Exemplo n.º 1
0
    def test_watcher_thread_no_config(self):
        self.watcher_plugin, self.health_plugin = \
                watcher.start_plugins(
                        self.conf,
                        self.watcher_plugin_class, self.health_plugin_class,
                        2)
        time.sleep(1.2)

        # Config file doesn't exist yet, so we should get an error.
        # Health monitor is started with a second delay, so no messages from
        # there, yet.
        l = self.start_thread_log_tuple()
        l.append(
            ('root', 'INFO',
             'ICMPecho health monitor plugin: Starting to watch instances.'))
        self.lc_compare(l)

        watcher.stop_plugins(self.watcher_plugin, self.health_plugin)
Exemplo n.º 2
0
    def test_watcher_thread_wrong_config(self):
        watcher_plugin, health_plugin = \
                watcher.start_plugins(
                    self.conf,
                    self.watcher_plugin_class, self.health_plugin_class,
                    2)
        time.sleep(1.2)

        self.lc.clear()
        inp = "MALFORMED"
        self.write_config(inp)

        time.sleep(1)
        # Config file malformed
        l = [
            self.change_event_log_tuple(),
            ('root', 'ERROR',
             'Config ignored: Expected dictionary at top level')
        ]
        self.lc_compare(l)

        watcher.stop_plugins(watcher_plugin, health_plugin)
Exemplo n.º 3
0
    def test_watcher_thread_no_config(self):
        os.remove(self.abs_fname)
        watcher_plugin, health_plugin = \
                watcher.start_plugins(
                    self.conf,
                    self.watcher_plugin_class, self.health_plugin_class,
                    2)
        time.sleep(0.5)

        # Config file doesn't exist yet, so we should get an error.
        # Health monitor is started with a second delay, so no messages from
        # there, yet.
        l = self.start_thread_log_tuple()
        l.extend([
            ('root', 'ERROR', "Config ignored: Cannot open file: "
             "[Errno 2] No such file or directory: '%s'" % self.abs_fname),
            ('root', 'INFO',
             'ICMPecho health monitor plugin: Starting to watch instances.')
        ])
        self.lc.check(*l)

        watcher.stop_plugins(watcher_plugin, health_plugin)
Exemplo n.º 4
0
    def test_watcher_thread(self):
        # Monkey patch the healthcheck method of the ICMP health monitor class,
        # since we don't really want to send out ICMP echo requests when we run
        # the tests. Will indicate failure for all IP addresses starting with
        # "3."
        def new_do_health_checks(s, addrs):
            return [a for a in addrs if a.startswith("3.")], []

        # We do this in the class, before the plugin is instantiated
        self.health_plugin_class.do_health_checks = new_do_health_checks

        watcher_plugin, health_plugin = \
                watcher.start_plugins(
                    self.conf,
                    self.watcher_plugin_class, self.health_plugin_class,
                    2)

        time.sleep(2)

        l = self.start_thread_log_tuple()
        l.extend([
             ('root', 'INFO',
              'ICMPecho health monitor plugin: Starting to watch instances.'),
             ('root', 'DEBUG', 'Checking live IPs: (none alive)')])
        self.lc.check(*l)
        self.lc.clear()

        inp = {
                  u"10.1.0.0/16" : [u"1.1.1.1", u"2.2.2.2"],
                  u"10.2.0.0/16" : [u"3.3.3.3"]
              }
        self.write_config(inp)

        time.sleep(2)

        watcher._event_monitor_loop(
            "dummy-region", "dummy-vpc",
            watcher_plugin, health_plugin,
            iterations=1, sleep_time=0.5)

        time.sleep(2)

        self.lc.check(
            self.change_event_log_tuple(),
            ('root', 'DEBUG', 'Checking live IPs: (none alive)'),
            ('root', 'DEBUG',
             'New route spec detected. Updating health-monitor '
             'with: 1.1.1.1,2.2.2.2,3.3.3.3'),
            ('root', 'DEBUG', 'event_monitor_loop ended: Global stop'),
            ('root', 'DEBUG', u'Checking live IPs: 1.1.1.1,2.2.2.2,3.3.3.3'),
            ('root', 'INFO', u'Currently failed IPs: 3.3.3.3'))
        self.lc.clear()

        inp = {
                  u"10.1.0.0/16" : [u"4.4.4.4", u"2.2.2.2"],
                  u"10.2.0.0/16" : [u"3.3.3.3"]
              }
        self.write_config(inp)

        time.sleep(1)
        """
        Remove this check: The log messages may come through in a different
        order, which isn't a problem.

        self.lc.check(
            ('root', 'INFO',
             'Detected file change event for %s' % self.abs_fname),
            ('root', 'DEBUG', 'Checking live IPs: 1.1.1.1,2.2.2.2'))
        """
        self.lc.clear()

        watcher._event_monitor_loop(
            "dummy-region", "dummy-vpc",
            watcher_plugin, health_plugin,
            iterations=1, sleep_time=0.5)

        time.sleep(2)
        self.lc.check(
            ('root', 'DEBUG',
             'New route spec detected. Updating health-monitor '
             'with: 2.2.2.2,3.3.3.3,4.4.4.4'),
            ('root', 'DEBUG', 'event_monitor_loop ended: Global stop'),
            ('root', 'DEBUG', u'Checking live IPs: 2.2.2.2,4.4.4.4'))

        self.lc.clear()

        watcher._event_monitor_loop(
            "dummy-region", "dummy-vpc",
            watcher_plugin, health_plugin,
            iterations=2, sleep_time=1, route_check_time_interval=1)

        time.sleep(2)
        self.lc.check(
            ('root', 'DEBUG', u'Checking live IPs: 2.2.2.2,4.4.4.4'),
            ('root', 'DEBUG', 'Time for regular route check'),
            ('root', 'DEBUG', 'event_monitor_loop ended: Global stop'),
            ('root', 'DEBUG', u'Checking live IPs: 2.2.2.2,4.4.4.4'))

        watcher.stop_plugins(watcher_plugin, health_plugin)