def add_node(name):
'''
Add node to corosync.conf
'''
coronodes = None
nodes = None
coronodes = utils.list_corosync_nodes()
try:
nodes = utils.list_cluster_nodes()
except Exception:
nodes = []
ipaddr = get_ip(name)
if name in coronodes or (ipaddr and ipaddr in coronodes):
err_buf.warning("%s already in corosync.conf" % (name))
return
if name in nodes:
err_buf.warning("%s already in configuration" % (name))
return
f = open(conf()).read()
p = Parser(f)
node_addr = name
node_id = next_nodeid(p)
p.add(
'nodelist',
make_section(
'nodelist.node',
make_value('nodelist.node.ring0_addr', node_addr) +
make_value('nodelist.node.nodeid', str(node_id))))
num_nodes = p.count('nodelist.node')
if num_nodes > 2:
p.remove('quorum.two_node')
f = open(conf(), 'w')
f.write(p.to_string())
f.close()
# update running config (if any)
if nodes:
utils.ext_cmd([
"corosync-cmapctl", "-s",
"nodelist.node.%s.nodeid" % (num_nodes - 1), "u32",
str(node_id)
],
shell=False)
utils.ext_cmd([
"corosync-cmapctl", "-s",
"nodelist.node.%s.ring0_addr" % (num_nodes - 1), "str", node_addr
],
shell=False)
def add_node(name):
'''
Add node to corosync.conf
'''
coronodes = None
nodes = None
coronodes = utils.list_corosync_nodes()
try:
nodes = utils.list_cluster_nodes()
except Exception:
nodes = []
ipaddr = get_ip(name)
if name in coronodes or (ipaddr and ipaddr in coronodes):
err_buf.warning("%s already in corosync.conf" % (name))
return
if name in nodes:
err_buf.warning("%s already in configuration" % (name))
return
f = open(conf()).read()
p = Parser(f)
node_addr = name
node_id = next_nodeid(p)
p.add('nodelist',
make_section('nodelist.node',
make_value('nodelist.node.ring0_addr', node_addr) +
make_value('nodelist.node.nodeid', str(node_id))))
num_nodes = p.count('nodelist.node')
if num_nodes > 2:
p.remove('quorum.two_node')
f = open(conf(), 'w')
f.write(p.to_string())
f.close()
# update running config (if any)
if nodes:
utils.ext_cmd(["corosync-cmapctl",
"-s", "nodelist.node.%s.nodeid" % (num_nodes - 1),
"u32", str(node_id)], shell=False)
utils.ext_cmd(["corosync-cmapctl",
"-s", "nodelist.node.%s.ring0_addr" % (num_nodes - 1),
"str", node_addr], shell=False)
def requires(self):
stack = utils.cluster_stack()
if len(stack) > 0 and stack != 'corosync':
err_buf.warning("Unsupported cluster stack %s detected." % (stack))
return False
return True
def requires(self):
stack = utils.cluster_stack()
if len(stack) > 0 and stack != 'corosync':
err_buf.warning("Unsupported cluster stack %s detected." % (stack))
return False
return corosync.check_tools()
