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from leapp import reporting
from leapp.actors import Actor
from leapp.libraries.common.config import get_env
from leapp.models import StorageInfo
from leapp.reporting import create_report, Report
from leapp.tags import ChecksPhaseTag, IPUWorkflowTag
class CheckNfs(Actor):
"""
Check if NFS filesystem is in use. If yes, inhibit the upgrade process.
Actor looks for NFS in the following sources: /ets/fstab and mount.
If there is NFS in any of the mentioned sources, actors inhibits the upgrade.
"""
name = "check_nfs"
consumes = (StorageInfo,)
produces = (Report,)
tags = (ChecksPhaseTag, IPUWorkflowTag,)
def process(self):
# if network in initramfs is enabled NFS inhibitors are redundant
if get_env('LEAPP_DEVEL_INITRAM_NETWORK', None):
return
details = "NFS is currently not supported by the inplace upgrade.\n" \
"We have found NFS usage at the following locations:\n"
def _is_nfs(a_type):
return a_type.startswith('nfs') and a_type != 'nfsd'
for storage in self.consume(StorageInfo):
# Check fstab
fstab_nfs_mounts = []
for fstab in storage.fstab:
if _is_nfs(fstab.fs_vfstype):
fstab_nfs_mounts.append(" - {} {}\n".format(fstab.fs_spec, fstab.fs_file))
# Check mount
nfs_mounts = []
for mount in storage.mount:
if _is_nfs(mount.tp):
nfs_mounts.append(" - {} {}\n".format(mount.name, mount.mount))
if any((fstab_nfs_mounts, nfs_mounts)):
if fstab_nfs_mounts:
details += "- NFS shares found in /etc/fstab:\n"
details += ''.join(fstab_nfs_mounts)
if nfs_mounts:
details += "- NFS shares currently mounted:\n"
details += ''.join(nfs_mounts)
fstab_related_resource = [reporting.RelatedResource('file', '/etc/fstab')] if fstab_nfs_mounts else []
create_report([
reporting.Title("Use of NFS detected. Upgrade can't proceed"),
reporting.Summary(details),
reporting.Severity(reporting.Severity.HIGH),
reporting.Groups([
reporting.Groups.FILESYSTEM,
reporting.Groups.NETWORK
]),
reporting.Remediation(hint='Disable NFS temporarily for the upgrade if possible.'),
reporting.ExternalLink(
url='https://access.redhat.com/solutions/6964006',
title='Why does leapp upgrade fail on detecting NFS during upgrade?'
),
reporting.Groups([reporting.Groups.INHIBITOR]),
] + fstab_related_resource
)