feat: initial copy of v0.1.0

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

@@ -0,0 +1,130 @@
+package postgresflexalpha
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/stackitcloud/stackit-sdk-go/services/postgresflex/v3alpha1api"
+
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
+	postgresflexalpha2 "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/postgresflexalpha/instance/datasources_gen"
+	postgresflexUtils "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/postgresflexalpha/utils"
+
+	"github.com/hashicorp/terraform-plugin-framework/datasource"
+	"github.com/hashicorp/terraform-plugin-log/tflog"
+
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
+)
+
+// 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{}
+}
+
+// dataSourceModel maps the data source schema data.
+type dataSourceModel struct {
+	postgresflexalpha2.InstanceModel
+	TerraformID types.String `tfsdk:"id"`
+}
+
+// instanceDataSource is the data source implementation.
+type instanceDataSource struct {
+	client       *v3alpha1api.APIClient
+	providerData core.ProviderData
+}
+
+// Metadata returns the data source type name.
+func (r *instanceDataSource) Metadata(
+	_ context.Context,
+	req datasource.MetadataRequest,
+	resp *datasource.MetadataResponse,
+) {
+	resp.TypeName = req.ProviderTypeName + "_postgresflexalpha_instance"
+}
+
+// Configure adds the provider configured client to the data source.
+func (r *instanceDataSource) Configure(
+	ctx context.Context,
+	req datasource.ConfigureRequest,
+	resp *datasource.ConfigureResponse,
+) {
+	var ok bool
+	r.providerData, ok = conversion.ParseProviderData(ctx, req.ProviderData, &resp.Diagnostics)
+	if !ok {
+		return
+	}
+
+	apiClient := postgresflexUtils.ConfigureClient(ctx, &r.providerData, &resp.Diagnostics)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+	r.client = apiClient
+	tflog.Info(ctx, "Postgres Flex instance client configured")
+}
+
+// Schema defines the schema for the data source.
+func (r *instanceDataSource) Schema(ctx context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) {
+	resp.Schema = postgresflexalpha2.InstanceDataSourceSchema(ctx)
+}
+
+// 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 dataSourceModel
+	diags := req.Config.Get(ctx, &model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	ctx = core.InitProviderContext(ctx)
+
+	projectId := model.ProjectId.ValueString()
+	instanceId := model.InstanceId.ValueString()
+	region := r.providerData.GetRegionWithOverride(model.Region)
+	ctx = tflog.SetField(ctx, "project_id", projectId)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	ctx = tflog.SetField(ctx, "region", region)
+	instanceResp, err := r.client.DefaultAPI.GetInstanceRequest(ctx, projectId, region, instanceId).Execute()
+	if err != nil {
+		utils.LogError(
+			ctx,
+			&resp.Diagnostics,
+			err,
+			"Reading instance",
+			fmt.Sprintf("Instance with ID %q does not exist in project %q.", instanceId, projectId),
+			map[int]string{
+				http.StatusForbidden: fmt.Sprintf("Project with ID %q not found or forbidden access", projectId),
+			},
+		)
+		resp.State.RemoveResource(ctx)
+		return
+	}
+
+	ctx = core.LogResponse(ctx)
+
+	err = mapGetDataInstanceResponseToModel(ctx, &model, instanceResp)
+	if err != nil {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading instance", fmt.Sprintf("Calling API: %v", err))
+		return
+	}
+
+	// Set refreshed state
+	diags = resp.State.Set(ctx, model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+	tflog.Info(ctx, "Postgres Flex instance read")
+}