389 lines
15 KiB
Go
389 lines
15 KiB
Go
package publicipassociate
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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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iaasUtils "github.com/stackitcloud/terraform-provider-stackit/stackit/internal/services/iaas/utils"
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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/iaas"
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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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)
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// Ensure the implementation satisfies the expected interfaces.
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var (
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_ resource.Resource = &publicIpAssociateResource{}
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_ resource.ResourceWithConfigure = &publicIpAssociateResource{}
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_ resource.ResourceWithImportState = &publicIpAssociateResource{}
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_ resource.ResourceWithModifyPlan = &publicIpAssociateResource{}
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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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ProjectId types.String `tfsdk:"project_id"`
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Region types.String `tfsdk:"region"`
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PublicIpId types.String `tfsdk:"public_ip_id"`
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Ip types.String `tfsdk:"ip"`
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NetworkInterfaceId types.String `tfsdk:"network_interface_id"`
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}
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// NewPublicIpAssociateResource is a helper function to simplify the provider implementation.
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func NewPublicIpAssociateResource() resource.Resource {
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return &publicIpAssociateResource{}
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}
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// publicIpAssociateResource is the resource implementation.
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type publicIpAssociateResource struct {
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client *iaas.APIClient
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providerData core.ProviderData
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}
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// Metadata returns the resource type name.
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func (r *publicIpAssociateResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_public_ip_associate"
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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 *publicIpAssociateResource) 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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// Configure adds the provider configured client to the resource.
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func (r *publicIpAssociateResource) Configure(ctx context.Context, req resource.ConfigureRequest, resp *resource.ConfigureResponse) {
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var ok bool
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r.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 := iaasUtils.ConfigureClient(ctx, &r.providerData, &resp.Diagnostics)
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if resp.Diagnostics.HasError() {
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return
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}
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core.LogAndAddWarning(ctx, &resp.Diagnostics, "The `stackit_public_ip_associate` resource should not be used together with the `stackit_public_ip` resource for the same public IP or for the same network interface.",
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"Using both resources together for the same public IP or network interface WILL lead to conflicts, as they both have control of the public IP and network interface association.")
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r.client = apiClient
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tflog.Info(ctx, "iaas client configured")
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}
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// Schema defines the schema for the resource.
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func (r *publicIpAssociateResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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descriptions := map[string]string{
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"main": "Associates an existing public IP to a network interface. " +
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"This is useful for situations where you have a pre-allocated public IP or unable to use the `stackit_public_ip` resource to create a new public IP. " +
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"Must have a `region` specified in the provider configuration.",
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"warning_message": "The `stackit_public_ip_associate` resource should not be used together with the `stackit_public_ip` resource for the same public IP or for the same network interface. \n" +
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"Using both resources together for the same public IP or network interface WILL lead to conflicts, as they both have control of the public IP and network interface association.",
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}
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resp.Schema = schema.Schema{
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MarkdownDescription: fmt.Sprintf("%s\n\n!> %s", descriptions["main"], descriptions["warning_message"]),
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Description: fmt.Sprintf("%s\n\n%s", descriptions["main"], descriptions["warning_message"]),
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Attributes: map[string]schema.Attribute{
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"id": schema.StringAttribute{
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Description: "Terraform's internal resource ID. It is structured as \"`project_id`,`region`,`public_ip_id`,`network_interface_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 public IP 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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Description: "The resource region. If not defined, the provider region is used.",
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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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PlanModifiers: []planmodifier.String{
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stringplanmodifier.RequiresReplace(),
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},
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},
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"public_ip_id": schema.StringAttribute{
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Description: "The public IP 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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"ip": schema.StringAttribute{
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Description: "The IP address.",
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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.IP(false),
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},
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},
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"network_interface_id": schema.StringAttribute{
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Description: "The ID of the network interface (or virtual IP) to which the public IP should be attached to.",
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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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},
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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 *publicIpAssociateResource) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) { // nolint:gocritic // function signature required by Terraform
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// Retrieve values from plan
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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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publicIpId := model.PublicIpId.ValueString()
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networkInterfaceId := model.NetworkInterfaceId.ValueString()
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ctx = core.InitProviderContext(ctx)
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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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ctx = tflog.SetField(ctx, "public_ip_id", publicIpId)
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ctx = tflog.SetField(ctx, "network_interface_id", networkInterfaceId)
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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 associating public IP to network interface", fmt.Sprintf("Creating API payload: %v", err))
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return
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}
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// Update existing public IP
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updatedPublicIp, err := r.client.UpdatePublicIP(ctx, projectId, region, publicIpId).UpdatePublicIPPayload(*payload).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error associating public IP to network interface", fmt.Sprintf("Calling API: %v", err))
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return
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}
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ctx = core.LogResponse(ctx)
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err = mapFields(updatedPublicIp, &model, region)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error associating public IP to network interface", 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, "public IP associated to network interface")
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}
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// Read refreshes the Terraform state with the latest data.
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func (r *publicIpAssociateResource) 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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region := r.providerData.GetRegionWithOverride(model.Region)
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publicIpId := model.PublicIpId.ValueString()
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networkInterfaceId := model.NetworkInterfaceId.ValueString()
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ctx = core.InitProviderContext(ctx)
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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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ctx = tflog.SetField(ctx, "public_ip_id", publicIpId)
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ctx = tflog.SetField(ctx, "network_interface_id", networkInterfaceId)
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publicIpResp, err := r.client.GetPublicIP(ctx, projectId, region, publicIpId).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 public IP association", fmt.Sprintf("Calling API: %v", err))
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return
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}
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ctx = core.LogResponse(ctx)
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// Map response body to schema
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err = mapFields(publicIpResp, &model, region)
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading public IP association", 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, "public IP associate 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 *publicIpAssociateResource) Update(_ context.Context, _ resource.UpdateRequest, _ *resource.UpdateResponse) { // nolint:gocritic // function signature required by Terraform
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// Update is not supported, all fields require replace
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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 *publicIpAssociateResource) 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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region := r.providerData.GetRegionWithOverride(model.Region)
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publicIpId := model.PublicIpId.ValueString()
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networkInterfaceId := model.NetworkInterfaceId.ValueString()
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ctx = core.InitProviderContext(ctx)
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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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ctx = tflog.SetField(ctx, "public_ip_id", publicIpId)
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ctx = tflog.SetField(ctx, "network_interface_id", networkInterfaceId)
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payload := &iaas.UpdatePublicIPPayload{
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NetworkInterface: iaas.NewNullableString(nil),
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}
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_, err := r.client.UpdatePublicIP(ctx, projectId, region, publicIpId).UpdatePublicIPPayload(*payload).Execute()
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if err != nil {
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core.LogAndAddError(ctx, &resp.Diagnostics, "Error deleting public IP association", fmt.Sprintf("Calling API: %v", err))
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return
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}
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ctx = core.LogResponse(ctx)
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tflog.Info(ctx, "public IP association 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,public_ip_id
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func (r *publicIpAssociateResource) 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) != 4 || idParts[0] == "" || idParts[1] == "" || idParts[2] == "" || idParts[3] == "" {
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core.LogAndAddError(ctx, &resp.Diagnostics,
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"Error importing public IP associate",
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fmt.Sprintf("Expected import identifier with format: [project_id],[region],[public_ip_id],[network_interface_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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"public_ip_id": idParts[2],
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"network_interface_id": idParts[3],
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})
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tflog.Info(ctx, "public IP state imported")
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}
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func mapFields(publicIpResp *iaas.PublicIp, model *Model, region string) error {
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if publicIpResp == 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 publicIpId string
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if model.PublicIpId.ValueString() != "" {
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publicIpId = model.PublicIpId.ValueString()
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} else if publicIpResp.Id != nil {
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publicIpId = *publicIpResp.Id
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} else {
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return fmt.Errorf("public IP id not present")
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}
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if publicIpResp.NetworkInterface != nil {
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model.NetworkInterfaceId = types.StringPointerValue(publicIpResp.GetNetworkInterface())
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} else {
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model.NetworkInterfaceId = types.StringNull()
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}
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model.Id = utils.BuildInternalTerraformId(
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model.ProjectId.ValueString(), region, publicIpId, model.NetworkInterfaceId.ValueString(),
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)
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model.Region = types.StringValue(region)
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model.PublicIpId = types.StringValue(publicIpId)
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model.Ip = types.StringPointerValue(publicIpResp.Ip)
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return nil
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}
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func toCreatePayload(model *Model) (*iaas.UpdatePublicIPPayload, 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 &iaas.UpdatePublicIPPayload{
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NetworkInterface: iaas.NewNullableString(conversion.StringValueToPointer(model.NetworkInterfaceId)),
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}, nil
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}
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