Class: ManageIQ::PostgresHaAdmin::ServerStore

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/manageiq/postgres_ha_admin/server_store.rb

Constant Summary collapse

TABLE_NAME = 
"repmgr.nodes".freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

#logger

Constructor Details

#initialize ⇒ ServerStore

Returns a new instance of ServerStore.



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# File 'lib/manageiq/postgres_ha_admin/server_store.rb', line 14

def initialize
  @servers = []
end

Instance Attribute Details

#servers ⇒ Object (readonly)

Returns the value of attribute servers.



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# File 'lib/manageiq/postgres_ha_admin/server_store.rb', line 12

def servers
  @servers
end

Instance Method Details

#connection_info_list ⇒ Object 



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# File 'lib/manageiq/postgres_ha_admin/server_store.rb', line 18

def connection_info_list
  valid_keys = PG::Connection.conndefaults_hash.keys + [:requiressl]
  servers.map! do |db_info|
    db_info.keep_if { |k, _v| valid_keys.include?(k) }
  end
end

#host_is_primary?(host, connection) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/manageiq/postgres_ha_admin/server_store.rb', line 36

def host_is_primary?(host, connection)
  query_repmgr(connection).each do |record|
    if record[:host] == host && record[:type] == 'primary'
      return true
    end
  end
  false
end

#update_servers(connection) ⇒ Object 



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# File 'lib/manageiq/postgres_ha_admin/server_store.rb', line 25

def update_servers(connection)
  new_servers = query_repmgr(connection)
  if servers_changed?(new_servers)
    logger.info("Updating servers cache to #{new_servers}")
    @servers = new_servers
  end
rescue IOError => err
  logger.error("#{err.class}: #{err}")
  logger.error(err.backtrace.join("\n"))
end