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

#jobs ⇒ Object

Returns the value of attribute jobs.



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# File 'lib/oxidized/nodes.rb', line 8

def jobs
  @jobs
end

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/oxidized/nodes.rb', line 8

def source
  @source
end

Instance Method Details

#fetch(node_name, group) ⇒ Object

Returns the configuration of group/node_name

#fetch is called by oxidzed-web



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# File 'lib/oxidized/nodes.rb', line 67

def fetch(node_name, group)
  yield_node_output(node_name) do |node, output|
    output.fetch node, group
  end
end

#find_index(node) ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 125

def find_index(node)
  index { |e| [e.name, e.ip].include? node }
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 100

def find_node_index(node)
  find_index(node) || raise(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 92

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

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



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# File 'lib/oxidized/nodes.rb', line 119

def get_diff(node_name, group, oid1, oid2)
  yield_node_output(node_name) do |node, output|
    output.get_diff node, group, oid1, oid2
  end
end

#get_version(node_name, group, oid) ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 113

def get_version(node_name, group, oid)
  yield_node_output(node_name) do |node, output|
    output.get_version node, group, oid
  end
end

#list ⇒ Object 



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

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 10

def load(node_want = nil)
  with_lock do
    new = []
    @source = Oxidized.config.source.default
    Oxidized.mgr.add_source(@source) || raise(MethodNotFound, "cannot load node source '#{@source}', not found")
    Oxidized.logger.info "lib/oxidized/nodes.rb: Loading nodes"
    nodes = Oxidized.mgr.source[@source].new.load node_want
    nodes.each do |node|
      # we want to load specific node(s), not all of them
      next unless node_want? node_want, node

      begin
        node_obj = Node.new node
        new.push node_obj
      rescue ModelNotFound => e
        Oxidized.logger.error "node %s raised %s with message '%s'" % [node, e.class, e.message]
      rescue Resolv::ResolvError => e
        Oxidized.logger.error "node %s is not resolvable, raised %s with message '%s'" % [node, e.class, e.message]
      end
    end
    size.zero? ? replace(new) : update_nodes(new)
    Oxidized.logger.info "lib/oxidized/nodes.rb: 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 74

def next(node, opt = {})
  return if running.find_index(node)

  with_lock do
    n = del node
    n.user = opt['user']
    n.email = opt['email']
    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
    jobs.increment if Oxidized.config.next_adds_job?
  end
end

#node_want?(node_want, node) ⇒ Boolean

Returns:

  • (Boolean) 


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

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)
  # rubocop:todo Lint/DuplicateBranch
  if name_is_ip && (node_want_ip == node[:name])
    true
  elsif node[:ip] && (node_want_ip == node[:ip])
    true
  elsif node_want.match node[:name]
    true unless name_is_ip
  end
  # rubocop:enable Lint/DuplicateBranch
end

#show(node) ⇒ Object 



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# File 'lib/oxidized/nodes.rb', line 57

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

#version(node_name, group) ⇒ Object

Returns all stored versions of group/node_name

Called by oxidized-web



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# File 'lib/oxidized/nodes.rb', line 107

def version(node_name, group)
  yield_node_output(node_name) do |node, output|
    output.version node, group
  end
end