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Puppet::Type.type(:sysctl_runtime).provide(:sysctl_runtime,
:parent => Puppet::Provider
) do
desc "This provider changes the runtime values of kernel parameters"
commands :sysctl => 'sysctl'
mk_resource_methods
def self.instances
#we don't use here the sysctl command to be able
#to disable combining of stderr/stdout output.
#Sysctl produces mixed output in case of error,
#and it can't be parsed.
#https://ask.puppetlabs.com/question/6299/combine-false-for-provider-commands/
executor = (Facter.value(:puppetversion).to_i < 3) ? Puppet::Util : Puppet::Util::Execution
output = executor.execute("#{Puppet::Util.which('sysctl')} -a", {
:failonfail => true,
:combine => false,
:custom_environment => {}
})
output.split("\n").collect do |line|
# lovely linux shows "fs.dir-notify-enable = 1"
# lovely openbsd shows "fs.dir-notify-enable=1"
name, val = line.split(/\s?[=:]\s?/,2)
if name && val # maybe the line didn't match key = val
new(
:name => name,
:val => val
)
end
end.compact
end
def self.prefetch(resources)
sysctl_flags = instances
resources.keys.each do |res|
if provider = sysctl_flags.find{ |sres| sres.name == res }
resources[res].provider = provider
else
raise(Puppet::ParseError, "sysctl parameter #{res} wasn't found on this system")
end
end
end
def val=(value)
sysctl("#{resource[:name]}=#{value}")
end
end
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