Class: Elasticsnap::SecurityGroup

Inherits:
Object
  • Object
show all
Defined in:
lib/elasticsnap/security_group.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name: nil) ⇒ SecurityGroup

Returns a new instance of SecurityGroup.

Raises:

  • (ArgumentError) 


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# File 'lib/elasticsnap/security_group.rb', line 7

def initialize(name: nil)
  raise ArgumentError, 'name required' if name.nil?

  @name = name
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/elasticsnap/security_group.rb', line 5

def name
  @name
end

Instance Method Details

#fog_group ⇒ Object 



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# File 'lib/elasticsnap/security_group.rb', line 33

def fog_group
  @fog_group ||= connection.security_groups.all('group-name' => name).first
end

#hosts ⇒ Object 



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# File 'lib/elasticsnap/security_group.rb', line 13

def hosts
  @hosts ||= connection.servers.all('group-id' => id)
end

#id ⇒ Object 



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# File 'lib/elasticsnap/security_group.rb', line 37

def id
  @id ||= fog_group.group_id
end

#reload ⇒ Object 



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# File 'lib/elasticsnap/security_group.rb', line 41

def reload
  @hosts = @id = nil
end

#ssh_hosts(ssh_user: nil) ⇒ Object 



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# File 'lib/elasticsnap/security_group.rb', line 17

def ssh_hosts(ssh_user: nil)
  hosts.map do |host|
    if ssh_user
      "#{ssh_user}@#{host.dns_name}"
    else
      host.dns_name
    end
  end
end

#volumes(cluster_name: nil) ⇒ Object 



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# File 'lib/elasticsnap/security_group.rb', line 27

def volumes(cluster_name: nil)
  filters = { 'attachment.instance-id' => hosts.map(&:id) }
  filters.merge!('tag:ClusterName' => cluster_name) if cluster_name
  connection.volumes.all(filters)
end