amazon-web-services - 以 YAML 格式将 !Sub 与 !GetAtt 组合

Question

export VAR_HOST=
- !GetAtt
   - ElasticacheCluster
   - ConfigurationEndpoint.Address

export VAR_PORT= 
- !GetAtt
   - ElasticacheCluster
   - ConfigurationEndpoint.Port

Answer 1

您不需要使用!GetAtt。您只需执行以下操作即可:

UserData: !Sub |
   export VAR_HOST=${ElasticacheCluster.ConfigurationEndpoint.Address}
   export VAR_PORT=${ElasticacheCluster.ConfigurationEndpoint.Port}