| package main | |
| // This is an example of a resilient worker program written in Go. | |
| // | |
| // This program will run a worker, wait 5 seconds, and run it again. | |
| // It exits when SIGINT or SIGTERM is received, while ensuring any ongoing work | |
| // is finished before exiting. | |
| // | |
| // Unexpected panics are also handled: program won't crash if the worker panics. | |
| // However, panics in goroutines started by the worker won't be handled and have |
This is a collection of the things I believe about software development. I have worked for years building backend and data processing systems, so read the below within that context.
Agree? Disagree? Feel free to let me know at @JanStette.
Keep it simple, stupid. You ain't gonna need it.
| # Count total EBS based storage in AWS | |
| aws ec2 describe-volumes | jq "[.Volumes[].Size] | add" | |
| # Count total EBS storage with a tag filter | |
| aws ec2 describe-volumes --filters "Name=tag:Name,Values=CloudEndure Volume qjenc" | jq "[.Volumes[].Size] | add" | |
| # Describe instances concisely | |
| aws ec2 describe-instances | jq '[.Reservations | .[] | .Instances | .[] | {InstanceId: .InstanceId, State: .State, SubnetId: .SubnetId, VpcId: .VpcId, Name: (.Tags[]|select(.Key=="Name")|.Value)}]' | |
| # Wait until $instance_id is running and then immediately stop it again | |
| aws ec2 wait instance-running --instance-id $instance_id && aws ec2 stop-instances --instance-id $instance_id | |
| # Get 10th instance in the account |
| #!groovy | |
| # Best of Jenkinsfile | |
| # `Jenkinsfile` is a groovy script DSL for defining CI/CD workflows for Jenkins | |
| node { | |
| } |