def config_restore_local(infile_name, infile_obj):
if (
status.is_service_running("cman")
or
status.is_service_running("corosync")
or
status.is_service_running("pacemaker")
or
status.is_service_running("pacemaker_remote")
):
utils.err(
"Cluster is currently running on this node. You need to stop "
"the cluster in order to restore the configuration."
)
file_list = config_backup_path_list(with_uid_gid=True)
tarball_file_list = []
version = None
try:
tarball = tarfile.open(infile_name, "r|*", infile_obj)
while True:
# next(tarball) does not work in python2.6
tar_member_info = tarball.next()
if tar_member_info is None:
break
if tar_member_info.name == "version.txt":
version_data = tarball.extractfile(tar_member_info)
version = version_data.read()
version_data.close()
continue
tarball_file_list.append(tar_member_info.name)
tarball.close()
required_file_list = [
tar_path
for tar_path, path_info in file_list.items()
if path_info["required"]
]
missing = set(required_file_list) - set(tarball_file_list)
if missing:
utils.err(
"unable to restore the cluster, missing files in backup: %s"
% ", ".join(missing)
)
config_backup_check_version(version)
if infile_obj:
infile_obj.seek(0)
tarball = tarfile.open(infile_name, "r|*", infile_obj)
while True:
# next(tarball) does not work in python2.6
tar_member_info = tarball.next()
if tar_member_info is None:
break
extract_info = None
path = tar_member_info.name
while path:
if path in file_list:
extract_info = file_list[path]
break
path = os.path.dirname(path)
if not extract_info:
continue
path_extract = os.path.dirname(extract_info["path"])
tarball.extractall(path_extract, [tar_member_info])
path_full = os.path.join(path_extract, tar_member_info.name)
file_attrs = extract_info["attrs"]
os.chmod(path_full, file_attrs["mode"])
os.chown(path_full, file_attrs["uid"], file_attrs["gid"])
tarball.close()
except (tarfile.TarError, EnvironmentError) as e:
utils.err("unable to restore the cluster: %s" % e)
try:
sig_path = os.path.join(settings.cib_dir, "cib.xml.sig")
if os.path.exists(sig_path):
os.remove(sig_path)
except EnvironmentError as e:
utils.err("unable to remove %s: %s" % (sig_path, e))
def config_restore_local(infile_name, infile_obj):
if (status.is_service_running("cman")
or status.is_service_running("corosync")
or status.is_service_running("pacemaker")
or status.is_service_running("pacemaker_remote")):
utils.err(
"Cluster is currently running on this node. You need to stop "
"the cluster in order to restore the configuration.")
file_list = config_backup_path_list(with_uid_gid=True)
tarball_file_list = []
version = None
tmp_dir = None
try:
tarball = tarfile.open(infile_name, "r|*", infile_obj)
while True:
# next(tarball) does not work in python2.6
tar_member_info = tarball.next()
if tar_member_info is None:
break
if tar_member_info.name == "version.txt":
version_data = tarball.extractfile(tar_member_info)
version = version_data.read()
version_data.close()
continue
tarball_file_list.append(tar_member_info.name)
tarball.close()
required_file_list = [
tar_path for tar_path, path_info in file_list.items()
if path_info["required"]
]
missing = set(required_file_list) - set(tarball_file_list)
if missing:
utils.err(
"unable to restore the cluster, missing files in backup: %s" %
", ".join(missing))
config_backup_check_version(version)
if infile_obj:
infile_obj.seek(0)
tarball = tarfile.open(infile_name, "r|*", infile_obj)
while True:
# next(tarball) does not work in python2.6
tar_member_info = tarball.next()
if tar_member_info is None:
break
extract_info = None
path = tar_member_info.name
while path:
if path in file_list:
extract_info = file_list[path]
break
path = os.path.dirname(path)
if not extract_info:
continue
path_full = None
if hasattr(extract_info.get("pre_store_call"), '__call__'):
extract_info["pre_store_call"]()
if "rename" in extract_info and extract_info["rename"]:
if tmp_dir is None:
tmp_dir = tempfile.mkdtemp()
tarball.extractall(tmp_dir, [tar_member_info])
path_full = extract_info["path"]
shutil.move(os.path.join(tmp_dir, tar_member_info.name),
path_full)
else:
dir_path = os.path.dirname(extract_info["path"])
tarball.extractall(dir_path, [tar_member_info])
path_full = os.path.join(dir_path, tar_member_info.name)
file_attrs = extract_info["attrs"]
os.chmod(path_full, file_attrs["mode"])
os.chown(path_full, file_attrs["uid"], file_attrs["gid"])
tarball.close()
except (tarfile.TarError, EnvironmentError, OSError) as e:
utils.err("unable to restore the cluster: %s" % e)
finally:
if tmp_dir:
shutil.rmtree(tmp_dir, ignore_errors=True)
try:
sig_path = os.path.join(settings.cib_dir, "cib.xml.sig")
if os.path.exists(sig_path):
os.remove(sig_path)
except EnvironmentError as e:
utils.err("unable to remove %s: %s" % (sig_path, e))
def check_cluster_status(test_name, resource_groups_cfg_map, check_daemons):
"""
Check the status of the pacemaker cluster, create and sent the message
to the xymon server.
"""
xymon = pymon.XymonClient(test_name)
cluster_infos = get_cluster_infos(resource_groups_cfg_map)
cluster_name = cluster_infos['cluster_name']
node_name = cluster_infos['node_name']
resources_match_cfg = cluster_infos['node_resource_groups_match_cfg']
node_status = (cluster_infos['node_status'] if resources_match_cfg else
'{0} (resources have switched)'.format(
cluster_infos['node_status']))
# message - title
xymon.title('Pacemaker cluster "{0}"'.format(cluster_name))
# message - cluster node status
node_color = (pymon.STATUS_OK
if node_status == 'online' else pymon.STATUS_CRITICAL)
xymon.section('Node Status',
'{0} - {1} {2}'.format(node_name, node_status, node_color))
xymon.color = node_color
# message - cluster nodes
nodes = sorted(cluster_nodes())
xymon.section('Cluster Nodes', ', '.join(nodes))
# message - resources
resources_summary = (
'{c[resources_running]} resources running:\n\n'.format(
c=cluster_infos))
resources_color = lambda v: \
pymon.STATUS_OK if v.get('role') == 'Started' else pymon.STATUS_CRITICAL
resources_list_with_status = '\n'.join(
' {0} {1:<22} {2}'.format(resources_color(v), k, v.get(
'resource_agent'))
for k, v in cluster_infos['node_resources'].items())
xymon.section(
'Cluster Resources', '{0}{1}'.format(resources_summary,
resources_list_with_status))
if not all([item.split()[0] == pymon.STATUS_OK \
for item in resources_list_with_status.splitlines()]):
xymon.color = pymon.STATUS_CRITICAL
# message - daemons status
if check_daemons:
cluster_services = ['corosync', 'pacemaker', 'pcsd']
service_status = lambda service: ' {0} service {1:<14} {2}\n'.format(*(
(pymon.STATUS_OK, service, 'active')
if status.is_service_running(service) else
(pymon.STATUS_CRITICAL, service, 'inactive')))
xymon.section(
'Daemon Status',\
''.join(service_status(service) for service in cluster_services))
if not all(
status.is_service_running(service)
for service in cluster_services):
xymon.color = pymon.STATUS_CRITICAL
# message - footer
check_script = os.path.basename(__file__)
xymon.footer(check_script, __version__)
xymon.send()