def check_zpool_iostat(cmd):
"""查看存储池读写负载"""
# cmd = "zpool iostat 1 3 | grep '_pool'"
content = ["CHECK ZPOOL IOSTAT"]
sub = SubProcess(cmd)
for line in sub.readlines():
line = line.strip('\n')
line_list = line.split(' ')
line_list = [x for x in line_list if x]
if len(line_list) != 7:
content.append("check error!!!")
content.append("After separate line, the element count is not 7.")
break
bandwidth_read, bandwidth_write = line_list[5:]
match_read = re.match(r"([0-9,.]+)M", bandwidth_read)
match_write = re.match(r"([0-9,.]+)M", bandwidth_write)
if match_read:
read_value = match_read.groups()[0]
if float(read_value) > 300:
content.append(line)
continue
if match_write:
write_value = match_write.groups()[0]
if float(write_value) > 500:
content.append(line)
__print_output(content)
def check_system_memory():
"""查看系统内存使用百分比"""
content = ["SYSTEM FREE MEMORY"]
if system_info.memory_available() < 1:
cmd = "free -h"
sub = SubProcess(cmd)
content.append(sub.read())
__print_output(content)
def main():
cmd = "zpool get all | grep metadata | awk '{print $1,$2,$3,$4}'"
sub = SubProcess(cmd)
data = OrderedDict()
for line in sub.readlines():
d = line.rstrip().split(' ')
pool_name, metadata_type, value = d[0:3]
if not data.has_key(pool_name):
data[pool_name] = {}
data[pool_name].update({metadata_type: value})
new_data = __format_data(data)
return new_data
def search_file():
"""执行搜索文件任务"""
for date in date_list:
new_cmd = "tail -n {num} {file} | grep '{date}' | {cmd} | tail -n 5".format(
num=line_num,
file=file,
date=date,
cmd=cmd
)
sub = SubProcess(new_cmd)
for line in sub.readlines():
content.append(line.strip('\n'))
__print_output(content)
def check_core_dump(path, before_day=3):
"""查看是否存在core dump错误"""
content = ["CHECK COREDUMP"]
if not os.path.exists(path):
print "Directory %s not exists!!!" % path
else:
cmd = "find {path} -mtime -{before_day} -ls | grep -v '{path}'".format(
path=path,
before_day=before_day
)
sub = SubProcess(cmd)
for line in sub.readlines():
content.append(line.strip('\n'))
__print_output(content)
def __init__(self, core, num_files=6):
SubProcess.__init__(self, core)
self.num_files = num_files
# check if needed
fname = self.core.fname_sublink_short()
exists = os.path.exists(fname)
print("File '{}' exists: {}".format(fname, exists))
self.needed = True
if exists:
with h5py.File(fname, 'r') as f:
keys = list(f)
if 'Descendant_index' in keys:
print(
'\tSublinkIndexFind descendant indices already added to sublink_short.'
)
self.needed = False
def get_disk_info(cmd):
"""获取磁盘信息"""
pool_name, raid_name = None, None
sub = SubProcess(cmd)
for line in sub.readlines():
# 匹配pool行:'\tpool3 ONLINE 0 0 0\n'
match_pool = __match_line(
line, '^\t[\w]*pool[\w]*\s+[A-Z]+\s+\d+\s+\d+\s+\d+$')
if match_pool:
TOTAL['pool_count'] += 1
pool_name = match_pool['name']
continue
# 匹配raid行:'\t raidz2-0 ONLINE 0 0 0\n'
match_raid = __match_line(line,
'^\t\s+raid.+\s+[A-Z]+\s+\d+\s+\d+\s+\d+$')
if match_raid:
TOTAL['raid_count'] += 1
raid_name = match_raid['name']
continue
data_type = "Data Disk"
# 匹配metadata行：\t metadata:mirror-2 ONLINE 0 0 0\n'
match_metadata = __match_line(
line, '^\t\s+raid.+\s+[A-Z]+\s+\d+\s+\d+\s+\d+$')
if match_metadata:
data_type = "Metadata Disk"
continue
# 匹配磁盘行:'\t 63301357-8a79-4ce1-953e-dbd857cc1e23 ONLINE 0 0 0\n'
match_disk = __match_line(
line, '^\t\s+[\w-]+\s+[A-Z]+\s+\d+\s+\d+\s+\d+.*$')
if match_disk:
TOTAL['disk_count'] += 1
check_disk(match_disk, pool_name, raid_name, data_type)
return ERROR_DISKS, TOTAL
def check_pool_usage():
"""查看存储池使用百分比"""
content = ["STORAGE POOL USAGE"]
cmd = "df -h | grep 'pool' | awk '{print $6}'"
sub = SubProcess(cmd)
for pool_name in sub.readlines():
pool_name = pool_name.strip('\n')
if system_info.disk_percent(pool_name) > 95:
sub = SubProcess("df -h | grep {}".format(pool_name))
content.append(sub.read().strip('\n'))
__print_output(content)