add dgraph cloud host type

dgraph_cloud.go

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2024 Hypermode, Inc.
+ */
+
+package manifest
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+)
+
+const (
+	HostTypeDGraphCloud string = "dgraph-cloud"
+)
+
+type DGraphCloudHostInfo struct {
+	Name     string `json:"-"`
+	Type     string `json:"type"`
+	Endpoint string `json:"endpoint"`
+	Key      string `json:"key"`
+}
+
+func (p DGraphCloudHostInfo) HostName() string {
+	return p.Name
+}
+
+func (DGraphCloudHostInfo) HostType() string {
+	return HostTypeDGraphCloud
+}
+
+func (h DGraphCloudHostInfo) GetVariables() []string {
+	return extractVariables(h.Key)
+}
+
+func (h DGraphCloudHostInfo) Hash() string {
+	// Concatenate the attributes into a single string
+	data := fmt.Sprintf("%v|%v|%v|%v", h.Name, h.Type, h.Endpoint, h.Key)
+
+	// Compute the SHA-256 hash
+	hash := sha256.Sum256([]byte(data))
+
+	// Convert the hash to a hexadecimal string
+	hashStr := hex.EncodeToString(hash[:])
+
+	return hashStr
+}

hypermode.json

@@ -106,9 +106,9 @@
               "type": {
                 "type": "string",
                 "default": "http",
-                "enum": ["http", "postgresql"],
-                "description": "Type for the host, such as 'http', 'postgresql'",
-                "markdownDescription": "Type for the host, such as 'http', 'postgresql'.\n\nReference: https://docs.hypermode.com/define-hosts"
+                "enum": ["http", "postgresql", "dgraph-cloud"],
+                "description": "Type for the host, such as 'http', 'postgresql', 'dgraph-cloud'",
+                "markdownDescription": "Type for the host, such as 'http', 'postgresql', 'dgraph-cloud'.\n\nReference: https://docs.hypermode.com/define-hosts"
               }
             },
             "allOf": [
@@ -206,6 +206,35 @@
                   "required": ["connString"],
                   "additionalProperties": false
                 }
+              },
+              {
+                "if": {
+                  "properties": { "type": { "const": "dgraph-cloud" } },
+                  "required": ["type"]
+                },
+                "then": {
+                  "properties": {
+                    "type": {
+                      "const": "dgraph-cloud"
+                    },
+                    "endpoint": {
+                      "type": "string",
+                      "format": "uri",
+                      "minLength": 1,
+                      "pattern": "^https?://\\S+$",
+                      "description": "Full URL endpoint for connections to DGraph Cloud.",
+                      "markdownDescription": "Full URL endpoint for connections to DGraph.\n\nReference: https://docs.hypermode.com/define-hosts"
+                    },
+                    "key": {
+                      "type": "string",
+                      "minLength": 1,
+                      "description": "API key for DGraph Cloud.",
+                      "markdownDescription": "API key for DGraph Cloud.\n\nReference: https://docs.hypermode.com/define-hosts"
+                    }
+                  },
+                  "required": ["endpoint", "key"],
+                  "additionalProperties": false
+                }
               }
             ]
           }

manifest.go

@@ -144,6 +144,13 @@ func parseManifestJson(data []byte, manifest *HypermodeManifest) error {
 			}
 			h.Name = name
 			manifest.Hosts[name] = h
+		case HostTypeDGraphCloud:
+			var h DGraphCloudHostInfo
+			if err := json.Unmarshal(rawHost, &h); err != nil {
+				return fmt.Errorf("failed to parse manifest: %w", err)
+			}
+			h.Name = name
+			manifest.Hosts[name] = h
 		default:
 			return fmt.Errorf("unknown host type: [%s]", hostType.String())
 		}

test/manifest_test.go

@@ -88,6 +88,12 @@ func TestReadManifest(t *testing.T) {
 				Type:    "postgresql",
 				ConnStr: "postgresql://{{POSTGRESQL_USERNAME}}:{{POSTGRESQL_PASSWORD}}@1.2.3.4:5432/data?sslmode=disable",
 			},
+			"my-dgraph-cloud": manifest.DGraphCloudHostInfo{
+				Name:     "my-dgraph-cloud",
+				Type:     "dgraph-cloud",
+				Endpoint: "https://frozen-mango.eu-central-1.aws.cloud.dgraph.io/graphql",
+				Key:      "{{DGRAPH_KEY}}",
+			},
 		},
 		Collections: map[string]manifest.CollectionInfo{
 			"collection1": {
@@ -233,6 +239,20 @@ func TestHPostgresHostInfo_Hash(t *testing.T) {
 	}
 }
 
+func TestDGraphCloudHostInfo_Hash(t *testing.T) {
+	host := manifest.DGraphCloudHostInfo{
+		Name:     "my-dgraph-cloud",
+		Endpoint: "https://frozen-mango.eu-central-1.aws.cloud.dgraph.io/graphql",
+		Key:      "{{DGRAPH_KEY}}",
+	}
+
+	expectedHash := "8039a6ea0219f417341f5e41230f596776d0f0381f0aac59052c96fea3eb70ba"
+	actualHash := host.Hash()
+	if actualHash != expectedHash {
+		t.Errorf("Expected hash: %s, but got: %s", expectedHash, actualHash)
+	}
+}
+
 func TestGetHostVariablesFromManifest(t *testing.T) {
 	// This should match the host variables that are present in valid_hypermode.json
 	expectedVars := map[string][]string{
@@ -242,6 +262,7 @@ func TestGetHostVariablesFromManifest(t *testing.T) {
 		"my-rest-api":        {"API_TOKEN"},
 		"another-rest-api":   {"USERNAME", "PASSWORD"},
 		"neon":               {"POSTGRESQL_USERNAME", "POSTGRESQL_PASSWORD"},
+		"my-dgraph-cloud":    {"DGRAPH_KEY"},
 	}
 
 	m, err := manifest.ReadManifest(validManifest)

test/valid_hypermode.json

@@ -55,6 +55,11 @@
     "neon": {
       "type": "postgresql",
       "connString": "postgresql://{{POSTGRESQL_USERNAME}}:{{POSTGRESQL_PASSWORD}}@1.2.3.4:5432/data?sslmode=disable"
+    },
+    "my-dgraph-cloud": {
+      "type": "dgraph-cloud",
+      "endpoint": "https://frozen-mango.eu-central-1.aws.cloud.dgraph.io/graphql",
+      "key": "{{DGRAPH_KEY}}"
     }
   },
   "collections": {