Class: Nucleon::Plugin::Network

Inherits:
Object
  • Object
show all
Defined in:
lib/core/plugin/network.rb

Instance Method Summary collapse

Instance Method Details

#add_node(provider, name, options = {}) {|:preprocess, hook_config| ... } ⇒ Object

Yields:

  • (:preprocess, hook_config) 


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# File 'lib/core/plugin/network.rb', line 218

def add_node(provider, name, options = {})
  config = Config.ensure(options)
  
  keypair = config.delete(:keypair, nil)
  return false unless keypair && keypair.is_a?(Util::SSH::Keypair)
      
  remote_name = config.delete(:remote, :edit)
  
  # Set node data
  node = set_node(provider, name, { 
    :settings     => array(config.delete(:groups, [])), 
    :region       => config.delete(:region, nil),
    :machine_type => config.delete(:machine_type, nil),
    :image        => config.delete(:image, nil),
    :user         => config.delete(:user, :root),
    :hostname     => name
  })
  hook_config = { :node => node, :remote => remote_name, :config => config }
  success     = true
  
  yield(:preprocess, hook_config) if block_given?
  
  if ! node.local? && node.attach_keys(keypair) && extension_check(:add_node, hook_config)
    # Create new node / machine
    success = node.create do |op, data|
      block_given? ? yield("create_#{op}".to_sym, data) : data
    end
    
    if success && node.save({ :remote => remote_name, :message => "Created machine #{name} on #{provider}" })
      # Bootstrap new machine
      success = node.bootstrap(home, extended_config(:bootstrap, config)) do |op, data|
        block_given? ? yield("bootstrap_#{op}".to_sym, data) : data
      end  
      
      if success
        seed_project = config.get(:project_reference, nil)
        save_config  = { :commit => true, :remote => remote_name, :push => true }
             
        if seed_project && remote_name
          # Reset project remote
          seed_info = Plugin::Project.translate_reference(seed_project)
        
          if seed_info
            seed_url    = seed_info[:url]
            seed_branch = seed_info[:revision] if seed_info[:revision]
          else
            seed_url = seed_project                
          end
          set_remote(:origin, seed_url) if remote_name.to_sym == :edit
          set_remote(remote_name, seed_url)
          save_config[:pull] = false
        end
        
        # Save network changes (preliminary)
        success = node.save(extended_config(:node_save, save_config))
      
        if success && seed_project
          # Seed machine with remote project reference
          result = node.seed({
            :project_reference => seed_project,
            :project_branch    => seed_branch
          }) do |op, data|
            yield("seed_#{op}".to_sym, data)
          end
          success = result.status == code.success
        end
      
        # Update local network project
        success = load({ :remote => remote_name, :pull => true }) if success
      end
    end
  end    
  success 
end

#attach_data(type, name, data, options = {}) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 198

def attach_data(type, name, data, options = {})
  attach_config = Config.ensure(options).import({ :type => :source })
  attached_data = nil    
  
  if data.is_a?(String)
    attached_data = config.attach(type, name, data, attach_config)
  end  
  attached_data
end

#attach_files(type, name, files, options = {}) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 182

def attach_files(type, name, files, options = {})
  attach_config  = Config.ensure(options).import({ :type => :file })
  included_files = []    
  files          = [ files ] unless files.is_a?(Array)
  
  files.each do |file|
    if file
      attached_file = config.attach(type, name, file, attach_config)
      included_files << attached_file unless attached_file.nil?
    end  
  end    
  included_files
end

#batch(node_references, default_provider = nil, parallel = true, &code) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 310

def batch(node_references, default_provider = nil, parallel = true, &code)
  success = true
  
  if has_nodes? && ! node_references.empty?
    # Execute action on selected nodes      
    nodes = nodes_by_reference(node_references, default_provider)
    
    if parallel
      values = []
      nodes.each do |node|
        values << Celluloid::Future.new(node, &code)
      end
      values  = values.map { |future| future.value }
      success = false if values.include?(false)
    else
      nodes.each do |node|
        proc_success = code.call(node)
        if proc_success == false
          success = false
          break
        end
      end  
    end
  end
  success
end

#build_directory ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 46

def build_directory
  File.join(directory, 'build')
end

#delete_attachments(ids, options = {}) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 210

def delete_attachments(ids, options = {})
  config.delete_attachments(ids, options)    
end

#directory ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 40

def directory
  config.directory
end

#each_node_config(provider = nil) ⇒ Object

Utilities



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# File 'lib/core/plugin/network.rb', line 296

def each_node_config(provider = nil)
  node_config.export.each do |node_provider, nodes|
    if provider.nil? || provider == node_provider
      nodes.each do |name, info|
        yield(node_provider, name, info)
      end
    end
  end
end

#has_nodes?(provider = nil) ⇒ Boolean

Checks

Returns:

  • (Boolean) 


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# File 'lib/core/plugin/network.rb', line 22

def has_nodes?(provider = nil)   
  node_config(provider).export.empty? ? false : true
end

#home ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 34

def home
  extension_set(:home, ( ENV['USER'] == 'root' ? '/root' : ENV['HOME'] )) 
end

#load(options = {}) ⇒ Object

Operations



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# File 'lib/core/plugin/network.rb', line 170

def load(options = {})
  config.load(options)
end

#local_node(require_new = false) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 132

def local_node(require_new = false)
  ip_address = CORL.ip_address
  local_node = node_by_ip(ip_address, require_new)
      
  if local_node.nil?
    name       = Util::Data.ensure_value(lookup(:fqdn), ip_address)    
    local_node = CORL.node(name, extended_config(:local_node).import({ :meta => { :parent => myself }}), :local) 
  else
    local_node.network = myself
    local_node.normalize(true)
    local_node.localize               
  end    
  local_node
end

#node_by_ip(public_ip, require_new = false) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 123

def node_by_ip(public_ip, require_new = false)
  each_node_config do |provider, name, info|
    return node(provider, name, require_new) if info[:public_ip] == public_ip  
  end
  nil
end

#node_groups ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 62

def node_groups
  groups = {}
  
  each_node_config do |provider, name, info|
    search_node(provider, name, :settings, [], :array).each do |group|
      group = group.to_sym
      groups[group] = [] unless groups.has_key?(group)
      groups[group] << { :provider => provider, :name => name }
    end
  end
  groups
end

#node_info(references, default_provider = nil) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 77

def node_info(references, default_provider = nil)
  groups    = node_groups
  node_info = {}
  
  default_provider = Manager.connection.type_default(:node) if default_provider.nil?
      
  references.each do |reference|
    info = Plugin::Node.translate_reference(reference)
    info = { :provider => default_provider, :name => reference } unless info
    name = info[:name].to_sym     
    
    # Check for group membership
    if groups.has_key?(name)
      groups[name].each do |member_info|
        provider = member_info[:provider].to_sym
        
        node_info[provider] = [] unless node_info.has_key?(provider)        
        node_info[provider] << member_info[:name]
      end
    else
      # Not a group
      provider = info[:provider].to_sym
      
      if node_config.export.has_key?(provider)
        node_found = false
        
        each_node_config(provider) do |node_provider, node_name, node|
          if node_name == name
            node_info[node_provider] = [] unless node_info.has_key?(node_provider)        
            node_info[node_provider] << node_name
            node_found = true
            break
          end
        end
        
        unless node_found
          # TODO:  Error or something?
        end
      end 
    end     
  end    
  node_info  
end

#nodes_by_reference(references, default_provider = nil, require_new = false) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 149

def nodes_by_reference(references, default_provider = nil, require_new = false)
  nodes = []
  
  node_info(references, default_provider).each do |provider, names|
    names.each do |name|
      nodes << node(provider, name, require_new)
    end
  end
  nodes  
end

#normalize(reload) ⇒ Object

Cloud plugin interface



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# File 'lib/core/plugin/network.rb', line 12

def normalize(reload)
  super
  
  logger.info("Initializing sub configuration from source with: #{myself._export.inspect}")
  myself.config = CORL.configuration(Config.new(myself._export).import({ :autosave => false, :create => false })) unless reload
end

#remote(name) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 52

def remote(name)
  config.remote(name)
end

#save(options = {}) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 176

def save(options = {})
  config.save(options)
end

#set_remote(name, location) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 56

def set_remote(name, location)
  config.set_remote(name, location)
end

#test_node(provider, options = {}) ⇒ Object 



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# File 'lib/core/plugin/network.rb', line 162

def test_node(provider, options = {})
  config = Config.ensure(options).import({ :meta => { :parent => myself } })
  CORL.node(:test, config.export, provider)
end