278 lines
7.5 KiB
YAML
278 lines
7.5 KiB
YAML
heat_template_version: 2013-05-23
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description: >
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This is a nested stack that defines a single Kubernetes master, This stack is
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included by an ResourceGroup resource in the parent template
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(kubecluster.yaml).
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parameters:
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server_image:
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type: string
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description: glance image used to boot the server
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master_flavor:
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type: string
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default: m1.small
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description: flavor to use when booting the server
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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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default: lars
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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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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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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: "false"
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constraints:
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- allowed_values: ["true", "false"]
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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 master
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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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discovery_url:
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type: string
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description: >
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Discovery URL used for bootstrapping the etcd cluster.
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# The following are all generated in the parent template.
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fixed_network:
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type: string
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description: Network from which to allocate fixed addresses.
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fixed_subnet:
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type: string
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description: Subnet from which to allocate fixed addresses.
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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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api_pool_id:
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type: string
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description: ID of the load balancer pool of k8s API server.
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etcd_pool_id:
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type: string
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description: ID of the load balancer pool of etcd server.
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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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######################################################################
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#
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# security groups. we need to permit network traffic of various
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# sorts.
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#
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secgroup_base:
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type: OS::Neutron::SecurityGroup
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properties:
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rules:
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- protocol: icmp
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- protocol: tcp
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port_range_min: 22
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port_range_max: 22
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secgroup_kubernetes:
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type: OS::Neutron::SecurityGroup
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properties:
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rules:
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- protocol: tcp
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port_range_min: 7080
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port_range_max: 7080
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- protocol: tcp
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port_range_min: 8080
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port_range_max: 8080
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- protocol: tcp
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port_range_min: 2379
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port_range_max: 2379
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- protocol: tcp
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port_range_min: 2380
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port_range_max: 2380
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######################################################################
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#
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# software configs. these are components that are combined into
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# a multipart MIME user-data archive.
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#
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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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"$PORTAL_NETWORK_CIDR": {get_param: portal_network_cidr}
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"$ETCD_DISCOVERY_URL": {get_param: discovery_url}
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configure_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/configure-etcd.sh}
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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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write_flannel_config:
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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/write-flannel-config.sh}
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flannel_config_service:
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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/flannel-config.service.yaml}
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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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kube_user:
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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/kube-user.yaml}
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kube_examples:
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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/kube-examples.yaml}
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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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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: configure_etcd}
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- config: {get_resource: kube_user}
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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: write_flannel_config}
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- config: {get_resource: flannel_config_service}
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- config: {get_resource: kube_examples}
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- config: {get_resource: master_wc_notify}
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######################################################################
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#
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# a single kubernetes master.
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#
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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: master_flavor}
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key_name: {get_param: ssh_key_name}
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user_data_format: RAW
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user_data: {get_resource: kube_master_init}
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networks:
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- port: {get_resource: kube_master_eth0}
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kube_master_eth0:
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type: OS::Neutron::Port
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properties:
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network: {get_param: fixed_network}
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security_groups:
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- {get_resource: secgroup_base}
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- {get_resource: secgroup_kubernetes}
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fixed_ips:
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- subnet: {get_param: fixed_subnet}
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replacement_policy: AUTO
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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: {get_param: external_network}
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port_id: {get_resource: kube_master_eth0}
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api_pool_member:
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type: OS::Neutron::PoolMember
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properties:
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pool_id: {get_param: api_pool_id}
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address: {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
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protocol_port: 8080
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etcd_pool_member:
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type: OS::Neutron::PoolMember
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properties:
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pool_id: {get_param: etcd_pool_id}
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address: {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
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protocol_port: 2379
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outputs:
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kube_master_ip:
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value: {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
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kube_master_external_ip:
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value: {get_attr: [kube_master_floating, floating_ip_address]}
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