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/usr/lib/stonith/plugins/external/vcenter is in cluster-glue 1.0.8-2ubuntu6.

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#!/usr/bin/env perl
#
# External STONITH module for VMWare vCenter/ESX
#
# Author:  Nhan Ngo Dinh
# License: GNU General Public License (GPL)
#

require 5.010;

use strict;
use warnings;

sub dielog {
	my $msg = "[";
	$msg .= "$ARGV[0]" if defined($ARGV[0]);
	$msg .= " $ARGV[1]" if defined($ARGV[1]);
	$msg .= "]";
	( $_ ) = @_;
	$msg .= " $_";
	system("ha_log.sh", "err", "$msg");
	die();
}

# Define command groups
my @configCommands = qw{getconfignames getinfo-devid getinfo-devname getinfo-devdescr getinfo-devurl getinfo-xml};
my @actionCommands = qw{reset on off};
my @netCommands = (@actionCommands, qw{status gethosts});

# Process command line arguments
my $command = $ARGV[0] || dielog("No command specified\n");

# Command belongs to the group of commands that do not require any connection to VMware vCenter
if ($command ~~ @configCommands) {
	if ($command eq "getconfignames") {
		print "VI_SERVER\nVI_PORTNUMBER\nVI_PROTOCOL\nVI_SERVICEPATH\nVI_CREDSTORE\nHOSTLIST\nRESETPOWERON\n";
	}
	elsif ($command eq "getinfo-devid") {
		print "VMware vCenter STONITH device\n";
	}
	elsif ($command eq "getinfo-devname") {
		print "VMware vCenter STONITH device\n";
	}
	elsif ($command eq "getinfo-devdescr") {
		print "VMWare vCenter STONITH device\n";
	}
	elsif ($command eq "getinfo-devurl") {
		print "http://www.vmware.com/\n";
	}
	elsif ($command eq "getinfo-xml") {
		print q{<parameters>
<parameter name="HOSTLIST" required="1">
<content type="string"/>
<shortdesc lang="en">List of hosts and virtual machines (required)</shortdesc>
<longdesc lang="en">
The list of hosts that the VMware vCenter STONITH device controls.
Syntax is:
  hostname1[=VirtualMachineName1];hostname2[=VirtualMachineName2]

NOTE: omit =VirtualMachineName if hostname and virtual machine names are identical

Example:
  cluster1=VMCL1;cluster2=VMCL2
</longdesc>
</parameter>
<parameter name="VI_SERVER">
<content type="string" default="localhost"/>
<shortdesc lang="en">VMware vCenter address</shortdesc>
<longdesc lang="en">
The VMware vCenter address
</longdesc>
</parameter>
<parameter name="VI_PROTOCOL">
<content type="string" default="https"/>
<shortdesc lang="en">VMware vCenter protocol</shortdesc>
<longdesc lang="en">
The VMware vCenter protocol
</longdesc>
</parameter>
<parameter name="VI_PORTNUMBER">
<content type="string" default="443"/>
<shortdesc lang="en">VMware vCenter port number</shortdesc>
<longdesc lang="en">
The VMware vCenter port number
</longdesc>
</parameter>
<parameter name="VI_SERVICEPATH">
<content type="string" default="/sdk"/>
<shortdesc lang="en">VMware vCenter service path</shortdesc>
<longdesc lang="en">
The VMware vCenter services path
</longdesc>
</parameter>
<parameter name="VI_CREDSTORE" required="1">
<content type="string"/>
<shortdesc lang="en">VMware vCenter credentials store file</shortdesc>
<longdesc lang="en">
VMware vCenter credentials store file
</longdesc>
</parameter>
<parameter name="RESETPOWERON">
<content type="string" default="1"/>
<shortdesc lang="en">PowerOnVM on reset</shortdesc>
<longdesc lang="en">
Enable/disable a PowerOnVM on reset when the target virtual machine is off
Allowed values: 0, 1
</longdesc>
</parameter>
</parameters>} . "\n";
	}
	else { dielog("Invalid command specified: $command\n"); }
}

# Command belongs to the group of commands that require connecting to VMware vCenter
elsif ($command ~~ @netCommands) {

	eval { require VMware::VIRuntime; }
	or dielog("Missing perl module VMware::VIRuntime. Download and install 'VMware Infrastructure (VI) Perl Toolkit', available at http://www.vmware.com/support/developer/viperltoolkit/ \n");

	# A valid VI_CREDSTORE is required to avoid interactive prompt
	( exists $ENV{'VI_CREDSTORE'} ) || dielog("VI_CREDSTORE not specified\n");

	# HOSTLIST is mandatory
	exists $ENV{'HOSTLIST'} || dielog("HOSTLIST not specified\n");

	# Parse HOSTLIST to %host_to_vm and %vm_to_host
	my @hostlist = split(';', $ENV{'HOSTLIST'});
	my %host_to_vm = ();
	my %vm_to_host = ();
	foreach my $host (@hostlist) {
		my @config = split(/=/, $host);
		my $key = $config[0]; my $value = $config[1];
		if (!defined($value)) { $value = $config[0]; }
		$host_to_vm{$key} = $value;
		$vm_to_host{(lc $value)} = $key;
	}

	eval {
		# VI API: reads options from the environment variables into appropriate data structures for validation.
		Opts::parse();
		# VI API: ensures that input values from environment variable are complete, consistent and valid.
		Opts::validate();
		# VI API: establishes a session with the VirtualCenter Management Server or ESX Server Web service
		Util::connect();
	};
	if ($@) {
		# This is just a placeholder for any error handling procedure
		dielog($@);
	}

	# Command belongs to the group of commands that performs actions on Virtual Machines
	if ($command ~~ @actionCommands) {

		my $targetHost = $ARGV[1] || dielog("No target specified\n");

		# Require that specified target host exists in the specified HOSTLIST
		if (exists $host_to_vm{$targetHost}) {

			my $vm;
			my $esx;
			eval {
				# VI API: searches the inventory tree for a VirtualMachine managed entity whose name matches
				# the name of the virtual machine assigned to the target host in HOSTLIST
				$vm = Vim::find_entity_view(view_type => "VirtualMachine", filter => { name => qr/\Q$host_to_vm{$targetHost}\E/i });

				# VI API: retrieves the properties of the managed object reference runtime.host of the VirtualMachine
				# managed entity obtained by the previous command
				# NOTE: This is essentially a workaround to vSphere Perl SDK
				# to allow pointing to the right HostSystem. This is probably
				# done by changing the current HostSystem in the Web Service
				# session context. WARNING: Do not use the same session for any
				# other concurrent operation.
				$esx = Vim::get_view(mo_ref => $vm->{"runtime"}{"host"})->name;
			};
			if ($@) {
				if (ref($@) eq "SoapFault") { dielog("$@->detail\n"); }
				dielog($@);
			}

			my $powerState = $vm->get_property('runtime.powerState')->val;
			if ($powerState eq "suspended") {
				# This implementation assumes that suspending a cluster node can cause
				# severe failures on shared resources, thus any failover operation should
				# be blocked.
				dielog("Machine $esx:$vm->{'name'} is in a suspended state\n");
			}

			eval {
				if ($command eq "reset") {
					if ($powerState eq "poweredOn") {
						$vm->ResetVM();
						system("ha_log.sh", "info", "Machine $esx:$vm->{'name'} has been reset");
					} else {
						system("ha_log.sh", "warn", "Tried to ResetVM $esx:$vm->{'name'} that was $powerState");
						# Start a virtual machine on reset only if explicitly allowed by RESETPOWERON
						if ($powerState eq "poweredOff" && (! exists $ENV{'RESETPOWERON'} || $ENV{'RESETPOWERON'} ne 0)) {
							$vm->PowerOnVM();
							system("ha_log.sh", "info", "Machine $esx:$vm->{'name'} has been powered on");
						} else {
							dielog("Could not complete $esx:$vm->{'name'} power cycle");
						}
					}
				}
				elsif ($command eq "off") {
					if ($powerState eq "poweredOn") {
						$vm->PowerOffVM();
						system("ha_log.sh", "info", "Machine $esx:$vm->{'name'} has been powered off");
					} else {
						system("ha_log.sh", "warn", "Tried to PowerOffVM $esx:$vm->{'name'} that was $powerState");

					}
				}
				elsif ($command eq "on") {
					if ($powerState eq "poweredOff") {
						$vm->PowerOnVM();
						system("ha_log.sh", "info", "Machine $esx:$vm->{'name'} has been powered on");
					} else {
						system("ha_log.sh", "warn", "Tried to PowerOnVM $esx:$vm->{'name'} that was $powerState");
					}
				}
				else { dielog("Invalid command specified: $command\n"); }
			};
			if ($@) {
				if (ref($@) eq "SoapFault") { dielog("$@->detail\n"); }
				dielog($@);
			}

		} else { dielog("Invalid target specified\n"); }
	} else {
	# Command belongs to the group of commands that lookup the status of VMware vCenter and/or virtual machines
		if ($command eq "status") {
			eval {
				# VI API: Searches the inventory tree for all VirtualMachine managed objects
				my $vms = Vim::find_entity_views(view_type => "VirtualMachine");
			};
			if ($@) {
				if (ref($@) eq "SoapFault") { dielog("$@->detail\n"); }
				dielog($@);
			}
		}
		elsif ($command eq "gethosts") {
			# Create a regular expression to make vCenter find all the virtual machine matching
			# mirtual machine names specified in HOSTLIST
			# NOTE: this implementation make "gethosts" check that entries in HOSTLIST are consistent with VMware vCenter VM directory
			my $regex = join "|", map { qr/\Q$_\E/i } values %host_to_vm;
			eval {
				my $vms = Vim::find_entity_views(view_type => "VirtualMachine", filter => { name => qr/^($regex)$/ });
				foreach my $vm (@$vms) { print "$vm_to_host{(lc $vm->name)}\n" if exists $vm_to_host{(lc $vm->name)}; }
			};
			if ($@) {
				if (ref($@) eq "SoapFault") { dielog("$@->detail\n"); }
				dielog($@);
			}
		}
		else { dielog("Invalid command specified: $command\n"); }
	}
	eval {
		Util::disconnect();
	};
	if ($@) {
		# This is just a placeholder for any error handling procedure
		dielog($@);
	}
}
else { dielog("Invalid command specified: $command\n"); }

exit(0);