Create-VM.PS1

1. # Create-VM.ps1 
2. # Script that creates VMs 
3. # Version 1.0.0 - 20 Jan 2013 
4. # See http://tfl09.blogspot.co.uk/2013/01/building-hyper-v-test-lab-on-windows-8.html 
5.  
6. # First define the Create-VM Function 
7.  
8. Function Create-VM { 
9. #=================================================== 
10. # Create a New VM 
11. #=================================================== 
12.  
13. # Parameters are Name, Virtual Machine Path, path to reference Vhdx,
14. # network switch to use, VM Memory, Unattend file, IP address and DNS
15. # Server to set. Default values are specified in the Param block,
16. # but these are normally overridden in the call to Create0VM 
17.  
18.  
19. [Cmdletbinding()] 
20. Param (  
21.  $Name         = "Server", 
22.  $VmPath       = "C:\v3", 
23.  $ReferenceVHD = "C:\v3\Ref2012.vhdx", 
24.  $Network      = "Internal", 
25.  $VMMemory     = 512mb, 
26.  $UnattendXML  = "C:\v3\unattend.xml", 
27.  $IPAddr       = '10.0.0.250/24', 
28.  $DnsSvr       = '10.0.0.10' 
29. ) 
30.  
31. $Starttime = Get-Date 
32. Write-Verbose "Starting Create-VM at $Starttime" 
33. Write-verbose "Creating VM: [$name]" 
34. Write-verbose "Path to VM : [$VMpath]" 
35.  
36. #    Set path to differencing disk location 
37. $path = "$vmpath\$name.vhdx" 
38. Write-Verbose "Creating Disk at [$path]" 
39.  
40. #    Add a new differencing VHDX, Based on parent parent 
41. $vmDisk01 = New-VHD –Path $path -Differencing –ParentPath $ReferenceVHD -ErrorAction Stop 
42. Write-Verbose "Added VM Disk [$VMdisk01], pointing to [ReferenceVHD]" 
43.  
44. #    Create a New VM 
45. $VM = New-VM –Name $name –MemoryStartupBytes $VMMemory –VHDPath $VMDisk01.path -SwitchName $Network -Path $vmPath 
46. Write-Verbose "VM [$name] created" 
47.  
48. # Mount the Disk into the VM 
49. Mount-DiskImage -ImagePath $path 
50. $VHDDisk = Get-DiskImage -ImagePath $path | Get-Disk 
51. $VHDPart = Get-Partition -DiskNumber $VHDDisk.Number 
52. $VHDVolumeName = [string]$VHDPart.DriveLetter 
53. $VHDVolume = [string]$VHDPart.DriveLetter + ":" 
54. Write-verbose "Volume [$Volumename] created in VM [$name]" 
55.  
56.  
57. #    Get Unattended.XML file 
58. Write-Verbose "Using Unattended XML file [$unattendXML]" 
59.  
60. #    Open XML file 
61. $Xml = [xml](get-content $UnattendXML) 
62.  
63. #    Change ComputerName 
64. Write-Verbose "Setting VM ComputerName to: [$name]" 
65. $Xml.unattend.settings.component | Where-Object { $_.Name -eq "Microsoft-Windows-Shell-Setup" } | 
66.  ForEach-Object { 
67.    if($_.ComputerName) { 
68.      $_.ComputerName = $name 
69.    } 
70. } 
71.  
72. #    Change IP address 
73. Write-Verbose "Setting VM ComputerName to: [$name]" 
74. $Xml.unattend.settings.component | Where-Object { $_.Name -eq "Microsoft-Windows-TCPIP" } | 
75.   ForEach-Object { 
76.  
77.     if($_.Interfaces) { 
78.       $ht='#text' 
79.       $_.interfaces.interface.unicastIPaddresses.ipaddress.$ht = $IPAddr 
80.   } 
81. } 
82.  
83. #    Change DNS Server address 
84. #    Use obscure way to create the #TEXT node 
85. Write-Verbose "Setting VM DNS address to: [$DNSSvr]" 
86. $Xml.Unattend.Settings.Component | Where-Object { $_.Name -eq "Microsoft-Windows-DNS-Client" } | 
87.   ForEach-Object { 
88.       if($_.Interfaces) { 
89.       $ht='#text' 
90.       $_.Interfaces.Interface.DNSServerSearchOrder.Ipaddress.$ht = $DNSSvr 
91.   } 
92. } 
93.  
94. #    Save XML File on Mounted VHDX differencing disk 
95. $xml.Save("$VHDVolume\Unattend.XML") 
96. Write-Verbose "Unattended XML file saved to vhd [$vhdvolume\unattend.xml]" 
97.  
98. #    Dismount VHDX  
99. Write-Verbose "Dismounting disk image: [$Path]" 
100. Dismount-DiskImage -ImagePath $path 
101.  
102. #    Update additional VM settings 
103. Write-Verbose 'Setting additional VM settings' 
104. Set-VM -Name $name -DynamicMemory 
105. Set-VM -Name $name -MemoryMinimumBytes $VMMemory 
106. Set-VM -Name $name -AutomaticStartAction Nothing 
107. Set-Vm -Name $name -AutomaticStopAction ShutDown 
108.  
109. #    Show what has been created! 
110. "VM Created:" 
111. Get-VM -Name $name | fl * 
112.  
113. #    Start VM 
114. Write-verbose "VM [$Name] being started" 
115. Start-VM -Name $name 
116.  
117. #    Now work out and write how long it took to create the VM 
118. $Finishtime = Get-Date 
119. Write-Verbose ("Creating VB ($name) took {0} seconds" -f ($FinishTime - $Starttime).totalseconds) 
120. }  # End of Create-VM function 
121.  
122.  
123. ####################################################################################################### 
124. #       CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS     # 
125. #       CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS     # 
126. #       CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS     # 
127.  
128. # Location of Server 2012 DVD Iso Image 
129. $iso   = 'c:\Builds\9200.16384.120725-1247_x64frev_Server_Datacenter_VL_HRM_SSS_X64FREV_EN-US_DVD.iso' 
130. # Where we put the reference VHDX 
131. $ref   = 'c:\v3\Ref2012.vhdx' 
132. # Path were VMs, VHDXs and unattend.txt files live 
133. $path  = 'c:\V3' 
134. # Location of Unattend.xml - first for workstation systems, second for domain joined systems  
135. $una   = 'c:\V3\UnAttend.xml' 
136. $unadj = 'c:\V3\UnAttend.dj.xml' 
137.  
138. #       CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS     # 
139. #       CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS     # 
140. #       CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS ===== CHECK THESE PATHS     # 
141. ####################################################################################################### 
142.  
143. #   Now run the script to create the VMs as appropriate. 
144. $Start = Get-Date 
145. "Create-VM --- Started at: $Start" 
146.  
147. #################################################################### 
148. # Comment out VMs you do NOT want to create then run the entire script 
149. # To comment out a VM creation, just add a '#" at the start of the line.  
150. #        Removing the comment line means you want to create that VM.  
151. #        BE creful!  If you make a mistake, stop the script. Kill any VMs created, then remove the 
152. #        storage for the VMs.  
153. ####################################################################################################### 
154.  
155. #    Create the DC - NON-domained joined 
156. # Create-VM -name "DC1"  -VmPath $path -ReferenceVHD $ref -Network "Internal" -UnattendXML $una -Verbose -IPAddr '10.0.0.10/24' -DNSSvr 10.0.0.10  -VMMemory 1gb 
157.  
158. #    Remaining VMs use the domain-join version of unattend.xml 
159. # Create-VM -name "Srv1"  -VmPath $path -ReferenceVHD $ref -Network "Internal" -UnattendXML $unadj -Verbose -IPAddr '10.0.0.30/24' -DNSSvr 10.0.0.10  -VMMemory 512mb 
160. # Create-VM -name "Srv2"  -VmPath $path -ReferenceVHD $ref -Network "Internal" -UnattendXML $unadj -Verbose -IPAddr '10.0.0.31/24' -DNSSvr 10.0.0.10  -VMMemory 512mb 
161. # Create-VM -name "Sql1"  -VmPath $path -ReferenceVHD $ref -Network "Internal" -UnattendXML $unadj -Verbose -IPAddr '10.0.0.20/24' -DNSSvr 10.0.0.10  -VMMemory 768mb 
162. # Create-VM -name "Exch1" -VmPath $path -ReferenceVHD $ref -Network "Internal" -UnattendXML $unadj -Verbose -IPAddr '10.0.0.21/24' -DNSSvr 10.0.0.10  -VMMemory 768mb 
163.  
164. #    DHCP 1,2 for advanced networking class 
165. # Create-VM -name "DHCP1" -VmPath $path -ReferenceVHD $ref -Network "Internal" -UnattendXML $unadj -Verbose -IPAddr '10.0.0.51/24' -DNSSvr 10.0.0.10 -VMMemory 512mb 
166. # Create-VM -name "DHCP2" -VmPath $path -ReferenceVHD $ref -Network "Internal" -UnattendXML $unadj -Verbose -IPAddr '10.0.0.52/24' -DNSSvr 10.0.0.10 -VMMemory 512mb 
167.  
168. #    Create a second DC for reskit.org for advanced class 
169. # Create-VM -name "DC2"  -vmPath $path -ReferenceVHD $ref -network "Internal" -UnattendXML $unadj -Verbose -IPAddr '10.0.0.11/24' -DNSSvr 10.0.0.10  -VMMemory 512mb 
170.  
171.  
172. #  script is all done - just say nice things and quit. 
173. $Finish = Get-Date 
174. "Create-VM --- Finished at: $Finish" 
175. "Elapsed Time :  $(($Finish-$Start).totalseconds) seconds" 
176.   

Technorati Tags: Deployment,VM,Hyper-V,PowerShell