dbm-center 是整个 dbm 的核心，dba 、dev 向 dbm-cneter 提任务，dbm-agent 收到任务后会去执行任务，在任务完成后通知 dbm-center 任务完成(或失败)。
1、 dbm-center 是一个由 django 开发的网站，生产环境上我们推荐使用 uwsgi + nginx 的组合来启动 web 服务
2、 开发环境可以直接这样启动
# 进入到 dbm-center 的项目目录
cd dbm-center
# 表定义
python3 manage.py makemigrations hosts
Migrations for 'hosts':
apps/hosts/migrations/0001_initial.py
- Create model HostModel
- Create model NetIOCounterModel
- Create model NetInterfaceModel
- Create model MemoryDistriModel
- Create model DiskUsageModel
- Create model DiskIOCounterModel
- Create model CpuTimesModel
- Create model CpuFrequencyModel
# 把表的定义应用到数据库(建库、建表)
python3 manage.py migrate
Operations to perform:
Apply all migrations: admin, auth, contenttypes, hosts, sessions
Running migrations:
Applying contenttypes.0001_initial... OK
Applying auth.0001_initial... OK
Applying admin.0001_initial... OK
Applying admin.0002_logentry_remove_auto_add... OK
Applying admin.0003_logentry_add_action_flag_choices... OK
Applying contenttypes.0002_remove_content_type_name... OK
Applying auth.0002_alter_permission_name_max_length... OK
Applying auth.0003_alter_user_email_max_length... OK
Applying auth.0004_alter_user_username_opts... OK
Applying auth.0005_alter_user_last_login_null... OK
Applying auth.0006_require_contenttypes_0002... OK
Applying auth.0007_alter_validators_add_error_messages... OK
Applying auth.0008_alter_user_username_max_length... OK
Applying auth.0009_alter_user_last_name_max_length... OK
Applying auth.0010_alter_group_name_max_length... OK
Applying auth.0011_update_proxy_permissions... OK
Applying hosts.0001_initial... OK
Applying sessions.0001_initial... OK
# 启动 dbm-center 服务
python3 manage.py runserver 172.16.192.1:8080
Performing system checks...
System check identified no issues (0 silenced).
October 03, 2019 - 21:03:41
Django version 2.2.6, using settings 'dbmc.settings'
Starting development server at http://172.16.192.1:8080/
Quit the server with CONTROL-C.启动失败的常见问题
1、 没有配置好 django 环境
2、 没有配置好 dbm-center 用到的后端 mysql 服务，默认情况下 dbm-center 使用如下方式连接它用的 MySQL 服务器
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'dbm',
'HOST': '127.0.0.1',
'PORT': 3306,
'USER': 'dbmuser',
'PASSWORD': 'Dirac' # 他给出的狄拉克方程可以描述费米子的物理行为，解释了粒子的自旋，并且首先预测了反粒子的存在
}
}
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