--- /dev/null
+#!/usr/bin/perl -w
+
+# Resource Agent for managing PVE VMs (openvz and qemu-kvm)
+#
+# License: GNU Affero General Public License (AGPL3)
+# Copyright (C) 2011 Proxmox Server Solutions GmbH
+
+use strict;
+use PVE::Tools;
+use PVE::ProcFSTools;
+use PVE::Cluster;
+use PVE::INotify;
+use PVE::RPCEnvironment;
+use PVE::OpenVZ;
+use PVE::API2::OpenVZ;
+use PVE::QemuServer;
+use PVE::API2::Qemu;
+
+use constant OCF_SUCCESS => 0;
+use constant OCF_ERR_GENERIC => 1;
+use constant OCF_ERR_ARGS => 2;
+use constant OCF_ERR_UNIMPLEMENTED => 3;
+use constant OCF_ERR_PERM => 4;
+use constant OCF_ERR_INSTALLED => 5;
+use constant OCF_ERR_CONFIGURED => 6;
+use constant OCF_NOT_RUNNING => 7;
+use constant OCF_RUNNING_MASTER => 8;
+use constant OCF_FAILED_MASTER => 9;
+
+$ENV{'PATH'} = '/sbin:/bin:/usr/sbin:/usr/bin';
+
+$SIG{__DIE__} = sub {
+ die @_ if $^S; # skip if inside eval
+ $! = OCF_ERR_GENERIC;
+};
+
+if ($> != 0) {
+ print STDERR "Cannot control VMs. as non-root user.\n";
+ exit(OCF_ERR_PERM);
+}
+
+PVE::INotify::inotify_init();
+
+my $rpcenv = PVE::RPCEnvironment->init('ha');
+
+$rpcenv->init_request();
+$rpcenv->set_language($ENV{LANG});
+$rpcenv->set_user('root@pam');
+
+my $nodename = PVE::INotify::nodename();
+
+my @ssh_opts = ('-o', 'BatchMode=yes');
+my @ssh_cmd = ('ssh', @ssh_opts);
+
+sub ocf_log {
+ my ($level, $msg) = @_;
+
+ # fixme:
+
+ chomp $msg;
+
+ print "$level: $msg\n";
+}
+
+sub check_running {
+ my ($status, $verbose) = @_;
+
+ if ($status->{type} eq 'qemu') {
+ $status->{running} = PVE::QemuServer::check_running($status->{vmid}, 1);
+ } elsif ($status->{type} eq 'openvz') {
+ $status->{running} = PVE::OpenVZ::check_running($status->{vmid});
+ } else {
+ die "got strange VM type '$status->{type}'\n";
+ }
+}
+
+sub validate_all {
+ my $status = {};
+
+ eval {
+
+ my $vmid = $ENV{OCF_RESKEY_vmid};
+ die "no VMID specified\n" if !defined($vmid);
+ die "got invalid VMID '$vmid'\n" if $vmid !~ m/^[1-9]\d*$/;
+
+ my $vmlist = PVE::Cluster::get_vmlist();
+ die "got empty cluster VM list\n" if !$vmlist || !$vmlist->{ids};
+ my $data = $vmlist->{ids}->{$vmid};
+ die "VM $vmid does not exist\n" if !$data;
+
+ $status->{vmid} = $vmid;
+ $status->{type} = $data->{type};
+ $status->{node} = $data->{node};
+
+ ocf_log('debug', "VM $vmid ($status->{type}) on node $status->{node}\n");
+
+ check_running($status);
+ };
+ if (my $err = $@) {
+ ocf_log('err', $err);
+ exit(OCF_ERR_ARGS);
+ }
+
+ return $status;
+}
+
+sub upid_wait {
+ my ($upid) = @_;
+
+ my $task = PVE::Tools::upid_decode($upid);
+
+ sleep(1);
+ while (PVE::ProcFSTools::check_process_running($task->{pid}, $task->{pstart})) {
+ ocf_log('debug', "Task still active, waiting");
+ sleep(1);
+ }
+}
+
+my $cmd = shift || '';
+my $migratetarget = shift if $cmd eq 'migrate';
+
+die "too many arguments\n" if scalar (@ARGV) != 0;
+
+if ($cmd eq 'start') {
+ my $status = validate_all();
+ if ($status->{running}) {
+ ocf_log('info', "Resource is already running");
+ exit(OCF_SUCCESS);
+ }
+
+ if ($status->{node} ne $nodename) {
+ ocf_log('info', "Move config to local node");
+ my ($oldconfig, $newconfig);
+ if ($status->{type} eq 'qemu') {
+ $oldconfig = PVE::QemuServer::config_file($status->{vmid}, $status->{node});
+ $newconfig = PVE::QemuServer::config_file($status->{vmid}, $nodename);
+ } else {
+ $oldconfig = PVE::OpenVZ::config_file($status->{vmid}, $status->{node});
+ $newconfig = PVE::OpenVZ::config_file($status->{vmid}, $nodename);
+ }
+ if (!rename($oldconfig, $newconfig)) {
+ ocf_log('err', "unable to move config file from '$oldconfig' to '$newconfig' - $!");
+ exit(OCF_ERR_GENERIC);
+ }
+ }
+
+ my $upid;
+
+ if ($status->{type} eq 'qemu') {
+ $upid = PVE::API2::Qemu->vm_start({node => $nodename, vmid => $status->{vmid}});
+ } else {
+ $upid = PVE::API2::OpenVZ->vm_start({node => $nodename, vmid => $status->{vmid}});
+ }
+
+ upid_wait($upid);
+
+ check_running($status);
+
+ exit($status->{running} ? OCF_SUCCESS : OCF_ERR_GENERIC);
+
+} elsif($cmd eq 'stop') {
+ my $status = validate_all();
+
+ if (!$status->{running}) {
+ ocf_log('info', "Resource is already stopped");
+ exit(OCF_SUCCESS);
+ }
+
+ my $upid;
+
+ if ($status->{type} eq 'qemu') {
+ $upid = PVE::API2::Qemu->vm_stop({node => $nodename, vmid => $status->{vmid}});
+ } else {
+ $upid = PVE::API2::OpenVZ->vm_stop({node => $nodename, vmid => $status->{vmid}, fast => 1});
+ }
+
+ upid_wait($upid);
+
+ check_running($status);
+
+ exit($status->{running} ? OCF_ERR_GENERIC : OCF_SUCCESS);
+
+} elsif($cmd eq 'recover' || $cmd eq 'restart' || $cmd eq 'reload') {
+
+ exit(OCF_SUCCESS);
+
+} elsif($cmd eq 'status' || $cmd eq 'monitor') {
+
+ my $status = validate_all();
+ if ($status->{running}) {
+ ocf_log('debug', "Resource is running");
+ exit(OCF_SUCCESS);
+ } else {
+ ocf_log('debug', "Resource is not running");
+ exit(OCF_NOT_RUNNING);
+ }
+
+} elsif($cmd eq 'migrate') {
+ my $status = validate_all();
+ if (!$status->{running}) {
+ ocf_log('err', "Resource is not running");
+ exit(OCF_ERR_GENERIC);
+ }
+
+ if (!$migratetarget) {
+ ocf_log('err', "No target specified");
+ exit(OCF_ERR_ARGS);
+
+ };
+
+ # test ssh connection and try to detect node name
+ my @rem_ssh = (@ssh_cmd, "root\@$migratetarget");
+ my $cmd = [ @rem_ssh, '/bin/hostname' ];
+ my $targetnode = '';
+ eval {
+ PVE::Tools::run_command($cmd, outfunc => sub {
+ $targetnode = shift if !$targetnode;
+ });
+ };
+ if (my $err = $@) {
+ ocf_log('err', "can't connect to target '$migratetarget' - $err");
+ exit(OCF_ERR_GENERIC);
+ }
+ if (!PVE::Cluster::check_node_exists($targetnode, 1)) {
+ ocf_log('err', "target hostname '$targetnode' is no cluster member");
+ exit(OCF_ERR_GENERIC);
+ }
+
+ my $upid;
+ my $params = {
+ node => $nodename,
+ vmid => $status->{vmid},
+ target => $targetnode,
+ online => 1,
+ };
+
+ my $oldconfig;
+ if ($status->{type} eq 'qemu') {
+ $oldconfig = PVE::QemuServer::config_file($status->{vmid}, $status->{node});
+ $upid = PVE::API2::Qemu->migrate_vm($params);
+ } else {
+ $oldconfig = PVE::OpenVZ::config_file($status->{vmid}, $status->{node});
+ $upid = PVE::API2::OpenVZ->migrate_vm($params);
+ }
+
+ upid_wait($upid);
+
+ # something went wrong if old config file is still there
+ exit((-f $oldconfig) ? OCF_ERR_GENERIC : OCF_SUCCESS);
+
+} elsif($cmd eq 'stop') {
+ my $status = validate_all();
+
+ if (!$status->{running}) {
+ ocf_log('info', "Resource is already stopped");
+ exit(OCF_SUCCESS);
+ }
+
+ my $upid;
+
+ if ($status->{type} eq 'qemu') {
+ $upid = PVE::API2::Qemu->vm_stop({node => $nodename, vmid => $status->{vmid}});
+ } else {
+ $upid = PVE::API2::OpenVZ->vm_stop({node => $nodename, vmid => $status->{vmid}, fast => 1});
+ }
+
+ upid_wait($upid);
+
+ die "implement me";
+
+} elsif($cmd eq 'reconfig') {
+ # Reconfigure a running VM
+ my $status = validate_all();
+
+ # we do nothing here
+
+} elsif($cmd eq 'meta-data') {
+ while(<DATA>) {
+ print;
+ }
+} elsif($cmd eq 'validate-all') {
+ my $status = validate_all();
+} else {
+ die "usage: $0 {start|stop|restart|status|reload|reconfig|meta-data|validate-all}\n";
+}
+
+exit(OCF_SUCCESS);
+
+__DATA__
+<?xml version="1.0"?>
+<resource-agent version="rgmanager 2.0" name="pvevm">
+ <version>1.0</version>
+
+ <longdesc lang="en">
+ Defines a PVE Virtual Machine
+ </longdesc>
+ <shortdesc lang="en">
+ Defines a PVE Virtual Machine
+ </shortdesc>
+
+ <parameters>
+ <parameter name="vmid" primary="1">
+ <longdesc lang="en">
+ This is the VMID of the virtual machine.
+ </longdesc>
+ <shortdesc lang="en">
+ VMID
+ </shortdesc>
+ <content type="string"/>
+ </parameter>
+
+ <parameter name="domain" reconfig="1">
+ <longdesc lang="en">
+ Failover domains define lists of cluster members
+ to try in the event that the host of the virtual machine
+ fails.
+ </longdesc>
+ <shortdesc lang="en">
+ Cluster failover Domain
+ </shortdesc>
+ <content type="string"/>
+ </parameter>
+
+ <parameter name="autostart" reconfig="1">
+ <longdesc lang="en">
+ If set to yes, this resource group will automatically be started
+ after the cluster forms a quorum. If set to no, this virtual
+ machine will start in the 'disabled' state after the cluster
+ forms a quorum.
+ </longdesc>
+ <shortdesc lang="en">
+ Automatic start after quorum formation
+ </shortdesc>
+ <content type="boolean" default="1"/>
+ </parameter>
+
+ <parameter name="exclusive" reconfig="1">
+ <longdesc lang="en">
+ If set, this resource group will only relocate to
+ nodes which have no other resource groups running in the
+ event of a failure. If no empty nodes are available,
+ this resource group will not be restarted after a failure.
+ Additionally, resource groups will not automatically
+ relocate to the node running this resource group. This
+ option can be overridden by manual start and/or relocate
+ operations.
+ </longdesc>
+ <shortdesc lang="en">
+ Exclusive resource group
+ </shortdesc>
+ <content type="boolean" default="0"/>
+ </parameter>
+
+ <parameter name="recovery" reconfig="1">
+ <longdesc lang="en">
+ This currently has three possible options: "restart" tries
+ to restart this virtual machine locally before
+ attempting to relocate (default); "relocate" does not bother
+ trying to restart the VM locally; "disable" disables
+ the VM if it fails.
+ </longdesc>
+ <shortdesc lang="en">
+ Failure recovery policy
+ </shortdesc>
+ <content type="string"/>
+ </parameter>
+
+ <parameter name="depend">
+ <longdesc lang="en">
+ Service dependency; will not start without the specified
+ service running.
+ </longdesc>
+ <shortdesc lang="en">
+ Top-level service this depends on, in service:name format.
+ </shortdesc>
+ <content type="string"/>
+ </parameter>
+
+ <parameter name="depend_mode">
+ <longdesc lang="en">
+ Service dependency mode.
+ hard - This service is stopped/started if its dependency
+ is stopped/started
+ soft - This service only depends on the other service for
+ initial startip. If the other service stops, this
+ service is not stopped.
+ </longdesc>
+ <shortdesc lang="en">
+ Service dependency mode (soft or hard).
+ </shortdesc>
+ <content type="string" default="hard"/>
+ </parameter>
+
+ <parameter name="max_restarts" reconfig="1">
+ <longdesc lang="en">
+ Maximum restarts for this service.
+ </longdesc>
+ <shortdesc lang="en">
+ Maximum restarts for this service.
+ </shortdesc>
+ <content type="string" default="0"/>
+ </parameter>
+
+ <parameter name="restart_expire_time" reconfig="1">
+ <longdesc lang="en">
+ Restart expiration time. A restart is forgotten
+ after this time. When combined with the max_restarts
+ option, this lets administrators specify a threshold
+ for when to fail over services. If max_restarts
+ is exceeded in this given expiration time, the service
+ is relocated instead of restarted again.
+ </longdesc>
+ <shortdesc lang="en">
+ Restart expiration time; amount of time before a restart
+ is forgotten.
+ </shortdesc>
+ <content type="string" default="0"/>
+ </parameter>
+
+ <parameter name="status_program" reconfig="1">
+ <longdesc lang="en">
+ Ordinarily, only the presence/health of a virtual machine
+ is checked. If specified, the status_program value is
+ executed during a depth 10 check. The intent of this
+ program is to ascertain the status of critical services
+ within a virtual machine.
+ </longdesc>
+ <shortdesc lang="en">
+ Additional status check program
+ </shortdesc>
+ <content type="string" default=""/>
+ </parameter>
+ </parameters>
+
+ <actions>
+ <action name="start" timeout="75"/>
+ <action name="stop" timeout="75"/>
+
+ <action name="status" timeout="10" interval="30"/>
+ <action name="monitor" timeout="10" interval="30"/>
+
+ <!-- depth 10 calls the status_program -->
+ <action name="status" depth="10" timeout="20" interval="60"/>
+ <action name="monitor" depth="10" timeout="20" interval="60"/>
+
+ <!-- reconfigure - reconfigure with new OCF parameters.
+ NOT OCF COMPATIBLE AT ALL -->
+ <action name="reconfig" timeout="10"/>
+
+ <action name="migrate" timeout="10m"/>
+
+ <action name="meta-data" timeout="5"/>
+ <action name="validate-all" timeout="5"/>
+
+ </actions>
+
+ <special tag="rgmanager">
+ <!-- Destroy_on_delete / init_on_add are currently only
+ supported for migratory resources (no children
+ and the 'migrate' action; see above. Do not try this
+ with normal services -->
+ <attributes maxinstances="1" destroy_on_delete="0" init_on_add="0"/>
+ </special>
+</resource-agent>
+
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