def _get_deployment_type(self):
# getCmdLineOpts is the runtime configuration of the mongo instance. Helpful to know whether the node is
# a mongos or mongod, if the mongod is in a shard, if it's in a replica set, etc.
try:
options = self['admin'].command("getCmdLineOpts")['parsed']
except Exception as e:
self._log.debug(
"Unable to run `getCmdLineOpts`, got: %s. Assuming this is an Alibaba ApsaraDB instance.",
str(e))
# `getCmdLineOpts` is forbidden on Alibaba ApsaraDB
return self._get_alibaba_deployment_type()
cluster_role = None
if 'sharding' in options:
if 'configDB' in options['sharding']:
return MongosDeployment()
elif 'clusterRole' in options['sharding']:
cluster_role = options['sharding']['clusterRole']
replication_options = options.get('replication', {})
if 'replSetName' in replication_options or 'replSet' in replication_options:
repl_set_payload = self['admin'].command("replSetGetStatus")
return self._get_rs_deployment_from_status_payload(
repl_set_payload, cluster_role)
return StandaloneDeployment()
def update_deployment(self, admindb):
props = admindb.command("isMaster")
if props.get("ismaster") == "isdbgrid":
self.deployment = MongosDeployment()
elif props.get("hosts"):
repl_set_payload = admindb.command("replSetGetStatus")
replset_name = repl_set_payload["set"]
replset_state = repl_set_payload["myState"]
self.deployment = ReplicaSetDeployment(replset_name, replset_state)
else:
self.deployment = StandaloneDeployment()
def _get_alibaba_deployment_type(self):
is_master_payload = self['admin'].command('isMaster')
if is_master_payload.get('msg') == 'isdbgrid':
return MongosDeployment()
# On alibaba cloud, a mongo node is either a mongos or part of a replica set.
repl_set_payload = self['admin'].command("replSetGetStatus")
if repl_set_payload.get('configsvr') is True:
cluster_role = 'configsvr'
elif self['admin'].command('shardingState').get('enabled') is True:
# Use `shardingState` command to know whether or not the replicaset
# is a shard or not.
cluster_role = 'shardsvr'
else:
cluster_role = None
return self._get_rs_deployment_from_status_payload(
repl_set_payload, cluster_role)
def get_deployment(admindb):
# getCmdLineOpts is the runtime configuration of the mongo instance. Helpful to know whether the node is
# a mongos or mongod, if the mongod is in a shard, if it's in a replica set, etc.
options = admindb.command("getCmdLineOpts")['parsed']
cluster_role = None
if 'sharding' in options:
if 'configDB' in options['sharding']:
return MongosDeployment()
elif 'clusterRole' in options['sharding']:
cluster_role = options['sharding']['clusterRole']
if 'replSetName' in options.get('replication', {}):
repl_set_payload = admindb.command("replSetGetStatus")
replset_name = repl_set_payload["set"]
replset_state = repl_set_payload["myState"]
return ReplicaSetDeployment(replset_name, replset_state, cluster_role=cluster_role)
return StandaloneDeployment()