def get_corosync_autoconfig():
"""
Automatically detect the configuration for corosync.
:return: dictionary containing 'result' or 'error'.
"""
ring0 = get_ring0()
if not ring0:
return agent_error('Failed to detect ring0 interface')
ring1_ipaddr, ring1_prefix = generate_ring1_network(ring0)
try:
ring1 = detect_ring1(ring0, ring1_ipaddr, ring1_prefix)
except RingDetectionError as e:
return agent_error(e.message)
return agent_result({
'interfaces': {
ring0.name: {
'dedicated': False,
'ipaddr': ring0.ipv4_address,
'prefix': ring0.ipv4_prefixlen
},
ring1.name: {
'dedicated': True,
'ipaddr': ring1.ipv4_address,
'prefix': ring1.ipv4_prefixlen
}
},
'mcast_port': ring1.mcastport
})
def get_corosync_autoconfig():
"""
Automatically detect the configuration for corosync.
:return: dictionary containing 'result' or 'error'.
"""
ring0 = get_ring0()
if not ring0:
return agent_error("Failed to detect ring0 interface")
ring1_ipaddr, ring1_prefix = generate_ring1_network(ring0)
try:
ring1 = detect_ring1(ring0, ring1_ipaddr, ring1_prefix)
except RingDetectionError as e:
return agent_error(e.message)
return agent_result({
"interfaces": {
ring0.name: {
"dedicated": False,
"ipaddr": ring0.ipv4_address,
"prefix": ring0.ipv4_prefixlen,
},
ring1.name: {
"dedicated": True,
"ipaddr": ring1.ipv4_address,
"prefix": ring1.ipv4_prefixlen,
},
},
"mcast_port": ring1.mcastport,
})
def test_failed_has_link(self):
self.link_patcher.stop()
mock.patch(
'chroma_agent.lib.corosync.CorosyncRingInterface.__getattr__',
return_value=False).start()
import errno
def boom(*args):
# EMULTIHOP is what gets raised with IB interfaces
raise IOError(errno.EMULTIHOP)
mock.patch('fcntl.ioctl', side_effect=boom).start()
from chroma_agent.lib.corosync import get_ring0
iface = get_ring0()
# add shell commands to be expected
self.add_commands(
CommandCaptureCommand(
('/sbin/ip', 'link', 'set', 'dev', iface.name, 'up')),
CommandCaptureCommand(
('/sbin/ip', 'link', 'set', 'dev', iface.name, 'down')))
self.assertFalse(iface.has_link)
self.assertRanAllCommandsInOrder()
def test_link_state_unknown(self):
with mock.patch("__builtin__.open",
mock.mock_open(read_data="unknown")):
with mock.patch(
"chroma_agent.lib.corosync.CorosyncRingInterface.__getattr__",
return_value=False,
):
with mock.patch("os.path.exists", return_value=True):
self.link_patcher.stop()
from chroma_agent.lib.corosync import get_ring0
iface = get_ring0()
# add shell commands to be expected
self.add_commands(
CommandCaptureCommand(("/sbin/ip", "link", "set",
"dev", iface.name, "up")),
CommandCaptureCommand(("/sbin/ip", "link", "set",
"dev", iface.name, "down")),
)
self.assertFalse(iface.has_link)
self.assertRanAllCommandsInOrder()