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kernel.py
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kernel.py
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"""
Kernel installation task
"""
import logging
import os
import re
import shlex
from io import StringIO
from teuthology.util.compat import urljoin
from teuthology import misc as teuthology
from teuthology.parallel import parallel
from teuthology.config import config as teuth_config
from teuthology.orchestra import run
from teuthology.exceptions import (
UnsupportedPackageTypeError,
ConfigError,
VersionNotFoundError,
)
from teuthology.packaging import (
install_package,
get_koji_build_info,
get_kojiroot_base_url,
get_koji_package_name,
get_koji_task_rpm_info,
get_koji_task_result,
get_builder_project,
)
from teuthology.task.install.deb import install_dep_packages
log = logging.getLogger(__name__)
CONFIG_DEFAULT = {'branch': 'main'}
TIMEOUT_DEFAULT = 300
VERSION_KEYS = ['branch', 'tag', 'sha1', 'deb', 'rpm', 'koji', 'koji_task']
def normalize_config(ctx, config):
"""
Returns a config whose keys are all real roles.
Generic roles (client, mon, osd, etc.) are replaced with
the actual roles (client.0, client.1, etc.). If the config
specifies a different version for a specific role, this is
unchanged.
For example, with 4 OSDs this::
osd:
tag: v3.0
kdb: true
osd.1:
branch: new_btrfs
kdb: false
osd.3:
deb: /path/to/linux-whatever.deb
is transformed into::
osd.0:
tag: v3.0
kdb: true
osd.1:
branch: new_btrfs
kdb: false
osd.2:
tag: v3.0
kdb: true
osd.3:
deb: /path/to/linux-whatever.deb
If config is None or just specifies a version to use,
it is applied to all nodes.
:param ctx: Context
:param config: Configuration
"""
log.info(f'normalize config orig: {config}')
if not config or \
len([x for x in config.keys() if x in
VERSION_KEYS + ['kdb', 'flavor', 'hwe']]) == len(config.keys()):
new_config = {}
if not config:
config = CONFIG_DEFAULT
for role in teuthology.all_roles(ctx.cluster):
new_config[role] = config.copy()
return new_config
new_config = {}
for role, role_config in config.items():
if role_config is None:
role_config = CONFIG_DEFAULT
if '.' in role:
new_config[role] = role_config.copy()
else:
for id_ in teuthology.all_roles_of_type(ctx.cluster, role):
name = '{type}.{id}'.format(type=role, id=id_)
# specific overrides generic
if name not in config:
new_config[name] = role_config.copy()
log.info(f'normalize config final: {new_config}')
return new_config
def normalize_and_apply_overrides(ctx, config, overrides):
"""
kernel task config is hierarchical and needs to be transformed into
a normal form, see normalize_config() for details. Applying overrides is
also more involved compared to other tasks because of the number of ways
a version of the kernel to install can be specified.
Returns a (normalized config, timeout) tuple.
:param ctx: Context
:param config: Configuration
"""
timeout = TIMEOUT_DEFAULT
if 'timeout' in config:
timeout = config.pop('timeout')
config = normalize_config(ctx, config)
if 'timeout' in overrides:
timeout = overrides.pop('timeout')
if overrides:
overrides = normalize_config(ctx, overrides)
log.debug('normalized overrides %s' % overrides)
# Handle a case when a version specified with one type of version key
# is overridden by a version specified with another type of version key
# (e.g. 'branch: foo' is overridden with 'tag: bar'). To be able to
# use deep_merge(), drop all version keys from the original config if
# the corresponding override has a version key.
for role, role_config in config.items():
if (role in overrides and
any(k in overrides[role] for k in VERSION_KEYS)):
for k in VERSION_KEYS:
role_config.pop(k, None)
teuthology.deep_merge(config, overrides)
return (config, timeout)
def validate_config(ctx, config):
"""
Make sure that all kernels in the list of remove kernels
refer to the same kernel.
:param ctx: Context
:param config: Configuration
"""
for _, roles_for_host in ctx.cluster.remotes.items():
kernel = None
for role in roles_for_host:
role_kernel = config.get(role, kernel)
if kernel is None:
kernel = role_kernel
elif role_kernel is not None:
assert kernel == role_kernel, \
"everything on the same host must use the same kernel"
if role in config:
del config[role]
def need_to_install(ctx, role, version):
"""
Check to see if we need to install a kernel. Get the version of the
currently running kernel, and compare it against the value passed in.
:param ctx: Context
:param role: Role
:param version: value to compare against (used in checking), can be either
a utsrelease string (e.g. '3.13.0-rc3-ceph-00049-ge2817b3')
or a sha1.
"""
ret = True
log.info('Checking kernel version of {role}, want "{ver}"...'.format(
role=role, ver=version))
uname_fp = StringIO()
ctx.cluster.only(role).run(
args=[
'uname',
'-r',
],
stdout=uname_fp,
)
cur_version = uname_fp.getvalue().rstrip('\n')
log.debug('current kernel version is {ver} vs {want}'.format(ver=cur_version,
want=version))
if '.' in str(version):
if cur_version == version:
log.debug('utsrelease strings match, do not need to install')
ret = False
os_type = teuthology.get_distro(ctx)
log.debug("Distro of this test job: {}".format(os_type))
if os_type in ['sle', 'opensuse']:
cur_version_match = re.search('(.*)-default$', cur_version)
if cur_version_match:
cur_version_rp = cur_version_match.group(1)
if cur_version_rp in version:
log.debug('"{}" is a substring of "{}" - the latest {} kernel is running'
.format(cur_version_rp, version, os_type))
ret = False
else:
log.debug('failed to parse current kernel version {} (os_type is "{}")'
.format(cur_version, os_type))
else:
# version is sha1, need to try to extract sha1 from cur_version
match = re.search('[-_]g([0-9a-f]{6,40})', cur_version)
if match:
cur_sha1 = match.group(1)
log.debug('extracting sha1, {ver} -> {sha1}'.format(
ver=cur_version, sha1=cur_sha1))
m = min(len(cur_sha1), len(version))
assert m >= 6, "cur_sha1 and/or version is too short, m = %d" % m
if cur_sha1[0:m] == version[0:m]:
log.debug('extracted sha1 matches, do not need to install')
ret = False
else:
log.debug('failed to parse current kernel version')
uname_fp.close()
return ret
def install_firmware(ctx, config):
"""
Go to the github to get the latest firmware.
:param ctx: Context
:param config: Configuration
"""
linux_firmware_git_upstream = 'git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git'
uri = teuth_config.linux_firmware_git_url or linux_firmware_git_upstream
fw_dir = '/lib/firmware/updates'
for role in config.keys():
if isinstance(config[role], str) and config[role].find('distro') >= 0:
log.info('Skipping firmware on distro kernel');
return
(role_remote,) = ctx.cluster.only(role).remotes.keys()
package_type = role_remote.os.package_type
if package_type == 'rpm':
role_remote.run(args=[
'sudo', 'yum', 'upgrade', '-y', 'linux-firmware',
])
continue
log.info('Installing linux-firmware on {role}...'.format(role=role))
role_remote.run(
args=[
# kludge around mysterious 0-byte .git/HEAD files
'cd', fw_dir,
run.Raw('&&'),
'test', '-d', '.git',
run.Raw('&&'),
'test', '!', '-s', '.git/HEAD',
run.Raw('&&'),
'sudo', 'rm', '-rf', '.git',
run.Raw(';'),
# init
'sudo', 'install', '-d', '-m0755', fw_dir,
run.Raw('&&'),
'cd', fw_dir,
run.Raw('&&'),
'sudo', 'git', 'init',
],
)
role_remote.run(
args=[
'sudo', 'git', '--git-dir=%s/.git' % fw_dir, 'config',
'--get', 'remote.origin.url', run.Raw('>/dev/null'),
run.Raw('||'),
'sudo', 'git', '--git-dir=%s/.git' % fw_dir,
'remote', 'add', 'origin', uri,
],
)
# In case the remote already existed, set its url
role_remote.run(
args=[
'sudo', 'git', '--git-dir=%s/.git' % fw_dir, 'remote',
'set-url', 'origin', uri, run.Raw('>/dev/null')
]
)
role_remote.run(
args=[
'cd', fw_dir,
run.Raw('&&'),
'sudo', 'git', 'fetch', 'origin',
run.Raw('&&'),
'sudo', 'git', 'reset', '--hard', 'origin/main'
],
)
def gitbuilder_pkg_name(remote):
if remote.os.package_type == 'rpm':
pkg_name = 'kernel.x86_64.rpm'
elif remote.os.package_type == 'deb':
pkg_name = 'linux-image.deb'
else:
raise UnsupportedPackageTypeError(remote)
return pkg_name
def remote_pkg_path(remote):
"""
This is where kernel packages are copied over (in case of local
packages) or downloaded to (in case of gitbuilder packages) and
then installed from.
"""
return os.path.join('/tmp', gitbuilder_pkg_name(remote))
def download_kernel(ctx, config):
"""
Supply each remote with a kernel package:
- local kernels are copied over
- gitbuilder kernels are downloaded
- nothing is done for distro kernels
:param ctx: Context
:param config: Configuration
"""
procs = {}
for role, src in config.items():
needs_download = False
if src == 'distro':
# don't need to download distro kernels
log.debug("src is distro, skipping download");
continue
(role_remote,) = ctx.cluster.only(role).remotes.keys()
if isinstance(src, dict):
# we're downloading a kernel from koji, the src dict here
# is the build_info retrieved from koji using get_koji_build_info
if src.get("id"):
build_id = src["id"]
log.info("Downloading kernel with build_id {build_id} on {role}...".format(
build_id=build_id,
role=role
))
needs_download = True
baseurl = get_kojiroot_base_url(src)
pkg_name = get_koji_package_name("kernel", src)
elif src.get("task_id"):
needs_download = True
log.info("Downloading kernel with task_id {task_id} on {role}...".format(
task_id=src["task_id"],
role=role
))
baseurl = src["base_url"]
# this var is also poorly named as it's not the package name,
# but the full name of the rpm file to download.
pkg_name = src["rpm_name"]
elif src.find('/') >= 0:
# local package - src is path
log.info('Copying kernel package {path} to {role}...'.format(
path=src, role=role))
role_remote.put_file(src,remote_pkg_path(role_remote))
else:
# gitbuilder package - src is sha1
log.info('Downloading kernel {sha1} on {role}...'.format(
sha1=src,
role=role,
))
needs_download = True
builder = get_builder_project()(
'kernel',
{'sha1': src},
ctx=ctx,
remote=role_remote,
)
if teuth_config.use_shaman:
if role_remote.os.package_type == 'rpm':
arch = builder.arch
baseurl = urljoin(
builder.base_url,
'/'.join([arch, ''])
)
pkg_name = "kernel-%s.%s.rpm" % (
builder.version,
arch,
)
elif role_remote.os.package_type == 'deb':
arch = 'amd64' # FIXME
baseurl = urljoin(
builder.base_url,
'/'.join([
'pool', 'main', 'l',
'linux-%s' % builder.scm_version, ''
])
)
pkg_name = 'linux-image-%s_%s_%s.deb' % (
builder.scm_version,
builder.version,
arch,
)
else:
baseurl = builder.base_url + "/"
pkg_name = gitbuilder_pkg_name(role_remote)
log.info("fetching, builder baseurl is %s", baseurl)
if needs_download:
proc = role_remote.run(
args=[
'rm', '-f', remote_pkg_path(role_remote),
run.Raw('&&'),
'echo',
pkg_name,
run.Raw('|'),
'wget',
'-nv',
'-O',
remote_pkg_path(role_remote),
'--base={url}'.format(url=baseurl),
'--input-file=-',
],
wait=False)
procs[role_remote.name] = proc
for name, proc in procs.items():
log.debug('Waiting for download/copy to %s to complete...', name)
proc.wait()
def _no_grub_link(in_file, remote, kernel_ver):
"""
Copy and link kernel related files if grub cannot be used
(as is the case in Arm kernels)
:param infile: kernel file or image file to be copied.
:param remote: remote machine
:param kernel_ver: kernel version
"""
boot1 = '/boot/%s' % in_file
boot2 = '%s.old' % boot1
remote.run(
args=[
'if', 'test', '-e', boot1, run.Raw(';'), 'then',
'sudo', 'mv', boot1, boot2, run.Raw(';'), 'fi',],
)
remote.run(
args=['sudo', 'ln', '-s', '%s-%s' % (in_file, kernel_ver) , boot1, ],
)
def install_latest_rh_kernel(ctx, config):
"""
Installs the lastest z stream kernel
Reboot for the new kernel to take effect
"""
if config is None:
config = {}
if config.get('skip'):
return
with parallel() as p:
for remote in ctx.cluster.remotes.keys():
p.spawn(update_rh_kernel, remote)
def update_rh_kernel(remote):
package_type = remote.os.package_type
remote.run(args=['uname', '-a'])
import time
if package_type == 'rpm':
update_log = remote.sh('sudo yum update -y kernel')
log.info(update_log)
if not update_log.find("Installed") == -1:
log.info("Kernel updated to latest z stream on %s", remote.shortname)
log.info("Rebooting %s", remote.shortname)
remote.run(args=['sudo', 'shutdown', '-r', 'now'], wait=False)
time.sleep(40)
log.info("Reconnecting after reboot")
remote.reconnect(timeout=300)
remote.run(args=['uname', '-a'])
elif not update_log.find('No packages marked for update') == -1:
log.info("Latest version already installed on %s", remote.shortname)
def install_and_reboot(ctx, need_install, config):
"""
Install and reboot the kernel. This mostly performs remote
installation operations. The code does check for Arm images
and skips grub operations if the kernel is Arm. Otherwise, it
extracts kernel titles from submenu entries and makes the appropriate
grub calls. The assumptions here are somewhat simplified in that
it expects kernel entries to be present under submenu entries.
:param ctx: Context
:param need_install: map from caller
:param config: Configuration
"""
procs = {}
kernel_title = ''
for role, src in need_install.items():
(role_remote,) = ctx.cluster.only(role).remotes.keys()
if isinstance(src, str) and src.find('distro') >= 0:
log.info('Installing distro kernel on {role}...'.format(role=role))
install_kernel(role_remote, config[role], version=src)
continue
log.info('Installing kernel {src} on {role}...'.format(src=src,
role=role))
package_type = role_remote.os.package_type
if package_type == 'rpm':
proc = role_remote.run(
args=[
'sudo',
'rpm',
'-ivh',
'--oldpackage',
'--replacefiles',
'--replacepkgs',
remote_pkg_path(role_remote),
])
install_kernel(role_remote, config[role], path=remote_pkg_path(role_remote))
continue
# TODO: Refactor this into install_kernel() so that it handles all
# cases for both rpm and deb packages.
proc = role_remote.run(
args=[
# install the kernel deb
'sudo',
'dpkg',
'-i',
remote_pkg_path(role_remote),
],
)
# collect kernel image name from the .deb
kernel_title = get_image_version(role_remote,
remote_pkg_path(role_remote))
log.info('searching for kernel {}'.format(kernel_title))
if kernel_title.endswith("-highbank"):
_no_grub_link('vmlinuz', role_remote, kernel_title)
_no_grub_link('initrd.img', role_remote, kernel_title)
proc = role_remote.run(
args=[
'sudo',
'shutdown',
'-r',
'now',
],
wait=False,
)
procs[role_remote.name] = proc
continue
# look for menuentry for our kernel, and collect any
# submenu entries for their titles. Assume that if our
# kernel entry appears later in the file than a submenu entry,
# it's actually nested under that submenu. If it gets more
# complex this will totally break.
kernel_entries = role_remote.sh([
'egrep',
'(submenu|menuentry.*' + kernel_title + ').*{',
'/boot/grub/grub.cfg'
]).split('\n')
submenu_title = ''
default_title = ''
for l in kernel_entries:
fields = shlex.split(l)
if len(fields) >= 2:
command, title = fields[:2]
if command == 'submenu':
submenu_title = title + '>'
if command == 'menuentry':
if title.endswith(kernel_title):
default_title = title
break
log.info('submenu_title:{}'.format(submenu_title))
log.info('default_title:{}'.format(default_title))
proc = role_remote.run(
args=[
# use the title(s) to construct the content of
# the grub menu entry, so we can default to it.
'/bin/echo',
'-e',
r'cat <<EOF\nset default="' + submenu_title + \
default_title + r'"\nEOF\n',
# make it look like an emacs backup file so
# unfortunately timed update-grub runs don't pick it
# up yet; use sudo tee so we are able to write to /etc
run.Raw('|'),
'sudo',
'tee',
'--',
'/etc/grub.d/01_ceph_kernel.tmp~',
run.Raw('>/dev/null'),
run.Raw('&&'),
'sudo',
'chmod',
'a+x',
'--',
'/etc/grub.d/01_ceph_kernel.tmp~',
run.Raw('&&'),
'sudo',
'mv',
'--',
'/etc/grub.d/01_ceph_kernel.tmp~',
'/etc/grub.d/01_ceph_kernel',
# update grub again so it accepts our default
run.Raw('&&'),
'sudo',
'update-grub',
run.Raw('&&'),
'rm',
remote_pkg_path(role_remote),
run.Raw('&&'),
# work around a systemd issue, where network gets shut down
# before ssh can close its session
run.Raw('('),
'sleep',
'1',
run.Raw('&&'),
'sudo',
'shutdown',
'-r',
'now',
run.Raw('&'),
run.Raw(')'),
],
wait=False,
)
procs[role_remote.name] = proc
for name, proc in procs.items():
log.debug('Waiting for install on %s to complete...', name)
proc.wait()
def enable_disable_kdb(ctx, config):
"""
Enable kdb on remote machines in use. Disable on those that are
not in use.
:param ctx: Context
:param config: Configuration
"""
for role, enable in config.items():
(role_remote,) = ctx.cluster.only(role).remotes.keys()
if "mira" in role_remote.name:
serialdev = "ttyS2"
else:
serialdev = "ttyS1"
if enable:
log.info('Enabling kdb on {role}...'.format(role=role))
try:
role_remote.run(
args=[
'echo', serialdev,
run.Raw('|'),
'sudo', 'tee', '/sys/module/kgdboc/parameters/kgdboc'
])
except run.CommandFailedError:
log.warning('Kernel does not support kdb')
else:
log.info('Disabling kdb on {role}...'.format(role=role))
# Add true pipe so command doesn't fail on kernel without kdb support.
try:
role_remote.run(
args=[
'echo', '',
run.Raw('|'),
'sudo', 'tee', '/sys/module/kgdboc/parameters/kgdboc',
run.Raw('|'),
'true',
])
except run.CommandFailedError:
log.warning('Kernel does not support kdb')
def wait_for_reboot(ctx, need_install, timeout, config, distro=False):
"""
Loop reconnecting and checking kernel versions until
they're all correct or the timeout is exceeded.
:param ctx: Context
:param need_install: list of packages that we need to reinstall.
:param timeout: number of second before we timeout.
"""
import time
# do not try to reconnect immediately after triggering the reboot,
# because the reboot sequence might not have started yet (!) --
# see https://tracker.ceph.com/issues/44187
time.sleep(30)
starttime = time.time()
while need_install:
for client in list(need_install.keys()):
if 'distro' in str(need_install[client]):
distro = True
log.info('Checking client {client} for new kernel version...'.format(client=client))
try:
(remote,) = ctx.cluster.only(client).remotes.keys()
remote.reconnect(timeout=timeout)
if distro:
assert not need_to_install_distro(remote, config[client]), \
'failed to install new distro kernel version within timeout'
else:
assert not need_to_install(ctx, client, need_install[client]), \
'failed to install new kernel version within timeout'
del need_install[client]
except Exception:
log.exception("Saw exception")
# ignore connection resets and asserts while time is left
if time.time() - starttime > timeout:
raise
time.sleep(1)
def get_version_of_running_kernel(remote):
"""
Get the current running kernel version in a format that can be compared
with the output of "rpm -q kernel..."
"""
dist_release = remote.os.name
uname_r = remote.sh("uname -r").strip()
current = None
if dist_release in ['opensuse', 'sle']:
# "uname -r" returns 4.12.14-lp151.28.36-default
# "rpm -q kernel-default" returns 4.12.14-lp151.28.36.1.x86_64
# In order to be able to meaningfully check whether the former
# is "in" the latter, we have to chop off the "-default".
current = re.sub(r"-default$", "", uname_r)
else:
current = uname_r
return current
def need_to_install_distro(remote, role_config):
"""
Installing kernels on rpm won't setup grub/boot into them. This installs
the newest kernel package and checks its version and compares against
the running kernel (uname -r). Similar check for deb.
:returns: False if running the newest distro kernel. Returns the version of
the newest if it is not running.
"""
dist_release = remote.os.name
package_type = remote.os.package_type
current = get_version_of_running_kernel(remote)
log.info("Running kernel on {node}: {version}".format(
node=remote.shortname, version=current))
installed_version = None
if package_type == 'rpm':
if dist_release in ['opensuse', 'sle']:
install_stdout = remote.sh(
'sudo zypper --non-interactive install kernel-default'
)
else:
install_stdout = remote.sh(
'sudo yum install -y kernel'
)
match = re.search(
"Package (.*) already installed",
install_stdout, flags=re.MULTILINE)
if 'Nothing to do' in install_stdout:
installed_version = match.groups()[0] if match else ''
err_mess = StringIO()
err_mess.truncate(0)
remote.run(args=['echo', 'no', run.Raw('|'), 'sudo', 'yum',
'reinstall', 'kernel', run.Raw('||'), 'true'],
stderr=err_mess)
reinstall_stderr = err_mess.getvalue()
err_mess.close()
if 'Skipping the running kernel' in reinstall_stderr:
running_version = re.search(
"Skipping the running kernel: (.*)",
reinstall_stderr, flags=re.MULTILINE).groups()[0]
if installed_version == running_version:
log.info(
'Newest distro kernel already installed and running')
return False
else:
remote.run(args=['sudo', 'yum', 'reinstall', '-y', 'kernel',
run.Raw('||'), 'true'])
newest = get_latest_image_version_rpm(remote)
if package_type == 'deb':
newest = get_latest_image_version_deb(remote, dist_release, role_config)
if current in newest or current.replace('-', '_') in newest:
log.info('Newest distro kernel installed and running')
return False
log.info(
'Not newest distro kernel. Current: {cur} Expected: {new}'.format(
cur=current, new=newest))
return newest
def maybe_generate_initrd_rpm(remote, path, version):
"""
Generate initrd with mkinitrd if the hooks that should make it
happen on its own aren't there.
:param path: rpm package path
:param version: kernel version to generate initrd for
e.g. 3.18.0-rc6-ceph-00562-g79a9fa5
"""
out = remote.sh(['rpm', '--scripts', '-qp', path])
if 'bin/installkernel' in out or 'bin/kernel-install' in out:
return
log.info("No installkernel or kernel-install hook in %s, "
"will generate initrd for %s", path, version)
remote.run(
args=[
'sudo',
'mkinitrd',
'--allow-missing',
'-f', # overwrite existing initrd
'/boot/initramfs-' + version + '.img',
version,
])
def install_kernel(remote, role_config, path=None, version=None):
"""
A bit of misnomer perhaps - the actual kernel package is installed
elsewhere, this function deals with initrd and grub. Currently the
following cases are handled:
- local, gitbuilder, distro for rpm packages
- distro for deb packages - see TODO in install_and_reboot()
TODO: reboots should be issued from install_and_reboot()
:param path: package path (for local and gitbuilder cases)
:param version: for RPM distro kernels, pass this to update_grub_rpm
"""
dist_release = remote.os.name
templ = "install_kernel(remote={remote}, path={path}, version={version})"
log.debug(templ.format(remote=remote, path=path, version=version))
package_type = remote.os.package_type
if package_type == 'rpm':
if dist_release in ['opensuse', 'sle']:
# FIXME
pass
else:
if path:
version = get_image_version(remote, path)
# This is either a gitbuilder or a local package and both of these
# could have been built with upstream rpm targets with specs that
# don't have a %post section at all, which means no initrd.
maybe_generate_initrd_rpm(remote, path, version)
elif not version or version == 'distro':
version = get_latest_image_version_rpm(remote)
update_grub_rpm(remote, version)
remote.run( args=['sudo', 'shutdown', '-r', 'now'], wait=False )
return
if package_type == 'deb':
newversion = get_latest_image_version_deb(remote, dist_release, role_config)
if 'ubuntu' in dist_release:
grub2conf = teuthology.get_file(remote,
'/boot/grub/grub.cfg', sudo=True).decode()
submenu = ''
menuentry = ''
for line in grub2conf.split('\n'):
if 'submenu' in line:
submenu = line.split('submenu ')[1]
# Ubuntu likes to be sneaky and change formatting of
# grub.cfg between quotes/doublequotes between versions
if submenu.startswith("'"):
submenu = submenu.split("'")[1]
if submenu.startswith('"'):
submenu = submenu.split('"')[1]
if 'menuentry' in line:
if newversion in line and 'recovery' not in line:
menuentry = line.split('\'')[1]
break
if submenu:
grubvalue = submenu + '>' + menuentry
else:
grubvalue = menuentry
grubfile = 'cat <<EOF\nset default="' + grubvalue + '"\nEOF'
teuthology.delete_file(remote, '/etc/grub.d/01_ceph_kernel', sudo=True, force=True)
teuthology.sudo_write_file(remote, '/etc/grub.d/01_ceph_kernel', StringIO(grubfile), '755')
log.info('Distro Kernel Version: {version}'.format(version=newversion))
remote.run(args=['sudo', 'update-grub'])
remote.run(args=['sudo', 'shutdown', '-r', 'now'], wait=False )
return
if 'debian' in dist_release:
grub2_kernel_select_generic(remote, newversion, 'deb')
log.info('Distro Kernel Version: {version}'.format(version=newversion))
remote.run( args=['sudo', 'shutdown', '-r', 'now'], wait=False )
return
def update_grub_rpm(remote, newversion):
"""
Updates grub file to boot new kernel version on both legacy grub/grub2.
"""
grub='grub2'
# Check if grub2 is isntalled
try:
remote.run(args=['sudo', 'rpm', '-qi', 'grub2-tools'])
except Exception:
grub = 'legacy'
log.info('Updating Grub Version: {grub}'.format(grub=grub))
if grub == 'legacy':
data = ''
#Write new legacy grub entry.
newgrub = generate_legacy_grub_entry(remote, newversion)
for line in newgrub:
data += line + '\n'
temp_file_path = remote.mktemp()
teuthology.sudo_write_file(remote, temp_file_path, StringIO(data), '755')
teuthology.move_file(remote, temp_file_path, '/boot/grub/grub.conf', True)
else:
#Update grub menu entry to new version.
grub2_kernel_select_generic(remote, newversion, 'rpm')
def grub2_kernel_select_generic(remote, newversion, ostype):
"""
Can be used on DEB and RPM. Sets which entry should be boted by entrynum.
"""
log.info("Updating grub on {node} to boot {version}".format(
node=remote.shortname, version=newversion))
if ostype == 'rpm':
grubset = 'grub2-set-default'
mkconfig = 'grub2-mkconfig'
grubconfig = '/boot/grub2/grub.cfg'
if ostype == 'deb':
grubset = 'grub-set-default'
grubconfig = '/boot/grub/grub.cfg'
mkconfig = 'grub-mkconfig'
remote.run(args=['sudo', mkconfig, '-o', grubconfig, ])
grub2conf = teuthology.get_file(remote, grubconfig, sudo=True).decode()
entry_num = 0
if '\nmenuentry ' not in grub2conf:
# okay, do the newer (el8) grub2 thing
grub2conf = remote.sh('sudo /bin/ls /boot/loader/entries || true')
entry = None
for line in grub2conf.split('\n'):
if line.endswith('.conf') and newversion in line:
entry = line[:-5] # drop .conf suffix
break
else:
# do old menuitem counting thing
for line in grub2conf.split('\n'):
if line.startswith('menuentry '):
if newversion in line:
break
entry_num += 1
entry = str(entry_num)
if entry is None:
log.warning('Unable to update grub2 order')
else:
remote.run(args=['sudo', grubset, entry])
def generate_legacy_grub_entry(remote, newversion):
"""
This will likely need to be used for ceph kernels as well
as legacy grub rpm distros don't have an easy way of selecting
a kernel just via a command. This generates an entry in legacy
grub for a new kernel version using the existing entry as a base.
"""
grubconf = teuthology.get_file(remote,
'/boot/grub/grub.conf', sudo=True).decode()
titleline = ''
rootline = ''
kernelline = ''
initline = ''
kernelversion = ''
linenum = 0
titlelinenum = 0
#Grab first kernel entry (title/root/kernel/init lines)
for line in grubconf.split('\n'):
if re.match('^title', line):
titleline = line
titlelinenum = linenum
if re.match('(^\s+)root', line):
rootline = line
if re.match('(^\s+)kernel', line):
kernelline = line
for word in line.split(' '):
if 'vmlinuz' in word:
kernelversion = word.split('vmlinuz-')[-1]
if re.match('(^\s+)initrd', line):
initline = line
if (kernelline != '') and (initline != ''):
break
else:
linenum += 1
#insert new entry into grubconfnew list:
linenum = 0