feat: improve multi model credentials (#25009)

Co-authored-by: Claude <noreply@anthropic.com>

api/controllers/console/workspace/model_providers.py

@@ -67,7 +67,7 @@ class ModelProviderCredentialApi(Resource):
 
         parser = reqparse.RequestParser()
         parser.add_argument("credentials", type=dict, required=True, nullable=False, location="json")
-        parser.add_argument("name", type=StrLen(30), required=True, nullable=False, location="json")
+        parser.add_argument("name", type=StrLen(30), required=False, nullable=True, location="json")
         args = parser.parse_args()
 
         model_provider_service = ModelProviderService()
@@ -94,7 +94,7 @@ class ModelProviderCredentialApi(Resource):
         parser = reqparse.RequestParser()
         parser.add_argument("credential_id", type=uuid_value, required=True, nullable=False, location="json")
         parser.add_argument("credentials", type=dict, required=True, nullable=False, location="json")
-        parser.add_argument("name", type=StrLen(30), required=True, nullable=False, location="json")
+        parser.add_argument("name", type=StrLen(30), required=False, nullable=True, location="json")
         args = parser.parse_args()
 
         model_provider_service = ModelProviderService()

api/controllers/console/workspace/models.py

@@ -219,7 +219,11 @@ class ModelProviderModelCredentialApi(Resource):
 
         model_load_balancing_service = ModelLoadBalancingService()
         is_load_balancing_enabled, load_balancing_configs = model_load_balancing_service.get_load_balancing_configs(
-            tenant_id=tenant_id, provider=provider, model=args["model"], model_type=args["model_type"]
+            tenant_id=tenant_id,
+            provider=provider,
+            model=args["model"],
+            model_type=args["model_type"],
+            config_from=args.get("config_from", ""),
         )
 
         if args.get("config_from", "") == "predefined-model":
@@ -263,7 +267,7 @@ class ModelProviderModelCredentialApi(Resource):
             choices=[mt.value for mt in ModelType],
             location="json",
         )
-        parser.add_argument("name", type=StrLen(30), required=True, nullable=False, location="json")
+        parser.add_argument("name", type=StrLen(30), required=False, nullable=True, location="json")
         parser.add_argument("credentials", type=dict, required=True, nullable=False, location="json")
         args = parser.parse_args()
 
@@ -309,7 +313,7 @@ class ModelProviderModelCredentialApi(Resource):
         )
         parser.add_argument("credential_id", type=uuid_value, required=True, nullable=False, location="json")
         parser.add_argument("credentials", type=dict, required=True, nullable=False, location="json")
-        parser.add_argument("name", type=StrLen(30), required=True, nullable=False, location="json")
+        parser.add_argument("name", type=StrLen(30), required=False, nullable=True, location="json")
         args = parser.parse_args()
 
         model_provider_service = ModelProviderService()

api/core/entities/provider_configuration.py

@@ -1,5 +1,6 @@
 import json
 import logging
+import re
 from collections import defaultdict
 from collections.abc import Iterator, Sequence
 from json import JSONDecodeError
@@ -343,7 +344,65 @@ class ProviderConfiguration(BaseModel):
             with Session(db.engine) as new_session:
                 return _validate(new_session)
 
-    def create_provider_credential(self, credentials: dict, credential_name: str) -> None:
+    def _generate_provider_credential_name(self, session) -> str:
+        """
+        Generate a unique credential name for provider.
+        :return: credential name
+        """
+        return self._generate_next_api_key_name(
+            session=session,
+            query_factory=lambda: select(ProviderCredential).where(
+                ProviderCredential.tenant_id == self.tenant_id,
+                ProviderCredential.provider_name == self.provider.provider,
+            ),
+        )
+
+    def _generate_custom_model_credential_name(self, model: str, model_type: ModelType, session) -> str:
+        """
+        Generate a unique credential name for custom model.
+        :return: credential name
+        """
+        return self._generate_next_api_key_name(
+            session=session,
+            query_factory=lambda: select(ProviderModelCredential).where(
+                ProviderModelCredential.tenant_id == self.tenant_id,
+                ProviderModelCredential.provider_name == self.provider.provider,
+                ProviderModelCredential.model_name == model,
+                ProviderModelCredential.model_type == model_type.to_origin_model_type(),
+            ),
+        )
+
+    def _generate_next_api_key_name(self, session, query_factory) -> str:
+        """
+        Generate next available API KEY name by finding the highest numbered suffix.
+        :param session: database session
+        :param query_factory: function that returns the SQLAlchemy query
+        :return: next available API KEY name
+        """
+        try:
+            stmt = query_factory()
+            credential_records = session.execute(stmt).scalars().all()
+
+            if not credential_records:
+                return "API KEY 1"
+
+            # Extract numbers from API KEY pattern using list comprehension
+            pattern = re.compile(r"^API KEY\s+(\d+)$")
+            numbers = [
+                int(match.group(1))
+                for cr in credential_records
+                if cr.credential_name and (match := pattern.match(cr.credential_name.strip()))
+            ]
+
+            # Return next sequential number
+            next_number = max(numbers, default=0) + 1
+            return f"API KEY {next_number}"
+
+        except Exception as e:
+            logger.warning("Error generating next credential name: %s", str(e))
+            return "API KEY 1"
+
+    def create_provider_credential(self, credentials: dict, credential_name: str | None) -> None:
         """
         Add custom provider credentials.
         :param credentials: provider credentials
@@ -351,8 +410,12 @@ class ProviderConfiguration(BaseModel):
         :return:
         """
         with Session(db.engine) as session:
-            if self._check_provider_credential_name_exists(credential_name=credential_name, session=session):
+            if credential_name and self._check_provider_credential_name_exists(
+                credential_name=credential_name, session=session
+            ):
                 raise ValueError(f"Credential with name '{credential_name}' already exists.")
+            else:
+                credential_name = self._generate_provider_credential_name(session)
 
             credentials = self.validate_provider_credentials(credentials=credentials, session=session)
             provider_record = self._get_provider_record(session)
@@ -395,7 +458,7 @@ class ProviderConfiguration(BaseModel):
         self,
         credentials: dict,
         credential_id: str,
-        credential_name: str,
+        credential_name: str | None,
     ) -> None:
         """
         update a saved provider credential (by credential_id).
@@ -406,7 +469,7 @@ class ProviderConfiguration(BaseModel):
         :return:
         """
         with Session(db.engine) as session:
-            if self._check_provider_credential_name_exists(
+            if credential_name and self._check_provider_credential_name_exists(
                 credential_name=credential_name, session=session, exclude_id=credential_id
             ):
                 raise ValueError(f"Credential with name '{credential_name}' already exists.")
@@ -428,9 +491,9 @@ class ProviderConfiguration(BaseModel):
             try:
                 # Update credential
                 credential_record.encrypted_config = json.dumps(credentials)
-                credential_record.credential_name = credential_name
                 credential_record.updated_at = naive_utc_now()
-
+                if credential_name:
+                    credential_record.credential_name = credential_name
                 session.commit()
 
                 if provider_record and provider_record.credential_id == credential_id:
@@ -532,13 +595,7 @@ class ProviderConfiguration(BaseModel):
                         cache_type=ProviderCredentialsCacheType.LOAD_BALANCING_MODEL,
                     )
                     lb_credentials_cache.delete()
-
+                    session.delete(lb_config)
-                    lb_config.credential_id = None
-                    lb_config.encrypted_config = None
-                    lb_config.enabled = False
-                    lb_config.name = "__delete__"
-                    lb_config.updated_at = naive_utc_now()
-                    session.add(lb_config)
 
                 # Check if this is the currently active credential
                 provider_record = self._get_provider_record(session)
@@ -822,7 +879,7 @@ class ProviderConfiguration(BaseModel):
                 return _validate(new_session)
 
     def create_custom_model_credential(
-        self, model_type: ModelType, model: str, credentials: dict, credential_name: str
+        self, model_type: ModelType, model: str, credentials: dict, credential_name: str | None
     ) -> None:
         """
         Create a custom model credential.
@@ -833,10 +890,14 @@ class ProviderConfiguration(BaseModel):
         :return:
         """
         with Session(db.engine) as session:
-            if self._check_custom_model_credential_name_exists(
+            if credential_name and self._check_custom_model_credential_name_exists(
                 model=model, model_type=model_type, credential_name=credential_name, session=session
             ):
                 raise ValueError(f"Model credential with name '{credential_name}' already exists for {model}.")
+            else:
+                credential_name = self._generate_custom_model_credential_name(
+                    model=model, model_type=model_type, session=session
+                )
             # validate custom model config
             credentials = self.validate_custom_model_credentials(
                 model_type=model_type, model=model, credentials=credentials, session=session
@@ -880,7 +941,7 @@ class ProviderConfiguration(BaseModel):
                 raise
 
     def update_custom_model_credential(
-        self, model_type: ModelType, model: str, credentials: dict, credential_name: str, credential_id: str
+        self, model_type: ModelType, model: str, credentials: dict, credential_name: str | None, credential_id: str
     ) -> None:
         """
         Update a custom model credential.
@@ -893,7 +954,7 @@ class ProviderConfiguration(BaseModel):
         :return:
         """
         with Session(db.engine) as session:
-            if self._check_custom_model_credential_name_exists(
+            if credential_name and self._check_custom_model_credential_name_exists(
                 model=model,
                 model_type=model_type,
                 credential_name=credential_name,
@@ -925,8 +986,9 @@ class ProviderConfiguration(BaseModel):
             try:
                 # Update credential
                 credential_record.encrypted_config = json.dumps(credentials)
-                credential_record.credential_name = credential_name
                 credential_record.updated_at = naive_utc_now()
+                if credential_name:
+                    credential_record.credential_name = credential_name
                 session.commit()
 
                 if provider_model_record and provider_model_record.credential_id == credential_id:
@@ -982,12 +1044,7 @@ class ProviderConfiguration(BaseModel):
                         cache_type=ProviderCredentialsCacheType.LOAD_BALANCING_MODEL,
                     )
                     lb_credentials_cache.delete()
-                    lb_config.credential_id = None
+                    session.delete(lb_config)
-                    lb_config.encrypted_config = None
-                    lb_config.enabled = False
-                    lb_config.name = "__delete__"
-                    lb_config.updated_at = naive_utc_now()
-                    session.add(lb_config)
 
                 # Check if this is the currently active credential
                 provider_model_record = self._get_custom_model_record(model_type, model, session=session)
@@ -1054,6 +1111,7 @@ class ProviderConfiguration(BaseModel):
                     provider_name=self.provider.provider,
                     model_name=model,
                     model_type=model_type.to_origin_model_type(),
+                    is_valid=True,
                     credential_id=credential_id,
                 )
             else:
@@ -1605,11 +1663,9 @@ class ProviderConfiguration(BaseModel):
                         if config.credential_source_type != "custom_model"
                     ]
 
-                    if len(provider_model_lb_configs) > 1:
+                    load_balancing_enabled = model_setting.load_balancing_enabled
-                        load_balancing_enabled = True
+                    # when the user enable load_balancing but available configs are less than 2 display warning
-
+                    has_invalid_load_balancing_configs = load_balancing_enabled and len(provider_model_lb_configs) < 2
-                    if any(config.name == "__delete__" for config in provider_model_lb_configs):
-                        has_invalid_load_balancing_configs = True
 
                 provider_models.append(
                     ModelWithProviderEntity(
@@ -1631,6 +1687,8 @@ class ProviderConfiguration(BaseModel):
         for model_configuration in self.custom_configuration.models:
             if model_configuration.model_type not in model_types:
                 continue
+            if model_configuration.unadded_to_model_list:
+                continue
             if model and model != model_configuration.model:
                 continue
             try:
@@ -1663,11 +1721,9 @@ class ProviderConfiguration(BaseModel):
                     if config.credential_source_type != "provider"
                 ]
 
-                if len(custom_model_lb_configs) > 1:
+                load_balancing_enabled = model_setting.load_balancing_enabled
-                    load_balancing_enabled = True
+                # when the user enable load_balancing but available configs are less than 2 display warning
-
+                has_invalid_load_balancing_configs = load_balancing_enabled and len(custom_model_lb_configs) < 2
-                if any(config.name == "__delete__" for config in custom_model_lb_configs):
-                    has_invalid_load_balancing_configs = True
 
             if len(model_configuration.available_model_credentials) > 0 and not model_configuration.credentials:
                 status = ModelStatus.CREDENTIAL_REMOVED

api/core/entities/provider_entities.py

@@ -111,11 +111,21 @@ class CustomModelConfiguration(BaseModel):
     current_credential_id: Optional[str] = None
     current_credential_name: Optional[str] = None
     available_model_credentials: list[CredentialConfiguration] = []
+    unadded_to_model_list: Optional[bool] = False
 
     # pydantic configs
     model_config = ConfigDict(protected_namespaces=())
 
 
+class UnaddedModelConfiguration(BaseModel):
+    """
+    Model class for provider unadded model configuration.
+    """
+
+    model: str
+    model_type: ModelType
+
+
 class CustomConfiguration(BaseModel):
     """
     Model class for provider custom configuration.
@@ -123,6 +133,7 @@ class CustomConfiguration(BaseModel):
 
     provider: Optional[CustomProviderConfiguration] = None
     models: list[CustomModelConfiguration] = []
+    can_added_models: list[UnaddedModelConfiguration] = []
 
 
 class ModelLoadBalancingConfiguration(BaseModel):
@@ -144,6 +155,7 @@ class ModelSettings(BaseModel):
     model: str
     model_type: ModelType
     enabled: bool = True
+    load_balancing_enabled: bool = False
     load_balancing_configs: list[ModelLoadBalancingConfiguration] = []
 
     # pydantic configs

api/core/provider_manager.py

@@ -1,8 +1,9 @@
 import contextlib
 import json
 from collections import defaultdict
+from collections.abc import Sequence
 from json import JSONDecodeError
-from typing import Any, Optional
+from typing import Any, Optional, cast
 
 from sqlalchemy import select
 from sqlalchemy.exc import IntegrityError
@@ -22,6 +23,7 @@ from core.entities.provider_entities import (
     QuotaConfiguration,
     QuotaUnit,
     SystemConfiguration,
+    UnaddedModelConfiguration,
 )
 from core.helper import encrypter
 from core.helper.model_provider_cache import ProviderCredentialsCache, ProviderCredentialsCacheType
@@ -537,6 +539,23 @@ class ProviderManager:
             for credential in available_credentials
         ]
 
+    @staticmethod
+    def get_credentials_from_provider_model(tenant_id: str, provider_name: str) -> Sequence[ProviderModelCredential]:
+        """
+        Get all the credentials records from ProviderModelCredential by provider_name
+
+        :param tenant_id: workspace id
+        :param provider_name: provider name
+
+        """
+        with Session(db.engine, expire_on_commit=False) as session:
+            stmt = select(ProviderModelCredential).where(
+                ProviderModelCredential.tenant_id == tenant_id, ProviderModelCredential.provider_name == provider_name
+            )
+
+            all_credentials = session.scalars(stmt).all()
+            return all_credentials
+
     @staticmethod
     def _init_trial_provider_records(
         tenant_id: str, provider_name_to_provider_records_dict: dict[str, list[Provider]]
@@ -623,6 +642,44 @@ class ProviderManager:
         :param provider_model_records: provider model records
         :return:
         """
+        # Get custom provider configuration
+        custom_provider_configuration = self._get_custom_provider_configuration(
+            tenant_id, provider_entity, provider_records
+        )
+
+        # Get all model credentials once
+        all_model_credentials = self.get_credentials_from_provider_model(tenant_id, provider_entity.provider)
+
+        # Get custom models which have not been added to the model list yet
+        unadded_models = self._get_can_added_models(provider_model_records, all_model_credentials)
+
+        # Get custom model configurations
+        custom_model_configurations = self._get_custom_model_configurations(
+            tenant_id, provider_entity, provider_model_records, unadded_models, all_model_credentials
+        )
+
+        can_added_models = [
+            UnaddedModelConfiguration(model=model["model"], model_type=model["model_type"]) for model in unadded_models
+        ]
+
+        return CustomConfiguration(
+            provider=custom_provider_configuration,
+            models=custom_model_configurations,
+            can_added_models=can_added_models,
+        )
+
+    def _get_custom_provider_configuration(
+        self, tenant_id: str, provider_entity: ProviderEntity, provider_records: list[Provider]
+    ) -> CustomProviderConfiguration | None:
+        """Get custom provider configuration."""
+        # Find custom provider record (non-system)
+        custom_provider_record = next(
+            (record for record in provider_records if record.provider_type != ProviderType.SYSTEM.value), None
+        )
+
+        if not custom_provider_record:
+            return None
+
         # Get provider credential secret variables
         provider_credential_secret_variables = self._extract_secret_variables(
             provider_entity.provider_credential_schema.credential_form_schemas
@@ -630,113 +687,98 @@ class ProviderManager:
             else []
         )
 
-        # Get custom provider record
+        # Get and decrypt provider credentials
-        custom_provider_record = None
+        provider_credentials = self._get_and_decrypt_credentials(
-        for provider_record in provider_records:
+            tenant_id=tenant_id,
-            if provider_record.provider_type == ProviderType.SYSTEM.value:
+            record_id=custom_provider_record.id,
-                continue
+            encrypted_config=custom_provider_record.encrypted_config,
+            secret_variables=provider_credential_secret_variables,
+            cache_type=ProviderCredentialsCacheType.PROVIDER,
+            is_provider=True,
+        )
 
-            custom_provider_record = provider_record
+        return CustomProviderConfiguration(
+            credentials=provider_credentials,
+            current_credential_name=custom_provider_record.credential_name,
+            current_credential_id=custom_provider_record.credential_id,
+            available_credentials=self.get_provider_available_credentials(
+                tenant_id, custom_provider_record.provider_name
+            ),
+        )
 
-        # Get custom provider credentials
+    def _get_can_added_models(
-        custom_provider_configuration = None
+        self, provider_model_records: list[ProviderModel], all_model_credentials: Sequence[ProviderModelCredential]
-        if custom_provider_record:
+    ) -> list[dict]:
-            provider_credentials_cache = ProviderCredentialsCache(
+        """Get the custom models and credentials from enterprise version which haven't add to the model list"""
-                tenant_id=tenant_id,
+        existing_model_set = {(record.model_name, record.model_type) for record in provider_model_records}
-                identity_id=custom_provider_record.id,
-                cache_type=ProviderCredentialsCacheType.PROVIDER,
-            )
 
-            # Get cached provider credentials
+        # Get not added custom models credentials
-            cached_provider_credentials = provider_credentials_cache.get()
+        not_added_custom_models_credentials = [
+            credential
+            for credential in all_model_credentials
+            if (credential.model_name, credential.model_type) not in existing_model_set
+        ]
 
-            if not cached_provider_credentials:
+        # Group credentials by model
-                try:
+        model_to_credentials = defaultdict(list)
-                    # fix origin data
+        for credential in not_added_custom_models_credentials:
-                    if custom_provider_record.encrypted_config is None:
+            model_to_credentials[(credential.model_name, credential.model_type)].append(credential)
-                        provider_credentials = {}
-                    elif not custom_provider_record.encrypted_config.startswith("{"):
-                        provider_credentials = {"openai_api_key": custom_provider_record.encrypted_config}
-                    else:
-                        provider_credentials = json.loads(custom_provider_record.encrypted_config)
-                except JSONDecodeError:
-                    provider_credentials = {}
 
-                # Get decoding rsa key and cipher for decrypting credentials
+        return [
-                if self.decoding_rsa_key is None or self.decoding_cipher_rsa is None:
+            {
-                    self.decoding_rsa_key, self.decoding_cipher_rsa = encrypter.get_decrypt_decoding(tenant_id)
+                "model": model_key[0],
+                "model_type": ModelType.value_of(model_key[1]),
+                "available_model_credentials": [
+                    CredentialConfiguration(credential_id=cred.id, credential_name=cred.credential_name)
+                    for cred in creds
+                ],
+            }
+            for model_key, creds in model_to_credentials.items()
+        ]
 
-                for variable in provider_credential_secret_variables:
+    def _get_custom_model_configurations(
-                    if variable in provider_credentials:
+        self,
-                        with contextlib.suppress(ValueError):
+        tenant_id: str,
-                            provider_credentials[variable] = encrypter.decrypt_token_with_decoding(
+        provider_entity: ProviderEntity,
-                                provider_credentials.get(variable) or "",  # type: ignore
+        provider_model_records: list[ProviderModel],
-                                self.decoding_rsa_key,
+        can_added_models: list[dict],
-                                self.decoding_cipher_rsa,
+        all_model_credentials: Sequence[ProviderModelCredential],
-                            )
+    ) -> list[CustomModelConfiguration]:
-
+        """Get custom model configurations."""
-                # cache provider credentials
+        # Get model credential secret variables
-                provider_credentials_cache.set(credentials=provider_credentials)
-            else:
-                provider_credentials = cached_provider_credentials
-
-            custom_provider_configuration = CustomProviderConfiguration(
-                credentials=provider_credentials,
-                current_credential_name=custom_provider_record.credential_name,
-                current_credential_id=custom_provider_record.credential_id,
-                available_credentials=self.get_provider_available_credentials(
-                    tenant_id, custom_provider_record.provider_name
-                ),
-            )
-
-        # Get provider model credential secret variables
         model_credential_secret_variables = self._extract_secret_variables(
             provider_entity.model_credential_schema.credential_form_schemas
             if provider_entity.model_credential_schema
             else []
         )
 
-        # Get custom provider model credentials
+        # Create credentials lookup for efficient access
+        credentials_map = defaultdict(list)
+        for credential in all_model_credentials:
+            credentials_map[(credential.model_name, credential.model_type)].append(credential)
+
         custom_model_configurations = []
+
+        # Process existing model records
         for provider_model_record in provider_model_records:
-            available_model_credentials = self.get_provider_model_available_credentials(
+            # Use pre-fetched credentials instead of individual database calls
-                tenant_id,
+            available_model_credentials = [
-                provider_model_record.provider_name,
+                CredentialConfiguration(credential_id=cred.id, credential_name=cred.credential_name)
-                provider_model_record.model_name,
+                for cred in credentials_map.get(
-                provider_model_record.model_type,
+                    (provider_model_record.model_name, provider_model_record.model_type), []
+                )
+            ]
+
+            # Get and decrypt model credentials
+            provider_model_credentials = self._get_and_decrypt_credentials(
+                tenant_id=tenant_id,
+                record_id=provider_model_record.id,
+                encrypted_config=provider_model_record.encrypted_config,
+                secret_variables=model_credential_secret_variables,
+                cache_type=ProviderCredentialsCacheType.MODEL,
+                is_provider=False,
             )
 
-            provider_model_credentials_cache = ProviderCredentialsCache(
-                tenant_id=tenant_id, identity_id=provider_model_record.id, cache_type=ProviderCredentialsCacheType.MODEL
-            )
-
-            # Get cached provider model credentials
-            cached_provider_model_credentials = provider_model_credentials_cache.get()
-
-            if not cached_provider_model_credentials and provider_model_record.encrypted_config:
-                try:
-                    provider_model_credentials = json.loads(provider_model_record.encrypted_config)
-                except JSONDecodeError:
-                    continue
-
-                # Get decoding rsa key and cipher for decrypting credentials
-                if self.decoding_rsa_key is None or self.decoding_cipher_rsa is None:
-                    self.decoding_rsa_key, self.decoding_cipher_rsa = encrypter.get_decrypt_decoding(tenant_id)
-
-                for variable in model_credential_secret_variables:
-                    if variable in provider_model_credentials:
-                        with contextlib.suppress(ValueError):
-                            provider_model_credentials[variable] = encrypter.decrypt_token_with_decoding(
-                                provider_model_credentials.get(variable),
-                                self.decoding_rsa_key,
-                                self.decoding_cipher_rsa,
-                            )
-
-                # cache provider model credentials
-                provider_model_credentials_cache.set(credentials=provider_model_credentials)
-            else:
-                provider_model_credentials = cached_provider_model_credentials
-
             custom_model_configurations.append(
                 CustomModelConfiguration(
                     model=provider_model_record.model_name,
@@ -748,7 +790,71 @@ class ProviderManager:
                 )
             )
 
-        return CustomConfiguration(provider=custom_provider_configuration, models=custom_model_configurations)
+        # Add models that can be added
+        for model in can_added_models:
+            custom_model_configurations.append(
+                CustomModelConfiguration(
+                    model=model["model"],
+                    model_type=model["model_type"],
+                    credentials=None,
+                    current_credential_id=None,
+                    current_credential_name=None,
+                    available_model_credentials=model["available_model_credentials"],
+                    unadded_to_model_list=True,
+                )
+            )
+
+        return custom_model_configurations
+
+    def _get_and_decrypt_credentials(
+        self,
+        tenant_id: str,
+        record_id: str,
+        encrypted_config: str | None,
+        secret_variables: list[str],
+        cache_type: ProviderCredentialsCacheType,
+        is_provider: bool = False,
+    ) -> dict:
+        """Get and decrypt credentials with caching."""
+        credentials_cache = ProviderCredentialsCache(
+            tenant_id=tenant_id,
+            identity_id=record_id,
+            cache_type=cache_type,
+        )
+
+        # Try to get from cache first
+        cached_credentials = credentials_cache.get()
+        if cached_credentials:
+            return cached_credentials
+
+        # Parse encrypted config
+        if not encrypted_config:
+            return {}
+
+        if is_provider and not encrypted_config.startswith("{"):
+            return {"openai_api_key": encrypted_config}
+
+        try:
+            credentials = cast(dict, json.loads(encrypted_config))
+        except JSONDecodeError:
+            return {}
+
+        # Decrypt secret variables
+        if self.decoding_rsa_key is None or self.decoding_cipher_rsa is None:
+            self.decoding_rsa_key, self.decoding_cipher_rsa = encrypter.get_decrypt_decoding(tenant_id)
+
+        for variable in secret_variables:
+            if variable in credentials:
+                with contextlib.suppress(ValueError):
+                    credentials[variable] = encrypter.decrypt_token_with_decoding(
+                        credentials.get(variable) or "",
+                        self.decoding_rsa_key,
+                        self.decoding_cipher_rsa,
+                    )
+
+        # Cache the decrypted credentials
+        credentials_cache.set(credentials=credentials)
+        return credentials
 
     def _to_system_configuration(
         self, tenant_id: str, provider_entity: ProviderEntity, provider_records: list[Provider]
@@ -956,18 +1062,6 @@ class ProviderManager:
                         load_balancing_model_config.model_name == provider_model_setting.model_name
                         and load_balancing_model_config.model_type == provider_model_setting.model_type
                     ):
-                        if load_balancing_model_config.name == "__delete__":
-                            # to calculate current model whether has invalidate lb configs
-                            load_balancing_configs.append(
-                                ModelLoadBalancingConfiguration(
-                                    id=load_balancing_model_config.id,
-                                    name=load_balancing_model_config.name,
-                                    credentials={},
-                                    credential_source_type=load_balancing_model_config.credential_source_type,
-                                )
-                            )
-                            continue
-
                         if not load_balancing_model_config.enabled:
                             continue
 
@@ -1033,6 +1127,7 @@ class ProviderManager:
                     model=provider_model_setting.model_name,
                     model_type=ModelType.value_of(provider_model_setting.model_type),
                     enabled=provider_model_setting.enabled,
+                    load_balancing_enabled=provider_model_setting.load_balancing_enabled,
                     load_balancing_configs=load_balancing_configs if len(load_balancing_configs) > 1 else [],
                 )
             )

api/services/entities/model_provider_entities.py

@@ -13,6 +13,7 @@ from core.entities.provider_entities import (
     CustomModelConfiguration,
     ProviderQuotaType,
     QuotaConfiguration,
+    UnaddedModelConfiguration,
 )
 from core.model_runtime.entities.common_entities import I18nObject
 from core.model_runtime.entities.model_entities import ModelType
@@ -45,6 +46,7 @@ class CustomConfigurationResponse(BaseModel):
     current_credential_name: Optional[str] = None
     available_credentials: Optional[list[CredentialConfiguration]] = None
     custom_models: Optional[list[CustomModelConfiguration]] = None
+    can_added_models: Optional[list[UnaddedModelConfiguration]] = None
 
 
 class SystemConfigurationResponse(BaseModel):

api/services/model_load_balancing_service.py

@@ -3,6 +3,8 @@ import logging
 from json import JSONDecodeError
 from typing import Optional, Union
 
+from sqlalchemy import or_
+
 from constants import HIDDEN_VALUE
 from core.entities.provider_configuration import ProviderConfiguration
 from core.helper import encrypter
@@ -69,7 +71,7 @@ class ModelLoadBalancingService:
         provider_configuration.disable_model_load_balancing(model=model, model_type=ModelType.value_of(model_type))
 
     def get_load_balancing_configs(
-        self, tenant_id: str, provider: str, model: str, model_type: str
+        self, tenant_id: str, provider: str, model: str, model_type: str, config_from: str = ""
     ) -> tuple[bool, list[dict]]:
         """
         Get load balancing configurations.
@@ -100,6 +102,11 @@ class ModelLoadBalancingService:
         if provider_model_setting and provider_model_setting.load_balancing_enabled:
             is_load_balancing_enabled = True
 
+        if config_from == "predefined-model":
+            credential_source_type = "provider"
+        else:
+            credential_source_type = "custom_model"
+
         # Get load balancing configurations
         load_balancing_configs = (
             db.session.query(LoadBalancingModelConfig)
@@ -108,6 +115,10 @@ class ModelLoadBalancingService:
                 LoadBalancingModelConfig.provider_name == provider_configuration.provider.provider,
                 LoadBalancingModelConfig.model_type == model_type_enum.to_origin_model_type(),
                 LoadBalancingModelConfig.model_name == model,
+                or_(
+                    LoadBalancingModelConfig.credential_source_type == credential_source_type,
+                    LoadBalancingModelConfig.credential_source_type.is_(None),
+                ),
             )
             .order_by(LoadBalancingModelConfig.created_at)
             .all()
@@ -405,7 +416,7 @@ class ModelLoadBalancingService:
                 self._clear_credentials_cache(tenant_id, config_id)
             else:
                 # create load balancing config
-                if name in {"__inherit__", "__delete__"}:
+                if name == "__inherit__":
                     raise ValueError("Invalid load balancing config name")
 
                 if credential_id:

api/services/model_provider_service.py

@@ -72,6 +72,7 @@ class ModelProviderService:
 
             provider_config = provider_configuration.custom_configuration.provider
             model_config = provider_configuration.custom_configuration.models
+            can_added_models = provider_configuration.custom_configuration.can_added_models
 
             provider_response = ProviderResponse(
                 tenant_id=tenant_id,
@@ -95,6 +96,7 @@ class ModelProviderService:
                     current_credential_name=getattr(provider_config, "current_credential_name", None),
                     available_credentials=getattr(provider_config, "available_credentials", []),
                     custom_models=model_config,
+                    can_added_models=can_added_models,
                 ),
                 system_configuration=SystemConfigurationResponse(
                     enabled=provider_configuration.system_configuration.enabled,
@@ -152,7 +154,7 @@ class ModelProviderService:
         provider_configuration.validate_provider_credentials(credentials)
 
     def create_provider_credential(
-        self, tenant_id: str, provider: str, credentials: dict, credential_name: str
+        self, tenant_id: str, provider: str, credentials: dict, credential_name: str | None
     ) -> None:
         """
         Create and save new provider credentials.
@@ -172,7 +174,7 @@ class ModelProviderService:
         provider: str,
         credentials: dict,
         credential_id: str,
-        credential_name: str,
+        credential_name: str | None,
     ) -> None:
         """
         update a saved provider credential (by credential_id).
@@ -249,7 +251,7 @@ class ModelProviderService:
         )
 
     def create_model_credential(
-        self, tenant_id: str, provider: str, model_type: str, model: str, credentials: dict, credential_name: str
+        self, tenant_id: str, provider: str, model_type: str, model: str, credentials: dict, credential_name: str | None
     ) -> None:
         """
         create and save model credentials.
@@ -278,7 +280,7 @@ class ModelProviderService:
         model: str,
         credentials: dict,
         credential_id: str,
-        credential_name: str,
+        credential_name: str | None,
     ) -> None:
         """
         update model credentials.