89 lines
1.8 KiB
Ruby
89 lines
1.8 KiB
Ruby
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require 'vagrant'
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module VagrantPlugins
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module Cachier
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class AptProxyConfig < Vagrant.plugin("2", :config)
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# HTTP proxy for Apt
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attr_accessor :http
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# HTTPS proxy for Apt
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attr_accessor :https
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def initialize
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@http = UNSET_VALUE
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@https = UNSET_VALUE
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end
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def finalize!
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@http = override_from_env_var('http', @http)
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@http = nil if @http == UNSET_VALUE
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@https = override_from_env_var('https', @https)
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@https = nil if @https == UNSET_VALUE
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end
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def enabled?
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!http.nil? || !https.nil?
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end
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# @return [String] the full configuration stanza
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def to_s
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"#{config_for('http')}#{config_for('https')}"
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end
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private
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def override_from_env_var(proto, default)
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ENV.fetch("APT_PROXY_#{proto.upcase}", default)
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end
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def config_for(proto)
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ConfigValue.new(proto, send(proto.to_sym))
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end
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class ConfigValue
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attr_reader :proto, :value
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# @param proto [String] the protocol ("http", "https")
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# @param value [Object] the configuration value
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def initialize(proto, value)
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@proto = proto
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@value = value
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end
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# @return [String] the full Apt configuration line
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def to_s
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set? ? %Q{Acquire::#{proto}::Proxy "#{proxy_uri}";\n} : ""
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end
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private
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def set?
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value && !value.empty?
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end
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def direct?
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value.upcase == "DIRECT"
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end
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def proxy_uri
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direct? ? "DIRECT" : "#{prefix}#{value}#{suffix}"
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end
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def prefix
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"#{proto}://" if value !~ %r{^.*://}
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end
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def suffix
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":#{default_port}" if value !~ %r{:\d+$}
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end
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def default_port
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3142
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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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