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vicentepinto98
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205
stackit/services/postgresflex/instance/datasource.go
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205
stackit/services/postgresflex/instance/datasource.go
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package postgresflex
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import (
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"context"
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"fmt"
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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-framework/types/basetypes"
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"github.com/hashicorp/terraform-plugin-log/tflog"
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"github.com/stackitcloud/terraform-provider-stackit/stackit/core"
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"github.com/stackitcloud/terraform-provider-stackit/stackit/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/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 = &instanceDataSource{}
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)
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// NewInstanceDataSource is a helper function to simplify the provider implementation.
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func NewInstanceDataSource() datasource.DataSource {
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return &instanceDataSource{}
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}
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// instanceDataSource is the data source implementation.
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type instanceDataSource struct {
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client *postgresflex.APIClient
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}
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// Metadata returns the resource type name.
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func (r *instanceDataSource) Metadata(_ context.Context, req datasource.MetadataRequest, resp *datasource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_postgresflex_instance"
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}
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// Configure adds the provider configured client to the resource.
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func (r *instanceDataSource) 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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providerData, ok := req.ProviderData.(core.ProviderData)
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if !ok {
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resp.Diagnostics.AddError("Unexpected Data Source Configure Type", fmt.Sprintf("Expected 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 providerData.PostgresFlexCustomEndpoint != "" {
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apiClient, err = postgresflex.NewAPIClient(
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config.WithCustomAuth(providerData.RoundTripper),
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config.WithEndpoint(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(providerData.RoundTripper),
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config.WithRegion(providerData.Region),
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)
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}
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if err != nil {
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resp.Diagnostics.AddError("Could not Configure API Client", err.Error())
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return
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}
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tflog.Info(ctx, "Postgresflex instance client configured")
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r.client = apiClient
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}
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// Schema defines the schema for the resource.
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func (r *instanceDataSource) Schema(_ context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) {
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descriptions := map[string]string{
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"main": "PostgresFlex instance data source schema.",
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"id": "Terraform's internal resource 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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"name": "Instance name.",
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"acl": "The Access Control List (ACL) for the PostgresFlex instance.",
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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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"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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Computed: true,
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},
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"acl": schema.ListAttribute{
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Description: descriptions["acl"],
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ElementType: types.StringType,
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Computed: true,
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},
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"backup_schedule": schema.StringAttribute{
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Computed: true,
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},
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"flavor": schema.SingleNestedAttribute{
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Computed: true,
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Attributes: map[string]schema.Attribute{
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"id": schema.StringAttribute{
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Computed: true,
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},
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"description": schema.StringAttribute{
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Computed: true,
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},
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"cpu": schema.Int64Attribute{
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Computed: true,
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},
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"ram": schema.Int64Attribute{
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Computed: true,
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},
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},
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},
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"replicas": schema.Int64Attribute{
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Computed: true,
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},
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"storage": schema.SingleNestedAttribute{
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Computed: true,
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Attributes: map[string]schema.Attribute{
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"class": schema.StringAttribute{
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Computed: true,
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},
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"size": schema.Int64Attribute{
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Computed: true,
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},
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},
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},
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"version": schema.StringAttribute{
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Computed: true,
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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 *instanceDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) { // nolint:gocritic // function signature required by Terraform
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var state Model
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diags := req.Config.Get(ctx, &state)
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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 := state.ProjectId.ValueString()
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instanceId := state.InstanceId.ValueString()
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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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instanceResp, err := r.client.GetInstance(ctx, projectId, instanceId).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Unable to read instance", err.Error())
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return
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}
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var flavor = &flavorModel{}
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if !(state.Flavor.IsNull() || state.Flavor.IsUnknown()) {
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diags = state.Flavor.As(ctx, flavor, basetypes.ObjectAsOptions{})
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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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}
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var storage = &storageModel{}
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if !(state.Storage.IsNull() || state.Storage.IsUnknown()) {
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diags = state.Storage.As(ctx, storage, basetypes.ObjectAsOptions{})
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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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}
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err = mapFields(instanceResp, &state, flavor, storage)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Mapping fields", err.Error())
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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, state)
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resp.Diagnostics.Append(diags...)
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tflog.Info(ctx, "Postgresql instance read")
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}
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