vagrant/plugins/guests/debian/cap/change_host_name.rb

49 lines
1.4 KiB
Ruby

module VagrantPlugins
module GuestDebian
module Cap
class ChangeHostName
# For more information, please see:
#
# https://wiki.debian.org/HowTo/ChangeHostname
#
def self.change_host_name(machine, name)
comm = machine.communicate
if !comm.test("hostname -f | grep '^#{name}$'", sudo: false)
basename = name.split(".", 2)[0]
comm.sudo <<-EOH.gsub(/^ {14}/, '')
# Set the hostname
echo '#{basename}' > /etc/hostname
hostname -F /etc/hostname
# Remove comments and blank lines from /etc/hosts
sed -i'' -e 's/#.*$//' -e '/^$/d' /etc/hosts
# Prepend ourselves to /etc/hosts
grep -w '#{name}' /etc/hosts || {
sed -i'' '1i 127.0.0.1\\t#{name}\\t#{basename}' /etc/hosts
}
# Update mailname
echo '#{name}' > /etc/mailname
# Restart networking and force new DHCP
if [ test -f /etc/init.d/hostname.sh ]; then
invoke-rc.d hostname.sh start
fi
if [ test -f /etc/init.d/networking ]; then
invoke-rc.d networking force-reload
fi
if [ test -f /etc/init.d/network-manager ]; then
invoke-rc.d network-manager force-reload
fi
EOH
end
end
end
end
end
end