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+#!/usr/bin/perl -w
+
+# A perl object to provide a simple, unified method of handling some
+# VMware Server VM management functions using the perl and VIX API's.
+# Copyright Brad Henry <brad@samba.org> 2006
+# Released under the GNU GPL version 3 or later.
+
+# VMware Perl API
+use VMware::VmPerl;
+use VMware::VmPerl::VM;
+use VMware::VmPerl::ConnectParams;
+
+# VMware C bindings
+use VMware::Vix::Simple;
+use VMware::Vix::API::Constants;
+
+# Create a class to abstract from the Vix and VMPerl APIs.
+{ package VMHost;
+ my $perl_vm = VMware::VmPerl::VM::new();
+ my $perl_vm_credentials;
+ my $vix_vm;
+ my $vix_vm_host;
+
+ my $err_code = 0;
+ my $err_str = "";
+
+ my $hostname;
+ my $port;
+ my $username;
+ my $password;
+ my $vm_cfg_path;
+ my $guest_admin_username;
+ my $guest_admin_password;
+
+ sub error {
+ my $old_err_code = $err_code;
+ my $old_err_str = $err_str;
+ $err_code = 0;
+ $err_str = "";
+ return ($old_err_code, $old_err_str);
+ }
+
+ # Power on the guest if it isn't already running.
+ # Returns 0 when the guest is already running, and
+ # if not, it waits until it is started.
+ sub start_guest {
+ my $vm_power_state = $perl_vm->get_execution_state();
+ if (!defined($vm_power_state)) {
+ ($err_code, $err_str) = $perl_vm->get_last_error();
+ return ($err_code);
+ }
+ if ($vm_power_state == VMware::VmPerl::VM_EXECUTION_STATE_OFF
+ || $vm_power_state ==
+ VMware::VmPerl::VM_EXECUTION_STATE_SUSPENDED)
+ {
+ if (!$perl_vm->start()) {
+ ($err_code, $err_str) =
+ $perl_vm->get_last_error();
+ return ($err_code);
+ }
+ while ($perl_vm->get_tools_last_active() == 0) {
+ sleep(60);
+ }
+ }
+ return ($err_code);
+ }
+
+ sub host_connect {
+ # When called as a method, the first parameter passed is the
+ # name of the method. Called locally, this function will lose
+ # the first parameter.
+ shift @_;
+ ($hostname, $port, $username, $password, $vm_cfg_path,
+ $guest_admin_username, $guest_admin_password) = @_;
+
+ # Connect to host using vmperl api.
+ $perl_vm_credentials =
+ VMware::VmPerl::ConnectParams::new($hostname, $port,
+ $username, $password);
+ if (!$perl_vm->connect($perl_vm_credentials, $vm_cfg_path)) {
+ ($err_code, $err_str) = $perl_vm->get_last_error();
+ undef $perl_vm;
+ return ($err_code);
+ }
+
+ # Connect to host using vix api.
+ ($err_code, $vix_vm_host) =
+ VMware::Vix::Simple::HostConnect(
+ VMware::Vix::Simple::VIX_API_VERSION,
+ VMware::Vix::Simple::VIX_SERVICEPROVIDER_VMWARE_SERVER,
+ $hostname, $port, $username, $password,
+ 0, VMware::Vix::Simple::VIX_INVALID_HANDLE);
+ if ($err_code != VMware::Vix::Simple::VIX_OK) {
+ $err_str =
+ VMware::Vix::Simple::GetErrorText($err_code);
+ undef $perl_vm;
+ undef $vix_vm;
+ undef $vix_vm_host;
+ return ($err_code);
+ }
+
+ # Power on our guest os if it isn't already running.
+ $err_code = start_guest();
+ if ($err_code != 0) {
+ my $old_err_str = $err_str;
+ $err_str = "Starting guest power after connect " .
+ "failed: " . $old_err_str;
+ undef $perl_vm;
+ undef $vix_vm;
+ undef $vix_vm_host;
+ return ($err_code);
+ }
+
+ # Open VM.
+ ($err_code, $vix_vm) =
+ VMware::Vix::Simple::VMOpen($vix_vm_host, $vm_cfg_path);
+ if ($err_code != VMware::Vix::Simple::VIX_OK) {
+ $err_str =
+ VMware::Vix::Simple::GetErrorText($err_code);
+ undef $perl_vm;
+ undef $vix_vm;
+ undef $vix_vm_host;
+ return ($err_code);
+ }
+
+ # Login to $vix_vm guest OS.
+ $err_code = VMware::Vix::Simple::VMLoginInGuest($vix_vm,
+ $guest_admin_username, $guest_admin_password,
+ 0);
+ if ($err_code != VMware::Vix::Simple::VIX_OK) {
+ $err_str =
+ VMware::Vix::Simple::GetErrorText($err_code);
+ undef $perl_vm;
+ undef $vix_vm;
+ undef $vix_vm_host;
+ return ($err_code);
+ }
+ return ($err_code);
+ }
+
+ sub host_disconnect {
+ undef $perl_vm;
+
+ $perl_vm = VMware::VmPerl::VM::new();
+ if (!$perl_vm) {
+ $err_code = 1;
+ $err_str = "Error creating new VmPerl object";
+ }
+
+ undef $vix_vm;
+ VMware::Vix::Simple::HostDisconnect($vix_vm_host);
+ VMware::Vix::Simple::ReleaseHandle($vix_vm_host);
+ return ($err_code);
+ }
+
+ sub host_reconnect {
+ $err_code = host_disconnect();
+ if ($err_code != 0) {
+ my $old_err_str = $err_str;
+ $err_str = "Disconnecting from host failed: " .
+ $old_err_str;
+ return ($err_code);
+ }
+
+ $err_code = host_connect(NULL, $hostname, $port, $username,
+ $password, $vm_cfg_path, $guest_admin_username,
+ $guest_admin_password);
+ if ($err_code != 0) {
+ my $old_err_str = $err_str;
+ $err_str = "Re-connecting to host failed: " .
+ $old_err_str;
+ return ($err_code);
+ }
+ return ($err_code);
+ }
+
+ sub create_snapshot {
+ my $snapshot;
+
+ ($err_code, $snapshot) =
+ VMware::Vix::Simple::VMCreateSnapshot($vix_vm,
+ "Snapshot", "Created by vm_setup.pl", 0,
+ VMware::Vix::Simple::VIX_INVALID_HANDLE);
+
+ VMware::Vix::Simple::ReleaseHandle($snapshot);
+
+ if ($err_code != VMware::Vix::Simple::VIX_OK) {
+ $err_str =
+ VMware::Vix::Simple::GetErrorText($err_code);
+ return $err_code;
+ }
+
+ $err_code = host_reconnect();
+ if ($err_code != 0) {
+ my $old_err_str = $err_str;
+ $err_str = "Reconnecting to host after creating " .
+ "snapshot: " . $old_err_str;
+ return ($err_code);
+ }
+ return ($err_code);
+ }
+
+ sub revert_snapshot {
+ # Because of problems with VMRevertToSnapshot(), we have to
+ # rely on the guest having set 'Revert to Snapshot' following
+ # a power-off event.
+ $err_code = VMware::Vix::Simple::VMPowerOff($vix_vm, 0);
+ if ($err_code != VMware::Vix::Simple::VIX_OK) {
+ $err_str =
+ VMware::Vix::Simple::GetErrorText($err_code);
+ return $err_code;
+ }
+
+ # host_reconnect() will power-on a guest in a non-running state.
+ $err_code = host_reconnect();
+ if ($err_code != 0) {
+ my $old_err_str = $err_str;
+ $err_str = "Reconnecting to host after reverting " .
+ "snapshot: " . $old_err_str;
+ return ($err_code);
+ }
+ return ($err_code);
+ }
+
+ # $dest_path must exist. It doesn't get created.
+ sub copy_files_to_guest {
+ shift @_;
+ my (%files) = @_;
+
+ my $src_file;
+ my $dest_file;
+
+ foreach $src_file (keys(%files)) {
+ $dest_file = $files{$src_file};
+ $err_code =
+ VMware::Vix::Simple::VMCopyFileFromHostToGuest(
+ $vix_vm, $src_file, $dest_file, 0,
+ VMware::Vix::Simple::VIX_INVALID_HANDLE);
+ if ($err_code != VMware::Vix::Simple::VIX_OK) {
+ $err_str = "Copying $src_file: " .
+ VMware::Vix::Simple::GetErrorText(
+ $err_code);
+ return $err_code;
+ }
+ }
+ return $err_code;
+ }
+
+ sub copy_to_guest {
+ # Read parameters $src_path, $dest_path.
+ shift @_;
+ my ($src_path, $dest_dir) = @_;
+
+ my $len = length($dest_dir);
+ my $idx = rindex($dest_dir, '\\');
+ if ($idx != ($len - 1)) {
+ $err_code = -1;
+ $err_str = "Destination $dest_dir must be a " .
+ "directory path";
+ return ($err_code);
+ }
+
+ # Create the directory $dest_path on the guest VM filesystem.
+ my $cmd = "cmd.exe ";
+ my $cmd_args = "/C MKDIR " . $dest_dir;
+ $err_code = run_on_guest(NULL, $cmd, $cmd_args);
+ if ( $err_code != 0) {
+ my $old_err_str = $err_str;
+ $err_str = "Creating directory $dest_dir on host: " .
+ $old_err_str;
+ return ($err_code);
+ }
+
+ # If $src_filepath specifies a file, create it in $dest_path
+ # and keep the same name.
+ # If $src_path is a directory, create the files it contains in
+ # $dest_path, keeping the same names.
+ $len = length($src_path);
+ my %files;
+ $idx = rindex($src_path, '/');
+ if ($idx == ($len - 1)) {
+ # $src_path is a directory.
+ if (!opendir (DIR_HANDLE, $src_path)) {
+ $err_code = -1;
+ $err_str = "Error opening directory $src_path";
+ return $err_code;
+ }
+
+ foreach $file (readdir DIR_HANDLE) {
+ my $src_file = $src_path . $file;
+
+ if (!opendir(DIR_HANDLE2, $src_file)) {
+ # We aren't interested in subdirs.
+ my $dest_path = $dest_dir . $file;
+ $files{$src_file} = $dest_path;
+ } else {
+ closedir(DIR_HANDLE2);
+ }
+ }
+ } else {
+ # Strip if preceding path from $src_path.
+ my $src_file = substr($src_path, ($idx + 1), $len);
+ my $dest_path = $dest_dir . $src_file;
+
+ # Add $src_path => $dest_path to %files.
+ $files{$src_path} = $dest_path;
+ }
+
+ $err_code = copy_files_to_guest(NULL, %files);
+ if ($err_code != 0) {
+ my $old_err_str = $err_str;
+ $err_str = "Copying files to host after " .
+ "populating %files: " . $old_err_str;
+ return ($err_code);
+ }
+ return ($err_code);
+ }
+
+ sub run_on_guest {
+ # Read parameters $cmd, $cmd_args.
+ shift @_;
+ my ($cmd, $cmd_args) = @_;
+
+ $err_code = VMware::Vix::Simple::VMRunProgramInGuest($vix_vm,
+ $cmd, $cmd_args, 0,
+ VMware::Vix::Simple::VIX_INVALID_HANDLE);
+ if ($err_code != VMware::Vix::Simple::VIX_OK) {
+ $err_str = VMware::Vix::Simple::GetErrorText(
+ $err_code);
+ return ($err_code);
+ }
+
+ return ($err_code);
+ }
+
+ sub get_guest_ip {
+ my $guest_ip = $perl_vm->get_guest_info('ip');
+
+ if (!defined($guest_ip)) {
+ ($err_code, $err_str) = $perl_vm->get_last_error();
+ return NULL;
+ }
+
+ if (!($guest_ip)) {
+ $err_code = 1;
+ $err_str = "Guest did not set the 'ip' variable";
+ return NULL;
+ }
+ return $guest_ip;
+ }
+
+ sub DESTROY {
+ host_disconnect();
+ undef $perl_vm;
+ undef $vix_vm_host;
+ }
+}
+
+return TRUE;