def node_maintenance(argv, on=True):
action = ["-v", "on"] if on else ["-D"]
cluster_nodes = utils.getNodesFromPacemaker()
nodes = []
failed_count = 0
if "--all" in utils.pcs_options:
nodes = cluster_nodes
elif argv:
for node in argv:
if node not in cluster_nodes:
utils.err(
"Node '{0}' does not appear to exist in "
"configuration".format(node),
False
)
failed_count += 1
else:
nodes.append(node)
else:
nodes.append("")
if failed_count > 0:
sys.exit(1)
for node in nodes:
node_attr = ["-N", node] if node else []
output, retval = utils.run(
["crm_attribute", "-t", "nodes", "-n", "maintenance"] + action +
node_attr
)
if retval != 0:
node_name = ("node '{0}'".format(node)) if argv else "current node"
failed_count += 1
if on:
utils.err(
"Unable to put {0} to maintenance mode: {1}".format(
node_name, output
),
False
)
else:
utils.err(
"Unable to remove {0} from maintenance mode: {1}".format(
node_name, output
),
False
)
if failed_count > 0:
sys.exit(1)
def stonith_level_verify():
dom = utils.get_cib_dom()
corosync_nodes = []
if utils.hasCorosyncConf():
corosync_nodes = utils.getNodesFromCorosyncConf()
pacemaker_nodes = utils.getNodesFromPacemaker()
fls = dom.getElementsByTagName("fencing-level")
for fl in fls:
node = fl.getAttribute("target")
devices = fl.getAttribute("devices")
for dev in devices.split(","):
if not utils.is_stonith_resource(dev):
utils.err("%s is not a stonith id" % dev)
if node not in corosync_nodes and node not in pacemaker_nodes:
utils.err("%s is not currently a node" % node)
def stonith_level_verify():
dom = utils.get_cib_dom()
corosync_nodes = []
if utils.hasCorosyncConf():
corosync_nodes = utils.getNodesFromCorosyncConf()
pacemaker_nodes = utils.getNodesFromPacemaker()
fls = dom.getElementsByTagName("fencing-level")
for fl in fls:
node = fl.getAttribute("target")
devices = fl.getAttribute("devices")
for dev in devices.split(","):
if not utils.is_stonith_resource(dev):
utils.err("%s is not a stonith id" % dev)
if node not in corosync_nodes and node not in pacemaker_nodes:
utils.err("%s is not currently a node" % node)
def stonith_level_add(level, node, devices):
dom = utils.get_cib_dom()
if not re.search(r'^\d+$', level) or re.search(r'^0+$', level):
utils.err("invalid level '{0}', use a positive integer".format(level))
level = level.lstrip('0')
if "--force" not in utils.pcs_options:
for dev in devices.split(","):
if not utils.is_stonith_resource(dev):
utils.err("%s is not a stonith id (use --force to override)" %
dev)
corosync_nodes = []
if utils.hasCorosyncConf():
corosync_nodes = utils.getNodesFromCorosyncConf()
pacemaker_nodes = utils.getNodesFromPacemaker()
if node not in corosync_nodes and node not in pacemaker_nodes:
utils.err("%s is not currently a node (use --force to override)" %
node)
ft = dom.getElementsByTagName("fencing-topology")
if len(ft) == 0:
conf = dom.getElementsByTagName("configuration")[0]
ft = dom.createElement("fencing-topology")
conf.appendChild(ft)
else:
ft = ft[0]
fls = ft.getElementsByTagName("fencing-level")
for fl in fls:
if fl.getAttribute("target") == node and fl.getAttribute(
"index") == level and fl.getAttribute("devices") == devices:
utils.err(
"unable to add fencing level, fencing level for node: %s, at level: %s, with device: %s already exists"
% (node, level, devices))
new_fl = dom.createElement("fencing-level")
ft.appendChild(new_fl)
new_fl.setAttribute("target", node)
new_fl.setAttribute("index", level)
new_fl.setAttribute("devices", devices)
new_fl.setAttribute("id",
utils.find_unique_id(dom, "fl-" + node + "-" + level))
utils.replace_cib_configuration(dom)
def node_maintenance(argv, on=True):
action = ["-v", "on"] if on else ["-D"]
cluster_nodes = utils.getNodesFromPacemaker()
nodes = []
failed_count = 0
if "--all" in utils.pcs_options:
nodes = cluster_nodes
elif argv:
for node in argv:
if node not in cluster_nodes:
utils.err(
"Node '{0}' does not appear to exist in "
"configuration".format(node), False)
failed_count += 1
else:
nodes.append(node)
else:
nodes.append("")
if failed_count > 0:
sys.exit(1)
for node in nodes:
node_attr = ["-N", node] if node else []
output, retval = utils.run(
["crm_attribute", "-t", "nodes", "-n", "maintenance"] + action +
node_attr)
if retval != 0:
node_name = ("node '{0}'".format(node)) if argv else "current node"
failed_count += 1
if on:
utils.err(
"Unable to put {0} to maintenance mode: {1}".format(
node_name, output), False)
else:
utils.err(
"Unable to remove {0} from maintenance mode: {1}".format(
node_name, output), False)
if failed_count > 0:
sys.exit(1)
def stonith_level_add(level, node, devices):
dom = utils.get_cib_dom()
if not re.search(r'^\d+$', level) or re.search(r'^0+$', level):
utils.err("invalid level '{0}', use a positive integer".format(level))
level = level.lstrip('0')
if "--force" not in utils.pcs_options:
for dev in devices.split(","):
if not utils.is_stonith_resource(dev):
utils.err("%s is not a stonith id (use --force to override)" % dev)
corosync_nodes = []
if utils.hasCorosyncConf():
corosync_nodes = utils.getNodesFromCorosyncConf()
pacemaker_nodes = utils.getNodesFromPacemaker()
if node not in corosync_nodes and node not in pacemaker_nodes:
utils.err("%s is not currently a node (use --force to override)" % node)
ft = dom.getElementsByTagName("fencing-topology")
if len(ft) == 0:
conf = dom.getElementsByTagName("configuration")[0]
ft = dom.createElement("fencing-topology")
conf.appendChild(ft)
else:
ft = ft[0]
fls = ft.getElementsByTagName("fencing-level")
for fl in fls:
if fl.getAttribute("target") == node and fl.getAttribute("index") == level and fl.getAttribute("devices") == devices:
utils.err("unable to add fencing level, fencing level for node: %s, at level: %s, with device: %s already exists" % (node,level,devices))
new_fl = dom.createElement("fencing-level")
ft.appendChild(new_fl)
new_fl.setAttribute("target", node)
new_fl.setAttribute("index", level)
new_fl.setAttribute("devices", devices)
new_fl.setAttribute("id", utils.find_unique_id(dom, "fl-" + node +"-" + level))
utils.replace_cib_configuration(dom)
