def refresh_machine_resource():
Redis.psetex("volumeOperate", 1000, "ll")
success, cluster_list = get_cluster_list()
# print cluster_list
resource_list = list()
disks_dict = dict()
if not success:
logging.warning("Can't get cluster list.")
return
total = 0
used = 0
for machine in cluster_list:
resource, memory_usage, cpu_usages, pure_disks, total_size, used_size = monitor_resource(machine)
total += total_size
used += used_size
# print resource
# Log error when any machine's snmp service shut down.
if none(resource, memory_usage, cpu_usages, pure_disks):
logging.error('Please start snmp service in machine: ' + machine + '.')
return
resource_list.append(resource)
disks_dict[machine] = pure_disks
Redis.lpush(MEMORY_USAGE_PREFIX + machine, memory_usage)
i = 0
while i < len(resource['cpus']):
Redis.lpush(CPU_USAGE_PREFIX + machine + ':' + str(i), cpu_usages[i])
i += 1
Redis.hmset(OVERALL_CAPACITY, {'total': total, 'used': used, 'available': (total - used)})
Redis.set(CLUSTER_RESOURCE, json.dumps(resource_list))
Redis.set(CLUSTER_DISKS, json.dumps(disks_dict))
Redis.psetex("volumeOperate", 1, "ll")
def delete_volume():
try:
Redis.psetex("Refresh", 10000, "ll")
time = Redis.get("volumeOperate")
if time:
time.sleep(0.5)
volume_name = request.args.get('name')
logging.warning(volume_name)
if none(volume_name):
return jsonify(success=False, message=INVALID_PARAM)
volume_name = str(volume_name)
# check if volume exists and if volume has already stopped.
volume_names = list(Redis.sget(VOLUME_NAMES))
volume_status = Redis.hget(VOLUME_PREFIX + volume_name, VOLUME_STATUS)
if volume_name not in volume_names or volume_status != VOLUME_STATUS_STOPPED:
return jsonify(success=False, message=INVALID_PARAM)
success, out = volume_delete(volume_name)
# clear volume information in redis
if success:
# remove data from redis
Redis.srem(VOLUME_NAMES, volume_name)
Redis.delete(BRICK_PREFIX + volume_name)
Redis.delete(VOLUME_PREFIX + volume_name)
# remove data from samba config file
volume_samba(volume_name, enable=False)
Redis.psetex("Refresh", 1, "ll")
return jsonify(success=success, message=out)
except TypeError:
return jsonify(success=False, message=NO_INFORMATION)
def stop_samba():
volume_name = request.args.get('volume_name')
if none(volume_name):
return jsonify(success=False, message=INVALID_PARAM)
volume_name = str(volume_name)
volume_samba(volume_name, enable=False)
Redis.hset(VOLUME_PREFIX + volume_name, VOLUME_SAMBA, 'off')
return jsonify(succuss=True, message=None)
def stop_nfs():
volume_name = request.args.get('volume_name')
if none(volume_name):
return jsonify(success=False, message=INVALID_PARAM)
volume_name = str(volume_name)
success, out = volume_nfs(volume_name, enable=False)
if success:
Redis.hset(VOLUME_PREFIX + volume_name, VOLUME_NFS, 'off')
return jsonify(success=success, message=out)
def start_volume():
Redis.psetex("Refresh", 20000, "ll")
time = Redis.get("volumeOperate")
if time:
time.sleep(0.5)
volume_name = request.args.get('volume_name')
if none(volume_name):
return jsonify(success=False, message=INVALID_PARAM)
volume_name = str(volume_name)
success, out = volume_start(volume_name)
Redis.psetex("Refresh", 1, "ll")
return jsonify(success=success, message=out)
def restart_volume():
Redis.psetex("Refresh", 20000, "ll")
time = Redis.get("volumeOperate")
if time:
time.sleep(0.5)
volume_name = request.args.get('volume_name')
if none(volume_name):
return jsonify(success=False, message=INVALID_PARAM)
volume_name = str(volume_name)
volume_status = Redis.hget(VOLUME_PREFIX + volume_name, VOLUME_STATUS)
if none(volume_status) or volume_status == VOLUME_STATUS_STOPPED:
return jsonify(success=False, message=INVALID_PARAM)
stop_success, stop_out = volume_stop(volume_name)
if stop_success:
start_success, start_out = volume_start(volume_name)
if start_success:
Redis.psetex("Refresh", 1, "ll")
return jsonify(success=True, message=start_out)
else:
return jsonify(success=False, message=start_out)
else:
return jsonify(success=False, message=stop_out)
def refresh_network_io():
success, cluster_list = get_cluster_list()
if not success:
return
list_network_in_speed = list()
list_network_out_speed = list()
old_time = Redis.get(TIMESTAMP)
timestamp = time.time()
timeStamp = timestamp * 1000
Redis.set(TIMESTAMP, timestamp)
timeperiod = float(timestamp) - float(old_time)
for machine in cluster_list:
network_in_pre = Redis.get(NETWORKIO_IN+machine)
network_out_pre = Redis.get(NETWORKIO_OUT+machine)
# print network_in_pre
network_io_in, network_io_out = network_io(machine)
if none(network_io_in, network_io_out):
return
Redis.set(NETWORKIO_IN+machine, network_io_in)
Redis.set(NETWORKIO_OUT+machine, network_io_out)
network_io_in_speed = int(network_io_in) - int(network_in_pre)
network_io_out_speed = int(network_io_out) - int(network_out_pre)
if network_io_out_speed <= 0:
network_io_out_speed = 0
if network_io_in_speed <= 0:
network_io_in_speed = 0
network_io_in_speed_throughput = network_io_in_speed/timeperiod
network_io_out_speed_throughput = network_io_out_speed/timeperiod
list_network_in_speed.append(network_io_in_speed_throughput)
list_network_out_speed.append(network_io_out_speed_throughput)
Redis.lpush(NETWORKIO_NAME_IN_INIT + machine, {DATA: network_io_in_speed_throughput, TIME: timeStamp})
Redis.lpush(NETWORKIO_NAME_OUT_INIT + machine, {DATA: network_io_out_speed_throughput, TIME: timeStamp})
sum_network_in_speed = 0
sum_network_out_speed = 0
print "hello"
for x in list_network_in_speed:
sum_network_in_speed += x
for y in list_network_out_speed:
sum_network_out_speed += y
Redis.lpush(NETWORKIO_IN_SUM_INIT, {DATA: sum_network_in_speed, TIME: timeStamp})
Redis.lpush(NETWORKIO_OUT_SUM_INIT, {DATA: sum_network_out_speed, TIME: timeStamp})
def refresh_disk_io():
success, cluster_list = get_cluster_list()
# print cluster_list
if not success:
logging.warning("Can't get cluster list.")
return
sum_diskio_writes = list()
sum_diskio_reads = list()
old_time = Redis.get(TIMESTAMP)
timestamp = time.time()
timeStamp = timestamp*1000
Redis.set(TIMESTAMP, timestamp)
timeperiod = float(timestamp) - float(old_time)
ISOTIMEFORMAT = "%Y-%m-%d %X"
CurrentTime = time.strftime(ISOTIMEFORMAT, time.localtime())
for machine in cluster_list:
# print machine
diskio_pre = Redis.get(DISKWRITE+machine)
# print diskio_pre
diskio_read_pre = Redis.get(DISKREAD+machine)
disk_infmat, diskio_read_infmat = disk_io(machine)
if none(disk_infmat, diskio_read_infmat):
return
Redis.set(DISKWRITE+machine, disk_infmat)
Redis.set(DISKREAD+machine, diskio_read_infmat)
# diskwrite str--list
diskio_pre_list = diskio_pre.replace("[", "").replace("]", "").replace("'", "").strip().split(",")
# diskread str--list
diskio_read_pre_list = diskio_read_pre.replace("[", "").replace("]", "").replace("'", "").strip().split(",")
# disk_write lambda
diskio_pre_list_num = [int(item) for item in diskio_pre_list]
disk_infmat_num = [int(item) for item in disk_infmat]
write_D_value = list(map(lambda x: x[0] - x[1], zip(disk_infmat_num, diskio_pre_list_num)))
sum_diskio_writes.append(write_D_value)
sum_name_write = 0
for x in write_D_value:
sum_name_write += x
sum_name_write_throughtput = sum_name_write / timeperiod
Redis.lpush(DISK_NAME_WRITE + machine, {DATA:sum_name_write_throughtput, TIME:timeStamp})
# disk_read lamba
diskio_read_pre_list_num = [int(item) for item in diskio_read_pre_list]
diskio_read_infmat_num = [int(item) for item in diskio_read_infmat]
read_D_value = list(map(lambda x: x[0] - x[1], zip(diskio_read_infmat_num, diskio_read_pre_list_num)))
sum_diskio_reads.append(read_D_value)
sum_name_read = 0
for x in read_D_value:
sum_name_read += x
sum_name_read_throughput = sum_name_read / timeperiod
Redis.lpush(DISK_NAME_READ + machine, {DATA: sum_name_read_throughput, TIME: timeStamp})
i = 0
sum_writes = 0
sum_reads = 0
sum_diskio_write = list()
sum_diskio_read = list()
while i < len(sum_diskio_writes):
sum_write = 0
sum_read = 0
for x in sum_diskio_writes[i]:
sum_write += x
sum_diskio_write.append(sum_write/timeperiod)
for y in sum_diskio_reads[i]:
sum_read += y
sum_diskio_read.append(sum_read/timeperiod)
i += 1
for x in sum_diskio_write:
sum_writes += x
for y in sum_diskio_read:
sum_reads += y
Redis.lpush(DISKWRITEALL, {DATA: sum_writes, TIME: timeStamp})
Redis.lpush(DISKREADALL, {DATA: sum_reads, TIME: timeStamp})
def volume_read_perf():
volume_name = request.args.get('volume_name')
if none(volume_name):
return jsonify(success=False, message=INVALID_PARAM)
perf = [random.randint(1, 10), random.randint(1, 10)]
return jsonify(success=True, message=perf)
def add_volume():
try:
Redis.psetex("Refresh", 25000, "ll")
time = Redis.get("volumeOperate")
if time:
time.sleep(0.5)
# parse request form
volume_name = request.args.get('name')
capacity = request.args.get('capacity')
redundancy_ratio = request.args.get('redundancy_ratio')
if none(volume_name, capacity, redundancy_ratio):
return jsonify(success=False,
message='Request form lacks parameters.')
volume_name = str(volume_name)
capacity = str(capacity)
redundancy_ratio = str(redundancy_ratio)
logging.warning(redundancy_ratio)
# query nodes and disks,then generate max disk index per node
cluster_disks = json.loads(Redis.get(CLUSTER_DISKS), 'utf-8')
success, cluster_list = get_cluster_list()
max_dict_idx = dict()
if not success:
return jsonify(success=False, message=NO_INFORMATION)
keys = cluster_disks.keys()
for node in cluster_list:
if node not in keys:
return jsonify(success=False, message=DIS_MATCH_INFORMATION)
else:
max_dict_idx[node] = len(cluster_disks[node])
success, out, actual_capacity = volume_create(cluster_list,
max_dict_idx,
volume_name, capacity,
redundancy_ratio)
message1 = {
"tag": "volume_create",
"cluster_list": cluster_list,
"max_dict_idx": max_dict_idx,
"volume_name": volume_name,
"capacity": capacity,
"redundancy_ratio": redundancy_ratio
}
print message1
Redis.lpush("test1", message1)
success, out, actual_capacity = volume_create(cluster_list,
max_dict_idx,
volume_name, capacity,
redundancy_ratio)
if success:
volume_start(volume_name)
# related configuration: enable quota and set redis
enable_volume_quota(volume_name)
set_volume_quota(volume_name, actual_capacity)
Redis.hmset(
VOLUME_PREFIX + volume_name, {
VOLUME_CAPACITY: actual_capacity,
VOLUME_USAGE: 0,
VOLUME_NFS: 'on',
VOLUME_SAMBA: 'off',
VOLUME_ISCSI: 'off',
VOLUME_SWIFT: 'off'
})
refresh_createvolume_status(volume_name)
volume_info = get_volume_info(volume_name)
Redis.psetex("Refresh", 1, "ll")
return jsonify(success=True, message=volume_info)
else:
return jsonify(success=False, message=out)
except (KeyError, TypeError), e:
return jsonify(success=False, message=str(e))
