feat: allow k8 dynamic secret multi namespace and show proper error

frontend/src/pages/secret-manager/SecretDashboardPage/components/ActionBar/CreateDynamicSecretForm/KubernetesInputForm.tsx

@@ -67,7 +67,14 @@ const formSchema = z
         sslEnabled: z.boolean().default(false),
         credentialType: z.literal(KubernetesDynamicSecretCredentialType.Static),
         serviceAccountName: z.string().trim().min(1),
-        namespace: z.string().trim().min(1),
+        namespace: z
+          .string()
+          .trim()
+          .min(1)
+          .refine(
+            (val) => !val.includes(","),
+            "Namespace must be a single value, not a comma-separated list"
+          ),
         gatewayId: z.string().optional(),
         audiences: z.array(z.string().trim().min(1)),
         authMethod: z.nativeEnum(AuthMethod).default(AuthMethod.Api)
@@ -78,7 +85,14 @@ const formSchema = z
         ca: z.string().optional(),
         sslEnabled: z.boolean().default(false),
         credentialType: z.literal(KubernetesDynamicSecretCredentialType.Dynamic),
-        namespace: z.string().trim().min(1),
+        namespace: z
+          .string()
+          .trim()
+          .min(1)
+          .refine((val) => {
+            const namespaces = val.split(",").map((ns) => ns.trim());
+            return namespaces.length > 0 && namespaces.every((ns) => ns.length > 0);
+          }, "Must be a valid comma-separated list of namespace values"),
         gatewayId: z.string().optional(),
         audiences: z.array(z.string().trim().min(1)),
         roleType: z.nativeEnum(RoleType),
@@ -507,7 +521,11 @@ export const KubernetesInputForm = ({
                       name="provider.namespace"
                       render={({ field, fieldState: { error } }) => (
                         <FormControl
-                          label="Namespace"
+                          label={
+                            credentialType === KubernetesDynamicSecretCredentialType.Static
+                              ? "Namespace"
+                              : "Allowed Namespace(s)"
+                          }
                           isError={Boolean(error?.message)}
                           errorText={error?.message}
                         >

frontend/src/pages/secret-manager/SecretDashboardPage/components/DynamicSecretListView/CreateDynamicSecretLease.tsx

@@ -353,12 +353,149 @@ const renderOutputForm = (
   return null;
 };
 
+const kubernetesFormSchema = z.object({
+  ttl: z
+    .string()
+    .refine((val) => ms(val) > 0, "TTL must be a positive number")
+    .optional(),
+  namespace: z.string().optional()
+});
+
+type TKubernetesForm = z.infer<typeof kubernetesFormSchema>;
+
+export const CreateKubernetesDynamicSecretLease = ({
+  onClose,
+  projectSlug,
+  dynamicSecretName,
+  provider,
+  secretPath,
+  environment
+}: Props) => {
+  const {
+    control,
+    formState: { isSubmitting },
+    handleSubmit
+  } = useForm<TKubernetesForm>({
+    resolver: zodResolver(kubernetesFormSchema),
+    defaultValues: {
+      ttl: "1h"
+    }
+  });
+
+  const createDynamicSecretLease = useCreateDynamicSecretLease();
+
+  const handleDynamicSecretLeaseCreate = async ({ ttl, namespace }: TKubernetesForm) => {
+    if (createDynamicSecretLease.isPending) return;
+    try {
+      await createDynamicSecretLease.mutateAsync({
+        environmentSlug: environment,
+        projectSlug,
+        path: secretPath,
+        ttl,
+        dynamicSecretName,
+        config: {
+          namespace: namespace || undefined
+        },
+        provider
+      });
+
+      createNotification({
+        type: "success",
+        text: "Successfully leased dynamic secret"
+      });
+    } catch (error) {
+      console.log(error);
+      createNotification({
+        type: "error",
+        text: "Failed to lease dynamic secret"
+      });
+    }
+  };
+
+  const handleLeaseRegeneration = async (data: { ttl?: string }) => {
+    handleDynamicSecretLeaseCreate(data);
+  };
+
+  const isOutputMode = Boolean(createDynamicSecretLease?.data);
+
+  return (
+    <div>
+      <AnimatePresence>
+        {!isOutputMode && (
+          <motion.div
+            key="lease-input"
+            transition={{ duration: 0.1 }}
+            initial={{ opacity: 0, translateX: 30 }}
+            animate={{ opacity: 1, translateX: 0 }}
+            exit={{ opacity: 0, translateX: 30 }}
+          >
+            <form onSubmit={handleSubmit(handleDynamicSecretLeaseCreate)}>
+              <Controller
+                control={control}
+                name="namespace"
+                render={({ field, fieldState: { error } }) => (
+                  <FormControl
+                    label="Namespace"
+                    isError={Boolean(error?.message)}
+                    errorText={error?.message}
+                    helperText="The Kubernetes namespace to lease the dynamic secret to. If not specified, the first namespace defined in the configuration will be used."
+                  >
+                    <Input {...field} />
+                  </FormControl>
+                )}
+              />
+              <Controller
+                control={control}
+                name="ttl"
+                defaultValue="1h"
+                render={({ field, fieldState: { error } }) => (
+                  <FormControl
+                    label={<TtlFormLabel label="Default TTL" />}
+                    isError={Boolean(error?.message)}
+                    errorText={error?.message}
+                  >
+                    <Input {...field} />
+                  </FormControl>
+                )}
+              />
+              <div className="mt-4 flex items-center space-x-4">
+                <Button type="submit" isLoading={isSubmitting}>
+                  Submit
+                </Button>
+                <Button variant="outline_bg" onClick={onClose}>
+                  Cancel
+                </Button>
+              </div>
+            </form>
+          </motion.div>
+        )}
+        {isOutputMode && (
+          <motion.div
+            key="lease-output"
+            transition={{ duration: 0.1 }}
+            initial={{ opacity: 0, translateX: 30 }}
+            animate={{ opacity: 1, translateX: 0 }}
+            exit={{ opacity: 0, translateX: 30 }}
+          >
+            {renderOutputForm(
+              provider,
+              createDynamicSecretLease.data?.data,
+              handleLeaseRegeneration
+            )}
+          </motion.div>
+        )}
+      </AnimatePresence>
+    </div>
+  );
+};
+
 const formSchema = z.object({
   ttl: z
     .string()
     .refine((val) => ms(val) > 0, "TTL must be a positive number")
     .optional()
 });
+
 type TForm = z.infer<typeof formSchema>;
 
 type Props = {
@@ -404,7 +541,8 @@ export const CreateDynamicSecretLease = ({
         projectSlug,
         path: secretPath,
         ttl,
-        dynamicSecretName
+        dynamicSecretName,
+        provider
       });
 
       createNotification({
@@ -433,6 +571,19 @@ export const CreateDynamicSecretLease = ({
     }
   }, [provider]);
 
+  if (provider === DynamicSecretProviders.Kubernetes) {
+    return (
+      <CreateKubernetesDynamicSecretLease
+        onClose={onClose}
+        projectSlug={projectSlug}
+        dynamicSecretName={dynamicSecretName}
+        provider={provider}
+        secretPath={secretPath}
+        environment={environment}
+      />
+    );
+  }
+
   const isOutputMode = Boolean(createDynamicSecretLease?.data);
 
   if (isPreloading) {

frontend/src/pages/secret-manager/SecretDashboardPage/components/DynamicSecretListView/EditDynamicSecretForm/EditDynamicSecretKubernetesForm.tsx

@@ -65,7 +65,14 @@ const formSchema = z
         sslEnabled: z.boolean().default(false),
         credentialType: z.literal(KubernetesDynamicSecretCredentialType.Static),
         serviceAccountName: z.string().trim().min(1),
-        namespace: z.string().trim().min(1),
+        namespace: z
+          .string()
+          .trim()
+          .min(1)
+          .refine(
+            (val) => !val.includes(","),
+            "Namespace must be a single value, not a comma-separated list"
+          ),
         gatewayId: z.string().optional(),
         audiences: z.array(z.string().trim().min(1)),
         authMethod: z.nativeEnum(AuthMethod).default(AuthMethod.Api)
@@ -76,7 +83,14 @@ const formSchema = z
         ca: z.string().optional(),
         sslEnabled: z.boolean().default(false),
         credentialType: z.literal(KubernetesDynamicSecretCredentialType.Dynamic),
-        namespace: z.string().trim().min(1),
+        namespace: z
+          .string()
+          .trim()
+          .min(1)
+          .refine((val) => {
+            const namespaces = val.split(",").map((ns) => ns.trim());
+            return namespaces.length > 0 && namespaces.every((ns) => ns.length > 0);
+          }, "Must be a valid comma-separated list of namespace values"),
         gatewayId: z.string().optional(),
         audiences: z.array(z.string().trim().min(1)),
         roleType: z.nativeEnum(RoleType),
@@ -502,7 +516,11 @@ export const EditDynamicSecretKubernetesForm = ({
                         name="inputs.namespace"
                         render={({ field, fieldState: { error } }) => (
                           <FormControl
-                            label="Namespace"
+                            label={
+                              credentialType === KubernetesDynamicSecretCredentialType.Static
+                                ? "Namespace"
+                                : "Allowed Namespace(s)"
+                            }
                             isError={Boolean(error?.message)}
                             errorText={error?.message}
                           >