def test_node_registered(self):
        """
        Verify that KubeContainerManager().node_registered() works as expected.
        """
        kube_container_mgr = KubeContainerManager(CONFIG)
        # First call should return True. The rest should be False.
        kube_container_mgr.con = MagicMock()
        kube_container_mgr.con.get = MagicMock(side_effect=(
            MagicMock(status_code=200),
            MagicMock(status_code=404),
            MagicMock(status_code=500)))

        self.assertTrue(kube_container_mgr.node_registered('test'))
        self.assertFalse(kube_container_mgr.node_registered('test'))
        self.assertFalse(kube_container_mgr.node_registered('test'))
Example #2
0
    def test_node_registered(self):
        """
        Verify that KuberContainerManager().node_registered() works as expected.
        """
        config = Config(
            etcd={
                'uri': urlparse('http://127.0.0.1:2379'),
            },
            kubernetes={
                'uri': urlparse('http://127.0.0.1:8080'),
                'token': 'token',
            }
        )
        kube_container_mgr = KubeContainerManager(config)
        # First call should return True. The rest should be False.
        kube_container_mgr.con = MagicMock()
        kube_container_mgr.con.get = MagicMock(side_effect=(
            MagicMock(status_code=200),
            MagicMock(status_code=404),
            MagicMock(status_code=500)))

        self.assertTrue(kube_container_mgr.node_registered('test'))
        self.assertFalse(kube_container_mgr.node_registered('test'))
        self.assertFalse(kube_container_mgr.node_registered('test'))
Example #3
0
def investigator(queue, config, run_once=False):
    """
    Investigates new hosts to retrieve and store facts.

    :param queue: Queue to pull work from.
    :type queue: Queue.Queue
    :param config: Configuration information.
    :type config: commissaire.config.Config
    """
    logger = logging.getLogger('investigator')
    logger.info('Investigator started')

    while True:
        # Statuses follow:
        # http://commissaire.readthedocs.org/en/latest/enums.html#host-statuses
        transport = ansibleapi.Transport()
        to_investigate, ssh_priv_key = queue.get()
        address = to_investigate['address']
        logger.info('{0} is now in investigating.'.format(address))
        logger.debug('Investigation details: key={0}, data={1}'.format(
            to_investigate, ssh_priv_key))

        f = tempfile.NamedTemporaryFile(prefix='key', delete=False)
        key_file = f.name
        logger.debug('Using {0} as the temporary key location for {1}'.format(
            key_file, address))
        f.write(base64.decodestring(ssh_priv_key))
        logger.info('Wrote key for {0}'.format(address))
        f.close()

        key = '/commissaire/hosts/{0}'.format(address)
        etcd_resp, error = cherrypy.engine.publish('store-get', key)[0]
        if error:
            logger.warn('Unable to continue for {0} due to '
                        '{1}: {2}. Returning...'.format(
                            address, type(error), error))
            clean_up_key(key_file)
            continue

        data = json.loads(etcd_resp.value)

        try:
            result, facts = transport.get_info(address, key_file)
            data.update(facts)
            data['last_check'] = datetime.datetime.utcnow().isoformat()
            data['status'] = 'bootstrapping'
            logger.info('Facts for {0} retrieved'.format(address))
            logger.debug('Data: {0}'.format(data))
        except:
            exc_type, exc_msg, tb = sys.exc_info()
            logger.warn('Getting info failed for {0}: {1}'.format(
                address, exc_msg))
            data['status'] = 'failed'
            cherrypy.engine.publish('store-save', key, json.dumps(data))[0]
            clean_up_key(key_file)
            if run_once:
                break
            continue

        cherrypy.engine.publish('store-save', key, json.dumps(data))[0]
        logger.info(
            'Finished and stored investigation data for {0}'.format(address))
        logger.debug('Finished investigation update for {0}: {1}'.format(
            address, data))

        logger.info('{0} is now in bootstrapping'.format(address))
        oscmd = get_oscmd(data['os'])
        try:
            result, facts = transport.bootstrap(address, key_file, config,
                                                oscmd)
            data['status'] = 'inactive'
            cherrypy.engine.publish('store-save', key, json.dumps(data))[0]
        except:
            exc_type, exc_msg, tb = sys.exc_info()
            logger.warn('Unable to start bootstraping for {0}: {1}'.format(
                address, exc_msg))
            data['status'] = 'disassociated'
            cherrypy.engine.publish('store-save', key, json.dumps(data))[0]
            clean_up_key(key_file)
            if run_once:
                break
            continue

        # Verify association with the container manager
        try:
            container_mgr = KubeContainerManager(config)
            # Try 3 times waiting 5 seconds each time before giving up
            for cnt in range(0, 3):
                if container_mgr.node_registered(address):
                    logger.info(
                        '{0} has been registered with the container manager.')
                    data['status'] = 'active'
                    break
                if cnt == 3:
                    msg = 'Could not register with the container manager'
                    logger.warn(msg)
                    raise Exception(msg)
                logger.debug(
                    '{0} has not been registered with the container manager. '
                    'Checking again in 5 seconds...'.format(address))
                sleep(5)
        except:
            _, exc_msg, _ = sys.exc_info()
            logger.warn(
                'Unable to finish bootstrap for {0} while associating with '
                'the container manager: {1}'.format(address, exc_msg))
            data['status'] = 'inactive'

        cherrypy.engine.publish('store-save', key, json.dumps(data))[0]
        logger.info('Finished bootstrapping for {0}'.format(address))
        logging.debug('Finished bootstrapping for {0}: {1}'.format(
            address, data))

        clean_up_key(key_file)
        if run_once:
            logger.info('Exiting due to run_once request.')
            break

    logger.info('Investigator stopping')
Example #4
0
def investigator(queue, config, store_kwargs={}, run_once=False):
    """
    Investigates new hosts to retrieve and store facts.

    :param queue: Queue to pull work from.
    :type queue: Queue.Queue
    :param config: Configuration information.
    :type config: commissaire.config.Config
    :param store_kwargs: Keyword arguments used to make the etcd client.
    :type store_kwargs: dict
    """
    logger = logging.getLogger('investigator')
    logger.info('Investigator started')

    store = etcd.Client(**store_kwargs)

    while True:
        # Statuses follow:
        # http://commissaire.readthedocs.org/en/latest/enums.html#host-statuses
        to_investigate, ssh_priv_key, remote_user = queue.get()
        address = to_investigate['address']
        logger.info('{0} is now in investigating.'.format(address))
        logger.debug(
            'Investigation details: key={0}, data={1}, remote_user={2}'.format(
                to_investigate, ssh_priv_key, remote_user))

        transport = ansibleapi.Transport(remote_user)

        f = tempfile.NamedTemporaryFile(prefix='key', delete=False)
        key_file = f.name
        logger.debug(
            'Using {0} as the temporary key location for {1}'.format(
                key_file, address))
        f.write(base64.decodestring(ssh_priv_key))
        logger.info('Wrote key for {0}'.format(address))
        f.close()

        try:
            key = '/commissaire/hosts/{0}'.format(address)
            etcd_resp = store.get(key)
        except Exception as error:
            logger.warn(
                'Unable to continue for {0} due to '
                '{1}: {2}. Returning...'.format(address, type(error), error))
            clean_up_key(key_file)
            continue

        data = json.loads(etcd_resp.value)

        try:
            result, facts = transport.get_info(address, key_file)
            data.update(facts)
            data['last_check'] = datetime.datetime.utcnow().isoformat()
            data['status'] = 'bootstrapping'
            logger.info('Facts for {0} retrieved'.format(address))
            logger.debug('Data: {0}'.format(data))
        except:
            exc_type, exc_msg, tb = sys.exc_info()
            logger.warn('Getting info failed for {0}: {1}'.format(
                address, exc_msg))
            data['status'] = 'failed'
            store.write(key, json.dumps(data))
            clean_up_key(key_file)
            if run_once:
                break
            continue

        store.write(key, json.dumps(data))
        logger.info(
            'Finished and stored investigation data for {0}'.format(address))
        logger.debug('Finished investigation update for {0}: {1}'.format(
            address, data))

        logger.info('{0} is now in bootstrapping'.format(address))
        oscmd = get_oscmd(data['os'])
        try:
            result, facts = transport.bootstrap(
                address, key_file, config, oscmd)
            data['status'] = 'inactive'
            store.write(key, json.dumps(data))
        except:
            exc_type, exc_msg, tb = sys.exc_info()
            logger.warn('Unable to start bootstraping for {0}: {1}'.format(
                address, exc_msg))
            data['status'] = 'disassociated'
            store.write(key, json.dumps(data))
            clean_up_key(key_file)
            if run_once:
                break
            continue

        # Verify association with the container manager
        try:
            container_mgr = KubeContainerManager(config)
            # Try 3 times waiting 5 seconds each time before giving up
            for cnt in range(0, 3):
                if container_mgr.node_registered(address):
                    logger.info(
                        '{0} has been registered with the container manager.')
                    data['status'] = 'active'
                    break
                if cnt == 3:
                    msg = 'Could not register with the container manager'
                    logger.warn(msg)
                    raise Exception(msg)
                logger.debug(
                    '{0} has not been registered with the container manager. '
                    'Checking again in 5 seconds...'.format(address))
                sleep(5)
        except:
            _, exc_msg, _ = sys.exc_info()
            logger.warn(
                'Unable to finish bootstrap for {0} while associating with '
                'the container manager: {1}'.format(address, exc_msg))
            data['status'] = 'inactive'

        store.write(key, json.dumps(data))
        logger.info(
            'Finished bootstrapping for {0}'.format(address))
        logging.debug('Finished bootstrapping for {0}: {1}'.format(
            address, data))

        clean_up_key(key_file)
        if run_once:
            logger.info('Exiting due to run_once request.')
            break

    logger.info('Investigator stopping')
Example #5
0
def investigator(queue, config, store, run_once=False):
    """
    Investigates new hosts to retrieve and store facts.

    :param queue: Queue to pull work from.
    :type queue: gevent.queue.Queue
    :param config: Configuration information.
    :type config: commissaire.config.Config
    :param store: Data store to place results.
    :type store: etcd.Client
    """
    # TODO: Change this to be watch and etcd "queue" and kick off a function
    #       similar to clusterpoolexec
    logger = logging.getLogger("investigator")
    logger.info("Investigator started")

    transport = ansibleapi.Transport()
    while True:
        # Statuses follow:
        # http://commissaire.readthedocs.org/en/latest/enums.html#host-statuses
        to_investigate, ssh_priv_key = queue.get()
        address = to_investigate["address"]
        logger.info("{0} is now in investigating.".format(address))
        logger.debug("Investigation details: key={0}, data={1}".format(to_investigate, ssh_priv_key))

        f = tempfile.NamedTemporaryFile(prefix="key", delete=False)
        key_file = f.name
        logger.debug("Using {0} as the temporary key location for {1}".format(key_file, address))
        f.write(base64.decodestring(ssh_priv_key))
        logger.debug("Wrote key for {0}".format(address))
        f.close()

        key = "/commissaire/hosts/{0}".format(address)
        data = json.loads(store.get(key).value)

        try:
            result, facts = transport.get_info(address, key_file)
            data.update(facts)
            data["last_check"] = datetime.datetime.utcnow().isoformat()
            data["status"] = "bootstrapping"
            logger.info("Facts for {0} retrieved".format(address))
        except:
            logger.warn("Getting info failed for {0}".format(address))
            data["status"] = "failed"
            store.set(key, json.dumps(data))
            exc_type, exc_msg, tb = sys.exc_info()
            logger.debug("{0} Exception: {1}".format(address, exc_msg))
            clean_up_key(key_file)
            if run_once:
                break
            continue

        store.set(key, json.dumps(data))
        logger.info("Finished and stored investigation data for {0}".format(address))
        logger.debug("Finished investigation update for {0}: {1}".format(address, data))
        # --
        logger.info("{0} is now in bootstrapping".format(address))
        oscmd = get_oscmd(data["os"])()
        try:
            result, facts = transport.bootstrap(address, key_file, config, oscmd)
            data["status"] = "inactive"
            store.set(key, json.dumps(data))
        except:
            logger.warn("Unable to bootstrap {0}".format(address))
            exc_type, exc_msg, tb = sys.exc_info()
            logger.debug("{0} Exception: {1}".format(address, exc_msg))
            data["status"] = "disassociated"
            store.set(key, json.dumps(data))
            clean_up_key(key_file)
            if run_once:
                break
            continue

        # Verify association with the container manager
        try:
            container_mgr = KubeContainerManager(config)
            # Try 3 times waiting 5 seconds each time before giving up
            for cnt in range(0, 3):
                if container_mgr.node_registered(address):
                    logger.info("{0} has been registered with the container manager.")
                    data["status"] = "active"
                    break
                if cnt == 3:
                    raise Exception("Could not register with the container manager")
                logger.debug(
                    "{0} has not been registered with the container manager. "
                    "Checking again in 5 seconds...".format(address)
                )
                gevent.sleep(5)
        except:
            logger.warn("Unable to bootstrap {0}".format(address))
            exc = sys.exc_info()[0]
            logger.debug("{0} Exception: {1}".format(address, exc))
            data["status"] = "inactive"

        store.set(key, json.dumps(data))
        logger.info("Finished bootstrapping for {0}".format(address))
        logging.debug("Finished bootstrapping for {0}: {1}".format(address, data))

        clean_up_key(key_file)
        if run_once:
            logger.info("Exiting due to run_once request.")
            break

    logger.info("Investigator stopping")
def investigator(queue, config, run_once=False):
    """
    Investigates new hosts to retrieve and store facts.

    :param queue: Queue to pull work from.
    :type queue: Queue.Queue
    :param config: Configuration information.
    :type config: commissaire.config.Config
    """
    logger = logging.getLogger('investigator')
    logger.info('Investigator started')

    while True:
        # Statuses follow:
        # http://commissaire.readthedocs.org/en/latest/enums.html#host-statuses
        store_manager, to_investigate, ssh_priv_key, remote_user = queue.get()
        address = to_investigate['address']
        logger.info('{0} is now in investigating.'.format(address))
        logger.debug(
            'Investigation details: key={0}, data={1}, remote_user={2}'.format(
                to_investigate, ssh_priv_key, remote_user))

        transport = ansibleapi.Transport(remote_user)

        try:
            host = store_manager.get(
                Host(
                    address=address,
                    status='',
                    os='',
                    cpus=0,
                    memory=0,
                    space=0,
                    last_check='',
                    ssh_priv_key='',
                    remote_user=''))
            key = TemporarySSHKey(host, logger)
            key.create()
        except Exception as error:
            logger.warn(
                'Unable to continue for {0} due to '
                '{1}: {2}. Returning...'.format(address, type(error), error))
            key.remove()
            continue

        try:
            result, facts = transport.get_info(address, key.path)
            # recreate the host instance with new data
            data = json.loads(host.to_json(secure=True))
            data.update(facts)
            host = Host(**data)
            host.last_check = datetime.datetime.utcnow().isoformat()
            host.status = 'bootstrapping'
            logger.info('Facts for {0} retrieved'.format(address))
            logger.debug('Data: {0}'.format(host.to_json()))
        except:
            exc_type, exc_msg, tb = sys.exc_info()
            logger.warn('Getting info failed for {0}: {1}'.format(
                address, exc_msg))
            host.status = 'failed'
            store_manager.save(host)
            key.remove()
            if run_once:
                break
            continue

        store_manager.save(host)
        logger.info(
            'Finished and stored investigation data for {0}'.format(address))
        logger.debug('Finished investigation update for {0}: {1}'.format(
            address, host.to_json()))

        logger.info('{0} is now in bootstrapping'.format(address))
        oscmd = get_oscmd(host.os)
        try:
            result, facts = transport.bootstrap(
                address, key.path, config, oscmd, store_manager)
            host.status = 'inactive'
            store_manager.save(host)
        except:
            exc_type, exc_msg, tb = sys.exc_info()
            logger.warn('Unable to start bootstraping for {0}: {1}'.format(
                address, exc_msg))
            host.status = 'disassociated'
            store_manager.save(host)
            key.remove()
            if run_once:
                break
            continue

        host.status = cluster_type = C.CLUSTER_TYPE_HOST
        try:
            cluster = util.cluster_for_host(address, store_manager)
            cluster_type = cluster.type
        except KeyError:
            # Not part of a cluster
            pass

        # Verify association with the container manager
        if cluster_type == C.CLUSTER_TYPE_KUBERNETES:
            try:
                container_mgr = KubeContainerManager(config)
                # Try 3 times waiting 5 seconds each time before giving up
                for cnt in range(0, 3):
                    if container_mgr.node_registered(address):
                        logger.info(
                            '{0} has been registered with the '
                            'container manager.'.format(address))
                        host.status = 'active'
                        break
                    if cnt == 3:
                        msg = 'Could not register with the container manager'
                        logger.warn(msg)
                        raise Exception(msg)
                    logger.debug(
                        '{0} has not been registered with the container '
                        ' manager. Checking again in 5 seconds...'.format(
                            address))
                    sleep(5)
            except:
                _, exc_msg, _ = sys.exc_info()
                logger.warn(
                    'Unable to finish bootstrap for {0} while associating '
                    'with the container manager: {1}'.format(
                        address, exc_msg))
                host.status = 'inactive'

        store_manager.save(host)
        logger.info(
            'Finished bootstrapping for {0}'.format(address))
        logging.debug('Finished bootstrapping for {0}: {1}'.format(
            address, host.to_json()))

        key.remove()
        if run_once:
            logger.info('Exiting due to run_once request.')
            break

    logger.info('Investigator stopping')