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1.0.4: Only consider electable members for replset quorum count #166

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Merged
merged 2 commits into from
Jun 9, 2017
Merged

1.0.4: Only consider electable members for replset quorum count #166

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ccf48e7
Only apply quorum checking to voting members
timvaillancourt Jun 9, 2017
b3822be
Only apply quorum checking to electable members (not arbiter or prior…
timvaillancourt Jun 9, 2017
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17 changes: 16 additions & 1 deletion mongodb_consistent_backup/Replication/Replset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,21 @@ def get_repl_lag(self, rs_member):
rep_lag = 0
return rep_lag, member_optime_ts

def get_electable_members(self, force=False):
electable = []
rs_config = self.get_rs_config(force, True)
for member in rs_config['members']:
if 'arbiterOnly' in member and member['arbiterOnly'] == True:
continue
elif 'priority' in member and member['priority'] == 0:
continue
electable.append(member)
return electable

def get_rs_quorum(self):
electable_members = len(self.get_electable_members())
return ceil(electable_members / 2.0)

def find_primary(self, force=False, quiet=False):
if force or not self.primary:
rs_status = self.get_rs_status(force, quiet)
Expand Down Expand Up @@ -145,8 +160,8 @@ def find_secondary(self, force=False, quiet=False):
rs_status = self.get_rs_status(force, quiet)
rs_config = self.get_rs_config(force, quiet)
db_config = self.get_mongo_config(force, quiet)
quorum = self.get_rs_quorum()
rs_name = rs_status['set']
quorum = ceil(len(rs_status['members']) / 2.0)

if self.secondary and not force:
return self.secondary
Expand Down