add new datasource (singular) virtual_machine

internal/provider/provider.go

@@ -178,9 +178,10 @@ func (p *FakecloudProvider) Resources(ctx context.Context) []func() resource.Res
 }
 
 func (p *FakecloudProvider) DataSources(ctx context.Context) []func() datasource.DataSource {
-	return []func() datasource.DataSource {
-        NewVirtualMachinesDataSource,
-    }
+	return []func() datasource.DataSource{
+		NewVirtualMachinesDataSource,
+		NewVirtualMachineDataSource,
+	}
 }
 
 func New(version string) func() provider.Provider {

internal/provider/virtual_machine_data_source.go

@@ -0,0 +1,99 @@
+package provider
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/hashicorp/terraform-plugin-framework/datasource"
+	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	fakecloud "github.com/pokgak/fakecloud/sdk"
+)
+
+// Ensure the implementation satisfies the expected interfaces.
+var (
+	_ datasource.DataSource              = &virtualMachineDataSource{}
+	_ datasource.DataSourceWithConfigure = &virtualMachineDataSource{}
+)
+
+func NewVirtualMachineDataSource() datasource.DataSource {
+	return &virtualMachineDataSource{}
+}
+
+type virtualMachineDataSource struct {
+	client *fakecloud.Client
+}
+
+// virtualMachineDataSourceModel maps the data source schema data.
+type virtualMachineDataSourceModel struct {
+	ID           types.Int64  `tfsdk:"id"`
+	Name         types.String `tfsdk:"name"`
+	InstanceType types.String `tfsdk:"instance_type"`
+}
+
+func (d *virtualMachineDataSource) Metadata(_ context.Context, req datasource.MetadataRequest, resp *datasource.MetadataResponse) {
+	resp.TypeName = req.ProviderTypeName + "_virtual_machine"
+}
+
+// Configure adds the provider configured client to the data source.
+func (d *virtualMachineDataSource) Configure(_ context.Context, req datasource.ConfigureRequest, resp *datasource.ConfigureResponse) {
+	if req.ProviderData == nil {
+		return
+	}
+
+	client, ok := req.ProviderData.(*fakecloud.Client)
+	if !ok {
+		resp.Diagnostics.AddError(
+			"Unexpected Data Source Configure Type",
+			fmt.Sprintf("Expected *fakecloud.Client, got: %T. Please report this issue to the provider developers.", req.ProviderData),
+		)
+
+		return
+	}
+
+	d.client = client
+}
+
+// Schema defines the schema for the data source.
+func (d *virtualMachineDataSource) Schema(_ context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) {
+	resp.Schema = schema.Schema{
+		Attributes: map[string]schema.Attribute{
+			"id": schema.Int64Attribute{
+				Required: true,
+			},
+			"name": schema.StringAttribute{
+				Computed: true,
+			},
+			"instance_type": schema.StringAttribute{
+				Computed: true,
+			},
+		},
+	}
+}
+
+// Read refreshes the Terraform state with the latest data.
+func (d *virtualMachineDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) {
+	var state virtualMachineDataSourceModel
+
+	// Read Terraform configuration data into the model
+    resp.Diagnostics.Append(req.Config.Get(ctx, &state)...)
+
+	vm, err := d.client.GetVM(int(state.ID.ValueInt64()))
+	if err != nil {
+		resp.Diagnostics.AddError(
+			"Unable to Read Fakecloud VM",
+			err.Error(),
+		)
+		return
+	}
+
+	state.Name = types.StringValue(vm.Name)
+	state.InstanceType = types.StringValue(vm.InstanceType)
+
+	// Set state
+	diags := resp.State.Set(ctx, &state)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+}