def deinitialize_mongodb(ip_list):
for ip in ip_list:
process.run('service mongod stop', ip)
process.run('sleep 5', ip)
process.run('rm -rf /var/lib/mongo/*', ip)
process.run('mv -f /etc/mongod.conf.bak /etc/mongod.conf', ip)
process.run('sed -i "/mongod/d" /etc/rc.local', ip)
def get_node_throughput_and_iops():
try:
if do_or_not_do():
current_time = handler.current_stamp()
node_list = database.get_setting('NODE-LIST')
node_list = list(set(node_list['mgmt'] + \
node_list['meta'] + node_list['storage']))
host_list = map(lambda node: process.run(
'hostname', node), node_list)
def get_throughput_and_iops(host):
data = backend.get_node_throughput_and_iops(host)
throughput_list = data['throughput'] or []
iops_list = data['iops'] or []
read_throughput = 0
wriet_throughput = 0
total_iops = 0
if len(throughput_list) and len(iops_list):
throughput_list.reverse()
throughput_list = throughput_list[0:15]
iops_list.reverse()
iops_list = iops_list[0:15]
for throughput in throughput_list:
read_throughput += throughput['read']
wriet_throughput += throughput['write']
iops_list = map(lambda iops: iops['total'], iops_list)
total_iops = sum(iops_list)
return {'throughput': {'read': read_throughput / 15, 'write': wriet_throughput / 15}, 'iops': total_iops / 15}
data_list = map(get_throughput_and_iops, host_list)
database.create_node_throughput_and_iops(
current_time, host_list, data_list)
except Exception as error:
handler.log(handler.error(error), 2)
handler.log('Run get node throughput and iops task failed!')
def run_snapshot_schedule():
try:
if do_or_not_do():
current_time = handler.current_time()
schedule_is_running = database.get_is_running_snapshot_schedule()
if schedule_is_running is not None:
name = schedule_is_running['name']
start_time = schedule_is_running['startTime']
auto_disable_time = schedule_is_running['autoDisableTime']
interval = schedule_is_running['interval']
delete_round = schedule_is_running['deleteRound']
time_gap_in_second = handler.iso2stamp(
current_time) - handler.iso2stamp(start_time)
if time_gap_in_second >= interval and not (time_gap_in_second % interval) and (not auto_disable_time or time_gap_in_second <= auto_disable_time):
snapshot_setting = database.get_setting('SNAPSHOT-SETTING')
limit = snapshot_setting['auto']
count = database.count_snapshot(True)
name_to_create = name + '-' + \
process.run('date "+%Y%m%d%H%M%S"')
if count < limit:
database.create_snapshot(
name_to_create, '', True, current_time)
event.send('snapshot', 11, name_to_create, True)
create_status = backend.create_snapshot(
name_to_create, True)
if not create_status['errorId']:
database.update_snapshot_status(name_to_create)
event.send('snapshot', 12, name_to_create, True)
else:
database.delete_snapshot(name_to_create)
event.send('snapshot', 12, name_to_create, False)
elif delete_round:
auto_snapshots = database.get_auto_snapshot()
name_to_delete = auto_snapshots[0]['name']
database.update_snapshot_status(
name_to_delete, False, True, False)
delete_status = backend.delete_snapshot(name_to_delete)
if not delete_status['errorId']:
database.delete_snapshot(name_to_delete)
database.create_snapshot(
name_to_create, '', True, current_time)
event.send('snapshot', 11, name_to_create, True)
create_status = backend.create_snapshot(
name_to_create, True)
if not create_status['errorId']:
database.update_snapshot_status(name_to_create)
event.send('snapshot', 12,
name_to_create, True)
else:
database.delete_snapshot(name_to_create)
event.send('snapshot', 12,
name_to_create, False)
else:
database.update_snapshot_status(name_to_delete)
elif auto_disable_time and time_gap_in_second > auto_disable_time:
database.disable_snapshot_schedule(name)
except Exception as error:
handler.log(handler.error(error), 2)
handler.log('Run snapshot schedule task failed!')
def disable_node_service(node_list):
mgmt = node_list['mgmt']
meta_and_storage = list(set(node_list['meta'] + node_list['storage']))
for ip in mgmt:
if ip in meta_and_storage:
meta_and_storage.remove(ip)
for ip in meta_and_storage:
process.run('sed -i "/orcafs-gui/d" /etc/rc.local', ip)
process.run('sed -i "/nginx/d" /etc/rc.local', ip)
process.run('service orcafs-gui stop', ip)
process.run('service nginx stop', ip)
def enable_node_service(node_list):
mgmt = node_list['mgmt']
meta_and_storage = list(set(node_list['meta'] + node_list['storage']))
for ip in mgmt:
if ip in meta_and_storage:
meta_and_storage.remove(ip)
for ip in meta_and_storage:
process.run(
'sed -i "/OrcaFS/ a service orcafs-gui start" /etc/rc.local', ip)
process.run('sed -i "/Nginx/ a service nginx start" /etc/rc.local', ip)
process.run('service orcafs-gui start', ip)
process.run('service nginx start', ip)
def add_node_to_cluster(node_ip, node_type):
if node_type == 'client':
pass
elif node_type == 'mgmt':
pass
else:
node_list = database.get_setting('NODE-LIST')
ip_list = node_list['mgmt'] + node_list['meta'] + node_list['storage']
if node_ip not in ip_list:
process.run('sed -i "/orcafs-gui/d" /etc/rc.local', node_ip)
process.run('sed -i "/nginx/d" /etc/rc.local', node_ip)
process.run('service orcafs-gui stop', node_ip)
process.run('service nginx stop', node_ip)
database.add_node_to_cluster(node_ip, node_type)
def get_node_cpu_and_memory():
try:
if do_or_not_do():
current_time = handler.current_stamp()
node_list = database.get_setting('NODE-LIST')
node_list = list(set(node_list['mgmt'] + \
node_list['meta'] + node_list['storage']))
host_list = map(lambda node: process.run(
'hostname', node), node_list)
data_list = map(backend.get_node_cpu_and_memory, host_list)
database.create_node_cpu_and_memory(
current_time, host_list, data_list)
except Exception as error:
handler.log(handler.error(error), 2)
handler.log('Run get node cpu and memory task failed!')
def empty_log(ip):
process.run('> /var/log/mongodb/mongod.log', ip)
process.run('> /var/log/orcafs-gui.log', ip)
def reload_mongodb():
mongodb_status = get_mongodb_status()
mongodb_need_run = bool(int(process.run('grep -c "mongod" /etc/rc.local')))
if not mongodb_status and mongodb_need_run:
process.run('service mongod start')
def get_mongodb_replset_config():
command = '/usr/bin/mongo --quiet --eval "db.isMaster().hosts"'
return json.loads(process.run(command))
def get_mongodb_type():
command = '/usr/bin/mongo --quiet --eval "rs.status().ok"'
return int(process.run(command)) # 0 => single, 1 => replset
def get_mongodb_is_master_or_not():
command = '/usr/bin/mongo --quiet --eval "db.isMaster().ismaster"'
if get_mongodb_process():
return process.run(command) == 'true'
else:
return False
def get_mongodb_status():
command = '/usr/bin/mongo --quiet --eval "db.serverStatus().ok"'
if get_mongodb_process():
return process.run(command) == '1'
else:
return False
def get_mongodb_process():
command = 'ps aux|grep /usr/bin/mongod|grep grep -v|awk \'{print $2}\''
return bool(process.run(command))
def initialize_mongodb(param):
ip_list = param['ip_list']
replica_set = param['replica_set']
if not replica_set:
process.run('mv /etc/mongod.conf /etc/mongod.conf.bak')
process.run(
'cp /var/orcafs-gui/server-unified/conf/mongod.single.conf /etc/mongod.conf'
)
process.run('service mongod start')
process.run('sed -i "/MongoDB/ a service mongod start" /etc/rc.local')
else:
def create_members_config(members):
param = []
for i in range(len(members)):
param.append({'_id': i, 'host': members[i], 'priority': 2 - i})
return param
config = {'_id': 'orcafs', 'members': create_members_config(ip_list)}
for ip in ip_list:
process.run('mv /etc/mongod.conf /etc/mongod.conf.bak', ip)
process.run(
'cp /var/orcafs-gui/server-unified/conf/mongod.replset.conf /etc/mongod.conf',
ip)
process.run('service mongod start', ip)
process.run(
'sed -i "/MongoDB/ a service mongod start" /etc/rc.local', ip)
process.run('/usr/bin/mongod --quiet --eval "rs.initiate(%s)"' %
json.dumps(config))
process.run('sleep 20')
