Class: Oxidized::Nodes

Inherits:
Array
  • Object
show all
Defined in:
lib/oxidized/nodes.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/oxidized/nodes.rb', line 7

def source
  @source
end

Instance Method Details

#fetch(node, group) ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 48

def fetch node, group
  with_lock do
    i = find_node_index node
    output = self[i].output.new
    raise Oxidized::NotSupported unless output.respond_to? :fetch
    output.fetch node, group
  end
end

#find_node_index(node) ⇒ Fixnum

Returns index number of node in Nodes.

Parameters:

  • node —

    node whose index number in Nodes to find

Returns:

  • (Fixnum) —

    index number of node in Nodes



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# File 'lib/oxidized/nodes.rb', line 82

def find_node_index node
  find_index node or raise Oxidized::NodeNotFound, "unable to find '#{node}'"
end

#get ⇒ String

Returns node from the head of the array.

Returns:

  • (String) —

    node from the head of the array



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# File 'lib/oxidized/nodes.rb', line 74

def get
  with_lock do
    (self << shift).last
  end
end

#list ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 35

def list
  with_lock do
    map { |e| e.serialize }
  end
end

#load(node_want = nil) ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 9

def load node_want=nil
  with_lock do
    new = []
    node_want_ip = (IPAddr.new(node_want) rescue false) if node_want
    @source = CFG.source.default
    Oxidized.mgr.add_source @source
    Oxidized.mgr.source[@source].new.load.each do |node|

      # we want to load specific node(s), not all of them
      if node_want
        next unless node_want_ip == node[:ip] or node_want.match(node[:name])
      end

      begin
        _node = Node.new node
        new.push _node
      rescue ModelNotFound => err
        Log.error "node %s raised %s with message '%s'" % [node, err.class, err.message]
      rescue Resolv::ResolvError => err
        Log.error "node %s is not resolvable, raised %s with message '%s'" % [node, err.class, err.message]
      end
    end
    size == 0 ? replace(new) : update_nodes(new)
  end
end

#next(node, opt = {}) ⇒ Object Also known as: top

Parameters:

  • node (String) —

    name of the node moved into the head of array



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# File 'lib/oxidized/nodes.rb', line 58

def next node, opt={}
  if waiting.find_node_index(node)
    with_lock do
      n = del node
      n.user = opt['user']
      n.msg  = opt['msg']
      n.from = opt['from']
      # set last job to nil so that the node is picked for immediate update
      n.last = nil
      put n
    end
  end
end

#show(node) ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 41

def show node
  with_lock do
    i = find_node_index node
    self[i].serialize
  end
end