def check_custom_repos_are_valid():
"""To prevent failures past the PONR, make sure that the enabled custom repositories are valid.
What is meant by valid:
- YUM/DNF is able to find the repoids (to rule out a typo)
- the repository "baseurl" is accessible and contains repository metadata
"""
logger.task(
"Prepare: Checking if --enablerepo repositories are accessible")
if not tool_opts.no_rhsm:
logger.info(
"Skipping the check of repositories due to the use of RHSM for the conversion."
)
return
# Without clearing the metadata cache, the `yum makecache` command may return 0 (everything's ok) even when
# the baseurl of a repository is not accessible. That would happen when the repository baseurl is changed but yum
# still uses the previous baseurl stored in its cache.
call_yum_cmd(command="clean", args=["metadata"], print_output=False)
output, ret_code = call_yum_cmd(
command="makecache",
args=["-v", "--setopt=*.skip_if_unavailable=False"],
print_output=False)
if ret_code != 0:
logger.critical(
"Unable to access the repositories passed through the --enablerepo option. "
"For more details, see YUM/DNF output:\n{0}".format(output))
else:
logger.debug("Output of the previous yum command:\n{0}".format(output))
logger.info(
"The repositories passed through the --enablerepo option are all accessible."
)
def remove_subscription_manager():
loggerinst.info("Removing RHEL subscription-manager packages.")
# python3-subscription-manager-rhsm, dnf-plugin-subscription-manager, subscription-manager-rhsm-certificates, etc.
submgr_pkgs = pkghandler.get_installed_pkgs_by_fingerprint(system_info.fingerprints_rhel, "*subscription-manager*")
if not submgr_pkgs:
loggerinst.info("No packages related to subscription-manager installed.")
return
pkghandler.call_yum_cmd("remove", " ".join(submgr_pkgs), print_output=False)
def install_rhel_subscription_manager():
loggerinst = logging.getLogger(__name__)
loggerinst.info("Installing subscription-manager RPMs.")
rpms_to_install = [
os.path.join(SUBMGR_RPMS_DIR, filename)
for filename in os.listdir(SUBMGR_RPMS_DIR)
]
if not rpms_to_install:
loggerinst.warn("No RPMs found in %s." % SUBMGR_RPMS_DIR)
return
_, ret_code = pkghandler.call_yum_cmd(
# We're using distro-sync as there might be various versions of the subscription-manager pkgs installed
# and we need these packages to be replaced with the provided RPMs from RHEL.
"install",
" ".join(rpms_to_install),
# When installing subscription-manager packages, the RHEL repos are not available yet => we need to use
# the repos that are available on the system
enable_repos=[],
disable_repos=[],
# When using the original system repos, we need YUM/DNF to expand the $releasever by itself
set_releasever=False)
if ret_code:
loggerinst.critical("Failed to install subscription-manager packages."
" See the above yum output for details.")
else:
loggerinst.info("Packages installed:\n%s" % "\n".join(rpms_to_install))
def get_avail_repos():
"""Get list of all the repositories (their IDs) currently available for
the registered system.
"""
loggerinst = logging.getLogger(__name__)
repos_raw, ret_code = pkghandler.call_yum_cmd(command="repolist -v ",
print_output=False)
if ret_code:
loggerinst.critical("yum repolist command failed: \n\n" + repos_raw)
line = ""
repos = []
repo_id_prefix = "Repo-id : "
for line in repos_raw.split("\n"):
if (line.startswith(repo_id_prefix)):
repoID = line.split(repo_id_prefix)[1]
repos.append(repoID)
return repos
def install_rhel_subscription_manager():
loggerinst.info("Checking for subscription-manager RPMs.")
rpms_to_install = [
os.path.join(SUBMGR_RPMS_DIR, filename)
for filename in os.listdir(SUBMGR_RPMS_DIR)
]
if not rpms_to_install:
loggerinst.warning("No RPMs found in %s." % SUBMGR_RPMS_DIR)
return
# These functions have to be called before installation of the
# subscription-manager packages, otherwise
# `pkghandler.filter_installed_pkgs()` would return every single package
# that is listed in `rpms_to_install` and we don't want this to happen. We
# want to know about the packages that were installed before the
# installation of subscription-manager.
pkg_names = pkghandler.get_pkg_names_from_rpm_paths(rpms_to_install)
pkgs_to_not_track = pkghandler.filter_installed_pkgs(pkg_names)
loggerinst.info("Installing subscription-manager RPMs.")
_, ret_code = pkghandler.call_yum_cmd(
# We're using distro-sync as there might be various versions of the subscription-manager pkgs installed
# and we need these packages to be replaced with the provided RPMs from RHEL.
command="install",
args=rpms_to_install,
print_output=True,
# When installing subscription-manager packages, the RHEL repos are not available yet => we need to use
# the repos that are available on the system
enable_repos=[],
disable_repos=[],
# When using the original system repos, we need YUM/DNF to expand the $releasever by itself
set_releasever=False,
)
if ret_code:
loggerinst.critical(
"Failed to install subscription-manager packages. See the above yum output for details."
)
loggerinst.info("\nPackages installed:\n%s" % "\n".join(rpms_to_install))
track_installed_submgr_pkgs(pkg_names, pkgs_to_not_track)
def test_call_yum_cmd(self):
pkghandler.call_yum_cmd("install")
self.assertEqual(utils.run_subprocess.cmd, "yum install -y")
def test_call_yum_cmd_with_submgr_enabled_repos(self):
pkghandler.call_yum_cmd("install")
self.assertEqual(utils.run_subprocess.cmd,
"yum install -y --enablerepo=rhel-7-extras-rpm")
