terraform-provider-stackitp.../stackit/internal/services/kms/keyring/resource.go
Ruben Hönle edf22a6193
feat(kms): add keyring resource and datasource (#1049)
relates to STACKITTPR-410
2025-11-12 13:10:58 +00:00

353 lines
12 KiB
Go

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