Newly added test cases : disable/enable audit_logging in libvirtd.log

audit_logging = 1 to let audit messages also be sent via libvirt logging infrastructure as well as the auditd logging

Signed-off-by: chunfuwen <chwen@redhat.com>

libvirt/tests/cfg/conf_file/libvirtd_conf/set_audit_logging.cfg

@@ -0,0 +1,10 @@
+- conf_file.libvirtd_conf.set_audit_logging:
+    type = set_audit_logging
+    start_vm = no
+    variants:
+        - positive_test:
+            variants:
+                - disable_audit_log:
+                    enable_audit = no
+                - enable_audit_log:
+                    enable_audit = yes

libvirt/tests/src/conf_file/libvirtd_conf/set_audit_logging.py

@@ -0,0 +1,103 @@
+import logging
+import os
+
+from avocado.utils import process
+from avocado.utils import service
+
+from virttest import data_dir
+from virttest import utils_libvirtd
+from virttest import utils_split_daemons
+
+from virttest.utils_test import libvirt
+
+from virttest.utils_config import LibvirtdConfig
+from virttest.utils_config import VirtQemudConfig
+
+LOG = logging.getLogger('avocado.' + __name__)
+
+
+def run(test, params, env):
+    """
+    Test Disable/enable audit_logging in libvirtd.log.
+
+    1) Enable/disable audit_logging in libvirtd.conf;
+    2) Restart libvirtd daemon;
+    3) Check if audit logging as expected;
+    """
+    # Here it needs manipulate libvird config as test step, so it doesn't use default config
+    # enabled by avocado-vt framework at start
+    def config_libvirtd_log(enable_audit_logging=False):
+        """
+        Configure audit log level"
+
+        :param enable_audit_logging: bool indicating enable/disable audit_logging
+        """
+        libvirtd_config.log_outputs = "1:file:%s" % log_config_path
+        libvirtd_config.log_level = 1
+        libvirtd_config.audit_level = 1
+        if enable_audit_logging:
+            libvirtd_config.audit_logging = 1
+        utils_libvirtd.Libvirtd('virtqemud').restart()
+
+    def ensure_auditd_started():
+        """
+        Check audit service status and start it if it's not running
+        """
+        service_name = 'auditd'
+        service_mgr = service.ServiceManager()
+        status = service_mgr.status(service_name)
+        LOG.debug('Service status is %s', status)
+        if not status:
+            service_mgr.start(service_name)
+
+    def check_virt_type_from_audit_log():
+        """
+        Check whether virt type: VIRT_CONTROL|VIRT_MACHINE_ID|VIRT_RESOURCE in audit.log
+        """
+        cmd = 'cat /var/log/audit/audit.log |grep -E "type=VIRT_CONTROL|VIRT_MACHINE_ID|VIRT_RESOURCE"'
+        process.system_output(cmd, shell=True, verbose=True)
+        if process.system(cmd, ignore_status=True, shell=True):
+            test.fail("Check virt type failed with %s" % cmd)
+
+    def clean_up_audit_log_file():
+        """
+        Clean up audit message in log file.
+        """
+        cmd = "> /var/log/audit/audit.log; > %s" % log_config_path
+        process.run(cmd, ignore_status=True,
+                    shell=True)
+
+    def check_msg_in_libvirtd_log(str_to_grep):
+        """
+        Check audit message in libvirtd log file
+
+        param: str_to_grep: captured message in string
+        """
+        if not libvirt.check_logfile(str_to_grep, log_config_path, str_in_log=enable_audit_logging):
+            test.fail("Check message log:%s failed in log file:%s" % (str_to_grep, log_config_path))
+
+    vm_name = params.get("main_vm", "avocado-vt-vm1")
+    vm = env.get_vm(vm_name)
+    enable_audit_logging = "yes" == params.get("enable_audit", "no")
+
+    # Get LibvirtdConfig or VirtQemuConfig
+    log_config_path = os.path.join(data_dir.get_data_dir(), "libvirtd.log")
+    libvirtd_config = VirtQemudConfig() if utils_split_daemons.is_modular_daemon() else LibvirtdConfig()
+
+    try:
+        # Need stop VM first
+        if vm.is_alive():
+            vm.destroy()
+        config_libvirtd_log(enable_audit_logging)
+        # Clean up old audit message from log file
+        clean_up_audit_log_file()
+
+        # Check and start audit daemon service if necessary
+        ensure_auditd_started()
+
+        vm.start()
+        check_virt_type_from_audit_log()
+        check_msg_in_libvirtd_log("virDomainAudit")
+    finally:
+        libvirtd_config.restore()
+        utils_libvirtd.Libvirtd('virtqemud').restart()