lxc-config/hooks/cleanup-lxc-config

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#!/usr/bin/env ruby
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require_relative "lib/lxc"
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registry = Lxc::Registry.new
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containers = `lxc-ls -1`.split(/\n/)
modified = false
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network = registry.data["network"] || {}
network.each do |host, value|
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unless containers.include?(host) or value["lxc"] == false
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network.delete(host)
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modified = true
end
end
if modified
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registry.save
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else
puts "Unchanged"
end