457 lines
15 KiB
Go
457 lines
15 KiB
Go
package secretsmanager
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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/stackitcloud/terraform-provider-stackit/stackit/internal/utils"
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secretsmanagerUtils "github.com/stackitcloud/terraform-provider-stackit/stackit/internal/services/secretsmanager/utils"
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"github.com/hashicorp/terraform-plugin-framework-validators/setvalidator"
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"github.com/hashicorp/terraform-plugin-framework-validators/stringvalidator"
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"github.com/hashicorp/terraform-plugin-framework/attr"
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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/conversion"
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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/validate"
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"github.com/hashicorp/terraform-plugin-framework/path"
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"github.com/hashicorp/terraform-plugin-framework/resource"
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"github.com/hashicorp/terraform-plugin-framework/resource/schema"
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"github.com/hashicorp/terraform-plugin-framework/resource/schema/planmodifier"
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"github.com/hashicorp/terraform-plugin-framework/resource/schema/stringplanmodifier"
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"github.com/hashicorp/terraform-plugin-framework/types"
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"github.com/stackitcloud/stackit-sdk-go/core/oapierror"
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sdkUtils "github.com/stackitcloud/stackit-sdk-go/core/utils"
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"github.com/stackitcloud/stackit-sdk-go/services/secretsmanager"
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)
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// Ensure the implementation satisfies the expected interfaces.
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var (
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_ resource.Resource = &instanceResource{}
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_ resource.ResourceWithConfigure = &instanceResource{}
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_ resource.ResourceWithImportState = &instanceResource{}
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)
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type Model struct {
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Id types.String `tfsdk:"id"` // needed by TF
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InstanceId types.String `tfsdk:"instance_id"`
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ProjectId types.String `tfsdk:"project_id"`
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Name types.String `tfsdk:"name"`
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ACLs types.Set `tfsdk:"acls"`
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}
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// NewInstanceResource is a helper function to simplify the provider implementation.
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func NewInstanceResource() resource.Resource {
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return &instanceResource{}
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}
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// instanceResource is the resource implementation.
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type instanceResource struct {
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client *secretsmanager.APIClient
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}
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// Metadata returns the resource type name.
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func (r *instanceResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_secretsmanager_instance"
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}
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// Configure adds the provider configured client to the resource.
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func (r *instanceResource) Configure(ctx context.Context, req resource.ConfigureRequest, resp *resource.ConfigureResponse) {
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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 := secretsmanagerUtils.ConfigureClient(ctx, &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, "Secrets Manager instance client configured")
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}
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// Schema defines the schema for the resource.
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func (r *instanceResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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descriptions := map[string]string{
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"main": "Secrets Manager instance 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`,`instance_id`\".",
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"instance_id": "ID of the Secrets Manager 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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"acls": "The access control list for this instance. Each entry is an IP or IP range that is permitted to access, in CIDR notation",
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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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PlanModifiers: []planmodifier.String{
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stringplanmodifier.UseStateForUnknown(),
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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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Computed: true,
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PlanModifiers: []planmodifier.String{
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stringplanmodifier.UseStateForUnknown(),
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},
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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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PlanModifiers: []planmodifier.String{
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stringplanmodifier.RequiresReplace(),
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},
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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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Required: true,
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PlanModifiers: []planmodifier.String{
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stringplanmodifier.RequiresReplace(),
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},
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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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"acls": schema.SetAttribute{
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Description: descriptions["acls"],
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ElementType: types.StringType,
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Optional: true,
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Validators: []validator.Set{
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setvalidator.ValueStringsAre(
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validate.CIDR(),
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),
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},
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},
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},
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}
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}
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// Create creates the resource and sets the initial Terraform state.
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func (r *instanceResource) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) { // nolint:gocritic // function signature required by Terraform
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var model Model
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diags := req.Plan.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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ctx = tflog.SetField(ctx, "project_id", projectId)
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var acls []string
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if !(model.ACLs.IsNull() || model.ACLs.IsUnknown()) {
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diags = model.ACLs.ElementsAs(ctx, &acls, false)
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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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// Generate API request body from model
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payload, err := toCreatePayload(&model)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating instance", fmt.Sprintf("Creating API payload: %v", err))
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return
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}
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// Create new instance
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createResp, err := r.client.CreateInstance(ctx, projectId).CreateInstancePayload(*payload).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating instance", fmt.Sprintf("Calling API: %v", err))
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return
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}
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instanceId := *createResp.Id
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ctx = tflog.SetField(ctx, "instance_id", instanceId)
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// Create ACLs
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err = updateACLs(ctx, projectId, instanceId, acls, r.client)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating instance", fmt.Sprintf("Creating ACLs: %v", err))
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return
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}
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aclList, err := r.client.ListACLs(ctx, projectId, instanceId).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating instance", fmt.Sprintf("Calling API for ACLs data: %v", err))
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return
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}
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// Map response body to schema
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err = mapFields(createResp, aclList, &model)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating instance", fmt.Sprintf("Processing API payload: %v", err))
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return
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}
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// Set state to fully populated data
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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, "Secrets Manager instance created")
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}
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// Read refreshes the Terraform state with the latest data.
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func (r *instanceResource) Read(ctx context.Context, req resource.ReadRequest, resp *resource.ReadResponse) { // nolint:gocritic // function signature required by Terraform
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var model Model
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diags := req.State.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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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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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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return
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}
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading instance", fmt.Sprintf("Calling API: %v", err))
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return
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}
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aclList, err := r.client.ListACLs(ctx, projectId, instanceId).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading instance", fmt.Sprintf("Calling API for ACLs data: %v", err))
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return
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}
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// Map response body to schema
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err = mapFields(instanceResp, aclList, &model)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading instance", 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, "Secrets Manager instance read")
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}
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// Update updates the resource and sets the updated Terraform state on success.
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func (r *instanceResource) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) { // nolint:gocritic // function signature required by Terraform
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var model Model
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diags := req.Plan.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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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "instance_id", instanceId)
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var acls []string
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if !(model.ACLs.IsNull() || model.ACLs.IsUnknown()) {
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diags = model.ACLs.ElementsAs(ctx, &acls, false)
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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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// Update ACLs
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err := updateACLs(ctx, projectId, instanceId, acls, r.client)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating instance", fmt.Sprintf("Updating ACLs: %v", err))
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return
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}
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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, "Error updating instance", fmt.Sprintf("Calling API: %v", err))
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return
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}
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aclList, err := r.client.ListACLs(ctx, projectId, instanceId).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating instance", fmt.Sprintf("Calling API for ACLs data: %v", err))
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return
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}
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// Map response body to schema
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err = mapFields(instanceResp, aclList, &model)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating instance", fmt.Sprintf("Processing API payload: %v", err))
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return
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}
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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, "Secrets Manager instance updated")
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}
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// Delete deletes the resource and removes the Terraform state on success.
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func (r *instanceResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) { // nolint:gocritic // function signature required by Terraform
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// Retrieve values from state
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var model Model
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diags := req.State.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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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "instance_id", instanceId)
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// Delete existing instance
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err := r.client.DeleteInstance(ctx, projectId, instanceId).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error deleting instance", fmt.Sprintf("Calling API: %v", err))
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return
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}
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tflog.Info(ctx, "Secrets Manager instance deleted")
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}
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// ImportState imports a resource into the Terraform state on success.
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// The expected format of the resource import identifier is: project_id,instance_id
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func (r *instanceResource) ImportState(ctx context.Context, req resource.ImportStateRequest, resp *resource.ImportStateResponse) {
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idParts := strings.Split(req.ID, core.Separator)
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if len(idParts) != 2 || idParts[0] == "" || idParts[1] == "" {
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core.LogAndAddError(ctx, &resp.Diagnostics,
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"Error importing instance",
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fmt.Sprintf("Expected import identifier with format: [project_id],[instance_id] Got: %q", req.ID),
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)
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return
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}
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resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("project_id"), idParts[0])...)
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resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("instance_id"), idParts[1])...)
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tflog.Info(ctx, "Secrets Manager instance state imported")
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}
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func mapFields(instance *secretsmanager.Instance, aclList *secretsmanager.ListACLsResponse, model *Model) error {
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if instance == nil {
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return fmt.Errorf("response input 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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var instanceId string
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if model.InstanceId.ValueString() != "" {
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instanceId = model.InstanceId.ValueString()
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} else if instance.Id != nil {
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instanceId = *instance.Id
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} else {
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return fmt.Errorf("instance id not present")
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}
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model.Id = utils.BuildInternalTerraformId(model.ProjectId.ValueString(), instanceId)
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model.InstanceId = types.StringValue(instanceId)
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model.Name = types.StringPointerValue(instance.Name)
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err := mapACLs(aclList, model)
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if err != nil {
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return err
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}
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return nil
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}
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func mapACLs(aclList *secretsmanager.ListACLsResponse, model *Model) error {
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if aclList == nil {
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return fmt.Errorf("nil ACL list")
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}
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if aclList.Acls == nil || len(*aclList.Acls) == 0 {
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model.ACLs = types.SetNull(types.StringType)
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return nil
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}
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acls := []attr.Value{}
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for _, acl := range *aclList.Acls {
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acls = append(acls, types.StringValue(*acl.Cidr))
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}
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aclsList, diags := types.SetValue(types.StringType, acls)
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if diags.HasError() {
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return fmt.Errorf("mapping ACLs: %w", core.DiagsToError(diags))
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}
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model.ACLs = aclsList
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return nil
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}
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func toCreatePayload(model *Model) (*secretsmanager.CreateInstancePayload, error) {
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if model == nil {
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return nil, fmt.Errorf("nil model")
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}
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return &secretsmanager.CreateInstancePayload{
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Name: conversion.StringValueToPointer(model.Name),
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}, nil
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}
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// updateACLs creates and deletes ACLs so that the instance's ACLs are the ones in the model
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func updateACLs(ctx context.Context, projectId, instanceId string, acls []string, client *secretsmanager.APIClient) error {
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// Get ACLs current state
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currentACLsResp, err := client.ListACLs(ctx, projectId, instanceId).Execute()
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if err != nil {
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return fmt.Errorf("fetching current ACLs: %w", err)
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}
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type aclState struct {
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isInModel bool
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isCreated bool
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id string
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}
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aclsState := make(map[string]*aclState)
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for _, cidr := range acls {
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aclsState[cidr] = &aclState{
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isInModel: true,
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}
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}
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for _, acl := range *currentACLsResp.Acls {
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cidr := *acl.Cidr
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if _, ok := aclsState[cidr]; !ok {
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aclsState[cidr] = &aclState{}
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}
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aclsState[cidr].isCreated = true
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aclsState[cidr].id = *acl.Id
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}
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// Create/delete ACLs
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for cidr, state := range aclsState {
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if state.isInModel && !state.isCreated {
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payload := secretsmanager.CreateACLPayload{
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Cidr: sdkUtils.Ptr(cidr),
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}
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_, err := client.CreateACL(ctx, projectId, instanceId).CreateACLPayload(payload).Execute()
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if err != nil {
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return fmt.Errorf("creating ACL '%v': %w", cidr, err)
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}
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}
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if !state.isInModel && state.isCreated {
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err := client.DeleteACL(ctx, projectId, instanceId, state.id).Execute()
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if err != nil {
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return fmt.Errorf("deleting ACL '%v': %w", cidr, err)
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}
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}
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}
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return nil
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}
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