Add missing Ansible inventory sample file

Use correct extension in docs

Author: martyngigg

docs-devel/deployment/index.md

@@ -37,13 +37,13 @@ where _cloud\_name_ and _ssh\_key_ are described in the [prerequisites section](
 Take a note of the new node ip address and create a new inventory file:
 
 ```sh
-cp inventory-sample.ini inventory.ini
+cp inventory-sample.yml inventory.yml
 ```
 
 Fill in the new Traefik ip address and deploy Traefik:
 
 ```sh
-ansible-playbook -i inventory.ini playbooks/traefik/deploy.yml
+ansible-playbook -i inventory.yml playbooks/traefik/deploy.yml
 ```
 
 Once deployed check the Traefik dashboard is available at `https://<domain>/traefik/dashboard/.`
@@ -53,7 +53,7 @@ The passwords are in Keeper.
 
 Now we deploy the remaining services. The deployment order is important as some
 services depend on others being available. Each service has a single VM with the
-exception of Superset that hosts multiple instances one once machine.
+exception of Superset that hosts multiple instances on a single node.
 
 First create the VMs:
 

infra/ansible-docker/.gitignore

@@ -3,4 +3,4 @@ condaenv/
 .venv/
 galaxy_roles
 *.ini
-/*.yml
+inventory.yml

infra/ansible-docker/inventory-sample.yml

@@ -0,0 +1,39 @@
+all:
+  vars:
+    ansible_user: <ssh_user>
+    ansible_python_interpreter: /usr/bin/python3
+    ansible_ssh_common_args: '-o ProxyCommand="ssh -W %h:%p -q ubuntu@<floating_ip>"'
+
+traefik:
+  hosts:
+    traefik-1:
+      ansible_host: <floating_ip>
+
+keycloak:
+  hosts:
+    keycloak-1:
+      ansible_host: <keycloak_ip>
+
+lakekeeper:
+  hosts:
+    lakekeeper-1:
+      ansible_host: <lakekeeper_ip>
+
+trino:
+  hosts:
+    trino-1:
+      ansible_host: <trino_ip>
+
+elt:
+  hosts:
+    elt-1:
+      ansible_host: <elt_ip>
+
+superset_accelerator:
+  hosts:
+    superset-accelerator-1:
+      ansible_host: <superset_farm_ip>
+
+superset_farm:
+  children:
+    superset_accelerator: