220 lines
7 KiB
Go
220 lines
7 KiB
Go
package postgresflexalpha
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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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"github.com/hashicorp/terraform-plugin-framework-validators/stringvalidator"
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"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
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postgresflexUtils "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/postgresflexalpha/utils"
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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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"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
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"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
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"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/validate"
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"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
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"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/postgresflexalpha"
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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 = &databaseDataSource{}
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)
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// NewDatabaseDataSource is a helper function to simplify the provider implementation.
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func NewDatabaseDataSource() datasource.DataSource {
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return &databaseDataSource{}
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}
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// databaseDataSource is the data source implementation.
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type databaseDataSource struct {
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client *postgresflexalpha.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 *databaseDataSource) Metadata(
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_ context.Context,
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req datasource.MetadataRequest,
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resp *datasource.MetadataResponse,
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) {
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resp.TypeName = req.ProviderTypeName + "_postgresflexalpha_database"
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}
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// Configure adds the provider configured client to the data source.
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func (r *databaseDataSource) Configure(
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ctx context.Context,
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req datasource.ConfigureRequest,
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resp *datasource.ConfigureResponse,
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) {
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var ok bool
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r.providerData, ok = conversion.ParseProviderData(ctx, req.ProviderData, &resp.Diagnostics)
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if !ok {
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return
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}
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apiClient := postgresflexUtils.ConfigureClient(ctx, &r.providerData, &resp.Diagnostics)
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if resp.Diagnostics.HasError() {
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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 database client configured")
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}
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// Schema defines the schema for the data source.
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func (r *databaseDataSource) Schema(_ context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) {
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descriptions := map[string]string{
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"main": "Postgres Flex database resource schema. Must have a `region` specified in the provider configuration.",
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"id": "Terraform's internal resource ID. It is structured as \"`project_id`,`region`,`instance_id`,`database_id`\".",
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"database_id": "Database ID.",
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"instance_id": "ID of the Postgres Flex instance.",
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"project_id": "STACKIT project ID to which the instance is associated.",
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"name": "Database name.",
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"owner": "Username of the database owner.",
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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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"database_id": schema.Int64Attribute{
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Description: descriptions["database_id"],
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Optional: true,
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Computed: true,
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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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"name": schema.StringAttribute{
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Description: descriptions["name"],
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Optional: true,
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Computed: true,
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Validators: []validator.String{
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stringvalidator.LengthAtLeast(1),
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},
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},
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"owner": schema.StringAttribute{
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Description: descriptions["owner"],
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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, 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 *databaseDataSource) Read(
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ctx context.Context,
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req datasource.ReadRequest,
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resp *datasource.ReadResponse,
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) { // nolint:gocritic // function signature required by Terraform
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var model Model
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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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// validation for exactly one of database_id or name
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isIdSet := !model.DatabaseId.IsNull() && !model.DatabaseId.IsUnknown()
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isNameSet := !model.Name.IsNull() && !model.Name.IsUnknown()
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if (isIdSet && isNameSet) || (!isIdSet && !isNameSet) {
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core.LogAndAddError(
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ctx, &resp.Diagnostics,
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"Invalid configuration", "Exactly one of 'database_id' or 'name' must be specified.",
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)
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return
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}
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ctx = core.InitProviderContext(ctx)
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projectId := model.ProjectId.ValueString()
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instanceId := model.InstanceId.ValueString()
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databaseId := model.DatabaseId.ValueInt64()
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region := r.providerData.GetRegionWithOverride(model.Region)
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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, "database_id", databaseId)
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ctx = tflog.SetField(ctx, "region", region)
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var databaseResp *postgresflexalpha.ListDatabase
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var err error
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if isIdSet {
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databaseId := model.DatabaseId.ValueInt64()
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ctx = tflog.SetField(ctx, "database_id", databaseId)
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databaseResp, err = getDatabaseById(ctx, r.client, projectId, region, instanceId, databaseId)
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} else {
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databaseName := model.Name.ValueString()
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ctx = tflog.SetField(ctx, "name", databaseName)
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databaseResp, err = getDatabaseByName(ctx, r.client, projectId, region, instanceId, databaseName)
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}
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if err != nil {
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utils.LogError(
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ctx,
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&resp.Diagnostics,
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err,
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"Reading database",
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fmt.Sprintf(
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"Database with ID %q or instance with ID %q does not exist in project %q.",
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databaseId,
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instanceId,
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projectId,
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),
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map[int]string{
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http.StatusForbidden: fmt.Sprintf("Project with ID %q not found or forbidden access", projectId),
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},
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)
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resp.State.RemoveResource(ctx)
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return
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}
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ctx = core.LogResponse(ctx)
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// Map response body to schema and populate Computed attribute values
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err = mapFields(databaseResp, &model, region)
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if err != nil {
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core.LogAndAddError(
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ctx,
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&resp.Diagnostics,
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"Error reading database",
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fmt.Sprintf("Processing API payload: %v", err),
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)
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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 database read")
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}
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