454 lines
13 KiB
YAML
454 lines
13 KiB
YAML
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heat_template_version: 2014-10-16
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description: >
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Kubernetes cluster with one master and one or more worker nodes
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(as specified by the number_of_minions parameter, which defaults to 3).
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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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default: public
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lbaas_version:
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type: string
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description: version of OpenStack LBaaS service. not specifying means auto detect
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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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minion_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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dns_nameserver:
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type: string
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description: address of a dns nameserver reachable in your environment
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default: 8.8.8.8
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number_of_minions:
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type: number
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description: how many kubernetes minions to spawn initially
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default: 3
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max_number_of_minions:
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type: number
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description: maximum number of kubernetes minions to spawn
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default: 10
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fixed_network_cidr:
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type: string
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description: network range for fixed ip network
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default: 10.0.0.0/24
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cluster_cidr:
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type: string
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description: network range for pod IPs
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default: 10.244.0.0/16
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service_cluster_cidr:
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type: string
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description: network range for service IPs
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default: 10.10.0.0/16
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master_pod_cidr:
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type: string
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description: >-
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network range for master pod IPs (ignored, but must not conflict
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with other subnets)
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default: 10.245.1.0/24
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kubernetes_server_url:
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type: string
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description: URL of kubernetes server binary. Must be tar.gz.
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kubernetes_salt_url:
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type: string
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description: URL of kubernetes salt scripts. Must be tar.gz.
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apiserver_user:
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type: string
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description: User name used for api-server
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default: user
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apiserver_password:
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type: string
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description: Password used for api-server
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default: password
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token_kubelet:
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type: string
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description: Token used by kubelet
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default: TokenKubelet
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token_kube_proxy:
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type: string
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description: Token used by kube-proxy
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default: TokenKubeproxy
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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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os_auth_url:
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type: string
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description: OpenStack Auth URL
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default: false
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os_username:
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type: string
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description: OpenStack Username
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default: false
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os_password:
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type: string
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description: OpenStack Password
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default: false
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os_region_name:
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type: string
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description: OpenStack Region Name
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default: false
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os_tenant_name:
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type: string
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description: OpenStack Tenant Name
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default: false
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enable_proxy:
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type: string
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description: Whether or not to enable proxy settings
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default: false
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ftp_proxy:
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type: string
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description: FTP Proxy URL
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default: localhost
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http_proxy:
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type: string
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description: HTTP Proxy URL
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default: localhost
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https_proxy:
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type: string
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description: HTTPS Proxy URL
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default: localhost
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socks_proxy:
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type: string
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description: SOCKS Proxy URL
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default: localhost
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no_proxy:
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type: string
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description: Comma seperated list of domains/addresses that bypass proxying.
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default: localhost
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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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# network resources. allocate a network and router for our server.
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#
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fixed_network:
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type: OS::Neutron::Net
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fixed_subnet:
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type: OS::Neutron::Subnet
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properties:
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cidr: {get_param: fixed_network_cidr}
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network: {get_resource: fixed_network}
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dns_nameservers:
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- {get_param: dns_nameserver}
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extrouter:
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type: OS::Neutron::Router
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properties:
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external_gateway_info:
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network: {get_param: external_network}
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extrouter_inside:
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type: OS::Neutron::RouterInterface
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properties:
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router_id: {get_resource: extrouter}
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subnet: {get_resource: fixed_subnet}
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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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- remote_mode: remote_group_id
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secgroup_master:
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type: OS::Neutron::SecurityGroup
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properties:
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rules:
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- protocol: tcp # api-server
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port_range_min: 443
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port_range_max: 443
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secgroup_node:
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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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- protocol: udp
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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.yaml}
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params:
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"$KUBERNETES_SERVER_URL": {get_param: kubernetes_server_url}
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"$KUBERNETES_SALT_URL": {get_param: kubernetes_salt_url}
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"$MASTER_IP": {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
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proxy_config:
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type: OS::Heat::SoftwareConfig
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properties:
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group: ungrouped
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config:
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str_replace:
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template: {get_file: fragments/configure-proxy.sh}
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params:
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"$ENABLE_PROXY": {get_param: enable_proxy }
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"$FTP_PROXY": {get_param: ftp_proxy }
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"$HTTP_PROXY": {get_param: http_proxy }
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"$HTTPS_PROXY": {get_param: https_proxy }
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"$SOCKS_PROXY": {get_param: socks_proxy }
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"$NO_PROXY": {get_param: no_proxy }
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hostname_hack:
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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/hostname-hack.yaml}
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hostname_hack_script:
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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/hostname-hack.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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provision_network_master:
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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/provision-network-master.sh}
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deploy_kube_auth_files_master:
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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/deploy-kube-auth-files-master.yaml}
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params:
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"$apiserver_user": {get_param: apiserver_user}
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"$apiserver_password": {get_param: apiserver_password}
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"$token_kubelet": {get_param: token_kubelet}
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"$token_kube_proxy": {get_param: token_kube_proxy}
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configure_salt_master:
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type: OS::Heat::SoftwareConfig
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properties:
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group: ungrouped
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config:
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str_replace:
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template: {get_file: fragments/configure-salt.yaml}
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params:
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"$MASTER_IP": {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
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"$OS_AUTH_URL": {get_param: os_auth_url}
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"$OS_USERNAME": {get_param: os_username}
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"$OS_PASSWORD": {get_param: os_password}
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"$OS_REGION_NAME": {get_param: os_region_name}
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"$OS_TENANT_NAME": {get_param: os_tenant_name}
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"$LBAAS_VERSION": {get_param: lbaas_version}
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"$SUBNET_ID": {get_resource: fixed_subnet}
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"$FLOATING_NETWORK_ID": {get_attr: [kube_master_floating, floating_network_id]}
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"$role": "kubernetes-master"
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"$router_id": {get_resource: extrouter}
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"$cluster_cidr": {get_param: cluster_cidr}
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"$MASTER_IP_RANGE": {get_param: master_pod_cidr}
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run_salt:
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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/run-salt.sh}
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params:
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"$$wc_notify": {get_attr: [master_wait_handle, curl_cli]}
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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: write_heat_params}
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- config: {get_resource: proxy_config}
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- config: {get_resource: hostname_hack}
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- config: {get_resource: hostname_hack_script}
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- config: {get_resource: kube_user}
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- config: {get_resource: provision_network_master}
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- config: {get_resource: deploy_kube_auth_files_master}
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- config: {get_resource: configure_salt_master}
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- config: {get_resource: run_salt}
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######################################################################
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#
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# kubernetes master server.
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#
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kube_master:
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type: OS::Nova::Server
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depends_on:
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- extrouter_inside
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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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name:
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list_join: [-, [{get_param: "OS::stack_name"}, master]]
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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_resource: fixed_network}
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security_groups:
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- {get_resource: secgroup_base}
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- {get_resource: secgroup_master}
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fixed_ips:
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- subnet: {get_resource: fixed_subnet}
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allowed_address_pairs:
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- ip_address: 10.246.0.0/16
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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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######################################################################
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#
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# kubernetes minions. This is an autoscaling group that will initially
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# create <number_of_minions> minions, and will scale up to
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# <max_number_of_minions> based on CPU utilization.
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#
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kube_minions:
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type: OS::Heat::AutoScalingGroup
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depends_on:
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- extrouter_inside
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|
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- master_wait_condition
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properties:
|
||
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resource:
|
||
|
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type: kubeminion.yaml
|
||
|
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properties:
|
||
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|
kubernetes_server_url: {get_param: kubernetes_server_url}
|
||
|
|
kubernetes_salt_url: {get_param: kubernetes_salt_url}
|
||
|
|
ssh_key_name: {get_param: ssh_key_name}
|
||
|
|
server_image: {get_param: server_image}
|
||
|
|
minion_flavor: {get_param: minion_flavor}
|
||
|
|
token_kubelet: {get_param: token_kubelet}
|
||
|
|
token_kube_proxy: {get_param: token_kube_proxy}
|
||
|
|
fixed_network: {get_resource: fixed_network}
|
||
|
|
fixed_subnet: {get_resource: fixed_subnet}
|
||
|
|
cluster_cidr: {get_param: cluster_cidr}
|
||
|
|
kube_master_ip: {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
|
||
|
|
external_network: {get_param: external_network}
|
||
|
|
wait_condition_timeout: {get_param: wait_condition_timeout}
|
||
|
|
metadata: {"metering.stack": {get_param: "OS::stack_id"}}
|
||
|
|
cluster_name: {get_param: "OS::stack_name"}
|
||
|
|
secgroup_base: {get_resource: secgroup_base}
|
||
|
|
secgroup_node: {get_resource: secgroup_node}
|
||
|
|
os_auth_url: {get_param: os_auth_url}
|
||
|
|
os_username: {get_param: os_username}
|
||
|
|
os_password: {get_param: os_password}
|
||
|
|
os_region_name: {get_param: os_region_name}
|
||
|
|
os_tenant_name: {get_param: os_tenant_name}
|
||
|
|
enable_proxy: {get_param: enable_proxy }
|
||
|
|
ftp_proxy: {get_param: ftp_proxy }
|
||
|
|
http_proxy: {get_param: http_proxy }
|
||
|
|
https_proxy: {get_param: https_proxy }
|
||
|
|
socks_proxy: {get_param: socks_proxy }
|
||
|
|
no_proxy: {get_param: no_proxy }
|
||
|
|
min_size: {get_param: number_of_minions}
|
||
|
|
desired_capacity: {get_param: number_of_minions}
|
||
|
|
max_size: {get_param: max_number_of_minions}
|
||
|
|
|
||
|
|
outputs:
|
||
|
|
|
||
|
|
kube_master:
|
||
|
|
value: {get_attr: [kube_master_floating, floating_ip_address]}
|
||
|
|
description: >
|
||
|
|
This is the "public" IP address of the Kubernetes master node. Use this IP address
|
||
|
|
to log in to the Kubernetes master via ssh or to access the Kubernetes API
|
||
|
|
from outside the cluster.
|
||
|
|
|
||
|
|
kube_minions:
|
||
|
|
value: {get_attr: [kube_minions, outputs_list, kube_minion_ip]}
|
||
|
|
description: >
|
||
|
|
Here is the list of the "private" addresses of all Kubernetes worker nodes.
|
||
|
|
|
||
|
|
kube_minions_external:
|
||
|
|
value: {get_attr: [kube_minions, outputs_list, kube_minion_external_ip]}
|
||
|
|
description: >
|
||
|
|
Here is the list of the "public" addresses of all Kubernetes worker nodes.
|