353 lines
12 KiB
Go
353 lines
12 KiB
Go
package kms
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"strings"
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"time"
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"github.com/hashicorp/terraform-plugin-framework-validators/stringvalidator"
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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/schema/validator"
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"github.com/hashicorp/terraform-plugin-framework/types"
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"github.com/hashicorp/terraform-plugin-log/tflog"
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"github.com/stackitcloud/stackit-sdk-go/core/oapierror"
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"github.com/stackitcloud/stackit-sdk-go/services/kms"
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"github.com/stackitcloud/stackit-sdk-go/services/kms/wait"
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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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kmsUtils "github.com/stackitcloud/terraform-provider-stackit/stackit/internal/services/kms/utils"
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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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)
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const (
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deletionWarning = "Keyrings will **not** be destroyed by terraform during a `terraform destroy`. They will just be thrown out of the Terraform state and not deleted on API side. **This way we can ensure no keyring setups are deleted by accident and it gives you the option to recover your keys within the grace period.**"
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)
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var (
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_ resource.Resource = &keyRingResource{}
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_ resource.ResourceWithConfigure = &keyRingResource{}
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_ resource.ResourceWithImportState = &keyRingResource{}
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_ resource.ResourceWithModifyPlan = &keyRingResource{}
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)
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type Model struct {
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Description types.String `tfsdk:"description"`
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DisplayName types.String `tfsdk:"display_name"`
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KeyRingId types.String `tfsdk:"keyring_id"`
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Id types.String `tfsdk:"id"` // needed by TF
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ProjectId types.String `tfsdk:"project_id"`
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Region types.String `tfsdk:"region"`
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}
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func NewKeyRingResource() resource.Resource {
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return &keyRingResource{}
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}
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type keyRingResource struct {
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client *kms.APIClient
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providerData core.ProviderData
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}
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func (r *keyRingResource) Metadata(_ context.Context, request resource.MetadataRequest, response *resource.MetadataResponse) {
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response.TypeName = request.ProviderTypeName + "_kms_keyring"
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}
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func (r *keyRingResource) Configure(ctx context.Context, request resource.ConfigureRequest, response *resource.ConfigureResponse) {
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var ok bool
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r.providerData, ok = conversion.ParseProviderData(ctx, request.ProviderData, &response.Diagnostics)
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if !ok {
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return
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}
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r.client = kmsUtils.ConfigureClient(ctx, &r.providerData, &response.Diagnostics)
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if response.Diagnostics.HasError() {
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return
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}
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tflog.Info(ctx, "KMS client configured")
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}
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// ModifyPlan implements resource.ResourceWithModifyPlan.
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// Use the modifier to set the effective region in the current plan.
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func (r *keyRingResource) ModifyPlan(ctx context.Context, req resource.ModifyPlanRequest, resp *resource.ModifyPlanResponse) { // nolint:gocritic // function signature required by Terraform
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var configModel Model
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// skip initial empty configuration to avoid follow-up errors
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if req.Config.Raw.IsNull() {
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return
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}
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resp.Diagnostics.Append(req.Config.Get(ctx, &configModel)...)
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if resp.Diagnostics.HasError() {
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return
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}
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var planModel Model
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resp.Diagnostics.Append(req.Plan.Get(ctx, &planModel)...)
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if resp.Diagnostics.HasError() {
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return
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}
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utils.AdaptRegion(ctx, configModel.Region, &planModel.Region, r.providerData.GetRegion(), resp)
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if resp.Diagnostics.HasError() {
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return
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}
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resp.Diagnostics.Append(resp.Plan.Set(ctx, planModel)...)
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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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func (r *keyRingResource) Schema(_ context.Context, _ resource.SchemaRequest, response *resource.SchemaResponse) {
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description := fmt.Sprintf("KMS Keyring resource schema. %s", core.ResourceRegionFallbackDocstring)
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response.Schema = schema.Schema{
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Description: description,
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MarkdownDescription: fmt.Sprintf("%s\n\n ~> %s", description, deletionWarning),
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Attributes: map[string]schema.Attribute{
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"description": schema.StringAttribute{
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Description: "A user chosen description to distinguish multiple keyrings.",
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Optional: true,
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PlanModifiers: []planmodifier.String{
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stringplanmodifier.RequiresReplace(),
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},
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},
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"display_name": schema.StringAttribute{
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Description: "The display name to distinguish multiple keyrings.",
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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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"keyring_id": schema.StringAttribute{
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Description: "An auto generated unique id which identifies the keyring.",
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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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"id": schema.StringAttribute{
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Description: "Terraform's internal resource ID. It is structured as \"`project_id`,`region`,`keyring_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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"project_id": schema.StringAttribute{
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Description: "STACKIT project ID to which the keyring is associated.",
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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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"region": schema.StringAttribute{
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Optional: true,
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// must be computed to allow for storing the override value from the provider
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Computed: true,
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Description: "The resource region. If not defined, the provider region is used.",
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PlanModifiers: []planmodifier.String{
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stringplanmodifier.RequiresReplace(),
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},
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},
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},
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}
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}
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func (r *keyRingResource) 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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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, "region", region)
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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 keyring", fmt.Sprintf("Creating API payload: %v", err))
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return
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}
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createResponse, err := r.client.CreateKeyRing(ctx, projectId, region).CreateKeyRingPayload(*payload).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating keyring", fmt.Sprintf("Calling API: %v", err))
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return
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}
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if createResponse == nil || createResponse.Id == nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating keyring", "API returned empty response")
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return
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}
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keyRingId := *createResponse.Id
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// Write id attributes to state before polling via the wait handler - just in case anything goes wrong during the wait handler
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utils.SetAndLogStateFields(ctx, &resp.Diagnostics, &resp.State, map[string]any{
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"project_id": projectId,
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"region": region,
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"keyring_id": keyRingId,
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})
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waitResp, err := wait.CreateKeyRingWaitHandler(ctx, r.client, projectId, region, keyRingId).SetSleepBeforeWait(5 * time.Second).WaitWithContext(ctx)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating keyring", fmt.Sprintf("Key Ring creation waiting: %v", err))
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return
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}
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err = mapFields(waitResp, &model, region)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating keyring", 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, "Key Ring created")
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}
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func (r *keyRingResource) 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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keyRingId := model.KeyRingId.ValueString()
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region := r.providerData.GetRegionWithOverride(model.Region)
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ctx = tflog.SetField(ctx, "keyring_id", keyRingId)
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ctx = tflog.SetField(ctx, "project_id", projectId)
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ctx = tflog.SetField(ctx, "region", region)
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keyRingResponse, err := r.client.GetKeyRing(ctx, projectId, region, keyRingId).Execute()
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if err != nil {
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var oapiErr *oapierror.GenericOpenAPIError
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ok := errors.As(err, &oapiErr)
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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 keyring", fmt.Sprintf("Calling API: %v", err))
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return
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}
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err = mapFields(keyRingResponse, &model, region)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading keyring", 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, "Key ring read")
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}
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func (r *keyRingResource) Update(ctx context.Context, _ resource.UpdateRequest, resp *resource.UpdateResponse) { // nolint:gocritic // function signature required by Terraform
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// keyrings cannot be updated, so we log an error.
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating keyring", "Keyrings can't be updated")
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}
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func (r *keyRingResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) { // 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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// The keyring can't be deleted by Terraform because it potentially has still keys inside it.
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// These keys might be *scheduled* for deletion, but aren't deleted completely, so the delete request would fail.
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core.LogAndAddWarning(ctx, &resp.Diagnostics, "Keyring not deleted on API side", deletionWarning)
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tflog.Info(ctx, "keyring deleted")
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}
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func (r *keyRingResource) 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) != 3 || idParts[0] == "" || idParts[1] == "" || idParts[2] == "" {
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core.LogAndAddError(ctx, &resp.Diagnostics,
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"Error importing keyring",
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fmt.Sprintf("Exptected import identifier with format: [project_id],[region],[keyring_id], got :%q", req.ID),
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)
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return
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}
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utils.SetAndLogStateFields(ctx, &resp.Diagnostics, &resp.State, map[string]any{
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"project_id": idParts[0],
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"region": idParts[1],
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"keyring_id": idParts[2],
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})
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tflog.Info(ctx, "keyring state imported")
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}
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func mapFields(keyRing *kms.KeyRing, model *Model, region string) error {
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if keyRing == 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 keyRingId string
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if model.KeyRingId.ValueString() != "" {
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keyRingId = model.KeyRingId.ValueString()
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} else if keyRing.Id != nil {
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keyRingId = *keyRing.Id
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} else {
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return fmt.Errorf("keyring id not present")
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}
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model.Id = utils.BuildInternalTerraformId(model.ProjectId.ValueString(), region, keyRingId)
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model.KeyRingId = types.StringValue(keyRingId)
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model.DisplayName = types.StringPointerValue(keyRing.DisplayName)
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model.Region = types.StringValue(region)
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// TODO: workaround - remove once STACKITKMS-377 is resolved (just write the return value from the API to the state then)
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if !(model.Description.IsNull() && keyRing.Description != nil && *keyRing.Description == "") {
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model.Description = types.StringPointerValue(keyRing.Description)
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} else {
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model.Description = types.StringNull()
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}
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return nil
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}
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func toCreatePayload(model *Model) (*kms.CreateKeyRingPayload, 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 &kms.CreateKeyRingPayload{
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Description: conversion.StringValueToPointer(model.Description),
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DisplayName: conversion.StringValueToPointer(model.DisplayName),
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}, nil
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}
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