Class: Elasticsnap::VerifyEsClusterStatus

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

Defined Under Namespace

Classes: Error, NoQuorum, StatusRed

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url: nil, quorum_nodes: nil, wait_timeout: 30) ⇒ VerifyEsClusterStatus

Returns a new instance of VerifyEsClusterStatus.

Raises:

  • (ArgumentError) 


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

def initialize(url: nil, quorum_nodes: nil, wait_timeout: 30)
  raise ArgumentError, 'url required' if url.nil?
  raise ArgumentError, 'quorum_nodes required' if quorum_nodes.nil?

  @url = url
  @quorum_nodes = quorum_nodes
  @wait_timeout = wait_timeout
end

Instance Attribute Details

#quorum_nodes ⇒ Object

Returns the value of attribute quorum_nodes.



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# File 'lib/elasticsnap/verify_es_cluster_status.rb', line 10

def quorum_nodes
  @quorum_nodes
end

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/elasticsnap/verify_es_cluster_status.rb', line 9

def url
  @url
end

#wait_timeout ⇒ Object

Returns the value of attribute wait_timeout.



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# File 'lib/elasticsnap/verify_es_cluster_status.rb', line 11

def wait_timeout
  @wait_timeout
end

Instance Method Details

#verify! ⇒ Object 



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# File 'lib/elasticsnap/verify_es_cluster_status.rb', line 22

def verify!
  wait_for_green_quorum!
end

#wait_for_green_quorum! ⇒ Object

Raises:



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# File 'lib/elasticsnap/verify_es_cluster_status.rb', line 26

def wait_for_green_quorum!
  Flex::Configuration.http_client.base_uri = url
  health = Flex.cluster_health(
    params: {
      wait_for_status: 'yellow',
      wait_for_nodes: "gt(#{quorum_nodes})",
      timeout: "#{wait_timeout}s"
    }
  )

  raise StatusRed if health['status'] == 'red'
  raise NoQuorum if health['number_of_nodes'] < quorum_nodes

  health
end