def _get_package_manager(cfg):
"""Talk to the target host and determine the package manager.
Return "dnf" or "yum" if the package manager appears to be one of
those.
:raises pulp_smash.exceptions.NoKnownPackageManagerError: If unable to
find any valid package manager on the target host.
"""
hostname = urlsplit(cfg.get_base_url()).hostname
with contextlib.suppress(KeyError):
return _PACKAGE_MANAGERS[hostname]
client = Client(cfg, echo_handler)
commands_managers = (
(("which", "dnf"), "dnf"),
(("which", "yum"), "yum"),
)
for cmd, pkg_mgr in commands_managers:
if client.run(cmd, sudo=True).returncode == 0:
_PACKAGE_MANAGERS[hostname] = pkg_mgr
return pkg_mgr
raise exceptions.NoKnownPackageManagerError(
"Unable to determine the package manager used by {}. It does not "
"appear to be any of {}.".format(
hostname, {pkg_mgr
for _, pkg_mgr in commands_managers}))
def _get_package_manager(cfg):
"""Talk to the target host and determine the package manager.
Return "dnf" or "yum" if the package manager appears to be one of
those. Raise an exception otherwise.
"""
hostname = urlsplit(cfg.get_base_url()).hostname
try:
return _PACKAGE_MANAGERS[hostname]
except KeyError:
pass
client = Client(cfg, echo_handler)
commands_managers = (
(('which', 'dnf'), 'dnf'),
(('which', 'yum'), 'yum'),
)
for cmd, pkg_mgr in commands_managers:
if client.run(cmd).returncode == 0:
_PACKAGE_MANAGERS[hostname] = pkg_mgr
return pkg_mgr
raise exceptions.NoKnownPackageManagerError(
'Unable to determine the package manager used by {}. It does not '
'appear to be any of {}.'.format(
hostname, {pkg_mgr
for _, pkg_mgr in commands_managers}))