Onboard MongoDB Flex instance

go.mod

@@ -64,6 +64,7 @@ require (
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
 	github.com/oklog/run v1.0.0 // indirect
+	github.com/stackitcloud/stackit-sdk-go/services/mongodbflex v0.4.0
 	github.com/stretchr/testify v1.8.3 // indirect
 	github.com/vmihailenco/msgpack v4.0.4+incompatible // indirect
 	github.com/vmihailenco/msgpack/v5 v5.3.5 // indirect

go.sum

@@ -135,6 +135,8 @@ github.com/stackitcloud/stackit-sdk-go/services/logme v0.4.0 h1:ZySWV2ZpSWY0qlV1
 github.com/stackitcloud/stackit-sdk-go/services/logme v0.4.0/go.mod h1:CG5G3FlJVksfnhcxb8nXYAFxn4lnUBWkDMGNW+6jq2w=
 github.com/stackitcloud/stackit-sdk-go/services/mariadb v0.4.0 h1:0U8sJFEeYcp9sC9ybqOo0ZM4Rco56wFk+xD4+BltthM=
 github.com/stackitcloud/stackit-sdk-go/services/mariadb v0.4.0/go.mod h1:3dOLY0zIH/o2iP/DnkM2bnQIW/Dm79XNDw3gBY5se9s=
+github.com/stackitcloud/stackit-sdk-go/services/mongodbflex v0.4.0 h1:KCQeMLLoMW51w/FP7Wa7lNw9L9IFD68plXrPLWzKZEk=
+github.com/stackitcloud/stackit-sdk-go/services/mongodbflex v0.4.0/go.mod h1:EKKEf0dl4uBye5iH49delEokDnXXqFsWCWRFyYW/7YM=
 github.com/stackitcloud/stackit-sdk-go/services/objectstorage v0.4.0 h1:cU0qGWg2mW4mRM5xeTaB5DSSFnzetyIx2J+ER3RmdIg=
 github.com/stackitcloud/stackit-sdk-go/services/objectstorage v0.4.0/go.mod h1:H0B0VBzyW90ksuG+Bu9iqOan80paw+J6Ik9AZuiz9M0=
 github.com/stackitcloud/stackit-sdk-go/services/opensearch v0.4.0 h1:6Q+ArGyOQDir05pJLc0TbJBGrYyNZ2tKzNY8AGVA0SA=

stackit/internal/core/core.go

@@ -17,19 +17,20 @@ type ProviderData struct {
 	RoundTripper                  http.RoundTripper
 	ServiceAccountEmail           string
 	Region                        string
+	ArgusCustomEndpoint           string
 	DnsCustomEndpoint             string
-	PostgreSQLCustomEndpoint      string
-	PostgresFlexCustomEndpoint    string
 	LogMeCustomEndpoint           string
-	RabbitMQCustomEndpoint        string
 	MariaDBCustomEndpoint         string
+	MongoDBFlexCustomEndpoint     string
 	ObjectStorageCustomEndpoint   string
 	OpenSearchCustomEndpoint      string
+	PostgresFlexCustomEndpoint    string
+	PostgreSQLCustomEndpoint      string
+	RabbitMQCustomEndpoint        string
 	RedisCustomEndpoint           string
+	ResourceManagerCustomEndpoint string
 	SecretsManagerCustomEndpoint  string
-	ArgusCustomEndpoint           string
 	SKECustomEndpoint             string
-	ResourceManagerCustomEndpoint string
 }
 
 // DiagsToError Converts TF diagnostics' errors into an error with a human-readable description.

stackit/internal/services/mongodbflex/instance/datasource.go

@@ -0,0 +1,224 @@
+package mongodbflex
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/hashicorp/terraform-plugin-framework/datasource"
+	"github.com/hashicorp/terraform-plugin-framework/schema/validator"
+	"github.com/hashicorp/terraform-plugin-framework/types/basetypes"
+	"github.com/hashicorp/terraform-plugin-log/tflog"
+	"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/core"
+	"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/validate"
+
+	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/stackitcloud/stackit-sdk-go/core/config"
+	"github.com/stackitcloud/stackit-sdk-go/services/mongodbflex"
+)
+
+// Ensure the implementation satisfies the expected interfaces.
+var (
+	_ datasource.DataSource = &instanceDataSource{}
+)
+
+// NewInstanceDataSource is a helper function to simplify the provider implementation.
+func NewInstanceDataSource() datasource.DataSource {
+	return &instanceDataSource{}
+}
+
+// instanceDataSource is the data source implementation.
+type instanceDataSource struct {
+	client *mongodbflex.APIClient
+}
+
+// Metadata returns the data source type name.
+func (r *instanceDataSource) Metadata(_ context.Context, req datasource.MetadataRequest, resp *datasource.MetadataResponse) {
+	resp.TypeName = req.ProviderTypeName + "_mongodbflex_instance"
+}
+
+// Configure adds the provider configured client to the data source.
+func (r *instanceDataSource) Configure(ctx context.Context, req datasource.ConfigureRequest, resp *datasource.ConfigureResponse) {
+	// Prevent panic if the provider has not been configured.
+	if req.ProviderData == nil {
+		return
+	}
+
+	providerData, ok := req.ProviderData.(core.ProviderData)
+	if !ok {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error configuring API client", fmt.Sprintf("Expected configure type stackit.ProviderData, got %T", req.ProviderData))
+		return
+	}
+
+	var apiClient *mongodbflex.APIClient
+	var err error
+	if providerData.MongoDBFlexCustomEndpoint != "" {
+		apiClient, err = mongodbflex.NewAPIClient(
+			config.WithCustomAuth(providerData.RoundTripper),
+			config.WithEndpoint(providerData.MongoDBFlexCustomEndpoint),
+		)
+	} else {
+		apiClient, err = mongodbflex.NewAPIClient(
+			config.WithCustomAuth(providerData.RoundTripper),
+			config.WithRegion(providerData.Region),
+		)
+	}
+
+	if err != nil {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error configuring API client", fmt.Sprintf("Configuring client: %v", err))
+		return
+	}
+
+	r.client = apiClient
+	tflog.Info(ctx, "MongoDB Flex instance client configured")
+}
+
+// Schema defines the schema for the data source.
+func (r *instanceDataSource) Schema(_ context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) {
+	descriptions := map[string]string{
+		"main":        "MongoDB Flex instance data source schema.",
+		"id":          "Terraform's internal data source. ID. It is structured as \"`project_id`,`instance_id`\".",
+		"instance_id": "ID of the MongoDB Flex instance.",
+		"project_id":  "STACKIT project ID to which the instance is associated.",
+		"name":        "Instance name.",
+		"acl":         "The Access Control List (ACL) for the MongoDB Flex instance.",
+	}
+
+	resp.Schema = schema.Schema{
+		Description: descriptions["main"],
+		Attributes: map[string]schema.Attribute{
+			"id": schema.StringAttribute{
+				Description: descriptions["id"],
+				Computed:    true,
+			},
+			"instance_id": schema.StringAttribute{
+				Description: descriptions["instance_id"],
+				Required:    true,
+				Validators: []validator.String{
+					validate.UUID(),
+					validate.NoSeparator(),
+				},
+			},
+			"project_id": schema.StringAttribute{
+				Description: descriptions["project_id"],
+				Required:    true,
+				Validators: []validator.String{
+					validate.UUID(),
+					validate.NoSeparator(),
+				},
+			},
+			"name": schema.StringAttribute{
+				Description: descriptions["name"],
+				Computed:    true,
+			},
+			"acl": schema.ListAttribute{
+				Description: descriptions["acl"],
+				ElementType: types.StringType,
+				Computed:    true,
+			},
+			"backup_schedule": schema.StringAttribute{
+				Computed: true,
+			},
+			"flavor": schema.SingleNestedAttribute{
+				Computed: true,
+				Attributes: map[string]schema.Attribute{
+					"id": schema.StringAttribute{
+						Computed: true,
+					},
+					"description": schema.StringAttribute{
+						Computed: true,
+					},
+					"cpu": schema.Int64Attribute{
+						Computed: true,
+					},
+					"ram": schema.Int64Attribute{
+						Computed: true,
+					},
+				},
+			},
+			"replicas": schema.Int64Attribute{
+				Computed: true,
+			},
+			"storage": schema.SingleNestedAttribute{
+				Computed: true,
+				Attributes: map[string]schema.Attribute{
+					"class": schema.StringAttribute{
+						Computed: true,
+					},
+					"size": schema.Int64Attribute{
+						Computed: true,
+					},
+				},
+			},
+			"version": schema.StringAttribute{
+				Computed: true,
+			},
+			"options": schema.SingleNestedAttribute{
+				Computed: true,
+				Attributes: map[string]schema.Attribute{
+					"type": schema.StringAttribute{
+						Computed: true,
+					},
+				},
+			},
+		},
+	}
+}
+
+// Read refreshes the Terraform state with the latest data.
+func (r *instanceDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) { // nolint:gocritic // function signature required by Terraform
+	var model Model
+	diags := req.Config.Get(ctx, &model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	projectId := model.ProjectId.ValueString()
+	instanceId := model.InstanceId.ValueString()
+	ctx = tflog.SetField(ctx, "project_id", projectId)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	instanceResp, err := r.client.GetInstance(ctx, projectId, instanceId).Execute()
+	if err != nil {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading instance", fmt.Sprintf("Calling API: %v", err))
+		return
+	}
+
+	var flavor = &flavorModel{}
+	if !(model.Flavor.IsNull() || model.Flavor.IsUnknown()) {
+		diags = model.Flavor.As(ctx, flavor, basetypes.ObjectAsOptions{})
+		resp.Diagnostics.Append(diags...)
+		if resp.Diagnostics.HasError() {
+			return
+		}
+	}
+	var storage = &storageModel{}
+	if !(model.Storage.IsNull() || model.Storage.IsUnknown()) {
+		diags = model.Storage.As(ctx, storage, basetypes.ObjectAsOptions{})
+		resp.Diagnostics.Append(diags...)
+		if resp.Diagnostics.HasError() {
+			return
+		}
+	}
+	var options = &optionsModel{}
+	if !(model.Options.IsNull() || model.Options.IsUnknown()) {
+		diags = model.Options.As(ctx, options, basetypes.ObjectAsOptions{})
+		resp.Diagnostics.Append(diags...)
+		if resp.Diagnostics.HasError() {
+			return
+		}
+	}
+
+	err = mapFields(instanceResp, &model, flavor, storage, options)
+	if err != nil {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading instance", fmt.Sprintf("Processing API payload: %v", err))
+		return
+	}
+	// Set refreshed state
+	diags = resp.State.Set(ctx, model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+	tflog.Info(ctx, "MongoDB Flex instance read")
+}