635 lines
20 KiB
YAML
635 lines
20 KiB
YAML
heat_template_version: queens
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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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name:
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type: string
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description: server name
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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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description: flavor to use when booting the server
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nodegroup_role:
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type: string
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description: the role of the nodegroup
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nodegroup_name:
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type: string
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description: the name of the nodegroup where the node belongs
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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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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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constraints:
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- allowed_values: ["true", "false"]
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boot_volume_size:
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type: number
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description: >
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size of the cinder boot volume
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boot_volume_type:
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type: string
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description: >
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type of the cinder boot volume
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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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docker_volume_type:
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type: string
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description: >
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type of a cinder volume to allocate to docker for container/image
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storage
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docker_storage_driver:
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type: string
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description: docker storage driver name
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default: "devicemapper"
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cgroup_driver:
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type: string
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description: >
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cgroup driver name that kubelet should use, ideally the same as
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the docker cgroup driver.
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default: "cgroupfs"
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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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verify_ca:
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type: boolean
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description: whether or not to validate certificate authority
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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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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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prometheus_monitoring:
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type: boolean
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description: >
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whether or not to have the node-exporter running on the node
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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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flannel_network_cidr:
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type: string
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description: network range for flannel overlay network
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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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registry_port:
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type: number
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description: port of registry service
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swift_region:
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type: string
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description: region of swift service
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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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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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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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secgroup_kube_minion_id:
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type: string
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description: ID of the security group for kubernetes minion.
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volume_driver:
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type: string
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description: volume driver to use for container storage
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region_name:
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type: string
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description: A logically separate section of the cluster
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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, not set in current implementation, only used to
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fill in for Kubernetes config file
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hidden: true
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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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hyperkube_prefix:
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type: string
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description: prefix to use for hyperkube images
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kube_tag:
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type: string
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description: tag of the k8s containers used to provision the kubernetes cluster
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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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trustee_domain_id:
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type: string
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description: domain id of the trustee
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trustee_user_id:
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type: string
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description: user id of the trustee
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trustee_username:
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type: string
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description: username of the trustee
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trustee_password:
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type: string
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description: password of the trustee
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hidden: true
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trust_id:
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type: string
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description: id of the trust which is used by the trustee
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hidden: true
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auth_url:
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type: string
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description: >
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url for keystone, must be v2 since k8s backend only support v2
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at this point
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insecure_registry_url:
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type: string
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description: insecure registry url
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container_infra_prefix:
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type: string
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description: >
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prefix of container images used in the cluster, kubernetes components,
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kubernetes-dashboard, coredns etc
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dns_service_ip:
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type: string
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description: >
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address used by Kubernetes DNS service
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dns_cluster_domain:
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type: string
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description: >
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domain name for cluster DNS
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openstack_ca:
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type: string
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description: The OpenStack CA certificate to install on the node.
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nodes_server_group_id:
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type: string
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description: ID of the server group for kubernetes cluster nodes.
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availability_zone:
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type: string
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description: >
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availability zone for master and nodes
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default: ""
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pods_network_cidr:
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type: string
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description: Configure the IP pool/range from which pod IPs will be chosen
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kubelet_options:
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type: string
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description: >
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additional options to be passed to the kubelet
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kubeproxy_options:
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type: string
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description: >
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additional options to be passed to the kube proxy
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octavia_enabled:
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type: boolean
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description: >
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whether or not to use Octavia for LoadBalancer type service.
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default: False
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cloud_provider_enabled:
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type: boolean
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description: Enable or disable the openstack kubernetes cloud provider
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heat_container_agent_tag:
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type: string
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description: tag of the heat_container_agent system container
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auto_healing_enabled:
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type: boolean
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description: >
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true if the auto healing feature should be enabled
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auto_healing_controller:
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type: string
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description: >
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The service to be deployed for auto-healing.
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default: "draino"
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npd_enabled:
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type: boolean
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description: >
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true if the npd service should be launched
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default:
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true
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ostree_remote:
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type: string
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description: The ostree remote branch to upgrade
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default: ''
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ostree_commit:
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type: string
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description: The ostree commit to deploy
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default: ''
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use_podman:
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type: boolean
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description: >
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if true, run system containers for kubernetes, etcd and heat-agent
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selinux_mode:
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type: string
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description: >
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Choose SELinux mode
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container_runtime:
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type: string
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description: The container runtime to install
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containerd_version:
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type: string
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description: The containerd version to download from https://storage.googleapis.com/cri-containerd-release/
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containerd_tarball_url:
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type: string
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description: Url location of the containerd tarball.
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containerd_tarball_sha256:
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type: string
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description: sha256 of the target containerd tarball.
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conditions:
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image_based: {equals: [{get_param: boot_volume_size}, 0]}
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volume_based:
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not:
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equals:
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- get_param: boot_volume_size
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- 0
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resources:
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agent_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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list_join:
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- "\n"
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-
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- str_replace:
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template: {get_file: ../../common/templates/fragments/atomic-install-openstack-ca.sh}
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params:
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$OPENSTACK_CA: {get_param: openstack_ca}
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- str_replace:
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template: {get_file: ../../common/templates/kubernetes/fragments/start-container-agent.sh}
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params:
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$CONTAINER_INFRA_PREFIX: {get_param: container_infra_prefix}
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$HEAT_CONTAINER_AGENT_TAG: {get_param: heat_container_agent_tag}
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$USE_PODMAN: {get_param: use_podman}
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$HTTP_PROXY: {get_param: http_proxy}
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$HTTPS_PROXY: {get_param: https_proxy}
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$NO_PROXY: {get_param: no_proxy}
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- str_replace:
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template: {get_file: ../../common/templates/kubernetes/fragments/disable-selinux.sh}
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params:
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$SELINUX_MODE: {get_param: selinux_mode}
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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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node_config:
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type: OS::Heat::SoftwareConfig
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properties:
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group: script
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config:
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list_join:
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- "\n"
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-
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- "#!/bin/bash"
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- str_replace:
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template: {get_file: ../../common/templates/kubernetes/fragments/write-heat-params.sh}
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params:
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$INSTANCE_NAME: {get_param: name}
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$PROMETHEUS_MONITORING: {get_param: prometheus_monitoring}
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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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$KUBE_API_PORT: {get_param: kubernetes_port}
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$KUBE_NODE_PUBLIC_IP: {get_attr: [kube_minion_floating, floating_ip_address]}
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$KUBE_NODE_IP: {get_attr: [kube_minion_eth0, fixed_ips, 0, ip_address]}
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$ETCD_SERVER_IP: {get_param: etcd_server_ip}
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$DOCKER_VOLUME: {get_resource: docker_volume}
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$DOCKER_VOLUME_SIZE: {get_param: docker_volume_size}
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$DOCKER_STORAGE_DRIVER: {get_param: docker_storage_driver}
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$CGROUP_DRIVER: {get_param: cgroup_driver}
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$NETWORK_DRIVER: {get_param: network_driver}
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$REGISTRY_ENABLED: {get_param: registry_enabled}
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$REGISTRY_PORT: {get_param: registry_port}
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$SWIFT_REGION: {get_param: swift_region}
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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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$VERIFY_CA: {get_param: verify_ca}
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$CLUSTER_UUID: {get_param: cluster_uuid}
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$MAGNUM_URL: {get_param: magnum_url}
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$USERNAME: {get_param: username}
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$PASSWORD: {get_param: password}
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$VOLUME_DRIVER: {get_param: volume_driver}
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$REGION_NAME: {get_param: region_name}
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$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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$HYPERKUBE_PREFIX: {get_param: hyperkube_prefix}
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$KUBE_TAG: {get_param: kube_tag}
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$FLANNEL_NETWORK_CIDR: {get_param: flannel_network_cidr}
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$PODS_NETWORK_CIDR: {get_param: pods_network_cidr}
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$KUBE_VERSION: {get_param: kube_version}
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$TRUSTEE_USER_ID: {get_param: trustee_user_id}
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$TRUSTEE_PASSWORD: {get_param: trustee_password}
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$TRUST_ID: {get_param: trust_id}
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$AUTH_URL: {get_param: auth_url}
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$CLOUD_PROVIDER_ENABLED: {get_param: cloud_provider_enabled}
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$INSECURE_REGISTRY_URL: {get_param: insecure_registry_url}
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$CONTAINER_INFRA_PREFIX: {get_param: container_infra_prefix}
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$DNS_SERVICE_IP: {get_param: dns_service_ip}
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$DNS_CLUSTER_DOMAIN: {get_param: dns_cluster_domain}
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$KUBELET_OPTIONS: {get_param: kubelet_options}
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$KUBEPROXY_OPTIONS: {get_param: kubeproxy_options}
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$OCTAVIA_ENABLED: {get_param: octavia_enabled}
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$HEAT_CONTAINER_AGENT_TAG: {get_param: heat_container_agent_tag}
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$AUTO_HEALING_ENABLED: {get_param: auto_healing_enabled}
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$AUTO_HEALING_CONTROLLER: {get_param: auto_healing_controller}
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$NPD_ENABLED: {get_param: npd_enabled}
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$NODEGROUP_ROLE: {get_param: nodegroup_role}
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$NODEGROUP_NAME: {get_param: nodegroup_name}
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$USE_PODMAN: {get_param: use_podman}
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$CONTAINER_RUNTIME: {get_param: container_runtime}
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$CONTAINERD_VERSION: {get_param: containerd_version}
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$CONTAINERD_TARBALL_URL: {get_param: containerd_tarball_url}
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$CONTAINERD_TARBALL_SHA256: {get_param: containerd_tarball_sha256}
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- get_file: ../../common/templates/kubernetes/fragments/install-cri.sh
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- get_file: ../../common/templates/kubernetes/fragments/install-clients.sh
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- get_file: ../../common/templates/kubernetes/fragments/write-kube-os-config.sh
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- get_file: ../../common/templates/kubernetes/fragments/make-cert-client.sh
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- get_file: ../../common/templates/fragments/configure-docker-registry.sh
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- get_file: ../../common/templates/kubernetes/fragments/configure-kubernetes-minion.sh
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- get_file: ../../common/templates/kubernetes/fragments/add-proxy.sh
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- str_replace:
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template: {get_file: ../../common/templates/fragments/configure-docker-storage.sh}
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params:
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$configure_docker_storage_driver: {get_file: ../../common/templates/fragments/configure_docker_storage_driver_atomic.sh}
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- get_file: ../../common/templates/kubernetes/fragments/enable-services-minion.sh
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- get_file: ../../common/templates/fragments/enable-docker-registry.sh
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node_config_deployment:
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type: OS::Heat::SoftwareDeployment
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properties:
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signal_transport: HEAT_SIGNAL
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config: {get_resource: node_config}
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server: {if: ["volume_based", {get_resource: kube-minion-bfv}, {get_resource: kube-minion}]}
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actions: ['CREATE']
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######################################################################
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#
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# a single kubernetes minion.
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#
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kube_node_volume:
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type: OS::Cinder::Volume
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condition: volume_based
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properties:
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image: {get_param: server_image}
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size: {get_param: boot_volume_size}
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volume_type: {get_param: boot_volume_type}
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availability_zone: {get_param: availability_zone}
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# do NOT use "_" (underscore) in the Nova server name
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# it creates a mismatch between the generated Nova name and its hostname
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# which can lead to weird problems
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kube-minion:
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condition: image_based
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type: OS::Nova::Server
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properties:
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name: {get_param: name}
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flavor: {get_param: minion_flavor}
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image: {get_param: server_image}
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key_name: {get_param: ssh_key_name}
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user_data: {get_resource: agent_config}
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user_data_format: SOFTWARE_CONFIG
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software_config_transport: POLL_SERVER_HEAT
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networks:
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- port: {get_resource: kube_minion_eth0}
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scheduler_hints: { group: { get_param: nodes_server_group_id }}
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availability_zone: {get_param: availability_zone}
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kube-minion-bfv:
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condition: volume_based
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type: OS::Nova::Server
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properties:
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name: {get_param: name}
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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: {get_resource: agent_config}
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user_data_format: SOFTWARE_CONFIG
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software_config_transport: POLL_SERVER_HEAT
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networks:
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- port: {get_resource: kube_minion_eth0}
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scheduler_hints: { group: { get_param: nodes_server_group_id }}
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availability_zone: {get_param: availability_zone}
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block_device_mapping_v2:
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- boot_index: 0
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volume_id: {get_resource: kube_node_volume}
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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:
|
|
- get_param: secgroup_kube_minion_id
|
|
fixed_ips:
|
|
- subnet: {get_param: fixed_subnet}
|
|
allowed_address_pairs:
|
|
- ip_address: {get_param: pods_network_cidr}
|
|
replacement_policy: AUTO
|
|
|
|
kube_minion_floating:
|
|
type: Magnum::Optional::KubeMinion::Neutron::FloatingIP
|
|
properties:
|
|
floating_network: {get_param: external_network}
|
|
port_id: {get_resource: kube_minion_eth0}
|
|
depends_on: kube-minion
|
|
|
|
######################################################################
|
|
#
|
|
# docker storage. This allocates a cinder volume and attaches it
|
|
# to the minion.
|
|
#
|
|
|
|
docker_volume:
|
|
type: Magnum::Optional::Cinder::Volume
|
|
properties:
|
|
size: {get_param: docker_volume_size}
|
|
volume_type: {get_param: docker_volume_type}
|
|
availability_zone: {get_param: availability_zone}
|
|
|
|
docker_volume_attach:
|
|
type: Magnum::Optional::Cinder::VolumeAttachment
|
|
properties:
|
|
instance_uuid: {if: ["volume_based", {get_resource: kube-minion-bfv}, {get_resource: kube-minion}]}
|
|
volume_id: {get_resource: docker_volume}
|
|
mountpoint: /dev/vdb
|
|
|
|
upgrade_kubernetes:
|
|
type: OS::Heat::SoftwareConfig
|
|
properties:
|
|
group: script
|
|
inputs:
|
|
- name: kube_tag_input
|
|
- name: ostree_remote_input
|
|
- name: ostree_commit_input
|
|
config:
|
|
list_join:
|
|
- "\n"
|
|
-
|
|
- "#!/bin/bash"
|
|
- get_file: ../../common/templates/kubernetes/fragments/upgrade-kubernetes.sh
|
|
|
|
upgrade_kubernetes_deployment:
|
|
type: OS::Heat::SoftwareDeployment
|
|
properties:
|
|
signal_transport: HEAT_SIGNAL
|
|
config: {get_resource: upgrade_kubernetes}
|
|
server: {if: ["volume_based", {get_resource: kube-minion-bfv}, {get_resource: kube-minion}]}
|
|
actions: ['UPDATE']
|
|
input_values:
|
|
kube_tag_input: {get_param: kube_tag}
|
|
ostree_remote_input: {get_param: ostree_remote}
|
|
ostree_commit_input: {get_param: ostree_commit}
|
|
|
|
outputs:
|
|
|
|
kube_minion_ip:
|
|
value: {get_attr: [kube_minion_eth0, fixed_ips, 0, ip_address]}
|
|
description: >
|
|
This is the "public" IP address of the Kubernetes minion node.
|
|
|
|
kube_minion_external_ip:
|
|
value: {get_attr: [kube_minion_floating, floating_ip_address]}
|
|
description: >
|
|
This is the "public" IP address of the Kubernetes minion node.
|
|
|
|
######################################################################
|
|
#
|
|
# NOTE(flwang): Returning the minion node server ID here so that
|
|
# consumer can send API request to Heat to remove a particular
|
|
# node with removal_policies. Otherwise, the consumer (e.g. AutoScaler)
|
|
# has to use index to do the remove which is confusing out of the
|
|
# OpenStack world.
|
|
# https://storyboard.openstack.org/#!/story/2005054
|
|
#
|
|
######################################################################
|
|
|
|
OS::stack_id:
|
|
value: {if: ["volume_based", {get_resource: kube-minion-bfv}, {get_resource: kube-minion}]}
|
|
description: >
|
|
This is the Nova server id of the node.
|