76 lines
2.6 KiB
Ruby
76 lines
2.6 KiB
Ruby
module Vagrant
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module LXC
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class Config < Vagrant.plugin("2", :config)
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# An array of container's configuration overrides to be provided to `lxc-start`.
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#
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# @return [Array]
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attr_reader :customizations
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# A string that contains the backing store type used with lxc-create -B
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attr_accessor :backingstore
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# Optional arguments for the backing store, such as --fssize, --fstype, ...
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attr_accessor :backingstore_options
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# A String that points to a file that acts as a wrapper for sudo commands.
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#
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# This allows us to have a single entry when whitelisting NOPASSWD commands
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# on /etc/sudoers
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attr_accessor :sudo_wrapper
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# A string to explicitly set the container name. To use the vagrant
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# machine name, set this to :machine
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attr_accessor :container_name
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def initialize
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@customizations = []
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@backingstore = UNSET_VALUE
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@backingstore_options = []
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@sudo_wrapper = UNSET_VALUE
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@container_name = UNSET_VALUE
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end
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# Customize the container by calling `lxc-start` with the given
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# configuration overrides.
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#
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# For example, if you want to set the memory limit, you can use it
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# like: config.customize 'cgroup.memory.limit_in_bytes', '400M'
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#
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# When `lxc-start`ing the container, vagrant-lxc will pass in
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# "-s lxc.cgroup.memory.limit_in_bytes=400M" to it.
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#
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# @param [String] key Configuration key to override
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# @param [String] value Configuration value to override
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def customize(key, value)
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@customizations << [key, value]
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end
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# Stores options for backingstores like lvm, btrfs, etc
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def backingstore_option(key, value)
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@backingstore_options << [key, value]
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end
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def finalize!
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@sudo_wrapper = nil if @sudo_wrapper == UNSET_VALUE
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@container_name = nil if @container_name == UNSET_VALUE
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@backingstore = "none" if @backingstore == UNSET_VALUE
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@existing_container_name = nil if @existing_container_name == UNSET_VALUE
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end
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def validate(machine)
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errors = []
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if @sudo_wrapper
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hostpath = Pathname.new(@sudo_wrapper).expand_path(machine.env.root_path)
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if ! hostpath.file?
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errors << I18n.t('vagrant_lxc.sudo_wrapper_not_found', path: hostpath.to_s)
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elsif ! hostpath.executable?
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errors << I18n.t('vagrant_lxc.sudo_wrapper_not_executable', path: hostpath.to_s)
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end
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end
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{ "lxc provider" => errors }
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end
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end
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end
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end
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