213 lines
7.8 KiB
Python
213 lines
7.8 KiB
Python
"""
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Copyright (c) 2022 Wind River Systems, Inc.
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SPDX-License-Identifier: Apache-2.0
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"""
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import logging
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import subprocess
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from cgcs_patch import constants
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from cgcs_patch.exceptions import OSTreeCommandFail
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LOG = logging.getLogger('main_logger')
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def get_ostree_latest_commit(ostree_ref, repo_path):
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"""
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Query ostree using ostree log <ref> --repo=<path>
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:param ostree_ref: the ostree ref.
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example: starlingx
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:param repo_path: the path to the ostree repo:
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example: /var/www/pages/feed/rel-22.06/ostree_repo
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:return: The most recent commit of the repo
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"""
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# Sample command and output that is parsed to get the commit
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#
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# Command: ostree log starlingx --repo=/var/www/pages/feed/rel-22.02/ostree_repo
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#
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# Output:
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#
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# commit 478bc21c1702b9b667b5a75fac62a3ef9203cc1767cbe95e89dface6dc7f205e
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# ContentChecksum: 61fc5bb4398d73027595a4d839daeb404200d0899f6e7cdb24bb8fb6549912ba
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# Date: 2022-04-28 18:58:57 +0000
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#
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# Commit-id: starlingx-intel-x86-64-20220428185802
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#
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# commit ad7057a94a1d06e38eaedee2ce3fe56826ae817497469bce5d5ac05bc506aaa7
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# ContentChecksum: dc42a42427a4f9e4de1210327c12b12ea3ad6a5d232497a903cc6478ca381e8b
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# Date: 2022-04-28 18:05:43 +0000
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#
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# Commit-id: starlingx-intel-x86-64-20220428180512
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cmd = "ostree log %s --repo=%s" % (ostree_ref, repo_path)
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try:
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output = subprocess.run(cmd, shell=True, check=True, capture_output=True)
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except subprocess.CalledProcessError as e:
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info_msg = "OSTree log Error: return code: %s , Output: %s" \
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% (e.returncode, e.stderr.decode("utf-8"))
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LOG.info(info_msg)
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msg = "Failed to fetch ostree log for %s." % repo_path
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raise OSTreeCommandFail(msg)
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# Store the output of the above command in a string
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output_string = output.stdout.decode('utf-8')
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# Parse the string to get the latest commit for the ostree
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split_output_string = output_string.split()
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latest_commit = split_output_string[1]
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return latest_commit
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def get_feed_latest_commit(patch_sw_version):
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"""
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Query ostree feed using ostree log <ref> --repo=<path>
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:param patch_sw_version: software version for the feed
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example: 22.06
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:return: The latest commit for the feed repo
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"""
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repo_path = "%s/rel-%s/ostree_repo" % (constants.FEED_OSTREE_BASE_DIR,
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patch_sw_version)
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return get_ostree_latest_commit(constants.OSTREE_REF, repo_path)
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def get_sysroot_latest_commit():
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"""
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Query ostree sysroot to determine the currently active commit
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:return: The latest commit for sysroot repo
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"""
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return get_ostree_latest_commit(constants.OSTREE_REF, constants.SYSROOT_OSTREE)
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def get_latest_deployment_commit():
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"""
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Get the active deployment commit ID
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:return: The commit ID associated with the active commit
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"""
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# Sample command and output that is parsed to get the active commit
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# associated with the deployment
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#
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# Command: ostree admin status
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#
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# Output:
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#
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# debian 0658a62854647b89caf5c0e9ed6ff62a6c98363ada13701d0395991569248d7e.0 (pending)
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# origin refspec: starlingx
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# * debian a5d8f8ca9bbafa85161083e9ca2259ff21e5392b7595a67f3bc7e7ab8cb583d9.0
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# Unlocked: hotfix
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# origin refspec: starlingx
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cmd = "ostree admin status"
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try:
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output = subprocess.run(cmd, shell=True, check=True, capture_output=True)
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except subprocess.CalledProcessError as e:
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msg = "Failed to fetch ostree admin status."
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info_msg = "OSTree Admin Status Error: return code: %s , Output: %s" \
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% (e.returncode, e.stderr.decode("utf-8"))
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LOG.info(info_msg)
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raise OSTreeCommandFail(msg)
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# Store the output of the above command in a string
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output_string = output.stdout.decode('utf-8')
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# Parse the string to get the active commit on this deployment
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# Trim everything before * as * represents the active deployment commit
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trimmed_output_string = output_string[output_string.index("*"):]
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split_output_string = trimmed_output_string.split()
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active_deployment_commit = split_output_string[2]
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return active_deployment_commit
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def update_repo_summary_file(repo_path):
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"""
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Updates the summary file for the specified ostree repo
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:param repo_path: the path to the ostree repo:
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example: /var/www/pages/feed/rel-22.06/ostree_repo
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"""
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cmd = "ostree summary --update --repo=%s" % repo_path
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try:
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subprocess.run(cmd, shell=True, check=True, capture_output=True)
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except subprocess.CalledProcessError as e:
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msg = "Failed to update summary file for ostree repo %s." % (repo_path)
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info_msg = "OSTree Summary Update Error: return code: %s , Output: %s" \
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% (e.returncode, e.stderr.decode("utf-8"))
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LOG.info(info_msg)
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raise OSTreeCommandFail(msg)
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def reset_ostree_repo_head(commit, repo_path):
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"""
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Resets the ostree repo HEAD to the commit that is specified
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:param commit: an existing commit on the ostree repo which we need the HEAD to point to
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example: 478bc21c1702b9b667b5a75fac62a3ef9203cc1767cbe95e89dface6dc7f205e
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:param repo_path: the path to the ostree repo:
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example: /var/www/pages/feed/rel-22.06/ostree_repo
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"""
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cmd = "ostree reset %s %s --repo=%s" % (constants.OSTREE_REF, commit, repo_path)
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try:
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subprocess.run(cmd, shell=True, check=True, capture_output=True)
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except subprocess.CalledProcessError as e:
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msg = "Failed to reset head of ostree repo: %s to commit: %s" % (repo_path, commit)
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info_msg = "OSTree Reset Error: return code: %s , Output: %s" \
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% (e.returncode, e.stderr.decode("utf-8"))
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LOG.info(info_msg)
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raise OSTreeCommandFail(msg)
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def pull_ostree_from_remote():
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"""
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Pull from remote ostree to sysroot ostree
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"""
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cmd = "ostree pull %s --depth=-1" % constants.OSTREE_REMOTE
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try:
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subprocess.run(cmd, shell=True, check=True, capture_output=True)
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except subprocess.CalledProcessError as e:
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msg = "Failed to pull from %s remote into sysroot ostree" % constants.OSTREE_REMOTE
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info_msg = "OSTree Pull Error: return code: %s , Output: %s" \
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% (e.returncode, e.stderr.decode("utf-8"))
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LOG.info(info_msg)
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raise OSTreeCommandFail(msg)
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def delete_ostree_repo_commit(commit, repo_path):
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"""
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Delete the specified commit from the ostree repo
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:param commit: an existing commit on the ostree repo which we need to delete
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example: 478bc21c1702b9b667b5a75fac62a3ef9203cc1767cbe95e89dface6dc7f205e
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:param repo_path: the path to the ostree repo:
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example: /var/www/pages/feed/rel-22.06/ostree_repo
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"""
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cmd = "ostree prune --delete-commit %s --repo=%s" % (commit, repo_path)
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try:
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subprocess.run(cmd, shell=True, check=True, capture_output=True)
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except subprocess.CalledProcessError as e:
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msg = "Failed to delete commit %s from ostree repo %s" % (commit, repo_path)
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info_msg = "OSTree Delete Commit Error: return code: %s , Output: %s" \
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% (e.returncode, e.stderr.decode("utf-8"))
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LOG.info(info_msg)
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raise OSTreeCommandFail(msg)
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def create_deployment():
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"""
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Create a new deployment while retaining the previous ones
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"""
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cmd = "ostree admin deploy %s --no-prune --retain" % constants.OSTREE_REF
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try:
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subprocess.run(cmd, shell=True, check=True, capture_output=True)
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except subprocess.CalledProcessError as e:
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msg = "Failed to create an ostree deployment for sysroot ref %s." % constants.OSTREE_REF
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info_msg = "OSTree Deployment Error: return code: %s , Output: %s" \
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% (e.returncode, e.stderr.decode("utf-8"))
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LOG.info(info_msg)
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raise OSTreeCommandFail(msg)
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