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add validation to avoid cross ns config and functions (#2627)

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This commit is contained in:
neha_gupta
2022-11-17 20:43:07 +05:30
committed by GitHub
parent 4cbe6a7061
commit d559628f29
1 changed files with 30 additions and 0 deletions
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pkg/apis/core/v1/function_webhook.go
+30
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@@ -17,6 +17,8 @@ limitations under the License.
package v1
import (
"fmt"
"go.uber.org/zap"
"k8s.io/apimachinery/pkg/runtime"
ctrl "sigs.k8s.io/controller-runtime"
@@ -50,6 +52,20 @@ var _ webhook.Validator = &Function{}
// ValidateCreate implements webhook.Validator so a webhook will be registered for the type
func (r *Function) ValidateCreate() error {
functionlog.Debug("validate create", zap.String("name", r.Name))
for _, cnfMap := range r.Spec.ConfigMaps {
if cnfMap.Namespace != r.ObjectMeta.Namespace {
err := fmt.Errorf("ConfigMap's [%s] and function's Namespace [%s] are different. ConfigMap needs to be present in the same namespace as function", cnfMap.Namespace, r.ObjectMeta.Namespace)
return AggregateValidationErrors("Function", err)
}
}
for _, secret := range r.Spec.Secrets {
if secret.Namespace != r.ObjectMeta.Namespace {
err := fmt.Errorf("secret [%s] and function's Namespace [%s] are different. Secret needs to be present in the same namespace as function", secret.Namespace, r.ObjectMeta.Namespace)
return AggregateValidationErrors("Function", err)
}
}
err := r.Validate()
if err != nil {
return AggregateValidationErrors("Function", err)
@@ -60,6 +76,20 @@ func (r *Function) ValidateCreate() error {
// ValidateUpdate implements webhook.Validator so a webhook will be registered for the type
func (r *Function) ValidateUpdate(old runtime.Object) error {
functionlog.Debug("validate update", zap.String("name", r.Name))
for _, cnfMap := range r.Spec.ConfigMaps {
if cnfMap.Namespace != r.ObjectMeta.Namespace {
err := fmt.Errorf("ConfigMap's [%s] and function's Namespace [%s] are different. ConfigMap needs to be present in the same namespace as function", cnfMap.Namespace, r.ObjectMeta.Namespace)
return AggregateValidationErrors("Function", err)
}
}
for _, secret := range r.Spec.Secrets {
if secret.Namespace != r.ObjectMeta.Namespace {
err := fmt.Errorf("secret [%s] and function's Namespace [%s] are different. Secret needs to be present in the same namespace as function", secret.Namespace, r.ObjectMeta.Namespace)
return AggregateValidationErrors("Function", err)
}
}
err := r.Validate()
if err != nil {
return AggregateValidationErrors("Function", err)