예제 #1
0
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
예제 #2
0
def mesh_status(
    service: str,
    service_mesh: ServiceMesh,
    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()

    replication_checker = KubeSmartstackEnvoyReplicationChecker(
        nodes=kubernetes_tools.get_all_nodes(settings.kubernetes_client),
        system_paasta_config=settings.system_paasta_config,
    )
    node_hostname_by_location = replication_checker.get_allowed_locations_and_hosts(
        job_config)

    expected_smartstack_count = marathon_tools.get_expected_instance_count_for_namespace(
        service=service,
        namespace=job_config.get_nerve_namespace(),
        cluster=settings.cluster,
        instance_type_class=KubernetesDeploymentConfig,
    )
    expected_count_per_location = int(expected_smartstack_count /
                                      len(node_hostname_by_location))
    mesh_status: MutableMapping[str, Any] = {
        "registration": registration,
        "expected_backends_per_location": expected_count_per_location,
        "locations": [],
    }

    for location, hosts in node_hostname_by_location.items():
        host = replication_checker.get_first_host_in_pool(hosts, instance_pool)
        if service_mesh == ServiceMesh.SMARTSTACK:
            mesh_status["locations"].append(
                _build_smartstack_location_dict(
                    synapse_host=host,
                    synapse_port=settings.system_paasta_config.
                    get_synapse_port(),
                    synapse_haproxy_url_format=settings.system_paasta_config.
                    get_synapse_haproxy_url_format(),
                    registration=registration,
                    pods=pods,
                    location=location,
                    should_return_individual_backends=
                    should_return_individual_backends,
                ))
        elif service_mesh == ServiceMesh.ENVOY:
            mesh_status["locations"].append(
                _build_envoy_location_dict(
                    envoy_host=host,
                    envoy_admin_port=settings.system_paasta_config.
                    get_envoy_admin_port(),
                    envoy_admin_endpoint_format=settings.system_paasta_config.
                    get_envoy_admin_endpoint_format(),
                    registration=registration,
                    pods=pods,
                    location=location,
                    should_return_individual_backends=
                    should_return_individual_backends,
                ))
    return mesh_status