Feature/monitor

.env.schema

@@ -2,4 +2,6 @@ SSH_KEY_NAME=
 DIGITAL_OCEAN_TOKEN=
 DOCKER_USERNAME=
 POSTGRES_USERNAME=
-POSTGRES_PASSWORD=
+POSTGRES_PASSWORD=
+GRAFANA_USERNAME=
+GRAFANA_PASSWORD=

Vagrantfile

@@ -22,7 +22,9 @@ Vagrant.configure("2") do |config|
     server.vm.hostname = "webserver"
     server.vm.provision "shell", inline: 'echo "export DOCKER_USERNAME=' + "'" + ENV["DOCKER_USERNAME"] + "'" + '" >> ~/.bash_profile'
     server.vm.provision "shell", inline: 'echo "export POSTGRES_USERNAME=' + "'" + ENV["POSTGRES_USERNAME"] + "'" + '" >> ~/.bash_profile'
-    server.vm.provision "shell", inline: 'echo "export POSTGRES_PASSWORD=' + "'" + ENV["POSTGRES_PASSWORD"] + "'" + '" >> ~/.bash_profile'
+    server.vm.provision "shell", inline: 'echo "export POSTGRES_PASSWORD=' + "'" + ENV["POSTGRES_PASSWORD"] + "'" + '" >> ~/.bash_profile'    
+    server.vm.provision "shell", inline: 'echo "export GRAFANA_USERNAME=' + "'" + ENV["GRAFANA_USERNAME"] + "'" + '" >> ~/.bash_profile'
+    server.vm.provision "shell", inline: 'echo "export GRAFANA_PASSWORD=' + "'" + ENV["GRAFANA_PASSWORD"] + "'" + '" >> ~/.bash_profile'
     server.vm.provision "shell", inline: <<-SHELL
       sudo apt-get -y install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
       cd /vagrant

controllers/messageController.go

@@ -15,6 +15,7 @@ import (
 
 func AddMessageHandler() gin.HandlerFunc {
 	return func(c *gin.Context) {
+		helpers.TweetsProcessed.Inc()
 		user, err := helpers.GetUserSession(c)
 		if err != nil {
 			c.AbortWithStatus(http.StatusUnauthorized)
@@ -113,7 +114,7 @@ func GetMessageUserHandler() gin.HandlerFunc {
 
 func PostMessageUserHandler() gin.HandlerFunc {
 	return func(c *gin.Context) {
-
+		helpers.TweetsProcessed.Inc()
 		var postMessage simModels.MessageRequest
 
 		// bind JSON body to postMessage

docker-compose.yml

@@ -10,6 +10,7 @@ services:
     container_name: minitwit
     networks:
       - database-network
+      - prometheus-network
     ports:
       - "8080:8080"
     depends_on:
@@ -32,10 +33,65 @@ services:
     volumes:
       - postgres-db:/data/postgres
 
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    networks:
+      - prometheus-network
+      - monitoring
+    ports:
+      - "9090:9090"
+    volumes:
+      - prometheus-data:/prometheus
+      - type: bind
+        source: ./prometheus.yml
+        target: /prometheus/prometheus.yml
+        read_only: true
+    restart: unless-stopped
+    command:
+      - "--config.file=prometheus.yml"
+
+  grafana:
+    image: grafana/grafana-oss:latest
+    container_name: grafana
+    ports:
+      - "3000:3000"
+    environment:
+      GF_SECURITY_ADMIN_USER: ${GRAFANA_USERNAME}
+      GF_SECURITY_ADMIN_PASSWORD: ${GRAFANA_PASSWORD}
+    volumes:
+      - grafana-data:/var/lib/grafana
+      - ./grafana/provisioning/:/etc/grafana/provisioning/
+      - ./grafana/dashboards:/var/lib/grafana/dashboards
+    restart: unless-stopped
+  node_exporter:
+    image: prom/node-exporter:latest
+    container_name: node-exporter
+    restart: unless-stopped
+    volumes:
+      - /proc:/host/proc:ro
+      - /sys:/host/sys:ro
+      - /:/rootfs:ro
+    command:
+      - "--path.procfs=/host/proc"
+      - "--path.rootfs=/rootfs"
+      - "--path.sysfs=/host/sys"
+      - "--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|host|etc)($$|/)"
+    networks:
+      - monitoring
+
 volumes:
   postgres-db:
     driver: local
+  prometheus-data:
+    driver: local
+  grafana-data:
+    driver: local
 
 networks:
   database-network:
     name: database-network
+  prometheus-network:
+    name: prometheus-network
+  monitoring:
+    driver: bridge

go.mod

@@ -5,14 +5,17 @@ go 1.20
 require github.com/gin-gonic/gin v1.9.0
 
 require (
+	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bytedance/sonic v1.8.0 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.11.2 // indirect
 	github.com/goccy/go-json v0.10.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/gorilla/context v1.1.1 // indirect
 	github.com/gorilla/securecookie v1.1.1 // indirect
 	github.com/gorilla/sessions v1.2.1 // indirect
@@ -25,10 +28,14 @@ require (
 	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
 	github.com/leodido/go-urn v1.2.1 // indirect
 	github.com/mattn/go-isatty v0.0.17 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_model v0.3.0 // indirect
+	github.com/prometheus/common v0.37.0 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.9 // indirect
 	golang.org/x/arch v0.0.0-20210923205945-b76863e36670 // indirect
@@ -43,6 +50,7 @@ require (
 	github.com/gin-contrib/sessions v0.0.5
 	github.com/jmoiron/sqlx v1.3.5
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible
+	github.com/prometheus/client_golang v1.14.0
 	github.com/stretchr/testify v1.8.2
 	golang.org/x/crypto v0.7.0
 	gorm.io/driver/postgres v1.5.0