def setUp(self):
self.metrics = metrics_lib.NoMetrics("paasta.deployd")
def setup_kube_deployments(
kube_client: KubeClient,
service_instances: Sequence[str],
cluster: str,
rate_limit: int = 0,
soa_dir: str = DEFAULT_SOA_DIR,
metrics_interface: metrics_lib.BaseMetrics = metrics_lib.NoMetrics(
"paasta"),
) -> bool:
if service_instances:
existing_kube_deployments = set(list_all_deployments(kube_client))
existing_apps = {(deployment.service, deployment.instance)
for deployment in existing_kube_deployments}
service_instances_with_valid_names = [
decompose_job_id(service_instance)
for service_instance in service_instances
if validate_job_name(service_instance)
]
applications = [
create_application_object(
kube_client=kube_client,
service=service_instance[0],
instance=service_instance[1],
cluster=cluster,
soa_dir=soa_dir,
) for service_instance in service_instances_with_valid_names
]
api_updates = 0
for _, app in applications:
if app:
app_dimensions = {
"paasta_service": app.kube_deployment.service,
"paasta_instance": app.kube_deployment.instance,
"paasta_cluster": cluster,
}
try:
if (
app.kube_deployment.service,
app.kube_deployment.instance,
) not in existing_apps:
log.info(f"Creating {app} because it does not exist yet.")
app.create(kube_client)
app_dimensions["deploy_event"] = "create"
metrics_interface.emit_event(
name="deploy",
dimensions=app_dimensions,
)
api_updates += 1
elif app.kube_deployment not in existing_kube_deployments:
log.info(f"Updating {app} because configs have changed.")
app.update(kube_client)
app_dimensions["deploy_event"] = "update"
metrics_interface.emit_event(
name="deploy",
dimensions=app_dimensions,
)
api_updates += 1
else:
log.info(f"{app} is up-to-date!")
log.info(f"Ensuring related API objects for {app} are in sync")
app.update_related_api_objects(kube_client)
except Exception:
log.exception(f"Error while processing: {app}")
if rate_limit > 0 and api_updates >= rate_limit:
log.info(
f"Not doing any further updates as we reached the limit ({api_updates})"
)
break
return (False, None) not in applications and len(
service_instances_with_valid_names) == len(service_instances)