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Detect and disable DNS settings that break on Ubuntu 12.04.

This commit is contained in:
Jorgen H. Fjeld 2012-05-01 01:21:29 +02:00 committed by Mitchell Hashimoto
parent 13a27eb723
commit 6f5a9d13f3
1 changed files with 28 additions and 7 deletions
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25
lib/vagrant/action/vm/sane_defaults.rb
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@ -28,13 +28,34 @@ module Vagrant
] ]
attempt_and_log(command, "Enabling the Host I/O cache on the SATA controller...") attempt_and_log(command, "Enabling the Host I/O cache on the SATA controller...")
# Enable the DNS proxy while in NAT mode. This shields the guest enable_dns_proxy = true
# VM from external DNS changs on the host machine. begin
contents = File.read("/etc/resolv.conf")
if contents =~ /^nameserver 127\.0\.0\.1$/
# The use of both natdnsproxy and natdnshostresolver break on
# Ubuntu 12.04 that uses resolvconf with localhost. When used
# VirtualBox will give the client dns server 10.0.2.3, while
# not binding to that address itself. Therefore disable this
# feature if host uses the resolvconf server 127.0.0.1
@logger.info("Disabling DNS proxy since resolv.conf contains 127.0.0.1")
enable_dns_proxy = false
end
rescue Errno::ENOENT; end
# Enable/disable the NAT DNS proxy as necessary
if enable_dns_proxy
command = [ command = [
"modifyvm", env[:vm].uuid, "modifyvm", env[:vm].uuid,
"--natdnsproxy1", "on" "--natdnsproxy1", "on"
] ]
attempt_and_log(command, "Enable the NAT DNS proxy on adapter 1...") attempt_and_log(command, "Enable the NAT DNS proxy on adapter 1...")
else
command = [ "modifyvm", env[:vm].uuid, "--natdnsproxy1", "off" ]
attempt_and_log(command, "Disable the NAT DNS proxy on adapter 1...")
command = [ "modifyvm", env[:vm].uuid, "--natdnshostresolver1", "off" ]
attempt_and_log(command, "Disable the NAT DNS resolver on adapter 1...")
end
@app.call(env) @app.call(env)
end end