Class: Roadworker::HealthCheck

Inherits:
Object
  • Object
show all
Defined in:
lib/roadworker/route53-health-check.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(route53) ⇒ HealthCheck

of class method



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# File 'lib/roadworker/route53-health-check.rb', line 75

def initialize(route53)
  @route53 = route53
end

Class Method Details

.config_to_hash(config) ⇒ Object 



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# File 'lib/roadworker/route53-health-check.rb', line 16

def config_to_hash(config)
  ipaddr = config[:ip_address]
  port   = config[:port]
  type   = config[:type].downcase
  path   = config[:resource_path]
  fqdn   = config[:fully_qualified_domain_name]
  fqdn   = fqdn.downcase if fqdn
  search_string     = config[:search_string]
  request_interval  = config[:request_interval]
  failure_threshold = config[:failure_threshold]

  ulr = nil

  if ipaddr
    url = "#{type}://#{ipaddr}:#{port}"
  else
    url = "#{type}://#{fqdn}:#{port}"
    fqdn = nil
  end

  url << path if path && path != '/'

  {
    :url               => url,
    :host              => fqdn,
    :search_string     => search_string,
    :request_interval  => request_interval,
    :failure_threshold => failure_threshold,
  }
end

.gc(route53, options = {}) ⇒ Object 



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# File 'lib/roadworker/route53-health-check.rb', line 12

def gc(route53, options = {})
  self.new(route53).gc(options)
end

.health_checks(route53, options = {}) ⇒ Object 



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# File 'lib/roadworker/route53-health-check.rb', line 8

def health_checks(route53, options = {})
  self.new(route53).health_checks(options)
end

.parse_url(url) ⇒ Object 



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# File 'lib/roadworker/route53-health-check.rb', line 47

def parse_url(url)
  url = URI.parse(url)
  path = url.path

  if path.nil? or path.empty? or path == '/'
    path = nil
  end

  config = {}

  {
    :port          => url.port,
    :type          => url.scheme.upcase,
    :resource_path => path,
  }.each {|key, value|
    config[key] = value if value
  }

  if url.host =~ /\A\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\Z/
    config[:ip_address] = url.host
  else
    config[:fully_qualified_domain_name] = url.host
  end

  return config
end

Instance Method Details

#gc(options = {}) ⇒ Object 



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# File 'lib/roadworker/route53-health-check.rb', line 121

def gc(options = {})
  AWS.memoize {
    check_list = health_checks
    return if check_list.empty?

    if (logger = options[:logger])
      logger.info('Clean HealthChecks (pass `--no-health-check-gc` if you do not want to clean)')
    end

    @route53.hosted_zones.each do |zone|
      zone.rrsets.each do |record|
        check_list.delete(record.health_check_id)
      end
    end

    check_list.each do |health_check_id, config|
      @route53.client.delete_health_check(:health_check_id  => health_check_id)
    end
  }
end

#health_checks(options = {}) ⇒ Object 



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# File 'lib/roadworker/route53-health-check.rb', line 79

def health_checks(options = {})
  check_list = {}

  is_truncated = true
  next_marker = nil

  while is_truncated
    opts = next_marker ? {:marker => next_marker} : {}
    response = @route53.client.list_health_checks(opts)

    response[:health_checks].each do |check|
      check_list[check[:id]] = check[:health_check_config]
    end

    is_truncated = response[:is_truncated]
    next_marker = response[:next_marker]
  end

  if options[:extended]
    check_list.instance_variable_set(:@route53, @route53)

    def check_list.find_or_create(attrs)
      health_check_id, config = self.find {|hcid, elems| elems == attrs }

      unless health_check_id
        response = @route53.client.create_health_check({
          :caller_reference    => UUID.new.generate,
          :health_check_config => attrs,
        })

        health_check_id = response[:health_check][:id]
        config = response[:health_check][:health_check_config]
        self[health_check_id] = config
      end

      return health_check_id
    end
  end

  return check_list
end