If you use the CloudFormation resource AWS::EC2::VPNConnection to create the VPN connection and attach it to the Transit Gateway (TGW), you may notice that it does not return the TGW attachment ID. So it is a bit annoying if you would like to tag the attachment and associate the attachment to a non-default TGW route table. … Continue reading Automate VPN connection and its TGW attachment
A couple years back I wrote a post to share how to create AWS instance profile for on-premise servers. That was to use SSM agent and Lambda function to manage the IAM credentials for the on-premise servers. Starting early this month, the AWS native solution for such use cases are available - AWS IAM Role … Continue reading AWS IAM Roles Anywhere
I came cross a nice Diagram as Code tool, it allows me to draw Cloud system architecture in Python code. To use it, you need to install Graphviz and diagrams python module. brew install graphviz pip install diagrams Here is a sample code of using the tool to create the diagram of AWS transit gateway … Continue reading Diagram as Code Example
Here we Go - my first side project (Concierge) that is written in Go 😅 . It is a AWS CloudFormation compliance check tool which uses CloudConformity API to evaluate the CloudFormation stack compliance status. The compiled binaries can run on Windows/Linux/MacOs, so it can be easily integrated into any CICD pipeline to improve the … Continue reading Concierge – AWS CloudFormation Compliance Check Tool (using CloudConformity API)
We recently noticed an interesting error in CloudTrail across multiple accounts: "errorMessage": "User: arn:aws:sts::123456789012:assumed-role/AwsConfigServiceRole/ConfigResourceCompositionSession is not authorized to perform: iam:CreateServiceLinkedRole on resource: arn:aws:iam::123456789012:role/aws-service-role/globalaccelerator.amazonaws.com/AWSServiceRoleForGlobalAccelerator because no identity-based policy allows the iam:CreateServiceLinkedRole action" According the above message, it looks like the AWS Config service role was trying to create the service linked role for Global Accelerator. The … Continue reading AWS Config service role is not authorized to perform: iam:CreateServiceLinkedRole for Global Accelerator
Jackie Chen's IT Workshop 