diff --git a/.forgejo/workflows/build.yml b/.forgejo/workflows/build.yml
new file mode 100644
index 0000000..9cd29e6
--- /dev/null
+++ b/.forgejo/workflows/build.yml
@@ -0,0 +1,43 @@
+on:
+  workflow_call:
+    inputs:
+      tag:
+        required: true
+        type: string
+      goos:
+        required: true
+        type: string
+      goarch:
+        required: true
+        type: string
+      binari:
+        required: true
+        type: string
+
+jobs:
+  build:
+    runs-on: docker
+    env:
+      RELEASE_CIBLE: ${{ inputs.tag }}
+      GOOS: ${{ inputs.goos }}
+      GOARCH: ${{ inputs.goarch }}
+      BINARI: ${{ inputs.binari }}
+      CGO_ENABLED: 0
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.21"
+      - name: Build du projet
+        run: |
+          echo "Building for ${BINARI}/${GOOS}/${GOARCH} (release: ${RELEASE_CIBLE})"
+          go env GOOS GOARCH
+          mkdir -p dist/
+          go build -o dist/${BINARI}_${GOOS}_${GOARCH} ./cmd/${BINARI}
+          echo "artifact pour ${RELEASE_CIBLE} ${BINARI} ${GOOS} ${GOARCH}" > dist/${BINARI}-${GOOS}-${GOARCH}.txt
+          ls -l ./dist
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ env.BINARI }}-${{ env.RELEASE_CIBLE }}-${{ env.GOOS }}-${{ env.GOARCH }}
+          path: dist/${{ env.BINARI }}_${{ env.GOOS }}_${{ env.GOARCH }}
\ No newline at end of file
diff --git a/.forgejo/workflows/prerelease.yml b/.forgejo/workflows/prerelease.yml
new file mode 100644
index 0000000..fcb74c6
--- /dev/null
+++ b/.forgejo/workflows/prerelease.yml
@@ -0,0 +1,49 @@
+name: Pre Release Workflow
+
+on:
+  push:
+    tags:
+      - '*rc*'
+
+jobs:
+  set-release-target:
+    runs-on: docker
+    outputs:
+      release_cible: ${{ steps.setvar.outputs.release_cible }}
+    steps:
+      - name: Déterminer la release cible
+        id: setvar
+        run: |
+          if [[ "${GITHUB_REF}" == refs/tags/* ]]; then
+            TAG="${GITHUB_REF#refs/tags/}"
+            echo "release_cible=$TAG" >> $GITHUB_OUTPUT
+          elif [[ "${GITHUB_REF}" == "refs/heads/main" ]]; then
+            echo "release_cible=latest" >> $GITHUB_OUTPUT
+          else
+            echo "release_cible=unknown" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Afficher la variable
+        run: echo "Release cible = ${{ steps.setvar.outputs.release_cible }}"
+  build:
+    runs-on: docker
+    needs: [set-release-target]
+    strategy:
+      matrix:
+        goos: [linux]
+        goarch: [amd64]
+        binaries: [db, metadata]
+    uses: ./.forgejo/workflows/build.yml
+    with:
+      tag: ${{ needs.set-release-target.outputs.release_cible }}
+      goos: ${{ matrix.goos }}
+      goarch: ${{ matrix.goarch }}
+      binari: ${{ matrix.binaries }}
+    secrets: inherit
+  prerelease:
+    runs-on: docker
+    needs: [set-release-target, build]
+    uses: ./.forgejo/workflows/release.yml
+    with:
+      tag: ${{ needs.set-release-target.outputs.release_cible }}
+    secrets: inherit
\ No newline at end of file
diff --git a/.forgejo/workflows/release.yml b/.forgejo/workflows/release.yml
new file mode 100644
index 0000000..efc7694
--- /dev/null
+++ b/.forgejo/workflows/release.yml
@@ -0,0 +1,56 @@
+on:
+  workflow_call:
+    inputs:
+      tag:
+        required: true
+        type: string
+
+jobs:
+  release:
+    runs-on: docker
+    env:
+      TOKEN: ${{ secrets.RELEASE }}
+      TAG: ${{ inputs.tag }}
+    steps:
+      - name: Download all build artifacts
+        uses: actions/download-artifact@v3
+        with:
+          path: dist/
+      - name: Publier tous les binaires
+        run: ls -lR dist/
+      - name: Install jq
+        run: |
+          apt-get update
+          apt-get install -y jq
+      - name: Create prerelease
+        run: |
+          curl -X POST \
+            -H "Authorization: token $TOKEN" \
+            -H "Content-Type: application/json" \
+            "https://git.g3e.fr/api/v1/repos/${{ github.repository }}/releases" \
+            -d @- <<EOF
+            {
+              "tag_name": "$TAG",
+              "name": "$TAG",
+              "body": "Prerelease automatique générée par la CI",
+              "draft": false,
+              "prerelease": true
+            }
+          EOF
+      - name: Upload asset
+        run: |
+          RELEASE_ID=$(curl -s \
+            -H "Authorization: token ${TOKEN}" \
+            https://git.g3e.fr/api/v1/repos/${{ github.repository }}/releases/tags/${TAG} \
+            | jq -r .id)
+          echo ${RELEASE_ID}
+          ls dist | while read tmp
+          do
+            FILE=$(ls "./dist/${tmp}")
+            echo ${FILE}
+            curl -X POST \
+              -H "Authorization: token ${TOKEN}" \
+              -H "Content-Type: application/octet-stream" \
+              --data-binary @dist/${tmp}/${FILE} \
+              "https://git.g3e.fr/api/v1/repos/${{ github.repository }}/releases/${RELEASE_ID}/assets?name=${FILE}"
+          done
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 5b90e79..3a0b507 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,5 @@ go.work.sum
 # env file
 .env
 
+# ignore local info
+data/
\ No newline at end of file
diff --git a/NOTICE.md b/NOTICE.md
new file mode 100644
index 0000000..d8b9386
--- /dev/null
+++ b/NOTICE.md
@@ -0,0 +1,11 @@
+# 🔒 Utilisation de logiciels open source
+
+Notre logiciel utilise des composants open source, notamment **NetBox**, un outil de gestion d'infrastructure réseau développé par la communauté NetBox.
+
+NetBox est distribué sous la **licence Apache License, Version 2.0**. Vous pouvez consulter cette licence à l'adresse suivante :  
+http://www.apache.org/licenses/LICENSE-2.0
+
+Aucune modification n’a été apportée à NetBox dans notre intégration. Il est utilisé tel quel, en tant que base de données d'infrastructure.
+
+Copyright © 2025 NetBox Contributors.  
+Nous reconnaissons et respectons le travail de la communauté NetBox.
\ No newline at end of file
diff --git a/cmd/agent/.keep b/cmd/agent/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/cmd/db/main.go b/cmd/db/main.go
new file mode 100644
index 0000000..0c6c1ba
--- /dev/null
+++ b/cmd/db/main.go
@@ -0,0 +1,194 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	configuration "git.g3e.fr/syonad/two/internal/config/agent"
+	"git.g3e.fr/syonad/two/pkg/db/kv"
+	"github.com/dgraph-io/badger/v4"
+)
+
+var DB *badger.DB
+
+func CheckInDB(dbName, id string) int {
+	prefix := []byte(dbName + "/")
+	key := []byte(dbName + "/" + id)
+
+	// vérifier si DB contient au moins une entrée avec ce préfixe
+	hasPrefix := false
+
+	DB.View(func(txn *badger.Txn) error {
+		it := txn.NewIterator(badger.DefaultIteratorOptions)
+		defer it.Close()
+		it.Seek(prefix)
+		if it.ValidForPrefix(prefix) {
+			hasPrefix = true
+		}
+		return nil
+	})
+
+	if !hasPrefix {
+		return 1
+	}
+
+	// vérifier si la clé existe
+	err := DB.View(func(txn *badger.Txn) error {
+		_, err := txn.Get(key)
+		return err
+	})
+
+	if err == badger.ErrKeyNotFound {
+		return 2
+	}
+
+	return 0
+}
+
+func AddInDB(dbName string, line string) error {
+	// ID = partie avant le premier ';'
+	id := strings.Split(line, ";")[0] + "/bash"
+	key := []byte(dbName + "/" + id)
+
+	return DB.Update(func(txn *badger.Txn) error {
+		return txn.Set(key, []byte(line))
+	})
+}
+
+func DeleteInDB(dbName, id string) error {
+	key := []byte(dbName + "/" + id + "/bash")
+
+	return DB.Update(func(txn *badger.Txn) error {
+		return txn.Delete(key)
+	})
+}
+
+func CountInDB(dbName, id string) int {
+	prefix := []byte(dbName + "/" + id + "/bash")
+	count := 0
+
+	DB.View(func(txn *badger.Txn) error {
+		it := txn.NewIterator(badger.DefaultIteratorOptions)
+		defer it.Close()
+
+		for it.Seek(prefix); it.ValidForPrefix(prefix); it.Next() {
+			count++
+		}
+		return nil
+	})
+
+	return count
+}
+
+func GetFromDB(dbName, id string) (string, error) {
+	key := []byte(dbName + "/" + id + "/bash")
+
+	var result string
+
+	err := DB.View(func(txn *badger.Txn) error {
+		item, err := txn.Get(key)
+		if err != nil {
+			return err
+		}
+		return item.Value(func(val []byte) error {
+			result = string(val)
+			return nil
+		})
+	})
+
+	return result, err
+}
+
+func printDB() {
+	err := DB.View(func(txn *badger.Txn) error {
+		it := txn.NewIterator(badger.DefaultIteratorOptions)
+		defer it.Close()
+
+		for it.Rewind(); it.Valid(); it.Next() {
+			item := it.Item()
+			key := item.Key()
+			err := item.Value(func(val []byte) error {
+				fmt.Printf("%s:%s\n", string(key), string(val))
+				return nil
+			})
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+
+	if err != nil {
+		fmt.Println("Error reading DB:", err)
+	}
+}
+
+func main() {
+	conf, err := configuration.LoadConfig("/etc/two/agent.yml")
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	DB = kv.InitDB(kv.Config{
+		Path: conf.Database.Path,
+	})
+	defer DB.Close()
+
+	if len(os.Args) < 2 {
+		fmt.Println("Usage: db <cmd> [args...]")
+		return
+	}
+
+	cmd := os.Args[1]
+
+	switch cmd {
+	case "check_in_db":
+		if len(os.Args) != 4 {
+			fmt.Println("Usage: check_in_db <db_name> <id>")
+			os.Exit(1)
+		}
+		ret := CheckInDB(os.Args[2], os.Args[3])
+		os.Exit(ret)
+	case "add_in_db":
+		if len(os.Args) < 4 {
+			fmt.Println("Usage: add_in_db <db_name> <line...>")
+			os.Exit(1)
+		}
+		line := strings.Join(os.Args[3:], ";")
+		if err := AddInDB(os.Args[2], line); err != nil {
+			fmt.Println("Error:", err)
+			os.Exit(1)
+		}
+	case "delete_in_db":
+		if len(os.Args) != 4 {
+			fmt.Println("Usage: delete_in_db <db_name> <id>")
+			os.Exit(1)
+		}
+		if err := DeleteInDB(os.Args[2], os.Args[3]); err != nil {
+			fmt.Println("Error:", err)
+			os.Exit(1)
+		}
+	case "count_in_db":
+		if len(os.Args) != 4 {
+			fmt.Println("Usage: count_in_db <db_name> <id>")
+			os.Exit(1)
+		}
+		count := CountInDB(os.Args[2], os.Args[3])
+		fmt.Println(count)
+	case "get_from_db":
+		if len(os.Args) != 4 {
+			fmt.Println("Usage: get_from_db <db_name> <id>")
+			os.Exit(1)
+		}
+		line, _ := GetFromDB(os.Args[2], os.Args[3])
+		fmt.Println(line)
+	case "print":
+		printDB()
+		os.Exit(1)
+	default:
+		fmt.Println("Unknown command:", cmd)
+		os.Exit(1)
+	}
+}
diff --git a/cmd/metadata/main.go b/cmd/metadata/main.go
new file mode 100644
index 0000000..54bae88
--- /dev/null
+++ b/cmd/metadata/main.go
@@ -0,0 +1,9 @@
+package main
+
+import (
+	"git.g3e.fr/syonad/two/internal/metadata"
+)
+
+func main() {
+	metadata.StartServer()
+}
diff --git a/exemple/agent/config.exemple.yml b/exemple/agent/config.exemple.yml
new file mode 100644
index 0000000..a2b9f1b
--- /dev/null
+++ b/exemple/agent/config.exemple.yml
@@ -0,0 +1,2 @@
+database:
+  path: "/var/lib/two/data/"
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..cbc34b5
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,33 @@
+module git.g3e.fr/syonad/two
+
+go 1.23.8
+
+require (
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/dgraph-io/badger/v4 v4.8.0 // indirect
+	github.com/dgraph-io/ristretto/v2 v2.2.0 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/google/flatbuffers v25.2.10+incompatible // indirect
+	github.com/klauspost/compress v1.18.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/sagikazarmark/locafero v0.11.0 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/cast v1.10.0 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
+	github.com/spf13/viper v1.21.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
+	go.opentelemetry.io/otel v1.37.0 // indirect
+	go.opentelemetry.io/otel/metric v1.37.0 // indirect
+	go.opentelemetry.io/otel/trace v1.37.0 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/net v0.41.0 // indirect
+	golang.org/x/sys v0.34.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
+	google.golang.org/protobuf v1.36.6 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..2482f6c
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,56 @@
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/dgraph-io/badger/v4 v4.8.0 h1:JYph1ChBijCw8SLeybvPINizbDKWZ5n/GYbz2yhN/bs=
+github.com/dgraph-io/badger/v4 v4.8.0/go.mod h1:U6on6e8k/RTbUWxqKR0MvugJuVmkxSNc79ap4917h4w=
+github.com/dgraph-io/ristretto/v2 v2.2.0 h1:bkY3XzJcXoMuELV8F+vS8kzNgicwQFAaGINAEJdWGOM=
+github.com/dgraph-io/ristretto/v2 v2.2.0/go.mod h1:RZrm63UmcBAaYWC1DotLYBmTvgkrs0+XhBd7Npn7/zI=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
+github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
+github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/go-viper/mapstructure/v2 v2.4.0 h1:EBsztssimR/CONLSZZ04E8qAkxNYq4Qp9LvH92wZUgs=
+github.com/go-viper/mapstructure/v2 v2.4.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
+github.com/google/flatbuffers v25.2.10+incompatible h1:F3vclr7C3HpB1k9mxCGRMXq6FdUalZ6H/pNX4FP1v0Q=
+github.com/google/flatbuffers v25.2.10+incompatible/go.mod h1:1AeVuKshWv4vARoZatz6mlQ0JxURH0Kv5+zNeJKJCa8=
+github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
+github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
+github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
+github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
+github.com/sagikazarmark/locafero v0.11.0 h1:1iurJgmM9G3PA/I+wWYIOw/5SyBtxapeHDcg+AAIFXc=
+github.com/sagikazarmark/locafero v0.11.0/go.mod h1:nVIGvgyzw595SUSUE6tvCp3YYTeHs15MvlmU87WwIik=
+github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 h1:+jumHNA0Wrelhe64i8F6HNlS8pkoyMv5sreGx2Ry5Rw=
+github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8/go.mod h1:3n1Cwaq1E1/1lhQhtRK2ts/ZwZEhjcQeJQ1RuC6Q/8U=
+github.com/spf13/afero v1.15.0 h1:b/YBCLWAJdFWJTN9cLhiXXcD7mzKn9Dm86dNnfyQw1I=
+github.com/spf13/afero v1.15.0/go.mod h1:NC2ByUVxtQs4b3sIUphxK0NioZnmxgyCrfzeuq8lxMg=
+github.com/spf13/cast v1.10.0 h1:h2x0u2shc1QuLHfxi+cTJvs30+ZAHOGRic8uyGTDWxY=
+github.com/spf13/cast v1.10.0/go.mod h1:jNfB8QC9IA6ZuY2ZjDp0KtFO2LZZlg4S/7bzP6qqeHo=
+github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
+github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/viper v1.21.0 h1:x5S+0EU27Lbphp4UKm1C+1oQO+rKx36vfCoaVebLFSU=
+github.com/spf13/viper v1.21.0/go.mod h1:P0lhsswPGWD/1lZJ9ny3fYnVqxiegrlNrEmgLjbTCAY=
+github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
+github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
+go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
+go.opentelemetry.io/otel v1.37.0 h1:9zhNfelUvx0KBfu/gb+ZgeAfAgtWrfHJZcAqFC228wQ=
+go.opentelemetry.io/otel v1.37.0/go.mod h1:ehE/umFRLnuLa/vSccNq9oS1ErUlkkK71gMcN34UG8I=
+go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
+go.opentelemetry.io/otel/metric v1.37.0/go.mod h1:04wGrZurHYKOc+RKeye86GwKiTb9FKm1WHtO+4EVr2E=
+go.opentelemetry.io/otel/trace v1.37.0 h1:HLdcFNbRQBE2imdSEgm/kwqmQj1Or1l/7bW6mxVK7z4=
+go.opentelemetry.io/otel/trace v1.37.0/go.mod h1:TlgrlQ+PtQO5XFerSPUYG0JSgGyryXewPGyayAWSBS0=
+go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
+go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
+golang.org/x/net v0.41.0 h1:vBTly1HeNPEn3wtREYfy4GZ/NECgw2Cnl+nK6Nz3uvw=
+golang.org/x/net v0.41.0/go.mod h1:B/K4NNqkfmg07DQYrbwvSluqCJOOXwUjeb/5lOisjbA=
+golang.org/x/sys v0.34.0 h1:H5Y5sJ2L2JRdyv7ROF1he/lPdvFsd0mJHFw2ThKHxLA=
+golang.org/x/sys v0.34.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
+golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
+google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
+google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/internal/.keep b/internal/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/internal/config/agent/struct.go b/internal/config/agent/struct.go
new file mode 100644
index 0000000..12a46d3
--- /dev/null
+++ b/internal/config/agent/struct.go
@@ -0,0 +1,30 @@
+package configuration
+
+import (
+	"github.com/spf13/viper"
+)
+
+type Config struct {
+	Database struct {
+		Path string `mapstructure:"path"`
+	} `mapstructure:"database"`
+}
+
+func LoadConfig(path string) (*Config, error) {
+	v := viper.New()
+	v.SetConfigFile(path)
+	v.SetConfigType("yaml")
+
+	v.SetDefault("database.path", "/var/lib/two/data/")
+
+	if err := v.ReadInConfig(); err != nil {
+		return nil, err
+	}
+
+	var cfg Config
+	if err := v.Unmarshal(&cfg); err != nil {
+		return nil, err
+	}
+
+	return &cfg, nil
+}
diff --git a/internal/metadata/server.go b/internal/metadata/server.go
new file mode 100644
index 0000000..336f754
--- /dev/null
+++ b/internal/metadata/server.go
@@ -0,0 +1,75 @@
+package metadata
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net"
+	"net/http"
+	"time"
+)
+
+var data NoCloudData
+
+var (
+	iface = flag.String("interface", "0.0.0.0", "Interface IP à écouter")
+	port  = flag.Int("port", 8080, "Port à utiliser")
+	file  = flag.String("file", "", "Fichier JSON contenant les données NoCloud")
+)
+
+func getIP(r *http.Request) string {
+	ip, _, err := net.SplitHostPort(r.RemoteAddr)
+	if err != nil {
+		return r.RemoteAddr
+	}
+	return ip
+}
+
+func rootHandler(w http.ResponseWriter, r *http.Request) {
+	ip := getIP(r)
+	path := r.URL.Path
+	timestamp := time.Now().Format(time.RFC3339)
+	userAgent := r.Header.Get("User-Agent")
+
+	log.Printf("[%s] Requête IP %s vers %s | User-Agent: %s", timestamp, ip, path, userAgent)
+
+	w.Header().Set("Content-Type", "text/yaml")
+
+	switch path {
+	case "/user-data":
+		fmt.Fprint(w, data.UserData)
+	case "/meta-data":
+		fmt.Fprint(w, data.MetaData)
+	case "/network-config":
+		fmt.Fprint(w, data.NetworkConfig)
+	case "/vendor-data":
+		fmt.Fprint(w, data.VendorData)
+	default:
+		http.NotFound(w, r)
+	}
+}
+
+func StartServer() {
+	flag.Parse()
+
+	if *file == "" {
+		log.Fatal("Vous devez spécifier un fichier via --file")
+	}
+
+	raw, err := ioutil.ReadFile(*file)
+	if err != nil {
+		log.Fatalf("Erreur de lecture du fichier: %v", err)
+	}
+
+	if err := json.Unmarshal(raw, &data); err != nil {
+		log.Fatalf("Erreur de parsing JSON: %v", err)
+	}
+
+	http.HandleFunc("/", rootHandler)
+
+	address := fmt.Sprintf("%s:%d", *iface, *port)
+	log.Printf("Serveur NoCloud démarré sur http://%s/", address)
+	log.Fatal(http.ListenAndServe(address, nil))
+}
diff --git a/internal/metadata/struct.go b/internal/metadata/struct.go
new file mode 100644
index 0000000..f1edf18
--- /dev/null
+++ b/internal/metadata/struct.go
@@ -0,0 +1,8 @@
+package metadata
+
+type NoCloudData struct {
+	MetaData      string `json:"meta-data"`
+	UserData      string `json:"user-data"`
+	NetworkConfig string `json:"network-config"`
+	VendorData    string `json:"vendor-data"`
+}
diff --git a/pkg/.keep b/pkg/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/pkg/db/kv/init.go b/pkg/db/kv/init.go
new file mode 100644
index 0000000..18148df
--- /dev/null
+++ b/pkg/db/kv/init.go
@@ -0,0 +1,19 @@
+package kv
+
+import (
+	"github.com/dgraph-io/badger/v4"
+)
+
+func InitDB(conf Config) *badger.DB {
+	opts := badger.DefaultOptions(conf.Path)
+	opts.Logger = nil
+	opts.ValueLogFileSize = 10 << 20 // 10 Mo par fichier vlog
+	opts.NumMemtables = 1
+	opts.NumLevelZeroTables = 1
+	opts.NumLevelZeroTablesStall = 2
+	db, err := badger.Open(opts)
+	if err != nil {
+		panic(err)
+	}
+	return db
+}
diff --git a/pkg/db/kv/struct.go b/pkg/db/kv/struct.go
new file mode 100644
index 0000000..71b195f
--- /dev/null
+++ b/pkg/db/kv/struct.go
@@ -0,0 +1,5 @@
+package kv
+
+type Config struct {
+	Path string
+}