38 lines
1.3 KiB
Ruby
38 lines
1.3 KiB
Ruby
module VagrantPlugins
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module GuestDebian
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module Cap
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class ChangeHostName
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def self.change_host_name(machine, name)
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machine.communicate.tap do |comm|
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# Get the current hostname
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# if existing fqdn setup improperly, this returns just hostname
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old = ''
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comm.sudo "hostname -f" do |type, data|
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if type == :stdout
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old = data.chomp
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end
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end
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# this works even if they're not both fqdn
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if old.split('.')[0] != name.split('.')[0]
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comm.sudo("sed -i 's/.*$/#{name.split('.')[0]}/' /etc/hostname")
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# hosts should resemble:
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# 127.0.0.1 localhost host.fqdn.com host
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# 127.0.1.1 host.fqdn.com host
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comm.sudo("sed -ri 's@^(([0-9]{1,3}\.){3}[0-9]{1,3})\\s+(localhost)\\b.*$@\\1\\t\\3 #{name} #{name.split('.')[0]}@g' /etc/hosts")
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comm.sudo("sed -ri 's@^(([0-9]{1,3}\.){3}[0-9]{1,3})\\s+(#{old.split('.')[0]})\\b.*$@\\1\\t#{name} #{name.split('.')[0]}@g' /etc/hosts")
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comm.sudo("hostname -F /etc/hostname")
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comm.sudo("hostname --fqdn > /etc/mailname")
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comm.sudo("ifdown -a; ifup -a; ifup eth0")
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end
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end
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end
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end
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end
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end
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end
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