Add baculacheck actor

Check whether bacula-director is installed and informs about the
necessary conversion of Bacula catalog after upgrade.

Copied from the checkpostgresql and checkmariadb actors.

repos/system_upgrade/el8toel9/actors/baculacheck/actor.py

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+from leapp.actors import Actor
+from leapp.libraries.actor.baculacheck import report_installed_packages
+from leapp.models import InstalledRedHatSignedRPM, Report
+from leapp.tags import ChecksPhaseTag, IPUWorkflowTag
+
+
+class BaculaCheck(Actor):
+    """
+    Actor checking for presence of Bacula installation.
+
+    Provides user with information related to upgrading systems
+    with Bacula installed.
+    """
+    name = 'bacula_check'
+    consumes = (InstalledRedHatSignedRPM,)
+    produces = (Report,)
+    tags = (ChecksPhaseTag, IPUWorkflowTag)
+
+    def process(self):
+        report_installed_packages()

repos/system_upgrade/el8toel9/actors/baculacheck/libraries/baculacheck.py

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+from leapp import reporting
+from leapp.libraries.common.rpms import has_package
+from leapp.libraries.stdlib import api
+from leapp.models import InstalledRedHatSignedRPM
+
+# Summary for bacula-director report
+report_director_inst_summary = (
+    'Bacula director component will be upgraded. Since RHEL-9 includes'
+    ' Bacula director 11, which is incompatible with version 9'
+    ' included in RHEL-8, it is necessary to proceed with additional steps'
+    ' for the complete upgrade of the Bacula backup database.'
+)
+
+report_director_inst_hint = (
+    'Back up your data before proceeding with the upgrade'
+    ' and use the command "/usr/libexec/bacula/update_bacula_tables <dbtype>" to upgrade'
+    ' the Bacula database after the system upgrade.'
+    ' The value of <dbtype> depends on the database backend, possible values are'
+    ' sqlite3, mysql, postgresql.'
+)
+
+
+def _report_director_installed():
+    """
+    Create report on bacula-director package installation detection.
+
+    Should remind user about present Bacula director package
+    installation and warn them about necessary additional steps.
+    """
+    reporting.create_report([
+        reporting.Title('bacula (bacula-director) has been detected on your system'),
+        reporting.Summary(report_director_inst_summary),
+        reporting.Severity(reporting.Severity.MEDIUM),
+        reporting.Tags([reporting.Tags.SERVICES]),
+        reporting.RelatedResource('package', 'bacula-director'),
+        reporting.Remediation(hint=report_director_inst_hint),
+        ])
+
+
+def report_installed_packages(_context=api):
+    """
+    Create reports according to detected bacula packages.
+
+    Create the report if the bacula-director rpm (RH signed) is installed.
+    """
+    has_director = has_package(InstalledRedHatSignedRPM, 'bacula-director', context=_context)
+
+    if has_director:
+        # bacula-director
+        _report_director_installed()

repos/system_upgrade/el8toel9/actors/baculacheck/tests/test_baculacheck.py

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+import pytest
+
+from leapp import reporting
+from leapp.libraries.actor.baculacheck import report_installed_packages
+from leapp.libraries.common.testutils import create_report_mocked, CurrentActorMocked
+from leapp.libraries.stdlib import api
+from leapp.models import InstalledRedHatSignedRPM, RPM
+
+
+def _generate_rpm_with_name(name):
+    """
+    Generate new RPM model item with given name.
+
+    Parameters:
+        name (str): rpm name
+
+    Returns:
+        rpm  (RPM): new RPM object with name parameter set
+    """
+    return RPM(name=name,
+               version='0.1',
+               release='1.sm01',
+               epoch='1',
+               pgpsig='RSA/SHA256, Mon 01 Jan 1970 00:00:00 AM -03, Key ID 199e2f91fd431d51',
+               packager='Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>',
+               arch='noarch')
+
+
+@pytest.mark.parametrize('has_director', [
+    (True),  # with director
+    (False),  # without director
+])
+def test_actor_execution(monkeypatch, has_director):
+    """
+    Parametrized helper function for test_actor_* functions.
+
+    First generate list of RPM models based on set arguments. Then, run
+    the actor feeded with our RPM list. Finally, assert Reports
+    according to set arguments.
+
+    Parameters:
+        has_director  (bool): bacula-director installed
+    """
+
+    # Couple of random packages
+    rpms = [_generate_rpm_with_name('sed'),
+            _generate_rpm_with_name('htop')]
+
+    if has_director:
+        # Add bacula-director
+        rpms += [_generate_rpm_with_name('bacula-director')]
+
+    curr_actor_mocked = CurrentActorMocked(msgs=[InstalledRedHatSignedRPM(items=rpms)])
+    monkeypatch.setattr(api, 'current_actor', curr_actor_mocked)
+    monkeypatch.setattr(reporting, "create_report", create_report_mocked())
+
+    # Executed actor feeded with out fake RPMs
+    report_installed_packages(_context=api)
+
+    if has_director:
+        # Assert for bacula-director package installed
+        assert reporting.create_report.called == 1
+    else:
+        # Assert for no bacula packages installed
+        assert not reporting.create_report.called