vaguerent/plugins/guests/suse/cap/change_host_name.rb

43 lines
1.5 KiB
Ruby

module VagrantPlugins
module GuestSUSE
module Cap
class ChangeHostName
def self.change_host_name(machine, name)
comm = machine.communicate
basename = name.split(".", 2)[0]
if !comm.test('test "$(hostnamectl --static status)" = "#{basename}"', sudo: false)
comm.sudo <<-EOH.gsub(/^ {14}/, '')
hostnamectl set-hostname '#{basename}'
echo #{name} > /etc/HOSTNAME
EOH
network_with_hostname = machine.config.vm.networks.map {|t, c| c if c[:hostname] }.compact[0]
if network_with_hostname
replace_host(comm, name, basename, network_with_hostname[:ip])
else
add_hostname_to_loopback(comm, name, basename)
end
end
end
def self.add_hostname_to_loopback(comm, name, basename)
# Add hostname to /etc/hosts if not already there
comm.sudo <<-EOH.gsub(/^ {14}/, '')
grep -w '#{name}' /etc/hosts || {
sed -i'' '1i 127.0.0.1\\t#{name}\\t#{basename}' /etc/hosts
}
EOH
end
def self.replace_host(comm, name, basename, ip)
# Remove any line in /etc/hosts that contains hostname,
# then add hostname with associated ip
comm.sudo <<-EOH.gsub(/^ {14}/, '')
sed -i '/#{name}/d' /etc/hosts
sed -i'' '1i '#{ip}'\\t#{name}\\t#{basename}' /etc/hosts
EOH
end
end
end
end
end