Class: LinodeCluster::Cluster

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

Overview

Cluster class

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(api_key, app_name, stage, options) ⇒ Cluster

Returns a new instance of Cluster.



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# File 'lib/linode_cluster/cluster.rb', line 11

def initialize(api_key, app_name, stage, options)
  @node_groups = {}
  @app_name = app_name || ''
  @stage = stage || ''
  @client = ClientWrapper.new(Linode.new(api_key: api_key))
  @ansible_ssh_user = options[:ansible_ssh_user] || 'root'

  raise 'app name cannot be blank' if app_name.empty?
  raise 'stage cannot be blank' if stage.empty?
end

Instance Attribute Details

#ansible_ssh_user ⇒ Object

Returns the value of attribute ansible_ssh_user.



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# File 'lib/linode_cluster/cluster.rb', line 9

def ansible_ssh_user
  @ansible_ssh_user
end

#app_name ⇒ Object

Returns the value of attribute app_name.



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# File 'lib/linode_cluster/cluster.rb', line 9

def app_name
  @app_name
end

#client ⇒ Object

Returns the value of attribute client.



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# File 'lib/linode_cluster/cluster.rb', line 9

def client
  @client
end

#stage ⇒ Object

Returns the value of attribute stage.



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# File 'lib/linode_cluster/cluster.rb', line 9

def stage
  @stage
end

Instance Method Details

#add_node_group(name, region, size, count, options = {}) ⇒ Object 



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# File 'lib/linode_cluster/cluster.rb', line 22

def add_node_group(name, region, size, count, options = {})
  raise "Group with name '#{name}' already exists" if @node_groups[name]
  @node_groups[name] = NodeGroup.new(name, name_prefix, region, size, count, self, default_options(options))
end

#as_ansible_inventory ⇒ Object 



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# File 'lib/linode_cluster/cluster.rb', line 35

def as_ansible_inventory
  @node_groups.map { |_, group| group.as_ansible_inventory }.join
end

#cost_per_month ⇒ Object 



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# File 'lib/linode_cluster/cluster.rb', line 43

def cost_per_month
  nodes.map(&:cost_per_month).sum
end

#create! ⇒ Object 



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# File 'lib/linode_cluster/cluster.rb', line 27

def create!
  @node_groups.each_value(&:create!)
end

#create_node(attributes) ⇒ Object 



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# File 'lib/linode_cluster/cluster.rb', line 47

def create_node(attributes)
  result = node_factory.create(attributes)
  @nodes = nil
  result
end

#name_prefix ⇒ Object 



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# File 'lib/linode_cluster/cluster.rb', line 31

def name_prefix
  "#{app_name}-#{stage}-"
end

#nodes ⇒ Object 



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# File 'lib/linode_cluster/cluster.rb', line 39

def nodes
  @node_groups.values.flat_map(&:nodes)
end