terraform-provider-stackitp.../stackit/internal/services/iaas/networkinterfaceattach/resource.go
Ruben Hönle 53a3697850
feat(iaas): support for v2 API (#1070)
relates to STACKITTPR-313
2025-12-17 15:40:46 +01:00

328 lines
12 KiB
Go

package networkinterfaceattach
import (
"context"
"fmt"
"net/http"
"strings"
"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/utils"
"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/conversion"
iaasUtils "github.com/stackitcloud/terraform-provider-stackit/stackit/internal/services/iaas/utils"
"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/iaas"
"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/core"
"github.com/stackitcloud/terraform-provider-stackit/stackit/internal/validate"
)
// Ensure the implementation satisfies the expected interfaces.
var (
_ resource.Resource = &networkInterfaceAttachResource{}
_ resource.ResourceWithConfigure = &networkInterfaceAttachResource{}
_ resource.ResourceWithImportState = &networkInterfaceAttachResource{}
_ resource.ResourceWithModifyPlan = &networkInterfaceAttachResource{}
)
type Model struct {
Id types.String `tfsdk:"id"` // needed by TF
ProjectId types.String `tfsdk:"project_id"`
Region types.String `tfsdk:"region"`
ServerId types.String `tfsdk:"server_id"`
NetworkInterfaceId types.String `tfsdk:"network_interface_id"`
}
// NewNetworkInterfaceAttachResource is a helper function to simplify the provider implementation.
func NewNetworkInterfaceAttachResource() resource.Resource {
return &networkInterfaceAttachResource{}
}
// networkInterfaceAttachResource is the resource implementation.
type networkInterfaceAttachResource struct {
client *iaas.APIClient
providerData core.ProviderData
}
// Metadata returns the resource type name.
func (r *networkInterfaceAttachResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
resp.TypeName = req.ProviderTypeName + "_server_network_interface_attach"
}
// ModifyPlan implements resource.ResourceWithModifyPlan.
// Use the modifier to set the effective region in the current plan.
func (r *networkInterfaceAttachResource) 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
}
}
// Configure adds the provider configured client to the resource.
func (r *networkInterfaceAttachResource) Configure(ctx context.Context, req resource.ConfigureRequest, resp *resource.ConfigureResponse) {
var ok bool
r.providerData, ok = conversion.ParseProviderData(ctx, req.ProviderData, &resp.Diagnostics)
if !ok {
return
}
apiClient := iaasUtils.ConfigureClient(ctx, &r.providerData, &resp.Diagnostics)
if resp.Diagnostics.HasError() {
return
}
r.client = apiClient
tflog.Info(ctx, "iaas client configured")
}
// Schema defines the schema for the resource.
func (r *networkInterfaceAttachResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
description := "Network interface attachment resource schema. Attaches a network interface to a server. The attachment only takes full effect after server reboot."
resp.Schema = schema.Schema{
MarkdownDescription: description,
Description: description,
Attributes: map[string]schema.Attribute{
"id": schema.StringAttribute{
Description: "Terraform's internal resource ID. It is structured as \"`project_id`,`region`,`server_id`,`network_interface_id`\".",
Computed: true,
PlanModifiers: []planmodifier.String{
stringplanmodifier.UseStateForUnknown(),
},
},
"project_id": schema.StringAttribute{
Description: "STACKIT project ID to which the network interface attachment is associated.",
Required: true,
PlanModifiers: []planmodifier.String{
stringplanmodifier.RequiresReplace(),
},
Validators: []validator.String{
validate.UUID(),
validate.NoSeparator(),
},
},
"region": schema.StringAttribute{
Description: "The resource region. If not defined, the provider region is used.",
Optional: true,
// must be computed to allow for storing the override value from the provider
Computed: true,
PlanModifiers: []planmodifier.String{
stringplanmodifier.RequiresReplace(),
},
},
"server_id": schema.StringAttribute{
Description: "The server ID.",
Required: true,
PlanModifiers: []planmodifier.String{
stringplanmodifier.RequiresReplace(),
},
Validators: []validator.String{
validate.UUID(),
validate.NoSeparator(),
},
},
"network_interface_id": schema.StringAttribute{
Description: "The network interface ID.",
Required: true,
PlanModifiers: []planmodifier.String{
stringplanmodifier.RequiresReplace(),
},
Validators: []validator.String{
validate.UUID(),
validate.NoSeparator(),
},
},
},
}
}
// Create creates the resource and sets the initial Terraform state.
func (r *networkInterfaceAttachResource) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) { // nolint:gocritic // function signature required by Terraform
// Retrieve values from plan
var model Model
diags := req.Plan.Get(ctx, &model)
resp.Diagnostics.Append(diags...)
if resp.Diagnostics.HasError() {
return
}
ctx = core.InitProviderContext(ctx)
projectId := model.ProjectId.ValueString()
region := r.providerData.GetRegionWithOverride(model.Region)
serverId := model.ServerId.ValueString()
networkInterfaceId := model.NetworkInterfaceId.ValueString()
ctx = tflog.SetField(ctx, "project_id", projectId)
ctx = tflog.SetField(ctx, "region", region)
ctx = tflog.SetField(ctx, "server_id", serverId)
ctx = tflog.SetField(ctx, "network_interface_id", networkInterfaceId)
// Create new network interface attachment
err := r.client.AddNicToServer(ctx, projectId, region, serverId, networkInterfaceId).Execute()
if err != nil {
core.LogAndAddError(ctx, &resp.Diagnostics, "Error attaching network interface to server", fmt.Sprintf("Calling API: %v", err))
return
}
ctx = core.LogResponse(ctx)
model.Id = utils.BuildInternalTerraformId(projectId, region, serverId, networkInterfaceId)
model.Region = types.StringValue(region)
// Set state to fully populated data
diags = resp.State.Set(ctx, model)
resp.Diagnostics.Append(diags...)
if resp.Diagnostics.HasError() {
return
}
tflog.Info(ctx, "Network interface attachment created")
}
// Read refreshes the Terraform state with the latest data.
func (r *networkInterfaceAttachResource) 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
}
ctx = core.InitProviderContext(ctx)
projectId := model.ProjectId.ValueString()
region := r.providerData.GetRegionWithOverride(model.Region)
serverId := model.ServerId.ValueString()
networkInterfaceId := model.NetworkInterfaceId.ValueString()
ctx = tflog.SetField(ctx, "project_id", projectId)
ctx = tflog.SetField(ctx, "server_id", serverId)
ctx = tflog.SetField(ctx, "network_interface_id", networkInterfaceId)
nics, err := r.client.ListServerNICs(ctx, projectId, region, serverId).Execute()
if err != nil {
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
if ok && oapiErr.StatusCode == http.StatusNotFound {
resp.State.RemoveResource(ctx)
return
}
core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading network interface attachment", fmt.Sprintf("Calling API: %v", err))
return
}
ctx = core.LogResponse(ctx)
if nics == nil {
core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading network interface attachment", "List of network interfaces attached to the server is nil")
return
}
if nics.Items != nil {
for _, nic := range *nics.Items {
if nic.Id == nil || (nic.Id != nil && *nic.Id != networkInterfaceId) {
continue
}
model.Id = utils.BuildInternalTerraformId(projectId, region, serverId, networkInterfaceId)
model.Region = types.StringValue(region)
// Set refreshed state
diags = resp.State.Set(ctx, model)
resp.Diagnostics.Append(diags...)
if resp.Diagnostics.HasError() {
return
}
tflog.Info(ctx, "Network interface attachment read")
return
}
}
// no matching network interface was found, the attachment no longer exists
resp.State.RemoveResource(ctx)
}
// Update updates the resource and sets the updated Terraform state on success.
func (r *networkInterfaceAttachResource) Update(_ context.Context, _ resource.UpdateRequest, _ *resource.UpdateResponse) { // nolint:gocritic // function signature required by Terraform
// Update is not supported, all fields require replace
}
// Delete deletes the resource and removes the Terraform state on success.
func (r *networkInterfaceAttachResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) { // nolint:gocritic // function signature required by Terraform
// Retrieve values from state
var model Model
diags := req.State.Get(ctx, &model)
resp.Diagnostics.Append(diags...)
if resp.Diagnostics.HasError() {
return
}
ctx = core.InitProviderContext(ctx)
projectId := model.ProjectId.ValueString()
region := r.providerData.GetRegionWithOverride(model.Region)
serverId := model.ServerId.ValueString()
network_interfaceId := model.NetworkInterfaceId.ValueString()
ctx = tflog.SetField(ctx, "project_id", projectId)
ctx = tflog.SetField(ctx, "region", region)
ctx = tflog.SetField(ctx, "server_id", serverId)
ctx = tflog.SetField(ctx, "network_interface_id", network_interfaceId)
// Remove network_interface from server
err := r.client.RemoveNicFromServer(ctx, projectId, region, serverId, network_interfaceId).Execute()
if err != nil {
core.LogAndAddError(ctx, &resp.Diagnostics, "Error removing network interface from server", fmt.Sprintf("Calling API: %v", err))
return
}
ctx = core.LogResponse(ctx)
tflog.Info(ctx, "Network interface attachment deleted")
}
// ImportState imports a resource into the Terraform state on success.
// The expected format of the resource import identifier is: project_id,server_id
func (r *networkInterfaceAttachResource) ImportState(ctx context.Context, req resource.ImportStateRequest, resp *resource.ImportStateResponse) {
idParts := strings.Split(req.ID, core.Separator)
if len(idParts) != 4 || idParts[0] == "" || idParts[1] == "" || idParts[2] == "" || idParts[3] == "" {
core.LogAndAddError(ctx, &resp.Diagnostics,
"Error importing network_interface attachment",
fmt.Sprintf("Expected import identifier with format: [project_id],[region],[server_id],[network_interface_id] Got: %q", req.ID),
)
return
}
utils.SetAndLogStateFields(ctx, &resp.Diagnostics, &resp.State, map[string]interface{}{
"project_id": idParts[0],
"region": idParts[1],
"server_id": idParts[2],
"network_interface_id": idParts[3],
})
tflog.Info(ctx, "Network interface attachment state imported")
}