charlesmarshall’s gists

charlesmarshall / coreos-cloud-init-host-access-only

Created June 8, 2014 11:50

CoreOS Cloud-Init with host access and etcd tokens only

	#cloud-config
	ssh_authorized_keys:
	- ssh-rsa AAAAB3NzaC1yc2EAAAADAQAB ...snip... QAyapHGwoBvkq7nNp
	coreos:
	etcd:
	# via https://discovery.etcd.io/new
	discovery: https://discovery.etcd.io/7028e012ca66ef0121b64c19c40a425a
	addr: $private_ipv4:4001
	peer-addr: $private_ipv4:7001
	write_files:

charlesmarshall / coreos-cloud-init-fleet-etcd-start

Created June 8, 2014 12:09

CoreOS Cloud-Init with fleet and etcd start up

	#cloud-config
	ssh_authorized_keys:
	- ssh-rsa AAAAB3NzaC1yc2EAAAADAQAB ...snip... QAyapHGwoBvkq7nNp
	coreos:
	etcd:
	# via https://discovery.etcd.io/new
	discovery: https://discovery.etcd.io/7028e012ca66ef0121b64c19c40a425a
	addr: $private_ipv4:4001
	peer-addr: $private_ipv4:7001
	units:

charlesmarshall / coreos-cloud-init-host-announce

Created June 9, 2014 08:43

CoreOS Cloud-Init with host announcement service

	#cloud-config
	ssh_authorized_keys:
	- ssh-rsa AAAAB3NzaC1yc2EAAAADAQAB ...snip... QAyapHGwoBvkq7nNp
	coreos:
	etcd:
	# via https://discovery.etcd.io/new
	discovery: https://discovery.etcd.io/7028e012ca66ef0121b64c19c40a425a
	addr: $private_ipv4:4001
	peer-addr: $private_ipv4:7001
	units:

charlesmarshall / coreos-cloud-init-env

Created June 9, 2014 09:15

CoreOS Cloud-Init with amends to environment file

	#cloud-config
	ssh_authorized_keys:
	- ssh-rsa AAAAB3NzaC1yc2EAAAADAQAB ...snip... QAyapHGwoBvkq7nNp
	coreos:
	etcd:
	# via https://discovery.etcd.io/new
	discovery: https://discovery.etcd.io/7028e012ca66ef0121b64c19c40a425a
	addr: $private_ipv4:4001
	peer-addr: $private_ipv4:7001
	units:

charlesmarshall / coreos-etcd-sync-check

Created June 9, 2014 09:49

CoreOS etcd sync check

	etcd_sync_check(){
	count=0;
	while ( true ); do
	check=$(etcdctl ls / \| grep 'Cannot sync' \| wc -l) ;
	if [ $check -eq 0 ]; then
	break ;
	else
	warning "Cannot connect to etcd"
	if [ $count -gt 50 ]; then
	fatal "Failed to connect to etcd"

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

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 / 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 / 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 / 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}"

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