def find_free_mem(self):
"""
查询空闲内存内存百分比
:return:
"""
cmd = " top -b -n1 | head -5 "
lines = self.exe_cmd(cmd)
freeMem = None
totalMem = None
cachedMem = None
for line in lines:
line = line.strip("\r\n")
if line.startswith("Mem"):
valList = line.split(",")
totalMem = strcm.remove_space(valList[0]).split(" ")[1].rstrip("k")
freeMem = valList[2].strip().split(" ")[0].rstrip("k")
if line.startswith("Swap"):
valList = line.split(",")
cachedMem = strcm.remove_space(valList[3].strip()).split(" ")[0].rstrip("k")
if freeMem is not None and cachedMem is not None and totalMem is not None:
freeRate = (float(freeMem) + float(cachedMem)) * 100 / float(totalMem)
return float("%.1f" % freeRate)
return None
def read_tomcat_dict(self, config_file):
"""
读取Nginx配置文件
:param config_file:配置文件路径
:return: 配置字典
"""
remote_file = self.sftp.open(config_file, 'r')
config_data = {}
# read any new lines from the file
line = remote_file.readline()
while line:
line = line.strip('\r\n').strip()
#
if line.startswith("<Context "):
# 去掉冗余空格
line = strcm.remove_space(line)
dataList = line.split(" ")
for dataItem in dataList:
if dataItem.find("=") > 0:
propList = dataItem.split("=")
key = propList[0]
if key in TOMCAT_KEYS and key not in config_data:
config_data[key] = propList[1].strip("\"'")
line = remote_file.readline()
remote_file.close()
return config_data
def read_nginx_dict(self, config_file):
"""
读取Nginx配置文件
:param config_file:配置文件路径
:return: 配置字典
"""
remote_file = self.sftp.open(config_file, 'r')
config_data = {}
# read any new lines from the file
line = remote_file.readline()
while line:
line = line.strip('\r\n').strip()
# 排除注释行
if not line.startswith("#"):
# 去掉冗余空格
line = strcm.remove_space(line)
line = line.rstrip(";").rstrip(" main").rstrip(" crit")
dataList = line.split(" ")
if len(dataList) >= 2:
key = dataList[0]
if key in NGX_KEYS and key not in config_data:
config_data[key] = " ".join(dataList[1:])
line = remote_file.readline()
remote_file.close()
return config_data
def read_nginx_upstream(self, config_file):
"""
读取Nginx配置文件中的upstream
:param config_file:配置文件路径
:return: 配置字典
"""
remote_file = self.sftp.open(config_file, 'r')
upstream_data = {}
isStart = False
upstreamKey = None
serverList = []
# read any new lines from the file
line = remote_file.readline()
while line:
line = line.strip('\r\n').strip()
# 排除注释行
if not line.startswith("#"):
# 去掉冗余空格
line = strcm.remove_space(line)
if not isStart:
# 查找定义开头部分
if line.startswith("upstream "):
isStart = True
dataList = line.split(" ")
upstreamKey = dataList[1].rstrip("{")
serverList = []
else:
# 查找服务器
if line.startswith("server "):
dataList = line.split(" ")
serverList.append(dataList[1].rstrip(";"))
# 查找定义结尾
if line.startswith("}"):
upstream_data[upstreamKey] = ";".join(serverList)
isStart = False
line = remote_file.readline()
remote_file.close()
return upstream_data
def find_up_days(self):
"""
查询启动天数
:return:
"""
cmd = " top -b -n1 | head -1 "
lines = self.exe_cmd(cmd)
for line in lines:
line = line.strip("\r\n")
if line.startswith("top "):
if line.find("days") > 0:
valList = line.split(",")
days = strcm.remove_space(valList[0]).split(" ")[4]
# logcm.print_obj(days, "days")
return float(days)
else:
return 1.0
return None
def find_used_space(self):
"""
查询已用磁盘Space
:return:
"""
cmd = "df -h"
lines = self.exe_cmd(cmd)
for line in lines:
line = line.strip("\r\n")
# 去掉冗余空格
line = strcm.remove_space(line)
valList = line.split(" ")
valLen = len(valList)
# 根目录
if valList[valLen - 1] == "/":
usedSpace = valList[valLen - 2].rstrip("%")
# logcm.print_obj(usedSpace, "usedSpace")
return float(usedSpace)
return None
def read_nginx_proxy_pass(self, config_file):
"""
读取Nginx配置文件中的upstream
:param config_file:配置文件路径
:return: 配置字典
"""
remote_file = self.sftp.open(config_file, 'r')
proxyPassList = []
# read any new lines from the file
line = remote_file.readline()
while line:
line = line.strip('\r\n').strip()
# 排除注释行
if not line.startswith("#"):
# 去掉冗余空格
line = strcm.remove_space(line)
# 查找定义开头部分
if line.startswith("proxy_pass "):
dataList = line.split(" ")
proxyPassStr = dataList[1].rstrip(";")
# 去掉http开头
proxyPassStr = proxyPassStr.replace("http://", "")
# 去掉相对路径部分
pos = proxyPassStr.find("/")
if pos > 0:
proxyPassStr = proxyPassStr[0:pos]
# 去掉$部分
pos = proxyPassStr.find("$")
if pos > 0:
proxyPassStr = proxyPassStr[0:pos]
# 避免重复数据
if proxyPassStr not in proxyPassList:
proxyPassList.append(proxyPassStr)
line = remote_file.readline()
remote_file.close()
return proxyPassList