import pytest

from helpers.cluster import ClickHouseCluster

cluster = ClickHouseCluster(__file__)

node_ipv4 = cluster.add_instance('node_ipv4', main_configs=[], user_configs=['configs/users_ipv4.xml'],
                                 ipv4_address='10.5.172.77')
client_ipv4_ok = cluster.add_instance('client_ipv4_ok', main_configs=[], user_configs=[], ipv4_address='10.5.172.10')
client_ipv4_ok_direct = cluster.add_instance('client_ipv4_ok_direct', main_configs=[], user_configs=[],
                                             ipv4_address='10.5.173.1')
client_ipv4_ok_full_mask = cluster.add_instance('client_ipv4_ok_full_mask', main_configs=[], user_configs=[],
                                                ipv4_address='10.5.175.77')
client_ipv4_bad = cluster.add_instance('client_ipv4_bad', main_configs=[], user_configs=[], ipv4_address='10.5.173.10')

node_ipv6 = cluster.add_instance('node_ipv6', main_configs=["configs/config_ipv6.xml"],
                                 user_configs=['configs/users_ipv6.xml'], ipv6_address='2001:3984:3989::1:1000')
client_ipv6_ok = cluster.add_instance('client_ipv6_ok', main_configs=[], user_configs=[],
                                      ipv6_address='2001:3984:3989::5555')
client_ipv6_ok_direct = cluster.add_instance('client_ipv6_ok_direct', main_configs=[], user_configs=[],
                                             ipv6_address='2001:3984:3989::1:1111')
client_ipv6_bad = cluster.add_instance('client_ipv6_bad', main_configs=[], user_configs=[],
                                       ipv6_address='2001:3984:3989::1:1112')


@pytest.fixture(scope="module")
def setup_cluster():
    try:
        cluster.start()
        yield cluster

    finally:
        cluster.shutdown()


def test_ipv4(setup_cluster):
    try:
        client_ipv4_ok.exec_in_container(
            ["bash", "-c", "/usr/bin/clickhouse client --host 10.5.172.77 --query 'select 1'"], privileged=True,
            user='root')
    except Exception as ex:
        assert False, "allowed client with 10.5.172.10 cannot connect to server with allowed mask '10.5.172.0/24'"

    try:
        client_ipv4_ok_direct.exec_in_container(
            ["bash", "-c", "/usr/bin/clickhouse client --host 10.5.172.77 --query 'select 1'"], privileged=True,
            user='root')
    except Exception as ex:
        assert False, "allowed client with 10.5.173.1 cannot connect to server with allowed ip '10.5.173.1'"

    try:
        client_ipv4_ok_full_mask.exec_in_container(
            ["bash", "-c", "/usr/bin/clickhouse client --host 10.5.172.77 --query 'select 1'"], privileged=True,
            user='root')
    except Exception as ex:
        assert False, "allowed client with 10.5.175.77 cannot connect to server with allowed ip '10.5.175.0/255.255.255.0'"

    try:
        client_ipv4_bad.exec_in_container(
            ["bash", "-c", "/usr/bin/clickhouse client --host 10.5.172.77 --query 'select 1'"], privileged=True,
            user='root')
        assert False, "restricted client with 10.5.173.10 can connect to server with allowed mask '10.5.172.0/24'"
    except AssertionError:
        raise
    except Exception as ex:
        print ex


def test_ipv6(setup_cluster):
    try:
        client_ipv6_ok.exec_in_container(
            ["bash", "-c", "/usr/bin/clickhouse client --host 2001:3984:3989::1:1000 --query 'select 1'"],
            privileged=True, user='root')
    except Exception as ex:
        print ex
        assert False, "allowed client with 2001:3984:3989:0:0:0:1:1111 cannot connect to server with allowed mask '2001:3984:3989:0:0:0:0:0/112'"

    try:
        client_ipv6_ok_direct.exec_in_container(
            ["bash", "-c", "/usr/bin/clickhouse client --host 2001:3984:3989:0:0:0:1:1000 --query 'select 1'"],
            privileged=True, user='root')
    except Exception as ex:
        assert False, "allowed client with 2001:3984:3989:0:0:0:1:1111 cannot connect to server with allowed ip '2001:3984:3989:0:0:0:1:1111'"

    try:
        client_ipv6_bad.exec_in_container(
            ["bash", "-c", "/usr/bin/clickhouse client --host 2001:3984:3989:0:0:0:1:1000 --query 'select 1'"],
            privileged=True, user='root')
        assert False, "restricted client with 2001:3984:3989:0:0:0:1:1112 can connect to server with allowed mask '2001:3984:3989:0:0:0:0:0/112'"
    except AssertionError:
        raise
    except Exception as ex:
        print ex