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(Breaking Change) Hybrid cluster #21

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83 changes: 37 additions & 46 deletions aurora-postgres.cfndsl.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -220,55 +220,46 @@
maint_window = external_parameters.fetch(:maint_window, nil) # key kept for backwards compatibility
writer_maintenance_window = external_parameters.fetch(:writer_maintenance_window, maint_window)

if engine_mode == 'serverless'
RDS_DBInstance(:ServerlessDBInstance) {
Engine 'aurora-postgresql'
DBInstanceClass 'db.serverless'
DBClusterIdentifier Ref(:DBCluster)
}
Condition("CreateReaderRecord", FnAnd([FnEquals(Ref("EnableReader"), 'true'), Condition('CreateHostRecord')]))
Condition("EnableReader", FnEquals(Ref("EnableReader"), 'true'))

else
Condition("CreateReaderRecord", FnAnd([FnEquals(Ref("EnableReader"), 'true'), Condition('CreateHostRecord')]))
Condition("EnableReader", FnEquals(Ref("EnableReader"), 'true'))

RDS_DBInstance(:DBClusterInstanceWriter) {
DBSubnetGroupName Ref(:DBClusterSubnetGroup)
DBParameterGroupName Ref(:DBInstanceParameterGroup)
DBClusterIdentifier Ref(:DBCluster)
Engine 'aurora-postgresql'
EngineVersion engine_version unless engine_version.nil?
AutoMinorVersionUpgrade minor_upgrade unless minor_upgrade.nil?
PreferredMaintenanceWindow writer_maintenance_window unless writer_maintenance_window.nil?
PubliclyAccessible 'false'
DBInstanceClass Ref(:WriterInstanceType)
Tags aurora_tags
}
RDS_DBInstance(:DBClusterInstanceWriter) {
DBSubnetGroupName Ref(:DBClusterSubnetGroup)
DBParameterGroupName Ref(:DBInstanceParameterGroup)
DBClusterIdentifier Ref(:DBCluster)
Engine 'aurora-postgresql'
EngineVersion engine_version unless engine_version.nil?
AutoMinorVersionUpgrade minor_upgrade unless minor_upgrade.nil?
PreferredMaintenanceWindow writer_maintenance_window unless writer_maintenance_window.nil?
PubliclyAccessible 'false'
DBInstanceClass Ref(:WriterInstanceType)
Tags aurora_tags
}

reader_maintenance_window = external_parameters.fetch(:reader_maintenance_window, nil)

RDS_DBInstance(:DBClusterInstanceReader) {
Condition(:EnableReader)
DBSubnetGroupName Ref(:DBClusterSubnetGroup)
DBParameterGroupName Ref(:DBInstanceParameterGroup)
DBClusterIdentifier Ref(:DBCluster)
Engine 'aurora-postgresql'
EngineVersion engine_version unless engine_version.nil?
AutoMinorVersionUpgrade minor_upgrade unless minor_upgrade.nil?
PreferredMaintenanceWindow reader_maintenance_window unless reader_maintenance_window.nil?
PubliclyAccessible 'false'
DBInstanceClass Ref(:ReaderInstanceType)
Tags aurora_tags
}
reader_maintenance_window = external_parameters.fetch(:reader_maintenance_window, nil)

Route53_RecordSet(:DBClusterReaderRecord) {
Condition(:CreateReaderRecord)
HostedZoneName FnSub("#{external_parameters[:dns_format]}.")
Name FnSub("#{external_parameters[:hostname_read_endpoint]}.#{external_parameters[:dns_format]}.")
Type 'CNAME'
TTL '60'
ResourceRecords [ FnGetAtt('DBCluster','ReadEndpoint.Address') ]
}
end
RDS_DBInstance(:DBClusterInstanceReader) {
Condition(:EnableReader)
DBSubnetGroupName Ref(:DBClusterSubnetGroup)
DBParameterGroupName Ref(:DBInstanceParameterGroup)
DBClusterIdentifier Ref(:DBCluster)
Engine 'aurora-postgresql'
EngineVersion engine_version unless engine_version.nil?
AutoMinorVersionUpgrade minor_upgrade unless minor_upgrade.nil?
PreferredMaintenanceWindow reader_maintenance_window unless reader_maintenance_window.nil?
PubliclyAccessible 'false'
DBInstanceClass Ref(:ReaderInstanceType)
Tags aurora_tags
}

Route53_RecordSet(:DBClusterReaderRecord) {
Condition(:CreateReaderRecord)
HostedZoneName FnSub("#{external_parameters[:dns_format]}.")
Name FnSub("#{external_parameters[:hostname_read_endpoint]}.#{external_parameters[:dns_format]}.")
Type 'CNAME'
TTL '60'
ResourceRecords [ FnGetAtt('DBCluster','ReadEndpoint.Address') ]
}

Route53_RecordSet(:DBHostRecord) {
Condition(:CreateHostRecord)
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