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Versions: 25
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Contents
# == PlatformManager::LSB
#
# A PlatformManager driver for LSB (Linux Standards Base) systems. The
# platform doesn't actually need to be Linux, but simply has to provide an
# <tt>lsb_release</tt> command.
class AutomateIt::PlatformManager::LSB < AutomateIt::PlatformManager::Uname
LSB_RELEASE = "lsb_release"
depends_on :programs => [LSB_RELEASE]
def suitability(method, *args) # :nodoc:
# Level must be greater than Uname and Debian
return available? ? 4 : 0
end
def setup(opts={}) # :nodoc:
super(opts) # Rely on Uname to set :os and :arch
@struct[:distro] ||= @@struct_cache[:distro]
@struct[:release] ||= @@struct_cache[:release]
if available?
unless @struct[:distro] and @struct[:release]
data = _read_lsb_release_output # SLOW 0.2s
begin
yaml = YAML::load(data)
@struct[:distro] ||= @@struct_cache[:distro] ||= yaml["Distributor ID"].to_s.downcase
@struct[:release] ||= @@struct_cache[:release] ||= yaml["Release"].to_s.downcase
rescue NoMethodError, IndexError, ArgumentError => e
raise ArgumentError.new("invalid YAML output from '#{LSB_RELEASE}': #{data.inspect}")
end
end
end
end
def _read_lsb_release_output
# Do NOT use 'lsb_release -a' because this takes a few seconds. Telling
# 'lsb_release' which fields we want makes it much faster.
return `"#{LSB_RELEASE}" --release --id`.gsub(/\t/, " ")
end
private :_read_lsb_release_output
end
Version data entries
25 entries across 25 versions & 1 rubygems