIR if !(-d $STATE_DIR);
+ }
+
+ PVE::Tools::file_set_contents($STATE_PATH, JSON::encode_json($state));
+}
+
+sub read_state {
+
+ return {} if !(-e $STATE_PATH);
+
+ my $raw = PVE::Tools::file_get_contents($STATE_PATH);
+
+ return {} if $raw eq '';
+ return JSON::decode_json($raw);
+}
+
+my $get_nodelist = sub {
+ my ($update) = @_;
+
+ if (defined($update) || !defined($cluster_nodes)) {
+
+ $cluster_nodes = PVE::Cluster::get_nodelist();
+ }
+
+ return $cluster_nodes;
+};
+
+sub get_node_ip {
+ my ($nodename) = @_;
+
+ my $remoteip = PVE::Cluster::remote_node_ip($nodename, 1);
+
+ my $dc_conf = PVE::Cluster::cfs_read_file('datacenter.cfg');
+ if (my $network = $dc_conf->{storage_migration_network}) {
+
+ my $cmd = ['ssh', '-o', 'Batchmode=yes', "root\@$remoteip", '--'
+ ,'pvecm', 'mtunnel', '--get_migration_ip',
+ '--migration_network', $network];
+
+ PVE::Tools::run_command($cmd, outfunc => sub {
+ my $line = shift;
+
+ if ($line =~ m/^ip: '($PVE::Tools::IPRE)'$/) {
+ $remoteip = $1;
+ }
+ });
+ }
+ return $remoteip;
+}
+
+sub get_all_jobs {
+ my ($nodes, $json) = @_;
+
+ my @nodelist = PVE::Tools::split_list($nodes);
+
+ my $vms = PVE::Cluster::get_vmlist();
+ my $state = read_state();
+ my $jobs = {};
+
+ my $outfunc = sub {
+ my $line = shift;
+
+ $jobs = JSON::decode_json($line);
+ };
+
+ foreach my $node (@nodelist) {
+ if (!($local_node eq $node)) {
+
+ my $ip = get_node_ip($node);
+ $ip = [$ip] if Net::IP::ip_is_ipv6($ip);
+
+ my @cmd = ('ssh', '-o', 'Batchmode=yes', "root\@$ip", '--',
+ 'pvesr', 'list', '--json');
+
+ run_command([@cmd], outfunc=>$outfunc)
+
+ } else {
+
+ foreach my $vmid (keys %{$vms->{ids}}) {
+
+ next if !($vms->{ids}->{$vmid}->{node} eq $local_node);
+ next if !defined($state->{$vmid});
+
+ $jobs->{$vmid}->{limit} = $state->{$vmid}->{limit};
+ $jobs->{$vmid}->{interval} = $state->{$vmid}->{interval};
+ $jobs->{$vmid}->{tnode} = $state->{$vmid}->{tnode};
+ $jobs->{$vmid}->{lastsync} = $state->{$vmid}->{lastsync};
+ $jobs->{$vmid}->{state} = $state->{$vmid}->{state};
+ $jobs->{$vmid}->{fail} = $state->{$vmid}->{fail};
+ }
+
+ }
+ }
+
+ $jobs->{json} = 1 if $json;
+ return ($jobs);
+}
+
+sub sync_guest {
+ my ($vmid, $param) = @_;
+
+ my $jobs = read_state();
+
+ my ($guest_conf, $vm_type, $running) = &$get_guestconfig($vmid);
+ my $qga = 0;
+
+ my $tnode = $jobs->{$vmid}->{tnode};
+
+ if ($vm_type eq "qemu" && defined($guest_conf->{agent}) ) {
+ $qga = PVE::QemuServer::qga_check_running($vmid)
+ if PVE::QemuServer::check_running($vmid);
+ }
+
+ # will not die if a disk is not syncable
+ my $disks = get_syncable_guestdisks($guest_conf, $vm_type);
+
+ # check if all nodes have the storage availible
+ my $storage_config = PVE::Storage::config();
+ foreach my $volid (keys %$disks) {
+ my ($storeid) = PVE::Storage::parse_volume_id($volid);
+
+ die "Storage not availible on node: $tnode\n"
+ if !$storage_config->{ids}->{$storeid}->{nodes}->{$tnode};
+ die "Storage not availible on node: $local_node\n"
+ if !$storage_config->{ids}->{$storeid}->{nodes}->{$local_node};
+
+ }
+
+ my $limit = $param->{limit};
+ $limit = $guest_conf->{replica_rate_limit}
+ if (!defined($param->{limit}) &&
+ defined($guest_conf->{replica_rate_limit}));
+
+ my $snap_time = time();
+
+ die "Not vailid synctime" if $jobs->{$vmid}->{lastsync} !~ m/^(\d+)$/;
+ my $lastsync = $1;
+ my $incremental_snap = $lastsync ? "replica_$lastsync" : undef;
+
+ # freeze filesystem for data consistency
+ if ($qga == 1 ) {
+ print "Freeze guest filesystem\n";
+
+ eval {
+ PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-freeze");
+ };
+ }
+
+ my $snapname = "replica_$snap_time";
+
+ my $disks_status = {};
+ $disks_status->{snapname} = $snapname;
+
+ my $sync_job = sub {
+
+ # make snapshot of all volumes
+ foreach my $volid (keys %$disks) {
+
+ eval {
+ PVE::Storage::volume_snapshot($storage_config, $volid, $snapname);
+ };
+
+ if (my $err = $@) {
+ if ($qga == 1) {
+ print "Unfreeze guest filesystem\n";
+ eval {
+ PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-thaw");
+ };
+ }
+ cleanup_snapshot($disks_status, $snapname, $storage_config, $running);
+ $jobs->{$vmid}->{state} = 'err';
+ write_state($jobs);
+
+ die $err;
+ }
+
+ $disks_status->{$volid}->{snapshot} = 1;
+ }
+
+ if ($qga == 1) {
+ print "Unfreeze guest filesystem\n";
+ eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-thaw"); };
+ }
+
+ my $ip = get_node_ip($tnode);
+
+ foreach my $volid (keys %$disks) {
+
+ eval {
+ PVE::Storage::volume_send($storage_config, $volid, $snapname,
+ $ip, $incremental_snap,
+ $param->{verbose}, $limit);
+ $jobs->{$vmid}->{fail} = 0;
+ };
+
+ if (my $err = $@) {
+ cleanup_snapshot($disks_status, $snapname, $storage_config, $running, $ip);
+ $jobs->{$vmid}->{fail}++;
+ $jobs->{$vmid}->{state} = 'err' if $jobs->{$vmid}->{fail} > 3;
+ write_state($jobs);
+ die "$err";
+ }
+
+ $disks_status->{$volid}->{synced} = 1;
+ }
+
+ # delet old snapshot if exists
+ cleanup_snapshot($disks_status, $snapname, $storage_config, $running, $ip, $lastsync) if
+ $jobs->{$vmid}->{lastsync} ne '0';
+
+ $jobs->{$vmid}->{lastsync} = $snap_time;
+ write_state($jobs);
+ };
+
+ PVE::Tools::lock_file_full($STATE_PATH, 60, 0 , $sync_job);
+ die $@ if $@;
+
+ return $snap_time;
+}
+
+sub get_snapshots {
+ my ($vol, $prefix, $nodes) = @_;
+
+ my $plugin = $vol->{plugin};
+ return $plugin->get_snapshots($vol, $prefix, $nodes);
+}
+
+sub send_image {
+ my ($vol, $param, $ip, $all_snaps_in_delta, $alter_path) = @_;
+
+ my $plugin = $vol->{plugin};
+ $plugin->send_image($vol, $param, $ip, $all_snaps_in_delta, $alter_path);
+}
+
+sub job_enable {
+ my ($vmid, $no_sync) = @_;
+
+ my $update_state = sub {
+ my ($state) = @_;
+
+ my $jobs = read_state();
+
+ my ($config) = &$get_guestconfig($vmid);
+ my $param = {};
+
+ $jobs->{$vmid}->{interval} = $config->{replica_interval} ?
+ $config->{replica_interval} : 15;
+
+ if ( defined($config->{replica_limit})) {
+ $jobs->{$vmid}->{limit} = $config->{replica_limit};
+ $param->{limit} = $config->{replica_limit};
+ }
+
+ die "Replica Target must be set\n" if !defined($config->{replica_target});
+ $jobs->{$vmid}->{tnode} = $config->{replica_target};
+
+ $jobs->{$vmid}->{fail} = 0;
+ if (!defined($jobs->{$vmid}->{lastsync})) {
+
+ if ( my $lastsync = get_lastsync($vmid)) {
+ $jobs->{$vmid}->{lastsync} = $lastsync;
+ } else {
+ $jobs->{$vmid}->{lastsync} = 0;
+ }
+ }
+
+ $param->{verbose} = 1;
+
+ $jobs->{$vmid}->{state} = 'ok';
+ write_state($jobs);
+
+ eval{
+ sync_guest($vmid, $param) if !defined($no_sync);
+ };
+ if (my $err = $@) {
+ $jobs->{$vmid}->{state} = 'error';
+ write_state($jobs);
+ die $err;
+ }
+ };
+
+ PVE::Tools::lock_file_full($STATE_PATH, 5, 0 , $update_state);
+ die $@ if $@;
+}
+
+sub job_disable {
+ my ($vmid) = @_;
+
+ my $update_state = sub {
+
+ my $jobs = read_state();
+
+ if (defined($jobs->{$vmid})) {
+ $jobs->{$vmid}->{state} = 'off';
+ write_state($jobs);
+ } else {
+ print "No replica service for $vmid\n";
+ }
+ };
+
+ PVE::Tools::lock_file_full($STATE_PATH, 5, 0 , $update_state);
+ die $@ if $@;
+}
+
+sub job_remove {
+ my ($vmid) = @_;
+
+ my $update_state = sub {
+
+ my $jobs = read_state();
+
+ if (defined($jobs->{$vmid})) {
+ delete($jobs->{$vmid});
+ write_state($jobs);
+ } else {
+ print "No replica service for $vmid\n";
+ }
+ };
+
+ PVE::Tools::lock_file_full($STATE_PATH, 5, 0 , $update_state);
+ die $@ if $@;
+}
+
+sub get_syncable_guestdisks {
+ my ($config, $vm_type, $running) = @_;
+
+ my $syncable_disks = {};
+
+ my $cfg = PVE::Storage::config();
+
+ my $warnings = 0;
+ my $func = sub {
+ my ($id, $volume) = @_;
+
+ my $volname;
+ if ($vm_type eq 'qemu') {
+ $volname = $volume->{file};
+ } else {
+ $volname = $volume->{volume};
+ }
+
+ if( PVE::Storage::volume_has_feature($cfg, 'replicate', $volname , undef, $running)) {
+ $syncable_disks->{$volname} = 1;
+ } else {
+ warn "Can't sync Volume: $volname"
+ if (!defined($volume->{replica}) || $volume->{replica});
+ $warnings = 1;
+ }
+ };
+
+ if ($vm_type eq 'qemu') {
+ PVE::QemuServer::foreach_drive($config, $func);
+ } elsif ($vm_type eq 'lxc') {
+ PVE::LXC::Config->foreach_mountpoint($config, $func);
+ } else {
+ die "Unknown VM Type: $vm_type";
+ }
+
+ return wantarray ? ($warnings, $syncable_disks) : $syncable_disks;
+}
+
+sub destroy_all_snapshots {
+ my ($vmid, $prefix, $node) = @_;
+
+ my $ip = defined($node) ? get_node_ip($node) : undef;
+
+ my ($guest_conf, $vm_type, $running) = &$get_guestconfig($vmid);
+
+ my $disks = get_syncable_guestdisks($guest_conf, $vm_type);
+ my $cfg = PVE::Storage::config();
+
+ my $snapshots = {};
+ foreach my $volid (keys %$disks) {
+ $snapshots->{$volid} =
+ PVE::Storage::volume_snapshot_list($cfg, $volid, 'rep', $node, $ip);
+ }
+
+ foreach my $volid (keys %$snapshots) {
+
+ if (defined($prefix)) {
+ foreach my $snap (@{$snapshots->{$volid}}) {
+ PVE::Storage::volume_snapshot_delete($cfg, $volid, $snap, $running, $ip);
+ }
+ } else {
+ if ($ip) {
+
+ my $cmd = ['ssh', '-o', 'Batchmode=yes', "root\@$ip", '--'
+ ,'pvesm', 'free', $volid];
+ PVE::Tools::run_command($cmd);
+ } else {
+ PVE::Storage::vdisk_free($cfg, $volid);
+ }
+ }
+ }
+
+}
+
+sub cleanup_snapshot {
+ my ($disks, $snapname, $cfg, $running, $ip, $lastsync_snap) = @_;
+
+ if ($lastsync_snap) {
+ $snapname = "replica_$lastsync_snap";
+ }
+
+ foreach my $volid (keys %$disks) {
+ next if $volid eq "snapname";
+
+ if (defined($lastsync_snap) || $disks->{$volid}->{synced}) {
+ PVE::Storage::volume_snapshot_delete($cfg, $volid, $snapname, $running, $ip);
+ }
+
+ if (defined($lastsync_snap) || $disks->{$volid}->{snapshot}) {
+ PVE::Storage::volume_snapshot_delete($cfg, $volid, $snapname, $running);
+ }
+ }
+}
+
+sub destroy_replica {
+ my ($vmid) = @_;
+
+ my $code = sub {
+
+ my $jobs = read_state();
+
+ return if !defined($jobs->{$vmid});
+
+ my ($guest_conf, $vm_type) = &$get_guestconfig($vmid);
+
+ destroy_all_snapshots($vmid, 'replica');
+ destroy_all_snapshots($vmid, undef, $guest_conf->{replica_target});
+
+ delete($jobs->{$vmid});
+
+ delete($guest_conf->{replica_rate_limit});
+ delete($guest_conf->{replica_rate_interval});
+ delete($guest_conf->{replica_target});
+ delete($guest_conf->{replica});
+
+ if ($vm_type eq 'qemu') {
+ PVE::QemuConfig->write_config($vmid, $guest_conf);
+ } else {
+ PVE::LXC::Config->write_config($vmid, $guest_conf);
+ }
+ write_state($jobs);
+ };
+
+ PVE::Tools::lock_file_full($STATE_PATH, 30, 0 , $code);
+ die $@ if $@;
+}
+
+sub get_lastsync {
+ my ($vmid) = @_;
+
+ my ($conf, $vm_type) = &$get_guestconfig($vmid);
+
+ my $sync_vol = get_syncable_guestdisks($conf, $vm_type);
+ my $cfg = PVE::Storage::config();
+
+ my $time;
+ foreach my $volid (keys %$sync_vol) {
+ my $list =
+ PVE::Storage::volume_snapshot_list($cfg, $volid, 'replica', $local_node);
+
+ if (my $tmp_snap = shift @$list) {
+ $tmp_snap =~ m/^replica_(\d+)$/;
+ die "snapshots are not coherent"
+ if defined($time) && !($time eq $1);
+ $time = $1;
+ }
+ }
+
+ return $time;
+}
+
+sub get_last_replica_snap {
+ my ($volid) = @_;
+
+ my $cfg = PVE::Storage::config();
+ my $list = PVE::Storage::volume_snapshot_list($cfg, $volid, 'replica', $local_node);
+
+ my $snap = shift @$list;
+ die "Not a valid Sanpshot" if $snap !~ m/replica_(\d+)/;
+ return $snap;
+}
+
+sub is_guest_volumes_syncable {
+ my ($conf, $vm_type) = @_;
+
+ my ($warnings, $disks) = get_syncable_guestdisks($conf, $vm_type);
+
+ return undef if $warnings || !%$disks;
+
+ return 1;
+}
+
+1;
diff --git a/pvesr b/pvesr
new file mode 100644
index 0000000..ffcf84c
--- /dev/null
+++ b/pvesr
@@ -0,0 +1,8 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use PVE::CLI::pvesr;
+
+PVE::CLI::pvesr->run_cli_handler();
--
2.1.4
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