mbentley’s gists

mbentley / cache_docker_images

Created March 12, 2015 13:41

docker registry mirror

	#!/bin/bash

	# lists of images to cache
	base_images="busybox:latest debian:wheezy debian:jessie ubuntu:14.04 golang:1.3-cross"
	dhe="dockerhubenterprise/admin-server dockerhubenterprise/log-aggregator dockerhubenterprise/distribution dockerhubenterprise/nginx"
	dhedev="dockerhubenterprise/log-aggregator-dev dockerhubenterprise/admin-server-dev dockerhubenterprise/nginx-dev dockerhubenterprise/garant dockerhubenterprise/distribution"

	# pull lists together
	images="${base_images} ${dhe} ${dhedev}"

mbentley / gist:e2d360a469591986e884

Last active August 29, 2015 14:14

docker machine + swarm

	demo-master
	===========
	swarm create
	docker-machine -D create -d amazonec2 --swarm --swarm-master --swarm-discovery token://<cluster_id> --swarm-host 'tcp://0.0.0.0:3376' demo-master
	<initialize other docker hosts; demo-docker01 and demo-docker02>
	$(docker-machine shellinit demo-master)
	echo $DOCKER_HOST
	export DOCKER_HOST=tcp://54.152.22.32:3376

mbentley / docker-util

Last active August 29, 2015 14:13

	#!/bin/bash

	set -e

	set_variables() {
	# define the full path to the docker binary
	DOCKER_BINARY="/usr/bin/docker"

	# define the full path to the 'zombie_dir_cleanup.py' script (see https://gist.github.com/mbentley/af9845a509b0166562b1)
	VOLUME_CLEANUP_SCRIPT="/usr/local/bin/zombie_dir_cleanup.py"

mbentley / zombie_dir_cleanup.py

Created January 22, 2015 21:54

	#!/usr/bin/env python
	"""
	Check all existing Docker containers for their mapped paths, and then purge any
	zombie directories in docker's volumes directory which don't correspond to an
	existing container.

	script provided by adamhadani (see https://github.com/docker/docker/issues/6354#issuecomment-60817733)
	"""
	import logging
	import os

mbentley / gist:ac5b8bd5af14b09cd90a

Created January 7, 2015 01:51

keybase.md

	### Keybase proof

	I hereby claim:

	* I am mbentley on github.
	* I am mbentley (https://keybase.io/mbentley) on keybase.
	* I have a public key whose fingerprint is A31B F841 EFB1 6C07 DC6F 1C4B F38E 2446 6CFF C4FB

	To claim this, I am signing this object:

mbentley / kern.log

Created December 16, 2014 01:56

docker + virtualbox CPU stall - kern.log backtrace

	Dec 14 04:10:27 debiantest kernel: [ 337.592875] INFO: rcu_sched self-detected stall on CPU { 0} (t=5250 jiffies g=675 c=674 q=438)
	Dec 14 04:10:27 debiantest kernel: [ 337.592917] sending NMI to all CPUs:
	Dec 14 04:10:27 debiantest kernel: [ 337.592919] NMI backtrace for cpu 0
	Dec 14 04:10:27 debiantest kernel: [ 337.592921] CPU: 0 PID: 3477 Comm: sshd Tainted: G C O 3.16.0-0.bpo.4-amd64 #1 Debian 3.16.7-ckt2-1~bpo70+1
	Dec 14 04:10:27 debiantest kernel: [ 337.592922] Hardware name: Gigabyte Technology Co., Ltd. EX58-UD3R/EX58-UD3R, BIOS Fk1 05/10/2011
	Dec 14 04:10:27 debiantest kernel: [ 337.592924] task: ffff88031f72e090 ti: ffff88031f764000 task.ti: ffff88031f764000
	Dec 14 04:10:27 debiantest kernel: [ 337.592925] RIP: 0010:[<ffffffff812d47f9>] [<ffffffff812d47f9>] __const_udelay+0x9/0x30
	Dec 14 04:10:27 debiantest kernel: [ 337.592929] RSP: 0018:ffff88032fc03da0 EFLAGS: 00000002
	Dec 14 04:10:27 debiantest kernel: [ 337.592930] RAX: 0000000000001400 RBX: 00000000000003e9 RCX: 000000000

Matt Bentley mbentley