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npm wrapper to ensure npm publish from clean Git repository

Tip

By default npm publish will publish all files within a working directory - excluding .gitignore / .npmignore / package-lock.json.

This is typically fine, but often I find myself leaving un-staged files (e.g. TODO.txt files) in a repository root and these of course get accidently taken along for the publish ride.

Helper script npm-publish-wrap.sh will catch calls to npm publish and:

• Ensure I'm at the root of a repository (.git directory) found.

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Datadog list all installed integrations

From what I can see, there is no simple way to extract a list of installed Datadog integrations for documentation/etc. purposes.

Here is a lo-fi method of pulling it from the web UI DOM:

• Visit the Integrations page for your Datadog account.
• Open browser web developer tools.
• Execute the following from the JavaScript console:

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Rudimentary JavaScript object deep copy

Function to perform a deep copy of an object - rudimentary in that it will only handle the following types:

• Primitives
• Array
• Object

Basically can perform the following, but also copy undefined:

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Python threaded workers using ThreadPoolExecutor()

A pattern for using concurrent.futures.ThreadPoolExecutor() to execute a series of "worker" functions in parallel, processing a queue of assigned "work".

How it works:

• worker_init() creates:
  • Queues for "work" and "results".
  • A threading.Event() to denote "no more work in queue".
  • A futures.ThreadPoolExecutor().

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Cleanup legacy GitHub Actions workflow runs

Python utility to bulk delete GitHub Actions runs for a given workflow, either current or legacy/since removed. The GitHub web UI currently allows removal of individual workflow runs - but this becomes tedious quickly when performed in bulk.

Usage

Create a Personal access token allowing the workflow scope:

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Quick example for using the GitHub Container registry

Human user access

Create a new Personal access token with the following permissions:

delete:packages
read:packages
write:packages

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Dependabot for Golang based repositories

Minimal YAML configuration for enabling Dependabot within a Golang based repository.

Place dependabot.yaml at .github/dependabot.yaml within your repository and you should be good to go.

Reference

• Configuration options for the dependabot.yml file

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name: Workflow

on:
  push:
    branches:
      - main

jobs:
  first:
    runs-on: ubuntu-latest

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Delete CloudFormation stack - retaining resources

A guide for removing an existing CloudFormation stack - but retaining all managed resources.

First step - we need to get the CloudFormation stack into a state of DELETE_FAILED. This can be achieve by attempting stack delete with an IAM role that only has IAM action rights to cloudformation:DeleteStack and cloudformation:DescribeStackResources.

Create a new temporary IAM role with only the following allowed policy actions:

{

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Remove AWS network interfaces from security group ID

Script has been handy to clean up security groups which have been used with VPC honed AWS Lambda functions and maintain an ENI association.

Why this is a problem:

• Lambda function is created within the given VPC subnet(s) and assigned security group.
• During deployment, AWS on your behalf creates ENIs assigned to the security group and placed into the instructed subnet(s).
• Next, change is made to Lambda involving new security group association. AWS now creates new ENIs - as ENI reuse between Lambdas is only for the same security group/subnet combination.
• Finally, user wishes to clean up legacy security group - but can't as existing ENIs still use security group.