✏️ Editing: vdsm.py Read Only

# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.

import glob
import json
import re
from sos.report.plugins import Plugin, RedHatPlugin

# This configuration is based on vdsm.storage.lvm.LVM_CONF_TEMPLATE.
#
# locking_type is set to 0 in order to match lvm sos commands. With this
# configuration we don't take any locks, so we will never block because
# there is a stuck lvm command.
# locking_type=0
#
# To prevent modifications to volume group metadata (for e.g. due to a
# automatically detected inconsistency), metadata_read_only is set to 1.
# metadata_read_only=1
#
# use_lvmetad is set to 0 in order not to show cached, old lvm metadata.
# use_lvmetad=0
#
# preferred_names, use_devicesfile and filter config values are set to
# capture Vdsm devices.
# preferred_names=[ '^/dev/mapper/' ]
# filter=[ 'a|^/dev/mapper/.*|', 'r|.*|' ]
LVM_CONFIG = """
global {
    locking_type=0
    metadata_read_only=1
    use_lvmetad=0
}
devices {
    preferred_names=["^/dev/mapper/"]
    ignore_suspended_devices=1
    write_cache_state=0
    disable_after_error_count=3
    use_devicesfile=0
    filter=["a|^/dev/disk/by-id/dm-uuid-mpath-|", "r|.+|"]
}
"""
LVM_CONFIG = re.sub(r"\s+", " ", LVM_CONFIG).strip()

class Vdsm(Plugin, RedHatPlugin):

short_desc = 'VDSM - Virtual Desktop and Server Manager'
    packages = (
        'vdsm',
        'vdsm-client',
    )

plugin_name = 'vdsm'

def setup(self):
        self.add_forbidden_path('/etc/pki/vdsm/keys')
        self.add_forbidden_path('/etc/pki/vdsm/*/*-key.*')
        self.add_forbidden_path('/etc/pki/libvirt/private')
        self.add_forbidden_path('/var/lib/vdsm/storage/transient_disks')

self.add_service_status(['vdsmd', 'supervdsmd'])

self.add_copy_spec([
            '/tmp/vds_installer*',
            '/tmp/vds_bootstrap*',
            '/etc/vdsm/*',
            '/etc/pki/vdsm/'
        ])

self.add_copy_spec('/var/log/vdsm/*')

self._add_vdsm_forbidden_paths()
        self.add_copy_spec([
            '/run/vdsm/*',
            '/usr/libexec/vdsm/hooks',
            '/var/lib/vdsm',
        ])

self.add_file_tags({
            "/etc/vdsm/vdsm.conf": "vdsm_conf",
            "/etc/vdsm/vdsm.id": "vdsm_id",
            "/var/log/vdsm/import/import-*.log": "vdsm_import_log"
        })

qemu_pids = self.get_process_pids('qemu-kvm')
        if qemu_pids:
            files = ["cmdline", "status", "mountstats"]
            self.add_copy_spec([
                f"/proc/{pid}/{name}"
                for pid in qemu_pids
                for name in files
            ])

self.add_dir_listing(
            ['/etc/vdsm', '/rhev/data-center'],
            runas='vdsm', recursive=True
        )

self.add_dir_listing('/rhev/data-center', tree=True)

self.add_cmd_output([
            f"lvm vgs -v -o +tags --config \'{LVM_CONFIG}\'",
            f"lvm lvs -v -o +tags --config \'{LVM_CONFIG}\'",
            f"lvm pvs -v -o +all --config \'{LVM_CONFIG}\'"
        ])

self.add_cmd_output([
            'vdsm-client Host getCapabilities',
            'vdsm-client Host getStats',
            'vdsm-client Host getAllVmStats',
            'vdsm-client Host getVMFullList',
            'vdsm-client Host getDeviceList',
            'vdsm-client Host hostdevListByCaps',
            'vdsm-client Host getAllTasksInfo',
            'vdsm-client Host getAllTasksStatuses'
        ])

try:
            res = self.collect_cmd_output(
                'vdsm-client Host getConnectedStoragePools'
            )
            if res['status'] == 0:
                pools = json.loads(res['output'])
                for pool in pools:
                    self.add_cmd_output(
                        f"vdsm-client StoragePool getSpmStatus "
                        f"storagepoolID={pool}"
                    )
        except ValueError as err:
            self._log_error(
                f'vdsm-client Host getConnectedStoragePools: {err}'
            )

try:
            res = self.collect_cmd_output('vdsm-client Host getStorageDomains')
            if res['status'] == 0:
                sd_uuids = json.loads(res['output'])
                dump_volume_chains_cmd = 'vdsm-tool dump-volume-chains %s'
                self.add_cmd_output([
                    dump_volume_chains_cmd % uuid for uuid in sd_uuids
                ])
        except ValueError as err:
            self._log_error(
                f'vdsm-client Host getStorageDomains: {err}'
            )

def _add_vdsm_forbidden_paths(self):
        """Add confidential sysprep vfds under /run/vdsm to
         forbidden paths """

for file_path in glob.glob("/run/vdsm/*"):
            if file_path.endswith(('.vfd', '/isoUploader', '/storage')):
                self.add_forbidden_path(file_path)

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