def checkRequirements2(required_updates, present_updates):
con = uSysDB.connect()
cur = con.cursor()
cur.execute("SELECT build FROM version_history")
installed = reduce(lambda s, x: s.update([x[0]]) or s, cur.fetchall(), set())
cur.execute("SELECT name FROM hotfixes")
installed = reduce(lambda s, x: s.update([x[0]]) or s, cur.fetchall(), installed)
# Crutch for upgrade from OA 6.5 TODO: Remove in OA 7.1
if "oa-6.5-258" in installed:
installed.add("poa-6.0-3517")
not_installed = required_updates - installed
if not_installed == set([None]) or not_installed == set([]):
not_installed = False
for build_name in present_updates:
for inst in installed:
if PEMVersion.compareVersions(inst, build_name) > 0:
raise uPrecheck.PrecheckFailed(
"%s is installed, it is higher version than %s" % (inst, build_name), None)
if not_installed:
raise uPrecheck.PrecheckFailed("required Operation Automation versions are not installed: %s" % ', '.join(
not_installed), "Install missing versions or select another update")
cur.close()
uSysDB.close(con)
def checkUncompatibleJDK():
uLogging.info("Checking for incompatible JDK rpms (OpenJDK)...")
s = uUtil.readCmd(['rpm', '-qa', '*openjdk*', 'jdk'])
rpms = s.strip().split('\n')
bad_rpms = filter(lambda p: 'openjdk' in p, rpms)
if bad_rpms:
raise uPrecheck.PrecheckFailed('incompatible java rpms found: %s' %
bad_rpms, 'replace with JDK rpm shipped with PA')
def checkNumberOfActiveTasks():
import uTasks
task_number = uTasks.getNumberOfActiveTasks()
if task_number > 2000:
uLogging.warn("Number of active tasks in Task Manager: %s. Too many active tasks.", task_number)
raise uPrecheck.PrecheckFailed("There are %s unprocessed, scheduled, running or failed tasks in Task Manager (including periodic).\nUpdate cannot be performed if this number is more than 2000" %
task_number, "Cancel failed tasks or wait for them to complete.")
else:
uLogging.info("Number of active tasks in Task Manager: %s. OK.", task_number)
def _check_java_version(version_str):
version_str = version_str.lower()
if ('openjdk' not in version_str) or ('64-bit' not in version_str) or (
not re.search('openjdk version \"11\.', version_str)):
raise uPrecheck.PrecheckFailed(
'incorrect JDK installed! OpenJDK 11 x64 required.',
'install JDK shipped with Operation Automation and ensure java executable is in PATH (linux) or in JAVA_HOME/bin/ (windows)'
)
uLogging.debug('java version is correct')
def __get_java_version():
if os.getenv('JAVA_HOME') == None:
java_path = 'java'
else:
java_path = os.path.join(os.getenv('JAVA_HOME'), 'bin', 'java')
todo = 'ensure JDK installed and java executable is in PATH or in JAVA_HOME/bin'
try:
out, err, ret = uUtil.readCmdExt([java_path, '-version'])
except Exception, e:
raise uPrecheck.PrecheckFailed(
'can not check java version! exception %s' % e, todo)
def check_cpu_performance(min_cpu_count=4):
uLogging.debug("Checking CPU performance via counting CPU cores.")
uPrecheck.warn_precheck_for_deprecated_os() # because there is no multiprocessing module in Python 2.4 (RHEL5)
import multiprocessing
current_cpu_count = multiprocessing.cpu_count()
if current_cpu_count < min_cpu_count:
raise uPrecheck.PrecheckFailed("Your server doesn't meet hardware requirements, "
"at least %i CPU required to install OA, "
"but your server has %i CPU." % (min_cpu_count, current_cpu_count))
ok_text = "Your CPU performance is OK (required %i CPU, detected %i CPU)." % (min_cpu_count, current_cpu_count)
uLogging.debug(ok_text)
return ok_text
def check_unfinished_installation_tasks():
unfinished_tasks_num = uTasks.get_num_of_unfinished_installation_tasks()
if not unfinished_tasks_num:
uLogging.info("No unfinished installation tasks in Task Manager: OK.")
else:
msg = "A number of unfinished installation tasks have been fetched out during pre-check, " \
"total: %s. " \
"These issues prevent the update of being started." % unfinished_tasks_num
uLogging.warn(msg)
raise uPrecheck.PrecheckFailed(msg, "To resolve these issues, log in to Odin Automation, "
"go to Operations > Tasks, filter the tasks by the 'Install' "
"sample in their name, eliminate blocker factors "
"or fix the cause of the tasks failure"
"then wait for these tasks until they will finish "
"with the Successful status."
"Also you can cancel these tasks, but only if you know what you doing.")
def checkHostsAvailability(in_precheck=False):
uLogging.info("Checking slave hosts availability...")
# skip hosts without pleskd (they are not managed by POA)
hosts = filter(lambda h: h.pleskd_id and int(h.host_id) != 1, getAllHosts())
results = []
for host in hosts:
if in_precheck:
res = checkOneHostAvailability(host, True)
results.append((res, host))
else:
uAction.retriable(checkOneHostAvailability)(host)
# need to make aggregated exception in precheck
if in_precheck:
not_reachable_hosts = filter(lambda x: x[0], results)
if not_reachable_hosts:
message = ""
for msg, host in not_reachable_hosts:
message += "\n * %s (%s) error message: %s" % (host.name, host.host_id, msg)
raise uPrecheck.PrecheckFailed(
"Some Operation Automation slave hosts are not available", "check the following hosts, probably unreacheable by network or have pleskd agent down:%s" % message)
def check_unfinished_upgrade_modules():
if not uTasks.isModuleUpdateFinished():
raise uPrecheck.PrecheckFailed('Detected unfinished process of modules upgrading.', 'Wait until the modules update process is complete.')
def check_internal_net_bandwidth(config):
""" Here we are checking network bandwidth to be sure that pa-agents will be delivered in time on all slaves
during update.
"""
if config.skip_check_internal_net_bandwidth:
uLogging.warn('Checking internal net bandwidth was skipped.')
return
from poaupdater import uSlaveUpdater
# MB (megabytes) per second, we are assuming to utilize ethernet (100BaseT)
# with host count calculated by uSlaveUpdater.max_slave_upgrade_threads()
min_mbps = 1
# Initializing file for test firstly to get its instance further and undeploy it finally
file_for_speedtest = FileForSpeedtest(config.communication_ip)
slaves_with_agent = [host for host in get_hosts_with_agent() if int(host.host_id) != 1]
uLogging.debug("Found slaves with agent: \n{slaves}".format(slaves=pprint.pformat(slaves_with_agent)))
if config.skip_rpms:
slaves_with_agent = filter(lambda host: Const.isOsaWinPlatform(host.platform.os), slaves_with_agent)
uLogging.debug("Filtered out Linux slaves because was passed option '--skip:rpms', "
"now slave list is \n{slaves}".format(slaves=pprint.pformat(slaves_with_agent)))
if config.skip_win:
slaves_with_agent = filter(lambda host: not Const.isOsaWinPlatform(host.platform.os), slaves_with_agent)
uLogging.debug("Filtered out Windows slaves because was passed option '--skip:win', "
"now slave list is \n{slaves}".format(slaves=pprint.pformat(slaves_with_agent)))
if not slaves_with_agent:
uLogging.debug("No slaves found, no need to check internal network bandwidth")
return
thread_count = uSlaveUpdater.max_slave_upgrade_threads(
hosts_to_upgrade_count=len(slaves_with_agent), slave_upgrade_threads=config.slave_upgrade_threads
)
uLogging.info("Checking network bandwidth between MN and slaves "
"(parallel: {thread_count})".format(thread_count=thread_count))
pool = uThreadPool.ThreadPool(check_net_bandwidth_for_host)
map(pool.put, slaves_with_agent)
try:
pool.start(thread_count)
check_results = pool.get_all_non_empty_results()
finally:
pool.terminate()
file_for_speedtest.undeploy_file_for_test()
if "__iter__" not in dir(check_results) or len(check_results) < 1:
raise Exception("Check for speed test returned nothing, this is unexpected")
completely_failed_checks = filter(lambda result: type(result.result) is not HostBandwidthReport, check_results)
if completely_failed_checks:
raise Exception("Some of check has completely failed, summary report is inconsistent: \n{failed_items}".format(
failed_items=pprint.pformat(completely_failed_checks)))
# uThreadPool returns namedtuple ["task_item", "result", "duration"], we need only result
check_results = [x.result for x in check_results]
uLogging.debug("Checking reports for speed sufficiency")
map(lambda report: report.calc_is_sufficient(min_mbps), check_results)
uLogging.debug("Results: \n" + pprint.pformat(check_results))
failed_checks_report = [str(check_result) for check_result in check_results if not check_result.sufficient]
if failed_checks_report:
raise uPrecheck.PrecheckFailed(
reason="detected network issue, bandwidth between MN and slave is not sufficient",
what_to_do="please fix network issue for hosts reported below: \n{bandwidth_reports}".format(
bandwidth_reports="\n".join(failed_checks_report)
)
)
uLogging.debug("Checking network bandwidth finished successfully - all slaves are ok.")
uUtil.logLastException()
problem_hosts += [(host, str(e))]
except:
uUtil.logLastException()
problem_hosts += [(host, 'General error')]
if problem_hosts:
table = uTextRender.Table()
table.setHeader(["host", "url", "issue"])
for issue in problem_hosts:
host, error = issue
table.addRow([str(host), url, error])
message = "URL %s is expected to be available from all managed hosts with pleskd RPM installed. " \
"Some of them listed bellow have access problems:\n%s" % (url, table)
recommendation = "Fix accessibility problems."
raise uPrecheck.PrecheckFailed(message, recommendation)
def getPleskdProps():
dummy, rootpath = getMNInfo()
propfile = open(os.path.join(rootpath, 'etc', 'pleskd.props'))
pleskdProps = uUtil.readPropertiesFile(propfile)
propfile.close()
return pleskdProps
def get_major_version():
con = uSysDB.connect()
cur = con.cursor()
cur.execute("SELECT version FROM version_history ORDER BY install_date DESC")
return cur.fetchone()[0]
def precheck(cls, lpath_to_precheck_tar=None):
host_id = cls.get_host_id()
request = uHCL.Request(host_id, user='******', group='root')
rpath_tmp = '/usr/local/bm/tmp'
rpath_to_precheck = os.path.join(rpath_tmp, 'precheck')
if lpath_to_precheck_tar: #else prechecks is assumed already at billing host
rpath_to_precheck_tar = os.path.join(
rpath_tmp, os.path.basename(lpath_to_precheck_tar))
lpath_to_poaupdater = os.path.dirname(__file__)
rpath_to_poaupdater = os.path.join(rpath_to_precheck, 'poaupdater')
uLogging.debug(
'Transfer %s to %s at host %s' %
(lpath_to_precheck_tar, rpath_to_precheck_tar, host_id))
request.transfer('1', lpath_to_precheck_tar, rpath_tmp)
uLogging.debug('Remove %s at host %s' %
(rpath_to_precheck, host_id))
request.rm(rpath_to_precheck)
uLogging.debug('Extract %s to %s at host %s' %
(rpath_to_precheck_tar, rpath_to_precheck, host_id))
request.mkdir(rpath_to_precheck)
extract_cmd = ('tar -xf %s -C %s' %
(rpath_to_precheck_tar, rpath_to_precheck))
request.command(extract_cmd,
stdout='stdout',
stderr='stderr',
valid_exit_codes=[0])
uLogging.debug('Transfer %s to %s at host %s' %
(lpath_to_poaupdater, rpath_to_precheck, host_id))
request.mkdir(rpath_to_poaupdater)
request.transfer('1', lpath_to_poaupdater, rpath_to_poaupdater)
packages = [
x for x in uPackaging.listInstalledPackagesOnHost(host_id)
if is_billing_package(x.name)
]
tmp = ' '.join([
'-p %s:%s:%s:%s' % (p.name, p.version, '0', 'x86_64')
for p in packages
])
rcmd = 'python %s %s %s' % (os.path.join(
rpath_to_precheck, 'prechecker.py'), cls.role, tmp)
uLogging.debug('Launch %s at host %s' % (rcmd, host_id))
request.command(rcmd,
stdout='stdout',
stderr='stderr',
valid_exit_codes=[0, 1, 2])
try:
output = request.perform()
if output['stdout']:
raise BillingPrecheckFailed(output['stdout'])
if output['stderr']:
uLogging.debug(output['stderr'])
if 'No such file or directory' in output['stderr']:
uLogging.warn(
'It looks like prechecks were skipped during MN upgrade. Billing prechecks will be skipped too'
)
else:
raise uPrecheck.PrecheckFailed(
'Several Billing prechecks were failed at %s (host id #%s).'
% (cls.name, host_id), '')
except uUtil.ExecFailed, e:
err = str(e)
uLogging.debug(err)
if "attribute 'src_host_id' is not declared for element 'TRANSFER'" in err:
raise uPrecheck.PrecheckFailed(
'Pleskd agent at %s (host id #%s) has version lower then pleskd on MN. This may be the caused by hosts skip during previous updates.'
% (cls.name, host_id), "Update pleskd to 6.0.7 or higher")
raise uPrecheck.PrecheckFailed(
'Several Billing prechecks were failed at %s (host id #%s).' %
(cls.name, host_id), '')
def __get_java_version():
if os.getenv('JAVA_HOME') == None:
java_path = 'java'
else:
java_path = os.path.join(os.getenv('JAVA_HOME'), 'bin', 'java')
todo = 'ensure JDK installed and java executable is in PATH or in JAVA_HOME/bin'
try:
out, err, ret = uUtil.readCmdExt([java_path, '-version'])
except Exception, e:
raise uPrecheck.PrecheckFailed(
'can not check java version! exception %s' % e, todo)
if ret != 0:
raise uPrecheck.PrecheckFailed(
'can not check java version! out %s, err %s, ret %s' %
(out, err, ret), todo)
out = out + err
uLogging.debug('got java version: %s' % out)
return out
def _check_java_version(version_str):
version_str = version_str.lower()
if ('openjdk' not in version_str) or ('64-bit' not in version_str) or (
not re.search('openjdk version \"11\.', version_str)):
raise uPrecheck.PrecheckFailed(
'incorrect JDK installed! OpenJDK 11 x64 required.',
'install JDK shipped with Operation Automation and ensure java executable is in PATH (linux) or in JAVA_HOME/bin/ (windows)'
)
uLogging.debug('java version is correct')
