def _build_smartstack_location_dict_for_backends(
synapse_host: str,
registration: str,
tasks: Sequence[MarathonTask],
location: str,
should_return_individual_backends: bool,
) -> MutableMapping[str, Any]:
sorted_smartstack_backends = sorted(
smartstack_tools.get_backends(
registration,
synapse_host=synapse_host,
synapse_port=settings.system_paasta_config.get_synapse_port(),
synapse_haproxy_url_format=settings.system_paasta_config.
get_synapse_haproxy_url_format(),
),
key=lambda backend: backend["status"],
reverse=True, # put 'UP' backends above 'MAINT' backends
)
matched_smartstack_backends_and_tasks = smartstack_tools.match_backends_and_tasks(
sorted_smartstack_backends, tasks)
return smartstack_tools.build_smartstack_location_dict(
location,
matched_smartstack_backends_and_tasks,
should_return_individual_backends,
)
def _build_smartstack_location_dict(
synapse_host: str,
synapse_port: int,
synapse_haproxy_url_format: str,
registration: str,
pods: Iterable[V1Pod],
location: str,
should_return_individual_backends: bool,
) -> MutableMapping[str, Any]:
sorted_backends = sorted(
smartstack_tools.get_backends(
registration,
synapse_host=synapse_host,
synapse_port=synapse_port,
synapse_haproxy_url_format=synapse_haproxy_url_format,
),
key=lambda backend: backend["status"],
reverse=True, # put 'UP' backends above 'MAINT' backends
)
matched_backends_and_pods = match_backends_and_pods(sorted_backends, pods)
location_dict = smartstack_tools.build_smartstack_location_dict(
location, matched_backends_and_pods, should_return_individual_backends
)
return location_dict
def smartstack_status(
service: str,
instance: str,
job_config: LongRunningServiceConfig,
service_namespace_config: ServiceNamespaceConfig,
pods: Sequence[V1Pod],
settings: Any,
should_return_individual_backends: bool = False,
) -> Mapping[str, Any]:
registration = job_config.get_registrations()[0]
instance_pool = job_config.get_pool()
smartstack_replication_checker = KubeSmartstackReplicationChecker(
nodes=kubernetes_tools.get_all_nodes(settings.kubernetes_client),
system_paasta_config=settings.system_paasta_config,
)
node_hostname_by_location = smartstack_replication_checker.get_allowed_locations_and_hosts(
job_config
)
expected_smartstack_count = marathon_tools.get_expected_instance_count_for_namespace(
service=service,
namespace=instance,
cluster=settings.cluster,
instance_type_class=KubernetesDeploymentConfig,
)
expected_count_per_location = int(
expected_smartstack_count / len(node_hostname_by_location)
)
smartstack_status: MutableMapping[str, Any] = {
"registration": registration,
"expected_backends_per_location": expected_count_per_location,
"locations": [],
}
for location, hosts in node_hostname_by_location.items():
synapse_host = smartstack_replication_checker.get_first_host_in_pool(
hosts, instance_pool
)
sorted_backends = sorted(
smartstack_tools.get_backends(
registration,
synapse_host=synapse_host,
synapse_port=settings.system_paasta_config.get_synapse_port(),
synapse_haproxy_url_format=settings.system_paasta_config.get_synapse_haproxy_url_format(),
),
key=lambda backend: backend["status"],
reverse=True, # put 'UP' backends above 'MAINT' backends
)
matched_backends_and_pods = match_backends_and_pods(sorted_backends, pods)
location_dict = smartstack_tools.build_smartstack_location_dict(
location, matched_backends_and_pods, should_return_individual_backends
)
smartstack_status["locations"].append(location_dict)
return smartstack_status
def marathon_smartstack_status(
service: str,
instance: str,
job_config: marathon_tools.MarathonServiceConfig,
service_namespace_config: ServiceNamespaceConfig,
tasks: Sequence[MarathonTask],
should_return_individual_backends: bool = False,
) -> Mapping[str, Any]:
registration = job_config.get_registrations()[0]
discover_location_type = service_namespace_config.get_discover()
grouped_slaves = get_mesos_slaves_grouped_by_attribute(
slaves=get_slaves(), attribute=discover_location_type)
# rebuild the dict, replacing the slave object with just their hostname
slave_hostname_by_location = {
attribute_value: [slave["hostname"] for slave in slaves]
for attribute_value, slaves in grouped_slaves.items()
}
expected_smartstack_count = marathon_tools.get_expected_instance_count_for_namespace(
service, instance, settings.cluster)
expected_count_per_location = int(expected_smartstack_count /
len(slave_hostname_by_location))
smartstack_status: MutableMapping[str, Any] = {
"registration": registration,
"expected_backends_per_location": expected_count_per_location,
"locations": [],
}
for location, hosts in slave_hostname_by_location.items():
synapse_host = hosts[0]
sorted_backends = sorted(
get_backends(
registration,
synapse_host=synapse_host,
synapse_port=settings.system_paasta_config.get_synapse_port(),
synapse_haproxy_url_format=settings.system_paasta_config.
get_synapse_haproxy_url_format(),
),
key=lambda backend: backend["status"],
reverse=True, # put 'UP' backends above 'MAINT' backends
)
matched_backends_and_tasks = match_backends_and_tasks(
sorted_backends, tasks)
location_dict = smartstack_tools.build_smartstack_location_dict(
location, matched_backends_and_tasks,
should_return_individual_backends)
smartstack_status["locations"].append(location_dict)
return smartstack_status