Class: Puppet::DataBinding::Jerakiaserver

Inherits:
Indirector::Code
  • Object
show all
Defined in:
lib/puppet/indirector/data_binding/jerakiaserver.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Jerakiaserver

Returns a new instance of Jerakiaserver.



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# File 'lib/puppet/indirector/data_binding/jerakiaserver.rb', line 13

def initialize(*args)
  @jerakia=::Jerakia::Client.new
  @scope_cache = {}
  super
end

Instance Attribute Details

#jerakia ⇒ Object (readonly)

Returns the value of attribute jerakia.



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# File 'lib/puppet/indirector/data_binding/jerakiaserver.rb', line 9

def jerakia
  @jerakia
end

#scope_cache ⇒ Object (readonly)

Returns the value of attribute scope_cache.



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# File 'lib/puppet/indirector/data_binding/jerakiaserver.rb', line 10

def scope_cache
  @scope_cache
end

Instance Method Details

#find(request) ⇒ Object 



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# File 'lib/puppet/indirector/data_binding/jerakiaserver.rb', line 37

def find(request)

  # Jerakia doesn't do anything with lookup_options, this behaviour is achieved
  # using schemas, therefore we always return nil here for the key
  return nil if request.key == 'lookup_options'

  lookupdata=request.key.split(/::/)
  key=lookupdata.pop
  namespace=lookupdata.join('/')
  metadata =  request.options[:variables].to_hash.reject { |k, v| v.is_a?(Puppet::Resource) }

  # If we are on an earlier version of Puppet that doesn't have trusted facts,
  # use the fqdn fact to identify us. Puppet 4 uses trusted.
  if metadata['trusted']
    identifier = metadata['trusted']['certname']
  else
    identifier = metadata['fqdn']
  end

  send_scope(identifier, metadata) unless scope_valid?(identifier, metadata)

  lookup_options = {
    :namespace => namespace,
    :scope => 'server',
    :scope_opts => {
      'identifier' => identifier,
      'realm' => 'puppet'
    }
  }

  begin
    lookup = jerakia.lookup(key, lookup_options)
  rescue Jerakia::Client::ScopeNotFoundError => e
    send_scope(identifier, metadata)
    lookup = jerakia.lookup(key, lookup_options)
  rescue => e
    raise Puppet::DataBinding::LookupError.new("Jerakia data lookup failed #{e.class}", e.message)
  end

  if lookup.is_a?(Hash)
    raise Puppet::DataBinding::LookupError.new("Jerakia data lookup failed", lookup['message']) unless lookup['status'] = 'ok'
    return lookup['payload']
  else
    raise Puppet::DataBinding::LookupError.new("Jerakia data lookup failed", "Expected a hash but got a #{lookup.class}")
  end
end

#scope_valid?(identifier, metadata) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/puppet/indirector/data_binding/jerakiaserver.rb', line 31

def scope_valid?(identifier, metadata)
  return false unless @scope_cache.include?(identifier)
  return false unless @scope_cache[identifier][:scope] == metadata
  return true
end

#send_scope(identifier, scope) ⇒ Object 



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# File 'lib/puppet/indirector/data_binding/jerakiaserver.rb', line 26

def send_scope(identifier, scope)
  returndata = jerakia.send_scope('puppet', identifier, scope)
  store_scope(identifier, returndata['uuid'], scope)
end

#store_scope(identifier, uuid, scope) ⇒ Object 



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# File 'lib/puppet/indirector/data_binding/jerakiaserver.rb', line 19

def store_scope(identifier, uuid, scope)
  @scope_cache[identifier] = {
    :uuid => uuid,
    :scope  => scope
  }
end