def test_subprocess_error_should_fail(self, *args):
"""Setup package with valid but not non executable configuration."""
sm = WinSvcManagerNSSM(svc_conf=CONF_STUB)
with pytest.raises(exceptions.ServiceManagerCommandError):
sm.setup()
def test_setup_should_exec_18_commands(self, mock_subprocess, *args):
"""Setup valid package."""
sm = WinSvcManagerNSSM(svc_conf=CONF_STUB)
sm.setup()
assert mock_subprocess.call_count == 18
def test_empty_exec_path_should_fail(self):
"""Setup package with valid but not non executable configuration."""
sm = WinSvcManagerNSSM(svc_conf=CONF_STUB)
with pytest.raises(exceptions.ServiceManagerSetupError):
sm.setup()
class Package:
"""Package manager."""
def __init__(self, pkg_id: PackageId = None, istor_nodes: IStorNodes = None,
cluster_conf: dict = None, extra_context: dict = None,
manifest: PackageManifest = None):
"""Constructor.
:param pkg_id: PackageId, package ID
:param istor_nodes: IStorNodes, DC/OS installation storage nodes (set
of pathlib.Path objects)
:param cluster_conf: dict, configparser.ConfigParser.read_dict()
compatible data. DC/OS cluster setup parameters
:param extra_context: dict, extra 'key=value' data to be added to the
resource rendering context
:param manifest: PackageManifest, DC/OS package manifest object
"""
self.msg_src = self.__class__.__name__
if manifest is None:
manifest = PackageManifest(
pkg_id=pkg_id, istor_nodes=istor_nodes,
cluster_conf=cluster_conf, extra_context=extra_context
)
self.manifest = manifest
self.cfg_manager = PkgConfManager(pkg_manifest=self.manifest)
if self.manifest.pkg_extcfg:
self.ext_manager = PkgInstExtrasManager(pkg_manifest=self.manifest)
else:
self.ext_manager = None
LOG.debug(f'{self.msg_src}: {self.manifest.pkg_id.pkg_id}:'
f' Installation extras manager: {self.ext_manager}')
if self.manifest.pkg_svccfg:
self.svc_manager = WinSvcManagerNSSM(
svc_conf=self.manifest.pkg_svccfg
)
else:
self.svc_manager = None
LOG.debug(f'{self.msg_src}: {self.manifest.pkg_id.pkg_id}:'
f' Service manager: {self.svc_manager}')
@property
def id(self):
""""""
return self.manifest.pkg_id
def handle_config_setup(self, mheading: str=None):
"""Execute steps on setting up package configuration files.
:param mheading: str, descriptive heading to be added to error/log
messages
"""
mhd_base = f'{self.msg_src}: {self.id.pkg_name}'
mheading = f'{mheading}: {mhd_base}' if mheading else mhd_base
LOG.debug(f'{mheading}: Setup configuration: ...')
try:
self.cfg_manager.setup_conf()
except cfgm_exc.PkgConfNotFoundError as e:
LOG.debug(f'{mheading}: Setup configuration: NOP')
else:
LOG.debug(f'{mheading}: Setup configuration: OK')
def handle_inst_extras(self, mheading: str=None):
"""Process package's extra installation options.
:param mheading: str, descriptive heading to be added to error/log
messages
"""
mhd_base = f'{self.msg_src}: {self.id.pkg_name}'
mheading = f'{mheading}: {mhd_base}' if mheading else mhd_base
if self.ext_manager:
LOG.debug(f'{mheading}: Handle extra installation options: ...')
self.ext_manager.handle_install_extras()
LOG.debug(f'{mheading}: Handle extra installation options: OK')
else:
LOG.debug(f'{mheading}: Handle extra installation options: NOP')
def handle_uninst_extras(self, mheading: str=None):
"""Process package's extra uninstall options.
:param mheading: str, descriptive heading to be added to error/log
messages
"""
mhd_base = f'{self.msg_src}: {self.id.pkg_name}'
mheading = f'{mheading}: {mhd_base}' if mheading else mhd_base
if self.ext_manager:
LOG.debug(f'{mheading}: Handle extra uninstall options: ...')
self.ext_manager.handle_uninstall_extras()
LOG.debug(f'{mheading}: Handle extra uninstall options: OK')
else:
LOG.debug(f'{mheading}: Handle extra uninstall options: NOP')
def handle_svc_setup(self, mheading: str=None):
"""Execute steps on package's service setup.
:param mheading: str, descriptive heading to be added to error/log
messages
"""
mhd_base = f'{self.msg_src}: {self.id.pkg_name}'
mheading = f'{mheading}: {mhd_base}' if mheading else mhd_base
no_svc_marker = 'service does not exist as an installed service.'
if self.svc_manager:
svc_name = self.svc_manager.svc_name
LOG.debug(f'{mheading}: Setup service: {svc_name}: ...')
try:
ret_code, stdout, stderr = self.svc_manager.status()
except svcm_exc.ServiceManagerCommandError as e:
exc_msg_line = str(e).replace('\n', '').strip()
LOG.debug(f'{mheading}: Setup service: {svc_name}:'
f' Get initial service status: {exc_msg_line}')
if not exc_msg_line.endswith(no_svc_marker):
err_msg = f'{mheading}: Setup service: {svc_name}:' \
f' Get initial service status: {e}'
raise svcm_exc.ServiceSetupError(err_msg) from e
# Setup a service
try:
self.svc_manager.setup()
except svcm_exc.ServiceManagerCommandError as e:
err_msg = f'{mheading}: Setup service: {svc_name}: {e}'
raise svcm_exc.ServiceSetupError(err_msg) from e
else:
LOG.debug(
f'{mheading}: Setup service: {svc_name}: Get initial'
f' service status: stdout[{stdout}] stderr[{stderr}]'
)
svc_status = str(stdout).strip().rstrip('\n')
# Wipe existing service
try:
if svc_status != SVC_STATUS.STOPPED:
self.svc_manager.stop()
self.svc_manager.remove()
LOG.debug(f'{mheading}: Wipe existing service:'
f' {svc_name}: OK')
except svcm_exc.ServiceManagerCommandError as e:
err_msg = (f'{mheading}: Wipe existing service:'
f' {svc_name}: {e}')
raise svcm_exc.ServiceSetupError(err_msg) from e
# Setup a replacement service
try:
self.svc_manager.setup()
ret_code, stdout, stderr = (self.svc_manager.status())
svc_status = str(stdout).strip().rstrip('\n')
except svcm_exc.ServiceManagerCommandError as e:
err_msg = (f'{mheading}: Setup replacement service:'
f' {svc_name}: {e}')
raise svcm_exc.ServiceSetupError(err_msg) from e
else:
if svc_status != SVC_STATUS.STOPPED:
err_msg = (
f'{mheading}: Setup replacement service:'
f' {svc_name}: Invalid status: {svc_status}'
)
raise svcm_exc.ServiceSetupError(err_msg)
LOG.debug(f'{mheading}: Setup service: {svc_name}: OK')
else:
LOG.debug(f'{mheading}: Setup service: NOP')
def handle_svc_wipe(self, mheading: str=None):
"""Execute steps on package's service wipe off.
:param mheading: str, descriptive heading to be added to error/log
messages
"""
mhd_base = f'{self.msg_src}: {self.id.pkg_name}'
mheading = f'{mheading}: {mhd_base}' if mheading else mhd_base
no_svc_marker = 'service does not exist as an installed service.'
if self.svc_manager:
svc_name = self.svc_manager.svc_name
LOG.debug(f'{mheading}: Wipe service: {svc_name}: ...')
try:
ret_code, stdout, stderr = self.svc_manager.status()
except svcm_exc.ServiceManagerCommandError as e:
exc_msg_line = str(e).replace('\n', '').strip()
LOG.debug(f'{mheading}: Wipe service: {svc_name}:'
f' Get initial service status: {exc_msg_line}')
if not exc_msg_line.endswith(no_svc_marker):
err_msg = f'{mheading}: Wipe service: {svc_name}: {e}'
raise svcm_exc.ServiceWipeError(err_msg) from e
LOG.debug(f'{mheading}: Wipe service: NOP')
else:
LOG.debug(
f'{mheading}: Wipe service: {svc_name}: Get initial'
f' service status: stdout[{stdout}] stderr[{stderr}]'
)
svc_status = str(stdout).strip().rstrip('\n')
# Try to remove existing service
try:
if svc_status != SVC_STATUS.STOPPED:
self.svc_manager.stop()
self.svc_manager.remove()
LOG.debug(f'{mheading}: Wipe service: {svc_name}: OK')
except svcm_exc.ServiceManagerCommandError as e:
err_msg = (f'{mheading}: Wipe existing service:'
f' {svc_name}: {e}')
raise svcm_exc.ServiceWipeError(err_msg) from e
else:
LOG.debug(f'{mheading}: Wipe service: NOP')
def handle_svc_start(self, mheading: str=None):
"""Execute steps on package's service start.
:param mheading: str, descriptive heading to be added to error/log
messages
"""
mhd_base = f'{self.msg_src}: {self.id.pkg_name}'
mheading = f'{mheading}: {mhd_base}' if mheading else mhd_base
no_svc_marker = 'service does not exist as an installed service.'
# TODO: Move stuff from the CmdStart.service_start() method here.
# Overall design of this method should resemble one of the
# Package.handle_svc_stop() method.
def handle_svc_stop(self, mheading: str=None):
"""Execute steps on package's service stop.
:param mheading: str, descriptive heading to be added to error/log
messages
"""
mhd_base = f'{self.msg_src}: {self.id.pkg_name}'
mheading = f'{mheading}: {mhd_base}' if mheading else mhd_base
no_svc_marker = 'service does not exist as an installed service.'
if self.svc_manager:
svc_name = self.svc_manager.svc_name
LOG.debug(f'{mheading}: Stop service: {svc_name}: ...')
try:
ret_code, stdout, stderr = self.svc_manager.status()
except svcm_exc.ServiceManagerCommandError as e:
exc_msg_line = str(e).replace('\n', '').strip()
LOG.debug(f'{mheading}: Stop service: {svc_name}:'
f' Get initial service status: {exc_msg_line}')
if not exc_msg_line.endswith(no_svc_marker):
err_msg = f'{mheading}: Stop service: {svc_name}: {e}'
raise svcm_exc.ServiceStopError(err_msg) from e
LOG.debug(f'{mheading}: Stop service: NOP')
else:
LOG.debug(
f'{mheading}: Stop service: {svc_name}: Get initial'
f' service status: stdout[{stdout}] stderr[{stderr}]'
)
svc_status = str(stdout).strip().rstrip('\n')
# Stop existing service
try:
if svc_status != SVC_STATUS.STOPPED:
self.svc_manager.stop()
LOG.debug(f'{mheading}: Stop service: {svc_name}: OK')
except svcm_exc.ServiceManagerCommandError as e:
err_msg = f'{mheading}: Stop service: {svc_name}: {e}'
raise svcm_exc.ServiceStopError(err_msg) from e
else:
LOG.debug(f'{mheading}: Stop service: NOP')
def handle_vardata_wipe(self, mheading: str=None):
"""Execute steps on wiping of package's variable data.
:param mheading: str, descriptive heading to be added to error/log
messages
"""
mhd_base = f'{self.msg_src}: {self.id.pkg_name}'
mheading = f'{mheading}: {mhd_base}' if mheading else mhd_base
work_dpath = getattr(self.manifest.istor_nodes, ISTOR_NODE.WORK)
run_dpath = getattr(self.manifest.istor_nodes, ISTOR_NODE.RUN)
for host_dpath in work_dpath, run_dpath:
dpath = host_dpath.joinpath(self.id.pkg_name)
try:
cm_utl.rmdir(str(dpath), recursive=True)
dpath.mkdir(parents=True, exist_ok=True)
LOG.debug(f'{mheading}: Wipe variable data: {dpath}: OK')
except (OSError, RuntimeError) as e:
err_msg = (f'{mheading}: Wipe variable data: {dpath}:'
f' {type(e).__name__}: {e}')
raise cr_exc.RCError(err_msg) from e
def save_manifest(self, mheading: str=None, dpath: Path=None):
"""Save package's manifest to filesystem.
:param mheading: str, descriptive heading to be added to error/log
messages
:param dpath: Path, absolute path to the host directory
where to save to
"""
mhd_base = f'{self.msg_src}: {self.id.pkg_name}'
mheading = f'{mheading}: {mhd_base}' if mheading else mhd_base
try:
cm_utl.rmdir(str(dpath), recursive=True)
dpath.mkdir(parents=True)
self.manifest.save(dpath)
except (OSError, RuntimeError, cr_exc.RCError) as e:
err_msg = f'{mheading}: Register package: {self.id}: {e}'
raise cr_exc.RCError(err_msg) from e
def delete_manifest(self, mheading: str=None, dpath: Path=None):
"""Delete package's manifest from filesystem.
:param mheading: str, descriptive heading to be added to error/log
messages
:param dpath: Path, absolute path to the host directory
where to delete from
"""
mhd_base = f'{self.msg_src}: {self.id.pkg_name}'
mheading = f'{mheading}: {mhd_base}' if mheading else mhd_base
try:
self.manifest.delete(dpath)
except (OSError, RuntimeError, cr_exc.RCError) as e:
err_msg = f'{mheading}: Deregister package: {self.id}: {e}'
raise cr_exc.RCError(err_msg) from e