Class: Awstool::Instance

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

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Instance

Returns a new instance of Instance.



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# File 'lib/awstool/instance.rb', line 5

def initialize(options)
  @options = options
  @compute = Fog::Compute.new(
    provider: 'AWS',
    region: @options['region'],
    aws_access_key_id: @options['access_key_id'],
    aws_secret_access_key: @options['access_key']
  )
  @dns = Fog::DNS.new(
    provider: 'AWS',
    aws_access_key_id: @options['access_key_id'],
    aws_secret_access_key: @options['access_key']
  )
end

Instance Method Details

#launch ⇒ Object 



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# File 'lib/awstool/instance.rb', line 20

def launch
  b = binding
  userdata = ERB.new(File.read(@options['userdata']), nil, '<>').result(b)
  @instance = @compute.servers.create(
    image_id:  @options['image-id'],
    flavor_id: @options['instance-type'],
    security_group_ids: @options['security-group-ids'],
    subnet_id: @options['subnet-ids'][@options['subnet-id-index']],
    key_name: @options['key-name'],
    tags: @options['tags'],
    user_data: userdata,
    block_device_mapping: map_block_devices
  )
  @instance.wait_for { ready? }
  pp @instance.reload
end

#set_dns ⇒ Object 



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# File 'lib/awstool/instance.rb', line 37

def set_dns
  zone = @dns.zones.get(@options['dns-zone-id'])
  if @options['purge_dns']
    record = zone.records.find { |r| r.name == "#{@options['hostname']}." }
    if record
      record.destroy
    end
  end
  record = zone.records.create(
    value: @instance.private_ip_address,
    name: @options['hostname'],
    type: 'A',
    ttl: '300'
  )
end