Module: Elasticsearch::Model::Extensions::IndexOperations::ClassMethods

Defined in:
lib/elasticsearch/model/extensions/index_operations.rb

Instance Method Summary collapse

Instance Method Details

#create_index(name:, force: true) ⇒ Object 



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# File 'lib/elasticsearch/model/extensions/index_operations.rb', line 10

def create_index(name:, force:true)
  klass = self

  client = __elasticsearch__.client

  indices = client.indices

  if indices.exists(index: name) && force
    indices.delete index: name
  end

  indices.create index: name, body: { settings: klass.settings.to_hash, mappings: klass.mappings.to_hash }
end

#delete_alias(name: nil) ⇒ Object 



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# File 'lib/elasticsearch/model/extensions/index_operations.rb', line 32

def delete_alias(name: nil)
  name ||= index_name

  client = __elasticsearch__.client

  indices = client.indices

  indices_aliased = indices.get_alias(name: name).keys

  indices_aliased.each do |index|
    indices.delete name: name, index: index
  end
end

#delete_index(name:) ⇒ Object 



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# File 'lib/elasticsearch/model/extensions/index_operations.rb', line 24

def delete_index(name:)
  client = __elasticsearch__.client

  indices = client.indices

  indices.delete index: name
end

#prepare_alias(name:, force: true) ⇒ Object 



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# File 'lib/elasticsearch/model/extensions/index_operations.rb', line 46

def prepare_alias(name:, force: true)
  client = __elasticsearch__.client

  indices = client.indices

  if indices.exists(index: name) && force
    indices.delete index: name
  end

  unless indices.exists_alias(name: name)
    aliased_index_name = "#{index_name}_#{Time.now.to_i}"

    create_index(name: aliased_index_name, force: force)

    indices.put_alias index: aliased_index_name, name: name
  end
end

#replace_index_for_alias(name:, to:) ⇒ Object 



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# File 'lib/elasticsearch/model/extensions/index_operations.rb', line 64

def replace_index_for_alias(name:, to:)
  client = __elasticsearch__.client

  indices = client.indices

  if indices.exists_alias name: name
    old_index_name = indices.get_alias(name: name).keys.first

    indices.update_aliases body: {
      actions: [
        { remove: { index: old_index_name, alias: name } },
        { add: { index: to, alias: name } }
      ]
    }
  else
    indices.put_alias index: to, name: name
  end
end