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Fix attribute synchronization

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Specify a finite read to actually return from the buffer.

Convert some functions to async/await as appropriate.
This commit is contained in:
Jarrod Johnson 2024-04-29 10:54:30 -04:00
parent d2edcb62c6
commit a5dc10debf
1 changed files with 19 additions and 17 deletions
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36
confluent_server/confluent/config/configmanager.py
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@ -82,8 +82,6 @@ try:
except ModuleNotFoundError:
import pickle as cPickle
import errno
import eventlet.event as event
import eventlet.green.select as select
import socket
import fnmatch
import hashlib
@ -241,8 +239,8 @@ def _rpc_set_user(tenant, name, attributemap):
ConfigManager(tenant)._true_set_user(name, attributemap)
def _rpc_master_set_node_attributes(tenant, attribmap, autocreate):
ConfigManager(tenant).set_node_attributes(attribmap, autocreate)
async def _rpc_master_set_node_attributes(tenant, attribmap, autocreate):
await ConfigManager(tenant).set_node_attributes(attribmap, autocreate)
def _rpc_master_rename_nodes(tenant, renamemap):
@ -306,12 +304,12 @@ def _rpc_del_groups(tenant, groups):
ConfigManager(tenant)._true_del_groups(groups)
def _rpc_master_del_nodes(tenant, nodes):
ConfigManager(tenant).del_nodes(nodes)
async def _rpc_master_del_nodes(tenant, nodes):
await ConfigManager(tenant).del_nodes(nodes)
def _rpc_del_nodes(tenant, nodes):
ConfigManager(tenant)._true_del_nodes(nodes)
async def _rpc_del_nodes(tenant, nodes):
await ConfigManager(tenant)._true_del_nodes(nodes)
def _rpc_set_node_attributes(tenant, attribmap, autocreate):
@ -425,7 +423,6 @@ async def _push_rpc(stream, payload):
stream[1].write(struct.pack('!Q', len(payload)))
if len(payload):
stream[1].write(payload)
print("sent payload: " + repr(payload))
await stream[1].drain()
return True
except Exception:
@ -704,11 +701,11 @@ async def relay_slaved_requests(name, listener):
raise Exception("Unexpected loss of node in followers: " + name)
sz = struct.unpack('!Q', msg)[0]
if sz == 0:
_push_rpc(listener, b'')
await _push_rpc(listener, b'')
else:
rpc = b''
while len(rpc) < sz:
nrpc = listener.recv(sz - len(rpc))
nrpc = await listener[0].read(sz - len(rpc))
if not nrpc:
raise Exception('Truncated client error')
rpc += nrpc
@ -719,14 +716,17 @@ async def relay_slaved_requests(name, listener):
retv = None
try:
retv = globals()[rpc['function']](*rpc['args'])
if asyncio.iscoroutine(retv):
retv = await retv
except ValueError as ve:
exc = ['ValueError', str(ve)]
except Exception as e:
logException()
exc = ['Exception', str(e)]
if 'xid' in rpc:
res = _push_rpc(listener, msgpack.packb({'xid': rpc['xid'],
'exc': exc, 'ret': retv}, use_bin_type=False))
res = await _push_rpc(listener,
msgpack.packb({'xid': rpc['xid'],
'exc': exc, 'ret': retv}, use_bin_type=False))
if not res:
break
try:
@ -778,7 +778,7 @@ class StreamHandler(object):
try:
while not msg:
try:
msg = await asyncio.wait_for(self.sock[0].read(), timeout=self.keepalive - confluent.util.monotonic_time())
msg = await asyncio.wait_for(self.sock[0].read(8), timeout=self.keepalive - confluent.util.monotonic_time())
except TimeoutError:
msg = None
if confluent.util.monotonic_time() > self.expiry:
@ -931,7 +931,9 @@ async def follow_channel(channel):
if not (rpc['function'].startswith('_true') or rpc['function'].startswith('_rpc')):
raise Exception("Received unsupported function call: {0}".format(rpc['function']))
try:
globals()[rpc['function']](*rpc['args'])
retv = globals()[rpc['function']](*rpc['args'])
if asyncio.iscoroutine(retv):
retv = await retv
except Exception as e:
print(repr(e))
if 'xid' in rpc and rpc['xid']:
@ -2279,7 +2281,7 @@ class ConfigManager(object):
async def rename_nodes(self, renamemap):
if cfgleader:
return exec_on_leader('_rpc_master_rename_nodes', self.tenant,
return await exec_on_leader('_rpc_master_rename_nodes', self.tenant,
renamemap)
if cfgstreams:
await exec_on_followers('_rpc_rename_nodes', self.tenant, renamemap)
@ -2378,7 +2380,7 @@ class ConfigManager(object):
if 'value' in curr[attrib]:
del curr[attrib]['value']
if cfgleader: # currently config slave to another
return exec_on_leader('_rpc_master_set_node_attributes',
return await exec_on_leader('_rpc_master_set_node_attributes',
self.tenant, attribmap, autocreate)
if cfgstreams:
await exec_on_followers('_rpc_set_node_attributes',