Ubuntu installs hang on hyperv-iso builder - firewall blocks access to preseed.cfg

[PatrickLang]

I'm using the 104 build of your branch, and ran into a problem where the Ubuntu install was hanging. I'm curious if you hit this or not in your setup. I suspect it could be a difference because my laptop is domain joined so I'm going to see if there are any default deny policies that could cause this.

Steps

1. packer build --only hyperv-iso -var 'hyperv_switchname=Ethernet' .\hyperv-ubuntu-16.04.json
2. Wait a while - it will get to a purple screen and hang
3. Go to VT2 (alt-f2), run ps - wget was hung
4. Look at firewall rules on Hyper-V host:

PS C:\Users\Patrick\Source\packer\builder\hyperv> Get-NetFirewallRule -name *pack*


Name                  : UDP Query User{A737BEBC-D140-435A-B83D-EA9E15B130AD}C:\packer\packer.exe
DisplayName           : packer
Description           : packer
DisplayGroup          :
Group                 :
Enabled               : True
Profile               : Domain, Public
Platform              : {}
Direction             : Inbound
Action                : Block
EdgeTraversalPolicy   : Block
LooseSourceMapping    : False
LocalOnlyMapping      : False
Owner                 :
PrimaryStatus         : OK
Status                : The rule was parsed successfully from the store. (65536)
EnforcementStatus     : NotApplicable
PolicyStoreSource     : PersistentStore
PolicyStoreSourceType : Local

Name                  : TCP Query User{473B0AEF-617B-415C-8229-B3A7A725898C}C:\packer\packer.exe
DisplayName           : packer
Description           : packer
DisplayGroup          :
Group                 :
Enabled               : True
Profile               : Domain, Public
Platform              : {}
Direction             : Inbound
Action                : Block
EdgeTraversalPolicy   : Block
LooseSourceMapping    : False
LocalOnlyMapping      : False
Owner                 :
PrimaryStatus         : OK
Status                : The rule was parsed successfully from the store. (65536)
EnforcementStatus     : NotApplicable
PolicyStoreSource     : PersistentStore
PolicyStoreSourceType : Local



PS C:\Users\Patrick\Source\packer\builder\hyperv> Get-NetFirewallRule -name *pack* | Get-NetFirewallAddressFilter


LocalAddress  : Any
RemoteAddress : Any

LocalAddress  : Any
RemoteAddress : Any



PS C:\Users\Patrick\Source\packer\builder\hyperv> Get-NetFirewallRule -name *pack* | Get-NetFirewallPortFilter


Protocol      : TCP
LocalPort     : Any
RemotePort    : Any
IcmpType      : Any
DynamicTarget : Any

Protocol      : UDP
LocalPort     : Any
RemotePort    : Any
IcmpType      : Any
DynamicTarget : Any

1. Change firewall rules to allow ports on all networks. This isn't really ideal, but it showed it was a firewall problem

Get-NetFirewallRule -name *pack* | Set-NetFirewallRule -Profile Private, Public, Domain -Enabled True -Action Allow

[taliesins]

I think documentation of what is required on the host is required. You would have the same issues with other builders and other hosts oses.