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 58

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 92

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 84

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

#get_diff(node, group, oid1, oid2) ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 172

def get_diff node, group, oid1, oid2
  with_lock do
    i = find_node_index node
    output = self[i].output.new
    raise Oxidized::NotSupported unless output.respond_to? :fetch
    output.get_diff node, group, oid1, oid2
  end
end

#get_version(node, group, oid) ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 163

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

#list ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 45

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 = []
    @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
      next unless node_want? node_want, node
      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)
	Log.info "Loaded #{size} nodes"
  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 68

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

#node_want?(node_want, node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/oxidized/nodes.rb', line 31

def node_want? node_want, node
  return true unless node_want
  node_want_ip = (IPAddr.new(node_want) rescue false)
  name_is_ip   = (IPAddr.new(node[:name]) rescue false)
  if name_is_ip and node_want_ip == node[:name]
    true
  elsif node[:ip] and node_want_ip == node[:ip]
    true
  elsif node_want.match node[:name]
    true unless name_is_ip
  end
end

#show(node) ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 51

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

#version(node, group) ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 154

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