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Location: majic-ansible-roles/roles/mail_forwarder/molecule/default/tests/test_connectivity_from_relay.py

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branko

MAR-148: Improve the SSH connectivity tests in backup_server role to be more reliable:

- Introduce a session-level fixture for setting permissions for client
SSH private keys (fixes errors related to SSH requesting tighter
permissions).
- Add assertions for the tests that verify the backup clients cannot
connect to the regular SSH server in case the SSH private keys do
not have correct permissions (just in case).

import os

import testinfra.utils.ansible_runner


testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('mail-server')


def test_connectivity_from_relay(host):
    """
    Tests connectivity towards mail forwarder servers from relay. Connection
    towards parameters-mandatory should fail.
    """

    with host.sudo():

        ping = host.run('hping3 -S -p 25 -c 1 parameters-mandatory-jessie64')
        assert ping.rc != 0
        assert "100% packet loss" in ping.stderr

        ping = host.run('hping3 -S -p 25 -c 1 parameters-optional-jessie64')
        assert ping.rc == 0

        ping = host.run('hping3 -S -p 25 -c 1 parameters-no-incoming-jessie64')
        assert "100% packet loss" in ping.stderr
        assert ping.rc != 0

        ping = host.run('hping3 -S -p 25 -c 1 parameters-mandatory-stretch64')
        assert ping.rc != 0
        assert "100% packet loss" in ping.stderr

        ping = host.run('hping3 -S -p 25 -c 1 parameters-optional-stretch64')
        assert ping.rc == 0

        ping = host.run('hping3 -S -p 25 -c 1 parameters-no-incoming-stretch64')
        assert "100% packet loss" in ping.stderr
        assert ping.rc != 0


def test_mail_reception_from_relay(host):
    """
    Tests if mails can be sent from relay to servers configured to use the
    relay.
    """

    send = host.run('swaks --suppress-data --to root@parameters-optional-jessie64 --server parameters-optional-jessie64')
    assert send.rc == 0

    send = host.run('swaks --suppress-data --to root@parameters-optional-stretch64 --server parameters-optional-stretch64')
    assert send.rc == 0


def test_open_relay(host):
    """
    Tests if mail forwarder behaves as open relay.
    """

    no_recipients_accepted = 24

    send = host.run('swaks --suppress-data --to root@client1 --server parameters-optional-jessie64')
    assert send.rc == no_recipients_accepted
    assert "Relay access denied" in send.stdout

    send = host.run('swaks --suppress-data --to root@client1 --server parameters-optional-stretch64')
    assert send.rc == no_recipients_accepted
    assert "Relay access denied" in send.stdout