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Allow optional dns record content and omit when unset

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This commit is contained in:
beatz174-bit
2026-04-24 17:46:22 +10:00
parent a53da220e2
commit 78814db51e
4 changed files with 172 additions and 39 deletions
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internal/dynuclient/client.go
+32 -28
View File
@@ -109,23 +109,23 @@ type DNSRecord struct {
}
type CreateDNSRecordRequest struct {
NodeName string `json:"nodeName,omitempty"`
RecordType string `json:"recordType"`
Content string `json:"content"`
TTL int64 `json:"ttl,omitempty"`
State *bool `json:"state,omitempty"`
Group string `json:"group,omitempty"`
Host string `json:"host,omitempty"`
NodeName string `json:"nodeName,omitempty"`
RecordType string `json:"recordType"`
Content *string `json:"content,omitempty"`
TTL int64 `json:"ttl,omitempty"`
State *bool `json:"state,omitempty"`
Group string `json:"group,omitempty"`
Host string `json:"host,omitempty"`
}
type UpdateDNSRecordRequest struct {
NodeName string `json:"nodeName,omitempty"`
RecordType string `json:"recordType"`
Content string `json:"content"`
TTL int64 `json:"ttl,omitempty"`
State *bool `json:"state,omitempty"`
Group string `json:"group,omitempty"`
Host string `json:"host,omitempty"`
NodeName string `json:"nodeName,omitempty"`
RecordType string `json:"recordType"`
Content *string `json:"content,omitempty"`
TTL int64 `json:"ttl,omitempty"`
State *bool `json:"state,omitempty"`
Group string `json:"group,omitempty"`
Host string `json:"host,omitempty"`
}
type listDomainsResponse struct {
@@ -310,18 +310,18 @@ func parseAPIException(payload []byte) error {
}
type dnsRecordUpsertPayload struct {
NodeName string `json:"nodeName,omitempty"`
RecordType string `json:"recordType"`
Content string `json:"content,omitempty"`
IPv4Address string `json:"ipv4Address,omitempty"`
IPv6Address string `json:"ipv6Address,omitempty"`
TTL int64 `json:"ttl,omitempty"`
State *bool `json:"state,omitempty"`
Group string `json:"group,omitempty"`
Host string `json:"host,omitempty"`
NodeName string `json:"nodeName,omitempty"`
RecordType string `json:"recordType"`
Content *string `json:"content,omitempty"`
IPv4Address string `json:"ipv4Address,omitempty"`
IPv6Address string `json:"ipv6Address,omitempty"`
TTL int64 `json:"ttl,omitempty"`
State *bool `json:"state,omitempty"`
Group string `json:"group,omitempty"`
Host string `json:"host,omitempty"`
}
func buildDNSRecordUpsertPayload(recordType string, nodeName string, content string, ttl int64, state *bool, group string, host string) dnsRecordUpsertPayload {
func buildDNSRecordUpsertPayload(recordType string, nodeName string, content *string, ttl int64, state *bool, group string, host string) dnsRecordUpsertPayload {
payload := dnsRecordUpsertPayload{
NodeName: nodeName,
RecordType: recordType,
@@ -334,12 +334,16 @@ func buildDNSRecordUpsertPayload(recordType string, nodeName string, content str
switch strings.ToUpper(strings.TrimSpace(recordType)) {
case "A":
payload.IPv4Address = content
if content != nil {
payload.IPv4Address = *content
}
case "AAAA":
payload.IPv6Address = content
if content != nil {
payload.IPv6Address = *content
}
case "CNAME":
if payload.Host == "" {
payload.Host = content
if payload.Host == "" && content != nil {
payload.Host = *content
}
}
internal/dynuclient/client_test.go
+50 -5
View File
@@ -95,7 +95,7 @@ func TestClientDNSRecordCRUD(t *testing.T) {
created, err := client.CreateDNSRecord(context.Background(), 1001, dynuclient.CreateDNSRecordRequest{
NodeName: "api",
RecordType: "TXT",
Content: "created",
Content: stringPointer("created"),
TTL: 120,
State: &state,
Group: "integration",
@@ -118,7 +118,7 @@ func TestClientDNSRecordCRUD(t *testing.T) {
updated, err := client.UpdateDNSRecord(context.Background(), 1001, created.ID, dynuclient.UpdateDNSRecordRequest{
NodeName: "api",
RecordType: "TXT",
Content: "updated",
Content: stringPointer("updated"),
TTL: 180,
State: &state,
})
@@ -145,7 +145,7 @@ func TestClientDNSRecordWriteAPIError(t *testing.T) {
fake.SetAPIError("/dns/1001/record", fakedynu.APIError{HTTPStatus: 400, StatusCode: 400, Type: "Validation Exception", Message: "recordType invalid"})
client := dynuclient.New("test-key", dynuclient.WithBaseURL(fake.BaseURL()), dynuclient.WithHTTPClient(fake.Client()))
_, err := client.CreateDNSRecord(context.Background(), 1001, dynuclient.CreateDNSRecordRequest{RecordType: "", Content: "x"})
_, err := client.CreateDNSRecord(context.Background(), 1001, dynuclient.CreateDNSRecordRequest{RecordType: "", Content: stringPointer("x")})
if err == nil || !strings.Contains(err.Error(), "Validation Exception") {
t.Fatalf("expected validation API error, got %v", err)
}
@@ -179,7 +179,7 @@ func TestClientCreateDNSRecordSendsIPv4AddressForARecord(t *testing.T) {
_, err := client.CreateDNSRecord(context.Background(), 1001, dynuclient.CreateDNSRecordRequest{
NodeName: "www",
RecordType: "A",
Content: "167.179.167.166",
Content: stringPointer("167.179.167.166"),
TTL: 300,
})
if err != nil {
@@ -216,7 +216,7 @@ func TestClientCreateDNSRecordNormalizesZoneStyleContent(t *testing.T) {
record, err := client.CreateDNSRecord(context.Background(), 1001, dynuclient.CreateDNSRecordRequest{
NodeName: "www",
RecordType: "A",
Content: "167.179.167.166",
Content: stringPointer("167.179.167.166"),
TTL: 300,
})
if err != nil {
@@ -239,3 +239,48 @@ func TestClientDoRequestTopLevelAPIExceptionPayload(t *testing.T) {
t.Fatalf("expected top-level API error, got %v", err)
}
}
func TestClientCreateDNSRecordOmitsContentWhenUnset(t *testing.T) {
var captured map[string]any
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost || r.URL.Path != "/dns/1001/record" {
t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
}
if err := json.NewDecoder(r.Body).Decode(&captured); err != nil {
t.Fatalf("failed to decode payload: %v", err)
}
_ = json.NewEncoder(w).Encode(map[string]any{
"statusCode": 200,
"id": 10,
"domainId": 1001,
"domainName": "example.com",
"nodeName": "www",
"hostname": "www.example.com",
"recordType": "A",
"ttl": 300,
"state": true,
})
}))
defer server.Close()
client := dynuclient.New("test-key", dynuclient.WithBaseURL(server.URL), dynuclient.WithHTTPClient(server.Client()))
_, err := client.CreateDNSRecord(context.Background(), 1001, dynuclient.CreateDNSRecordRequest{
NodeName: "www",
RecordType: "A",
TTL: 300,
})
if err != nil {
t.Fatalf("CreateDNSRecord() error = %v", err)
}
if _, ok := captured["content"]; ok {
t.Fatalf("expected content to be omitted, got %#v", captured["content"])
}
if _, ok := captured["ipv4Address"]; ok {
t.Fatalf("expected ipv4Address to be omitted, got %#v", captured["ipv4Address"])
}
}
func stringPointer(value string) *string {
return &value
}
internal/provider/resource_dns_record.go
+51 -5
View File
@@ -9,6 +9,7 @@ import (
"github.com/hashicorp/terraform-plugin-framework-validators/int64validator"
"github.com/hashicorp/terraform-plugin-framework-validators/stringvalidator"
"github.com/hashicorp/terraform-plugin-framework/diag"
"github.com/hashicorp/terraform-plugin-framework/resource"
"github.com/hashicorp/terraform-plugin-framework/resource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
@@ -64,7 +65,7 @@ func (r *dnsRecordResource) Schema(_ context.Context, _ resource.SchemaRequest,
},
},
"record_type": schema.StringAttribute{Required: true, Description: "DNS record type (A, AAAA, CNAME, TXT, etc.).", Validators: []validator.String{stringvalidator.LengthAtLeast(1)}},
"content": schema.StringAttribute{Required: true, Description: "Record content/value."},
"content": schema.StringAttribute{Optional: true, Computed: true, Description: "Record content/value."},
"ttl": schema.Int64Attribute{
Optional: true,
Computed: true,
@@ -110,16 +111,19 @@ func (r *dnsRecordResource) Create(ctx context.Context, req resource.CreateReque
createReq := dynuclient.CreateDNSRecordRequest{
NodeName: recordNodeName(plan.NodeName, plan.Hostname, domainName),
RecordType: strings.TrimSpace(plan.RecordType.ValueString()),
Content: strings.TrimSpace(plan.Content.ValueString()),
Content: stringPointerFromOptional(plan.Content),
TTL: int64FromOptional(plan.TTL),
State: boolPointerFromOptional(plan.State),
Group: stringFromOptional(plan.Group),
Host: stringFromOptional(plan.Host),
}
if !validateDNSRecordContentForType(createReq.RecordType, createReq.Content, &resp.Diagnostics) {
return
}
record, err := r.clientProvider.client.CreateDNSRecord(ctx, domainID, createReq)
if err != nil {
resp.Diagnostics.AddError(diagnosticSummary("Unable to create Dynu DNS record", err), err.Error())
addDNSRecordWriteDiagnostic("create", createReq.RecordType, createReq.Content, err, &resp.Diagnostics)
return
}
@@ -183,15 +187,18 @@ func (r *dnsRecordResource) Update(ctx context.Context, req resource.UpdateReque
updateReq := dynuclient.UpdateDNSRecordRequest{
NodeName: recordNodeName(plan.NodeName, plan.Hostname, domainName),
RecordType: strings.TrimSpace(plan.RecordType.ValueString()),
Content: strings.TrimSpace(plan.Content.ValueString()),
Content: stringPointerFromOptional(plan.Content),
TTL: int64FromOptional(plan.TTL),
State: boolPointerFromOptional(plan.State),
Group: stringFromOptional(plan.Group),
Host: stringFromOptional(plan.Host),
}
if !validateDNSRecordContentForType(updateReq.RecordType, updateReq.Content, &resp.Diagnostics) {
return
}
if _, err := r.clientProvider.client.UpdateDNSRecord(ctx, domainID, recordID, updateReq); err != nil {
resp.Diagnostics.AddError(diagnosticSummary("Unable to update Dynu DNS record", err), err.Error())
addDNSRecordWriteDiagnostic("update", updateReq.RecordType, updateReq.Content, err, &resp.Diagnostics)
return
}
@@ -314,3 +321,42 @@ func stringFromOptional(value types.String) string {
}
return strings.TrimSpace(value.ValueString())
}
func stringPointerFromOptional(value types.String) *string {
if value.IsNull() || value.IsUnknown() {
return nil
}
trimmed := strings.TrimSpace(value.ValueString())
return &trimmed
}
func validateDNSRecordContentForType(recordType string, content *string, diagnostics *diag.Diagnostics) bool {
normalizedType := strings.ToUpper(strings.TrimSpace(recordType))
if normalizedType == "A" || normalizedType == "AAAA" {
return true
}
if content == nil || strings.TrimSpace(*content) == "" {
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 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)
}
internal/provider/resource_dns_record_test.go
+39 -1
View File
@@ -1,6 +1,10 @@
package provider
import "testing"
import (
"testing"
"github.com/hashicorp/terraform-plugin-framework/diag"
)
func TestParseDNSRecordID(t *testing.T) {
domainID, recordID, err := parseDNSRecordID("1001/55")
@@ -17,3 +21,37 @@ func TestParseDNSRecordIDInvalid(t *testing.T) {
t.Fatal("expected parse error")
}
}
func TestValidateDNSRecordContentForType(t *testing.T) {
nonEmpty := "hello"
blank := ""
tests := []struct {
name string
recordType string
content *string
wantValid bool
}{
{name: "A allows nil content", recordType: "A", content: nil, wantValid: true},
{name: "AAAA allows nil content", recordType: "AAAA", content: nil, wantValid: true},
{name: "TXT requires content", recordType: "TXT", content: nil, wantValid: false},
{name: "TXT rejects blank content", recordType: "TXT", content: &blank, wantValid: false},
{name: "TXT accepts non-empty content", recordType: "TXT", content: &nonEmpty, wantValid: true},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
diags := diag.Diagnostics{}
got := validateDNSRecordContentForType(tc.recordType, tc.content, &diags)
if got != tc.wantValid {
t.Fatalf("validateDNSRecordContentForType()=%v, want %v", got, tc.wantValid)
}
if tc.wantValid && diags.HasError() {
t.Fatalf("expected no error diagnostics, got %#v", diags)
}
if !tc.wantValid && !diags.HasError() {
t.Fatal("expected error diagnostics")
}
})
}
}