NATS Implementation

.github/images/workflow.drawio

@@ -0,0 +1 @@
+<mxfile host="app.diagrams.net" modified="2022-09-08T16:28:31.515Z" agent="5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.102 Safari/537.36 OPR/90.0.4480.84" etag="My8b3SU4-sWT4oIXG7QN" version="20.3.0" type="device"><diagram id="u6AhT4RWK1xttgYZTLVd" name="Página-1">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</diagram></mxfile>

.github/workflows/database-store-service.yml

@@ -0,0 +1,82 @@
+name: 'database-store-service ci'
+on:
+  push:
+  pull_request:
+    types: [ opened, reopened ]
+jobs:
+  unit-test:
+    strategy:
+      matrix:
+        go-version: [1.17.x]
+        platform: [ubuntu-latest]
+    runs-on: ${{ matrix.platform }}
+    steps:
+
+      - uses: actions/setup-go@v1
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: setup GOPATH into PATH
+        run: |
+          echo "::set-env name=GOPATH::$(go env GOPATH)"
+          echo "::add-path::$(go env GOPATH)/bin"
+        shell: bash
+        env:
+          ACTIONS_ALLOW_UNSECURE_COMMANDS: true          
+
+      - uses: actions/checkout@v2
+
+      - name: Run's Golint
+        working-directory: database-store-service
+        run: |
+            export PATH=$PATH:$(go env GOPATH)/bin
+            go get -u golang.org/x/lint/golint
+            # golint -set_exit_status ./...
+            
+      - name: Install dependencies
+        working-directory: database-store-service
+        run: go get -u 
+
+      - name: Test
+        working-directory: database-store-service
+        run: go test -v
+
+  build-docker-artifacts:
+    needs: [ unit-test ]
+    runs-on: ubuntu-latest
+    if: contains(github.ref, 'main')
+    steps:
+      - uses: actions/setup-go@v1
+        with:
+          go-version: '1.17.x'
+
+      - uses: actions/checkout@v1
+
+      - name: Docker Build
+        working-directory: database-store-service
+        run: docker build -t database-store-service:latest .
+
+      - name: Docker Tag Latest
+        working-directory: database-store-service
+        run: docker tag database-store-service:latest fidelissauro/database-store-service:latest
+
+      - name: Docker Tag Release
+        run: | 
+          TAG=$(git describe --tags --abbrev=0)
+          docker tag database-store-service:latest fidelissauro/database-store-service:$TAG
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD}}
+
+      - name: Docker Push Latest
+        working-directory: database-store-service
+        run: docker push fidelissauro/database-store-service:latest
+
+      - name: Docker Push Release Tag
+        working-directory: database-store-service
+        run: |
+          TAG=$(git describe --tags --abbrev=0)
+          docker push fidelissauro/database-store-service:$TAG
+          

.gitignore

@@ -14,3 +14,5 @@ tmp/*
 tmp
 # Dependency directories (remove the comment below to include it)
 # vendor/
+.tmp/*
+.tmp

database-store-service/Dockerfile

@@ -0,0 +1,21 @@
+FROM golang:1.17 AS builder
+
+WORKDIR $GOPATH/src/database-store-service
+
+COPY . ./
+
+RUN go get -u github.com/swaggo/swag/cmd/swag@v1.6.7
+RUN swag init
+
+RUN go get -u
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main .
+
+
+FROM alpine:3.12.3
+
+COPY --from=builder /go/src/database-store-service/main ./
+COPY --from=builder /go/src/database-store-service/configs ./configs
+
+EXPOSE 8080
+
+ENTRYPOINT ["./main"]

database-store-service/Dockerfile.dev

@@ -0,0 +1,12 @@
+FROM golang:1.17 AS builder
+
+WORKDIR $GOPATH/src/database-store-service
+
+COPY . ./
+
+RUN pwd; ls -lha
+
+# Install Air
+RUN go get -u github.com/cosmtrek/air@v1.28
+
+CMD ["air"]

database-store-service/go.mod

@@ -0,0 +1,16 @@
+module database-store-service
+
+go 1.17
+
+require (
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/nats-io/nats.go v1.16.0 // indirect
+	github.com/nats-io/nkeys v0.3.0 // indirect
+	github.com/nats-io/nuid v1.0.1 // indirect
+	github.com/nats-io/stan.go v0.10.3 // indirect
+	github.com/rs/zerolog v1.28.0 // indirect
+	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa // indirect
+	golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6 // indirect
+)

database-store-service/go.sum

@@ -0,0 +1,63 @@
+github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
+github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
+github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
+github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
+github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
+github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
+github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
+github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
+github.com/nats-io/nats.go v1.16.0 h1:zvLE7fGBQYW6MWaFaRdsgm9qT39PJDQoju+DS8KsO1g=
+github.com/nats-io/nats.go v1.16.0/go.mod h1:BPko4oXsySz4aSWeFgOHLZs3G4Jq4ZAyE6/zMCxRT6w=
+github.com/nats-io/nkeys v0.3.0 h1:cgM5tL53EvYRU+2YLXIK0G2mJtK12Ft9oeooSZMA2G8=
+github.com/nats-io/nkeys v0.3.0/go.mod h1:gvUNGjVcM2IPr5rCsRsC6Wb3Hr2CQAm08dsxtV6A5y4=
+github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
+github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
+github.com/nats-io/stan.go v0.10.3 h1:8DOyQJ0+nza3zSVJZ19/cpikkrWA4rSKB3YvckIGOTI=
+github.com/nats-io/stan.go v0.10.3/go.mod h1:Cgf5zk6kKpOCqqUIJeuBz6ZDz9osT791VhS6m28sSQQ=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/rs/xid v1.4.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
+github.com/rs/zerolog v1.28.0 h1:MirSo27VyNi7RJYP3078AA1+Cyzd2GB66qy3aUHvsWY=
+github.com/rs/zerolog v1.28.0/go.mod h1:NILgTygv/Uej1ra5XxGf82ZFSLk58MFGAUS2o6usyD0=
+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b h1:wSOdpTq0/eI46Ez/LkDwIsAKA71YP2SRKBODiRWM0as=
+golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
+golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa h1:zuSxTR4o9y82ebqCUJYNGJbGPo6sKVl54f/TVDObg1c=
+golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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database-store-service/main.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"database-store-service/pkg/logger"
+	"fmt"
+	"sync"
+
+	"github.com/nats-io/nats.go"
+)
+
+func main() {
+	log := logger.Instance()
+	log.Info().Msg("Hello World")
+
+	wg := sync.WaitGroup{}
+	wg.Add(10)
+
+	// Nats Client
+	nc, err := nats.Connect("nats://nats-1:4222,nats://nats-2:4222")
+	defer nc.Close()
+
+	if err != nil {
+		log.Error().
+			Str("Error", err.Error()).
+			Msg("Error to connect to Nats")
+	}
+
+	// Create JetStream Context
+	js, err := nc.JetStream()
+
+	_, err = js.AddStream(&nats.StreamConfig{
+		Name:     "orders",
+		Subjects: []string{"ORDERS.*"},
+	})
+
+	if err != nil {
+		log.Error().
+			Str("Error", err.Error()).
+			Msg("Failed to add Stream")
+	}
+
+	if err != nil {
+		log.Error().
+			Str("Error", err.Error()).
+			Msg("Failed to add a durable consumer")
+	}
+
+	js.QueueSubscribe("ORDERS.*", "store", func(m *nats.Msg) {
+		log.Info().
+			Msg(fmt.Sprintf("Received a person: %+v\n", string(m.Data)))
+		m.Ack()
+	}, nats.ManualAck())
+
+	// Wait for a message to come in
+	wg.Wait()
+
+}

database-store-service/pkg/logger/main.go

@@ -0,0 +1,13 @@
+package logger
+
+import (
+	"os"
+
+	"github.com/rs/zerolog"
+)
+
+func Instance() zerolog.Logger {
+	zerolog.TimeFieldFormat = zerolog.TimeFormatUnix
+	logger := zerolog.New(os.Stderr).With().Timestamp().Logger()
+	return logger
+}

docker-compose.yml

@@ -8,6 +8,29 @@ services:
       - "14268:14268"
     networks:
       - health
+
+  nats-1:
+    image: nats:alpine
+    volumes:
+      - ./nats/nats-server-1.conf:/etc/nats/nats-server.conf
+      - .tmp/nats/data/jetstream/1:/data/jetstream
+    ports:
+      - "4223:4222"
+      - "8223:8222"
+    networks:
+      - health
+
+  nats-2:
+    image: nats:alpine
+    volumes:
+      - ./nats/nats-server-2.conf:/etc/nats/nats-server.conf
+      - .tmp/nats/data/jetstream/2:/data/jetstream
+    ports:
+      - "4224:4222"
+      - "8224:8222"
+    networks:
+      - health
+
   health-api:
     build:
         context: ./health-api
@@ -18,12 +41,17 @@ services:
       - IMC_SERVICE_ENDPOINT=imc-grpc:30000
       - RECOMMENDATIONS_SERVICE_ENDPOINT=recommendations-grpc:30000
       - JAEGER_COLLECTOR_ENDPOINT=http://jaeger:14268/api/traces
+      - NATS_URI=nats://nats-1:4222,nats://nats-2:4222
     ports:
         - 8080:8080
     volumes:
         - ./health-api:/go/src/health-api
     networks:
       - health
+    depends_on:
+      - nats-1
+      - nats-2
+
   bmr-grpc:
     build:
         context: ./bmr-grpc-service
@@ -50,6 +78,7 @@ services:
         - ./imc-grpc-service:/go/src/imc-grpc-service
     networks:
       - health
+
   recommendations-grpc:
     build:
         context: ./recommendations-grpc-service
@@ -66,6 +95,7 @@ services:
         - ./recommendations-grpc-service:/go/src/recommendations-grpc-service
     networks:
       - health
+
   proteins-grpc:
     build:
         context: ./proteins-grpc-service
@@ -79,6 +109,7 @@ services:
         - ./proteins-grpc-service:/go/src/proteins-grpc-service
     networks:
       - health
+
   water-grpc:
     build:
         context: ./water-grpc-service
@@ -92,6 +123,7 @@ services:
         - ./water-grpc-service:/go/src/water-grpc-service
     networks:
       - health
+
   calories-grpc:
     build:
         context: ./calories-grpc-service
@@ -105,5 +137,23 @@ services:
         - ./calories-grpc-service:/go/src/calories-grpc-service
     networks:
       - health
+
+  database-store-service:
+    build:
+        context: ./database-store-service
+        dockerfile: Dockerfile.dev
+    environment:
+      - ENVIRONMENT=dev
+      - JAEGER_COLLECTOR_ENDPOINT=http://jaeger:14268/api/traces
+      - NATS_URI=nats://nats-1:4222,nats://nats-2:4222
+    volumes:
+        - ./database-store-service:/go/src/database-store-service
+    networks:
+      - health
+    depends_on:
+      - health-api
+      - nats-1
+      - nats-2
+
 networks:
   health: