feat: 添加组件监控;TerminalModel添加type字段; (#5206)

* feat: 添加组件监控;TerminalModel添加type字段;

* feat: Terminal序列类添加type字段

* feat: Terminal序列类添加type字段为只读

* feat: 修改组件status文案

* feat: 取消上传组件状态序列类count字段

* reactor: 修改termina/models目录结构

* feat: 修改ComponentTypeChoices

* feat: 取消考虑CoreComponent类型

* feat: 修改Terminal status判断逻辑

* feat: 终端列表添加status过滤; 组件状态序列类添加default值

* feat: 添加PrometheusMetricsAPI

* feat: 修改PrometheusMetricsAPI

Co-authored-by: Bai <bugatti_it@163.com>

apps/terminal/serializers/__init__.py

@@ -4,3 +4,4 @@ from .terminal import *
 from .session import *
 from .storage import *
 from .command import *
+from .components import *

apps/terminal/serializers/components.py

@@ -0,0 +1,25 @@
+
+from rest_framework import serializers
+from django.utils.translation import ugettext_lazy as _
+
+
+class ComponentsStateSerializer(serializers.Serializer):
+    # system
+    system_cpu_load_1 = serializers.FloatField(
+        required=False, default=0, label=_("System cpu load 1 minutes")
+    )
+    system_memory_used_percent = serializers.FloatField(
+        required=False, default=0, label=_('System memory used percent')
+    )
+    system_disk_used_percent = serializers.FloatField(
+        required=False, default=0, label=_('System disk used percent')
+    )
+    # sessions
+    session_active_count = serializers.IntegerField(
+        required=False, default=0, label=_("Session active count")
+    )
+
+    def save(self, **kwargs):
+        request = self.context['request']
+        terminal = request.user.terminal
+        terminal.state = self.validated_data

apps/terminal/serializers/terminal.py

@@ -6,19 +6,25 @@ from common.utils import is_uuid
 from ..models import (
     Terminal, Status, Session, Task, CommandStorage, ReplayStorage
 )
+from .components import ComponentsStateSerializer
 
 
 class TerminalSerializer(BulkModelSerializer):
     session_online = serializers.SerializerMethodField()
     is_alive = serializers.BooleanField(read_only=True)
+    status = serializers.CharField(read_only=True)
+    status_display = serializers.CharField(read_only=True)
+    state = ComponentsStateSerializer(read_only=True)
 
     class Meta:
         model = Terminal
         fields = [
-            'id', 'name', 'remote_addr', 'http_port', 'ssh_port',
+            'id', 'name', 'type', 'remote_addr', 'http_port', 'ssh_port',
             'comment', 'is_accepted', "is_active", 'session_online',
-            'is_alive', 'date_created', 'command_storage', 'replay_storage'
+            'is_alive', 'date_created', 'command_storage', 'replay_storage',
+            'status', 'status_display', 'state'
         ]
+        read_only_fields = ['type', 'date_created']
 
     @staticmethod
     def get_kwargs_may_be_uuid(value):