def _wait_for_job_finished(job):
"""
This function waits for asynchronous job to be finished.
:param job: Instance of ``LMI_SoftwareJob``.
:type job: :py:class:`lmi.shell.LMIInstance`
"""
if not isinstance(job, LMIInstance):
raise TypeError("job must be an LMIInstance")
LOG().debug('Waiting for a job "%s" to finish.', job.InstanceID)
sleep_time = INITIAL_SLEEP_TIME
connection_problem_count = 0
while not LMIJob.lmi_is_job_finished(job):
# Sleep, a bit longer in every iteration
time.sleep(sleep_time)
if sleep_time < LMIMethod._POLLING_ADAPT_MAX_WAITING_TIME:
sleep_time = min(sleep_time * SLEEP_TIME_MULTIPLIER,
LMIMethod._POLLING_ADAPT_MAX_WAITING_TIME)
try:
(refreshed, _, errorstr) = job.refresh()
except pywbem.CIMError as err:
if ( err.args[0] == 0
and err.args[1].lower().startswith('socket error')):
if connection_problem_count >= MAX_CONNECTION_PROBLEM_COUNT:
raise
LOG().warn("Connection problem: %s", err.args[1])
if connection_problem_count == 0:
sleep_time = CONNECTION_PROBLEM_SLEEP_TIME
connection_problem_count += 1
else:
raise
if not refreshed:
raise LMIExceptions.LMISynchroMethodCallError(errorstr)
def _wait_for_job_finished(job):
"""
This function waits for asynchronous job to be finished.
:param job: Instance of ``LMI_SoftwareJob``.
:type job: :py:class:`lmi.shell.LMIInstance`
"""
if not isinstance(job, LMIInstance):
raise TypeError("job must be an LMIInstance")
LOG().debug('Waiting for a job "%s" to finish.', job.InstanceID)
sleep_time = INITIAL_SLEEP_TIME
connection_problem_count = 0
while not LMIJob.lmi_is_job_finished(job):
# Sleep, a bit longer in every iteration
time.sleep(sleep_time)
if sleep_time < LMIMethod._POLLING_ADAPT_MAX_WAITING_TIME:
sleep_time = min(sleep_time * SLEEP_TIME_MULTIPLIER,
LMIMethod._POLLING_ADAPT_MAX_WAITING_TIME)
try:
(refreshed, _, errorstr) = job.refresh()
except wbem.CIMError as err:
if (err.args[0] == 0
and err.args[1].lower().startswith('socket error')):
if connection_problem_count >= MAX_CONNECTION_PROBLEM_COUNT:
raise
LOG().warn("Connection problem: %s", err.args[1])
if connection_problem_count == 0:
sleep_time = CONNECTION_PROBLEM_SLEEP_TIME
connection_problem_count += 1
else:
raise
if not refreshed:
raise LMIExceptions.LMISynchroMethodCallError(errorstr)
def verify_package(ns, package):
"""
Returns the instances of ``LMI_SoftwareIdentityFileCheck`` representing
files, that did not pass the verification.
:param package: Instance or instance name of
``LMI_SoftwareIdentity`` representing package to verify.
:type package: :py:class:`lmi.shell.LMIInstance`
or :py:class:`lmi.shell.LMIInstanceName`
:returns: List of instances of ``LMI_SoftwareIdentityFileCheck``
with non-empty ``FailedFlags`` property.
:rtype: list
"""
if not isinstance(package, (LMIInstance, LMIInstanceName)):
raise TypeError("package must be an LMIInstance or LMIInstanceName")
# we can not use synchronous invocation because the reference to a job is
# needed - for enumerating of affected software identities
service = ns.LMI_SoftwareInstallationService.first_instance()
results = service.VerifyInstalledIdentity(
Source=package.path
if isinstance(package, LMIInstance) else package,
Target=get_computer_system(ns).path)
nevra = get_package_nevra(package)
if results.rval != 4096:
msg = 'Failed to verify package "%s (rval=%d)".' % (nevra, results.rval)
if results.errorstr:
msg += ': ' + results.errorstr
raise LmiFailed(msg)
job = results.rparams['Job'].to_instance()
_wait_for_job_finished(job)
if not LMIJob.lmi_is_job_completed(job):
msg = 'Failed to verify package "%s".' % nevra
if job.ErrorDescription:
msg += ': ' + job.ErrorDescription
raise LmiFailed(msg)
LOG().debug('Verified package "%s" on remote host "%s".',
nevra, ns.connection.uri)
failed = job.associators(
Role='AffectingElement',
ResultRole='AffectedElement',
AssocClass="LMI_AffectedSoftwareJobElement",
ResultClass='LMI_SoftwareIdentityFileCheck')
LOG().debug('Verified package "%s" on remote host "%s" with %d failures.',
nevra, ns.connection.uri, len(failed))
return failed
def verify_package(ns, package):
"""
Returns the instances of ``LMI_SoftwareIdentityFileCheck`` representing
files, that did not pass the verification.
:param package: Instance or instance name of
``LMI_SoftwareIdentity`` representing package to verify.
:type package: :py:class:`lmi.shell.LMIInstance`
or :py:class:`lmi.shell.LMIInstanceName`
:returns: List of instances of ``LMI_SoftwareIdentityFileCheck``
with non-empty ``FailedFlags`` property.
:rtype: list
"""
if not isinstance(package, (LMIInstance, LMIInstanceName)):
raise TypeError("package must be an LMIInstance or LMIInstanceName")
# we can not use synchronous invocation because the reference to a job is
# needed - for enumerating of affected software identities
service = ns.LMI_SoftwareInstallationService.first_instance()
results = service.VerifyInstalledIdentity(
Source=package.path if isinstance(package, LMIInstance) else package,
Target=get_computer_system(ns).path)
nevra = get_package_nevra(package)
if results.rval != 4096:
msg = 'Failed to verify package "%s (rval=%d)".' % (nevra,
results.rval)
if results.errorstr:
msg += ': ' + results.errorstr
raise LmiFailed(msg)
job = results.rparams['Job'].to_instance()
_wait_for_job_finished(job)
if not LMIJob.lmi_is_job_completed(job):
msg = 'Failed to verify package "%s".' % nevra
if job.ErrorDescription:
msg += ': ' + job.ErrorDescription
raise LmiFailed(msg)
LOG().debug('Verified package "%s" on remote host "%s".', nevra,
ns.connection.uri)
failed = job.associators(Role='AffectingElement',
ResultRole='AffectedElement',
AssocClass="LMI_AffectedSoftwareJobElement",
ResultClass='LMI_SoftwareIdentityFileCheck')
LOG().debug('Verified package "%s" on remote host "%s" with %d failures.',
nevra, ns.connection.uri, len(failed))
return failed
def _wait_for_job_finished(job):
"""
This function waits for asynchronous job to be finished.
:param job: Instance of ``LMI_SoftwareJob``.
:type job: :py:class:`lmi.shell.LMIInstance`
"""
if not isinstance(job, LMIInstance):
raise TypeError("job must be an LMIInstance")
LOG().debug('waiting for a job "%s" to finish', job.InstanceId)
sleep_time = 0.5
while not LMIJob.lmi_is_job_finished(job):
# Sleep, a bit longer in every iteration
time.sleep(sleep_time)
if sleep_time < LMIMethod._POLLING_ADAPT_MAX_WAITING_TIME:
sleep_time *= 1.5
(refreshed, _, errorstr) = job.refresh()
if not refreshed:
raise LMIExceptions.LMISynchroMethodCallError(errorstr)
def _wait_for_job_finished(job):
"""
This function waits for asynchronous job to be finished.
:param job: Instance of ``LMI_SoftwareJob``.
:type job: :py:class:`lmi.shell.LMIInstance`
"""
if not isinstance(job, LMIInstance):
raise TypeError("job must be an LMIInstance")
LOG().debug('waiting for a job "%s" to finish', job.InstanceId)
sleep_time = 0.5
while not LMIJob.lmi_is_job_finished(job):
# Sleep, a bit longer in every iteration
time.sleep(sleep_time)
if sleep_time < LMIMethod._POLLING_ADAPT_MAX_WAITING_TIME:
sleep_time *= 1.5
(refreshed, _, errorstr) = job.refresh()
if not refreshed:
raise LMIExceptions.LMISynchroMethodCallError(errorstr)
def install_package(ns, package, force=False, update=False):
"""
Install package on system.
:param package: Instance or instance name of ``LMI_SoftwareIdentity``
representing package to install.
:type package: :py:class:`lmi.shell.LMIInstance`
or :py:class:`lmi.shell.LMIInstanceName`
:param boolean force: Whether the installation shall be done even if
installing the same (reinstalling) or older version than already
installed.
:param boolean update: Whether this is an update. Update fails if
package is not already installed on system.
:returns: Software identity installed on remote system.
It's an instance ``LMI_SoftwareIdentity``.
:rtype: :py:class:`lmi.shell.LMIInstance`
"""
if not isinstance(package, (LMIInstance, LMIInstanceName)):
raise TypeError("package must be an LMIInstance or LMIInstanceName")
service = ns.LMI_SoftwareInstallationService.first_instance()
options = [4 if not update else 5] # Install (4) or Update (5)
if force:
options.append(3) # Force Installation
# we can not use synchronous invocation because the reference to a job is
# needed
results = service.InstallFromSoftwareIdentity(
Source=package.path if isinstance(package, LMIInstance) else package,
Collection=ns.LMI_SystemSoftwareCollection.first_instance_name(),
InstallOptions=options)
nevra = get_package_nevra(package)
if results.rval != 4096:
msg = 'Failed to %s package "%s" (rval=%d).' % (
'update' if update else 'install', nevra, results.rval)
if results.errorstr:
msg += ': ' + results.errorstr
raise LmiFailed(msg)
job = results.rparams['Job'].to_instance()
_wait_for_job_finished(job)
if not LMIJob.lmi_is_job_completed(job):
if not update:
if not isinstance(package, LMIInstance):
try:
package = package.to_instance()
except wbem.CIMError:
pass
if getattr(package, 'InstallDate', None) is not None:
LOG().info('Package "%s" is already installed.' % nevra)
return
msg = 'Failed to %s package "%s".' % ('update'
if update else 'install', nevra)
if job.ErrorDescription:
msg += ': ' + job.ErrorDescription
raise LmiFailed(msg)
else:
LOG().info('Installed package "%s".', nevra, ns.connection.uri)
installed = job.associators(Role='AffectingElement',
ResultRole='AffectedElement',
AssocClass="LMI_AffectedSoftwareJobElement",
ResultClass='LMI_SoftwareIdentity')
if len(installed) < 1:
raise LmiFailed('Failed to find installed package "%s".' % nevra)
if len(installed) > 1:
LOG().warn('Expected just one affected software identity, got: %s',
{get_package_nevra(p)
for p in installed})
return installed[-1]
def install_package(ns, package, force=False, update=False):
"""
Install package on system.
:param package: Instance or instance name of ``LMI_SoftwareIdentity``
representing package to install.
:type package: :py:class:`lmi.shell.LMIInstance`
or :py:class:`lmi.shell.LMIInstanceName`
:param boolean force: Whether the installation shall be done even if
installing the same (reinstalling) or older version than already
installed.
:param boolean update: Whether this is an update. Update fails if
package is not already installed on system.
:returns: Software identity installed on remote system.
It's an instance ``LMI_SoftwareIdentity``.
:rtype: :py:class:`lmi.shell.LMIInstance`
"""
if not isinstance(package, (LMIInstance, LMIInstanceName)):
raise TypeError("package must be an LMIInstance or LMIInstanceName")
service = ns.LMI_SoftwareInstallationService.first_instance()
options = [4 if not update else 5] # Install (4) or Update (5)
if force:
options.append(3) # Force Installation
# we can not use synchronous invocation because the reference to a job is
# needed
results = service.InstallFromSoftwareIdentity(
Source=package.path
if isinstance(package, LMIInstance) else package,
Collection=ns.LMI_SystemSoftwareCollection.first_instance_name(),
InstallOptions=options)
nevra = get_package_nevra(package)
if results.rval != 4096:
msg = 'Failed to %s package "%s" (rval=%d).' % (
'update' if update else 'install', nevra, results.rval)
if results.errorstr:
msg += ': ' + results.errorstr
raise LmiFailed(msg)
job = results.rparams['Job'].to_instance()
_wait_for_job_finished(job)
if not LMIJob.lmi_is_job_completed(job):
if not update:
if not isinstance(package, LMIInstance):
try:
package = package.to_instance()
except pywbem.CIMError:
pass
if getattr(package, 'InstallDate', None) is not None:
raise LmiFailed('Package "%s" is already installed!' % nevra)
msg = 'Failed to %s package "%s".' % (
'update' if update else 'install', nevra)
if job.ErrorDescription:
msg += ': ' + job.ErrorDescription
raise LmiFailed(msg)
else:
LOG().info('Installed package "%s" on remote host "%s".',
nevra, ns.connection.uri)
installed = job.associators(
Role='AffectingElement',
ResultRole='AffectedElement',
AssocClass="LMI_AffectedSoftwareJobElement",
ResultClass='LMI_SoftwareIdentity')
if len(installed) < 1:
raise LmiFailed('Failed to find installed package "%s".' % nevra)
if len(installed) > 1:
LOG().warn('Expected just one affected software identity, got: %s',
{get_package_nevra(p) for p in installed})
return installed[-1]
