build: Grafana + Prometheus + nodeexporter를 통한 리소스 모니터링

backend/requirements.txt

@@ -14,6 +14,8 @@ django-debug-toolbar==4.2.0
 django-environ==0.11.2
 djangorestframework==3.14.0
 djangorestframework-simplejwt==5.3.1
+django-prometheus==2.3.1
+prometheus_client==0.20.0
 drf-yasg==1.21.7
 hvac==2.1.0
 idna==3.6

backend/src/settings.py

@@ -186,6 +186,7 @@ def wait_for_vault_client(client, retries=5, delay=5):
     'allauth.account',
     'allauth.socialaccount',
     'allauth.socialaccount.providers.google',
+    'django_prometheus',
 ]
 
 ELASTICSEARCH_DSL = {
@@ -199,6 +200,7 @@ def wait_for_vault_client(client, retries=5, delay=5):
 REST_USE_JWT = True
 
 MIDDLEWARE = [
+    'django_prometheus.middleware.PrometheusBeforeMiddleware',
     'corsheaders.middleware.CorsMiddleware',
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
@@ -208,6 +210,7 @@ def wait_for_vault_client(client, retries=5, delay=5):
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'django_prometheus.middleware.PrometheusAfterMiddleware',
 ]
 
 ROOT_URLCONF = 'src.urls'

backend/src/urls.py

@@ -1,19 +1,3 @@
-"""
-URL configuration for src project.
-
-The `urlpatterns` list routes URLs to views. For more information please see:
-    https://docs.djangoproject.com/en/4.2/topics/http/urls/
-Examples:
-Function views
-    1. Add an import:  from my_app import views
-    2. Add a URL to urlpatterns:  path('', views.home, name='home')
-Class-based views
-    1. Add an import:  from other_app.views import Home
-    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
-Including another URLconf
-    1. Import the include() function: from django.urls import include, path
-    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
-"""
 from django.contrib import admin
 from django.urls import include, path, re_path
 from django.conf import settings
@@ -40,6 +24,7 @@
     path('api/', include('api.urls')),
     re_path(r'^redoc/$', schema_view.with_ui('redoc',
             cache_timeout=0), name='schema-redoc'),
+    path('', include('django_prometheus.urls')),
 ]
 
 # DEBUG 모드일 경우, ui 없이 swagger view를 사용할 수 있도록 설정

docker-compose.yml

@@ -140,6 +140,59 @@ services:
   #   networks:
   #     - app_network
 
+  # node_exporter:
+  #   image: prom/node-exporter
+  #   container_name: node_exporter_container
+  #   ports:
+  #     - 9100:9100
+  #   volumes:
+  #     - "/proc:/host/proc"
+  #     - "/sys:/host/sys"
+  #     - "/:/rootfs"
+  #     - "/etc:/host/etc:ro"
+  #     - "${CERTS_PATH}:/etc/ssl/certs"
+  #     - "${PROMETHEUS_CONFIG}:/etc/node_exporter"
+  #   command:
+  #     - '--path.procfs=/host/proc'
+  #     - '--path.sysfs=/host/sys'
+  #     - '--path.rootfs=/rootfs'
+  #     - '--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|host|etc)($$|/)'
+  #     - '--web.config.file=/etc/node_exporter/web.yml'
+  #   networks:
+  #     - app_network
+
+  # prometheus:
+  #   build:
+  #     context: ./prometheus
+  #     dockerfile: Dockerfile
+  #   container_name: prometheus_container
+  #   env_file:
+  #     - .env
+  #   volumes:
+  #     - "${PROMETHEUS_DATA}:/prometheus/data"
+  #     - "${PROMETHEUS_CONFIG}:/prometheus/config"
+  #     - "${CERTS_PATH}:/etc/ssl/certs"
+  #   ports:
+  #     - 9090:9090
+  #   networks:
+  #     - app_network
+
+  # grafana:
+  #   build:
+  #     context: ./grafana
+  #     dockerfile: Dockerfile
+  #   container_name: grafana_container
+  #   env_file:
+  #     - .env
+  #   volumes:
+  #     - "${GRAFANA_DATA}:/var/lib/grafana"
+  #     - "${GRAFANA_CONFIG}:/etc/grafana/grafana.ini"
+  #     - "${CERTS_PATH}:/etc/ssl/certs"
+  #   ports:
+  #     - 3000:3000
+  #   networks:
+  #     - app_network
+
 volumes:
   static-volume:
   cert-volume:

grafana/Dockerfile

@@ -0,0 +1 @@
+FROM grafana/grafana:latest

nginx/Dockerfile

@@ -38,7 +38,7 @@ RUN chmod +x /usr/local/bin/mkcert
 
 RUN mkcert -install
 RUN mkdir -p /etc/nginx/certs
-RUN mkcert -key-file /etc/nginx/certs/server.key -cert-file /etc/nginx/certs/server.crt "hashicorp_vault" localhost 127.0.0.1 ::1
+RUN mkcert -key-file /etc/nginx/certs/server.key -cert-file /etc/nginx/certs/server.crt "hashicorp_vault" "django_node_app" "prometheus" "grafana" "alertmanager" localhost 127.0.0.1 ::1
 
 # Nginx 설정 파일 복사 및 모듈 로드
 COPY ./config/nginx.conf /etc/nginx/nginx.conf

prometheus/Dockerfile

@@ -0,0 +1,4 @@
+FROM prom/prometheus:latest
+
+
+CMD ["--config.file=/prometheus/config/prometheus.yml", "--web.config.file=/prometheus/config/web.yml", "--web.enable-lifecycle"]