/
handlers.py
1003 lines (944 loc) · 48.9 KB
/
handlers.py
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from .models import *
import paramiko
import logging
from .scheduled import mem_unit_chage
from django.core.exceptions import ValidationError
# 针对model 的signal
from django.dispatch import receiver
from django.db.models.signals import post_save
from django.contrib.auth.models import User
from .tools import redis_apply_text, split_integer, slot_split_part
import os
import copy
# 定义项目绝对路径
TEMPLATES_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
logger = logging.getLogger("django")
@receiver(post_save, sender=ApplyRedisText, dispatch_uid="mymodel_post_save")
def apply_redis_text_handler(sender, **kwargs):
"""
触发器,前端页面在审批完后自动触发
:param sender:
:param kwargs:
:return:
"""
redis_ins_id = kwargs['instance'].redis_ins_id
redis_ins_obj = RedisIns.objects.filter(redis_ins_name=redis_ins_id)
redis_ins_type = redis_ins_obj.values('redis_type').first()['redis_type']
redis_text = kwargs['instance'].apply_text
redis_apply_text_split = redis_apply_text(redis_text, redis_type=redis_ins_type)
redis_ins_obj_name = redis_ins_obj.values('redis_ins_name').first()
redis_ins_obj_mem = redis_ins_obj.values('redis_mem').first()
if redis_ins_type == 'Redis-Standalone':
redis_ip = redis_apply_text_split['redis_ip']
redis_port = redis_apply_text_split['redis_port']
redis_standalone_ins = RedisStandalone(redis_ins=redis_ins_obj,
redis_ins_name=redis_ins_obj_name,
redis_ins_type=redis_ins_type,
redis_ins_mem=redis_apply_text_split['redis_mem'],
redis_ip=redis_ip,
redis_port=redis_port)
redis_standalone_ins.saved_redis_running_ins()
if redis_standalone_ins.create_redis_conf_file():
redis_start = RedisStartClass(host=redis_ip,
redis_server_ctl="/opt/repoll/redis/src/redis-server /opt/repoll/conf/" + str(redis_port) + ".conf")
if redis_start.start_server():
logger.info("Redis 单实例启动成功,服务器IP:{0}, 启动端口为:{1}".format(redis_ip, redis_port))
else:
logger.info("Redis 单实例启动失败,服务器IP:{0}, 启动端口为:{1}".format(redis_ip, redis_port))
raise ValidationError("redis 单实例启动失败")
else:
raise ValidationError("redis 单实例启动失败")
elif redis_ins_type == 'Redis-Sentinel':
b = RedisModelStartClass(model_type='Redis-Sentinel',
redis_ins=redis_ins_obj,
redis_master_ip_port=redis_apply_text_split['redis_master_ip_port'],
redis_slave_ip_port=redis_apply_text_split['redis_slave_ip_port'],
redis_master_name=redis_apply_text_split['redis_master_name'],
redis_sentinel_ip_port=redis_apply_text_split['redis_sentinel_ip_port'],
redis_sentinel_num=redis_apply_text_split['redis_sentinel_num'],
sentinel_down_after_milliseconds=30000,
sentinel_failover_timeout=180000,
sentinel_parallel_syncs=1,
redis_mem=redis_apply_text_split['redis_mem'])
create_sentinel_conf_file = b.create_sentienl_conf_file()
create_master_slave_file = b.create_maser_slave_conf()
if create_sentinel_conf_file and create_master_slave_file:
start_master = b.start_redis_master()
if start_master:
start_slave = b.start_slave_master()
if start_slave:
b.start_sentinel_master()
logger.info("哨兵模式启动成功,redis_master_ip_port:{0},"
"redis_slave_ip_port:{1},"
"redis_sentinel_ip_port:{2},"
"redis_master_name:{3}".format(redis_apply_text_split['redis_master_ip_port'],
redis_apply_text_split['redis_slave_ip_port'],
redis_apply_text_split['redis_sentinel_ip_port'],
redis_apply_text_split['redis_master_name']))
else:
raise ValidationError("redis 哨兵动失败")
b.save_sentinel_redis_ins()
elif redis_ins_type == 'Redis-Cluster':
redis_list = []
redis_cluster_mem_sum = 0
for redis_one_ins in redis_apply_text_split:
redis_one_ins_split = {"redis_master": redis_one_ins['redis_ip_port'][0],
"redis_slave": redis_one_ins['redis_ip_port'][1:],
"redis_mem": redis_one_ins['redis_mem']}
redis_cluster_mem_sum += int(redis_one_ins['redis_mem'])
redis_list.append(redis_one_ins_split)
obj_runningins = RunningInsTime(running_ins_name=redis_ins_obj_name["redis_ins_name"],
redis_type='Redis-Cluster',
redis_ins_mem=redis_cluster_mem_sum,
ins_status=0)
obj_runningins.save()
for redis_one_ins in redis_apply_text_split:
for all_redis_ins in redis_one_ins['redis_ip_port']:
if redis_one_ins['redis_ip_port'].index(all_redis_ins) == 0:
c = RedisClusterClass(redis_ins=redis_ins_obj,
redis_ins_name=redis_ins_obj_name,
redis_ins_type="Redis-Master",
redis_ins_mem=redis_one_ins['redis_mem'],
redis_ip=all_redis_ins[0],
redis_port=all_redis_ins[1])
# c.check_redis_cluster_port(redis_apply_text_split)
file_status = c.create_cluster_file()
if file_status:
c.start_all_redis_ins()
c.save_cluster_ins()
else:
raise ValidationError("redis cluster 启动失败")
else:
c = RedisClusterClass(redis_ins=redis_ins_obj,
redis_ins_name=redis_ins_obj_name,
redis_ins_type="Redis-Slave",
redis_ins_mem=redis_one_ins['redis_mem'],
redis_ip=all_redis_ins[0],
redis_port=all_redis_ins[1])
file_status = c.create_cluster_file()
if file_status:
c.start_all_redis_ins()
c.save_cluster_ins()
else:
"""前台页面没有报错显示"""
raise ValidationError("redis cluster 启动失败")
RedisIns.objects.filter(redis_ins_name=redis_ins_obj_name["redis_ins_name"]).update(on_line_status=0)
start_cluster = StartRedisCluster(cluster_list=redis_list)
redis_cluster_list = start_cluster.redis_cluster_list()
start_cluster.redis_cluser_meet(redis_cluster_list)
redis_cluster_node_info = start_cluster.get_cluster_info()
if redis_cluster_node_info:
start_cluster.add_slot_2_master(redis_cluster_node_info)
else:
logger.error("redis cluster 启动失败,集群信息为{0}".format(redis_list))
raise ValidationError("redis cluster 启动失败")
else:
raise ValidationError("redis 模式错误")
@receiver(post_save, sender=ApplyRedisInfo, dispatch_uid="mymodel_post_save")
def apply_redis_info_handler(sender, **kwargs):
"""
ApplyRedisInfo模型被保持时触发执行
:param sender:
:param kwargs:
:return:
"""
redis_ins_id = kwargs['instance'].apply_ins_name
redis_ins_obj = ApplyRedisInfo.objects.filter(apply_ins_name=redis_ins_id)
redis_ins_obj_type = redis_ins_obj.values('redis_type').first()
redis_ins_obj_name = redis_ins_obj.values('apply_ins_name').first()
redis_ins_obj_mem = redis_ins_obj.values('redis_mem').first()
ins_disc = redis_ins_obj.values('ins_disc').first()
sys_author = redis_ins_obj.values('sys_author').first()
pub_date = redis_ins_obj.values('pub_date').first()
create_user = redis_ins_obj.values('create_user').first()
apply_status = redis_ins_obj.values('apply_status').first()
area = redis_ins_obj.values('area').first()
uq = User.objects.filter(username=sys_author['sys_author']).values('username').first()['username']
obj = RedisApply(apply_ins_name=redis_ins_obj_name['apply_ins_name'],
ins_disc=ins_disc['ins_disc'],
redis_type=redis_ins_obj_type['redis_type'],
redis_mem=redis_ins_obj_mem['redis_mem'],
sys_author_id=uq,
area=area['area'],
pub_date=pub_date['pub_date'],
create_user_id=uq,
apply_status=apply_status['apply_status']
)
obj.save()
def get_redis_server_cli(redis_type, host_ip, host_port, pass_word=None):
"""
通过redis的模式获取命令行命令
:param redis_type: 区别运行模式,cluster的命令行添加 -c -a 参数
:param pass_word: 密码
:param host_ip: 主机ip
:param host_port: redis的端口
:return:
"""
if redis_type == 'Redis-Cluster':
if pass_word:
redis_server_cli = f"/opt/repoll/redis/src/redis-cli -c -a {pass_word} -h {host_ip} -p {host_port} "
else:
redis_server_cli = f"/opt/repoll/redis/src/redis-cli -c -h {host_ip} -p {host_port} "
else:
redis_server_cli = f"/opt/repoll/redis/src/redis-cli -h {host_ip} -p {host_port} "
return redis_server_cli
def get_redis_conf(redis_type):
"""
通过redis的模式获取当前所有的配置文件
:param redis_type:
:return:
"""
if redis_type == 'Redis-Standalone':
obj = RedisConf.objects.all().filter(redis_type=redis_type)
elif redis_type == 'Redis-Sentinel':
obj = RedisSentienlConf.objects.all().filter()
elif redis_type == 'Redis-Cluster':
obj = RedisClusterConf.objects.all().filter()
else:
obj = None
return obj
def get_server_user_passwd(server_ip):
"""
通过server IP从库中获取用户名和密码
:param server_ip:
:return:
"""
server_user_passwd = ServerUserPass.objects.filter(server_ip_id=server_ip).values("user_name", "user_passwd")
return server_user_passwd.first()
def do_command(host, commands, private_key_file=None, user_name=None, user_password=None):
"""
登录远端服务器执行命令
:param host: 远端主机
:param commands: 到远端执行的命令
:param user_name: 登录到远端的服务名
:param private_key_file: 秘钥路径
:param user_password: 用户密码
:return:
"""
pwd = get_server_user_passwd(server_ip=host)
try:
# 创建SSH对象
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()) # 第一次登录的认证信息
if private_key_file:
private_key = paramiko.RSAKey.from_private_key_file(private_key_file)
# 连接服务器
ssh.connect(hostname=host, port=22, username=pwd['user_name'], pkey=private_key)
# 执行命令
stdin, stdout, stderr = ssh.exec_command(commands)
# 获取命令结果
res, err = stdout.read(), stderr.read()
command_exit_result = res if res else err
command_exit_status = stdout.channel.recv_exit_status()
# 关闭连接
ssh.close()
return command_exit_status, command_exit_result
else:
# 连接服务器
ssh.connect(hostname=host, port=22, username=pwd['user_name'], password=pwd['user_passwd'])
# 执行命令
stdin, stdout, stderr = ssh.exec_command(commands)
# 获取命令结果
res, err = stdout.read(), stderr.read()
command_exit_result = res if res else err
command_exit_status = stdout.channel.recv_exit_status()
# 关闭连接
ssh.close()
return command_exit_status, command_exit_result
except Exception as e:
logging.info("{0}, ssh登陆失败,错误信息为{1}".format(host, e))
return False
def do_scp(host, local_file, remote_file, private_key_file=None, user_name=None, user_password=None):
"""
拷贝redis的配置文件到指定的服务器中指定目录中
:param host: 远端主机
:param local_file: 本地redis的配置文件路径
:param remote_file: 远端存放路径
:param private_key_file: 秘钥路径
:param user_password: 用户密码
:param user_name: 用户名
:return:
"""
pwd = get_server_user_passwd(server_ip=host)
try:
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()) # 第一次登录的认证信息
if private_key_file:
private_key = paramiko.RSAKey.from_private_key_file(private_key_file)
# 连接服务器
ssh.connect(hostname=host, port=22, username=pwd['user_name'], pkey=private_key)
# 执行命令
client = paramiko.Transport(host)
client.connect(username=pwd['user_name'], pkey=private_key)
sftp = paramiko.SFTPClient.from_transport(client)
sftp.put(local_file, remote_file)
client.close()
return True
else:
# 连接服务器
ssh.connect(hostname=host, port=22, username=pwd['user_name'], password=pwd['user_passwd'])
# 执行命令
client = paramiko.Transport(host)
client.connect(username=pwd['user_name'], password=pwd['user_passwd'])
sftp = paramiko.SFTPClient.from_transport(client)
sftp.put(local_file, remote_file)
client.close()
return True
except Exception as e:
logging.info("{0}, ssh登陆失败,错误信息为{1}".format(host, e))
return False
def regx_redis_conf(key, value, port, maxmemory=None, **kwargs):
"""
对于redis的配置进行格式化,部分k,v需要进行替换
:param key: redis.conf文件中的配置项
:param value: redis.conf文件中的配置项的值
:param port: Redis的端口
:param maxmemory: Redis的最大内存
:param kwargs: 需要修改的配置文件的kv
:return:
"""
if isinstance(key, str):
try:
if "_" in key:
key = key.replace("_", "-")
return key, value
elif "%port%" in str(value):
value = value.replace("%port%", port)
return key, value
elif "%dmb%" in str(value):
value = value.replace("%dmb%", str(maxmemory) + "m")
return key, value
elif "%percentage%" in str(value):
value = value.replace("%percentage%", "100%")
return key, value
elif "save900" in key:
key = key.replace("save900", "save 900 ")
return key, value
elif "save300" in key:
key = key.replace("save300", "save 900 ")
return key, value
elif "save60" in key:
key = key.replace("save60", "save 900 ")
return key, value
elif "logfile" in key:
value = value.replace("/opt/repoll/", "/opt/repoll/logs/{0}.log".format(port))
return key, value
elif "clientOutputBufferLimitNormal" in key:
key = key.replace("clientOutputBufferLimitNormal", "client-output-buffer-limit normal")
return key, value
elif "clientOutputBufferLimitSlave" in key:
key = key.replace("clientOutputBufferLimitSlave", "client-output-buffer-limit slave")
return key, value
elif "clientOutputBufferLimitPubsub" in key:
key = key.replace("clientOutputBufferLimitPubsub", "client-output-buffer-limit pubsub")
return key, value
elif "sentinelMonitor" in key:
key = key.replace(key, "sentinel monitor ")
value = value.replace("%masterName_ip_port_num%",
" {0} {1} {2} {3}".format(kwargs['kwargs']['masterName'], kwargs['kwargs']['masterIp'],
kwargs['kwargs']['masterPort'], kwargs['kwargs']['sentinelNum']))
return key, value
elif "authPass" in key:
key = key.replace(key, "sentinel auth-pass {0} ".format(kwargs['kwargs']['masterName']))
elif "sentinelDownAfterMilliseconds" in key:
key = key.replace(key, "sentinel down-after-milliseconds ")
value = value.replace(value, " {0} 20000".format(kwargs['kwargs']['masterName']))
return key, value
elif "sentinelFailoverTimeout" in key:
key = key.replace(key, "sentinel failover-timeout ")
value = value.replace(value, " {0} 180000".format(kwargs['kwargs']['masterName']))
return key, value
elif "sentinelParallelSyncs" in key:
key = key.replace(key, "sentinel parallel-syncs ")
value = value.replace(value, " {0} 1".format(kwargs['kwargs']['masterName']))
return key, value
elif "clusterconfigfile" in key:
key = key.replace(key, "cluster-config-file")
value = value.replace(value, "nodes-{0}.conf".format(kwargs['kwargs']['redis_port']))
return key, value
except ValueError as e:
pass
return key, value
class RedisStandalone:
def __init__(self, redis_ins, redis_ins_name, redis_ins_type, redis_ins_mem, redis_ip, redis_port,
master_name=None, master_ip_port=None):
"""
单个redis的实例进行配置文件生成、配置文件分发、进程启动
:param redis_ins:
:param redis_ins_name:
:param redis_ins_type:
:param redis_ins_mem:
:param redis_ip:
:param redis_port:
:param master_name:
:param master_ip_port:
"""
self.redis_ins = [r.__dict__ for r in redis_ins]
self.redis_ins_name = redis_ins_name['redis_ins_name']
self.redis_ins_type = redis_ins_type
self.redis_ins_mem = redis_ins_mem
self.redis_ip = redis_ip
self.redis_port = redis_port
if master_name:
self.master_name = master_name
self.master_ip_port = master_ip_port
else:
self.master_name = None
def standalone_conf(self):
"""
获取Redis的standalone的所有配置项
:return:
"""
redis_conf = get_redis_conf(redis_type=self.redis_ins_type)
return redis_conf
def saved_redis_running_ins(self):
"""
将上线实例写入数据库
:return:
"""
obj_runningins = RunningInsTime(running_ins_name=self.redis_ins_name,
redis_type=self.redis_ins_type,
redis_ins_mem=self.redis_ins_mem,
)
obj_runningins.save()
try:
obj_runningins_now = RunningInsTime.objects.all().get(running_ins_name=self.redis_ins_name)
obj = RunningInsStandalone(running_ins_name=self.redis_ins_name,
redis_type=self.redis_ins_type,
redis_ins_mem=self.redis_ins_mem,
redis_ip=self.redis_ip,
running_ins_port=self.redis_port,
running_ins_id=obj_runningins_now.id
)
obj.save()
RedisIns.objects.filter(redis_ins_name=self.redis_ins_name).update(on_line_status=0)
except Exception:
pass
return True
def create_redis_conf_file(self):
"""
创建redis实例的配置文件,并分发到资源池服务器指定的目录下。分发文件支持ssh免密和用户密码校验
使用用户密码校验目前是硬编码,后续优化支持读库
:return:
"""
redis_conf = get_redis_conf(self.redis_ins_type)
all_redis_conf = [conf_k_v.__dict__ for conf_k_v in redis_conf]
redis_dir = all_redis_conf[0]['dir']
conf_file_name = "{0}/templates/".format(TEMPLATES_DIR) + str(self.redis_port) + ".conf"
with open(conf_file_name, 'w+') as f:
for k, v in all_redis_conf[0].items():
if k != 'id' and k != 'redis_version' and k != 'redis_type':
if isinstance(v, str) or isinstance(v, int):
k, v = regx_redis_conf(key=k, value=v, port=self.redis_port,
maxmemory=mem_unit_chage(self.redis_ins_mem))
f.write(k + " " + str(v) + "\n")
if self.master_name:
_maser_ip_port = self.master_ip_port.split(":")
f.write("slaveof {0} {1}".format(_maser_ip_port[0], _maser_ip_port[1]))
if do_scp(self.redis_ip, conf_file_name, "/opt/repoll/conf/" + str(self.redis_port) + ".conf"):
logging.info("文件分发成功")
else:
logging.error("文件分发失败")
return False
return True
class RedisStartClass:
def __init__(self, host, redis_server_ctl):
"""
远程登录服务器,执行命令。包括Redis的起、停
:param host:
:param redis_server_ctl:
"""
self.redis_server_ctl = redis_server_ctl
self.host = host
def start_server(self):
"""
启动redis的实例
"""
do_command_result = do_command(self.host, self.redis_server_ctl)
if do_command_result:
if do_command_result[0] == 0:
return True
else:
return False
class RedisModelStartClass:
def __init__(self, model_type, redis_ins, redis_master_ip_port, redis_sentinel_ip_port, redis_slave_ip_port,
redis_master_name, redis_mem, redis_sentinel_num, sentinel_down_after_milliseconds=None,
sentinel_failover_timeout=None, sentinel_parallel_syncs=None):
"""
非standalone模式的redis的实例配置文件生成、文件分发、实例启动
:param model_type: 运行模式
:param redis_ins: RedisIns 数据库qureySet
:param redis_master_ip_port: 哨兵模式master的ip和port,输入数据类型str
:param redis_sentinel_ip_port: 哨兵模式sentinel的ip和port,输入数据类型list
:param redis_slave_ip_port: 哨兵模式slave的ip和port,输入数据类型list
:param redis_master_name: 哨兵模式的mastername
:param redis_mem: redis实例的最大内存
:param redis_sentinel_num: 哨兵模式在多少个哨兵进行投票
:param sentinel_down_after_milliseconds:
:param sentinel_failover_timeout:
:param sentinel_parallel_syncs:
"""
self.model_type = model_type
self.redis_ins = redis_ins
redis_ins_query = [r.__dict__ for r in redis_ins]
self.redis_ins_name = redis_ins_query[0]
self.redis_master_name = redis_master_name
self.redis_sentinel_ip_port = redis_sentinel_ip_port
self.redis_slave_ip_port = redis_slave_ip_port
self.redis_mem = redis_mem
self.redis_sentinel_num = redis_sentinel_num
if sentinel_down_after_milliseconds:
self.sentinel_down_after_milliseconds = sentinel_down_after_milliseconds
if sentinel_failover_timeout:
self.sentinel_failover_timeout = sentinel_failover_timeout
if sentinel_parallel_syncs:
self.sentinel_parallel_syncs = sentinel_parallel_syncs
if isinstance(redis_master_ip_port, dict) and len(redis_master_ip_port) == 1:
for k, v in redis_master_ip_port.items():
self.redis_master_ip = k
self.redis_master_port = v
def create_sentienl_conf_file(self):
"""
创建redis 哨兵实例的配置文件,并分发到资源池服务器指定的目录下。分发文件支持ssh免密和用户密码校验
使用用户密码校验目前是硬编码,后续优化支持读库
:return:
"""
redis_conf = get_redis_conf(self.model_type)
all_redis_conf = [conf_k_v.__dict__ for conf_k_v in redis_conf]
for sentinel in self.redis_sentinel_ip_port:
if isinstance(sentinel, str):
redis_sentinel_ip, redis_sentinel_port = sentinel.split(":")
conf_file_name = "{0}/templates/".format(TEMPLATES_DIR) + str(redis_sentinel_port) + "-sentinel.conf"
conf_modify = {
"masterName": self.redis_master_name,
"masterIp": self.redis_master_ip,
"masterPort": self.redis_master_port,
"sentinelNum": self.redis_sentinel_num,
}
with open(conf_file_name, 'w+') as f:
for k, v in all_redis_conf[0].items():
if k != 'id' and k != 'redis_type':
if isinstance(v, str) or isinstance(v, int):
k, v = regx_redis_conf(key=k, value=v,
port=redis_sentinel_port, kwargs=conf_modify)
f.write(k + " " + str(v) + "\n")
if do_scp(redis_sentinel_ip, conf_file_name,
"/opt/repoll/conf/" + str(redis_sentinel_port) + "-sentinel.conf"):
logging.info("文件分发成功")
else:
logging.error("文件分发失败")
return False
return True
def create_maser_slave_conf(self):
"""
创建master和slave的配置文件
:return:
"""
redis_master_standalone_ins = RedisStandalone(redis_ins=self.redis_ins,
redis_ins_name=self.redis_ins_name,
redis_ins_type='Redis-Standalone',
redis_ins_mem=self.redis_mem,
redis_ip=self.redis_master_ip,
redis_port=self.redis_master_port)
redis_master_standalone_ins.create_redis_conf_file()
for slave_ip_port in self.redis_slave_ip_port:
for slave_ip, slave_port in slave_ip_port.items():
redis_slave_standalone_ins = RedisStandalone(redis_ins=self.redis_ins,
redis_ins_name=self.redis_ins_name,
redis_ins_type='Redis-Standalone',
redis_ins_mem=self.redis_mem,
redis_ip=slave_ip,
redis_port=slave_port,
master_name=self.redis_master_name,
master_ip_port="{0}:{1}".format(self.redis_master_ip, self.redis_master_port))
redis_slave_standalone_ins.create_redis_conf_file()
return True
def start_redis_master(self):
"""
启动master实例
"""
redis_master_start = RedisStartClass(host=self.redis_master_ip,
redis_server_ctl="/opt/repoll/redis/src/redis-server /opt/repoll/conf/" +
str(self.redis_master_port) + ".conf")
start_result = redis_master_start.start_server()
return start_result
def start_slave_master(self):
"""
启动slave实例
"""
start_result_dict = {}
for slave_ip_port in self.redis_slave_ip_port:
for slave_ip, slave_port in slave_ip_port.items():
redis_master_start = RedisStartClass(host=slave_ip,
redis_server_ctl="/opt/repoll/redis/src/redis-server /opt/repoll/conf/" +
str(slave_port) + ".conf")
start_result = redis_master_start.start_server()
start_result_dict["{0}:{1}".format(slave_ip, slave_port)] = start_result
return start_result_dict
def start_sentinel_master(self):
"""
启动哨兵实例
"""
start_result_dict = {}
for sentinel in self.redis_sentinel_ip_port:
if isinstance(sentinel, str):
redis_sentinel_ip, redis_sentinel_port = sentinel.split(":")
redis_sentinel_start = RedisStartClass(host=redis_sentinel_ip,
redis_server_ctl="/opt/repoll/redis/src/redis-server /opt/repoll/conf/" +
str(redis_sentinel_port) + "-sentinel.conf --sentinel")
redis_sentinel_start_result = redis_sentinel_start.start_server()
start_result_dict["{0}:{1}".format(redis_sentinel_ip, redis_sentinel_port)] = redis_sentinel_start_result
return start_result_dict
def save_sentinel_redis_ins(self):
"""
配置入库
"""
obj_runningins = RunningInsTime(running_ins_name=self.redis_ins_name['redis_ins_name'],
redis_type=self.model_type,
redis_ins_mem=self.redis_mem,
)
obj_runningins.save()
all_redis_ip_port = []
for slave_ip_port in self.redis_slave_ip_port:
for slave_ip, slave_port in slave_ip_port.items():
slave_ip_port_str = slave_ip + ":" + slave_port
all_redis_ip_port.append(slave_ip_port_str)
obj_runningins_now = RunningInsTime.objects.all().get(running_ins_name=self.redis_ins_name['redis_ins_name'])
for redis_slave_ip_port in all_redis_ip_port:
ip = redis_slave_ip_port.split(":")[0]
port = redis_slave_ip_port.split(":")[1]
obj = RunningInsSentinel(
running_ins_name=self.redis_ins_name['redis_ins_name'],
redis_type='Redis-Slave',
running_ins_port=port,
redis_ip=ip,
redis_ins_mem=self.redis_mem,
running_ins_standalone_id=obj_runningins_now.id,
)
obj.save()
obj = RunningInsSentinel(
running_ins_name=self.redis_ins_name['redis_ins_name'],
redis_type='Redis-Master',
running_ins_port=self.redis_master_port,
redis_ip=self.redis_master_ip,
redis_ins_mem=self.redis_mem,
running_ins_standalone_id=obj_runningins_now.id,
)
obj.save()
for sentinel_ip_port in self.redis_sentinel_ip_port:
ip = sentinel_ip_port.split(":")[0]
port = sentinel_ip_port.split(":")[1]
obj_sentinel = RunningInsSentinel(
running_ins_name=self.redis_ins_name['redis_ins_name'],
redis_type=self.model_type,
running_ins_port=port,
redis_ip=ip,
running_ins_standalone_id=obj_runningins_now.id,
)
obj_sentinel.save()
RedisIns.objects.filter(redis_ins_name=self.redis_ins_name['redis_ins_name']).update(on_line_status=0)
return True
class RedisClusterClass:
def __init__(self, redis_ins, redis_ins_name, redis_ins_type, redis_ins_mem, redis_ip, redis_port):
"""
单个redis的实例进行配置文件生成、配置文件分发、进程启动
:param redis_ins:
:param redis_ins_name:
:param redis_ins_type:
:param redis_ins_mem:
:param redis_ip:
:param redis_port:
"""
self.redis_ins = [r.__dict__ for r in redis_ins]
self.redis_ins_name = redis_ins_name['redis_ins_name']
self.redis_ins_type = redis_ins_type
self.redis_ins_mem = redis_ins_mem
self.redis_ip = redis_ip
self.redis_port = redis_port
def create_cluster_file(self):
"""
创建redis实例的配置文件,并分发到资源池服务器指定的目录下。分发文件支持ssh免密和用户密码校验
使用用户密码校验目前是硬编码,后续优化支持读库
:return:
"""
redis_conf = get_redis_conf("Redis-Standalone")
redis_cluster_conf = get_redis_conf("Redis-Cluster")
all_redis_conf = [conf_k_v.__dict__ for conf_k_v in redis_conf]
all_cluster_conf = [conf_k_v.__dict__ for conf_k_v in redis_cluster_conf]
conf_file_name = "{0}/templates/".format(TEMPLATES_DIR) + str(self.redis_port) + "-cluser.conf"
with open(conf_file_name, 'w+') as f:
for k, v in all_redis_conf[0].items():
if k != 'id' and k != 'redis_version' and k != 'redis_type':
if isinstance(v, str) or isinstance(v, int):
k, v = regx_redis_conf(key=k, value=v, port=self.redis_port,
maxmemory=mem_unit_chage(self.redis_ins_mem))
f.write(k + " " + str(v) + "\n")
for k, v in all_cluster_conf[0].items():
if k != 'id' and k != 'redis_version' and k != 'redis_type':
if isinstance(v, str) or isinstance(v, int):
k, v = regx_redis_conf(key=k, value=v, port=self.redis_port,
maxmemory=mem_unit_chage(self.redis_ins_mem),
kwargs={"redis_port": self.redis_port})
f.write(k + " " + str(v) + "\n")
if do_scp(self.redis_ip, conf_file_name, "/opt/repoll/conf/" + str(self.redis_port) + "-cluster.conf"):
logging.info("目标服务器{0}文件分发成功".format("/opt/repoll/conf/" + str(self.redis_port) + "-cluster.conf"))
else:
logging.error("目标服务器{0}文件分发失败".format("/opt/repoll/conf/" + str(self.redis_port) + "-cluster.conf"))
return False
return True
def start_all_redis_ins(self):
"""
启动所有redis实例
:return:
"""
redis_start = RedisStartClass(host=self.redis_ip,
redis_server_ctl="/opt/repoll/redis/src/redis-server /opt/repoll/conf/" +
str(self.redis_port) + "-cluster.conf")
if redis_start.start_server():
logger.info("redis 实例{2}启动成功,ip:port: {0}:{1}".format(self.redis_ip, self.redis_port, self.redis_ins_name))
return True
else:
logger.info("redis 实例{2}启动失败,ip:port: {0}:{1}".format(self.redis_ip, self.redis_port, self.redis_ins_name))
return False
def check_redis_cluster_port(self, redis_one_ins):
"""
由于集群需要使用监听端口和集群间通信2个端口,默认逻辑是通信端口=监听端口+10000
:param redis_one_ins: 集群实例详情
:return:
"""
for redis_ins in redis_one_ins:
for ins in redis_ins["redis_ip_port"]:
cluster_self_connet_port = int(ins[1]) + 10000
_comm = f"/usr/sbin/lsof -i:{cluster_self_connet_port}"
_ex_comm = do_command(ins[0], _comm)
if _ex_comm[0] == 0:
logger.error(f"{self.redis_ins_name} 端口存活检查失败:{ins[0]}上存在{cluster_self_connet_port}")
raise ValidationError(f"{self.redis_ins_name} 端口存活检查失败:{ins[0]}上存在{cluster_self_connet_port}")
return True
def save_cluster_ins(self):
"""
redis实例信息入库
:return:
"""
obj_runningins_now = RunningInsTime.objects.all().get(running_ins_name=self.redis_ins_name)
obj = RunningInsCluster(
running_ins_name=self.redis_ins_name,
redis_type=self.redis_ins_type,
running_ins_port=self.redis_port,
redis_ip=self.redis_ip,
redis_ins_mem=self.redis_ins_mem,
running_ins_standalone=obj_runningins_now
)
obj.save()
class StartRedisCluster:
def __init__(self, cluster_list):
"""
启动Redis Cluster
:param cluster_list: 所有redis实例的IP及PORT
"""
if isinstance(cluster_list, list):
self.cluster_list = cluster_list
redis_standalone_conf = get_redis_conf("Redis-Standalone")
redis_pass_word = redis_standalone_conf.filter(redis_version='3.0.6').values('masterauth').first()
if redis_pass_word:
self.redis_pass_word = redis_pass_word['masterauth']
else:
self.redis_pass_word = None
def redis_cluster_list(self):
"""
格式化所有redis实例的IP及PORT
:return: list
"""
redis_list = []
for redis_one_list in self.cluster_list:
redis_list.append(redis_one_list['redis_master'])
for redis_slave in redis_one_list['redis_slave']:
redis_list.append(redis_slave)
return redis_list
def redis_cluser_meet(self, redis_ins_list):
"""
redis集群内所有节点完成cluster meet
:param redis_ins_list: 入参为格式化后的集群节点信息
:return:
"""
if isinstance(redis_ins_list, list):
redis_ins_list_copy = copy.deepcopy(redis_ins_list)
i = 0
try:
if i < len(redis_ins_list_copy):
i += 1
redis_ins_one = redis_ins_list_copy.pop(0)
redis_ins_list_copy.append(redis_ins_one)
redis_ins_one_ip = redis_ins_one[0]
redis_ins_one_port = redis_ins_one[1]
for redis_ins_one_by_one in redis_ins_list_copy:
redis_ins_one_by_one_ip = redis_ins_one_by_one[0]
redis_ins_one_port_port = redis_ins_one_by_one[1]
if self.redis_pass_word:
redis_server_cli = get_redis_server_cli(redis_type="Redis-Cluster", host_ip=redis_ins_one_ip,
host_port=redis_ins_one_port, pass_word=self.redis_pass_word)
else:
redis_server_cli = get_redis_server_cli(redis_type="Redis-Cluster", host_ip=redis_ins_one_ip,
host_port=redis_ins_one_port)
comm_line = redis_server_cli + f"cluster meet {redis_ins_one_by_one_ip} {redis_ins_one_port_port}"
_exex_command = do_command(host=redis_ins_one_ip, commands=comm_line)
if _exex_command[0] == 0:
logger.info("{0}:{1} cluster meet {2}:{3} is ok".format(
redis_ins_one_ip, redis_ins_one_port, redis_ins_one_by_one_ip, redis_ins_one_port_port))
else:
logger.info("{0}:{1} cluster meet {2}:{3} is fail, 报错信息为{4}".format(
redis_ins_one_ip, redis_ins_one_port, redis_ins_one_by_one_ip, redis_ins_one_port_port,
_exex_command[1]))
except Exception as e:
logger.error("Redis Cluster 启动失败,涉及节点为{0},报错信息为{1}".format(self.cluster_list, e))
def get_cluster_info(self):
"""
获取cluster nodes信息,用于后续的主从关系添加
/opt/repoll/redis/src/redis-cli -c -h {0} -p {1} cluster nodes
:return: 所有节点的node id及ip对应关系
"""
node_dict = {}
redis_cluster_ip_port = self.cluster_list[0]
_comm_line = get_redis_server_cli(redis_type="Redis-Cluster", host_ip=redis_cluster_ip_port['redis_master'][0],
host_port=redis_cluster_ip_port['redis_master'][1],
pass_word=self.redis_pass_word) + " cluster nodes "
_comm_result = do_command(host=redis_cluster_ip_port['redis_master'][0], commands=_comm_line)
if _comm_result[0] == 0:
_comm_result_list = _comm_result[1].decode('unicode-escape')
_comm_result_list = _comm_result_list.split("\n")
node_dict = {one_line.split()[1]: one_line.split()[0] for one_line in _comm_result_list if one_line}
if node_dict:
return node_dict
else:
return None
def add_slot_2_master(self, cluster_node_info):
"""
给主节点添加slot,并完成主从节点关系
:param cluster_node_info: 入参为所有节点的node id和ip对应关系
:return:
"""
# _slots = ["{0..5461}", "{5462..10922}", "{10923..16383}"]
master_num = len(self.cluster_list)
_slots = split_integer(16383, master_num)
slot_split = slot_split_part(_slots)
num = 0
try:
for redis_ip_port in self.cluster_list:
redis_master_ip = redis_ip_port['redis_master']
if self.redis_pass_word:
_get_redis_master_server_cli = get_redis_server_cli(redis_type="Redis-Cluster",
host_ip=redis_master_ip[0],
host_port=redis_master_ip[1],
pass_word=self.redis_pass_word)
else:
_get_redis_master_server_cli = get_redis_server_cli(redis_type="Redis-Cluster",
host_ip=redis_master_ip[0],
host_port=redis_master_ip[1])
_add_slot_comm_line = _get_redis_master_server_cli + "cluster addslots {0}{1}{2}".format("{",
slot_split[num],
"}")
logger.info(f"集群创建啊命令为{_add_slot_comm_line}")
_ex_addslots_command = do_command(host=redis_master_ip[0],
commands=_add_slot_comm_line)
if _ex_addslots_command[0] == 0:
logger.info("add slot 成功,命令行命令为{0}".format(_add_slot_comm_line))
else:
logger.error("add slot 失败,报错为{0}".format(_ex_addslots_command[1]))
for redis_slave_ip in redis_ip_port['redis_slave']:
if self.redis_pass_word:
_get_redis_slave_server_cli = get_redis_server_cli(redis_type="Redis-Cluster",
host_ip=redis_slave_ip[0],
host_port=redis_slave_ip[1],
pass_word=self.redis_pass_word)
else:
_get_redis_slave_server_cli = get_redis_server_cli(redis_type="Redis-Cluster",
host_ip=redis_slave_ip[0],
host_port=redis_slave_ip[1])
_add_master_replca_comm_line = _get_redis_slave_server_cli + " cluster replicate {0}".format(
cluster_node_info['{0}:{1}'.format(redis_master_ip[0], redis_master_ip[1])]
)
logger.info(_add_master_replca_comm_line)
_ex_cluster_replicate = do_command(host=redis_slave_ip[0],
commands=_add_master_replca_comm_line)
if _ex_cluster_replicate[0] == 0:
logger.info("add replicate 成功")
else:
logger.error("add replicate 失败,报错为{0}".format(_ex_cluster_replicate[1]))
num += 1
except IOError as e:
return False
return True
class ApproveRedis:
"""
审批Redis并写入待上线列表中。
"""
def __init__(self, request, asset_id):
self.request = request
self.asset_id = asset_id
self.new_asset = RedisApply.objects.get(id=asset_id)
def create_asset(self):
"""
创建Redis实例并上线,利用request.user自动获取当前管理人员的信息,作为审批人添加到Redis实例数据中。
:return:
"""
try:
if not RedisIns.objects.filter(redis_ins_name=self.new_asset.apply_ins_name):
asset = RedisIns.objects.create(redis_ins_name=self.new_asset.apply_ins_name,
ins_disc=self.new_asset.ins_disc,
redis_type=self.new_asset.redis_type,
redis_mem=self.new_asset.redis_mem,
sys_author=self.new_asset.sys_author,
area=self.new_asset.area,
pub_date=self.new_asset.pub_date,
approval_user=self.request.user,
ins_status=RedisIns.ins_choice[3][0]
)
else:
return False
except ValueError as e:
return e
return asset
def deny_create(self):
"""
Redis审批拒绝,设置拒绝标志位
:return:
"""
try:
if not RedisIns.objects.filter(redis_ins_name=self.new_asset.apply_ins_name):
asset = RedisIns.objects.create(redis_ins_name=self.new_asset.apply_ins_name,
ins_disc=self.new_asset.ins_disc,
redis_type=self.new_asset.redis_type,
redis_mem=self.new_asset.redis_mem,
sys_author=self.new_asset.sys_author,
area=self.new_asset.area,
pub_date=self.new_asset.pub_date,
approval_user=self.request.user,
ins_status=RedisIns.ins_choice[4][0]
)
if RedisIns.objects.filter(redis_ins_name=self.new_asset.apply_ins_name).values('ins_status') == 0:
RedisApply.objects.filter(redis_ins_name=self.new_asset.apply_ins_name).update(
apply_status=RedisApply.status_choice[2][0]
)
else:
return False
except ValueError as e:
return e
return asset
def redis_apply_status_update(self, statu):
"""
更新审批状态
:param statu: 3为已审批, 4为已拒绝
:return:
"""
RedisApply.objects.filter(id=self.asset_id).update(apply_status=statu)
ApplyRedisInfo.objects.filter(apply_ins_name=self.new_asset.apply_ins_name).update(apply_status=statu)
return True
@property
def redis_ins_name(self):
"""
返回redis实例名称