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Sample template for Openstack (#24)
* Sample template for Openstack * update readme to point to the openstack sample
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‎README.md‎

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@@ -29,15 +29,18 @@ Three main pieces are
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* For more Azure information go to [CAPZ Getting Started](https://capz.sigs.k8s.io/topics/getting-started.html)
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* For more AWS information go to [CAPA Getting Started](https://cluster-api-aws.sigs.k8s.io/)
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* For more Nutanix information go to [CAPX Getting Started](https://opendocs.nutanix.com/capx/latest/getting_started/)
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* For more OpenStack information go to [CAPO Getting Started](https://cluster-api.sigs.k8s.io/user/quick-start.html)
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Cluster API k3s has been tested on AWS, Azure, AzureStackHCI and Nutanix environments.
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Cluster API k3s has been tested on AWS, Azure, AzureStackHCI, Nutanix and OpenStack environments.
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To try out the Azure flow, fork the repo and look at `samples/azure/azure-setup.sh`.
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To try out the AWS flow, fork the repo and look at `samples/aws/aws-setup.sh`.
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To try out the Nutanix flow, fork the repo and look at `samples/nutanix/nutanix-setup.sh`.
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To try out the OpenStack flow, fork the repo and look at `samples/openstack/setup.sh`.
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### Known Issues
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## Roadmap

‎samples/openstack/k3s-template.yaml‎

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apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
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kind: KThreesConfigTemplate
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metadata:
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name: ${CLUSTER_NAME}-md-0
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namespace: default
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spec:
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template:
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spec:
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---
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apiVersion: cluster.x-k8s.io/v1beta1
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kind: Cluster
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metadata:
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name: ${CLUSTER_NAME}
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namespace: default
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spec:
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clusterNetwork:
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pods:
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cidrBlocks:
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- 192.168.0.0/16
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serviceDomain: cluster.local
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controlPlaneRef:
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apiVersion: controlplane.cluster.x-k8s.io/v1beta1
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kind: KThreesControlPlane
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name: ${CLUSTER_NAME}-control-plane
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infrastructureRef:
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha5
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kind: OpenStackCluster
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name: ${CLUSTER_NAME}
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---
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apiVersion: cluster.x-k8s.io/v1beta1
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kind: MachineDeployment
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metadata:
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name: ${CLUSTER_NAME}-md-0
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namespace: default
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spec:
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clusterName: ${CLUSTER_NAME}
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replicas: ${WORKER_MACHINE_COUNT}
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selector:
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matchLabels: null
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template:
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spec:
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bootstrap:
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configRef:
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apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
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kind: KThreesConfigTemplate
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name: ${CLUSTER_NAME}-md-0
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clusterName: ${CLUSTER_NAME}
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failureDomain: ${OPENSTACK_FAILURE_DOMAIN}
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infrastructureRef:
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha5
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kind: OpenStackMachineTemplate
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name: ${CLUSTER_NAME}-md-0
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version: ${KUBERNETES_VERSION}
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---
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apiVersion: controlplane.cluster.x-k8s.io/v1beta1
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kind: KThreesControlPlane
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metadata:
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name: ${CLUSTER_NAME}-control-plane
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namespace: default
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spec:
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infrastructureTemplate:
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha5
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kind: OpenStackMachineTemplate
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name: ${CLUSTER_NAME}-control-plane
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replicas: 1
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version: ${KUBERNETES_VERSION}
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha5
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kind: OpenStackCluster
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metadata:
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name: ${CLUSTER_NAME}
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namespace: default
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spec:
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cloudName: ${OPENSTACK_CLOUD}
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dnsNameservers:
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- ${OPENSTACK_DNS_NAMESERVERS}
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externalNetworkId: ${OPENSTACK_EXTERNAL_NETWORK_ID}
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identityRef:
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kind: Secret
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name: k3s-cloud-config
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managedSecurityGroups: false
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disablePortSecurity: true
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nodeCidr: 10.6.0.0/24
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha6
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kind: OpenStackMachineTemplate
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metadata:
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name: ${CLUSTER_NAME}-control-plane
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namespace: default
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spec:
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template:
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spec:
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cloudName: ${OPENSTACK_CLOUD}
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flavor: ${OPENSTACK_CONTROL_PLANE_MACHINE_FLAVOR}
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identityRef:
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kind: Secret
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name: k3s-cloud-config
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image: ${OPENSTACK_IMAGE_NAME}
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sshKeyName: ${OPENSTACK_SSH_KEY_NAME}
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha5
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kind: OpenStackMachineTemplate
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metadata:
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name: ${CLUSTER_NAME}-md-0
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namespace: default
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spec:
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template:
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spec:
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cloudName: ${OPENSTACK_CLOUD}
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flavor: ${OPENSTACK_NODE_MACHINE_FLAVOR}
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identityRef:
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kind: Secret
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name: k3s-cloud-config
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image: ${OPENSTACK_IMAGE_NAME}
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sshKeyName: ${OPENSTACK_SSH_KEY_NAME}

‎samples/openstack/setup.sh‎

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if [ -z "${CLUSTER_NAME}" ]; then
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echo "please set CLUSTER_NAME"
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exit 0
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fi
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if [ -z "${KUBERNETES_VERSION}" ]; then
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echo "please set KUBERNETES_VERSION"
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exit 0
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fi
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## Configure your OpenStack parameters
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# https://github.com/kubernetes-sigs/cluster-api-provider-openstack/blob/main/docs/book/src/clusteropenstack/configuration.md
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if [ -z "${OPENSTACK_CLOUD}" ] || [ -z "${OPENSTACK_CONTROL_PLANE_MACHINE_FLAVOR}" ] || [ -z "${OPENSTACK_DNS_NAMESERVERS}" ] || [ -z "${OPENSTACK_EXTERNAL_NETWORK_ID}" ] || [ -z "${OPENSTACK_FAILURE_DOMAIN}" ] || [ -z "${OPENSTACK_IMAGE_NAME}" ] || [ -z "${OPENSTACK_NODE_MACHINE_FLAVOR}" ] || [ -z "${OPENSTACK_SSH_KEY_NAME}" ]; then
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echo 'Please set KUBERNETES_VERSION, OPENSTACK_CLOUD, OPENSTACK_CONTROL_PLANE_MACHINE_FLAVOR, OPENSTACK_DNS_NAMESERVERS, OPENSTACK_EXTERNAL_NETWORK_ID, OPENSTACK_FAILURE_DOMAIN, OPENSTACK_IMAGE_NAME, OPENSTACK_NODE_MACHINE_FLAVOR, OPENSTACK_SSH_KEY_NAME'
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exit 0
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fi
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## Create a secret for your OpenStack API
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if [ -z "${OS_AUTH_URL}" ] || [ -z "${OS_USERNAME}" ] || [ -z "${OS_PASSWORD}" ] || [ -z "${OS_PROJECT_NAME}" ] || [ -z "${OS_USER_DOMAIN_NAME}" ] || [ -z "${OS_PROJECT_DOMAIN_NAME}" ] || [ -z "${OS_REGION_NAME}" ]; thenn
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echo 'Please set OS_AUTH_URL, OS_USERNAME, OS_PASSWORD, OS_PROJECT_NAME, OS_USER_DOMAIN_NAME, OS_PROJECT_DOMAIN_NAME, OS_REGION_NAME'
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exit 0
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fi
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kubectl create -f - <<EOF
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apiVersion: v1
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kind: Secret
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metadata:
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name: k3s-cloud-config
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labels:
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clusterctl.cluster.x-k8s.io/move: "true"
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stringData:
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cacert: ''
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clouds.yaml: |
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clouds:
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openstack:
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auth:
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auth_url: "${OS_AUTH_URL}"
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username: "${OS_USERNAME}"
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password: "${OS_PASSWORD}"
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project_name: "${OS_PROJECT_NAME}"
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user_domain_name: "${OS_USER_DOMAIN_NAME}"
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project_domain_name: "${OS_PROJECT_DOMAIN_NAME}"
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region_name: "${OS_REGION_NAME}"
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interface: "public"
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verify: false
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identity_api_version: 3
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EOF
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## Install correctly your cluser-api-k3s provider
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export PWD="$(pwd)"
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mkdir -p ~/.cluster-api
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cat samples/clusterctl.yaml | envsubst > ~/.cluster-api/clusterctl.yaml
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clusterctl init --infrastructure openstack --bootstrap k3s --control-plane k3s
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kubectl wait --for=condition=Available --timeout=5m -n capi-system deployment/capi-controller-manager
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kubectl wait --for=condition=Available --timeout=5m -n capi-k3s-control-plane-system deployment/capi-k3s-control-plane-controller-manager
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kubectl wait --for=condition=Available --timeout=5m -n capo-system deployment/capo-controller-manager
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kubectl wait --for=condition=Available --timeout=5m -n capi-k3s-bootstrap-system deployment/capi-k3s-bootstrap-controller-manager
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clusterctl generate cluster ${CLUSTER_NAME} --from samples/openstack/k3s-template.yaml | kubectl apply -f -
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