not-latest-docker.py
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Authored by thcipriani on Jun 10 2019, 7:01 PM.

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	F29435391: raw.txt
	Jun 10 2019, 7:01 PM

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	#!/usr/bin/env python
	#
	# Finds all docker images without the latest tag
	#
	# Use like:
	# python not-latest-docker.py \| while read img; do docker rmi "$img"; done
	import subprocess

	images = {}

	for thing in subprocess.check_output('docker image ls --format "{{.ID}} {{.Tag}}"', shell=True).splitlines():
	image, tag = thing.split(' ')
	if not images.get(image):
	images[image] = []
	images[image].append(tag)

	for image, tags in images.items():
	if 'latest' in tags:
	continue

	print image

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