magnum/magnum/templates/heat-kubernetes/kubecluster.yaml

278 lines
7.8 KiB
YAML

heat_template_version: 2013-05-23
description: >
This template will boot a Kubernetes cluster with one or more
minions (as specified by the number_of_minions parameter, which
defaults to 1).
parameters:
ssh_key_name:
type: string
description: name of ssh key to be provisioned on our server
external_network:
type: string
description: uuid/name of a network to use for floating ip addresses
default: public
server_image:
type: string
description: glance image used to boot the server
master_flavor:
type: string
default: m1.small
description: flavor to use when booting the server
minion_flavor:
type: string
default: m1.small
description: flavor to use when booting the server
dns_nameserver:
type: string
description: address of a dns nameserver reachable in your environment
default: 8.8.8.8
number_of_masters:
type: string
description: how many kubernetes masters to spawn
default: 1
number_of_minions:
type: string
description: how many kubernetes minions to spawn
default: 1
fixed_network_cidr:
type: string
description: network range for fixed ip network
default: 10.0.0.0/24
portal_network_cidr:
type: string
description: >
address range used by kubernetes for service portals
default: 10.254.0.0/16
flannel_network_cidr:
type: string
description: network range for flannel overlay network
default: 10.100.0.0/16
flannel_network_subnetlen:
type: string
description: size of subnet assigned to each minion
default: 24
flannel_use_vxlan:
type: string
description: >
if true use the vxlan backend, otherwise use the default
udp backend
default: "false"
constraints:
- allowed_values: ["true", "false"]
kube_allow_priv:
type: string
description: >
whether or not kubernetes should permit privileged containers.
default: "true"
constraints:
- allowed_values: ["true", "false"]
docker_volume_size:
type: number
description: >
size of a cinder volume to allocate to docker for container/image
storage
default: 25
wait_condition_timeout:
type: number
description: >
timeout for the Wait Conditions
default: 6000
minions_to_remove:
type: comma_delimited_list
description: >
List of minions to be removed when doing an update. Individual minion may
be referenced several ways: (1) The resource name (e.g. ['1', '3']),
(2) The private IP address ['10.0.0.4', '10.0.0.6']. Note: the list should
be empty when doing an create.
default: []
discovery_url:
type: string
description: >
Discovery URL used for bootstrapping the etcd cluster.
resources:
######################################################################
#
# network resources. allocate a network and router for our server.
#
fixed_network:
type: OS::Neutron::Net
fixed_subnet:
type: OS::Neutron::Subnet
properties:
cidr: {get_param: fixed_network_cidr}
network: {get_resource: fixed_network}
dns_nameservers:
- {get_param: dns_nameserver}
extrouter:
type: OS::Neutron::Router
properties:
external_gateway_info:
network: {get_param: external_network}
extrouter_inside:
type: OS::Neutron::RouterInterface
properties:
router_id: {get_resource: extrouter}
subnet: {get_resource: fixed_subnet}
######################################################################
#
# load balancers.
#
api_monitor:
type: OS::Neutron::HealthMonitor
properties:
type: TCP
delay: 5
max_retries: 5
timeout: 5
api_pool:
type: OS::Neutron::Pool
properties:
protocol: HTTP
monitors: [{get_resource: api_monitor}]
subnet: {get_resource: fixed_subnet}
lb_method: ROUND_ROBIN
vip:
protocol_port: 8080
api_pool_floating:
type: OS::Neutron::FloatingIP
properties:
floating_network: {get_param: external_network}
port_id: {get_attr: [api_pool, vip, port_id]}
etcd_monitor:
type: OS::Neutron::HealthMonitor
properties:
type: TCP
delay: 5
max_retries: 5
timeout: 5
etcd_pool:
type: OS::Neutron::Pool
properties:
protocol: HTTP
monitors: [{get_resource: etcd_monitor}]
subnet: {get_resource: fixed_subnet}
lb_method: ROUND_ROBIN
vip:
protocol_port: 2379
######################################################################
#
# kubernetes masters. This is a resource group that will create
# <number_of_masters> masters.
#
kube_masters:
type: OS::Heat::ResourceGroup
depends_on:
- extrouter_inside
properties:
count: {get_param: number_of_masters}
resource_def:
type: kubemaster.yaml
properties:
ssh_key_name: {get_param: ssh_key_name}
server_image: {get_param: server_image}
master_flavor: {get_param: master_flavor}
external_network: {get_param: external_network}
kube_allow_priv: {get_param: kube_allow_priv}
wait_condition_timeout: {get_param: wait_condition_timeout}
flannel_network_cidr: {get_param: flannel_network_cidr}
flannel_network_subnetlen: {get_param: flannel_network_subnetlen}
flannel_use_vxlan: {get_param: flannel_use_vxlan}
portal_network_cidr: {get_param: portal_network_cidr}
discovery_url: {get_param: discovery_url}
fixed_network: {get_resource: fixed_network}
fixed_subnet: {get_resource: fixed_subnet}
api_pool_id: {get_resource: api_pool}
etcd_pool_id: {get_resource: etcd_pool}
######################################################################
#
# kubernetes minions. This is an resource group that will initially
# create <number_of_minions> minions, and needs to be manually scaled.
#
kube_minions:
type: OS::Heat::ResourceGroup
depends_on:
- extrouter_inside
- kube_masters
properties:
count: {get_param: number_of_minions}
removal_policies: [{resource_list: {get_param: minions_to_remove}}]
resource_def:
type: kubeminion.yaml
properties:
ssh_key_name: {get_param: ssh_key_name}
server_image: {get_param: server_image}
minion_flavor: {get_param: minion_flavor}
fixed_network: {get_resource: fixed_network}
fixed_subnet: {get_resource: fixed_subnet}
kube_master_ip: {get_attr: [api_pool, vip, address]}
etcd_server_ip: {get_attr: [etcd_pool, vip, address]}
external_network: {get_param: external_network}
kube_allow_priv: {get_param: kube_allow_priv}
docker_volume_size: {get_param: docker_volume_size}
wait_condition_timeout: {get_param: wait_condition_timeout}
outputs:
api_address:
value:
str_replace:
template: api_ip_address:8080
params:
api_ip_address: {get_attr: [api_pool_floating, floating_ip_address]}
description: >
This is the API endpoint of the Kubernetes server. Use this to access
the Kubernetes API from outside the cluster.
kube_masters:
value: {get_attr: [kube_masters, kube_master_external_ip]}
description: >
This is a list of "public" ip addresses of all Kubernetes master servers.
Use these addresses to log in to the Kubernetes masters via ssh.
kube_minions:
value: {get_attr: [kube_minions, kube_minion_ip]}
description: >
This is a list of the "private" addresses of all the Kubernetes minions.
kube_minions_external:
value: {get_attr: [kube_minions, kube_minion_external_ip]}
description: >
This is a list of the "public" addresses of all the Kubernetes minions. Use
these addresses to, e.g., log into the minions.