Add a specific mixin environment for doing CAPI mgmt clusters (#37)

* Add a specific mixin inventory for doing CAPI mgmt clusters

* Remove unnecessary variable

* Updates to Kubernetes versions + flavor detection

* azimuth-ops pr merged to main

environments/capi-mgmt-example/ansible.cfg

@@ -0,0 +1,9 @@
+[defaults]
+# Layer the inventories for a CAPI mgmt cluster deployment
+# For a single node deployment, replace the HA inventory with the singlenode one
+inventory = ../base/inventory,../ha/inventory,../capi-mgmt/inventory,./inventory
+roles_path = ../../.ansible/roles
+collections_path = ../../.ansible/collections
+
+# Disable host key checking as hosts are dynamically replaced
+host_key_checking = False

environments/capi-mgmt-example/clouds.yaml

@@ -0,0 +1,15 @@
+# This clouds.yaml is used to connect to the OpenStack project for the environment
+# It should contain an application credential
+#
+# WARNING: This file should be encrypted
+
+clouds:
+  openstack:
+    auth:
+      auth_url: "<keystone auth url>"
+      application_credential_id: "<app credential id>"
+      application_credential_secret: "<app credential secret>"
+    region_name: "RegionOne"
+    interface: "public"
+    identity_api_version: 3
+    auth_type: "v3applicationcredential"

environments/capi-mgmt-example/inventory/group_vars/all/secrets.yml

@@ -0,0 +1,8 @@
+#####
+# This file contains environment-specific secrets for a CAPI mgmt cluster deployment
+#
+# It should be encrypted if stored in version control
+#####
+
+# The Slack webhook URL for monitoring alerts (optional)
+# alertmanager_config_slack_webhook_url: https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX

environments/capi-mgmt-example/inventory/group_vars/all/variables.yml

@@ -0,0 +1,50 @@
+#####
+# Configuration for the seed node (HA) or single node
+#####
+
+# The CIDR of the subnet that should be created
+# infra_network_cidr: 192.168.100.0/24
+
+# The ID of the external network to connect to via a router
+# By default, if there is exactly one external network then it will be used
+# infra_external_network_id: "<external network id>"
+
+# The image id of an Ubuntu 20.04 image to use for the node
+# By default, a suitable image is uploaded to the target project
+# infra_image_id: "<image id>"
+
+# The id of the flavor to use for the node
+# For a seed node for an HA cluster, 8GB RAM is fine (maybe even 4GB)
+# For a single node deployment, >= 8GB RAM is recommended
+# By default, the first flavor matching these constraints is selected
+# infra_flavor_id: "<flavor id>"
+
+# The size in GB for the data volume
+# This will hold all cluster data, including Kubernetes resources
+# infra_data_volume_size: 50
+
+#####
+# Configuration for the HA cluster
+#####
+
+# The ID of the image that will be used for the nodes of the HA cluster
+# By default, a suitable image is uploaded to the target project
+# capi_cluster_machine_image_id: "<image id>"
+
+# The Kubernetes version that will be used for the HA cluster
+# This should match the image specified image
+# capi_cluster_kubernetes_version: 1.23.8
+
+# The name of the flavor to use for control plane nodes
+# At least 2 CPUs and 8GB RAM is required
+# By default, the first flavor that matches this requirement is used
+# capi_cluster_control_plane_flavor: "<flavor name>"
+
+# The name of the flavor to use for worker nodes
+# At least 2 CPUs and 8GB RAM is required
+# By default, the first flavor that matches this requirement is used
+# capi_cluster_worker_flavor: "<flavor name>"
+
+# The number of worker nodes
+# Defaults to 3
+# capi_cluster_worker_count: 3

environments/capi-mgmt-example/inventory/hosts

@@ -0,0 +1,2 @@
+[terraform_provision]
+localhost  ansible_connection=local  ansible_python_interpreter="{{ ansible_playbook_python }}"

environments/capi-mgmt/inventory/group_vars/all.yml

@@ -0,0 +1,77 @@
+# Give the seed node a name corresponding to the environment
+infra_name: "capi-mgmt-{{ azimuth_environment }}{{ '-seed' if install_mode == 'ha' else '' }}"
+# Give the HA cluster a name corresponding to the environment
+capi_cluster_release_name: "capi-mgmt-{{ azimuth_environment }}"
+
+# The size in GB for the data volume
+# This will hold all cluster data, including Kubernetes resources
+infra_data_volume_size: 50
+
+# Pick a flavor with at least 20GB disk, 2 CPUs and 8GB RAM from the available flavors
+infra_flavor_id: >-
+  {{-
+    lookup('pipe', 'openstack flavor list -f json') |
+      from_json |
+      selectattr('Disk', '>=', 20) |
+      selectattr('VCPUs', '>=', 2) |
+      selectattr('RAM', '>=', 8192) |
+      sort(attribute = 'RAM') |
+      first |
+      default(undef(hint = 'Unable to determine a suitable flavor')) |
+      json_query('ID')
+  }}
+
+# Upload the Kubernetes image we need for the HA cluster as a private image
+# By default, we get the image from the azimuth-images version
+community_images_default:
+  kube_1_27:
+    name: "{{ community_images_azimuth_images_manifest['kubernetes-1-27-jammy'].name }}"
+    source_url: "{{ community_images_azimuth_images_manifest['kubernetes-1-27-jammy'].url }}"
+    checksum: "{{ community_images_azimuth_images_manifest['kubernetes-1-27-jammy'].checksum }}"
+    source_disk_format: "qcow2"
+    container_format: "bare"
+    kubernetes_version: "{{ community_images_azimuth_images_manifest['kubernetes-1-27-jammy'].kubernetes_version }}"
+community_images_default_visibility: private
+community_images_update_existing_visibility: false
+
+capi_cluster_kubernetes_version: >-
+  {{-
+    community_images.kube_1_27.kubernetes_version
+    if community_images is defined and 'kube_1_27' in community_images
+    else undef(hint = 'capi_cluster_kubernetes_version is required')
+  }}
+capi_cluster_machine_image_id: >-
+  {{-
+    community_images_image_ids.kube_1_27
+    if (
+      community_images_image_ids is defined and
+      'kube_1_27' in community_images_image_ids
+    )
+    else undef(hint = 'capi_cluster_machine_image_id is required')
+  }}
+
+# Flavors for the HA cluster
+capi_cluster_control_plane_flavor: >-
+  {{-
+    lookup('pipe', 'openstack flavor show -f json ' ~ infra_flavor_id) |
+      from_json |
+      json_query('name')
+  }}
+capi_cluster_worker_flavor: "{{ capi_cluster_control_plane_flavor }}"
+
+# By default, provision the cluster with a FIP on the API server load-balancer
+# so that the Kubernetes API can be reached from outside
+capi_cluster_apiserver_floating_ip: true
+
+# By default, don't worry about failure domains
+capi_cluster_control_plane_omit_failure_domain: true
+capi_cluster_worker_failure_domain: ~
+
+# We don't need the ingress controller for a CAPI mgmt cluster
+ingress_controller_enabled: no
+
+# cert-manager is always required
+certmanager_enabled: yes
+
+# Harbor is never required
+harbor_enabled: no

environments/capi-mgmt/inventory/hosts

@@ -0,0 +1,7 @@
+# This file exists so that Ansible treats the directory as an inventory
+
+[terraform_provision]
+# This group should contain the hosts that are used to provision the infrastructure
+# onto which Azimuth will be deployed
+# E.g.:
+# localhost  ansible_connection=local  ansible_python_interpreter="{{ ansible_playbook_python }}"

requirements.yml

@@ -3,7 +3,7 @@
 collections:
   - name: https://github.com/stackhpc/ansible-collection-azimuth-ops.git
     type: git
-    version: a8a088865bceedb5f35f2c3bb239e31cf07ad491
+    version: 208684f84fe632d5d14b19e79205d777096e5a12
   # For local development
   # - type: dir
   #   source: ../ansible-collection-azimuth-ops