charlesmarshall’s gists

charlesmarshall / etcd-to-docker-env

Created September 3, 2014 10:22

Bash script to parse elements of etcd into -e docker params

	#!/bin/bash
	# create global ENVS associated array
	declare -A ENVS
	# string for the -e vars
	environmentVariables=""

	##
	# set a a bunch of test data
	generateTestEnvData(){
	echo "Setting test data"

charlesmarshall / coreos-auto-token-replace

Created September 3, 2014 09:03

automated vagrant up with token replacement

 vagrant destroy -f
 vagrant box update
 ssh-keygen -f ~/.ssh/known_hosts -R 172.17.8.101
 oldIFS="$IFS"
 IFS="¬"
 content="$(cat ./user-data)"
 discovery="$(curl -s https://discovery.etcd.io/new)"
 echo "new token: ${discovery}"
 echo ${content} | sed -E "s#discovery: (.*)#discovery: ${discovery}#g" > ./user-data
 IFS="$oldIFS"

charlesmarshall / heartbeat-with-domain-registration.service

Created July 28, 2014 13:12

heartbeat service with added domain registration

	[Unit]
	Description=heartbeat for website
	BindTo=website.service
	[X-Fleet]
	X-ConditionMachineOf=website.service
	[Service]
	EnvironmentFile=$pathToBashUtilitiesFile
	Environment="envFile=$pathToBashUtilitiesFile"
	Environment="containerName=website$counter"
	Environment="sleepTime=20"

charlesmarshall / heartbeat-for-website-blocking.service

Created July 25, 2014 15:39

A heartbeat that will be blocked and wait before it starts setting values in etcd

	[Unit]
	Description=heartbeat for website
	BindTo=website.service
	[X-Fleet]
	X-ConditionMachineOf=website.service
	[Service]
	EnvironmentFile=$pathToBashUtilitiesFile
	Environment="envFile=$pathToBashUtilitiesFile"
	Environment="containerName=website$counter"
	Environment="sleepTime=20"

charlesmarshall / heartbeat-for-website.service

Created July 25, 2014 15:04

heartbeat for the simple website service

	[Unit]
	Description=heartbeat for website
	BindTo=website.service
	[X-Fleet]
	X-ConditionMachineOf=website.service
	[Service]
	EnvironmentFile=$pathToBashUtilitiesFile
	Environment="envFile=$pathToBashUtilitiesFile"
	Environment="containerName=website$counter"
	Environment="sleepTime=20"

charlesmarshall / get-service-ip-and-port.sh

Last active August 29, 2015 14:04

Use a service name to find the ip & port that its running on

	# $1 = service name
	# $2 = service internal port
	getServiceIPAndPort(){
	local id=$(docker ps -a \| grep "$ ${1}$" \| awk '{ print $1 }')
	local port=$(docker port $id $2 \| sed -r 's#0.0.0.0:##gi')
	if [[ -z $port ]]; then
	sleep 5
	getServiceIPAndPort "${1}" "${2}"
	fi
	echo "${COREOS_PRIVATE_IPV4}:${port}"

charlesmarshall / website-service-dynamic-port.service

Created July 25, 2014 14:10

basic website without hard coded port mapping

	[Unit]
	Description=Example website
	After=etcd.service
	After=docker.service
	[Service]

	ExecStop=/usr/bin/bash -l -c "docker stop $image_name ;"
	ExecStart=/usr/bin/bash -l -c "docker pull $registry_ip:5000/$image_name ; docker run --rm --name $container_name -p 80 -i $image_name /bin/bash -l -c "service nginx start";"

charlesmarshall / website-service-file.service

Last active August 29, 2015 14:04

basic website service file

	[Unit]
	Description=Example website
	After=etcd.service
	After=docker.service
	[Service]

	ExecStop=/usr/bin/bash -l -c "docker stop $image_name ;"
	ExecStart=/usr/bin/bash -l -c "docker pull $registry_ip:5000/$image_name ; docker run --rm --name $container_name -p 80:80 -i $image_name /bin/bash -l -c "service nginx start";"

charlesmarshall / coreos-simple-service-docker-service

Created July 22, 2014 12:24

CoreOS Docker registry as a service

	[Unit]
	Description=Docker registry
	After=etcd.service
	After=docker.service
	[Service]

	ExecStop=/usr/bin/bash -l -c "docker stop registry ;"
	ExecStart=/usr/bin/bash -l -c "docker pull registry:latest ; docker run --rm --name registry -p 5000:5000 registry ;"

charlesmarshall / coreos-simple-service-registry

Last active August 29, 2015 14:04

CoreOS setting up Docker registry

docker pull registry:latest && docker run --rm --name registry -p 5000:5000 registry

charles marshall charlesmarshall