def debug_statistics(self):
return {
"node":
lib.raft_get_nodeid(self.raft),
"state":
state2str(lib.raft_get_state(self.raft)),
"current_idx":
lib.raft_get_current_idx(self.raft),
"last_log_term":
lib.raft_get_last_log_term(self.raft),
"current_term":
lib.raft_get_current_term(self.raft),
"commit_idx":
lib.raft_get_commit_idx(self.raft),
"last_applied_idx":
lib.raft_get_last_applied_idx(self.raft),
"log_count":
lib.raft_get_log_count(self.raft),
"peers":
lib.raft_get_num_nodes(self.raft),
"voting_peers":
lib.raft_get_num_voting_nodes(self.raft),
"connection_status":
connectstatus2str(self.connection_status),
"voting_change_in_progress":
lib.raft_voting_change_is_in_progress(self.raft),
"removed":
getattr(self, 'removed', False),
}
def _check_id_monoticity(self, ety):
"""
Check last entry has smaller ID than new entry.
This is a virtraft specific check to make sure entry passing is
working correctly.
"""
if ety.type == lib.RAFT_LOGTYPE_NO_OP:
return
ci = lib.raft_get_current_idx(self.raft)
if 0 < ci and not lib.raft_get_snapshot_last_idx(self.raft) == ci:
try:
prev_ety = lib.raft_get_entry_from_idx(self.raft, ci)
assert prev_ety
if prev_ety.type == lib.RAFT_LOGTYPE_NO_OP:
if lib.raft_get_snapshot_last_idx(self.raft) != ci - 1:
lib.raft_entry_release(prev_ety)
prev_ety = lib.raft_get_entry_from_idx(
self.raft, ci - 1)
assert prev_ety
else:
lib.raft_entry_release(prev_ety)
return
other_id = prev_ety.id
assert other_id < ety.id
lib.raft_entry_release(prev_ety)
except Exception as e:
logger.error(other_id, ety.id)
self.abort_exception = e
raise
def _check_current_idx_validity(self, server):
"""
Check that current idx is valid, ie. it exists
"""
ci = lib.raft_get_current_idx(server.raft)
if 0 < ci and not lib.raft_get_snapshot_last_idx(server.raft) == ci:
ety = lib.raft_get_entry_from_idx(server.raft, ci)
try:
assert ety
except Exception:
print('current idx ', ci)
print('count', lib.raft_get_log_count(server.raft))
print('last snapshot', lib.raft_get_snapshot_last_idx(server.raft))
print(server.debug_log())
raise
def _check_id_monoticity(self, ety):
"""
Check last entry has smaller ID than new entry.
This is a virtraft specific check to make sure entry passing is
working correctly.
"""
ci = lib.raft_get_current_idx(self.raft)
if 0 < ci and not lib.raft_get_snapshot_last_idx(self.raft) == ci:
try:
prev_ety = lib.raft_get_entry_from_idx(self.raft, ci)
assert prev_ety
other_id = prev_ety.id
assert other_id < ety.id
except Exception as e:
logging.error(other_id, ety.id)
self.abort_exception = e
raise