这篇文章主要讲解了“怎么用python+Element实现主机Host操作”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“怎么用python+Element实现主机Host操作”吧！
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<%inherit file="/base.html"/>
<div id="app">
<div class="col-md-10 col-md-offset-1" >
<div class="container-fluid mb0 " >
<div class="row">
<div class="col-md-4">
<form class="form-horizontal">
<div class="form-group clearfix ">
<label class="col-sm-4 control-label bk-lh40 pt0">选择业务：</label>
<div class="col-sm-8">
<el-select v-model="searchBiz" placeholder="请选择业务名称" @change="changeBiz">
<el-option v-for="item in bkBizData" :label="item.bk_biz_name" :value="item.bk_biz_id"></el-option>
</el-select>
</div>
</div>
</form>
</div>
<div class="col-md-6">
<form class="form-horizontal">
<div class="form-group clearfix ">
<label class="col-sm-4 control-label bk-lh40 pt0">请输入主机IP：</label>
<div class="col-sm-8">
<el-input v-model="searchHostIp" placeholder="请输入主机IP" ></el-input>
</div>
</div>
</form>
</div>
<div class="col-md-2">
<form class="form-horizontal">
<div class="form-group clearfix ">
<div class="col-sm-8">
<el-button type="primary" @click="getSearch">搜索</el-button>
</div>
</div>
</form>
</div>
</div>
</div>
<el-table :data="hostData" border >
<el-table-column prop="ip" label="内网IP"></el-table-column>
<el-table-column prop="bk_os_name" label="系统名"></el-table-column>
<el-table-column prop="host_name" label="主机名"></el-table-column>
<el-table-column prop="cloud_name" label="云区域"></el-table-column>
<el-table-column prop="mem_use" label="Mem(%)"></el-table-column>
<el-table-column prop="disk_use" label="Disk(%)"></el-table-column>
<el-table-column prop="cpu_use" label="CPU(%)"></el-table-column>
<el-table-column label="操作" width="300%">
<template slot-scope="scope">
<el-button :type='scope.row.is_monitored ? "primary":"success"' size="small" @click="editHost(scope.row)">{{ scope.row.is_monitored ? "移除监控":"加入监控" }}</el-button>
<el-button type="warning" size="small" @click="getPerformData(scope.row)">查看性能</el-button>
<el-button type="danger" size="small" @click="getStatus(scope.row)">查看状态</el-button>
</template>
</el-table-column>
</el-table>
<!-- 设置面板End -->
</div>
</div><script type="text/javascript">
new Vue({
el: '#app',
data: {
bkBizData: [],
hostData: [],
searchBiz:'',
searchHostIp:''
},
mounted() {
// 页面加载就获取所有模板
this.init();
this.getSearch();
},
methods: {
init() {
axios.get(site_url + "get_biz_list/").then(res => {
if (res.data.result){
this.bkBizData = res.data.data;
}else{
this.$message.error('获取业务失败');
}
},'json');
this.getSearch();
},
getSearch() {
axios.get(site_url + "host_view/?search_biz_id=" + this.searchBiz + "&query_str=" + this.searchHostIp).then(res => {
if (res.data.result){
this.hostData = res.data.data;
}else{
this.$message.error('获取模板失败');
}
},'json');
},
changeBiz(){
this.getSearch();
},
editHost(row) {
const tmpText = row.is_monitored ? "主机移除监控队列, 是否继续?" : "主机加入监控队列, 是否继续?";
this.$confirm(tmpText, '提示', {
confirmButtonText: '确定',
cancelButtonText: '取消',
type: 'warning'
}).then(() => {
axios.post(site_url + "host_view/", {"host_id": row.host_id,"is_monitored": row.is_monitored}).then(res => {
if (res.data.result) {
if(row.is_monitored){
this.$message.success('主机移除监控队列成功');
} else {
this.$message.warning('主机加入监控队列成功');
}
this.getSearch();
} else {
this.$message.error('更新主机监控状态失败');
}
}, 'json');
}).catch(() => {
this.$message({type: 'info', message: '已取消删除'});
});
},
getPerformData(row) {
this.$confirm("是否查询系统资源使用情况？", '提示', {
confirmButtonText: '确定',
cancelButtonText: '取消',
type: 'warning'
}).then(() => {
const params = {
"host_id": row.host_id,
"bk_biz_id": row.bk_biz_id,
"ip": row.ip,
"cloud_id": row.cloud_id,
};
axios.post(site_url + "get_perform_data/", params).then(res => {
if (res.data.result) {
row.mem_use = res.data.data.mem;
row.cpu_use = res.data.data.cpu;
row.disk_use = res.data.data.disk;
} else {
this.$message.error('查询主机系统资源使用情况失败');
}
}, 'json');
}).catch(() => {
this.$message({type: 'info', message: '已取消查询'});
});
},
getStatus(row) {
location.href = site_url + 'status/'
}
}
})
</script>urls.py文件内容
from django.conf.urls import patterns
from home_application.temp import views as temp_view
from home_application.job import views as job_view
from home_application.host import views as host_view
from home_application.exam import views as exam_view
urlpatterns = patterns(
'home_application.views',
(r'^$', job_view.job),
(r'^dev-guide/$', 'dev_guide'),
(r'^contactus/$', 'contactus'),
(r'^api/test/$', 'test'),
(r'^temp/$', 'temp'),
(r'^host/$', host_view.host),
(r'^status/$', host_view.status),
(r'^host_view/$', host_view.HostView.as_view()),
(r'^get_all_hosts/$', host_view.get_all_hosts),
(r'^get_perform_data/$', host_view.get_perform_data),
...
)host\views.py文件内容
import json
from django.views.generic import View
from django.views.decorators.csrf import csrf_exempt
from django.utils.decorators import method_decorator
from django.http import JsonResponse
from common.mymako import render_mako_context
from home_application.models import Host, LoadData
from home_application.utils.job_api import FastJobApi
perform_script = """
#!/bin/bash
MEMORY=$(free -m | awk 'NR==2{printf "%.2f%%",$3*100/$2}')
DISK=$(df -h| awk '$NF=="/"{printf "%s",$5}')
CPU=$(top -bn1 | grep load | awk '{printf "%.2f%%",$(NF-2)}')
DATE=$(date "+%Y-%m-%d %H:%M:%S")
echo -e "$DATE|$MEMORY|$DISK|$CPU"
"""
def host(request):
return render_mako_context(request, '/home_application/host.html')
def status(request):
return render_mako_context(request, "/home_application/status.html")
class CsrfExemptView(View):
@method_decorator(csrf_exempt)
def dispatch(self, request, *args, **kwargs):
return super(CsrfExemptView, self).dispatch(request, *args, **kwargs)
def get_all_hosts(request):
from home_application.utils.cc_by_request import cc_search_host
res_data = cc_search_host().get("info")
for host in res_data:
bk_host_innerip = host.get("host", {}).get("bk_host_innerip")
bk_host_id = host.get("host", {}).get("bk_host_id")
bk_host_name = host.get("host", {}).get("bk_host_name")
bk_os_name = host.get("host", {}).get("bk_os_name")
bk_biz_id = host.get("biz", [])[0].get("bk_biz_id")
bk_biz_name = host.get("biz", [])[0].get("bk_biz_name")
cloud_name = host.get("host", {}).get("bk_cloud_id")[0].get("bk_inst_name")
cloud_id = host.get("host", {}).get("bk_cloud_id")[0].get("bk_inst_id")
host_obj = {
"ip": bk_host_innerip,
"bk_biz_id": bk_biz_id,
"os_name": bk_os_name,
"host_name": bk_host_name,
"bk_biz_name": bk_biz_name,
"cloud_id": cloud_id,
"cloud_name": cloud_name,
}
Host.objects.update_or_create(host_id=bk_host_id, defaults=host_obj)
return JsonResponse({"result": res_data})
@csrf_exempt
def get_perform_data(request):
data = json.loads(request.body)
host_id = data.get("host_id")
try:
obj = LoadData.objects.filter(host_id=host_id).last()
if obj:
res_data = {
"cpu": obj.cpu,
"mem": obj.mem,
"disk": obj.disk,
}
return JsonResponse({"result": True, "data": res_data})
bk_biz_id = int(data.get("bk_biz_id"))
ip = data.get("ip")
cloud_id = data.get("cloud_id")
# res_data = execute_script_and_return(request,ip_list, bk_biz_id, perform_script)
obj = FastJobApi(bk_biz_id, cloud_id, ip, perform_script)
job_res = obj.execute_script_and_return()
if job_res:
log_content = job_res[0].get("log_content")
res_data = {
"result": True,
"cpu": log_content.split("|")[3],
"mem": log_content.split("|")[1],
"disk": log_content.split("|")[2],
}
return JsonResponse({"result": True, "data": res_data})
return JsonResponse({"result": False})
except Exception:
return JsonResponse({"result": False})
class HostView(CsrfExemptView):
def get(self, request, *args, **kwargs):
try:
host_query = Host.objects.all()
except Exception:
return JsonResponse({"result": False})
search_biz_id = request.GET.get("search_biz_id")
query_str = request.GET.get("query_str")
if search_biz_id:
host_query = host_query.filter(bk_biz_id=search_biz_id)
if query_str:
host_query = host_query.filter(ip__in=query_str.split(","))
host_query = host_query[:30] if host_query.count() > 10 else host_query
res_data = [i.to_dict() for i in host_query]
return JsonResponse({"result": True, "data": res_data})
def post(self, request, *args, **kwargs):
try:
data = json.loads(request.body)
host_id = data.get("host_id")
is_monitored = data.get("is_monitored")
if is_monitored:
Host.objects.filter(host_id=host_id).update(is_monitored=False)
else:
Host.objects.filter(host_id=host_id).update(is_monitored=True)
return JsonResponse({"result": True})
except Exception:
return JsonResponse({"result": False})models.py文件内容
from django.db import models
from home_application.utils.parse_time import parse_datetime_to_timestr
class Host(models.Model):
host_id = models.IntegerField(u"主机ID", primary_key=True, unique=True)
ip = models.CharField(u"IP地址", max_length=32, blank=True, null=True)
bk_biz_id = models.CharField(u"业务ID", max_length=16, blank=True, null=True)
bk_biz_name = models.CharField(u"业务名称", max_length=512, blank=True, null=True)
os_name = models.CharField(u"系统名", max_length=128, blank=True, null=True)
host_name = models.CharField(u"主机名", max_length=128, blank=True, null=True)
cloud_id = models.IntegerField(u"云区域ID", blank=True, null=True)
cloud_name = models.CharField(u"云区域名称", max_length=32, blank=True, null=True)
is_monitored = models.BooleanField(u"是否已监控", default=False)
def to_dict(self):
return {
"host_id": self.host_id,
"ip": self.ip,
"pk": self.pk,
"bk_biz_id": self.bk_biz_id,
"bk_biz_name": self.bk_biz_name,
"os_name": self.os_name,
"host_name": self.host_name,
"cloud_name": self.cloud_name,
"cloud_id": self.cloud_id,
"is_monitored": self.is_monitored,
"mem_use": "-",
"cpu_use": "-",
"disk_use": "-",
}
def get_load_data(self):
load_query = LoadData.objects.filter(host_id=self.pk).order_by("create_time")
return [i.to_dict() for i in load_query]
class LoadData(models.Model):
host_id = models.IntegerField(u"主机ID", default=0)
cpu = models.IntegerField(u"CPU使用率", default=0)
mem = models.IntegerField(u"内存使用率", default=0)
disk = models.IntegerField(u"硬盘使用率", default=0)
create_time = models.DateTimeField(u"创建时间", auto_now_add=True)
def to_dict(self):
return {
"host_id": self.host_id,
"cpu": self.cpu,
"mem": self.mem,
"disk": self.disk,
"create_time": parse_datetime_to_timestr(self.create_time)
}FastJobApi部分代码
import base64
import time
from conf.default import APP_ID, APP_TOKEN
from blueking.component.shortcuts import get_client_by_user, get_client_by_request
count = 0
class FastJobApi(object):
def __init__(self, bk_biz_id, bk_cloud_id, ip_list, script_content):
self.client = get_client_by_user('admin')
self.username = "admin"
self.biz_id = bk_biz_id
self.script_content = script_content
self.ip_list = [{"bk_cloud_id": bk_cloud_id, "ip": i} for i in ip_list.split(",")]
def _fast_execute_script(self, execute_account="root", param_content='', script_timeout=1000):
"""
快速执行脚本
:param execute_account: 执行脚本的账户名
:param param_content: 执行脚本的参数
:param script_timeout: 脚本执行超时时间
:return: job_instance_id
"""
kwargs = {
"bk_app_code": APP_ID,
"bk_app_secret": APP_TOKEN,
"bk_biz_id": self.biz_id,
"bk_username": self.username,
"script_content": base64.b64encode(self.script_content),
"ip_list": self.ip_list,
"script_type": 1,
"account": execute_account,
"script_param": base64.b64encode(param_content),
"script_timeout": script_timeout
}
result = self.client.job.fast_execute_script(kwargs)
if result["result"]:
return result.get("data").get("job_instance_id")
return False
def _get_job_instance_status(self, task_id):
"""
获取脚本执行状态
:param task_id: 执行脚本的 job_instance_id
:return:
"""
global count
count += 1
# 查询执行状态
resp = self.client.job.get_job_instance_status(
bk_username=self.username,
bk_biz_id=self.biz_id,
job_instance_id=task_id
)
if resp.get('data').get('is_finished'):
count = 0
return True
elif not resp.get('data').get('is_finished') and count <= 5:
time.sleep(2)
return self._get_job_instance_status(task_id)
else:
count = 0
return False
def _get_job_instance_log(self, task_id):
"""
查询作业日志
:param task_id: 执行脚本的 job_instance_id
:return:
"""
if self._get_job_instance_status(task_id):
resp = self.client.job.get_job_instance_log(
job_instance_id=task_id,
bk_biz_id=self.biz_id,
bk_username='admin'
)
return resp['data'][0]['step_results'][0]['ip_logs']
def execute_script_and_return(self):
"""
执行脚本并获取脚本执行结果
:return: 脚本执行结果
"""
job_instance_id = self._fast_execute_script()
if job_instance_id:
ip_logs = self._get_job_instance_log(job_instance_id)
return ip_logs实现效果
感谢各位的阅读，以上就是“怎么用python+Element实现主机Host操作”的内容了，经过本文的学习后，相信大家对怎么用python+Element实现主机Host操作这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是亿速云，小编将为大家推送更多相关知识点的文章，欢迎关注！
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原文链接：https://my.oschina.net/renpingsheng/blog/3119335
