File size: 7,051 Bytes
3a5cf48 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 | import json
import threading
import queue
import time
import traceback
from typing import List, Dict, Callable, Any, Union
from mod.base.ssh_executor import SSHExecutor
from mod.project.node.dbutil import ServerNodeDB, CommandTask, CommandLog, TaskFlowsDB
class CMDTask(object):
def __init__(self, task: Union[int, CommandTask], log_id: int, call_update: Callable[[Any], None], exclude_nodes: List[int] = None):
self._edb = TaskFlowsDB()
if isinstance(task, int):
self.task = self._edb.CommandTask.find("id = ?", (task,))
elif isinstance(task, CommandTask):
self.task = task
else:
raise ValueError("task 参数错误")
if not self.task:
raise RuntimeError("指定任务不存在")
if log_id == 0:
self.task.elogs = self._edb.CommandLog.query("command_task_id = ? ", (self.task.id,))
else:
self.task.elogs = [self._edb.CommandLog.find("command_task_id = ? AND id = ?", (self.task.id, log_id))]
if not self.task.elogs:
raise RuntimeError("任务无执行条目")
self._exclude_nodes = exclude_nodes or []
self.task.elogs = [x for x in self.task.elogs if x.server_id not in self._exclude_nodes]
self.task.status = 1
self._edb.CommandTask.update(self.task)
self.end_queue = queue.Queue()
self.end_status = False
self.status: List[Dict] = []
self.call_update = call_update
self.status_dict: Dict[str, Union[List[Any], int]] = {
"task_id": self.task.id,
"task_type": "command",
"flow_idx": self.task.step_index -1,
"count": len(self.task.elogs),
"complete": 0,
"error": 0,
"exclude_nodes": self._exclude_nodes,
"error_nodes": [],
"data": [],
}
def end_func(self):
edb = TaskFlowsDB()
tmp_dict: Dict[int, CommandLog] = {}
last_time = time.time()
update_fields=("status",)
complete_set, error_set = set(), set()
while True:
try:
elog: CommandLog = self.end_queue.get(timeout=0.1)
except queue.Empty:
if self.end_status:
break
else:
continue
except Exception as e:
print(e)
break
if elog.status in (3, 4):
error_set.add(elog.id)
self.status_dict["error_nodes"].append(int(elog.server_id))
self.status_dict["error"] = len(error_set)
elif elog.status == 2:
complete_set.add(elog.id)
self.status_dict["complete"] = len(complete_set)
tmp_dict[elog.id] = elog
if time.time() - last_time > 0.5:
edb.CommandLog.bath_update(tmp_dict.values(), update_fields=update_fields)
self.status_dict["data"] = [ l.to_show_data() for l in tmp_dict.values()]
self.call_update(self.status_dict)
tmp_dict.clear()
if tmp_dict:
edb.CommandLog.bath_update(tmp_dict.values(), update_fields=update_fields)
self.status_dict["data"] = [ l.to_show_data() for l in tmp_dict.values()]
self.call_update(self.status_dict)
return
def start(self):
thread_list = []
s_db = ServerNodeDB()
end_th = threading.Thread(target=self.end_func)
end_th.start()
for (idx, log) in enumerate(self.task.elogs):
log.log_idx = idx
if log.status == 2: # 跳过已完成的
self.end_queue.put(log)
continue
log.status = 1
ssh_conf = None
node = s_db.get_node_by_id(log.server_id)
if not node:
log.status = 3
log.write_log("节点数据丢失，无法执行\n")
else:
ssh_conf = json.loads(node["ssh_conf"])
if not ssh_conf:
log.status = 3
log.write_log("节点ssh配置数据丢失，无法执行\n")
self.end_queue.put(log)
if not ssh_conf:
continue
thread = threading.Thread(target=self.run_one, args=(ssh_conf, log))
thread.start()
thread_list.append(thread)
for i in thread_list:
i.join()
self.end_status = True
end_th.join()
if self.status_dict["error"] > 0:
self.task.status = 3
else:
self.task.status = 2
self._edb.CommandTask.update(self.task)
self._edb.close()
def run_one(self, ssh_conf: dict, elog: CommandLog):
ssh = SSHExecutor(
host=ssh_conf["host"],
port=ssh_conf["port"],
username=ssh_conf["username"],
password=ssh_conf["password"],
key_data=ssh_conf["pkey"],
passphrase=ssh_conf["pkey_passwd"])
elog.write_log("开始执行任务\n开始建立ssh连接...\n")
try:
ssh.open()
def on_stdout(data):
if isinstance(data, bytes):
data = data.decode()
elog.write_log(data)
elog.write_log("开始执行脚本...\n\n")
t = time.time()
res_code = ssh.execute_script_streaming(
script_content=self.task.script_content,
script_type=self.task.script_type,
timeout=60*60,
on_stdout=on_stdout,
on_stderr=on_stdout
)
take_time = round((time.time() - t)* 1000, 2)
elog.write_log("\n\n执行结束，耗时[{}ms]\n".format(take_time))
if res_code == 0:
elog.status = 2
elog.write_log("任务完成\n", is_end_log=True)
else:
elog.status = 4
elog.write_log("任务异常，返回状态码为：{}\n".format(res_code), is_end_log=True)
self.end_queue.put(elog)
except Exception as e:
traceback.print_exc()
elog.status = 3
elog.write_log("\n任务失败，错误：" + str(e), is_end_log=True)
self.end_queue.put(elog)
return
# 同步执行命令相关任务的重试
def command_task_run_sync(task_id: int, log_id: int) -> Union[str, Dict[str, Any]]:
fdb = TaskFlowsDB()
task = fdb.CommandTask.get_byid(task_id)
if not task:
return "任务不存在"
log = fdb.CommandLog.get_byid(log_id)
if not log:
return "子任务不存在"
if log.status not in (3, 4):
return "子任务状态不为失败，无法重试"
if log.command_task_id != task_id:
return "子任务不属于该任务，无法重试"
cmd_task = CMDTask(task, log_id=log_id, call_update=print)
cmd_task.start()
return cmd_task.status_dict
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