Container Infrastructure Management Service for OpenStack
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heat_template_version: 2013-05-23
description: >
This is a nested stack that defines a single swarm node,
based on a vanilla Fedora 20 cloud image. This stack is included by
a ResourceGroup resource in the parent template (swarmcluster.yaml).
parameters:
server_image:
type: string
description: glance image used to boot the server
server_flavor:
type: string
description: flavor to use when booting the server
ssh_key_name:
type: string
description: name of ssh key to be provisioned on our server
docker_volume_size:
type: number
description: >
size of a cinder volume to allocate to docker for container/image
storage
external_network:
type: string
description: uuid/name of a network to use for floating ip addresses
fixed_network_id:
type: string
description: Network from which to allocate fixed addresses.
fixed_subnet_id:
type: string
description: Subnet from which to allocate fixed addresses.
network_driver:
type: string
description: network driver to use for instantiating container networks
flannel_network_cidr:
type: string
description: network range for flannel overlay network
discovery_url:
type: string
description: url provided for node discovery
http_proxy:
type: string
description: http proxy address for docker
https_proxy:
type: string
description: https proxy address for docker
no_proxy:
type: string
description: no proxies for docker
swarm_api_ip:
type: string
description: swarm master's api server ip address
api_ip_address:
type: string
description: swarm master's api server public ip address
bay_uuid:
type: string
description: identifier for the bay this template is generating
magnum_url:
type: string
description: endpoint to retrieve TLS certs from
tls_disabled:
type: boolean
description: whether or not to disable TLS
swarm_version:
type: string
description: version of swarm used for swarm cluster
secgroup_swarm_node_id:
type: string
description: ID of the security group for swarm node.
etcd_server_ip:
type: string
description: ip address of the load balancer pool of etcd server.
trustee_user_id:
type: string
description: user id of the trustee
trustee_password:
type: string
description: password of the trustee
hidden: true
trust_id:
type: string
description: id of the trust which is used by the trustee
hidden: true
auth_url:
type: string
description: url for keystone
resources:
node_cloud_init_wait_handle:
type: "AWS::CloudFormation::WaitConditionHandle"
node_cloud_init_wait_condition:
type: "AWS::CloudFormation::WaitCondition"
depends_on:
- swarm_node
properties:
Handle:
get_resource: node_cloud_init_wait_handle
Timeout: 6000
node_agent_wait_handle:
type: "AWS::CloudFormation::WaitConditionHandle"
node_agent_wait_condition:
type: "AWS::CloudFormation::WaitCondition"
depends_on:
- swarm_node
properties:
Handle:
get_resource: node_agent_wait_handle
Timeout: 6000
######################################################################
#
# software configs. these are components that are combined into
# a multipart MIME user-data archive.
write_heat_params:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config:
str_replace:
template: {get_file: fragments/write-heat-params-node.yaml}
params:
"$WAIT_HANDLE": {get_resource: node_cloud_init_wait_handle}
"$DOCKER_VOLUME": {get_resource: docker_volume}
"$HTTP_PROXY": {get_param: http_proxy}
"$HTTPS_PROXY": {get_param: https_proxy}
"$NO_PROXY": {get_param: no_proxy}
"$SWARM_API_IP": {get_param: swarm_api_ip}
"$SWARM_NODE_IP": {get_attr: [swarm_node_eth0, fixed_ips, 0, ip_address]}
"$BAY_UUID": {get_param: bay_uuid}
"$MAGNUM_URL": {get_param: magnum_url}
"$TLS_DISABLED": {get_param: tls_disabled}
"$NETWORK_DRIVER": {get_param: network_driver}
"$ETCD_SERVER_IP": {get_param: etcd_server_ip}
"$API_IP_ADDRESS": {get_param: api_ip_address}
"$SWARM_VERSION": {get_param: swarm_version}
"$AGENT_WAIT_HANDLE": {get_resource: node_agent_wait_handle}
"$TRUSTEE_USER_ID": {get_param: trustee_user_id}
"$TRUSTEE_PASSWORD": {get_param: trustee_password}
"$TRUST_ID": {get_param: trust_id}
"$AUTH_URL": {get_param: auth_url}
remove_docker_key:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config: {get_file: fragments/remove-docker-key.sh}
make_cert:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config: {get_file: fragments/make-cert.py}
configure_docker_storage:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/configure-docker-storage.sh}
write_docker_service:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config: {get_file: fragments/write-docker-service.sh}
write_docker_socket:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config: {get_file: fragments/write-docker-socket.yaml}
network_service:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config: {get_file: fragments/network-service.sh}
write_swarm_agent_failure_service:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config:
str_replace:
template: {get_file: fragments/write-bay-failure-service.yaml}
params:
"$SERVICE": swarm-agent
"$WAIT_HANDLE": {get_resource: node_agent_wait_handle}
write_swarm_agent_service:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config: {get_file: fragments/write-swarm-agent-service.sh}
enable_services:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config:
str_replace:
template: {get_file: fragments/enable-services.sh}
params:
"$NODE_SERVICES": "docker.socket swarm-agent"
cfn_signal:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config: {get_file: fragments/cfn-signal.sh}
disable_selinux:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config: {get_file: fragments/disable-selinux.sh}
add_proxy:
type: "OS::Heat::SoftwareConfig"
properties:
group: ungrouped
config: {get_file: fragments/add-proxy.sh}
swarm_node_init:
type: "OS::Heat::MultipartMime"
properties:
parts:
- config: {get_resource: disable_selinux}
- config: {get_resource: remove_docker_key}
- config: {get_resource: write_heat_params}
- config: {get_resource: make_cert}
- config: {get_resource: network_service}
- config: {get_resource: configure_docker_storage}
- config: {get_resource: write_swarm_agent_failure_service}
- config: {get_resource: write_swarm_agent_service}
- config: {get_resource: write_docker_service}
- config: {get_resource: write_docker_socket}
- config: {get_resource: add_proxy}
- config: {get_resource: enable_services}
- config: {get_resource: cfn_signal}
swarm_node:
type: "OS::Nova::Server"
properties:
image:
get_param: server_image
flavor:
get_param: server_flavor
key_name:
get_param: ssh_key_name
user_data_format: RAW
user_data: {get_resource: swarm_node_init}
networks:
- port:
get_resource: swarm_node_eth0
swarm_node_eth0:
type: "OS::Neutron::Port"
properties:
network_id:
get_param: fixed_network_id
security_groups:
- {get_param: secgroup_swarm_node_id}
fixed_ips:
- subnet_id:
get_param: fixed_subnet_id
allowed_address_pairs:
- ip_address: {get_param: flannel_network_cidr}
swarm_node_floating:
type: "OS::Neutron::FloatingIP"
properties:
floating_network:
get_param: external_network
port_id:
get_resource: swarm_node_eth0
######################################################################
#
# docker storage. This allocates a cinder volume and attaches it
# to the node.
#
docker_volume:
type: OS::Cinder::Volume
properties:
size: {get_param: docker_volume_size}
docker_volume_attach:
type: OS::Cinder::VolumeAttachment
properties:
instance_uuid: {get_resource: swarm_node}
volume_id: {get_resource: docker_volume}
mountpoint: /dev/vdb
outputs:
swarm_node_ip:
value: {get_attr: [swarm_node_eth0, fixed_ips, 0, ip_address]}
description: >
This is the "private" address of the Swarm node.
swarm_node_external_ip:
value: {get_attr: [swarm_node_floating, floating_ip_address]}
description: >
This is the "public" address of the Swarm node.