30 lines
822 B
Ruby
30 lines
822 B
Ruby
module VagrantPlugins
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module GuestAtomic
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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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comm = machine.communicate
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if !comm.test("hostname -f | grep '^#{name}$'", sudo: false)
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basename = name.split(".", 2)[0]
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comm.sudo <<-EOH.gsub(/^ {14}/, "")
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set -e
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# Set hostname
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hostnamectl set-hostname '#{basename}'
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# Remove comments and blank lines from /etc/hosts
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sed -i'' -e 's/#.*$//' -e '/^$/d' /etc/hosts
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# Prepend ourselves to /etc/hosts
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grep -w '#{name}' /etc/hosts || {
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sed -i'' '1i 127.0.0.1\\t#{name}\\t#{basename}' /etc/hosts
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}
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EOH
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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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