251 lines
8.2 KiB
Go
251 lines
8.2 KiB
Go
package postgresflex
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import (
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"context"
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"fmt"
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"net/http"
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"strings"
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"github.com/hashicorp/terraform-plugin-framework/attr"
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"github.com/hashicorp/terraform-plugin-framework/datasource"
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"github.com/hashicorp/terraform-plugin-framework/schema/validator"
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"github.com/hashicorp/terraform-plugin-log/tflog"
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"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/core"
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"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/utils"
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"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/validate"
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"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
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"github.com/hashicorp/terraform-plugin-framework/types"
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"github.com/stackitcloud/stackit-sdk-go/core/config"
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"github.com/stackitcloud/stackit-sdk-go/core/oapierror"
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"github.com/stackitcloud/stackit-sdk-go/services/postgresflex"
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)
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// Ensure the implementation satisfies the expected interfaces.
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var (
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_ datasource.DataSource = &userDataSource{}
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)
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type DataSourceModel struct {
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Id types.String `tfsdk:"id"` // needed by TF
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UserId types.String `tfsdk:"user_id"`
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InstanceId types.String `tfsdk:"instance_id"`
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ProjectId types.String `tfsdk:"project_id"`
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Username types.String `tfsdk:"username"`
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Roles types.Set `tfsdk:"roles"`
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Host types.String `tfsdk:"host"`
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Port types.Int64 `tfsdk:"port"`
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Region types.String `tfsdk:"region"`
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}
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// NewUserDataSource is a helper function to simplify the provider implementation.
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func NewUserDataSource() datasource.DataSource {
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return &userDataSource{}
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}
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// userDataSource is the data source implementation.
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type userDataSource struct {
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client *postgresflex.APIClient
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providerData core.ProviderData
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}
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// Metadata returns the data source type name.
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func (r *userDataSource) Metadata(_ context.Context, req datasource.MetadataRequest, resp *datasource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_postgresflex_user"
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}
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// Configure adds the provider configured client to the data source.
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func (r *userDataSource) Configure(ctx context.Context, req datasource.ConfigureRequest, resp *datasource.ConfigureResponse) {
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// Prevent panic if the provider has not been configured.
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if req.ProviderData == nil {
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return
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}
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var ok bool
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r.providerData, ok = req.ProviderData.(core.ProviderData)
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if !ok {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error configuring API client", fmt.Sprintf("Expected configure type stackit.ProviderData, got %T", req.ProviderData))
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return
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}
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var apiClient *postgresflex.APIClient
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var err error
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if r.providerData.PostgresFlexCustomEndpoint != "" {
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apiClient, err = postgresflex.NewAPIClient(
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config.WithCustomAuth(r.providerData.RoundTripper),
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config.WithEndpoint(r.providerData.PostgresFlexCustomEndpoint),
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)
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} else {
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apiClient, err = postgresflex.NewAPIClient(
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config.WithCustomAuth(r.providerData.RoundTripper),
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config.WithRegion(r.providerData.GetRegion()),
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)
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}
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error configuring API client", fmt.Sprintf("Configuring client: %v. This is an error related to the provider configuration, not to the data source configuration", err))
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return
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}
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r.client = apiClient
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tflog.Info(ctx, "Postgres Flex user client configured")
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}
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// Schema defines the schema for the data source.
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func (r *userDataSource) Schema(_ context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) {
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descriptions := map[string]string{
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"main": "Postgres Flex user data source schema. Must have a `region` specified in the provider configuration.",
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"id": "Terraform's internal data source. ID. It is structured as \"`project_id`,`region`,`instance_id`,`user_id`\".",
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"user_id": "User ID.",
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"instance_id": "ID of the PostgresFlex instance.",
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"project_id": "STACKIT project ID to which the instance is associated.",
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"region": "The resource region. If not defined, the provider region is used.",
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}
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resp.Schema = schema.Schema{
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Description: descriptions["main"],
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Attributes: map[string]schema.Attribute{
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"id": schema.StringAttribute{
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Description: descriptions["id"],
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Computed: true,
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},
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"user_id": schema.StringAttribute{
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Description: descriptions["user_id"],
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Required: true,
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Validators: []validator.String{
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validate.NoSeparator(),
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},
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},
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"instance_id": schema.StringAttribute{
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Description: descriptions["instance_id"],
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Required: true,
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Validators: []validator.String{
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validate.UUID(),
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validate.NoSeparator(),
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},
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},
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"project_id": schema.StringAttribute{
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Description: descriptions["project_id"],
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Required: true,
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Validators: []validator.String{
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validate.UUID(),
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validate.NoSeparator(),
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},
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},
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"username": schema.StringAttribute{
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Computed: true,
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},
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"roles": schema.SetAttribute{
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ElementType: types.StringType,
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Computed: true,
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},
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"host": schema.StringAttribute{
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Computed: true,
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},
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"port": schema.Int64Attribute{
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Computed: true,
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},
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"region": schema.StringAttribute{
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// the region cannot be found automatically, so it has to be passed
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Optional: true,
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Description: descriptions["region"],
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},
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},
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}
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}
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// Read refreshes the Terraform state with the latest data.
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func (r *userDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) { // nolint:gocritic // function signature required by Terraform
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var model DataSourceModel
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diags := req.Config.Get(ctx, &model)
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resp.Diagnostics.Append(diags...)
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if resp.Diagnostics.HasError() {
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return
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}
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projectId := model.ProjectId.ValueString()
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instanceId := model.InstanceId.ValueString()
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userId := model.UserId.ValueString()
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var region string
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if utils.IsUndefined(model.Region) {
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region = r.providerData.GetRegion()
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} else {
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region = model.Region.ValueString()
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}
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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "instance_id", instanceId)
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ctx = tflog.SetField(ctx, "user_id", userId)
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ctx = tflog.SetField(ctx, "region", region)
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recordSetResp, err := r.client.GetUser(ctx, projectId, region, instanceId, userId).Execute()
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if err != nil {
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oapiErr, ok := err.(*oapierror.GenericOpenAPIError) //nolint:errorlint //complaining that error.As should be used to catch wrapped errors, but this error should not be wrapped
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if ok && oapiErr.StatusCode == http.StatusNotFound {
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resp.State.RemoveResource(ctx)
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}
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading user", fmt.Sprintf("Calling API: %v", err))
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return
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}
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// Map response body to schema and populate Computed attribute values
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err = mapDataSourceFields(recordSetResp, &model, region)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading user", fmt.Sprintf("Processing API payload: %v", err))
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return
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}
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// Set refreshed state
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diags = resp.State.Set(ctx, model)
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resp.Diagnostics.Append(diags...)
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if resp.Diagnostics.HasError() {
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return
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}
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tflog.Info(ctx, "Postgres Flex user read")
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}
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func mapDataSourceFields(userResp *postgresflex.GetUserResponse, model *DataSourceModel, region string) error {
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if userResp == nil || userResp.Item == nil {
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return fmt.Errorf("response is nil")
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}
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if model == nil {
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return fmt.Errorf("model input is nil")
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}
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user := userResp.Item
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var userId string
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if model.UserId.ValueString() != "" {
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userId = model.UserId.ValueString()
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} else if user.Id != nil {
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userId = *user.Id
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} else {
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return fmt.Errorf("user id not present")
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}
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idParts := []string{
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model.ProjectId.ValueString(),
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region,
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model.InstanceId.ValueString(),
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userId,
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}
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model.Id = types.StringValue(
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strings.Join(idParts, core.Separator),
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)
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model.UserId = types.StringValue(userId)
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model.Username = types.StringPointerValue(user.Username)
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if user.Roles == nil {
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model.Roles = types.SetNull(types.StringType)
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} else {
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roles := []attr.Value{}
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for _, role := range *user.Roles {
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roles = append(roles, types.StringValue(role))
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}
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rolesSet, diags := types.SetValue(types.StringType, roles)
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if diags.HasError() {
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return fmt.Errorf("failed to map roles: %w", core.DiagsToError(diags))
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}
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model.Roles = rolesSet
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}
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model.Host = types.StringPointerValue(user.Host)
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model.Port = types.Int64PointerValue(user.Port)
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model.Region = types.StringValue(region)
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return nil
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}
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