Class: NCC::Instance

Inherits:
Object
  • Object
show all
Defined in:
lib/ncc/instance.rb

Constant Summary collapse

@@valid_statuses = 
%w(active build terminated error hard-reboot
reboot provider-operation shutting-down
suspending suspend unknown needs-verify)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cfg, opt = {}) ⇒ Instance

Returns a new instance of Instance.



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# File 'lib/ncc/instance.rb', line 73

def initialize(cfg, opt={})
    @cfg = cfg
    @logger = opt[:logger] if opt.has_key? :logger
    self.id = opt['id']
    self.name = opt['name']
    self.size = opt['size']
    self.image = opt['image']
    self.environment = opt['environment']
    self.role = opt['role']
    self.host = opt['host']
    self.ip_address = opt['ip_address']
    self.console_log = opt['console_log']
    self.extra = opt['extra']
end

Instance Attribute Details

#console_log ⇒ Object

Returns the value of attribute console_log.



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# File 'lib/ncc/instance.rb', line 54

def console_log
  @console_log
end

#environment ⇒ Object

Returns the value of attribute environment.



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# File 'lib/ncc/instance.rb', line 54

def environment
  @environment
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/ncc/instance.rb', line 54

def host
  @host
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/ncc/instance.rb', line 54

def id
  @id
end

#image ⇒ Object

Returns the value of attribute image.



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# File 'lib/ncc/instance.rb', line 56

def image
  @image
end

#ip_address ⇒ Object

Returns the value of attribute ip_address.



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# File 'lib/ncc/instance.rb', line 54

def ip_address
  @ip_address
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/ncc/instance.rb', line 54

def name
  @name
end

#size ⇒ Object

Returns the value of attribute size.



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# File 'lib/ncc/instance.rb', line 56

def size
  @size
end

#status ⇒ Object

Returns the value of attribute status.



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# File 'lib/ncc/instance.rb', line 56

def status
  @status
end

Instance Method Details

#clear_extra ⇒ Object 



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# File 'lib/ncc/instance.rb', line 159

def clear_extra
    @extra = nil
end

#debug(msg = nil) ⇒ Object

Should be mixed in



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# File 'lib/ncc/instance.rb', line 59

def debug(msg=nil)
    msg ||= yield
    log 'debug', msg
end

#extra(param = nil) ⇒ Object 



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# File 'lib/ncc/instance.rb', line 163

def extra(param=nil)
    if param.nil?
        @extra
    else
        if !@extra.nil? and @extra.has_key? param
            @extra[param]
        else
            { }
        end
    end
end

#extra=(newextra) ⇒ Object 



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# File 'lib/ncc/instance.rb', line 175

def extra=(newextra)
    if !newextra.nil?
        raise NCC::Error, "Invalid extra parameter of type " +
            "#{newextra.class} (must be Hash)" unless
            newextra.respond_to? :to_hash
        if @extra.nil?
            @extra = newextra.to_hash
        else
            @extra = @extra.deep_soft_merge(newextra.to_hash)
        end
    end
end

#log(level, msg) ⇒ Object 



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# File 'lib/ncc/instance.rb', line 68

def log(level, msg)
    @logger.send(level.intern, "#<#{me}>: #{msg}") if
        @logger.respond_to? level.intern
end

#role ⇒ Object 



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# File 'lib/ncc/instance.rb', line 102

def role
    @role
end

#role=(value) ⇒ Object 



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# File 'lib/ncc/instance.rb', line 106

def role=(value)
    if value.nil?
        @role = []
    elsif value.respond_to? :join
        @role = value
    else
        @role = value.split(/, */)
    end
end

#set_without_validation(fields) ⇒ Object 



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# File 'lib/ncc/instance.rb', line 116

def set_without_validation(fields)
    fields.each_pair do |field, value|
        case field
        when :id
            @id = value
        when :name
            @name = value
        when :size
            @size = value
        when :image
            @image = value
        when :environment
            @environment = value
        when :role
            self.role = value
        when :extra
            @extra = value
        when :status
            self.status = value
        when :ip_address
            @ip_address = value
        when :host
            @host = value
        when :console_log
            @console_log = value
        else
            raise NCC::Error, "Invalid field #{field.inspect}"
        end
    end
end

#to_hash ⇒ Object 



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# File 'lib/ncc/instance.rb', line 194

def to_hash
    {
        'name' => name,
        'id' => id,
        'extra' => extra,
        'environment' => environment,
        'role' => role,
        'size' => size,
        'image' => image,
        'ip_address' => ip_address,
        'host' => host,
        'status' => status
    }.delete_nil_values
end

#to_json ⇒ Object 



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# File 'lib/ncc/instance.rb', line 209

def to_json
    to_hash.to_json
end

#warn(msg) ⇒ Object 



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# File 'lib/ncc/instance.rb', line 64

def warn(msg)
    log 'warn', msg
end

#with_defaults(*defaults) ⇒ Object 



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# File 'lib/ncc/instance.rb', line 88

def with_defaults(*defaults)
    obj = self.dup
    defaults.each do |d|
        next if d.nil?
        obj.name ||= d['name']
        obj.size ||= d['size']
        obj.image ||= d['image']
        obj.environment ||= d['environment']
        obj.role ||= d['role']
        obj.extra = d['extra']
    end
    obj
end