def _check_target_version(self, version: str) -> Optional[str]:
try:
(major, minor, patch) = version.split('.')
assert int(minor) >= 0
# patch might be a number or {number}-g{sha1}
except ValueError:
return 'version must be in the form X.Y.Z (e.g., 15.2.3)'
if int(major) < 15 or (int(major) == 15 and int(minor) < 2):
return 'cephadm only supports octopus (15.2.0) or later'
# to far a jump?
current_version = self.mgr.version.split('ceph version ')[1]
current_major, current_minor, current_patch = current_version.split('-')[0].split('.')
if int(current_major) < int(major) - 2:
return f'ceph can only upgrade 1 or 2 major versions at a time; {current_version} -> {version} is too big a jump'
if int(current_major) > int(major):
return f'ceph cannot downgrade major versions (from {current_version} to {version})'
if int(current_major) == int(major):
if int(current_minor) > int(minor):
return f'ceph cannot downgrade to a {"rc" if minor == "1" else "dev"} release'
# check mon min
monmap = self.mgr.get("mon_map")
mon_min = monmap.get("min_mon_release", 0)
if mon_min < int(major) - 2:
return f'min_mon_release ({mon_min}) < target {major} - 2; first complete an upgrade to an earlier release'
# check osd min
osdmap = self.mgr.get("osd_map")
osd_min_name = osdmap.get("require_osd_release", "argonaut")
osd_min = ceph_release_to_major(osd_min_name)
if osd_min < int(major) - 2:
return f'require_osd_release ({osd_min_name} or {osd_min}) < target {major} - 2; first complete an upgrade to an earlier release'
return None
def _do_upgrade(self):
# type: () -> None
if not self.upgrade_state:
logger.debug('_do_upgrade no state, exiting')
return
target_image = self.target_image
target_id = self.upgrade_state.target_id
target_digests = self.upgrade_state.target_digests
target_version = self.upgrade_state.target_version
first = False
if not target_id or not target_version or not target_digests:
# need to learn the container hash
logger.info('Upgrade: First pull of %s' % target_image)
self.upgrade_info_str = 'Doing first pull of %s image' % (
target_image)
try:
target_id, target_version, target_digests = CephadmServe(
self.mgr)._get_container_image_info(target_image)
except OrchestratorError as e:
self._fail_upgrade(
'UPGRADE_FAILED_PULL', {
'severity': 'warning',
'summary': 'Upgrade: failed to pull target image',
'count': 1,
'detail': [str(e)],
})
return
if not target_version:
self._fail_upgrade(
'UPGRADE_FAILED_PULL', {
'severity':
'warning',
'summary':
'Upgrade: failed to pull target image',
'count':
1,
'detail':
['unable to extract ceph version from container'],
})
return
self.upgrade_state.target_id = target_id
# extract the version portion of 'ceph version {version} ({sha1})'
self.upgrade_state.target_version = target_version.split(' ')[2]
self.upgrade_state.target_digests = target_digests
self._save_upgrade_state()
target_image = self.target_image
first = True
if target_digests is None:
target_digests = []
if target_version.startswith('ceph version '):
# tolerate/fix upgrade state from older version
self.upgrade_state.target_version = target_version.split(' ')[2]
target_version = self.upgrade_state.target_version
target_major, target_minor, target_patch = target_version.split('.')
target_major_name = self.mgr.lookup_release_name(int(target_major))
if first:
logger.info('Upgrade: Target is version %s (%s)' %
(target_version, target_major_name))
logger.info('Upgrade: Target container is %s, digests %s' %
(target_image, target_digests))
version_error = self._check_target_version(target_version)
if version_error:
self._fail_upgrade(
'UPGRADE_BAD_TARGET_VERSION', {
'severity': 'error',
'summary':
f'Upgrade: cannot upgrade/downgrade to {target_version}',
'count': 1,
'detail': [version_error],
})
return
image_settings = self.get_distinct_container_image_settings()
daemons = [
d for d in self.mgr.cache.get_daemons()
if d.daemon_type in CEPH_UPGRADE_ORDER
]
done = 0
for daemon_type in CEPH_UPGRADE_ORDER:
logger.debug('Upgrade: Checking %s daemons' % daemon_type)
need_upgrade_self = False
need_upgrade: List[Tuple[DaemonDescription, bool]] = []
need_upgrade_deployer: List[Tuple[DaemonDescription, bool]] = []
for d in daemons:
if d.daemon_type != daemon_type:
continue
assert d.daemon_type is not None
assert d.daemon_id is not None
correct_digest = False
if (any(d in target_digests
for d in (d.container_image_digests or []))
or d.daemon_type in MONITORING_STACK_TYPES):
logger.debug('daemon %s.%s container digest correct' %
(daemon_type, d.daemon_id))
correct_digest = True
if any(d in target_digests for d in (d.deployed_by or [])):
logger.debug(
'daemon %s.%s deployed by correct version' %
(d.daemon_type, d.daemon_id))
done += 1
continue
if self.mgr.daemon_is_self(d.daemon_type, d.daemon_id):
logger.info('Upgrade: Need to upgrade myself (mgr.%s)' %
self.mgr.get_mgr_id())
need_upgrade_self = True
continue
if correct_digest:
logger.debug(
'daemon %s.%s not deployed by correct version' %
(d.daemon_type, d.daemon_id))
need_upgrade_deployer.append((d, True))
else:
logger.debug(
'daemon %s.%s not correct (%s, %s, %s)' %
(daemon_type, d.daemon_id, d.container_image_name,
d.container_image_digests, d.version))
need_upgrade.append((d, False))
if not need_upgrade_self:
# only after the mgr itself is upgraded can we expect daemons to have
# deployed_by == target_digests
need_upgrade += need_upgrade_deployer
# prepare filesystems for daemon upgrades?
if (daemon_type == 'mds' and need_upgrade
and not self._prepare_for_mds_upgrade(
target_major, [d_entry[0]
for d_entry in need_upgrade])):
return
if need_upgrade:
self.upgrade_info_str = 'Currently upgrading %s daemons' % (
daemon_type)
to_upgrade: List[Tuple[DaemonDescription, bool]] = []
known_ok_to_stop: List[str] = []
for d_entry in need_upgrade:
d = d_entry[0]
assert d.daemon_type is not None
assert d.daemon_id is not None
assert d.hostname is not None
if not d.container_image_id:
if d.container_image_name == target_image:
logger.debug(
'daemon %s has unknown container_image_id but has correct image name'
% (d.name()))
continue
if known_ok_to_stop:
if d.name() in known_ok_to_stop:
logger.info(
f'Upgrade: {d.name()} is also safe to restart')
to_upgrade.append(d_entry)
continue
if d.daemon_type in ['mon', 'osd', 'mds']:
# NOTE: known_ok_to_stop is an output argument for
# _wait_for_ok_to_stop
if not self._wait_for_ok_to_stop(d, known_ok_to_stop):
return
to_upgrade.append(d_entry)
# if we don't have a list of others to consider, stop now
if not known_ok_to_stop:
break
num = 1
for d_entry in to_upgrade:
d = d_entry[0]
assert d.daemon_type is not None
assert d.daemon_id is not None
assert d.hostname is not None
self._update_upgrade_progress(done / len(daemons))
# make sure host has latest container image
out, errs, code = CephadmServe(self.mgr)._run_cephadm(
d.hostname,
'',
'inspect-image', [],
image=target_image,
no_fsid=True,
error_ok=True)
if code or not any(d in target_digests
for d in json.loads(''.join(out)).get(
'repo_digests', [])):
logger.info('Upgrade: Pulling %s on %s' %
(target_image, d.hostname))
self.upgrade_info_str = 'Pulling %s image on host %s' % (
target_image, d.hostname)
out, errs, code = CephadmServe(self.mgr)._run_cephadm(
d.hostname,
'',
'pull', [],
image=target_image,
no_fsid=True,
error_ok=True)
if code:
self._fail_upgrade(
'UPGRADE_FAILED_PULL', {
'severity':
'warning',
'summary':
'Upgrade: failed to pull target image',
'count':
1,
'detail': [
'failed to pull %s on host %s' %
(target_image, d.hostname)
],
})
return
r = json.loads(''.join(out))
if not any(d in target_digests
for d in r.get('repo_digests', [])):
logger.info(
'Upgrade: image %s pull on %s got new digests %s (not %s), restarting'
% (target_image, d.hostname, r['repo_digests'],
target_digests))
self.upgrade_info_str = 'Image %s pull on %s got new digests %s (not %s), restarting' % (
target_image, d.hostname, r['repo_digests'],
target_digests)
self.upgrade_state.target_digests = r['repo_digests']
self._save_upgrade_state()
return
self.upgrade_info_str = 'Currently upgrading %s daemons' % (
daemon_type)
if len(to_upgrade) > 1:
logger.info(
'Upgrade: Updating %s.%s (%d/%d)' %
(d.daemon_type, d.daemon_id, num, len(to_upgrade)))
else:
logger.info('Upgrade: Updating %s.%s' %
(d.daemon_type, d.daemon_id))
action = 'Upgrading' if not d_entry[1] else 'Redeploying'
try:
daemon_spec = CephadmDaemonDeploySpec.from_daemon_description(
d)
self.mgr._daemon_action(
daemon_spec,
'redeploy',
image=target_image if not d_entry[1] else None)
except Exception as e:
self._fail_upgrade(
'UPGRADE_REDEPLOY_DAEMON', {
'severity': 'warning',
'summary':
f'{action} daemon {d.name()} on host {d.hostname} failed.',
'count': 1,
'detail': [f'Upgrade daemon: {d.name()}: {e}'],
})
return
num += 1
if to_upgrade:
return
# complete mon upgrade?
if daemon_type == 'mon':
if not self.mgr.get("have_local_config_map"):
logger.info(
'Upgrade: Restarting mgr now that mons are running pacific'
)
need_upgrade_self = True
if need_upgrade_self:
try:
self.mgr.mgr_service.fail_over()
except OrchestratorError as e:
self._fail_upgrade(
'UPGRADE_NO_STANDBY_MGR', {
'severity':
'warning',
'summary':
f'Upgrade: {e}',
'count':
1,
'detail': [
'The upgrade process needs to upgrade the mgr, '
'but it needs at least one standby to proceed.',
],
})
return
return # unreachable code, as fail_over never returns
elif daemon_type == 'mgr':
if 'UPGRADE_NO_STANDBY_MGR' in self.mgr.health_checks:
del self.mgr.health_checks['UPGRADE_NO_STANDBY_MGR']
self.mgr.set_health_checks(self.mgr.health_checks)
# make sure 'ceph versions' agrees
ret, out_ver, err = self.mgr.check_mon_command({
'prefix':
'versions',
})
j = json.loads(out_ver)
for version, count in j.get(daemon_type, {}).items():
short_version = version.split(' ')[2]
if short_version != target_version:
logger.warning(
'Upgrade: %d %s daemon(s) are %s != target %s' %
(count, daemon_type, short_version, target_version))
# push down configs
daemon_type_section = name_to_config_section(daemon_type)
if image_settings.get(daemon_type_section) != target_image:
logger.info('Upgrade: Setting container_image for all %s' %
daemon_type)
self.mgr.set_container_image(daemon_type_section, target_image)
to_clean = []
for section in image_settings.keys():
if section.startswith(
name_to_config_section(daemon_type) + '.'):
to_clean.append(section)
if to_clean:
logger.debug('Upgrade: Cleaning up container_image for %s' %
to_clean)
for section in to_clean:
ret, image, err = self.mgr.check_mon_command({
'prefix':
'config rm',
'name':
'container_image',
'who':
section,
})
logger.debug('Upgrade: All %s daemons are up to date.' %
daemon_type)
# complete osd upgrade?
if daemon_type == 'osd':
osdmap = self.mgr.get("osd_map")
osd_min_name = osdmap.get("require_osd_release", "argonaut")
osd_min = ceph_release_to_major(osd_min_name)
if osd_min < int(target_major):
logger.info(
f'Upgrade: Setting require_osd_release to {target_major} {target_major_name}'
)
ret, _, err = self.mgr.check_mon_command({
'prefix':
'osd require-osd-release',
'release':
target_major_name,
})
# complete mds upgrade?
if daemon_type == 'mds' and self.upgrade_state.fs_original_max_mds:
for i in self.mgr.get("fs_map")['filesystems']:
fs_id = i["id"]
fs_name = i['mdsmap']['fs_name']
new_max = self.upgrade_state.fs_original_max_mds.get(fs_id)
if new_max:
self.mgr.log.info(
'Upgrade: Scaling up filesystem %s max_mds to %d' %
(fs_name, new_max))
ret, _, err = self.mgr.check_mon_command({
'prefix':
'fs set',
'fs_name':
fs_name,
'var':
'max_mds',
'val':
str(new_max),
})
self.upgrade_state.fs_original_max_mds = {}
self._save_upgrade_state()
# clean up
logger.info('Upgrade: Finalizing container_image settings')
self.mgr.set_container_image('global', target_image)
for daemon_type in CEPH_UPGRADE_ORDER:
ret, image, err = self.mgr.check_mon_command({
'prefix':
'config rm',
'name':
'container_image',
'who':
name_to_config_section(daemon_type),
})
logger.info('Upgrade: Complete!')
if self.upgrade_state.progress_id:
self.mgr.remote('progress', 'complete',
self.upgrade_state.progress_id)
self.upgrade_state = None
self._save_upgrade_state()
return
