自动化运维

bin>start.py

conf>config.py

files>

​ board.out

​ cpuinfo.out

​ disk.out

​ memory.out

​ nic.out

lib>conf>conf.py

​ global_settings.py

​ convert.py

src>plugins

init..py

​ basic.py

​ board.py

​ cpu.py

​ disk.py

​ memory.py

​ nic.py

​ client.py

​ script.py

start.py:
  from src.script import run

if __name__ == '__main__':
    run()


config.py

##### 用户自定制的文件
import os
BASEDIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
MODE = 'agent' # ssh/salt

# SSH_PORT = 22
# SSH_USERNAME = 'root'
# SSH_PWD = '123'


DEBUG = True


PLUGINS_DICT = {
    'basic' : 'src.plugins.basic.Basic',
    'cpu' : 'src.plugins.cpu.Cpu',
    'disk' : 'src.plugins.disk.Disk',
    'board' : 'src.plugins.board.Board',
    'memory' : 'src.plugins.memory.Memory',
}


API_URL = 'http://127.0.0.1:8000/asset/'



conf.py


from lib.conf import global_settings
from conf import config

class Settings():

    def __init__(self):

        #### 集成全局的配置
        for k in dir(global_settings):
            if k.isupper():
                v = getattr(global_settings, k)
                setattr(self, k, v)

        #### 集成自定制的配置
        for k in dir(config):
            if k.isupper():
                v = getattr(config, k)
                setattr(self, k, v)




setting = Settings()

-----------------------------------

global_setting.py

#### ##### 全局默认配置文件

EMAIL_PORT = 25
USER = 'admin'
-----------------------------------
convert.py

#!/usr/bin/env python
# -*- coding:utf-8 -*-

def convert_to_int(value,default=0):

    try:
        result = int(value)
    except Exception as e:
        result = default

    return result

def convert_mb_to_gb(value,default=0):

    try:
        value = value.strip('MB')
        result = int(value)
    except Exception as e:
        result = default

    return result
__init__.py

from lib.conf.conf import setting
import importlib
import traceback

#### 管理采集插件的类
class PluginsManager():

    def __init__(self, hostname=None):
        self.hostname = hostname
        self.plugins_dict = setting.PLUGINS_DICT
        self.mode = setting.MODE
        self.debug = setting.DEBUG

        if self.mode == 'ssh':
            self.ssh_port = setting.SSH_PORT
            self.ssh_username = setting.SSH_USERNAME
            self.ssh_pwd = setting.SSH_PWD

    #### c从配置文件中读取要采集的插件信息, 并且执行
    def execute(self):
        '''
        PLUGINS_DICT = {
            'basic' : 'src.plugins.basic.Basic',
            'cpu' : 'src.plugins.cpu.Cpu',
            'disk' : 'src.plugins.disk.Disk',
        }
        '''
        response = {}
        for k, v in self.plugins_dict.items():
            ret = {"status":None, 'data':None}
            '''
            k: basic
            v: src.plugins.basic.Basic
            '''
            try:
                module_path, class_name = v.rsplit('.',1)  ### ['src.plugins.basic', 'Basic']
                ### 如何将字符串形式的模块导入进来
                m = importlib.import_module(module_path)
                cls = getattr(m, class_name)
                res = cls().process(self.command, self.debug)
                ret['status'] = 10000
                ret['data'] = res
            except Exception as e:
                ret['status'] = 100001
                ret['data'] = traceback.format_exc()

            response[k] = ret
        return response

    def command(self, cmd):

        if self.mode == 'agent':
            import subprocess
            res = subprocess.getoutput(cmd)
            return res
        elif self.mode == 'ssh':
            import paramiko
            ssh = paramiko.SSHClient()
            # 允许连接不在know_hosts文件中的主机
            ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
            # 连接服务器
            ssh.connect(hostname=self.hostname, port=self.ssh_port, username=self.ssh_username, password=self.ssh_pwd)
            # 执行命令
            stdin, stdout, stderr = ssh.exec_command(cmd)
            # 获取命令结果
            result = stdout.read()
            # 关闭连接
            ssh.close()
            return result
        elif self.mode == 'salt':
            import salt.client
            local = salt.client.LocalClient()
            result = local.cmd(self.hostname, 'cmd.run', [cmd])
            return result
        else:
            raise Exception ('只支持agent/ssh/salt模式')



basic.py


#!/usr/bin/env python
# -*- coding:utf-8 -*-

class Basic(object):
    def __init__(self):
        pass

    def process(self, command_func, debug):
        if debug:
            output = {
                'os_platform': "linux",
                'os_version': "CentOS release 6.6 (Final)
Kernel 
 on an m",
                'hostname': 'c2000.com'
            }
        else:
            output = {
                'os_platform': command_func("uname").strip(),
                'os_version': command_func("cat /etc/issue").strip().split('
')[0],
                'hostname': command_func("hostname").strip(),
            }
        return output

      
      
board.py

#!/usr/bin/env python
# -*- coding:utf-8 -*-
import os
from lib.conf.conf import setting


class Board(object):
    def __init__(self):
        pass


    def process(self, command_func, debug):
        if debug:
            output = open(os.path.join(setting.BASEDIR, 'files/board.out'), 'r', encoding='utf-8').read()
        else:
            output = command_func("sudo dmidecode -t1")

        return self.parse(output)

    def parse(self, content):

        result = {}
        key_map = {
            'Manufacturer': 'manufacturer',
            'Product Name': 'model',
            'Serial Number': 'sn',
        }

        for item in content.split('
'):
            row_data = item.strip().split(':')

            if len(row_data) == 2:
                if row_data[0] in key_map:
                    result[key_map[row_data[0]]] = row_data[1].strip() if row_data[1] else row_data[1]

        return result

      
      
cpu.py


#!/usr/bin/env python
# -*- coding:utf-8 -*-
import os
from lib.conf.conf import setting

class Cpu(object):
    def __init__(self):
        pass


    def process(self, command_func, debug):
        if debug:
            output = open(os.path.join(setting.BASEDIR, 'files/cpuinfo.out'), 'r', encoding='utf-8').read()
        else:
            output = command_func("cat /proc/cpuinfo")
        return self.parse(output)

    def parse(self, content):
        """
        解析shell命令返回结果
        :param content: shell 命令结果
        :return:解析后的结果
        """
        response = {'cpu_count': 0, 'cpu_physical_count': 0, 'cpu_model': ''}

        cpu_physical_set = set()

        content = content.strip()
        for item in content.split('

'):
            for row_line in item.split('
'):
                key, value = row_line.split(':')
                key = key.strip()
                if key == 'processor':
                    response['cpu_count'] += 1
                elif key == 'physical id':
                    cpu_physical_set.add(value)
                elif key == 'model name':
                    if not response['cpu_model']:
                        response['cpu_model'] = value
        response['cpu_physical_count'] = len(cpu_physical_set)

        return response

      
      
disk.py

#!/usr/bin/env python
# -*- coding:utf-8 -*-
import re
import os
from lib.conf.conf import setting


class Disk(object):
    def __init__(self):
        pass

    @classmethod
    def initial(cls):
        return cls()

    def process(self, command_func, debug):
        if debug:
            output = open(os.path.join(setting.BASEDIR, 'files/disk.out'), 'r', encoding='utf-8').read()
        else:
            output = command_func("sudo MegaCli  -PDList -aALL")
        return self.parse(output)

    def parse(self, content):
        """
        解析shell命令返回结果
        :param content: shell 命令结果
        :return:解析后的结果
        """
        response = {}
        result = []
        for row_line in content.split("



"):
            result.append(row_line)
        for item in result:
            temp_dict = {}
            for row in item.split('
'):
                if not row.strip():
                    continue
                if len(row.split(':')) != 2:
                    continue
                key, value = row.split(':')
                name = self.mega_patter_match(key)
                if name:
                    if key == 'Raw Size':
                        raw_size = re.search('(d+.d+)', value.strip())
                        if raw_size:

                            temp_dict[name] = raw_size.group()
                        else:
                            raw_size = '0'
                    else:
                        temp_dict[name] = value.strip()
            if temp_dict:
                response[temp_dict['slot']] = temp_dict
        return response

    @staticmethod
    def mega_patter_match(needle):
        grep_pattern = {'Slot': 'slot', 'Raw Size': 'capacity', 'Inquiry': 'model', 'PD Type': 'pd_type'}
        for key, value in grep_pattern.items():
            if needle.startswith(key):
                return value
        return False

      
      
      
 memory.py


#!/usr/bin/env python
# -*- coding:utf-8 -*-
import os
from lib import convert
from lib.conf.conf import setting


class Memory(object):
    def __init__(self):
        pass

    @classmethod
    def initial(cls):
        return cls()

    def process(self, command_func, debug):
        if debug:
            output = open(os.path.join(setting.BASEDIR, 'files/memory.out'), 'r', encoding='utf-8').read()
        else:
            output = command_func("sudo dmidecode  -q -t 17 2>/dev/null")

        return self.parse(output)

    def parse(self, content):
        """
        解析shell命令返回结果
        :param content: shell 命令结果
        :return:解析后的结果
        """
        ram_dict = {}
        key_map = {
            'Size': 'capacity',
            'Locator': 'slot',
            'Type': 'model',
            'Speed': 'speed',
            'Manufacturer': 'manufacturer',
            'Serial Number': 'sn',
        }
        devices = content.split('Memory Device')
        for item in devices:
            item = item.strip()
            if not item:
                continue
            if item.startswith('#'):
                continue
            segment = {}
            lines = item.split('
	')
            for line in lines:
                if not line.strip():
                    continue
                if len(line.split(':')):
                    key, value = line.split(':')
                else:
                    key = line.split(':')[0]
                    value = ""
                if key in key_map:
                    if key == 'Size':
                        segment[key_map['Size']] = convert.convert_mb_to_gb(value, 0)
                    else:
                        segment[key_map[key.strip()]] = value.strip()

            ram_dict[segment['slot']] = segment

        return ram_dict

      
      
 nic.py

#!/usr/bin/env python
# -*- coding:utf-8 -*-
import os
import re
from lib.conf.conf import setting


class Nic(object):
    def __init__(self):
        pass

    @classmethod
    def initial(cls):
        return cls()

    def process(self, command_func, debug):
        if debug:
            output = open(os.path.join(setting.BASEDIR, 'files/nic.out'), 'r', encoding='utf-8').read()
            interfaces_info = self._interfaces_ip(output)
        else:
            interfaces_info = self.linux_interfaces(command_func)

        self.standard(interfaces_info)

        return interfaces_info

    def linux_interfaces(self, command_func):
        '''
        Obtain interface information for *NIX/BSD variants
        '''
        ifaces = dict()
        ip_path = 'ip'
        if ip_path:
            cmd1 = command_func('sudo {0} link show'.format(ip_path))
            cmd2 = command_func('sudo {0} addr show'.format(ip_path))
            ifaces = self._interfaces_ip(cmd1 + '
' + cmd2)
        return ifaces

    def which(self, exe):
        def _is_executable_file_or_link(exe):
            # check for os.X_OK doesn't suffice because directory may executable
            return (os.access(exe, os.X_OK) and
                    (os.path.isfile(exe) or os.path.islink(exe)))

        if exe:
            if _is_executable_file_or_link(exe):
                # executable in cwd or fullpath
                return exe

            # default path based on busybox's default
            default_path = '/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin'
            search_path = os.environ.get('PATH', default_path)
            path_ext = os.environ.get('PATHEXT', '.EXE')
            ext_list = path_ext.split(';')

            search_path = search_path.split(os.pathsep)
            if True:
                # Add any dirs in the default_path which are not in search_path. If
                # there was no PATH variable found in os.environ, then this will be
                # a no-op. This ensures that all dirs in the default_path are
                # searched, which lets salt.utils.which() work well when invoked by
                # salt-call running from cron (which, depending on platform, may
                # have a severely limited PATH).
                search_path.extend(
                    [
                        x for x in default_path.split(os.pathsep)
                        if x not in search_path
                    ]
                )
            for path in search_path:
                full_path = os.path.join(path, exe)
                if _is_executable_file_or_link(full_path):
                    return full_path

        return None

    def _number_of_set_bits_to_ipv4_netmask(self, set_bits):  # pylint: disable=C0103
        '''
        Returns an IPv4 netmask from the integer representation of that mask.

        Ex. 0xffffff00 -> '255.255.255.0'
        '''
        return self.cidr_to_ipv4_netmask(self._number_of_set_bits(set_bits))

    def cidr_to_ipv4_netmask(self, cidr_bits):
        '''
        Returns an IPv4 netmask
        '''
        try:
            cidr_bits = int(cidr_bits)
            if not 1 <= cidr_bits <= 32:
                return ''
        except ValueError:
            return ''

        netmask = ''
        for idx in range(4):
            if idx:
                netmask += '.'
            if cidr_bits >= 8:
                netmask += '255'
                cidr_bits -= 8
            else:
                netmask += '{0:d}'.format(256 - (2 ** (8 - cidr_bits)))
                cidr_bits = 0
        return netmask

    def _number_of_set_bits(self, x):
        '''
        Returns the number of bits that are set in a 32bit int
        '''
        # Taken from http://stackoverflow.com/a/4912729. Many thanks!
        x -= (x >> 1) & 0x55555555
        x = ((x >> 2) & 0x33333333) + (x & 0x33333333)
        x = ((x >> 4) + x) & 0x0f0f0f0f
        x += x >> 8
        x += x >> 16
        return x & 0x0000003f

    def _interfaces_ip(self, out):
        '''
        Uses ip to return a dictionary of interfaces with various information about
        each (up/down state, ip address, netmask, and hwaddr)
        '''
        ret = dict()
        right_keys = ['name', 'hwaddr', 'up', 'netmask', 'ipaddrs']

        def parse_network(value, cols):
            '''
            Return a tuple of ip, netmask, broadcast
            based on the current set of cols
            '''
            brd = None
            if '/' in value:  # we have a CIDR in this address
                ip, cidr = value.split('/')  # pylint: disable=C0103
            else:
                ip = value  # pylint: disable=C0103
                cidr = 32

            if type_ == 'inet':
                mask = self.cidr_to_ipv4_netmask(int(cidr))
                if 'brd' in cols:
                    brd = cols[cols.index('brd') + 1]
            return (ip, mask, brd)

        groups = re.compile('
?
\d').split(out)
        for group in groups:
            iface = None
            data = dict()

            for line in group.splitlines():
                if ' ' not in line:
                    continue
                match = re.match(r'^d*:s+([w.-]+)(?:@)?([w.-]+)?:s+<(.+)>', line)
                if match:
                    iface, parent, attrs = match.groups()
                    if 'UP' in attrs.split(','):
                        data['up'] = True
                    else:
                        data['up'] = False
                    if parent and parent in right_keys:
                        data[parent] = parent
                    continue

                cols = line.split()
                if len(cols) >= 2:
                    type_, value = tuple(cols[0:2])

                    iflabel = cols[-1:][0]
                    if type_ in ('inet',):
                        if 'secondary' not in cols:
                            ipaddr, netmask, broadcast = parse_network(value, cols)
                            if type_ == 'inet':
                                if 'inet' not in data:
                                    data['inet'] = list()
                                addr_obj = dict()
                                addr_obj['address'] = ipaddr
                                addr_obj['netmask'] = netmask
                                addr_obj['broadcast'] = broadcast
                                data['inet'].append(addr_obj)
                        else:
                            if 'secondary' not in data:
                                data['secondary'] = list()
                            ip_, mask, brd = parse_network(value, cols)
                            data['secondary'].append({
                                'type': type_,
                                'address': ip_,
                                'netmask': mask,
                                'broadcast': brd,
                            })
                            del ip_, mask, brd
                    elif type_.startswith('link'):
                        data['hwaddr'] = value
            if iface:
                if iface.startswith('pan') or iface.startswith('lo') or iface.startswith('v'):
                    del iface, data
                else:
                    ret[iface] = data
                    del iface, data
        return ret

    def standard(self, interfaces_info):

        for key, value in interfaces_info.items():
            ipaddrs = set()
            netmask = set()
            if not 'inet' in value:
                value['ipaddrs'] = ''
                value['netmask'] = ''
            else:
                for item in value['inet']:
                    ipaddrs.add(item['address'])
                    netmask.add(item['netmask'])
                value['ipaddrs'] = '/'.join(ipaddrs)
                value['netmask'] = '/'.join(netmask)
                del value['inet']

client.py

from lib.conf.conf import setting
import json
import os
from src.plugins import PluginsManager
import requests

class Base():
    def postData(self, data):
        requests.post(setting.API_URL, data=json.dumps(data))


class Agent(Base):
    def collect(self):
        res = PluginsManager().execute()
        hostname = res['basic']['data']['hostname']  ### c2000.com
        ret = open(os.path.join(setting.BASEDIR, 'conf/cert'), 'r', encoding='utf8').read()

        if not ret:
            with open(os.path.join(setting.BASEDIR, 'conf/cert'), 'w', encoding='utf8') as fp:
                fp.write(hostname)
        else:
            res['basic']['data']['hostname']  = ret

        for k, v in res.items():
            print(k, v)
        self.postData(res)


class SSHSalt(Base):

    def getHostnames(self):
        hostnames = requests.get(setting.API_URL)
        # return hostnames
        return ['c1.com', 'c2.com']

    def run(self, hostname):
        res = PluginsManager(hostname=hostname).execute()
        self.postData(res)

    def collect(self):
        from concurrent.futures import ThreadPoolExecutor
        p = ThreadPoolExecutor(10)

        hostnames = self.getHostnames()

        for hostname in hostnames:
           p.submit(self.run, hostname)






script.py

from lib.conf.conf import setting
from src.client import Agent, SSHSalt

def run():
    mode = setting.MODE

    if mode == 'agent':
        obj = Agent()
    else:
        obj = SSHSalt()

    obj.collect()
                
原文地址:https://www.cnblogs.com/zhuyuanying123--/p/13521193.html