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@therve therve/docker_wc.yaml
Last active Aug 29, 2015

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Heat Docker template using wait conditions
heat_template_version: 2013-05-23
description: >
Heat Docker template using wait conditions.
parameters:
key_name:
type: string
description : Name of a KeyPair to enable SSH access to the instance
default: heat
instance_type:
type: string
description: Instance type for WordPress server
default: m1.small
image_id:
type: string
description: >
Name or ID of the image to use for the Docker server.
Recommended values are fedora-20.i386 or fedora-20.x86_64;
get them from http://cloud.fedoraproject.org/fedora-20.i386.qcow2
or http://cloud.fedoraproject.org/fedora-20.x86_64.qcow2 .
resources:
docker_sg:
type: OS::Neutron::SecurityGroup
properties:
description: Ping, SSH, Docker
rules:
- protocol: icmp
- protocol: tcp
port_range_min: 22
port_range_max: 22
- protocol: tcp
port_range_min: 80
port_range_max: 80
- protocol: tcp
port_range_min: 2345
port_range_max: 2345
docker_wait_handle:
type: AWS::CloudFormation::WaitConditionHandle
docker_wait_condition:
type: AWS::CloudFormation::WaitCondition
depends_on: [docker_host]
properties:
Handle:
get_resource: docker_wait_handle
Timeout: '6000'
docker_host:
type: OS::Nova::Server
properties:
image: {get_param: image_id}
flavor: {get_param: instance_type}
key_name: {get_param: key_name}
security_groups:
- {get_resource: docker_sg}
user_data_format: RAW
user_data:
str_replace:
template: |
#!/bin/bash -v
setenforce 0
yum -y install docker-io
cp /usr/lib/systemd/system/docker.service /etc/systemd/system/
sed -i -e '/ExecStart/ { s,fd://,tcp://0.0.0.0:2345, }' /etc/systemd/system/docker.service
systemctl start docker.service
cfn-signal -e 0 --data "OK" -r "Setup complete" "WAIT_HANDLE"
params:
WAIT_HANDLE: {get_resource: docker_wait_handle}
database_password:
type: OS::Heat::RandomString
database:
type: DockerInc::Docker::Container
depends_on: [docker_wait_condition]
properties:
image: mysql
name: db
docker_endpoint:
str_replace:
template: http://host:2345/
params:
host: {get_attr: [docker_host, networks, private, 0]}
env:
- {str_replace: {template: MYSQL_ROOT_PASSWORD=password,
params: {password: {get_attr: [database_password, value]}}}
wordpress:
type: DockerInc::Docker::Container
depends_on: [database]
properties:
image: wordpress
links:
db: mysql
port_bindings:
80/tcp: [{"HostPort": "80"}]
docker_endpoint:
str_replace:
template: http://host:2345/
params:
host: {get_attr: [docker_host, networks, private, 0]}
outputs:
info:
description: Public address of the web site
value:
str_replace:
template: http://host/wordpress
params:
host: {get_attr: [docker_host, networks, private, 0]}
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