def quorum_unblock_cmd(lib, argv, modifiers):
"""
Options:
* --force - no error when removing non existing property and no warning
about this action
"""
modifiers.ensure_only_supported("--force")
if argv:
raise CmdLineInputError()
output, retval = utils.run(
["corosync-cmapctl", "-g", "runtime.votequorum.wait_for_all_status"]
)
if retval != 0:
utils.err("unable to check quorum status")
if output.split("=")[-1].strip() != "1":
utils.err("cluster is not waiting for nodes to establish quorum")
all_nodes, report_list = get_existing_nodes_names(
utils.get_corosync_conf_facade()
)
if report_list:
utils.process_library_reports(report_list)
unjoined_nodes = set(all_nodes) - set(utils.getCorosyncActiveNodes())
if not unjoined_nodes:
utils.err("no unjoined nodes found")
if not modifiers.get("--force"):
answer = utils.get_terminal_input(
(
"WARNING: If node(s) {nodes} are not powered off or they do"
+ " have access to shared resources, data corruption and/or"
+ " cluster failure may occur. Are you sure you want to"
+ " continue? [y/N] "
).format(nodes=", ".join(unjoined_nodes))
)
if answer.lower() not in ["y", "yes"]:
print("Canceled")
return
for node in unjoined_nodes:
# pass --force so no warning will be displayed
stonith.stonith_confirm(
lib, [node], parse_args.InputModifiers({"--force": ""})
)
output, retval = utils.run(
["corosync-cmapctl", "-s", "quorum.cancel_wait_for_all", "u8", "1"]
)
if retval != 0:
utils.err("unable to cancel waiting for nodes")
print("Quorum unblocked")
startup_fencing = utils.get_set_properties().get("startup-fencing", "")
utils.set_cib_property(
"startup-fencing",
"false" if startup_fencing.lower() != "false" else "true"
)
utils.set_cib_property("startup-fencing", startup_fencing)
print("Waiting for nodes canceled")
def quorum_unblock_cmd(lib, argv, modifiers):
"""
Options:
* --force - no error when removing non existing property and no warning
about this action
"""
modifiers.ensure_only_supported("--force")
if argv:
raise CmdLineInputError()
output, retval = utils.run(
["corosync-cmapctl", "-g", "runtime.votequorum.wait_for_all_status"])
if retval != 0:
utils.err("unable to check quorum status")
if output.rsplit("=", maxsplit=1)[-1].strip() != "1":
utils.err("cluster is not waiting for nodes to establish quorum")
all_nodes, report_list = get_existing_nodes_names(
utils.get_corosync_conf_facade())
if report_list:
process_library_reports(report_list)
unjoined_nodes = set(all_nodes) - set(utils.getCorosyncActiveNodes())
if not unjoined_nodes:
utils.err("no unjoined nodes found")
if not utils.get_continue_confirmation_or_force(
f"If node(s) {format_list(unjoined_nodes)} are not powered off or they "
"do have access to shared resources, data corruption and/or cluster "
"failure may occur",
modifiers.get("--force"),
):
return
for node in unjoined_nodes:
# pass --force so no warning will be displayed
stonith.stonith_confirm(lib, [node],
parse_args.InputModifiers({"--force": ""}))
output, retval = utils.run(
["corosync-cmapctl", "-s", "quorum.cancel_wait_for_all", "u8", "1"])
if retval != 0:
utils.err("unable to cancel waiting for nodes")
print_to_stderr("Quorum unblocked")
startup_fencing = utils.get_set_properties().get("startup-fencing", "")
utils.set_cib_property(
"startup-fencing",
"false" if startup_fencing.lower() != "false" else "true",
)
utils.set_cib_property("startup-fencing", startup_fencing)
print_to_stderr("Waiting for nodes canceled")
def cluster_pcsd_status(lib, argv, modifiers, dont_exit=False):
"""
Options:
* --request-timeout - HTTP timeout for node authorization check
"""
modifiers.ensure_only_supported("--request-timeout")
bad_nodes = False
if len(argv) == 0:
nodes = utils.get_corosync_conf_facade().get_nodes_names()
if len(nodes) == 0:
utils.err("no nodes found in corosync.conf")
bad_nodes = check_nodes(nodes, " ")
else:
bad_nodes = check_nodes(argv, " ")
if bad_nodes and not dont_exit:
sys.exit(2)
def quorum_unblock_cmd(lib, argv, modifiers):
"""
Options:
* --force - no error when removing non existing property and no warning
about this action
"""
modifiers.ensure_only_supported("--force")
if len(argv) > 0:
raise CmdLineInputError()
output, retval = utils.run(
["corosync-cmapctl", "-g", "runtime.votequorum.wait_for_all_status"])
if retval != 0:
utils.err("unable to check quorum status")
if output.split("=")[-1].strip() != "1":
utils.err("cluster is not waiting for nodes to establish quorum")
unjoined_nodes = (set(utils.get_corosync_conf_facade().get_nodes_names()) -
set(utils.getCorosyncActiveNodes()))
if not unjoined_nodes:
utils.err("no unjoined nodes found")
if modifiers.get("--force"):
answer = utils.get_terminal_input(
("WARNING: If node(s) {nodes} are not powered off or they do" +
" have access to shared resources, data corruption and/or" +
" cluster failure may occur. Are you sure you want to" +
" continue? [y/N] ").format(nodes=", ".join(unjoined_nodes)))
if answer.lower() not in ["y", "yes"]:
print("Canceled")
return
for node in unjoined_nodes:
# pass --force so no warning will be displayed
stonith.stonith_confirm(lib, [node],
parse_args.InputModifiers({"--force": ""}))
output, retval = utils.run(
["corosync-cmapctl", "-s", "quorum.cancel_wait_for_all", "u8", "1"])
if retval != 0:
utils.err("unable to cancel waiting for nodes")
print("Quorum unblocked")
startup_fencing = utils.get_set_properties().get("startup-fencing", "")
utils.set_cib_property(
"startup-fencing",
"false" if startup_fencing.lower() != "false" else "true")
utils.set_cib_property("startup-fencing", startup_fencing)
print("Waiting for nodes canceled")
def cluster_pcsd_status(lib, argv, modifiers, dont_exit=False):
"""
Options:
* --request-timeout - HTTP timeout for node authorization check
"""
del lib
modifiers.ensure_only_supported("--request-timeout")
bad_nodes = False
if not argv:
nodes, report_list = get_existing_nodes_names(
utils.get_corosync_conf_facade())
if not nodes and not dont_exit:
report_list.append(reports.corosync_config_no_nodes_defined())
if report_list:
process_library_reports(report_list)
bad_nodes = check_nodes(nodes, " ")
else:
bad_nodes = check_nodes(argv, " ")
if bad_nodes and not dont_exit:
sys.exit(2)
def quorum_unblock_cmd(argv):
if len(argv) > 0:
usage.quorum(["unblock"])
sys.exit(1)
output, retval = utils.run(
["corosync-cmapctl", "-g", "runtime.votequorum.wait_for_all_status"])
if retval != 0:
utils.err("unable to check quorum status")
if output.split("=")[-1].strip() != "1":
utils.err("cluster is not waiting for nodes to establish quorum")
unjoined_nodes = (set(utils.get_corosync_conf_facade().get_nodes_names()) -
set(utils.getCorosyncActiveNodes()))
if not unjoined_nodes:
utils.err("no unjoined nodes found")
if "--force" not in utils.pcs_options:
answer = utils.get_terminal_input(
("WARNING: If node(s) {nodes} are not powered off or they do" +
" have access to shared resources, data corruption and/or" +
" cluster failure may occur. Are you sure you want to" +
" continue? [y/N] ").format(nodes=", ".join(unjoined_nodes)))
if answer.lower() not in ["y", "yes"]:
print("Canceled")
return
for node in unjoined_nodes:
stonith.stonith_confirm([node], skip_question=True)
output, retval = utils.run(
["corosync-cmapctl", "-s", "quorum.cancel_wait_for_all", "u8", "1"])
if retval != 0:
utils.err("unable to cancel waiting for nodes")
print("Quorum unblocked")
startup_fencing = utils.get_set_properties().get("startup-fencing", "")
utils.set_cib_property(
"startup-fencing",
"false" if startup_fencing.lower() != "false" else "true")
utils.set_cib_property("startup-fencing", startup_fencing)
print("Waiting for nodes canceled")
def nodes_status(lib, argv, modifiers):
"""
Options:
* -f - CIB file - for config subcommand and not for both or corosync
* --corosync_conf - only for config subcommand
NOTE: modifiers check is in subcommand
"""
del lib
if len(argv) == 1 and (argv[0] == "config"):
modifiers.ensure_only_supported("-f", "--corosync_conf")
if utils.hasCorosyncConf():
corosync_nodes, report_list = get_existing_nodes_names(
utils.get_corosync_conf_facade())
if report_list:
process_library_reports(report_list)
else:
corosync_nodes = []
try:
pacemaker_nodes = sorted([
node.attrs.name for node in ClusterState(
get_cluster_status_dom(
utils.cmd_runner())).node_section.nodes
if node.attrs.type != "remote"
])
except LibraryError as e:
process_library_reports(e.args)
print("Corosync Nodes:")
if corosync_nodes:
print(" " + " ".join(corosync_nodes))
print("Pacemaker Nodes:")
if pacemaker_nodes:
print(" " + " ".join(pacemaker_nodes))
return
if len(argv) == 1 and (argv[0] == "corosync" or argv[0] == "both"):
modifiers.ensure_only_supported()
all_nodes, report_list = get_existing_nodes_names(
utils.get_corosync_conf_facade())
if report_list:
process_library_reports(report_list)
online_nodes = utils.getCorosyncActiveNodes()
offline_nodes = []
for node in all_nodes:
if node not in online_nodes:
offline_nodes.append(node)
online_nodes.sort()
offline_nodes.sort()
print("Corosync Nodes:")
print(" ".join([" Online:"] + online_nodes))
print(" ".join([" Offline:"] + offline_nodes))
if argv[0] != "both":
sys.exit(0)
modifiers.ensure_only_supported("-f")
info_dom = utils.getClusterState()
nodes = info_dom.getElementsByTagName("nodes")
if nodes.length == 0:
utils.err("No nodes section found")
onlinenodes = []
offlinenodes = []
standbynodes = []
standbynodes_with_resources = []
maintenancenodes = []
remote_onlinenodes = []
remote_offlinenodes = []
remote_standbynodes = []
remote_standbynodes_with_resources = []
remote_maintenancenodes = []
for node in nodes[0].getElementsByTagName("node"):
node_name = node.getAttribute("name")
node_remote = node.getAttribute("type") == "remote"
if node.getAttribute("online") == "true":
if node.getAttribute("standby") == "true":
is_running_resources = (node.getAttribute("resources_running")
!= "0")
if node_remote:
if is_running_resources:
remote_standbynodes_with_resources.append(node_name)
else:
remote_standbynodes.append(node_name)
else:
if is_running_resources:
standbynodes_with_resources.append(node_name)
else:
standbynodes.append(node_name)
if node.getAttribute("maintenance") == "true":
if node_remote:
remote_maintenancenodes.append(node_name)
else:
maintenancenodes.append(node_name)
if (node.getAttribute("standby") == "false"
and node.getAttribute("maintenance") == "false"):
if node_remote:
remote_onlinenodes.append(node_name)
else:
onlinenodes.append(node_name)
else:
if node_remote:
remote_offlinenodes.append(node_name)
else:
offlinenodes.append(node_name)
print("Pacemaker Nodes:")
print(" ".join([" Online:"] + onlinenodes))
print(" ".join([" Standby:"] + standbynodes))
print(" ".join([" Standby with resource(s) running:"] +
standbynodes_with_resources))
print(" ".join([" Maintenance:"] + maintenancenodes))
print(" ".join([" Offline:"] + offlinenodes))
print("Pacemaker Remote Nodes:")
print(" ".join([" Online:"] + remote_onlinenodes))
print(" ".join([" Standby:"] + remote_standbynodes))
print(" ".join([" Standby with resource(s) running:"] +
remote_standbynodes_with_resources))
print(" ".join([" Maintenance:"] + remote_maintenancenodes))
print(" ".join([" Offline:"] + remote_offlinenodes))
def config_restore_remote(infile_name, infile_obj):
"""
Commandline options:
* --request-timeout - timeout for HTTP requests
"""
extracted = {
"version.txt": "",
"corosync.conf": "",
}
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 in extracted:
tar_member = tarball.extractfile(tar_member_info)
extracted[tar_member_info.name] = tar_member.read()
tar_member.close()
tarball.close()
except (tarfile.TarError, EnvironmentError) as e:
utils.err("unable to read the tarball: %s" % e)
config_backup_check_version(extracted["version.txt"])
node_list, report_list = get_existing_nodes_names(
utils.get_corosync_conf_facade(
conf_text=extracted["corosync.conf"].decode("utf-8")))
if report_list:
process_library_reports(report_list)
if not node_list:
utils.err("no nodes found in the tarball")
err_msgs = []
for node in node_list:
try:
retval, output = utils.checkStatus(node)
if retval != 0:
err_msgs.append(output)
continue
_status = json.loads(output)
if (_status["corosync"] or _status["pacemaker"] or
# not supported by older pcsd, do not fail if not present
_status.get("pacemaker_remote", False)):
err_msgs.append(
"Cluster is currently running on node %s. You need to stop "
"the cluster in order to restore the configuration." %
node)
continue
except (ValueError, NameError, LookupError):
err_msgs.append("unable to determine status of the node %s" % node)
if err_msgs:
for msg in err_msgs:
utils.err(msg, False)
sys.exit(1)
# Temporarily disable config files syncing thread in pcsd so it will not
# rewrite restored files. 10 minutes should be enough time to restore.
# If node returns HTTP 404 it does not support config syncing at all.
for node in node_list:
retval, output = utils.pauseConfigSyncing(node, 10 * 60)
if not (retval == 0 or "(HTTP error: 404)" in output):
utils.err(output)
if infile_obj:
infile_obj.seek(0)
tarball_data = infile_obj.read()
else:
with open(infile_name, "rb") as tarball:
tarball_data = tarball.read()
error_list = []
for node in node_list:
retval, error = utils.restoreConfig(node, tarball_data)
if retval != 0:
error_list.append(error)
if error_list:
utils.err("unable to restore all nodes\n" + "\n".join(error_list))
def nodes_status(argv):
if len(argv) == 1 and (argv[0] == "config"):
if utils.hasCorosyncConf():
corosync_nodes = utils.get_corosync_conf_facade().get_nodes_names()
else:
corosync_nodes = []
try:
pacemaker_nodes = sorted([
node.attrs.name for node in ClusterState(
utils.getClusterStateXml()).node_section.nodes
if node.attrs.type != 'remote'
])
except LibraryError as e:
utils.process_library_reports(e.args)
print("Corosync Nodes:")
if corosync_nodes:
print(" " + " ".join(corosync_nodes))
print("Pacemaker Nodes:")
if pacemaker_nodes:
print(" " + " ".join(pacemaker_nodes))
return
if len(argv) == 1 and (argv[0] == "corosync" or argv[0] == "both"):
all_nodes = utils.get_corosync_conf_facade().get_nodes_names()
online_nodes = utils.getCorosyncActiveNodes()
offline_nodes = []
for node in all_nodes:
if node not in online_nodes:
offline_nodes.append(node)
online_nodes.sort()
offline_nodes.sort()
print("Corosync Nodes:")
print(" ".join([" Online:"] + online_nodes))
print(" ".join([" Offline:"] + offline_nodes))
if argv[0] != "both":
sys.exit(0)
info_dom = utils.getClusterState()
nodes = info_dom.getElementsByTagName("nodes")
if nodes.length == 0:
utils.err("No nodes section found")
onlinenodes = []
offlinenodes = []
standbynodes = []
maintenancenodes = []
remote_onlinenodes = []
remote_offlinenodes = []
remote_standbynodes = []
remote_maintenancenodes = []
for node in nodes[0].getElementsByTagName("node"):
node_name = node.getAttribute("name")
node_remote = node.getAttribute("type") == "remote"
if node.getAttribute("online") == "true":
if node.getAttribute("standby") == "true":
if node_remote:
remote_standbynodes.append(node_name)
else:
standbynodes.append(node_name)
elif node.getAttribute("maintenance") == "true":
if node_remote:
remote_maintenancenodes.append(node_name)
else:
maintenancenodes.append(node_name)
else:
if node_remote:
remote_onlinenodes.append(node_name)
else:
onlinenodes.append(node_name)
else:
if node_remote:
remote_offlinenodes.append(node_name)
else:
offlinenodes.append(node_name)
print("Pacemaker Nodes:")
print(" ".join([" Online:"] + onlinenodes))
print(" ".join([" Standby:"] + standbynodes))
print(" ".join([" Maintenance:"] + maintenancenodes))
print(" ".join([" Offline:"] + offlinenodes))
print("Pacemaker Remote Nodes:")
print(" ".join([" Online:"] + remote_onlinenodes))
print(" ".join([" Standby:"] + remote_standbynodes))
print(" ".join([" Maintenance:"] + remote_maintenancenodes))
print(" ".join([" Offline:"] + remote_offlinenodes))
def config_restore_remote(infile_name, infile_obj):
"""
Commandline options:
* --request-timeout - timeout for HTTP requests
"""
extracted = {
"version.txt": "",
"corosync.conf": "",
}
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 in extracted:
tar_member = tarball.extractfile(tar_member_info)
extracted[tar_member_info.name] = tar_member.read()
tar_member.close()
tarball.close()
except (tarfile.TarError, EnvironmentError) as e:
utils.err("unable to read the tarball: %s" % e)
config_backup_check_version(extracted["version.txt"])
node_list, report_list = get_existing_nodes_names(
utils.get_corosync_conf_facade(
conf_text=extracted["corosync.conf"].decode("utf-8")
)
)
if report_list:
utils.process_library_reports(report_list)
if not node_list:
utils.err("no nodes found in the tarball")
err_msgs = []
for node in node_list:
try:
retval, output = utils.checkStatus(node)
if retval != 0:
err_msgs.append(output)
continue
_status = json.loads(output)
if (
_status["corosync"]
or
_status["pacemaker"]
or
# not supported by older pcsd, do not fail if not present
_status.get("pacemaker_remote", False)
):
err_msgs.append(
"Cluster is currently running on node %s. You need to stop "
"the cluster in order to restore the configuration."
% node
)
continue
except (ValueError, NameError, LookupError):
err_msgs.append("unable to determine status of the node %s" % node)
if err_msgs:
for msg in err_msgs:
utils.err(msg, False)
sys.exit(1)
# Temporarily disable config files syncing thread in pcsd so it will not
# rewrite restored files. 10 minutes should be enough time to restore.
# If node returns HTTP 404 it does not support config syncing at all.
for node in node_list:
retval, output = utils.pauseConfigSyncing(node, 10 * 60)
if not (retval == 0 or "(HTTP error: 404)" in output):
utils.err(output)
if infile_obj:
infile_obj.seek(0)
tarball_data = infile_obj.read()
else:
with open(infile_name, "rb") as tarball:
tarball_data = tarball.read()
error_list = []
for node in node_list:
retval, error = utils.restoreConfig(node, tarball_data)
if retval != 0:
error_list.append(error)
if error_list:
utils.err("unable to restore all nodes\n" + "\n".join(error_list))
def cluster_destroy(argv):
if argv:
raise CmdLineInputError()
if "--all" in utils.pcs_options:
# destroy remote and guest nodes
cib = None
lib_env = utils.get_lib_env()
try:
cib = lib_env.get_cib()
except LibraryError as e:
warn("Unable to load CIB to get guest and remote nodes from it, "
"those nodes will not be deconfigured.")
if cib is not None:
try:
all_remote_nodes = get_existing_nodes_names(cib=cib)
if len(all_remote_nodes) > 0:
_destroy_pcmk_remote_env(lib_env,
all_remote_nodes,
skip_offline_nodes=True,
allow_fails=True)
except LibraryError as e:
utils.process_library_reports(e.args)
# destroy full-stack nodes
destroy_cluster(utils.get_corosync_conf_facade().get_nodes_names())
else:
print("Shutting down pacemaker/corosync services...")
for service in ["pacemaker", "corosync-qdevice", "corosync"]:
# Returns an error if a service is not running. It is safe to
# ignore it since we want it not to be running anyways.
utils.stop_service(service)
print("Killing any remaining services...")
kill_local_cluster_services()
try:
utils.disableServices()
except:
# previously errors were suppressed in here, let's keep it that way
# for now
pass
try:
disable_service(utils.cmd_runner(), lib_sbd.get_sbd_service_name())
except:
# it's not a big deal if sbd disable fails
pass
print("Removing all cluster configuration files...")
dummy_output, dummy_retval = utils.run([
"rm",
"-f",
settings.corosync_conf_file,
settings.corosync_authkey_file,
settings.pacemaker_authkey_file,
])
state_files = [
"cib.xml*", "cib-*", "core.*", "hostcache", "cts.*", "pe*.bz2",
"cib.*"
]
for name in state_files:
dummy_output, dummy_retval = utils.run([
"find", "/var/lib/pacemaker", "-name", name, "-exec", "rm",
"-f", "{}", ";"
])
try:
qdevice_net.client_destroy()
except:
# errors from deleting other files are suppressed as well
# we do not want to fail if qdevice was not set up
pass
def cluster_cmd(argv):
if len(argv) == 0:
usage.cluster()
exit(1)
sub_cmd = argv.pop(0)
if (sub_cmd == "help"):
usage.cluster([" ".join(argv)] if argv else [])
elif (sub_cmd == "setup"):
try:
cluster_setup(utils.get_library_wrapper(), argv,
utils.get_modifiers())
except LibraryError as e:
process_library_reports(e.args)
except CmdLineInputError as e:
utils.exit_on_cmdline_input_errror(e, "cluster", sub_cmd)
elif (sub_cmd == "sync"):
sync_nodes(utils.get_corosync_conf_facade().get_nodes_names(),
utils.getCorosyncConf())
elif (sub_cmd == "status"):
status.cluster_status(argv)
elif (sub_cmd == "pcsd-status"):
status.cluster_pcsd_status(argv)
elif (sub_cmd == "certkey"):
cluster_certkey(argv)
elif (sub_cmd == "auth"):
try:
cluster_auth_cmd(utils.get_library_wrapper(), argv,
utils.get_modifiers())
except LibraryError as e:
process_library_reports(e.args)
except CmdLineInputError as e:
utils.exit_on_cmdline_input_errror(e, "cluster", sub_cmd)
elif (sub_cmd == "start"):
if "--all" in utils.pcs_options:
if argv:
utils.err(ERR_NODE_LIST_AND_ALL_MUTUALLY_EXCLUSIVE)
start_cluster_all()
else:
start_cluster(argv)
elif (sub_cmd == "stop"):
if "--all" in utils.pcs_options:
if argv:
utils.err(ERR_NODE_LIST_AND_ALL_MUTUALLY_EXCLUSIVE)
stop_cluster_all()
else:
stop_cluster(argv)
elif (sub_cmd == "kill"):
kill_cluster(argv)
elif (sub_cmd == "standby"):
try:
node.node_standby_cmd(utils.get_library_wrapper(), argv,
utils.get_modifiers(), True)
except LibraryError as e:
utils.process_library_reports(e.args)
except CmdLineInputError as e:
utils.exit_on_cmdline_input_errror(e, "node", "standby")
elif (sub_cmd == "unstandby"):
try:
node.node_standby_cmd(utils.get_library_wrapper(), argv,
utils.get_modifiers(), False)
except LibraryError as e:
utils.process_library_reports(e.args)
except CmdLineInputError as e:
utils.exit_on_cmdline_input_errror(e, "node", "unstandby")
elif (sub_cmd == "enable"):
if "--all" in utils.pcs_options:
if argv:
utils.err(ERR_NODE_LIST_AND_ALL_MUTUALLY_EXCLUSIVE)
enable_cluster_all()
else:
enable_cluster(argv)
elif (sub_cmd == "disable"):
if "--all" in utils.pcs_options:
if argv:
utils.err(ERR_NODE_LIST_AND_ALL_MUTUALLY_EXCLUSIVE)
disable_cluster_all()
else:
disable_cluster(argv)
elif (sub_cmd == "remote-node"):
try:
cluster_remote_node(argv)
except LibraryError as e:
utils.process_library_reports(e.args)
elif (sub_cmd == "cib"):
get_cib(argv)
elif (sub_cmd == "cib-push"):
cluster_push(argv)
elif (sub_cmd == "cib-upgrade"):
utils.cluster_upgrade()
elif (sub_cmd == "edit"):
cluster_edit(argv)
elif (sub_cmd == "node"):
node_command_map = {
"add":
node_add,
"add-guest":
cluster_command.node_add_guest,
"add-outside":
node_add_outside_cluster,
"add-remote":
cluster_command.node_add_remote,
"clear":
cluster_command.node_clear,
"remove":
node_remove,
"remove-guest":
cluster_command.node_remove_guest,
"remove-remote":
cluster_command.create_node_remove_remote(
resource.resource_remove),
}
if argv and argv[0] in node_command_map:
try:
node_command_map[argv[0]](utils.get_library_wrapper(),
argv[1:], utils.get_modifiers())
except LibraryError as e:
process_library_reports(e.args)
except CmdLineInputError as e:
utils.exit_on_cmdline_input_errror(e, "cluster",
"node " + argv[0])
else:
usage.cluster(["node"])
sys.exit(1)
elif (sub_cmd == "uidgid"):
cluster_uidgid(argv)
elif (sub_cmd == "corosync"):
cluster_get_corosync_conf(argv)
elif (sub_cmd == "reload"):
cluster_reload(argv)
elif (sub_cmd == "destroy"):
try:
cluster_destroy(argv)
except CmdLineInputError as e:
utils.exit_on_cmdline_input_errror(e, "cluster", sub_cmd)
elif (sub_cmd == "verify"):
cluster_verify(argv)
elif (sub_cmd == "report"):
cluster_report(argv)
elif (sub_cmd == "quorum"):
if argv and argv[0] == "unblock":
quorum.quorum_unblock_cmd(argv[1:])
else:
usage.cluster()
sys.exit(1)
elif (sub_cmd == "remove_nodes_from_cib"):
try:
remove_nodes_from_cib(
utils.get_library_wrapper(),
argv,
utils.get_modifiers(),
)
except LibraryError as e:
process_library_reports(e.args)
except CmdLineInputError as e:
utils.exit_on_cmdline_input_errror(e, "cluster", sub_cmd)
else:
usage.cluster()
sys.exit(1)
def disable_cluster_all():
disable_cluster_nodes(utils.get_corosync_conf_facade().get_nodes_names())
def stop_cluster_nodes(nodes):
all_nodes = utils.get_corosync_conf_facade().get_nodes_names()
unknown_nodes = set(nodes) - set(all_nodes)
if unknown_nodes:
utils.err("nodes '%s' do not appear to exist in configuration" %
"', '".join(unknown_nodes))
stopping_all = set(nodes) >= set(all_nodes)
if "--force" not in utils.pcs_options and not stopping_all:
error_list = []
for node in nodes:
retval, data = utils.get_remote_quorumtool_output(node)
if retval != 0:
error_list.append(node + ": " + data)
continue
try:
quorum_status = corosync_live.QuorumStatus.from_string(data)
if not quorum_status.is_quorate:
# Get quorum status from a quorate node, non-quorate nodes
# may provide inaccurate info. If no node is quorate, there
# is no quorum to be lost and therefore no error to be
# reported.
continue
if quorum_status.stopping_nodes_cause_quorum_loss(nodes):
utils.err(
"Stopping the node(s) will cause a loss of the quorum"
+ ", use --force to override")
else:
# We have the info, no need to print errors
error_list = []
break
except corosync_live.QuorumStatusException:
if not utils.is_node_offline_by_quorumtool_output(data):
error_list.append(node + ": Unable to get quorum status")
# else the node seems to be stopped already
if error_list:
utils.err(
"Unable to determine whether stopping the nodes will cause " +
"a loss of the quorum, use --force to override\n" +
"\n".join(error_list))
was_error = False
node_errors = parallel_for_nodes(utils.repeat_if_timeout(
utils.stopPacemaker),
nodes,
quiet=True)
accessible_nodes = [
node for node in nodes if node not in node_errors.keys()
]
if node_errors:
utils.err("unable to stop all nodes\n" +
"\n".join(node_errors.values()),
exit_after_error=not accessible_nodes)
was_error = True
for node in node_errors:
print("{0}: Not stopping cluster - node is unreachable".format(node))
node_errors = parallel_for_nodes(utils.stopCorosync,
accessible_nodes,
quiet=True)
if node_errors:
utils.err("unable to stop all nodes\n" +
"\n".join(node_errors.values()))
if was_error:
utils.err("unable to stop all nodes")
def stop_cluster_all():
stop_cluster_nodes(utils.get_corosync_conf_facade().get_nodes_names())
