360 lines
9.9 KiB
YAML
360 lines
9.9 KiB
YAML
heat_template_version: 2014-10-16
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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: number
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description: size of subnet assigned to each master
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default: 24
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flannel_network_subnet_min:
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type: string
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description: minimum subnet
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default: 10.100.50.0
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flannel_network_subnet_max:
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type: string
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description: maximum subnet
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default: 10.100.199.0
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flannel_backend:
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type: string
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description: >
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specify the backend for flannel, default udp backend
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constraints:
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- allowed_values: ["udp", "vxlan", "host-gw"]
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system_pods_initial_delay:
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type: number
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description: >
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health check, time to wait for system pods (podmaster, scheduler) to boot
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(in seconds)
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default: 30
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system_pods_timeout:
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type: number
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description: >
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health check, timeout for system pods (podmaster, scheduler) to answer.
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(in seconds)
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default: 5
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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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tls_disabled:
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type: boolean
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description: whether or not to enable TLS
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default: False
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kubernetes_port:
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type: number
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description: >
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The port which are used by kube-apiserver to provide Kubernetes
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service.
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default: 6443
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kube_version:
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type: string
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description: version of kubernetes used for kubernetes cluster
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cluster_uuid:
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type: string
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description: identifier for the cluster this template is generating
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magnum_url:
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type: string
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description: endpoint to retrieve TLS certs from
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api_public_address:
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type: string
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description: Public IP address of the Kubernetes master server.
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default: ""
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api_private_address:
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type: string
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description: Private IP address of the Kubernetes master server.
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default: ""
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http_proxy:
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type: string
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description: http proxy address for docker
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https_proxy:
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type: string
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description: https proxy address for docker
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no_proxy:
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type: string
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description: no proxies for docker
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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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network_driver:
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type: string
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description: network driver to use for instantiating container networks
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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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secgroup_base_id:
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type: string
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description: ID of the security group for base.
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secgroup_kube_master_id:
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type: string
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description: ID of the security group for kubernetes master.
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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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auth_url:
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type: string
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description: >
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url for kubernetes to authenticate
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username:
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type: string
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description: >
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user account
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password:
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type: string
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description: >
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user password
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tenant_name:
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type: string
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description: >
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tenant name
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kube_master_id:
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type: string
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description: ID of for kubernetes master.
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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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# 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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"$KUBE_NODE_PUBLIC_IP": {get_attr: [kube_master_floating, floating_ip_address]}
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"$KUBE_NODE_IP": {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
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"$KUBE_API_PORT": {get_param: kubernetes_port}
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"$KUBE_ALLOW_PRIV": {get_param: kube_allow_priv}
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"$NETWORK_DRIVER": {get_param: network_driver}
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"$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_NETWORK_SUBNET_MIN": {get_param: flannel_network_subnet_min}
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"$FLANNEL_NETWORK_SUBNET_MAX": {get_param: flannel_network_subnet_max}
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"$FLANNEL_BACKEND": {get_param: flannel_backend}
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"$SYSTEM_PODS_INITIAL_DELAY": {get_param: system_pods_initial_delay}
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"$SYSTEM_PODS_TIMEOUT": {get_param: system_pods_timeout}
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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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"$AUTH_URL": {get_param: auth_url}
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"$USERNAME": {get_param: username}
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"$PASSWORD": {get_param: password}
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"$TENANT_NAME": {get_param: tenant_name}
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"$CLUSTER_SUBNET": {get_param: fixed_subnet}
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"$TLS_DISABLED": {get_param: tls_disabled}
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"$KUBE_VERSION": {get_param: kube_version}
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"$CLUSTER_UUID": {get_param: cluster_uuid}
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"$MAGNUM_URL": {get_param: magnum_url}
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"$HTTP_PROXY": {get_param: http_proxy}
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"$HTTPS_PROXY": {get_param: https_proxy}
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"$NO_PROXY": {get_param: no_proxy}
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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_flanneld:
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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-flanneld-master.sh}
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create_kubernetes_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/create-kubernetes-user.yaml}
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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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add_proxy:
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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/add-proxy.sh}
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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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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: configure_etcd}
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- config: {get_resource: configure_flanneld}
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- config: {get_resource: create_kubernetes_user}
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- config: {get_resource: configure_kubernetes}
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- config: {get_resource: add_proxy}
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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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name: {get_param: kube_master_id}
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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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config_drive: true
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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_param: secgroup_base_id}
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- {get_param: secgroup_kube_master_id}
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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: Magnum::Optional::KubeMaster::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: Magnum::Optional::Neutron::LBaaS::PoolMember
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properties:
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pool: {get_param: api_pool_id}
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address: {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
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subnet: { get_param: fixed_subnet }
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protocol_port: {get_param: kubernetes_port}
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etcd_pool_member:
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type: Magnum::Optional::Neutron::LBaaS::PoolMember
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properties:
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pool: {get_param: etcd_pool_id}
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address: {get_attr: [kube_master_eth0, fixed_ips, 0, ip_address]}
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subnet: { get_param: fixed_subnet }
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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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description: >
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This is the "private" IP address of the Kubernetes master node.
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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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description: >
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This is the "public" IP address of the Kubernetes master node.
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