247 lines
10 KiB
Python
247 lines
10 KiB
Python
#
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# Copyright (C) 2020 Red Hat, Inc.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions of
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# the GNU General Public License v.2, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY expressed or implied, including the implied warranties of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details. You should have received a copy of the
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# GNU General Public License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
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# source code or documentation are not subject to the GNU General Public
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# License and may only be used or replicated with the express permission of
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# Red Hat, Inc.
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#
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import os
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import glob
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import shutil
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from dasbus.typing import get_variant, Str
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from pyanaconda.core import util
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from pyanaconda.core.constants import RHSM_SYSPURPOSE_FILE_PATH
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from pyanaconda.core.path import make_directories, join_paths
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from pyanaconda.core.subscription import check_system_purpose_set
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from pyanaconda.modules.common.task import Task
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from pyanaconda.modules.common.errors.installation import InsightsConnectError, \
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InsightsClientMissingError, SubscriptionTokenTransferError
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from pyanaconda.anaconda_loggers import get_module_logger
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log = get_module_logger(__name__)
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class ConnectToInsightsTask(Task):
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"""Connect the target system to Red Hat Insights."""
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INSIGHTS_TOOL_PATH = "/usr/bin/insights-client"
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def __init__(self, sysroot, subscription_attached, connect_to_insights):
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"""Create a new task.
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:param str sysroot: target system root path
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:param bool subscription_attached: if True then the system has been subscribed,
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False otherwise
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:param bool connect_to_insights: if True then connect the system to Insights,
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if False do nothing
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"""
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super().__init__()
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self._sysroot = sysroot
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self._subscription_attached = subscription_attached
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self._connect_to_insights = connect_to_insights
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@property
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def name(self):
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return "Connect the target system to Red Hat Insights"
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def run(self):
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"""Connect the target system to Red Hat Insights."""
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# check if we should connect to Red Hat Insights
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if not self._connect_to_insights:
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log.debug("insights-connect-task: Insights not requested, skipping")
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return
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elif not self._subscription_attached:
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log.debug("insights-connect-task: "
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"Insights requested but target system is not subscribed, skipping")
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return
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insights_path = join_paths(self._sysroot, self.INSIGHTS_TOOL_PATH)
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# check the insights client utility is available
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if not os.path.isfile(insights_path):
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raise InsightsClientMissingError(
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"The insight-client tool ({}) is not available.".format(self.INSIGHTS_TOOL_PATH)
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)
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# tell the insights client to connect to insights
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log.debug("insights-connect-task: connecting to insights")
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rc = util.execWithRedirect(self.INSIGHTS_TOOL_PATH, ["--register"], root=self._sysroot)
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if rc:
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raise InsightsConnectError("Failed to connect to Red Hat Insights.")
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class RestoreRHSMDefaultsTask(Task):
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"""Restore RHSM defaults we changed for install time purposes.
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At the moment this means setting the RHSM log level back to INFO
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from DEBUG and making sure SSL certificate validation is enabled
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(as we might turn it off for the installation run if requested by
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the user).
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"""
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def __init__(self, rhsm_config_proxy):
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"""Create a new task.
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:param rhsm_config_proxy: DBus proxy for the RHSM Config object
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"""
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super().__init__()
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self._rhsm_config_proxy = rhsm_config_proxy
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@property
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def name(self):
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return "Restoring subscription manager defaults"
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def run(self):
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"""Restore RHSM defaults we changed.
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We previously set the RHSM log level to DEBUG, which is also
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reflected in rhsm.conf. This would mean RHSM would continue to
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log in debug mode also on the system once rhsm.conf has been
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copied over to the target system.
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The same thing needs to be done for the server.insecure key
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that we migh set to "1" previously on user request.
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So set the log level back to INFO before we copy the config file
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and make sure server.insecure is equal to "0".
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"""
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log.debug("subscription: setting RHSM log level back to INFO")
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log.debug("subscription: making sure RHSM SSL certificate validation is enabled")
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config_dict = {
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"logging.default_log_level": get_variant(Str, "INFO"),
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"server.insecure": get_variant(Str, "0")
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}
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# set all the values at once atomically
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self._rhsm_config_proxy.SetAll(config_dict, "")
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class TransferSubscriptionTokensTask(Task):
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"""Transfer subscription tokens to the target system."""
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RHSM_REPO_FILE_PATH = "/etc/yum.repos.d/redhat.repo"
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RHSM_CONFIG_FILE_PATH = "/etc/rhsm/rhsm.conf"
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RHSM_ENTITLEMENT_KEYS_PATH = "/etc/pki/entitlement"
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RHSM_CONSUMER_KEY_PATH = "/etc/pki/consumer/key.pem"
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RHSM_CONSUMER_CERT_PATH = "/etc/pki/consumer/cert.pem"
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def __init__(self, sysroot, transfer_subscription_tokens):
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"""Create a new task.
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:param str sysroot: target system root path
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:param bool transfer_subscription_tokens: if True attempt to transfer subscription
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tokens to target system (we always transfer
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system purpose data unconditionally)
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"""
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super().__init__()
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self._sysroot = sysroot
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self._transfer_subscription_tokens = transfer_subscription_tokens
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@property
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def name(self):
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return "Transfer subscription tokens to target system"
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def _copy_pem_files(self, input_folder, output_folder, not_empty=True):
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"""Copy all pem files from input_folder to output_folder.
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Files with the pem extension are generally encryption keys and certificates.
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If output_folder does not exist, it & any parts of its path will
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be created.
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:param str input_folder: input folder for the pem files
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:param str output_folder: output folder where to copy the pem files
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:return: False if the input directory does not exists or is empty,
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True after all pem files have be successfully copied
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:rtype: bool
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"""
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# check the input folder exists
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if not os.path.isdir(input_folder):
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return False
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# optionally check the input folder is not empty
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if not_empty and not os.listdir(input_folder):
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return False
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# make sure the output folder exist
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make_directories(output_folder)
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# transfer all the pem files in the input folder
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for pem_file_path in glob.glob(os.path.join(input_folder, "*.pem")):
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shutil.copy(pem_file_path, output_folder)
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# if we got this far the pem copy operation was a success
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return True
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def _copy_file(self, file_path, target_file_path):
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if not os.path.isfile(file_path):
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return False
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# make sure the output folder exists
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make_directories(os.path.dirname(target_file_path))
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shutil.copy(file_path, target_file_path)
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return True
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def _transfer_file(self, target_path, target_name):
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"""Transfer a file with nice logs and raise an exception if it does not exist."""
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log.debug("subscription: transferring %s", target_name)
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target_repo_file_path = join_paths(self._sysroot, target_path)
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if not self._copy_file(target_path, target_repo_file_path):
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msg = "{} ({}) is missing".format(target_name, self.RHSM_REPO_FILE_PATH)
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raise SubscriptionTokenTransferError(msg)
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def _transfer_system_purpose(self):
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"""Transfer the system purpose file if present.
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A couple notes:
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- this might be needed even if the system has not been subscribed
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during the installation and is therefore always attempted
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- this means the syspurpose tool has been called in the installation
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environment & we need to transfer the results to the target system
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"""
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if check_system_purpose_set(sysroot="/"):
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log.debug("subscription: transferring syspurpose file")
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target_syspurpose_file_path = self._sysroot + RHSM_SYSPURPOSE_FILE_PATH
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self._copy_file(RHSM_SYSPURPOSE_FILE_PATH, target_syspurpose_file_path)
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def _transfer_entitlement_keys(self):
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"""Transfer the entitlement keys."""
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log.debug("subscription: transferring entitlement keys")
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target_entitlement_keys_path = self._sysroot + self.RHSM_ENTITLEMENT_KEYS_PATH
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if not self._copy_pem_files(self.RHSM_ENTITLEMENT_KEYS_PATH, target_entitlement_keys_path):
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msg = "RHSM entitlement keys (from {}) are missing.".format(
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self.RHSM_ENTITLEMENT_KEYS_PATH)
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raise SubscriptionTokenTransferError(msg)
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def run(self):
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"""Transfer the subscription tokens to the target system.
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Otherwise the target system would have to be registered and subscribed again
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due to missing subscription tokens.
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"""
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self._transfer_system_purpose()
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# the other subscription tokens are only relevant if the system has been subscribed
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if not self._transfer_subscription_tokens:
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log.debug("subscription: transfer of subscription tokens not requested")
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return
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# transfer entitlement keys
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self._transfer_entitlement_keys()
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# transfer the consumer key
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self._transfer_file(self.RHSM_CONSUMER_KEY_PATH, "RHSM consumer key")
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# transfer the consumer cert
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self._transfer_file(self.RHSM_CONSUMER_CERT_PATH, "RHSM consumer cert")
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# transfer the redhat.repo file
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self._transfer_file(self.RHSM_REPO_FILE_PATH, "RHSM repo file")
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# transfer the RHSM config file
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self._transfer_file(self.RHSM_CONFIG_FILE_PATH, "RHSM config file")
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