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@dlethin
dlethin / failing.txt.j2
Last active October 6, 2018 00:41
Weird behavior with ansible jinja2 evaluating a variable it shouldn't need and failing
; start
{% if False %}
; not rendered
{{ outer }}
{% endif %}
; end
@dlethin
dlethin / bash_aws_jq_cheatsheet.sh
Created September 10, 2018 15:38 — forked from lukeplausin/bash_aws_jq_cheatsheet.sh
AWS, JQ and bash command cheat sheet. How to query, cut and munge things in JSON generally.
# 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
@dlethin
dlethin / git-branches-by-commit-date.sh
Created January 12, 2018 13:39 — forked from jasonrudolph/git-branches-by-commit-date.sh
List remote Git branches and the last commit date for each branch. Sort by most recent commit date.
# Credit http://stackoverflow.com/a/2514279
for branch in `git branch -r | grep -v HEAD`;do echo -e `git show --format="%ci %cr" $branch | head -n 1` \\t$branch; done | sort -r