47 lines
1.7 KiB
Ruby
47 lines
1.7 KiB
Ruby
module VagrantPlugins
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module GuestALT
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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}$'", sudo: false)
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basename = name.split('.', 2)[0]
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comm.sudo <<-EOH.gsub(/^ {14}/, '')
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# Save current hostname saved in /etc/hosts
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CURRENT_HOSTNAME_FULL="$(hostname -f)"
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CURRENT_HOSTNAME_SHORT="$(hostname -s)"
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# New hostname to be saved in /etc/hosts
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NEW_HOSTNAME_FULL='#{name}'
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NEW_HOSTNAME_SHORT="${NEW_HOSTNAME_FULL%%.*}"
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# Update sysconfig
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sed -i 's/\\(HOSTNAME=\\).*/\\1#{name}/' /etc/sysconfig/network
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# Set the hostname - use hostnamectl if available
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if command -v hostnamectl; then
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hostnamectl set-hostname --static '#{name}'
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hostnamectl set-hostname --transient '#{name}'
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else
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hostname '#{name}'
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fi
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# Update ourselves in /etc/hosts
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if grep -w "$CURRENT_HOSTNAME_FULL" /etc/hosts; then
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sed -i -e "s/\(\s\)$CURRENT_HOSTNAME_FULL\(\s\)/\1$NEW_HOSTNAME_FULL\2/g" -e "s/\(\s\)$CURRENT_HOSTNAME_FULL$/\1$NEW_HOSTNAME_FULL/g" /etc/hosts
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fi
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if grep -w "$CURRENT_HOSTNAME_SHORT" /etc/hosts; then
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sed -i -e "s/\(\s\)$CURRENT_HOSTNAME_SHORT\(\s\)/\1$NEW_HOSTNAME_SHORT\2/g" -e "s/\(\s\)$CURRENT_HOSTNAME_SHORT$/\1$NEW_HOSTNAME_SHORT/g" /etc/hosts
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fi
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# Restart network
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service network restart
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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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