test_ipam.py

import ipaddress
import pytest
import re
import responses

from gso.services import ipam


@responses.activate
def test_new_service_networks(data_config_filename):

    responses.add(
        method=responses.POST,
        url=re.compile(r'.*/wapi.*/network.*'),
        json={
            '_ref': 'network/ZG5zLm5ldHdvcmskMTAuMjU1LjI1NS4yMC8zMi8w:10.255.255.20/32/default',   # noqa: E501
            'network': '10.255.255.20/32'
        }
    )

    responses.add(
        method=responses.POST,
        url=re.compile(r'.*/wapi.*/ipv6network.*'),
        json={
            '_ref': 'ipv6network/ZG5zLm5ldHdvcmskZGVhZDpiZWVmOjoxOC8xMjgvMA:dead%3Abeef%3A%3A18/128/default',   # noqa: E501
            'network': 'dead:beef::18/128'
        }
    )

    service_networks = ipam.new_service_networks(service_type='TRUNK')
    assert service_networks == ipam.ServiceNetworks(
        v4=ipaddress.ip_network('10.255.255.20/32'),
        v6=ipaddress.ip_network('dead:beef::18/128')
    )

    # should fail because this service type has networks instead of containers
    with pytest.raises(AssertionError):
        service_networks = ipam.new_service_networks(service_type='LO')
        assert service_networks is None


@responses.activate
def test_new_service_host(data_config_filename):

    responses.add(
        method=responses.POST,
        url=re.compile(r'.*/wapi.*/record:host$'),
        json='record:host/ZG5zLmhvc3QkLm5vbl9ETlNfaG9zdF9yb290LjAuMTY4MzcwNTU4MzY3MC5nc28udGVzdA:test.lo/%20'   # noqa: E501
    )

    responses.add(
        method=responses.POST,
        url=re.compile(r'.*/wapi.*/record:a$'),
        json='record:a/ZG5zLmJpbmRfYSQuX2RlZmF1bHQuZ3NvLHRlc3QsMTAuMjU1LjI1NS44:test.lo/default'   # noqa: E501
    )

    responses.add(
        method=responses.POST,
        url=re.compile(r'.*/wapi.*/record:aaaa$'),
        json='record:aaaa/ZG5zLmJpbmRfYSQuX2RlZmF1bHQuZ3NvLHRlc3QsMTAuMjU1LjI1NS44:test.lo/default'   # noqa: E501
    )

    responses.add(
        method=responses.GET,
        url=re.compile(r'.*/wapi.*/network.*10.255.255.*'),
        json=[
            {
                "_ref": "network/ZG5zLm5ldHdvcmskMTAuMjU1LjI1NS4yMC8zMi8w:10.255.255.20/32/default",   # noqa: E501
                "network": "10.255.255.20/32",
                "network_view": "default"
            }
        ]

    )

    responses.add(
        method=responses.GET,
        url=re.compile(r'.*/wapi.*/network.*10.255.254.*'),
        json=[
            {
                "_ref": "network/ZG5zLm5Gd0VHQkRQUjMzLjMwNzIuMzE1LzAyLzI:10.255.254.20/32/default",   # noqa: E501
                "network": "10.255.254.20/32",
                "network_view": "default"
            }
        ]

    )

    responses.add(
        method=responses.GET,
        url=re.compile(r'.*/wapi.*/ipv6network.*'),
        json=[
            {
                "_ref": "ipv6network/ZG5zLm5ldHdvcmskZGVhZDpiZWVmOjoxOC8xMjgvMA:dead%3Abeef%3A%3A18/128/default",   # noqa: E501
                "network": "dead:beef::18/128",
                "network_view": "default"
            }
        ]
    )

    responses.add(
        method=responses.POST,
        url=re.compile(r'.*/wapi.*/network/.*10.255.255.*?_function=next_available_ip&num=1$'),   # noqa: E501
        json={'ips': ['10.255.255.20']}
    )

    responses.add(
        method=responses.POST,
        url=re.compile(r'.*/wapi.*/network/.*10.255.254.*?_function=next_available_ip&num=1$'),   # noqa: E501
        body="Cannot find 1 available IP address(es) in this network",
        status=400
    )

    responses.add(
        method=responses.POST,
        url=re.compile(r'.*/wapi.*/ipv6network/.*?_function=next_available_ip&num=1$'),   # noqa: E501
        json={'ips': ['dead:beef::18']}
    )

    responses.add(
        method=responses.POST,
        url=re.compile(r'.*/wapi.*/network.*_return_fields.*'),
        json={
            '_ref': 'network/ZG5zLm5ldHdvcmskMTAuMjU1LjI1NS4yMC8zMi8w:10.255.255.20/32/default',   # noqa: E501
            'network': '10.255.255.20/32'
        }
    )

    responses.add(
        method=responses.POST,
        url=re.compile(r'.*/wapi.*/ipv6network.*_return_fields.*'),
        json={
            '_ref': 'ipv6network/ZG5zLm5ldHdvcmskZGVhZDpiZWVmOjoxOC8xMjgvMA:dead%3Abeef%3A%3A18/128/default',   # noqa: E501
            'network': 'dead:beef::18/128'
        }
    )

    # test host creation by IP addresses
    service_hosts = ipam.new_service_host(
        hostname='test',
        service_type='TRUNK',
        host_addresses=ipam.HostAddresses(
            v4=ipaddress.ip_address('10.255.255.20'),
            v6=ipaddress.ip_address('dead:beef::18')
        )
    )
    assert service_hosts == ipam.HostAddresses(
        v4=ipaddress.ip_address('10.255.255.20'),
        v6=ipaddress.ip_address('dead:beef::18')
    )

    # test host creation by network addresses
    service_hosts = ipam.new_service_host(
        hostname='test',
        service_type='TRUNK',
        service_networks=ipam.ServiceNetworks(
            v4=ipaddress.ip_network('10.255.255.20/32'),
            v6=ipaddress.ip_network('dead:beef::18/128')
        )
    )
    assert service_hosts == ipam.HostAddresses(
        v4=ipaddress.ip_address('10.255.255.20'),
        v6=ipaddress.ip_address('dead:beef::18')
    )

    # test host creation by just service_type when service cfg uses networks
    service_hosts = ipam.new_service_host(
        hostname='test',
        service_type='LO'
    )
    assert service_hosts == ipam.HostAddresses(
        v4=ipaddress.ip_address('10.255.255.20'),
        v6=ipaddress.ip_address('dead:beef::18')
    )

    # test host creation by just service_type when service cfg uses containers
    service_hosts = ipam.new_service_host(
        hostname='test',
        service_type='TRUNK'
    )
    assert service_hosts == ipam.HostAddresses(
        v4=ipaddress.ip_address('10.255.255.20'),
        v6=ipaddress.ip_address('dead:beef::18')
    )

    # test host creation that should return a no available IP error
    with pytest.raises(AssertionError):
        service_hosts = ipam.new_service_host(
            hostname='test',
            service_type='TRUNK',
            service_networks=ipam.ServiceNetworks(
                v4=ipaddress.ip_network('10.255.254.20/32'),
                v6=ipaddress.ip_network('dead:beef::18/128')
            )
        )
        assert service_hosts is None