Container Infrastructure Management Service for OpenStack
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magnum/magnum/templates/kubernetes/kubemaster.yaml

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heat_template_version: 2013-05-23
description: >
This is a nested stack that defines a single Kubernetes master, This stack is
included by an ResourceGroup resource in the parent template
(kubecluster.yaml).
parameters:
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
ssh_key_name:
type: string
description: name of ssh key to be provisioned on our server
default: lars
external_network:
type: string
description: uuid/name of a network to use for floating ip addresses
portal_network_cidr:
type: string
description: >
address range used by kubernetes for service portals
default: 10.254.0.0/16
kube_allow_priv:
type: string
description: >
whether or not kubernetes should permit privileged containers.
default: "false"
constraints:
- allowed_values: ["true", "false"]
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 master
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"]
discovery_url:
type: string
description: >
Discovery URL used for bootstrapping the etcd cluster.
tls_disabled:
type: boolean
description: whether or not to enable TLS
default: False
kubernetes_port:
type: number
description: >
The port which are used by kube-apiserver to provide Kubernetes
service.
default: 6443
user_token:
type: string
description: token used for communicating back to Magnum for TLS certs
bay_uuid:
type: string
description: identifier for the bay this template is generating
magnum_url:
type: string
description: endpoint to retrieve TLS certs from
# The following are all generated in the parent template.
api_public_address:
type: string
description: Public IP address of the Kubernetes master server.
api_private_address:
type: string
description: Private IP address of the Kubernetes master server.
fixed_network:
type: string
description: Network from which to allocate fixed addresses.
fixed_subnet:
type: string
description: Subnet from which to allocate fixed addresses.
network_driver:
type: string
description: network driver to use for instantiating container networks
wait_condition_timeout:
type: number
description : >
timeout for the Wait Conditions
secgroup_base_id:
type: string
description: ID of the security group for base.
secgroup_kube_master_id:
type: string
description: ID of the security group for kubernetes master.
api_pool_id:
type: string
description: ID of the load balancer pool of k8s API server.
etcd_pool_id:
type: string
description: ID of the load balancer pool of etcd server.
auth_url:
type: string
description: >
url for kubernetes to authenticate before sending request to neutron
username:
type: string
description: >
user account
password:
type: string
description: >
user password
tenant_name:
type: string
description: >
tenant name
http_proxy:
type: string
description: http proxy address for docker
default: ""
https_proxy:
type: string
description: https proxy address for docker
default: ""
no_proxy:
type: string
description: no proxies for docker
default: ""
resources:
master_wait_handle:
type: OS::Heat::WaitConditionHandle
master_wait_condition:
type: OS::Heat::WaitCondition
depends_on: kube_master
properties:
handle: {get_resource: master_wait_handle}
timeout: {get_param: wait_condition_timeout}
######################################################################
#
# 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-master.yaml}
params:
"$KUBE_API_PUBLIC_ADDRESS": {get_param: api_public_address}
"$KUBE_API_PRIVATE_ADDRESS": {get_param: api_private_address}
"$KUBE_API_PORT": {get_param: kubernetes_port}
"$KUBE_ALLOW_PRIV": {get_param: kube_allow_priv}
"$NETWORK_DRIVER": {get_param: network_driver}
"$FLANNEL_NETWORK_CIDR": {get_param: flannel_network_cidr}
"$FLANNEL_NETWORK_SUBNETLEN": {get_param: flannel_network_subnetlen}
"$FLANNEL_USE_VXLAN": {get_param: flannel_use_vxlan}
"$PORTAL_NETWORK_CIDR": {get_param: portal_network_cidr}
"$ETCD_DISCOVERY_URL": {get_param: discovery_url}
"$AUTH_URL": {get_param: auth_url}
"$USERNAME": {get_param: username}
"$PASSWORD": {get_param: password}
"$TENANT_NAME": {get_param: tenant_name}
"$CLUSTER_SUBNET": {get_param: fixed_subnet}
"$TLS_DISABLED": {get_param: tls_disabled}
"$BAY_UUID": {get_param: bay_uuid}
"$USER_TOKEN": {get_param: user_token}
"$MAGNUM_URL": {get_param: magnum_url}
"$HTTP_PROXY": {get_param: http_proxy}
"$HTTPS_PROXY": {get_param: https_proxy}
"$NO_PROXY": {get_param: no_proxy}
make_cert:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/make-cert.sh}
configure_etcd:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/configure-etcd.sh}
write_kube_os_config:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/write-kube-os-config.sh}
configure_kubernetes:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/configure-kubernetes-master.sh}
write_network_config:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/write-network-config.sh}
network_config_service:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/network-config-service.sh}
enable_services:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/enable-services-master.sh}
kube_user:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/kube-user.yaml}
kube_examples:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/kube-examples.yaml}
network_service:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/network-service.sh}
enable_kube_podmaster:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/enable-kube-podmaster.sh}
kube_system_namespace_service:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/kube-system-namespace-service.sh}
kube_ui_service:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/kube-ui-service.sh}
enable_kube_proxy:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config: {get_file: fragments/enable-kube-proxy-master.sh}
master_wc_notify:
type: OS::Heat::SoftwareConfig
properties:
group: ungrouped
config:
str_replace:
template: |
#!/bin/bash -v
wc_notify --data-binary '{"status": "SUCCESS"}'
params:
wc_notify: {get_attr: [master_wait_handle, curl_cli]}
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}
kube_master_init:
type: OS::Heat::MultipartMime
properties:
parts:
- config: {get_resource: disable_selinux}
- config: {get_resource: write_heat_params}
- config: {get_resource: configure_etcd}
- config: {get_resource: kube_user}
- config: {get_resource: write_kube_os_config}
- config: {get_resource: make_cert}
- config: {get_resource: configure_kubernetes}
- config: {get_resource: add_proxy}
- config: {get_resource: enable_services}
- config: {get_resource: write_network_config}
- config: {get_resource: network_config_service}
- config: {get_resource: network_service}
- config: {get_resource: kube_system_namespace_service}
- config: {get_resource: enable_kube_podmaster}
- config: {get_resource: enable_kube_proxy}
- config: {get_resource: kube_ui_service}
- config: {get_resource: kube_examples}
- config: {get_resource: master_wc_notify}
######################################################################
#
# a single kubernetes master.
#
kube_master:
type: OS::Nova::Server
properties:
image: {get_param: server_image}
flavor: {get_param: master_flavor}
key_name: {get_param: ssh_key_name}
user_data_format: RAW
user_data: {get_resource: kube_master_init}
networks:
- port: {get_resource: kube_master_eth0}
kube_master_eth0:
type: OS::Neutron::Port
properties:
network: {get_param: fixed_network}
security_groups:
- {get_param: secgroup_base_id}
- {get_param: secgroup_kube_master_id}
fixed_ips:
- subnet: {get_param: fixed_subnet}
replacement_policy: AUTO
kube_master_floating:
type: OS::Neutron::FloatingIP
properties:
floating_network: {get_param: external_network}
port_id: {get_resource: kube_master_eth0}
api_pool_member:
type: OS::Neutron::PoolMember
properties:
pool_id: {get_param: api_pool_id}
address: {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
protocol_port: {get_param: kubernetes_port}
etcd_pool_member:
type: OS::Neutron::PoolMember
properties:
pool_id: {get_param: etcd_pool_id}
address: {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
protocol_port: 2379
outputs:
kube_master_ip:
value: {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
kube_master_external_ip:
value: {get_attr: [kube_master_floating, floating_ip_address]}