def update(package_name):
"""
Update the package on the local node
"""
SDMUpdateController._logger.debug('Installing package {0}'.format(package_name))
PackageManager.install(package_name=package_name, client=SDMUpdateController._local_client)
SDMUpdateController._logger.debug('Installed package {0}'.format(package_name))
def update_package_cache():
counter = 0
max_counter = 3
while True and counter < max_counter:
counter += 1
try:
PackageManager.update(UpdateController._local_client)
break
except CalledProcessError as cpe:
time.sleep(3)
if counter == max_counter:
raise cpe
def get_package_information(package_name):
installed, candidate = PackageManager.get_installed_candidate_version(package_name,
UpdateController._local_client)
UpdateController._log('Installed version for package {0}: {1}'.format(package_name, installed))
UpdateController._log('Candidate version for package {0}: {1}'.format(package_name, candidate))
return installed, candidate
def get_package_information():
"""
Retrieve information about the currently installed versions of the core packages
Retrieve information about the versions to which each package can potentially be updated
If installed version is different from candidate version --> store this information in model
Additionally if installed version is identical to candidate version, check the services with a 'run' file
Verify whether the running version is identical to the candidate version
If different --> store this information in the model
Result: Every package with updates or which requires services to be restarted is stored in the model
:return: Package information
:rtype: dict
"""
binaries = PackageManager.get_binary_versions(client=SDMUpdateController._local_client, package_names=['alba'])
installed = PackageManager.get_installed_versions(client=SDMUpdateController._local_client, package_names=PackageManager.SDM_PACKAGE_NAMES)
candidate = PackageManager.get_candidate_versions(client=SDMUpdateController._local_client, package_names=PackageManager.SDM_PACKAGE_NAMES)
if set(installed.keys()) != set(PackageManager.SDM_PACKAGE_NAMES) or set(candidate.keys()) != set(PackageManager.SDM_PACKAGE_NAMES):
raise RuntimeError('Failed to retrieve the installed and candidate versions for packages: {0}'.format(', '.join(PackageManager.SDM_PACKAGE_NAMES)))
package_info = {}
default_entry = {'candidate': None,
'installed': None,
'services_to_restart': []}
# component: package_name: services_with_run_file
for component, info in {'alba': {'alba': list(ASDController.list_asd_services()) + list(MaintenanceController.get_services()),
'openvstorage-sdm': []}}.iteritems():
component_info = {}
for package, services in info.iteritems():
for service in services:
version_file = '/opt/asd-manager/run/{0}.version'.format(service)
if not SDMUpdateController._local_client.file_exists(version_file):
SDMUpdateController._logger.warning('Failed to find a version file in /opt/asd-manager/run for service {0}'.format(service))
continue
package_name = package
running_versions = SDMUpdateController._local_client.file_read(version_file).strip()
for version in running_versions.split(';'):
if '=' in version:
package_name = version.split('=')[0]
running_version = version.split('=')[1]
else:
running_version = version
if package_name not in PackageManager.SDM_PACKAGE_NAMES:
raise ValueError('Unknown package dependency found in {0}'.format(version_file))
if package_name not in binaries:
raise RuntimeError('Binary version for package {0} was not retrieved'.format(package_name))
if running_version != binaries[package_name]:
if package_name not in component_info:
component_info[package_name] = copy.deepcopy(default_entry)
component_info[package_name]['installed'] = running_version
component_info[package_name]['candidate'] = binaries[package_name]
component_info[package_name]['services_to_restart'].append(service)
if installed[package] != candidate[package] and package not in component_info:
component_info[package] = copy.deepcopy(default_entry)
component_info[package]['installed'] = installed[package]
component_info[package]['candidate'] = candidate[package]
if component_info:
package_info[component] = component_info
return package_info