Support multi-node CORD install
diff --git a/roles/juju-compute-setup/tasks/main.yml b/roles/juju-compute-setup/tasks/main.yml
new file mode 100644
index 0000000..f12ce43
--- /dev/null
+++ b/roles/juju-compute-setup/tasks/main.yml
@@ -0,0 +1,62 @@
+---
+# roles/juju-compute-setup/main/tasks.yml
+
+# Code for this is in library/juju_facts.py
+- name: Obtain Juju Facts for creating machines
+ juju_facts:
+
+# For setwise operations on desired vs Juju state:
+# list of active juju_machines names: juju_machines.keys()
+# list of active juju_services names: juju_services.keys()
+
+- name: Add machines to Juju
+ command: "juju add-machine ssh:{{ item }}"
+ with_items: "{{ groups['compute'] | difference( juju_machines.keys() ) }}"
+
+# run this again, so machines will be in the juju_machines list
+- name: Obtain Juju Facts after machine creation
+ juju_facts:
+
+- name: Deploy nova-compute service if needed
+ command: "juju deploy {{ charm_versions[item] | default(item) }} --to {{ juju_machines[groups['compute'][0]]['machine_id'] }} --config={{ juju_config_path }}"
+ with_items:
+ - "nova-compute"
+ when: '"nova-compute" not in juju_services.keys()'
+
+- name: Create relations between nova-compute and other services if needed
+ command: "juju add-relation '{{ item.0.name }}' '{{ item.1 }}'"
+ register: juju_relation
+ failed_when: "juju_relation|failed and 'relation already exists' not in juju_relation.stderr"
+ with_subelements:
+ - "{{ compute_relations }}"
+ - relations
+
+# run another time
+- name: Obtain Juju Facts after deploying nova-compute
+ juju_facts:
+ when: '"nova-compute" not in juju_services.keys()'
+
+- name: Add more nova-compute units
+ command: "juju add-unit nova-compute --to {{ juju_machines[item]['machine_id'] }}"
+ with_items: "{{ groups['compute'] | difference( juju_compute_nodes.keys() ) }}"
+
+- name: Pause to let Juju settle
+ pause:
+ prompt="Waiting for Juju..."
+ seconds=20
+
+# 160*15s = 2400s = 40m max wait
+- name: Wait for nova-compute nodes to come online
+ juju_facts:
+ until: item in juju_compute_nodes.keys() and juju_compute_nodes[item]['workload-status']['message'] == "Unit is ready"
+ retries: 160
+ delay: 15
+ with_items: "{{ groups['compute'] }}"
+
+- name: verify that the nodes appear in nova
+ action: shell bash -c "source ~/admin-openrc.sh; nova hypervisor-list | grep '{{ item }}'"
+ register: result
+ until: result | success
+ retries: 5
+ delay: 5
+ with_items: "{{ groups['compute'] }}"