371 lines
10 KiB
YAML
371 lines
10 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 minion, This stack is
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included by an AutoScalingGroup 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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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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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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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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docker_volume_size:
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type: number
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description: >
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size of a cinder volume to allocate to docker for container/image
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storage
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default: 25
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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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user_token:
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type: string
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description: token used for communicating back to Magnum for TLS certs
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bay_uuid:
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type: string
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description: identifier for the bay 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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# The following are all generated in the parent template.
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kube_master_ip:
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type: string
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description: IP address of the Kubernetes master server.
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etcd_server_ip:
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type: string
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description: IP address of the Etcd server.
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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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registry_enabled:
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type: boolean
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description: >
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Indicates whether the docker registry is enabled.
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default: false
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registry_port:
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type: number
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description: port of registry service
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default: 5000
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registry_username:
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type: string
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description: username used by docker registry
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default: "username"
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registry_password:
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type: string
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description: password used by docker registry
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default: "password"
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registry_domain:
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type: string
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description: domain used by docker registry
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default: "domain"
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registry_trust_id:
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type: string
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description: trust_id used by docker registry
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default: "trust_id"
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registry_auth_url:
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type: string
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description: auth_url for keystone
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default: "auth_url"
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registry_region:
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type: string
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description: region of swift service
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default: "region"
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registry_container:
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type: string
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description: >
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name of swift container which docker registry stores images in
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default: "container"
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registry_insecure:
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type: boolean
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description: >
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indicates whether to skip TLS verification between registry and backend storage
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default: true
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registry_chunksize:
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type: number
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description: >
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size fo the data segments for the swift dynamic large objects
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default: 5242880
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resources:
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minion_wait_handle:
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type: OS::Heat::WaitConditionHandle
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minion_wait_condition:
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type: OS::Heat::WaitCondition
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depends_on: kube-minion
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properties:
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handle: {get_resource: minion_wait_handle}
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timeout: {get_param: wait_condition_timeout}
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secgroup_all_open:
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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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$KUBE_ALLOW_PRIV: {get_param: kube_allow_priv}
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$KUBE_MASTER_IP: {get_param: kube_master_ip}
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$KUBE_API_PORT: {get_param: kubernetes_port}
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$ETCD_SERVER_IP: {get_param: etcd_server_ip}
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$DOCKER_VOLUME: {get_resource: docker_volume}
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$NETWORK_DRIVER: {get_param: network_driver}
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$REGISTRY_ENABLED: {get_param: registry_enabled}
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$REGISTRY_PORT: {get_param: registry_port}
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$REGISTRY_AUTH_URL: {get_param: registry_auth_url}
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$REGISTRY_REGION: {get_param: registry_region}
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$REGISTRY_USERNAME: {get_param: registry_username}
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$REGISTRY_PASSWORD: {get_param: registry_password}
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$REGISTRY_DOMAIN: {get_param: registry_domain}
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$REGISTRY_TRUST_ID: {get_param: registry_trust_id}
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$REGISTRY_CONTAINER: {get_param: registry_container}
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$REGISTRY_INSECURE: {get_param: registry_insecure}
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$REGISTRY_CHUNKSIZE: {get_param: registry_chunksize}
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$TLS_DISABLED: {get_param: tls_disabled}
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$BAY_UUID: {get_param: bay_uuid}
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$USER_TOKEN: {get_param: user_token}
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$MAGNUM_URL: {get_param: magnum_url}
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write_kubeconfig:
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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-kubeconfig.yaml}
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make_cert:
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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/make-cert-client.sh}
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configure_docker_storage:
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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-docker-storage.sh}
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configure_docker_registry:
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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-docker-registry.sh}
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kube_register:
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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-register.yaml}
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configure_kubernetes_minion:
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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-minion.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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network_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/network-service.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-minion.sh}
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enable_docker_registry:
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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-docker-registry.sh}
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minion_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: [minion_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_minion_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: kube_user}
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- config: {get_resource: write_kubeconfig}
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- config: {get_resource: make_cert}
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- config: {get_resource: kube_examples}
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- config: {get_resource: configure_docker_storage}
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- config: {get_resource: kube_register}
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- config: {get_resource: configure_kubernetes_minion}
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- config: {get_resource: network_service}
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- config: {get_resource: enable_services}
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- config: {get_resource: minion_wc_notify}
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######################################################################
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#
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# a single kubernetes minion.
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# Important: the name for the heat resource kube-minion below must
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# not contain "_" (underscore) because it will be used in the
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# hostname. Because DNS domain name does not allow "_", the "_"
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# will be converted to a "-" and this will make the hostname different
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# from the Nova instance name. This in turn will break the load
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# balancer feature in Kubernetes.
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#
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kube-minion:
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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: minion_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_minion_init}
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networks:
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- port: {get_resource: kube_minion_eth0}
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kube_minion_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_all_open
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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_minion_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_minion_eth0}
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######################################################################
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#
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# docker storage. This allocates a cinder volume and attaches it
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# to the minion.
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#
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docker_volume:
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type: OS::Cinder::Volume
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properties:
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size: {get_param: docker_volume_size}
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docker_volume_attach:
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type: OS::Cinder::VolumeAttachment
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properties:
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instance_uuid: {get_resource: kube-minion}
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volume_id: {get_resource: docker_volume}
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mountpoint: /dev/vdb
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outputs:
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kube_minion_ip:
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value: {get_attr: [kube_minion_eth0, fixed_ips, 0, ip_address]}
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kube_minion_external_ip:
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value: {get_attr: [kube_minion_floating, floating_ip_address]}
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OS::stack_id:
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value: {get_attr: [kube_minion_eth0, fixed_ips, 0, ip_address]}
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