221 lines
6.2 KiB
YAML
221 lines
6.2 KiB
YAML
heat_template_version: 2013-05-23
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description: >
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This template will boot a Kubernetes cluster with one or more
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minions (as specified by the number_of_minions parameter, which
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defaults to 1).
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parameters:
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ssh_key_name:
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type: string
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description: name of ssh key to be provisioned on our server
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external_network:
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type: string
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description: uuid/name of a network to use for floating ip addresses
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fixed_network:
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type: string
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description: name of private network into which servers get deployed
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server_image:
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type: string
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default: fedora-k8s
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description: glance image used to boot the server
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server_flavor:
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type: string
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default: baremetal
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description: flavor to use when booting the server
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number_of_minions:
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type: string
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description: how many kubernetes minions to spawn
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default: 1
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portal_network_cidr:
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type: string
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description: >
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address range used by kubernetes for service portals
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default: 10.254.0.0/16
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flannel_network_cidr:
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type: string
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description: network range for flannel overlay network
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default: 10.100.0.0/16
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flannel_network_subnetlen:
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type: string
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description: size of subnet assigned to each minion
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default: 24
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flannel_use_vxlan:
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type: string
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description: >
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if true use the vxlan backend, otherwise use the default
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udp backend
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default: "false"
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constraints:
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- allowed_values: ["true", "false"]
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kube_allow_priv:
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type: string
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description: >
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whether or not kubernetes should permit privileged containers.
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default: "true"
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constraints:
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- allowed_values: ["true", "false"]
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minions_to_remove:
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type: comma_delimited_list
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description: >
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List of minions to be removed when doing an update. Individual minion may
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be referenced several ways: (1) The resource name (e.g. ['1', '3']),
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(2) The private IP address ['10.0.0.4', '10.0.0.6']. Note: the list should
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be empty when doing an create.
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default: []
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wait_condition_timeout:
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type: number
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description : >
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timeout for the Wait Conditions
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default: 6000
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resources:
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master_wait_handle:
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type: OS::Heat::WaitConditionHandle
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master_wait_condition:
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type: OS::Heat::WaitCondition
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depends_on: kube_master
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properties:
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handle: {get_resource: master_wait_handle}
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timeout: {get_param: wait_condition_timeout}
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master_wc_notify:
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type: OS::Heat::SoftwareConfig
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properties:
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group: ungrouped
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config:
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str_replace:
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template: |
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#!/bin/bash -v
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wc_notify --data-binary '{"status": "SUCCESS"}'
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params:
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wc_notify: {get_attr: [master_wait_handle, curl_cli]}
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######################################################################
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#
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# software configs
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#
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disable_selinux:
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type: OS::Heat::SoftwareConfig
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properties:
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group: ungrouped
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config: {get_file: fragments/disable-selinux.sh}
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kube_master_init:
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type: OS::Heat::MultipartMime
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properties:
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parts:
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- config: {get_resource: disable_selinux}
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- config: {get_resource: write_heat_params}
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- config: {get_resource: enable_etcd}
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- config: {get_resource: configure_kubernetes}
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- config: {get_resource: enable_services}
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- config: {get_resource: configure_flannel}
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- config: {get_resource: master_wc_notify}
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write_heat_params:
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type: OS::Heat::SoftwareConfig
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properties:
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group: ungrouped
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config:
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str_replace:
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template: {get_file: fragments/write-heat-params-master.yaml}
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params:
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"$KUBE_ALLOW_PRIV": {get_param: kube_allow_priv}
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"$FLANNEL_NETWORK_CIDR": {get_param: flannel_network_cidr}
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"$FLANNEL_NETWORK_SUBNETLEN": {get_param: flannel_network_subnetlen}
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"$FLANNEL_USE_VXLAN": {get_param: flannel_use_vxlan}
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"$PORTAL_NETWORK_CIDR": {get_param: portal_network_cidr}
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configure_kubernetes:
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type: OS::Heat::SoftwareConfig
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properties:
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group: ungrouped
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config: {get_file: fragments/configure-kubernetes-master.sh}
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enable_etcd:
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type: OS::Heat::SoftwareConfig
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properties:
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group: ungrouped
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config: {get_file: fragments/enable-etcd.sh}
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configure_flannel:
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type: OS::Heat::SoftwareConfig
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properties:
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group: ungrouped
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config: {get_file: fragments/configure-flannel.sh}
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enable_services:
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type: OS::Heat::SoftwareConfig
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properties:
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group: ungrouped
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config: {get_file: fragments/enable-services-master.sh}
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######################################################################
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#
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# databases server. this sets up a Kubernetes server
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#
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kube_master_floating:
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type: OS::Neutron::FloatingIP
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properties:
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floating_network:
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get_param: external_network
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port_id:
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get_attr: [kube_master, addresses, {get_param: fixed_network}, 0, port]
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kube_master:
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type: OS::Nova::Server
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properties:
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image: {get_param: server_image}
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flavor: {get_param: server_flavor}
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key_name: {get_param: ssh_key_name}
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networks:
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- network: {get_param: fixed_network}
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user_data_format: RAW
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user_data: {get_resource: kube_master_init}
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kube_minions:
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type: OS::Heat::ResourceGroup
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depends_on:
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- kube_master
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- master_wait_condition
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properties:
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count: {get_param: number_of_minions}
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removal_policies: [{resource_list: {get_param: minions_to_remove}}]
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resource_def:
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type: kubenode-fedora-ironic.yaml
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properties:
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ssh_key_name: {get_param: ssh_key_name}
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server_image: {get_param: server_image}
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server_flavor: {get_param: server_flavor}
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fixed_network: {get_param: fixed_network}
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kube_master_ip: {get_attr: [kube_master, networks, {get_param: fixed_network}, 0]}
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external_network: {get_param: external_network}
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kube_allow_priv: {get_param: kube_allow_priv}
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outputs:
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kube_master:
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value: {get_attr: [kube_master_floating, floating_ip_address]}
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kube_minions:
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value: {get_attr: [kube_minions, kube_node_ip]}
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kube_minions_external:
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value: {get_attr: [kube_minions, kube_node_external_ip]}
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