Class: Clusterfuck::Cluster

Inherits:
Object
  • Object
show all
Defined in:
lib/clusterfuck/cluster.rb

Direct Known Subclasses

BGPCluster

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Cluster

Returns a new instance of Cluster.



5
6
7
8
 
# File 'lib/clusterfuck/cluster.rb', line 5

def initialize(name)
  @name = name
  @graph = {}
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



3
4
5
 
# File 'lib/clusterfuck/cluster.rb', line 3

def name
  @name
end

#network ⇒ Object (readonly)

Returns the value of attribute network.



3
4
5
 
# File 'lib/clusterfuck/cluster.rb', line 3

def network
  @network
end

Class Method Details

.[](name) ⇒ Object 



15
16
17
 
# File 'lib/clusterfuck/cluster.rb', line 15

def self.[](name)
  @@clusters[name]
end

.all ⇒ Object 



19
20
21
 
# File 'lib/clusterfuck/cluster.rb', line 19

def self.all
  @@clusters.values
end

.create(name) ⇒ Object 



10
11
12
13
 
# File 'lib/clusterfuck/cluster.rb', line 10

def self.create(name)
  @@clusters ||= {}
  @@clusters[name] = self.new(name)
end

Instance Method Details

#connect(*nodes, subnet: SubnetFactory.next_subnet) ⇒ Object 



32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/clusterfuck/cluster.rb', line 32

def connect(*nodes, subnet: SubnetFactory.next_subnet)
  # Create a complete graph (a graph where all nodes are connected to each
  # other) between all the nodes, because that's what a subnet is.
  nodes.permutation(2).each do |(a, b)|
    @graph[a] ||= []
    @graph[a] << b
  end

  nodes.each do |node|
    node.ips << subnet.next_ip
    node.cluster = self
  end

  subnet.last_ip
end

#find_by_name(name) ⇒ Object Also known as: [] 



23
24
25
 
# File 'lib/clusterfuck/cluster.rb', line 23

def find_by_name(name)
  nodes.find { |node| node.name == name }
end

#ip_in_same_subnet(a, b) ⇒ Object Also known as: neighbor? 



48
49
50
51
52
53
54
 
# File 'lib/clusterfuck/cluster.rb', line 48

def ip_in_same_subnet(a, b)
  a.ips.find { |a_ip|
    b.ips.find { |b_ip|
      a_ip.include?(b_ip)
    }
  }
end

#nodes ⇒ Object 



28
29
30
 
# File 'lib/clusterfuck/cluster.rb', line 28

def nodes
  @graph.keys
end