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fix(ske): nil pointer when gateway api is not set #1673

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fix(ske): nil pointer when gateway api is not set #1673

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514fe6e
fix(ske): nil pointer when gateway api is not set
Manuelvaas Aug 7, 2026
46951d3
fix ske
Manuelvaas Aug 12, 2026
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16 changes: 9 additions & 7 deletions stackit/internal/services/ske/cluster/resource.go
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Original file line number Diff line number Diff line change
Expand Up @@ -754,6 +754,7 @@ func (r *clusterResource) Schema(_ context.Context, _ resource.SchemaRequest, re
"extensions": schema.SingleNestedAttribute{
Description: "A single extensions block as defined below.",
Optional: true,
Computed: true,
PlanModifiers: []planmodifier.Object{
objectplanmodifier.UseStateForUnknown(),
},
Expand Down Expand Up @@ -830,13 +831,13 @@ func (r *clusterResource) Schema(_ context.Context, _ resource.SchemaRequest, re
"gateway_api": schema.BoolAttribute{
Description: "Enables Gateway API support for ExternalDNS. The CRDs must be installed by the user. Once installed, ExternalDNS will be configured at the next cluster reconcile.",
Optional: true,
Computed: true,
},
},
},
"application_load_balancer": schema.SingleNestedAttribute{
Description: "Application Load Balancer extension.",
Optional: true,
Computed: true,
Attributes: map[string]schema.Attribute{
"enabled": schema.BoolAttribute{
Description: "Enables the application load balancer extension. Note: This feature is in private preview. Enabling application load balancer extension is only possible for enabled accounts. Otherwise the request will be rejected.",
Expand Down Expand Up @@ -2029,7 +2030,7 @@ func checkDisabledExtensions(ctx context.Context, ex *extensions) (aclDisabled,
}

applicationLoadBalancer := applicationLoadBalancer{}
if ex.ApplicationLoadBalancer.IsNull() {
if utils.IsUndefined(ex.ApplicationLoadBalancer) {
applicationLoadBalancer.Enabled = types.BoolValue(false)
} else {
diags = ex.ApplicationLoadBalancer.As(ctx, &applicationLoadBalancer, basetypes.ObjectAsOptions{})
Expand All @@ -2049,11 +2050,13 @@ func mapExtensions(ctx context.Context, cl *ske.Cluster, m *Model) error {

var diags diag.Diagnostics
ex := extensions{}
if !m.Extensions.IsNull() {
if !utils.IsUndefined(m.Extensions) {
diags := m.Extensions.As(ctx, &ex, basetypes.ObjectAsOptions{})
if diags.HasError() {
return fmt.Errorf("converting extensions object: %v", diags.Errors())
}
} else {
m.Extensions = types.ObjectNull(extensionsTypes)
}

// If the user provides the extensions block with the enabled flags as false
Expand All @@ -2069,9 +2072,8 @@ func mapExtensions(ctx context.Context, cl *ske.Cluster, m *Model) error {
if err != nil {
return fmt.Errorf("checking if extensions are disabled: %w", err)
}
disabledExtensions := aclDisabled && observabilityDisabled && dnsDisabled && applicationLoadBalancerDisabled

if skeUtils.IsEmptyExtension(cl.Extensions) && (disabledExtensions || m.Extensions.IsNull()) {
if skeUtils.IsEmptyExtension(cl.Extensions) && utils.IsUndefined(m.Extensions) {
if m.Extensions.Attributes() == nil {
m.Extensions = types.ObjectNull(extensionsTypes)
}
Expand Down Expand Up @@ -2154,14 +2156,14 @@ func mapExtensions(ctx context.Context, cl *ske.Cluster, m *Model) error {
if diags.HasError() {
return fmt.Errorf("creating applicationLoadBalancer: %w", core.DiagsToError(diags))
}
} else if applicationLoadBalancerDisabled && !ex.ApplicationLoadBalancer.IsNull() {
} else if applicationLoadBalancerDisabled && !utils.IsUndefined(ex.ApplicationLoadBalancer) {
applicationLoadBalancerExtension = ex.ApplicationLoadBalancer
}

dnsExtension := types.ObjectNull(dnsTypes)
if cl.Extensions.Dns != nil {
enabled := types.BoolValue(cl.Extensions.Dns.Enabled)
gatewayApi := types.BoolValue(*cl.Extensions.Dns.GatewayApi)
gatewayApi := types.BoolPointerValue(cl.Extensions.Dns.GatewayApi)

zonesList, diags := types.ListValueFrom(ctx, types.StringType, cl.Extensions.Dns.Zones)
if diags.HasError() {
Expand Down
16 changes: 9 additions & 7 deletions stackit/internal/services/ske/cluster/resource_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -342,9 +342,8 @@ func TestMapFields(t *testing.T) {
Enabled: true,
},
Dns: &ske.DNS{
Zones: nil,
Enabled: true,
GatewayApi: new(true),
Zones: nil,
Enabled: true,
},
ApplicationLoadBalancer: &ske.ApplicationLoadBalancer{
Enabled: true,
Expand Down Expand Up @@ -382,7 +381,7 @@ func TestMapFields(t *testing.T) {
"dns": types.ObjectValueMust(dnsTypes, map[string]attr.Value{
"enabled": types.BoolValue(true),
"zones": types.ListNull(types.StringType),
"gateway_api": types.BoolValue(true),
"gateway_api": types.BoolNull(),
}),
"application_load_balancer": types.ObjectValueMust(applicationLoadBalancerTypes, map[string]attr.Value{
"enabled": types.BoolValue(true),
Expand All @@ -409,7 +408,7 @@ func TestMapFields(t *testing.T) {
"dns": types.ObjectValueMust(dnsTypes, map[string]attr.Value{
"enabled": types.BoolValue(false),
"zones": types.ListNull(types.StringType),
"gateway_api": types.BoolValue(false),
"gateway_api": types.BoolNull(),
}),
"application_load_balancer": types.ObjectValueMust(applicationLoadBalancerTypes, map[string]attr.Value{
"enabled": types.BoolValue(false),
Expand Down Expand Up @@ -450,7 +449,7 @@ func TestMapFields(t *testing.T) {
"dns": types.ObjectValueMust(dnsTypes, map[string]attr.Value{
"enabled": types.BoolValue(false),
"zones": types.ListNull(types.StringType),
"gateway_api": types.BoolValue(false),
"gateway_api": types.BoolNull(),
}),
"application_load_balancer": types.ObjectValueMust(applicationLoadBalancerTypes, map[string]attr.Value{
"enabled": types.BoolValue(false),
Expand Down Expand Up @@ -497,6 +496,9 @@ func TestMapFields(t *testing.T) {
Enabled: true,
GatewayApi: new(true),
},
ApplicationLoadBalancer: &ske.ApplicationLoadBalancer{
Enabled: true,
},
},
Name: new("name"),
Access: &ske.Access{
Expand Down Expand Up @@ -535,7 +537,7 @@ func TestMapFields(t *testing.T) {
"gateway_api": types.BoolValue(true),
}),
"application_load_balancer": types.ObjectValueMust(applicationLoadBalancerTypes, map[string]attr.Value{
"enabled": types.BoolValue(false),
"enabled": types.BoolValue(true),
}),
}),
KubernetesVersionUsed: types.StringValue(""),
Expand Down
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