2014-08-18 08:29:43 +00:00
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#!/usr/bin/env ruby
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2015-01-30 08:08:18 +00:00
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require "ostruct"
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require "optparse"
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2015-01-28 21:22:30 +00:00
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require "json"
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2015-01-30 08:08:18 +00:00
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require_relative "lib/lxc"
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2014-08-18 08:29:43 +00:00
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def try_env(key)
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2015-01-28 21:22:30 +00:00
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ENV[key] or abort("environment variable '#{key}' not set")
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2014-08-18 08:29:43 +00:00
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end
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options = OpenStruct.new
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options.container_name = try_env("LXC_NAME")
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options.container_config = try_env("LXC_CONFIG_FILE")
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options.rootfs = try_env("LXC_ROOTFS_PATH")
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OptionParser.new do |opts|
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opts.banner = "Usage: create-lxc-config [options]"
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opts.on("-4", "--ipv4", "private Ipv4 subnet") do |v|
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options.ipv4 = v
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end
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opts.on("-6", "--ipv6", "public Ipv6 subnet") do |v|
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options.ipv6 = v
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end
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2015-01-28 21:22:30 +00:00
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opts.on("--dn42-ipv4", String, "dn42 ipv4") do |v|
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options.dn42_ipv4 = v
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end
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opts.on("--dn42-ipv6", String, "dn42 ipv6") do |v|
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options.dn42_ipv6 = v
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end
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2014-08-18 08:29:43 +00:00
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opts.on("--group GROUP", String, "set ansible group (default NONE)") do |group|
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options.group = group
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end
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opts.on("--vars FILE", String, "set json file for ansible variables") do |vars|
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begin
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options.vars = JSON.load(File.open(vars))
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unless options.vars.is_a? Hash
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abort "vars: Should be a json object"
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end
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rescue SystemCallError => e
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abort "Failed to open '#{vars}': #{e.message}"
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rescue JSON::ParserError => e
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abort "Failed to parse ansible variables: #{e.message}"
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end
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end
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end.parse!
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2015-01-30 08:08:18 +00:00
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registry = Lxc::Registry.new
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container = Lxc::Container.new(registry.data,
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name: options.container_name,
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ipv4: options.ipv4,
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ipv6: options.ipv6,
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rootfs: options.rootfs,
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dn42_ipv4: options.dn42_ipv4,
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dn42_ipv6: options.dn42_ipv4,
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group: options.group,
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vars: options.vars)
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2015-01-28 21:22:30 +00:00
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container.write_config(options.container_config)
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2015-01-30 08:08:18 +00:00
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registry.save
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