CMS Openstack: Basic Openstack cloud scenario

Very basic Openstack test scenario that brings up three compute nodes and
provisions one Project with internal network and external connectivity.

Signed-off-by: Martin Kalcok <[email protected]>

ovn-tester/cms/openstack/tests/base_openstack.py

@@ -0,0 +1,28 @@
+import logging
+
+from ovn_ext_cmd import ExtCmd
+from ovn_context import Context
+from ovn_workload import ChassisNode
+
+from cms.openstack import OpenStackCloud
+
+log = logging.getLogger(__name__)
+
+
+class BaseOpenstack(ExtCmd):
+    def __init__(self, config, central_node, worker_nodes, global_cfg):
+        super().__init__(config, central_node, worker_nodes)
+
+    def run(self, ovn: OpenStackCloud, global_cfg):
+        # create ovn topology
+        worker_count = len(ovn.worker_nodes)
+        with Context(ovn, "base_cluster_bringup", worker_count) as ctx:
+            for i in ctx:
+                worker_node: ChassisNode = ovn.worker_nodes[i]
+                log.info(
+                    f"Provisioning {worker_node.__class__.__name__} "
+                    f"({i+1}/{worker_count})"
+                )
+                worker_node.provision(ovn)
+
+            _ = ovn.new_project(gw_nodes=ovn.worker_nodes)

test-scenarios/openstack.yml

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+global:
+  log_cmds: false
+  cms_name: openstack
+
+cluster:
+  clustered_db: true
+  log_txns_db: true
+  n_workers: 3
+
+base_openstack:
+  foo: bar