test_SDP.py #58

#!/usr/bin/env python3
# -*- encoding: UTF8 -*-

# test_SDP.py
# Tests SDP (Server Deployment Package) on Linux VMs
# Intended to be run from with a Docker container.
# See documentation and run_tests.sh in /sdp/main/test/README.md

from __future__ import print_function

import argparse
import fileinput
import glob
import logging
import os
import pwd
import re
import socket
import stat
import subprocess
import sys
import time
import unittest

import P4

LOGGER_NAME = 'SDPTest'
mkdirs_script = '/hxdepots/sdp/Server/Unix/setup/mkdirs.sh'
mkdirs_config = '/hxdepots/sdp/Server/Unix/setup/mkdirs.cfg'

MAILTO = 'mailto-admin@example.com'
MAILFROM = 'mailfrom-admin@example.com'

logger = logging.getLogger(LOGGER_NAME)

options = None

class NotSudo(Exception):
    pass

def get_host_ipaddress():
    try:
        address = socket.gethostbyname(socket.gethostname())
        # On my system, this always gives me 127.0.0.1. Hence...
    except:
        address = ''
    if not address or address.startswith('127.'):
        # ...the hard way.
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        s.connect(('4.2.2.1', 0))
        address = s.getsockname()[0]
        s.detach()
    logger.debug('IPAddress: %s' % address)
    return address

def init_logging():
    global logger
    logger.setLevel(logging.DEBUG)
    formatter = logging.Formatter('%(asctime)s:%(name)s:%(levelname)s: %(message)s')
    fh = logging.FileHandler('/tmp/%s.log' % LOGGER_NAME, mode='w')
    fh.setLevel(logging.DEBUG)
    fh.setFormatter(formatter)
    logger.addHandler(fh)

def do_unlink(filename):
    "Unlink file if it exists"
    if os.path.lexists(filename):
        os.unlink(filename)

def substitute_unix_vars(line, instance, port):
    line = line.rstrip()
    if line.startswith('export MAILTO='):
        print("export MAILTO=%s" % MAILTO)
    elif line.startswith('export SSL_PREFIX=ssl:'):
        print("export SSL_PREFIX=")
    elif line.startswith('export MAILFROM='):
        print("export MAILFROM=%s" % MAILFROM)
    elif line.startswith('export P4PORTNUM='):
        print("export P4PORTNUM=%s" % port)
    elif line.startswith('export KEEPLOGS='):
        print("export KEEPLOGS=3")
    elif line.startswith('export KEEPCKPS='):
        print("export KEEPCKPS=3")
    elif line.startswith('export KEEPJNLS='):
        print("export KEEPJNLS=3")
    else:
        print(line)
    
def configure_p4_vars(instance, port):
    "Configure p4_vars"
    for line in fileinput.input('/p4/common/bin/p4_vars', inplace=True):
        substitute_unix_vars(line, instance, port)

def configure_instance_vars(instance, port):
    "Configure instance vars"
    for line in fileinput.input('/p4/common/config/p4_%s.vars' % instance, inplace=True):
        substitute_unix_vars(line, instance, port)

class SDPTest_base(unittest.TestCase):
    "Generic test class for others to inherit"

    def assertLinePresent(self, line, output):
        "Asserts regex line present in output"
        re_line = re.compile(line, re.MULTILINE)
        self.assertTrue(re_line.search(output), "%s not found in:\n%s" % (line, output))

    def assertLineNotPresent(self, line, output):
        "Asserts regex line NOT present in output"
        re_line = re.compile(line, re.MULTILINE)
        self.assertFalse(re_line.search(output), "%s found in:\n%s" % (line, output))
 
    def setup_everything(self):
        if 'perforce' != pwd.getpwuid(os.getuid())[0]:
            raise Exception("This test harness should be run as user 'perforce'")
        try:
            subprocess.check_call("sudo ls > /dev/null", shell=True, timeout=20)
        except Exception:
            raise NotSudo("This test harness must be run as user perforce with sudo privileges or it will not work")

    def setUp(self):
        self.setup_everything()

    def run_test(self):
        pass

    def run_cmd(self, cmd, get_output=True, timeout=35, stop_on_error=True):
        "Run cmd logging input and output"
        output = ""
        try:
            logger.debug("Running: %s" % cmd)
            if get_output:
                p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True, shell=True)
                output, _ = p.communicate(timeout=timeout)
                rc = p.returncode
                logger.debug("Output:\n%s" % output)
            else:
                result = subprocess.check_call(cmd, stderr=subprocess.STDOUT, shell=True, timeout=timeout)
                logger.debug('Result: %d' % result)
        except subprocess.CalledProcessError as e:
            logger.debug("Output: %s" % e.output)
            if stop_on_error:
                msg = 'Failed sudo_cmd: %d %s' % (e.returncode, str(e))
                logger.debug(msg)
                self.fail(msg)
        except Exception as e:
            logger.debug("Output: %s" % output)
            if stop_on_error:
                msg = 'Failed sudo_cmd: %s' % str(e)
                logger.debug(msg)
                self.fail(msg)
        return output

    def sudo_cmd(self, cmd, get_output=True, stop_on_error=True):
        "Run cmd with sudo"
        output = self.run_cmd("sudo %s" % cmd, get_output=get_output, stop_on_error=stop_on_error)
        return output

    def configure_mkdirs(self, instance):
        "Configure mkdirs.cfg with a couple of key variables"
        ipaddr = get_host_ipaddress()
        for line in fileinput.input(mkdirs_config, inplace=True):
            line = line.rstrip()
            if line.startswith('P4DNSNAME'):
                print("P4DNSNAME=%s" % ipaddr)
            elif line.startswith('P4MASTER='):
                print("P4MASTER=%s" % ipaddr)
            elif line.startswith('P4ADMINPASS'):
                print("P4ADMINPASS=Password1")
            elif line.startswith('MASTERINSTANCE'):
                print("MASTERINSTANCE=%s" % instance)
            elif line.startswith('HOST_IP'):
                print("HOST_IP=%s" % ipaddr)
            else:
                print(line)

    def run_mkdirs(self, instance, testArg=""):
        "Runs the mkdirs script"
        cmd = "%s %s %s" % (mkdirs_script, instance, testArg)
        output = self.sudo_cmd(cmd)
        valid_lines = ["Verified: Running as root",
                    r"Warning: \(line: \d+\) No p4p in /hxdepots/sdp/Server/Unix/p4/common/bin",
                    r"Warning: \(line: \d+\) No p4broker in /hxdepots/sdp/Server/Unix/p4/common/bin",
                    "Verified: Preflight checks passed.",
                    "Setting permissions on depot files - this may take some time \.\.\.",
                    "Setting ownership on depot files - this may take some time \.\.\.",
                    "It is recommended that the perforce's umask be changed to 0026 to block world access to Perforce files\.",
                    "Add umask 0026 to perforce's \.bash_profile to make this change\.",
                    "\*+  \-test specified \- will install to /tmp/p4  \*+",
                    "This was done in TEST mode \- please run the following command to see any changes should be",
                    "applied to your live environment \(manually\):",
                    "diff \-r /p4/1/bin /tmp/p4/1/bin",
                    "diff \-r /p4/master/bin /tmp/p4/master/bin",
                    "diff \-r /p4/common /tmp/p4/common",
                    "If upgrading an older SDP version then be careful to ensure files in /p4/common/config are correct",
                    "and update that /p4/common/bin/p4_vars is appropriate\."]
        re_lines = [re.compile(x) for x in valid_lines]
        for line in output.split('\n'):
            line = line.strip()
            if not line:
                continue
            found = False
            for re_line in re_lines:
                if re_line.search(line):
                    found = True
                    break
            if not found:
                self.fail('Unexpected line in mkdirs output:\n%s\noutput:\n%s' % (line, output))

    def readLog(self, log_name, instance):
        "Read the appropriate log file contents"
        with open('/p4/%s/logs/%s' % (instance, log_name), 'r') as fh:
            log_contents = fh.read()
        return log_contents

#--- Test Cases

class configure_master(SDPTest_base):

    def check_dirs(self, rootdir, dirlist):
        "Checks specified directories are present"
        found_dirs = self.run_cmd("find %s -type d" % rootdir, stop_on_error=False).split()
        for d in [x.strip() for x in dirlist.split()]:
            self.assertIn(d, found_dirs)

    def check_dirs_exactly(self, rootdir, dirlist):
        "Checks specified directories and only those are present"
        found_dirs = self.run_cmd("find %s -type d" % rootdir, stop_on_error=False).split()
        dirs = [x.strip() for x in dirlist.split()]
        for d in dirs:
            self.assertIn(d, found_dirs)
        for d in found_dirs:
            self.assertIn(d, dirs)

    def p4service(self, cmd, instance, stop_on_error=True):
        "Start or stop service"
        self.run_cmd("/p4/%s/bin/p4d_%s_init %s" % (instance, instance, cmd), get_output=False, stop_on_error=stop_on_error)

    def remove_test_dirs(self, instances):
        "Remove all appropriate directories created"
        dirs_to_remove = "/hxdepots/sdp /hxdepots/p4 /hxmetadata1/p4 /hxmetadata2/p4 /hxlogs/p4".split()
        for instance in instances:
            dirs_to_remove.append("/p4/%s" % instance)
        for d in dirs_to_remove:
            if os.path.exists(d):
                self.sudo_cmd("rm -rf %s" % d)
        for instance in instances:
            for f in ["/p4/common"]:
                if os.path.lexists(f):
                    self.sudo_cmd("unlink %s" % f)

    def liveCheckpointTest(self, instance):
        "Test live checkpoint script"
        self.assertFalse(os.path.exists('/p4/%s/offline_db/db.domain' % instance))
        self.run_cmd('/p4/common/bin/live_checkpoint.sh %s' % instance)
        # Quick check on c=log file contents
        log_contents = self.readLog('checkpoint.log', instance)
        self.assertRegex(log_contents, "Checkpointing to /p4/%s/checkpoints/p4_%s.ckp" % (instance, instance))
        self.assertRegex(log_contents, "journal")
        # Make sure offline db is present
        self.assertTrue(os.path.exists('/p4/%s/offline_db/db.domain' % instance))

    def recreateOfflineDBTest(self, instance):
        "Test recreate_offline_db script"
        self.assertTrue(os.path.exists('/p4/%s/offline_db/db.domain' % instance))
        self.sudo_cmd("rm -rf /p4/%s/offline_db/db.*" % instance)
        self.run_cmd('/p4/common/bin/recreate_offline_db.sh %s' % instance)
        # Quick check on log file contents
        logPattern = '/p4/%s/logs/recreate_offline_db.log.*' % instance
        logfiles = glob.glob(logPattern)
        self.assertEqual(1, len(logfiles))
        log_contents = self.readLog(os.path.basename(logfiles[0]), instance)
        self.assertRegex(log_contents, "Start p4_%s recreate of offline db" % (instance))
        self.assertRegex(log_contents, "Recovering from /p4/%s/checkpoints/p4_%s.ckp" % (
            instance, instance))
        # Make sure offline db is present
        self.assertTrue(os.path.exists('/p4/%s/offline_db/db.domain' % instance))

    def failedDailyBackupTest(self, instance):
        "Test daily backup script - expected to fail due to lack of offline db"
        logger.debug("failedDailyBackupTest")
        jnl_counter = self.p4run('counter', 'journal')[0]['value']
        self.run_cmd('/p4/common/bin/daily_checkpoint.sh %s' % instance, stop_on_error=False)
        # Quick check on c=log file contents
        log_contents = self.readLog('checkpoint.log', instance)
        self.assertRegex(log_contents, "Offline database not in a usable state")
        new_jnl_counter = self.p4run('counter', 'journal')[0]['value']
        self.assertEqual(int(new_jnl_counter), int(jnl_counter))

    def dailyBackupTest(self, instance):
        "Test daily backup script"
        jnl_counter = self.p4run('counter', 'journal')[0]['value']
        logger.debug("dailyBackupTest")
        self.run_cmd('/p4/common/bin/daily_checkpoint.sh %s' % instance)
        # Quick check on log file contents
        log_contents = self.readLog('checkpoint.log', instance)
        self.assertRegex(log_contents, "Dumping to /p4/%s/checkpoints/p4_%s.ckp" % (instance, instance))
        self.assertRegex(log_contents, "journal")
        new_jnl_counter = self.p4run('counter', 'journal')[0]['value']
        self.assertEqual(int(new_jnl_counter), int(jnl_counter) + 1)

    def verifyTest(self, instance):
        "Test verify script"
        logger.debug("verifyTest")
        verify_cmd = '/p4/common/bin/p4verify.sh %s' % instance
        self.run_cmd(verify_cmd)
        log_contents = self.readLog('p4verify.log', instance)

        for depot in ["depot", "specs"]:
            verify_ok = re.compile("verify -qz //%s/...\nexit: 0" % depot, re.MULTILINE)
            self.assertRegex(log_contents, verify_ok)

        # Make sure we check for shelves in the 'depot' depot.
        verify_ok = re.compile("verify -qS //depot/...\nexit: 0", re.MULTILINE)

        # Check that we use '-U' for unload depot, and do not do -qS (as there are no shelves
        # in an unload depot). Also, we expect errors about their not being any files in the
        # unload depot.
        verify_ok = re.compile("verify -U -q //unload/...\nerror: //unload/... - no such unloaded", re.MULTILINE)
        self.assertRegex(log_contents, verify_ok)

        # Streams depot doesn't have any files so gives an error - we just search for it
        verify_ok = re.compile("verify -qz //streams/...\nexit: 0", re.MULTILINE)
        self.assertRegex(log_contents, verify_ok)

        # Now create verify errors and make sure we see them
        orig_depot_name = '/p4/%s/depots/depot' % instance
        new_depot_name = orig_depot_name + '.new'
        os.rename(orig_depot_name, new_depot_name)
        self.run_cmd(verify_cmd, stop_on_error=False)
        log_contents = self.readLog('p4verify.log', instance)
        for depot in ["depot"]:
            verify_ok = re.compile("verify -qz //%s/...\nerror: [^\n]*MISSING!\nexit: 1" % depot, re.MULTILINE)
            self.assertRegex(log_contents, verify_ok)
        # Rename things back again and all should be well!
        os.rename(new_depot_name, orig_depot_name)
        time.sleep(1)    # Make sure verify log is OK.
        self.run_cmd(verify_cmd, stop_on_error=True)
        log_contents = self.readLog('p4verify.log', instance)
        for depot in ["depot", "specs"]:
            verify_ok = re.compile("verify -qz //%s/...\nexit: 0" % depot, re.MULTILINE)
            self.assertRegex(log_contents, verify_ok)

    def verifyVerify(self, instance):
        "Test verify_sdp.sh script"
        logger.debug("verifyVerify")
        verify_cmd = '/p4/common/bin/verify_sdp.sh %s' % instance
        self.run_cmd(verify_cmd)
        # Quick check on log file contents
        log_contents = self.readLog('verify_sdp.log', instance)
        self.assertRegex(log_contents, "ALL CLEAN: \d+ verifications completed OK")

    def verifyJournalCorruption(self, instance):
        "Test server restart detetcts journal corruption"
        logger.debug("verifyJournalCorruption")
        self.p4service("stop", instance)
        self.p4service("start", instance)
        self.p4.disconnect()
        self.connectP4(self.p4)
        jnl_counter = self.p4run('counter', 'journal')[0]['value']
        log_contents = self.readLog('p4d_init.log', instance)
        self.assertNotRegex(log_contents, "Error: Corrupt end of journal detected")
        self.p4service("stop", instance)
        fname = '/p4/%s/logs/journal' % instance
        with open(fname, 'a') as fh:
            fh.write('corruption journal data\n')
        self.p4service("start", instance)
        self.p4.disconnect()
        self.connectP4(self.p4)
        # Quick check on log file contents
        log_contents = self.readLog('p4d_init.log', instance)
        self.assertRegex(log_contents, "Error: Corrupt end of journal detected")
        new_jnl_counter = self.p4run('counter', 'journal')[0]['value']
        self.assertEqual(int(new_jnl_counter), int(jnl_counter) + 1)


    def configureServer(self, instance):
        "Set various configurables for master"
        configurables = """
            security=3
            auth.id=p4_auth
            run.users.authorize=1
            db.peeking=2
            dm.user.noautocreate=2
            dm.user.resetpassword=1
            filesys.P4ROOT.min=1G
            filesys.depot.min=1G
            filesys.P4JOURNAL.min=1G
            server=3
            net.tcpsize=256k
            lbr.bufsize=256k
            server.commandlimits=2
            serverlog.retain.3=7
            serverlog.retain.7=7
            serverlog.retain.8=7""".split("\n")
        instance_configurables = """
            journalPrefix=/p4/SDP_INSTANCE/checkpoints/p4_SDP_INSTANCE
            server.depot.root=/p4/SDP_INSTANCE/depots
            serverlog.file.3=/p4/SDP_INSTANCE/logs/errors.csv
            serverlog.file.7=/p4/SDP_INSTANCE/logs/events.csv
            serverlog.file.8=/p4/SDP_INSTANCE/logs/integrity.csv""".split("\n")
        for c in [x.strip() for x in configurables]:
            if c:
                self.p4run("configure", "set", c)
        for ic in instance_configurables:
            ic = ic.strip()
            if ic:
                self.p4run("configure", "set", ic.replace("SDP_INSTANCE", instance))

    def configureReplication(self):
        "Configures stuff required for replication"

    def p4run(self, *args):
        "Run the command logging"
        logger.debug('p4 cmd: %s' % ",".join([str(x) for x in args]))
        result = self.p4.run(args)
        logger.debug('result: %s' % str(result))
        return result

    def resetTest(self, instances):
        for instance in instances:
            self.sudo_cmd("ps -ef | grep p4d_%s | awk '{print $2}' | xargs kill > /dev/null 2>&1" % instance, stop_on_error=False)
        self.remove_test_dirs(instances)
        self.sudo_cmd("cp -R /sdp /hxdepots/sdp")
        self.sudo_cmd("rm -rf /tmp/p4")
        self.sudo_cmd("sudo chown -R perforce:perforce /hxdepots/sdp")
        for f in ["/p4/p4.crontab", "/p4/p4.crontab.replica", "/p4/p4.crontab.edge",
                  "/tmp/p4/p4.crontab", "/tmp/p4/p4.crontab.replica", "/tmp/p4/p4.crontab.edge"]:
            if os.path.exists(f):
                os.remove(f)
        for instance in instances:
            d = "/p4/%s" % instance
            if os.path.exists(d):
                self.sudo_cmd("rm -rf %s" % d)
            if os.path.exists(d.lower()):
                self.sudo_cmd("rm -rf %s" % d.lower())

    def mkdirsTest(self, instance):
        "Runs mkdirs with -test option and makes sure all is OK"
        # Stop the Perforce service if currently running from a previous run in case it is accessing dirs
        self.resetTest(instance)
        self.configure_mkdirs(instance)
        self.run_mkdirs(instance, "-test")
        # Check dirs are empty
        self.check_dirs('/hxdepots', '/hxdepots')
        self.check_dirs_exactly('/hxlogs', '/hxlogs')
        self.check_dirs_exactly('/hxmetadata1', '/hxmetadata1')
        self.check_dirs_exactly('/hxmetadata2', '/hxmetadata2')
        # But temp dirs are there
        dir_list = """
            /tmp/p4
            /tmp/p4/common
            /tmp/p4/common/bin
            /tmp/p4/common/bin/triggers
            /tmp/p4/common/lib""".replace("SDP_INSTANCE", instance)
        self.check_dirs('/tmp/p4', dir_list)
        dir_list = """
            /tmp/p4/SDP_INSTANCE/bin""".replace("SDP_INSTANCE", instance)
        self.check_dirs('/tmp/p4/SDP_INSTANCE/'.replace("SDP_INSTANCE", instance), dir_list)

    def configureInstance(self, instance, port):
        "Configure the master instance"
        # Stop the Perforce service if currently running from a previous run in case it is accessing dirs
        self.resetTest(instance)
        self.configure_mkdirs(instance)
        self.run_mkdirs(instance)
        depotdata_dir_list = """
            /hxdepots/p4
            /hxdepots/p4/common
            /hxdepots/p4/common/bin
            /hxdepots/p4/common/bin/triggers
            /hxdepots/p4/common/lib
            /hxdepots/p4/SDP_INSTANCE
            /hxdepots/p4/SDP_INSTANCE/depots
            /hxdepots/p4/SDP_INSTANCE/checkpoints""".replace("SDP_INSTANCE", instance)
        logdata_dir_list = """
            /hxlogs
            /hxlogs/p4
            /hxlogs/p4/SDP_INSTANCE
            /hxlogs/p4/SDP_INSTANCE/tmp
            /hxlogs/p4/SDP_INSTANCE/logs""".replace("SDP_INSTANCE", instance)
        metadata1_dir_list = """
            /hxmetadata1
            /hxmetadata1/p4
            /hxmetadata1/p4/SDP_INSTANCE
            /hxmetadata1/p4/SDP_INSTANCE/db1
            /hxmetadata1/p4/SDP_INSTANCE/db1/save""".replace("SDP_INSTANCE", instance)
        metadata2_dir_list = """
            /hxmetadata2
            /hxmetadata2/p4
            /hxmetadata2/p4/SDP_INSTANCE
            /hxmetadata2/p4/SDP_INSTANCE/db2
            /hxmetadata2/p4/SDP_INSTANCE/db2/save""".replace("SDP_INSTANCE", instance)
        p4_dir_list = """
            /p4/SDP_INSTANCE/bin""".replace("SDP_INSTANCE", instance)
        self.check_dirs('/hxdepots', depotdata_dir_list)
        self.check_dirs('/hxlogs', logdata_dir_list)
        self.check_dirs('/hxmetadata1', metadata1_dir_list)
        self.check_dirs('/hxmetadata2', metadata2_dir_list)
        self.check_dirs('/p4', p4_dir_list)
        configure_instance_vars(instance, port)
        configure_p4_vars(instance, port)

    def assertLogCount(self, expected, logPattern):
        logger.debug("Looking for logs: %s" % logPattern)
        logs = glob.glob(logPattern)
        self.assertEqual(3, len(logs))

    def configure_master_p4d_instance(self, p4, instance):
        # Create our user and set password
        logger.debug('Creating user and setting password')

        # Create our user and set password
        user = p4.fetch_user('perforce')
        p4.save_user(user)
        p4.run_password('Password1', 'Password1')
        p4.password = 'Password1'
        p4.run_login()
        # Make him superuser
        prot = p4.fetch_protect()
        p4.save_protect(prot)

        # Things to setup
        # - create spec depot
        # - create a workspace and add at least one file
        # - configure the various tunables
        # - create server definitions - master and replica
        # - create service user for replica
        p4.run('configure', 'set', 'server.depot.root=/p4/%s/depots' % instance)
        p4.run('admin', 'restart')
        p4.disconnect() # New depot won't show up unless we do this 
        time.sleep(1)
        self.connectP4(p4)
        if instance == 'master':
            if not os.path.lexists("/p4/%s" % instance.lower()):
                self.run_cmd("ln -s /p4/%s /p4/%s" % (instance, instance.lower()))
		
        depot = p4.fetch_depot('specs')
        self.assertEqual(depot['Map'], 'specs/...')
        depot['Type'] = 'spec'
        p4.save_depot(depot)

        depot = p4.fetch_depot('unload')
        self.assertEqual(depot['Map'], 'unload/...')
        depot['Type'] = 'unload'
        p4.save_depot(depot)

        depot = p4.fetch_depot('archive')
        self.assertEqual(depot['Map'], 'archive/...')
        depot['Type'] = 'archive'
        p4.save_depot(depot)

        depot = p4.fetch_depot('streams')
        self.assertEqual(depot['Map'], 'streams/...')
        depot['Type'] = 'stream'
        p4.save_depot(depot)

        p4.disconnect() # New depot won't show up unless we do this 
        self.connectP4(p4)

        depots = p4.run_depots()
        self.assertEqual(5, len(depots))

        ws_name = 'test_ws'
        ws = p4.fetch_client(ws_name)
        ws['Root'] = '/tmp/test_ws'
        ws['View'] = ['//depot/main/... //%s/...' % ws_name]
        p4.save_client(ws)
        p4.client = ws_name

        if not os.path.exists(ws['Root']):
            os.mkdir(ws['Root'])
        fname = '/tmp/%s/file1' % ws_name
        if os.path.exists(fname):
            os.chmod(fname, stat.S_IWRITE)
            os.unlink(fname)
        with open(fname, 'w') as fh:
            fh.write('test data\n')
        p4.run_add(fname)
        chg = p4.fetch_change()
        chg['Description'] = 'Initial file'
        p4.save_submit(chg)

        changes = p4.run_changes()
        self.assertEqual(1, len(changes))

    def connectP4(self, p4):
        # Connect with retries
        retries = 10
        for i in range(retries):
            try:
                p4.connect()
                break
            except:
                logger.debug("sleeping to connect - retry %d" % i)
                time.sleep(1)
        if not p4.connected():
            self.fail("failed to connect to server after %d retries" % retries)

    def instanceSetup(self, instance, port, test_daily=False):
        # Start instance and do the basics
        self.p4service("start", instance)

        p4 = P4.P4()
        self.p4 = p4
        p4.port = 'localhost:%s' % port
        p4.user = 'perforce'
        self.connectP4(p4)

        # Create our user and set password
        user = p4.fetch_user('perforce')
        p4.save_user(user)
        p4.run_password('', 'Password1')
        p4.password = 'Password1'
        p4.run_login()
        # Make him superuser
        prot = p4.fetch_protect()
        p4.save_protect(prot)

        self.configure_master_p4d_instance(p4, instance)
        self.configureServer(instance)

        if test_daily:
            # Following 2 tests should fail due to lack of offline_db
            self.failedDailyBackupTest(instance)
            time.sleep(1)
            # self.recreateDBFromOfflineTest(instance)
            time.sleep(1)
        self.liveCheckpointTest(instance)
        time.sleep(1)
        self.verifyVerify(instance)

    def instanceTest(self, instance, port):
        "Perforce complete tests"

        ckpLogPattern = '/p4/%s/logs/checkpoint.log*' % instance
        logPattern = '/p4/%s/logs/log*' % instance

        self.instanceSetup(instance, port, test_daily=True)
        
        # Now the offline_db should exist
        # Run enough times to ensure logs get removed - (KEEPCKPS + 1)
        self.dailyBackupTest(instance)
        self.assertLogCount(3, ckpLogPattern)
        time.sleep(1)
        self.dailyBackupTest(instance)
        self.assertLogCount(3, ckpLogPattern)
        time.sleep(1)
        self.dailyBackupTest(instance)
        self.assertLogCount(3, ckpLogPattern)
        time.sleep(1)
        # Manually rotate journals again and ensure daily backup handles that
        self.p4run('admin', 'journal', '/p4/%s/checkpoints/p4_%s' % (instance, instance))
        self.dailyBackupTest(instance)
        self.assertLogCount(3, ckpLogPattern)
        time.sleep(1)
        
        self.verifyTest(instance)

        print('\n\nAbout to run recreate db from offline which sleeps for 30 seconds, so be patient...!')
        self.dailyBackupTest(instance)
        self.assertLogCount(3, ckpLogPattern)
        self.assertLogCount(3, logPattern)
        
        # Delete offline_db and check we can recreate
        # self.recreateOfflineDBTest(instance)
        self.assertLogCount(3, ckpLogPattern)
        self.assertLogCount(3, logPattern)
        time.sleep(1)
        self.dailyBackupTest(instance)
        # Note Daily doesn't increase the journal number so there are 2 with latest
        self.assertLogCount(3, ckpLogPattern)
        self.assertLogCount(3, logPattern)

        self.verifyVerify(instance)

        self.verifyJournalCorruption(instance)
        # print(p4.run_admin('stop'))

    def runTest(self):
        "Configure the master instance"
        all_instances = {"1": "1667",
                         "master": "2667"}
        if options.instance and options.instance in all_instances:
            instances = {options.instance: all_instances[options.instance]}
        else:
            instances = all_instances
        for instance, port in instances.items():
            self.resetTest(all_instances.keys())
            self.mkdirsTest(instance)
            self.configureInstance(instance, port)
            if options.setup:
                self.instanceSetup(instance, port)
            else:
                self.instanceTest(instance, port)

if __name__ == "__main__":
    init_logging()
    parser = argparse.ArgumentParser(add_help=False)
    parser.add_argument('--instance', default=None)
    parser.add_argument('--setup', action='store_true')
    options, args = parser.parse_known_args()

    testrunner = None
    unittest.main(testRunner=testrunner, argv=sys.argv[:1] + args)