Skip to main content

AWS CloudFormation - FAQs

  • How to delete the resources created through CloudFormation?

    They can be deleted by deleting the CloudFormation stack

    aws cloudformation delete-stack --stack-name <STACK_NAME> --profile <PROFILE> --region <REGION>
  • I have created an SQS Queue by running a CloudFormation Stack. After that, I have deleted that SQS Queue. Can I recreate that SQS Queue by running the CloudFormation Stack again?

    No, it is not possible. In this case, the SQS can be recreated by creating a new CloudFormation Stack and running it

  • How to create a CloudFormation Stack using a yaml template file through AWS CLI?

    aws cloudformation create-stack --stack-name <STACK_NAME> --profile <PROFILE> --region <REGION> --template-body file://template.yaml
  • How to specify the parameter values in the above command?

    aws cloudformation create-stack --stack-name <STACK_NAME> --profile <PROFILE> --region <REGION> --template-body file://template.yaml --parameters ParameterKey=<PARAMETER_KEY>,ParameterValue=<PARAMETER_VALUE>
Labels:

Comments

Post a Comment

Popular posts from this blog

AWS Route53 - Private Hosted Zone

Post a Comment
Read more

AWS - Error - An error occurred (ExpiredToken) when calling the DescribeStacks operation: The security token included in the request is expired

Error:   An error occurred (ExpiredToken) when calling the DescribeStacks operation: The security token included in the request is expired. Reason: It occurred when I ran a MAKE command with a profile having expired token (security credentials) Fix: Generate new security credentials (aws sts assume-role) and run the command again
Post a Comment
Read more

High availability (Multi-AZ) for Amazon RDS

There is something called failover technology in Amazon. AWS RDS's Multi-AZ deployment uses this technology. If you enable Multi-AZ for an RDS DB, say MySQL DB, RDS automatically creates a standby replica in a different AZ. If the primary DB instance is in AZ-1A, then RDS creates a standby replica in AZ-1B (for example). Suppose I add a new row to a table in the primary DB, then the same row is added, almost in the same time, in the standby replica. This is called as synchronous replication . Thus, standby replicas are useful during DB instance failure/ AZ disruption . How? Because, there is no need to create a backup later because the backup has already been created. This gives high availability during planned system maintenance. Normal backup  operation - I/O activities are blocked in the primary database  Automated backup operation (standby replica) - I/O activities are not blocked This standby replica is not similar to read replica (which is used for disaster recovery). S...
Post a Comment
Read more