Class: Kumonos::Clusters::Cluster

Inherits:
Struct
  • Object
show all
Defined in:
lib/kumonos/clusters.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#circuit_breaker ⇒ Object

Returns the value of attribute circuit_breaker

Returns:

  • (Object) —

    the current value of circuit_breaker



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# File 'lib/kumonos/clusters.rb', line 14

def circuit_breaker
  @circuit_breaker
end

#connect_timeout_ms ⇒ Object

Returns the value of attribute connect_timeout_ms

Returns:

  • (Object) —

    the current value of connect_timeout_ms



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# File 'lib/kumonos/clusters.rb', line 14

def connect_timeout_ms
  @connect_timeout_ms
end

#lb ⇒ Object

Returns the value of attribute lb

Returns:

  • (Object) —

    the current value of lb



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# File 'lib/kumonos/clusters.rb', line 14

def lb
  @lb
end

#name ⇒ Object

Returns the value of attribute name

Returns:

  • (Object) —

    the current value of name



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# File 'lib/kumonos/clusters.rb', line 14

def name
  @name
end

#outlier_detection ⇒ Object

Returns the value of attribute outlier_detection

Returns:

  • (Object) —

    the current value of outlier_detection



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# File 'lib/kumonos/clusters.rb', line 14

def outlier_detection
  @outlier_detection
end

#tls ⇒ Object

Returns the value of attribute tls

Returns:

  • (Object) —

    the current value of tls



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# File 'lib/kumonos/clusters.rb', line 14

def tls
  @tls
end

#use_sds ⇒ Object

Returns the value of attribute use_sds

Returns:

  • (Object) —

    the current value of use_sds



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# File 'lib/kumonos/clusters.rb', line 14

def use_sds
  @use_sds
end

Class Method Details

.build(h) ⇒ Object 



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# File 'lib/kumonos/clusters.rb', line 16

def build(h)
  use_sds = h.fetch('sds', false)
  lb = use_sds ? nil : h.fetch('lb')
  raise "Invalid format in `lb` value. Must be \"${host}:${port}\" format: #{lb}" if lb && lb.split(':').size != 2

  circuit_breaker =
    if h.key?('circuit_breaker')
      CircuitBreaker.build(h.fetch('circuit_breaker'))
    else
      nil
    end

  new(
    h.fetch('cluster_name'),
    h.fetch('connect_timeout_ms'),
    lb,
    h.fetch('tls'),
    circuit_breaker,
    OutlierDetection.build(h['outlier_detection']), # optional
    use_sds
  )
end

Instance Method Details

#to_h ⇒ Object 



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# File 'lib/kumonos/clusters.rb', line 40

def to_h
  h = super

  h.delete(:lb)
  h.delete(:use_sds)
  if use_sds
    h[:type] = 'sds'
    h[:service_name] = name
    h[:features] = 'http2'
  else
    h[:type] = 'strict_dns'
    h[:hosts] = [{ url: "tcp://#{lb}" }]
  end

  h[:lb_type] = 'round_robin'
  h.delete(:tls)
  if tls
    h[:ssl_context] = {}
    h[:ssl_context][:sni] = lb.split(':', 2)[0] unless use_sds
  end

  h.delete(:circuit_breaker)
  h[:circuit_breakers] = { default: circuit_breaker.to_h } if circuit_breaker

  if outlier_detection
    h[:outlier_detection] = outlier_detection.to_h
  else
    h.delete(:outlier_detection)
  end

  h
end