Archived
780 lines
28 KiB
Go
780 lines
28 KiB
Go
package provider
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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"
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"net/netip"
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"strconv"
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"strings"
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"time"
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"github.com/hashicorp/terraform-plugin-framework-validators/int64validator"
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"github.com/hashicorp/terraform-plugin-framework-validators/stringvalidator"
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"github.com/hashicorp/terraform-plugin-framework/diag"
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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/booldefault"
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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/dynu/terraform-provider-dynu/internal/dynuclient"
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)
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var (
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_ resource.Resource = &dnsRecordResource{}
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_ resource.ResourceWithConfigure = &dnsRecordResource{}
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_ resource.ResourceWithImportState = &dnsRecordResource{}
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_ resource.ResourceWithValidateConfig = &dnsRecordResource{}
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)
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type dnsRecordResource struct {
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clientProvider *providerData
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}
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type dnsRecordResourceModel struct {
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ID types.String `tfsdk:"id"`
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Hostname types.String `tfsdk:"hostname"`
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RecordType types.String `tfsdk:"record_type"`
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Content types.String `tfsdk:"content"`
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Dynamic types.Bool `tfsdk:"dynamic"`
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TTL types.Int64 `tfsdk:"ttl"`
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Enabled types.Bool `tfsdk:"enabled"`
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Group types.String `tfsdk:"group"`
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Host types.String `tfsdk:"host"`
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Priority types.Int64 `tfsdk:"priority"`
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Weight types.Int64 `tfsdk:"weight"`
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Port types.Int64 `tfsdk:"port"`
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Flags types.Int64 `tfsdk:"flags"`
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Tag types.String `tfsdk:"tag"`
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Value types.String `tfsdk:"value"`
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NodeName types.String `tfsdk:"node_name"`
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DomainID types.Int64 `tfsdk:"domain_id"`
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DomainName types.String `tfsdk:"domain_name"`
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UpdatedOn types.String `tfsdk:"updated_on"`
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}
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func NewDNSRecordResource() resource.Resource {
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return &dnsRecordResource{}
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}
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func (r *dnsRecordResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_dns_record"
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}
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func (r *dnsRecordResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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resp.Schema = schema.Schema{
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Description: "Manages a Dynu DNS record for the root domain resolved from hostname.",
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Attributes: map[string]schema.Attribute{
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"id": schema.StringAttribute{Computed: true, Description: "Resource identifier in domain_id/record_id format."},
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"hostname": schema.StringAttribute{
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Required: true,
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Description: "Fully-qualified hostname under the target root domain.",
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Validators: []validator.String{
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stringvalidator.LengthAtLeast(1),
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stringvalidator.RegexMatches(hostnameValidator, "must be a valid fully-qualified hostname"),
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},
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},
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"record_type": schema.StringAttribute{Required: true, Description: "DNS record type (A, AAAA, CNAME, TXT, etc.).", Validators: []validator.String{stringvalidator.LengthAtLeast(1)}},
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"content": schema.StringAttribute{Optional: true, Computed: true, Description: "Record content/value for static records. Omit for A/AAAA dynamic intent."},
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"dynamic": schema.BoolAttribute{Optional: true, Computed: true, Description: "Whether A/AAAA should use Dynu dynamic IP semantics. Defaults to true when content is omitted for A/AAAA."},
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"ttl": schema.Int64Attribute{
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Optional: true,
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Computed: true,
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Description: "DNS TTL in seconds.",
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Validators: []validator.Int64{int64validator.AtLeast(0)},
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},
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"enabled": schema.BoolAttribute{Optional: true, Computed: true, Default: booldefault.StaticBool(true), Description: "Whether this DNS record is enabled/active."},
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"group": schema.StringAttribute{Optional: true, Computed: true, Description: "Dynu group value for this record."},
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"host": schema.StringAttribute{Optional: true, Computed: true, Description: "Host field for supported Dynu record types."},
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"priority": schema.Int64Attribute{Optional: true, Computed: true, Description: "Priority value used by MX/SRV records."},
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"weight": schema.Int64Attribute{Optional: true, Computed: true, Description: "Weight value used by SRV records."},
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"port": schema.Int64Attribute{Optional: true, Computed: true, Description: "Port value used by SRV records."},
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"flags": schema.Int64Attribute{Optional: true, Computed: true, Description: "Flags value used by CAA records."},
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"tag": schema.StringAttribute{Optional: true, Computed: true, Description: "Tag value used by CAA records."},
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"value": schema.StringAttribute{Optional: true, Computed: true, Description: "Value field used by CAA records."},
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"node_name": schema.StringAttribute{Optional: true, Computed: true, Description: "Node/label portion of the record."},
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"domain_id": schema.Int64Attribute{Computed: true, Description: "Dynu domain ID resolved from hostname."},
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"domain_name": schema.StringAttribute{Computed: true, Description: "Dynu root domain name resolved from hostname."},
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"updated_on": schema.StringAttribute{Computed: true, Description: "Last update timestamp as returned by Dynu."},
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},
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}
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}
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func (r *dnsRecordResource) Configure(_ context.Context, req resource.ConfigureRequest, resp *resource.ConfigureResponse) {
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if req.ProviderData == nil {
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return
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}
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providerData, ok := req.ProviderData.(*providerData)
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if !ok {
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resp.Diagnostics.AddError("Unexpected resource configure type", fmt.Sprintf("Expected *providerData, got %T", req.ProviderData))
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return
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}
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r.clientProvider = providerData
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}
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func (r *dnsRecordResource) ValidateConfig(ctx context.Context, req resource.ValidateConfigRequest, resp *resource.ValidateConfigResponse) {
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var config dnsRecordResourceModel
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resp.Diagnostics.Append(req.Config.Get(ctx, &config)...)
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if resp.Diagnostics.HasError() {
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return
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}
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recordType, skip := knownNormalizedString(config.RecordType)
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if skip {
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return
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}
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content, contentKnown := stringPointerFromOptionalContentForValidation(config.Content)
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dynamicIntent, ok := resolveDynamicIntent(recordType, config.Content, config.Dynamic, &resp.Diagnostics)
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if !ok {
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return
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}
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validateDNSRecordContentForTypeWithKnowledge(recordType, content, contentKnown, dynamicIntent, &resp.Diagnostics)
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validateDNSRecordTTL(config.TTL, &resp.Diagnostics)
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}
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func (r *dnsRecordResource) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) {
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var plan dnsRecordResourceModel
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resp.Diagnostics.Append(req.Plan.Get(ctx, &plan)...)
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if resp.Diagnostics.HasError() {
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return
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}
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domainID, domainName, err := r.clientProvider.client.GetRootDomain(ctx, plan.Hostname.ValueString())
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if err != nil {
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resp.Diagnostics.AddError(diagnosticSummary("Unable to resolve Dynu domain from hostname", err), err.Error())
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return
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}
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recordType := strings.TrimSpace(plan.RecordType.ValueString())
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dynamicIntent, ok := resolveDynamicIntent(strings.ToUpper(recordType), plan.Content, plan.Dynamic, &resp.Diagnostics)
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if !ok {
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return
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}
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createReq := dynuclient.CreateDNSRecordRequest{
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NodeName: recordNodeName(plan.NodeName, plan.Hostname, domainName),
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RecordType: recordType,
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Content: stringPointerFromOptionalContent(plan.Content),
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TTL: int64FromOptional(plan.TTL),
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State: boolPointerFromOptional(plan.Enabled),
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Group: stringFromOptional(plan.Group),
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Host: stringFromOptional(plan.Host),
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Priority: int64FromOptional(plan.Priority),
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Weight: int64FromOptional(plan.Weight),
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Port: int64FromOptional(plan.Port),
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Flags: int64FromOptional(plan.Flags),
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Tag: stringFromOptional(plan.Tag),
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Value: stringFromOptional(plan.Value),
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}
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createReq = normalizeDNSRecordCreateRequestForType(createReq)
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if !validateDNSRecordContentForType(createReq.RecordType, createReq.Content, dynamicIntent, &resp.Diagnostics) {
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return
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}
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if !validateRecordTTLSeconds(createReq.TTL, &resp.Diagnostics) {
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return
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}
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record, err := r.clientProvider.client.CreateDNSRecord(ctx, domainID, createReq)
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if err != nil && dynamicIntent && isUnsupportedEmptyContentError(err) {
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if retryReq, retryOK := r.applyDynamicBootstrapFallback(ctx, domainID, createReq, &resp.Diagnostics); retryOK {
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record, err = r.clientProvider.client.CreateDNSRecord(ctx, domainID, retryReq)
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}
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}
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if err != nil {
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addDNSRecordWriteDiagnostic("create", createReq.RecordType, createReq.Content, err, &resp.Diagnostics)
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return
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}
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state := mapDNSRecordToState(*record, dynamicIntent)
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state.ID = types.StringValue(formatDNSRecordID(record.DomainID, record.ID))
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resp.Diagnostics.Append(resp.State.Set(ctx, &state)...)
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}
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func (r *dnsRecordResource) Read(ctx context.Context, req resource.ReadRequest, resp *resource.ReadResponse) {
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var state dnsRecordResourceModel
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resp.Diagnostics.Append(req.State.Get(ctx, &state)...)
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if resp.Diagnostics.HasError() {
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return
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}
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domainID, recordID, err := parseDNSRecordID(state.ID.ValueString())
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if err != nil {
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resp.Diagnostics.AddError("Invalid resource ID", err.Error())
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return
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}
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record, err := r.clientProvider.client.GetDNSRecord(ctx, domainID, recordID)
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if err != nil {
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var apiErr *dynuclient.APIError
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if errors.As(err, &apiErr) && apiErr.StatusCode == 404 {
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resp.State.RemoveResource(ctx)
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return
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}
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resp.Diagnostics.AddError(diagnosticSummary("Unable to read Dynu DNS record", err), err.Error())
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return
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}
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dynamicIntent := inferDynamicIntentFromState(state.RecordType, state.Content, state.Dynamic)
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nextState := mapDNSRecordToState(*record, dynamicIntent)
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nextState.ID = state.ID
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resp.Diagnostics.Append(resp.State.Set(ctx, &nextState)...)
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}
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func (r *dnsRecordResource) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) {
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var plan dnsRecordResourceModel
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var state dnsRecordResourceModel
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resp.Diagnostics.Append(req.Plan.Get(ctx, &plan)...)
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resp.Diagnostics.Append(req.State.Get(ctx, &state)...)
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if resp.Diagnostics.HasError() {
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return
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}
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domainID, recordID, err := parseDNSRecordID(state.ID.ValueString())
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if err != nil {
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resp.Diagnostics.AddError("Invalid resource ID", err.Error())
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return
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}
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domainName := ""
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if !plan.DomainName.IsNull() && !plan.DomainName.IsUnknown() {
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domainName = strings.TrimSpace(plan.DomainName.ValueString())
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}
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if domainName == "" && !state.DomainName.IsNull() && !state.DomainName.IsUnknown() {
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domainName = strings.TrimSpace(state.DomainName.ValueString())
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}
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if domainName == "" {
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_, resolvedDomainName, err := r.clientProvider.client.GetRootDomain(ctx, plan.Hostname.ValueString())
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if err != nil {
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resp.Diagnostics.AddError(diagnosticSummary("Unable to resolve Dynu domain from hostname", err), err.Error())
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return
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}
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domainName = resolvedDomainName
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}
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recordType := strings.TrimSpace(plan.RecordType.ValueString())
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dynamicIntent, ok := resolveDynamicIntent(strings.ToUpper(recordType), plan.Content, plan.Dynamic, &resp.Diagnostics)
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if !ok {
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return
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}
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updateReq := dynuclient.UpdateDNSRecordRequest{
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NodeName: recordNodeName(preferKnownString(plan.NodeName, state.NodeName), plan.Hostname, domainName),
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RecordType: recordType,
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Content: stringPointerFromOptionalContent(plan.Content),
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TTL: int64FromOptional(preferKnownInt64(plan.TTL, state.TTL)),
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State: boolPointerFromOptional(preferKnownBool(plan.Enabled, state.Enabled)),
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Group: stringFromOptional(preferKnownString(plan.Group, state.Group)),
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Host: stringFromOptional(preferKnownString(plan.Host, state.Host)),
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Priority: int64FromOptional(preferKnownInt64(plan.Priority, state.Priority)),
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Weight: int64FromOptional(preferKnownInt64(plan.Weight, state.Weight)),
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Port: int64FromOptional(preferKnownInt64(plan.Port, state.Port)),
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Flags: int64FromOptional(preferKnownInt64(plan.Flags, state.Flags)),
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Tag: stringFromOptional(preferKnownString(plan.Tag, state.Tag)),
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Value: stringFromOptional(preferKnownString(plan.Value, state.Value)),
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}
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updateReq = normalizeDNSRecordUpdateRequestForType(updateReq)
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if !validateDNSRecordContentForType(updateReq.RecordType, updateReq.Content, dynamicIntent, &resp.Diagnostics) {
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return
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}
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if !validateRecordTTLSeconds(updateReq.TTL, &resp.Diagnostics) {
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return
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}
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if _, err := r.clientProvider.client.UpdateDNSRecord(ctx, domainID, recordID, updateReq); err != nil {
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if dynamicIntent && isUnsupportedEmptyContentError(err) {
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if retryReq, retryOK := r.applyDynamicBootstrapFallback(ctx, domainID, dynuclient.CreateDNSRecordRequest{
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NodeName: updateReq.NodeName,
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RecordType: updateReq.RecordType,
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Content: updateReq.Content,
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TTL: updateReq.TTL,
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State: updateReq.State,
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Group: updateReq.Group,
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Host: updateReq.Host,
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Priority: updateReq.Priority,
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Weight: updateReq.Weight,
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Port: updateReq.Port,
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Flags: updateReq.Flags,
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Tag: updateReq.Tag,
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Value: updateReq.Value,
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}, &resp.Diagnostics); retryOK {
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updateReq.Content = retryReq.Content
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updateReq.Group = retryReq.Group
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_, err = r.clientProvider.client.UpdateDNSRecord(ctx, domainID, recordID, updateReq)
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}
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}
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if err != nil {
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addDNSRecordWriteDiagnostic("update", updateReq.RecordType, updateReq.Content, err, &resp.Diagnostics)
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return
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}
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}
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record, err := r.clientProvider.client.GetDNSRecord(ctx, domainID, recordID)
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if err != nil {
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resp.Diagnostics.AddError(diagnosticSummary("Unable to read Dynu DNS record", err), err.Error())
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return
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}
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nextState := mapDNSRecordToState(*record, dynamicIntent)
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nextState.ID = state.ID
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resp.Diagnostics.Append(resp.State.Set(ctx, &nextState)...)
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}
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func (r *dnsRecordResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) {
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var state dnsRecordResourceModel
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resp.Diagnostics.Append(req.State.Get(ctx, &state)...)
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if resp.Diagnostics.HasError() {
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return
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}
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domainID, recordID, err := parseDNSRecordID(state.ID.ValueString())
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if err != nil {
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resp.Diagnostics.AddError("Invalid resource ID", err.Error())
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return
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}
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err = r.clientProvider.client.DeleteDNSRecord(ctx, domainID, recordID)
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if err == nil {
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return
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}
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var apiErr *dynuclient.APIError
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if errors.As(err, &apiErr) && apiErr.StatusCode == 404 {
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return
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}
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resp.Diagnostics.AddError(diagnosticSummary("Unable to delete Dynu DNS record", err), err.Error())
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}
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func (r *dnsRecordResource) ImportState(ctx context.Context, req resource.ImportStateRequest, resp *resource.ImportStateResponse) {
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domainID, recordID, err := parseDNSRecordID(req.ID)
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if err != nil {
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resp.Diagnostics.AddError("Invalid import ID", err.Error())
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return
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}
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state := dnsRecordResourceModel{ID: types.StringValue(formatDNSRecordID(domainID, recordID))}
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resp.Diagnostics.Append(resp.State.Set(ctx, &state)...)
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}
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func mapDNSRecordToState(record dynuclient.DNSRecord, dynamicIntent bool) dnsRecordResourceModel {
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content := normalizeRecordContentForState(record.RecordType, record.Content, dynamicIntent, record.Host)
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return dnsRecordResourceModel{
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Hostname: mapString(record.Hostname),
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RecordType: mapString(record.RecordType),
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Content: content,
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Dynamic: types.BoolValue(dynamicIntent),
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TTL: types.Int64Value(record.TTL),
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Enabled: types.BoolValue(record.State),
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Group: mapString(record.Group),
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Host: mapString(record.Host),
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Priority: types.Int64Value(record.Priority),
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Weight: types.Int64Value(record.Weight),
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Port: types.Int64Value(record.Port),
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Flags: types.Int64Value(record.Flags),
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Tag: mapString(record.Tag),
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Value: mapString(record.Value),
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NodeName: mapString(record.NodeName),
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DomainID: types.Int64Value(record.DomainID),
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DomainName: mapString(record.DomainName),
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UpdatedOn: mapString(record.UpdatedOn),
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}
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}
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func parseDNSRecordID(id string) (int64, int64, error) {
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parts := strings.Split(strings.TrimSpace(id), "/")
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if len(parts) != 2 {
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return 0, 0, fmt.Errorf("expected import ID in domain_id/record_id format")
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}
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domainID, err := strconv.ParseInt(parts[0], 10, 64)
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if err != nil || domainID <= 0 {
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return 0, 0, fmt.Errorf("invalid domain_id in ID %q", id)
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}
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recordID, err := strconv.ParseInt(parts[1], 10, 64)
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if err != nil || recordID <= 0 {
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return 0, 0, fmt.Errorf("invalid record_id in ID %q", id)
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}
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return domainID, recordID, nil
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}
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func formatDNSRecordID(domainID int64, recordID int64) string {
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return fmt.Sprintf("%d/%d", domainID, recordID)
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}
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func recordNodeName(nodeName types.String, hostname types.String, domainName string) string {
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if !nodeName.IsNull() && !nodeName.IsUnknown() {
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return strings.TrimSpace(nodeName.ValueString())
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}
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host := strings.TrimSpace(hostname.ValueString())
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domain := strings.TrimSpace(domainName)
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if strings.EqualFold(host, domain) {
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return ""
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}
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suffix := "." + domain
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if strings.HasSuffix(strings.ToLower(host), strings.ToLower(suffix)) {
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return strings.TrimSuffix(host, suffix)
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}
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return host
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}
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func int64FromOptional(value types.Int64) int64 {
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if value.IsNull() || value.IsUnknown() {
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return 0
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}
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return value.ValueInt64()
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}
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func boolPointerFromOptional(value types.Bool) *bool {
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if value.IsNull() || value.IsUnknown() {
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return nil
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}
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v := value.ValueBool()
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return &v
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}
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func stringFromOptional(value types.String) string {
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if value.IsNull() || value.IsUnknown() {
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return ""
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}
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return strings.TrimSpace(value.ValueString())
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}
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func preferKnownString(planValue types.String, stateValue types.String) types.String {
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if !planValue.IsNull() && !planValue.IsUnknown() {
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return planValue
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}
|
|
if !stateValue.IsNull() && !stateValue.IsUnknown() {
|
|
return stateValue
|
|
}
|
|
return planValue
|
|
}
|
|
|
|
func preferKnownInt64(planValue types.Int64, stateValue types.Int64) types.Int64 {
|
|
if !planValue.IsNull() && !planValue.IsUnknown() {
|
|
return planValue
|
|
}
|
|
if !stateValue.IsNull() && !stateValue.IsUnknown() {
|
|
return stateValue
|
|
}
|
|
return planValue
|
|
}
|
|
|
|
func preferKnownBool(planValue types.Bool, stateValue types.Bool) types.Bool {
|
|
if !planValue.IsNull() && !planValue.IsUnknown() {
|
|
return planValue
|
|
}
|
|
if !stateValue.IsNull() && !stateValue.IsUnknown() {
|
|
return stateValue
|
|
}
|
|
return planValue
|
|
}
|
|
|
|
func stringPointerFromOptionalContent(value types.String) *string {
|
|
if value.IsNull() || value.IsUnknown() {
|
|
return nil
|
|
}
|
|
trimmed := strings.TrimSpace(value.ValueString())
|
|
if trimmed == "" {
|
|
return nil
|
|
}
|
|
return &trimmed
|
|
}
|
|
|
|
func stringPointerFromOptionalContentForValidation(value types.String) (*string, bool) {
|
|
if value.IsUnknown() {
|
|
return nil, false
|
|
}
|
|
return stringPointerFromOptionalContent(value), true
|
|
}
|
|
|
|
func stringPointer(value string) *string {
|
|
return &value
|
|
}
|
|
|
|
func normalizeDNSRecordCreateRequestForType(req dynuclient.CreateDNSRecordRequest) dynuclient.CreateDNSRecordRequest {
|
|
switch strings.ToUpper(strings.TrimSpace(req.RecordType)) {
|
|
case "CNAME", "NS", "PTR":
|
|
if normalizedContent := normalizeOptionalContentString(req.Content); normalizedContent != nil {
|
|
req.Host = *normalizedContent
|
|
}
|
|
case "MX":
|
|
if normalizedContent := normalizeOptionalContentString(req.Content); normalizedContent != nil {
|
|
req.Host = *normalizedContent
|
|
}
|
|
case "SRV":
|
|
if normalizedContent := normalizeOptionalContentString(req.Content); normalizedContent != nil {
|
|
req.Host = *normalizedContent
|
|
}
|
|
case "CAA":
|
|
if normalizedContent := normalizeOptionalContentString(req.Content); normalizedContent != nil && req.Value == "" {
|
|
req.Value = *normalizedContent
|
|
}
|
|
}
|
|
return req
|
|
}
|
|
|
|
func normalizeDNSRecordUpdateRequestForType(req dynuclient.UpdateDNSRecordRequest) dynuclient.UpdateDNSRecordRequest {
|
|
switch strings.ToUpper(strings.TrimSpace(req.RecordType)) {
|
|
case "CNAME", "NS", "PTR":
|
|
if normalizedContent := normalizeOptionalContentString(req.Content); normalizedContent != nil {
|
|
req.Host = *normalizedContent
|
|
}
|
|
case "MX":
|
|
if normalizedContent := normalizeOptionalContentString(req.Content); normalizedContent != nil {
|
|
req.Host = *normalizedContent
|
|
}
|
|
case "SRV":
|
|
if normalizedContent := normalizeOptionalContentString(req.Content); normalizedContent != nil {
|
|
req.Host = *normalizedContent
|
|
}
|
|
case "CAA":
|
|
if normalizedContent := normalizeOptionalContentString(req.Content); normalizedContent != nil && req.Value == "" {
|
|
req.Value = *normalizedContent
|
|
}
|
|
}
|
|
return req
|
|
}
|
|
|
|
func normalizeOptionalContentString(content *string) *string {
|
|
if content == nil {
|
|
return nil
|
|
}
|
|
trimmed := strings.TrimSpace(*content)
|
|
if trimmed == "" {
|
|
return nil
|
|
}
|
|
return &trimmed
|
|
}
|
|
|
|
func validateDNSRecordContentForType(recordType string, content *string, dynamicIntent bool, diagnostics *diag.Diagnostics) bool {
|
|
return validateDNSRecordContentForTypeWithKnowledge(recordType, content, true, dynamicIntent, diagnostics)
|
|
}
|
|
|
|
func validateDNSRecordContentForTypeWithKnowledge(recordType string, content *string, contentKnown bool, dynamicIntent bool, diagnostics *diag.Diagnostics) bool {
|
|
normalizedType := strings.ToUpper(strings.TrimSpace(recordType))
|
|
trimmedContent := ""
|
|
if content != nil {
|
|
trimmedContent = strings.TrimSpace(*content)
|
|
}
|
|
|
|
if normalizedType == "A" || normalizedType == "AAAA" {
|
|
if dynamicIntent && trimmedContent == "" {
|
|
return true
|
|
}
|
|
if trimmedContent == "" {
|
|
diagnostics.AddError(
|
|
"Missing static content for DNS record type",
|
|
fmt.Sprintf("The %q record type requires a non-empty content value unless dynamic mode is used.", normalizedType),
|
|
)
|
|
return false
|
|
}
|
|
|
|
addr, err := netip.ParseAddr(trimmedContent)
|
|
if err != nil {
|
|
diagnostics.AddError("Invalid DNS record content", fmt.Sprintf("Record type %q requires a valid IP address, got %q.", normalizedType, trimmedContent))
|
|
return false
|
|
}
|
|
if normalizedType == "A" && !addr.Is4() {
|
|
diagnostics.AddError("Invalid DNS record content", fmt.Sprintf("Record type %q requires an IPv4 address, got %q.", normalizedType, trimmedContent))
|
|
return false
|
|
}
|
|
if normalizedType == "AAAA" && !addr.Is6() {
|
|
diagnostics.AddError("Invalid DNS record content", fmt.Sprintf("Record type %q requires an IPv6 address, got %q.", normalizedType, trimmedContent))
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
if normalizedType == "CNAME" {
|
|
if net.ParseIP(trimmedContent) != nil {
|
|
diagnostics.AddError("Invalid DNS record content", fmt.Sprintf("Record type %q requires a hostname target, got IP %q.", normalizedType, trimmedContent))
|
|
return false
|
|
}
|
|
if strings.HasPrefix(strings.ToLower(trimmedContent), "http://") || strings.HasPrefix(strings.ToLower(trimmedContent), "https://") {
|
|
diagnostics.AddError("Invalid DNS record content", fmt.Sprintf("Record type %q target must not include a URL scheme: %q.", normalizedType, trimmedContent))
|
|
return false
|
|
}
|
|
}
|
|
|
|
if dynamicIntent {
|
|
diagnostics.AddError(
|
|
"Dynamic mode is only supported for A and AAAA",
|
|
fmt.Sprintf("The %q record type does not support omitted content.", normalizedType),
|
|
)
|
|
return false
|
|
}
|
|
|
|
if !contentKnown {
|
|
return true
|
|
}
|
|
|
|
if trimmedContent == "" {
|
|
diagnostics.AddError(
|
|
"Missing required content for DNS record type",
|
|
fmt.Sprintf("The %q record type requires a non-empty content value. Set the content attribute or choose a type that supports omitted content (A/AAAA).", normalizedType),
|
|
)
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
func validateDNSRecordTTL(ttl types.Int64, diagnostics *diag.Diagnostics) {
|
|
if ttl.IsNull() || ttl.IsUnknown() {
|
|
return
|
|
}
|
|
validateRecordTTLSeconds(ttl.ValueInt64(), diagnostics)
|
|
}
|
|
|
|
func validateRecordTTLSeconds(ttl int64, diagnostics *diag.Diagnostics) bool {
|
|
if ttl > 0 && ttl < int64((90*time.Second).Seconds()) {
|
|
diagnostics.AddError("Invalid TTL", fmt.Sprintf("invalid TTL %ds: Dynu requires TTL >= 90s", ttl))
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func resolveDynamicIntent(recordType string, content types.String, dynamic types.Bool, diagnostics *diag.Diagnostics) (bool, bool) {
|
|
normalizedType := strings.ToUpper(strings.TrimSpace(recordType))
|
|
contentPtr := stringPointerFromOptionalContent(content)
|
|
contentPresent := contentPtr != nil && strings.TrimSpace(*contentPtr) != ""
|
|
|
|
explicitDynamic := false
|
|
if !dynamic.IsNull() && !dynamic.IsUnknown() {
|
|
explicitDynamic = dynamic.ValueBool()
|
|
}
|
|
|
|
if normalizedType != "A" && normalizedType != "AAAA" {
|
|
if explicitDynamic {
|
|
diagnostics.AddError("Invalid dynamic setting", fmt.Sprintf("record_type %q cannot use dynamic = true.", normalizedType))
|
|
return false, false
|
|
}
|
|
return false, true
|
|
}
|
|
|
|
if contentPresent && explicitDynamic {
|
|
diagnostics.AddError("Conflicting DNS record settings", "Set either content for static records or dynamic = true/omitted content for Dynu dynamic behavior.")
|
|
return false, false
|
|
}
|
|
if contentPresent {
|
|
return false, true
|
|
}
|
|
if explicitDynamic {
|
|
return true, true
|
|
}
|
|
return true, true
|
|
}
|
|
|
|
func inferDynamicIntentFromState(recordType types.String, content types.String, dynamic types.Bool) bool {
|
|
if !dynamic.IsNull() && !dynamic.IsUnknown() {
|
|
return dynamic.ValueBool()
|
|
}
|
|
|
|
normalizedType := strings.ToUpper(strings.TrimSpace(recordType.ValueString()))
|
|
if normalizedType != "A" && normalizedType != "AAAA" {
|
|
return false
|
|
}
|
|
|
|
return content.IsNull() || (content.IsUnknown())
|
|
}
|
|
|
|
func normalizeRecordContentForState(recordType string, content string, dynamicIntent bool, host string) types.String {
|
|
if dynamicIntent {
|
|
return types.StringNull()
|
|
}
|
|
|
|
normalizedType := strings.ToUpper(strings.TrimSpace(recordType))
|
|
trimmed := strings.TrimSpace(strings.Trim(strings.TrimSpace(content), "()"))
|
|
if trimmed == "" {
|
|
return types.StringNull()
|
|
}
|
|
|
|
switch normalizedType {
|
|
case "AAAA":
|
|
if addr, err := netip.ParseAddr(trimmed); err == nil && addr.Is6() {
|
|
return types.StringValue(addr.String())
|
|
}
|
|
case "A":
|
|
if addr, err := netip.ParseAddr(trimmed); err == nil && addr.Is4() {
|
|
return types.StringValue(addr.String())
|
|
}
|
|
case "CNAME":
|
|
if trimmedHost := strings.TrimSpace(host); trimmedHost != "" {
|
|
return types.StringValue(strings.TrimSuffix(trimmedHost, "."))
|
|
}
|
|
return types.StringValue(strings.TrimSuffix(trimmed, "."))
|
|
}
|
|
|
|
return types.StringValue(trimmed)
|
|
}
|
|
|
|
func isUnsupportedEmptyContentError(err error) bool {
|
|
var apiErr *dynuclient.APIError
|
|
if !errors.As(err, &apiErr) {
|
|
return false
|
|
}
|
|
if apiErr.StatusCode != 400 && apiErr.StatusCode != 505 {
|
|
return false
|
|
}
|
|
normalizedType := strings.ToLower(strings.TrimSpace(apiErr.Type))
|
|
if normalizedType != "validation exception" {
|
|
return false
|
|
}
|
|
normalizedMessage := strings.ToLower(strings.TrimSpace(strings.TrimSuffix(apiErr.Message, ".")))
|
|
return strings.Contains(normalizedMessage, "content is required") ||
|
|
strings.Contains(normalizedMessage, "ipv4address is required") ||
|
|
strings.Contains(normalizedMessage, "ipv6address is required") ||
|
|
strings.Contains(normalizedMessage, "invalid ip address") ||
|
|
normalizedMessage == "invalid"
|
|
}
|
|
|
|
func (r *dnsRecordResource) applyDynamicBootstrapFallback(ctx context.Context, domainID int64, req dynuclient.CreateDNSRecordRequest, diagnostics *diag.Diagnostics) (dynuclient.CreateDNSRecordRequest, bool) {
|
|
if req.Content != nil {
|
|
return req, true
|
|
}
|
|
domain, err := r.clientProvider.client.GetDomainByID(ctx, domainID)
|
|
if err != nil {
|
|
diagnostics.AddError(diagnosticSummary("Unable to fetch Dynu domain for dynamic fallback", err), err.Error())
|
|
return req, false
|
|
}
|
|
switch strings.ToUpper(strings.TrimSpace(req.RecordType)) {
|
|
case "A":
|
|
if strings.TrimSpace(domain.IPv4Address) == "" {
|
|
diagnostics.AddError("Unable to emulate dynamic A record", "Dynu rejected omitted IPv4 content and the root domain has no IPv4 address to bootstrap from.")
|
|
return req, false
|
|
}
|
|
req.Content = stringPointer(strings.TrimSpace(domain.IPv4Address))
|
|
case "AAAA":
|
|
if strings.TrimSpace(domain.IPv6Address) == "" {
|
|
diagnostics.AddError("Unable to emulate dynamic AAAA record", "Dynu rejected omitted IPv6 content and the root domain has no IPv6 address to bootstrap from.")
|
|
return req, false
|
|
}
|
|
req.Content = stringPointer(strings.TrimSpace(domain.IPv6Address))
|
|
default:
|
|
return req, true
|
|
}
|
|
if strings.TrimSpace(req.Group) == "" {
|
|
req.Group = strings.TrimSpace(domain.Group)
|
|
}
|
|
return req, true
|
|
}
|
|
|
|
func addDNSRecordWriteDiagnostic(operation string, recordType string, content *string, err error, diagnostics *diag.Diagnostics) {
|
|
detail := err.Error()
|
|
var apiErr *dynuclient.APIError
|
|
if errors.As(err, &apiErr) {
|
|
presence := "omitted"
|
|
if content != nil {
|
|
presence = fmt.Sprintf("set to %q", *content)
|
|
}
|
|
detail = fmt.Sprintf("%s. Dynu rejected this %s request for record type %q where content was %s.", err.Error(), operation, strings.ToUpper(strings.TrimSpace(recordType)), presence)
|
|
}
|
|
|
|
diagnostics.AddError(diagnosticSummary(fmt.Sprintf("Unable to %s Dynu DNS record", operation), err), detail)
|
|
}
|
|
|
|
func knownNormalizedString(value types.String) (string, bool) {
|
|
if value.IsNull() || value.IsUnknown() {
|
|
return "", true
|
|
}
|
|
return strings.ToUpper(strings.TrimSpace(value.ValueString())), false
|
|
}
|