Lambda – Service Artem is running…

AWS Organization – Automatic adding Sign-in URL for new accounts

To automatically generate a "Sign-in URL" to a newly added Control Tower account, you will need the following: create a Lambda function on the master account (the region must be us-east-1 – Virginia, so we will use CloudTrail as a trigger); create a policy that allows you to assign a role and attach it to … Continue reading

Lambda – For stopping EC2 instances, RDS instances and ASG downscale in all regions

This Python script gets a list of all regions, finds EC2 instances, RDS instances and ASG in them, and if there is no "prevent_stop" tag equal to "true" on the resource, then it stops this resource, and in the case of ASG it scaledown it to 0. main.py: List of required permissions to run … Continue reading

PagerDuty – Python script for creating events

This Python script creates events in PagerDuty using APIv2. The following script was taken as a basis. First you need to create a "Routing Key", aka "Integration Key", not to be confused with "API Access Key", which can be used for any API calls, we only need a key from a specific service. Go to … Continue reading

AWS Cli – Lambda: Update single variable value

Key "–environment" AWS Cli utility replaces all the variables, those that you specify as an argument. To change the value of only one variable without erasing the others, or without listing them all, you can use the following BASH script: aws_lambda_update_env.sh: This script requires jq utility The script reads all current variables, changes … Continue reading

AWS – Lambda: kubectl

An example of how you can create entities in Kubernetes using AWS Lambda. The function will be in Python3, so we will use Kubernetes Python Client More usage examples can be found here. Since AWS Lambda does not support this package, we will pack the "kubernetes" and "boto3" modules in our function. "boto3" is needed … Continue reading

FIX ERROR – AWS Lambda Python: "main() takes 0 positional arguments but 2 were given"

When trying to execute the Lambda Python function, the following error occurs: { "errorMessage": "main() takes 0 positional arguments but 2 were given", "errorType": "TypeError", "stackTrace": [ " File \"/var/runtime/bootstrap.py\", line 131, in handle_event_request\n response = request_handler(event, lambda_context)\n" ] } Solution: From the message, we see that we use the "main" function as a … Continue reading

AWS – CodeBuild: Add an incremental build number

As it turned out, CodeBuild does not have a built-in incremental variable for the build number, as in Jenkins, for example. The solution was found on medium.com To add the build number you will need the following services: AWS SSM (Systems Manager Parameter Store) AWS Lambda AWS CloudWatch AWS IAM Create Parameter Store Go … Continue reading

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