# coding: utf-8

# Copyright (C) 1994-2018 Altair Engineering, Inc.
# For more information, contact Altair at www.altair.com.
#
# This file is part of the PBS Professional ("PBS Pro") software.
#
# Open Source License Information:
#
# PBS Pro is free software. You can redistribute it and/or modify it under the
# terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# PBS Pro is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.
# See the GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Commercial License Information:
#
# For a copy of the commercial license terms and conditions,
# go to: (http://www.pbspro.com/UserArea/agreement.html)
# or contact the Altair Legal Department.
#
# Altair’s dual-license business model allows companies, individuals, and
# organizations to create proprietary derivative works of PBS Pro and
# distribute them - whether embedded or bundled with other software -
# under a commercial license agreement.
#
# Use of Altair’s trademarks, including but not limited to "PBS™",
# "PBS Professional®", and "PBS Pro™" and Altair’s logos is subject to Altair's
# trademark licensing policies.

from tests.functional import *
import time


class TestReservations(TestFunctional):

    """
    Various tests to verify behavior of PBS scheduler in handling
    reservations
    """

    def submit_standing_reservation(self, user, select, rrule, start, end,
                                    place='free'):
        """
        helper method to submit a standing reservation
        """
        if 'PBS_TZID' in self.conf:
            tzone = self.conf['PBS_TZID']
        elif 'PBS_TZID' in os.environ:
            tzone = os.environ['PBS_TZID']
        else:
            self.logger.info('Missing timezone, using America/Los_Angeles')
            tzone = 'America/Los_Angeles'

        a = {'Resource_List.select': select,
             'Resource_List.place': place,
             ATTR_resv_rrule: rrule,
             ATTR_resv_timezone: tzone,
             'reserve_start': start,
             'reserve_end': end,
             }
        r = Reservation(user, a)

        return self.server.submit(r)

    def submit_asap_reservation(self, user, jid):
        """
        Helper method to submit an ASAP reservation
        """
        a = {ATTR_convert: jid}
        r = Reservation(user, a)

        # PTL's Reservation class sets the default ATTR_resv_start
        # and ATTR_resv_end.
        # But pbs_rsub: -Wqmove is not compatible with -R or -E option
        # So, unset these attributes from the reservation instance.
        r.unset_attributes(['reserve_start', 'reserve_end'])

        return self.server.submit(r)

    def test_degraded_standing_reservations(self):
        """
        Verify that degraded standing reservations are reconfirmed on
        other avaialable vnodes
        """

        a = {'reserve_retry_init': 5, 'reserve_retry_cutoff': 1}
        self.server.manager(MGR_CMD_SET, SERVER, a)

        a = {'resources_available.ncpus': 4}
        self.server.create_vnodes('vn', a, num=2, mom=self.mom)

        now = int(time.time())

        # submitting 25 seconds from now to allow some of the older testbed
        # systems time to process (discovered empirically)
        rid = self.submit_standing_reservation(user=TEST_USER,
                                               select='1:ncpus=4',
                                               rrule='FREQ=HOURLY;COUNT=3',
                                               start=now + 25,
                                               end=now + 45)

        a = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, a, id=rid)

        self.server.status(RESV, 'resv_nodes', id=rid)
        resv_node = self.server.reservations[rid].get_vnodes()[0]

        a = {'reserve_state': (MATCH_RE, 'RESV_RUNNING|5')}
        offset = 25 - (int(time.time()) - now)
        self.server.expect(RESV, a, id=rid, offset=offset, interval=1)

        a = {'state': 'offline'}
        self.server.manager(MGR_CMD_SET, NODE, a, id=resv_node)

        a = {'reserve_state': (MATCH_RE, 'RESV_RUNNING|5'),
             'reserve_substate': 10}
        self.server.expect(RESV, a, attrop=PTL_AND, id=rid)

        a = {'resources_available.ncpus': (GT, 0)}
        free_nodes = self.server.filter(NODE, a)
        nodes = free_nodes.values()[0]

        other_node = [nodes[0], nodes[1]][resv_node == nodes[0]]

        a = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2'),
             'resv_nodes': (MATCH_RE, re.escape(other_node))}
        offset = 45 - (int(time.time()) - now)
        self.server.expect(RESV, a, id=rid, interval=1, offset=offset,
                           attrop=PTL_AND)

    def test_not_honoring_resvs(self):
        """
        PBS schedules jobs on nodes without accounting
        for the reservation on the node
        """

        a = {'resources_available.ncpus': 4}
        self.server.create_vnodes('vn', a, 1, self.mom, usenatvnode=True)

        r1 = Reservation(TEST_USER)
        a = {'Resource_List.select': '1:ncpus=1', 'reserve_start': int(
            time.time() + 5), 'reserve_end': int(time.time() + 15)}
        r1.set_attributes(a)
        r1id = self.server.submit(r1)
        a = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, a, r1id)

        r2 = Reservation(TEST_USER)
        a = {'Resource_List.select': '1:ncpus=4', 'reserve_start': int(
            time.time() + 600), 'reserve_end': int(time.time() + 7800)}
        r2.set_attributes(a)
        r2id = self.server.submit(r2)
        a = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, a, r2id)

        r1_que = r1id.split('.')[0]
        for i in range(20):
            j = Job(TEST_USER)
            a = {'Resource_List.select': '1:ncpus=1',
                 'Resource_List.walltime': 10, 'queue': r1_que}
            j.set_attributes(a)
            self.server.submit(j)

        j1 = Job(TEST_USER)
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.walltime': 7200}
        j1.set_attributes(a)
        j1id = self.server.submit(j1)

        j2 = Job(TEST_USER)
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.walltime': 7200}
        j2.set_attributes(a)
        j2id = self.server.submit(j2)

        a = {'reserve_state': (MATCH_RE, "RESV_BEING_DELETED|7")}
        self.server.expect(RESV, a, id=r1id, interval=1)

        a = {'scheduling': 'True'}
        self.server.manager(MGR_CMD_SET, SERVER, a)

        self.server.expect(JOB, {'job_state': 'Q'}, id=j1id)
        self.server.expect(JOB, {'job_state': 'Q'}, id=j2id)

    def test_sched_cycle_starts_on_resv_end(self):
        """
        This test checks whether the sched cycle gets started
        when the advance reservation ends.
        """
        a = {'resources_available.ncpus': 2}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.mom.shortname,
                            expect=True, sudo=True)

        now = int(time.time())
        a = {'Resource_List.select': "1:ncpus=2",
             'reserve_start': now + 10,
             'reserve_end': now + 30,
             }
        r = Reservation(TEST_USER, a)
        rid = self.server.submit(r)

        a = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, a, rid)

        attr = {'Resource_List.walltime': '00:00:20'}
        j = Job(TEST_USER, attr)
        jid = self.server.submit(j)
        self.server.expect(JOB, {ATTR_state: 'Q'},
                           id=jid)
        msg = "Job would conflict with reservation or top job"
        self.server.expect(JOB, {ATTR_comment: "Not Running: " + msg}, id=jid)
        self.scheduler.log_match(
            jid + ";" + msg,
            max_attempts=30)

        a = {'reserve_state': (MATCH_RE, 'RESV_RUNNING|2')}
        self.server.expect(RESV, a, rid)

        resid = rid.split('.')[0]
        self.server.log_match(resid + ";deleted at request of pbs_server",
                              id=resid, interval=5)
        self.server.expect(JOB, {ATTR_state: 'R'}, id=jid)

    def test_exclusive_state(self):
        """
        Test that the resv-exclusive and job-exclusive
        states are approprately set
        """
        a = {'resources_available.ncpus': 1}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.mom.shortname,
                            sudo=True)

        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl', 'reserve_start': now + 30,
             'reserve_end': now + 3600}
        r = Reservation(TEST_USER, attrs=a)
        rid = self.server.submit(r)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid)

        self.logger.info('Waiting 30s for reservation to start')
        exp_attr['reserve_state'] = (MATCH_RE, 'RESV_RUNNING|5')
        self.server.expect(RESV, exp_attr, id=rid, offset=30)

        self.server.expect(NODE, {'state': 'resv-exclusive'},
                           id=self.server.shortname)

        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl', 'queue': rid.split('.')[0]}
        j = Job(TEST_USER, attrs=a)
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        n = self.server.status(NODE)
        states = n[0]['state'].split(',')
        self.assertIn('resv-exclusive', states)
        self.assertIn('job-exclusive', states)

    def test_resv_excl_future_resv(self):
        """
        Test to see that exclusive reservations in the near term do not
        interfere with longer term reservations
        """
        a = {'resources_available.ncpus': 1}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.mom.shortname,
                            sudo=True)

        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl', 'reserve_start': now + 30,
             'reserve_end': now + 3600}
        r1 = Reservation(TEST_USER, attrs=a)
        rid1 = self.server.submit(r1)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid1)

        a['reserve_start'] = now + 7200
        a['reserve_end'] = now + 10800
        r2 = Reservation(TEST_USER, attrs=a)
        rid2 = self.server.submit(r2)

        self.server.expect(RESV, exp_attr, id=rid2)

    def test_job_exceed_resv_end(self):
        """
        Test to see that a job when submitted to a reservation without the
        walltime would not show up as exceeding the reservation and
        making the scheduler reject future reservations.
        """

        a = {'resources_available.ncpus': 1}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.mom.shortname,
                            sudo=True)

        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'reserve_start': now + 30,
             'reserve_end': now + 300}
        r = Reservation(TEST_USER, attrs=a)
        rid = self.server.submit(r)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid)

        self.logger.info('Waiting 30s for reservation to start')
        exp_attr['reserve_state'] = (MATCH_RE, 'RESV_RUNNING|5')
        self.server.expect(RESV, exp_attr, id=rid, offset=30)

        # Submit a job but do not specify walltime, scheduler will consider
        # the walltime of such a job to be 5 years
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'queue': rid.split('.')[0]}
        j = Job(TEST_USER, attrs=a)
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        # Submit another reservation that will start after first
        a = {'Resource_List.select': '1:ncpus=1',
             'reserve_start': now + 360,
             'reserve_end': now + 3600}
        r2 = Reservation(TEST_USER, attrs=a)
        rid2 = self.server.submit(r2)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid2)

    def test_future_resv_conflicts_running_job(self):
        """
        Test if a running exclusive job without walltime will deny the future
        resv from getting confirmed.
        """

        now = int(time.time())
        # Submit a job but do not specify walltime, scheduler will consider
        # the walltime of such a job to be 5 years
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl'}
        j = Job(TEST_USER, attrs=a)
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        # Submit a reservation that will start after the job starts running
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'reserve_start': now + 360,
             'reserve_end': now + 3600}
        r1 = Reservation(TEST_USER, attrs=a)
        rid1 = self.server.submit(r1)

        self.server.log_match(rid1 + ";Reservation denied",
                              id=rid1, interval=5)

    def test_future_resv_confirms_after_running_job(self):
        """
        Test if a future reservation gets confirmed if its start time starts
        after the end time of a job running in an exclusive reservation
        """

        a = {'resources_available.ncpus': 1}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.mom.shortname,
                            sudo=True)

        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'reserve_start': now + 30,
             'reserve_end': now + 300}
        r = Reservation(TEST_USER, attrs=a)
        rid = self.server.submit(r)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid)

        self.logger.info('Waiting 30s for reservation to start')
        exp_attr['reserve_state'] = (MATCH_RE, 'RESV_RUNNING|5')
        self.server.expect(RESV, exp_attr, id=rid, offset=30)

        # Submit a job with walltime exceeding reservation duration
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'Resource_List.walltime': 600,
             'queue': rid.split('.')[0]}
        j = Job(TEST_USER, attrs=a)
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        # Submit another reservation that will start after the job ends
        a = {'Resource_List.select': '1:ncpus=1',
             'reserve_start': now + 630,
             'reserve_end': now + 3600}
        r2 = Reservation(TEST_USER, attrs=a)
        rid2 = self.server.submit(r2)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid2)

    def test_future_resv_confirms_before_non_excl_job(self):
        """
        Test if a future reservation gets confirmed if its start time starts
        before the end time of a non exclusive job running in an exclusive
        reservation.
        """

        a = {'resources_available.ncpus': 1}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.mom.shortname,
                            sudo=True)

        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'reserve_start': now + 30,
             'reserve_end': now + 300}
        r = Reservation(TEST_USER, attrs=a)
        rid = self.server.submit(r)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid)

        self.logger.info('Waiting 30s for reservation to start')
        exp_attr['reserve_state'] = (MATCH_RE, 'RESV_RUNNING|5')
        self.server.expect(RESV, exp_attr, id=rid, offset=30)

        # Submit a job with walltime exceeding reservation duration
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.walltime': 600,
             'queue': rid.split('.')[0]}
        j = Job(TEST_USER, attrs=a)
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        # Submit another reservation that will start after the first
        # reservation ends
        a = {'Resource_List.select': '1:ncpus=1',
             'reserve_start': now + 330,
             'reserve_end': now + 3600}
        r2 = Reservation(TEST_USER, attrs=a)
        rid2 = self.server.submit(r2)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid2)

    def test_future_resv_with_non_excl_jobs(self):
        """
        Test if future reservations with/without exclusive placement are
        confirmed if their start time starts before end time of non exclusive
        jobs that are running in reservation.
        """

        a = {'resources_available.ncpus': 1}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.mom.shortname,
                            sudo=True)

        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=1',
             'reserve_start': now + 30,
             'reserve_end': now + 300}
        r = Reservation(TEST_USER, attrs=a)
        rid = self.server.submit(r)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid)

        self.logger.info('Waiting 30s for reservation to start')
        exp_attr['reserve_state'] = (MATCH_RE, 'RESV_RUNNING|5')
        self.server.expect(RESV, exp_attr, id=rid, offset=30)

        # Submit a job with walltime exceeding reservation
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.walltime': 600,
             'queue': rid.split('.')[0]}
        j = Job(TEST_USER, attrs=a)
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        # Submit another non exclusive reservation that will start after
        # previous reservation ends but before job's walltime is over.
        a = {'Resource_List.select': '1:ncpus=1',
             'reserve_start': now + 330,
             'reserve_end': now + 3600}
        r2 = Reservation(TEST_USER, attrs=a)
        rid2 = self.server.submit(r2)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid2)

        self.server.delete(rid2)

        # Submit another exclusive reservation that will start after
        # previous reservation ends but before job's walltime is over.
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'reserve_start': now + 330,
             'reserve_end': now + 3600}
        r3 = Reservation(TEST_USER, attrs=a)
        rid3 = self.server.submit(r3)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid3)

    def test_resv_excl_with_jobs(self):
        """
        Test to see that exclusive reservations in the near term do not
        interfere with longer term reservations with jobs inside
        """
        a = {'resources_available.ncpus': 1}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.server.shortname)

        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl', 'reserve_start': now + 30,
             'reserve_end': now + 300}
        r = Reservation(TEST_USER, attrs=a)
        rid = self.server.submit(r)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid)

        self.logger.info('Waiting 30s for reservation to start')
        exp_attr['reserve_state'] = (MATCH_RE, 'RESV_RUNNING|5')
        self.server.expect(RESV, exp_attr, id=rid, offset=30)

        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'Resource_List.walltime': '30',
             'queue': rid.split('.')[0]}
        j = Job(TEST_USER, attrs=a)
        jid = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid)

        # Submit another reservation that will start after first
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl', 'reserve_start': now + 360,
             'reserve_end': now + 3600}
        r2 = Reservation(TEST_USER, attrs=a)
        rid2 = self.server.submit(r2)

        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid2)

    def test_resv_server_restart(self):
        """
        Test if a reservation correctly goes into the resv-exclusive state
        if the server is restarted between when the reservation gets
        confirmed and when it starts
        """
        now = int(time.time())
        start = now + 30
        a = {'reserve_start': start, 'reserve_end': start + 300,
             'Resource_List.select': '1:ncpus=1:vnode=' +
             self.server.shortname, 'Resource_List.place': 'excl'}

        r = Reservation(TEST_USER, a)
        rid = self.server.submit(r)
        a = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, a, id=rid)

        self.server.restart()

        sleep_time = start - int(time.time())

        self.logger.info('Waiting %d seconds till resv starts' % sleep_time)
        a = {'reserve_state': (MATCH_RE, 'RESV_RUNNING|5')}
        self.server.expect(RESV, a, id=rid, offset=sleep_time)

        self.server.expect(NODE, {'state': 'resv-exclusive'},
                           id=self.server.shortname)

    def test_multiple_asap_resv(self):
        """
        Test that multiple ASAP reservations are scheduled one after another
        """
        self.server.manager(MGR_CMD_SET, NODE,
                            {'resources_available.ncpus': 1},
                            id=self.server.shortname)

        job_attrs = {'Resource_List.select': '1:ncpus=1',
                     'Resource_List.walltime': '1:00:00'}
        j = Job(TEST_USER, attrs=job_attrs)
        jid1 = self.server.submit(j)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid1)

        s = self.server.status(JOB, 'stime', id=jid1)
        job_stime = int(time.mktime(time.strptime(s[0]['stime'], '%c')))

        j = Job(TEST_USER, attrs=job_attrs)
        jid2 = self.server.submit(j)
        self.server.expect(JOB, 'comment', op=SET, id=jid2)
        self.server.expect(JOB, {'job_state': 'Q'}, id=jid2)

        rid1 = self.submit_asap_reservation(TEST_USER, jid2)
        exp_attrs = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attrs, id=rid1)
        s = self.server.status(RESV, 'reserve_start', id=rid1)
        resv1_stime = int(time.mktime(
            time.strptime(s[0]['reserve_start'], '%c')))
        msg = 'ASAP reservation has incorrect start time'
        self.assertEqual(resv1_stime, job_stime + 3600, msg)

        j = Job(TEST_USER, attrs=job_attrs)
        jid3 = self.server.submit(j)
        self.server.expect(JOB, 'comment', op=SET, id=jid3)
        self.server.expect(JOB, {'job_state': 'Q'}, id=jid3)

        rid2 = self.submit_asap_reservation(TEST_USER, jid3)
        exp_attrs = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attrs, id=rid2)
        s = self.server.status(RESV, 'reserve_start', id=rid2)
        resv2_stime = int(time.mktime(
            time.strptime(s[0]['reserve_start'], '%c')))
        msg = 'ASAP reservation has incorrect start time'
        self.assertEqual(resv2_stime, resv1_stime + 3600, msg)

    def test_excl_asap_resv_before_longterm_resvs(self):
        """
        Test if an ASAP reservation created from an exclusive
        placement job does not interfere with subsequent long
        term advance and standing exclusive reservations
        """
        a = {'resources_available.ncpus': 1}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.mom.shortname)

        # Submit a job and let it run with available resources
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.walltime': 30}
        j1 = Job(TEST_USER, attrs=a)
        jid1 = self.server.submit(j1)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid1)

        # Submit a second job with exclusive node placement
        # and let it be queued
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.walltime': 300,
             'Resource_List.place': 'excl'}
        j2 = Job(TEST_USER, attrs=a)
        jid2 = self.server.submit(j2)
        self.server.expect(JOB, 'comment', op=SET, id=jid2)
        self.server.expect(JOB, {'job_state': 'Q'}, id=jid2)

        # Convert j2 into an ASAP reservation
        rid1 = self.submit_asap_reservation(user=TEST_USER,
                                            jid=jid2)
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid1)

        # Wait for the reservation to start
        self.logger.info('Waiting 30 seconds for reservation to start')
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_RUNNING|5")}
        self.server.expect(RESV, exp_attr, id=rid1, offset=30)

        # Submit a long term reservation with exclusive node
        # placement when rid1 is running
        # This reservation should be confirmed
        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'reserve_start': now + 3600,
             'reserve_end': now + 3605}
        r2 = Reservation(TEST_USER, attrs=a)
        rid2 = self.server.submit(r2)
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid2)

        # Submit a long term standing reservation with exclusive node
        # placement when rid1 is running
        # This reservation should also be confirmed
        now = int(time.time())
        rid3 = self.submit_standing_reservation(user=TEST_USER,
                                                select='1:ncpus=1',
                                                place='excl',
                                                rrule='FREQ=HOURLY;COUNT=3',
                                                start=now + 7200,
                                                end=now + 7205)
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid3)

    def test_excl_asap_resv_after_longterm_resvs(self):
        """
        Test if an exclusive ASAP reservation created from an exclusive
        placement job does not interfere with already existing long term
        exclusive reservations.
        Also, test if future exclusive reservations are successful when
        the ASAP reservation is running.
        """
        a = {'resources_available.ncpus': 1}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.mom.shortname)

        # Submit a long term advance reservation with exclusive node
        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'reserve_start': now + 360,
             'reserve_end': now + 365}
        r1 = Reservation(TEST_USER, attrs=a)
        rid1 = self.server.submit(r1)
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid1)

        # Submit a long term standing reservation with exclusive node
        now = int(time.time())
        rid2 = self.submit_standing_reservation(user=TEST_USER,
                                                select='1:ncpus=1',
                                                place='excl',
                                                rrule='FREQ=HOURLY;COUNT=3',
                                                start=now + 3600,
                                                end=now + 3605)
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid2)

        # Submit a job and let it run with available resources
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.walltime': 30}
        j1 = Job(TEST_USER, attrs=a)
        jid1 = self.server.submit(j1)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid1)

        # Submit a second job with exclusive node placement
        # and let it be queued
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.walltime': 300,
             'Resource_List.place': 'excl'}
        j2 = Job(TEST_USER, attrs=a)
        jid2 = self.server.submit(j2)
        self.server.expect(JOB, 'comment', op=SET, id=jid2)
        self.server.expect(JOB, {'job_state': 'Q'}, id=jid2)

        # Convert j2 into an ASAP reservation
        rid1 = self.submit_asap_reservation(user=TEST_USER,
                                            jid=jid2)

        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid1)

        # Wait for the reservation to start
        self.logger.info('Waiting 30 seconds for reservation to start')
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_RUNNING|5")}
        self.server.expect(RESV, exp_attr, id=rid1, offset=30)

        # Submit a long term reservation with exclusive node
        # placement when rid1 is running
        # This reservation should be confirmed
        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=1',
             'Resource_List.place': 'excl',
             'reserve_start': now + 3600,
             'reserve_end': now + 3605}
        r3 = Reservation(TEST_USER, attrs=a)
        rid3 = self.server.submit(r3)
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid3)

    def test_multi_vnode_excl_advance_resvs(self):
        """
        Test if long term exclusive reservations do not interfere
        with current reservations on a multi-vnoded host
        """
        a = {'resources_available.ncpus': 4}
        self.server.create_vnodes('vn', a, num=3, mom=self.mom)

        # Submit a long term standing reservation with
        # exclusive nodes.
        now = int(time.time())
        rid1 = self.submit_standing_reservation(user=TEST_USER,
                                                select='1:ncpus=9',
                                                place='excl',
                                                rrule='FREQ=HOURLY;COUNT=3',
                                                start=now + 7200,
                                                end=now + 7205)
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid1)

        # Submit a long term advance reservation with exclusive node
        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=10',
             'Resource_List.place': 'excl',
             'reserve_start': now + 3600,
             'reserve_end': now + 3605}
        r2 = Reservation(TEST_USER, attrs=a)
        rid2 = self.server.submit(r2)
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid2)

        # Submit a short term reservation requesting all the nodes
        # exclusively
        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=12',
             'Resource_List.place': 'excl',
             'reserve_start': now + 20,
             'reserve_end': now + 100}
        r3 = Reservation(TEST_USER, attrs=a)
        rid3 = self.server.submit(r3)
        exp_attr = {'reserve_state': (MATCH_RE, 'RESV_CONFIRMED|2')}
        self.server.expect(RESV, exp_attr, id=rid3)

        exp_attr['reserve_state'] = (MATCH_RE, 'RESV_RUNNING|5')
        self.server.expect(RESV, exp_attr, id=rid3, offset=30)

    def test_multi_vnode_excl_asap_resv(self):
        """
        Test if an ASAP reservation created from a excl placement
        job does not interfere with future multinode exclusive
        reservations on a multi-vnoded host
        """
        a = {'resources_available.ncpus': 4}
        self.server.create_vnodes('vn', a, num=3, mom=self.mom)

        # Submit 3 exclusive jobs, so all the nodes are busy
        # j1 requesting 4 cpus, j2 requesting 4 cpus and j3
        # requesting 5 cpus
        a = {'Resource_List.select': '1:ncpus=4',
             'Resource_List.place': 'excl',
             'Resource_List.walltime': 30}
        j1 = Job(TEST_USER, attrs=a)
        jid1 = self.server.submit(j1)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid1)

        a['Resource_List.walltime'] = 400
        j2 = Job(TEST_USER, attrs=a)
        jid2 = self.server.submit(j2)
        self.server.expect(JOB, {'job_state': 'R'}, id=jid2)

        a = {'Resource_List.select': '1:ncpus=5',
             'Resource_List.place': 'excl',
             'Resource_List.walltime': 100}
        j3 = Job(TEST_USER, attrs=a)
        jid3 = self.server.submit(j3)
        self.server.expect(JOB, 'comment', op=SET, id=jid3)
        self.server.expect(JOB, {'job_state': 'Q'}, id=jid3)

        # Convert J3 to ASAP reservation
        rid1 = self.submit_asap_reservation(user=TEST_USER,
                                            jid=jid3)

        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid1)

        # Wait for the reservation to start
        self.logger.info('Waiting 30 seconds for reservation to start')
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_RUNNING|5")}
        self.server.expect(RESV, exp_attr, id=rid1, offset=30)

        # Submit a long term reservation with exclusive node
        # placement when rid1 is running (requesting all nodes)
        # This reservation should be confirmed
        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=12',
             'Resource_List.place': 'excl',
             'reserve_start': now + 3600,
             'reserve_end': now + 3605}
        r2 = Reservation(TEST_USER, attrs=a)
        rid2 = self.server.submit(r2)
        exp_attr = {'reserve_state': (MATCH_RE, "RESV_CONFIRMED|2")}
        self.server.expect(RESV, exp_attr, id=rid2)

    def test_fail_confirm_resv_message(self):
        """
        Test if the scheduler fails to reserve a
        reservation, the reason will be logged.
        """
        a = {'resources_available.ncpus': 1}
        self.server.manager(MGR_CMD_SET, NODE, a, id=self.mom.shortname)

        # Submit a long term advance reservation that will be denied
        now = int(time.time())
        a = {'Resource_List.select': '1:ncpus=10',
             'reserve_start': now + 360,
             'reserve_end': now + 365}
        rid = self.server.submit(Reservation(TEST_USER, attrs=a))
        self.server.log_match(rid + ";Reservation denied",
                              id=rid, interval=5)
        # The scheduler should log reason why it was denied
        self.scheduler.log_match(rid + ";PBS Failed to confirm resv: " +
                                 "Insufficient amount of resource: ncpus")