mirror of
https://gitee.com/dify_ai/dify.git
synced 2024-12-05 20:57:46 +08:00
566 lines
23 KiB
Python
566 lines
23 KiB
Python
import datetime
|
|
import json
|
|
import logging
|
|
from json import JSONDecodeError
|
|
from typing import Optional
|
|
|
|
from core.entities.provider_configuration import ProviderConfiguration
|
|
from core.helper import encrypter
|
|
from core.helper.model_provider_cache import ProviderCredentialsCache, ProviderCredentialsCacheType
|
|
from core.model_manager import LBModelManager
|
|
from core.model_runtime.entities.model_entities import ModelType
|
|
from core.model_runtime.entities.provider_entities import (
|
|
ModelCredentialSchema,
|
|
ProviderCredentialSchema,
|
|
)
|
|
from core.model_runtime.model_providers import model_provider_factory
|
|
from core.provider_manager import ProviderManager
|
|
from extensions.ext_database import db
|
|
from models.provider import LoadBalancingModelConfig
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class ModelLoadBalancingService:
|
|
|
|
def __init__(self) -> None:
|
|
self.provider_manager = ProviderManager()
|
|
|
|
def enable_model_load_balancing(self, tenant_id: str, provider: str, model: str, model_type: str) -> None:
|
|
"""
|
|
enable model load balancing.
|
|
|
|
:param tenant_id: workspace id
|
|
:param provider: provider name
|
|
:param model: model name
|
|
:param model_type: model type
|
|
:return:
|
|
"""
|
|
# Get all provider configurations of the current workspace
|
|
provider_configurations = self.provider_manager.get_configurations(tenant_id)
|
|
|
|
# Get provider configuration
|
|
provider_configuration = provider_configurations.get(provider)
|
|
if not provider_configuration:
|
|
raise ValueError(f"Provider {provider} does not exist.")
|
|
|
|
# Enable model load balancing
|
|
provider_configuration.enable_model_load_balancing(
|
|
model=model,
|
|
model_type=ModelType.value_of(model_type)
|
|
)
|
|
|
|
def disable_model_load_balancing(self, tenant_id: str, provider: str, model: str, model_type: str) -> None:
|
|
"""
|
|
disable model load balancing.
|
|
|
|
:param tenant_id: workspace id
|
|
:param provider: provider name
|
|
:param model: model name
|
|
:param model_type: model type
|
|
:return:
|
|
"""
|
|
# Get all provider configurations of the current workspace
|
|
provider_configurations = self.provider_manager.get_configurations(tenant_id)
|
|
|
|
# Get provider configuration
|
|
provider_configuration = provider_configurations.get(provider)
|
|
if not provider_configuration:
|
|
raise ValueError(f"Provider {provider} does not exist.")
|
|
|
|
# disable model load balancing
|
|
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) \
|
|
-> tuple[bool, list[dict]]:
|
|
"""
|
|
Get load balancing configurations.
|
|
:param tenant_id: workspace id
|
|
:param provider: provider name
|
|
:param model: model name
|
|
:param model_type: model type
|
|
:return:
|
|
"""
|
|
# Get all provider configurations of the current workspace
|
|
provider_configurations = self.provider_manager.get_configurations(tenant_id)
|
|
|
|
# Get provider configuration
|
|
provider_configuration = provider_configurations.get(provider)
|
|
if not provider_configuration:
|
|
raise ValueError(f"Provider {provider} does not exist.")
|
|
|
|
# Convert model type to ModelType
|
|
model_type = ModelType.value_of(model_type)
|
|
|
|
# Get provider model setting
|
|
provider_model_setting = provider_configuration.get_provider_model_setting(
|
|
model_type=model_type,
|
|
model=model,
|
|
)
|
|
|
|
is_load_balancing_enabled = False
|
|
if provider_model_setting and provider_model_setting.load_balancing_enabled:
|
|
is_load_balancing_enabled = True
|
|
|
|
# Get load balancing configurations
|
|
load_balancing_configs = db.session.query(LoadBalancingModelConfig) \
|
|
.filter(
|
|
LoadBalancingModelConfig.tenant_id == tenant_id,
|
|
LoadBalancingModelConfig.provider_name == provider_configuration.provider.provider,
|
|
LoadBalancingModelConfig.model_type == model_type.to_origin_model_type(),
|
|
LoadBalancingModelConfig.model_name == model
|
|
).order_by(LoadBalancingModelConfig.created_at).all()
|
|
|
|
if provider_configuration.custom_configuration.provider:
|
|
# check if the inherit configuration exists,
|
|
# inherit is represented for the provider or model custom credentials
|
|
inherit_config_exists = False
|
|
for load_balancing_config in load_balancing_configs:
|
|
if load_balancing_config.name == '__inherit__':
|
|
inherit_config_exists = True
|
|
break
|
|
|
|
if not inherit_config_exists:
|
|
# Initialize the inherit configuration
|
|
inherit_config = self._init_inherit_config(tenant_id, provider, model, model_type)
|
|
|
|
# prepend the inherit configuration
|
|
load_balancing_configs.insert(0, inherit_config)
|
|
else:
|
|
# move the inherit configuration to the first
|
|
for i, load_balancing_config in enumerate(load_balancing_configs[:]):
|
|
if load_balancing_config.name == '__inherit__':
|
|
inherit_config = load_balancing_configs.pop(i)
|
|
load_balancing_configs.insert(0, inherit_config)
|
|
|
|
# Get credential form schemas from model credential schema or provider credential schema
|
|
credential_schemas = self._get_credential_schema(provider_configuration)
|
|
|
|
# Get decoding rsa key and cipher for decrypting credentials
|
|
decoding_rsa_key, decoding_cipher_rsa = encrypter.get_decrypt_decoding(tenant_id)
|
|
|
|
# fetch status and ttl for each config
|
|
datas = []
|
|
for load_balancing_config in load_balancing_configs:
|
|
in_cooldown, ttl = LBModelManager.get_config_in_cooldown_and_ttl(
|
|
tenant_id=tenant_id,
|
|
provider=provider,
|
|
model=model,
|
|
model_type=model_type,
|
|
config_id=load_balancing_config.id
|
|
)
|
|
|
|
try:
|
|
if load_balancing_config.encrypted_config:
|
|
credentials = json.loads(load_balancing_config.encrypted_config)
|
|
else:
|
|
credentials = {}
|
|
except JSONDecodeError:
|
|
credentials = {}
|
|
|
|
# Get provider credential secret variables
|
|
credential_secret_variables = provider_configuration.extract_secret_variables(
|
|
credential_schemas.credential_form_schemas
|
|
)
|
|
|
|
# decrypt credentials
|
|
for variable in credential_secret_variables:
|
|
if variable in credentials:
|
|
try:
|
|
credentials[variable] = encrypter.decrypt_token_with_decoding(
|
|
credentials.get(variable),
|
|
decoding_rsa_key,
|
|
decoding_cipher_rsa
|
|
)
|
|
except ValueError:
|
|
pass
|
|
|
|
# Obfuscate credentials
|
|
credentials = provider_configuration.obfuscated_credentials(
|
|
credentials=credentials,
|
|
credential_form_schemas=credential_schemas.credential_form_schemas
|
|
)
|
|
|
|
datas.append({
|
|
'id': load_balancing_config.id,
|
|
'name': load_balancing_config.name,
|
|
'credentials': credentials,
|
|
'enabled': load_balancing_config.enabled,
|
|
'in_cooldown': in_cooldown,
|
|
'ttl': ttl
|
|
})
|
|
|
|
return is_load_balancing_enabled, datas
|
|
|
|
def get_load_balancing_config(self, tenant_id: str, provider: str, model: str, model_type: str, config_id: str) \
|
|
-> Optional[dict]:
|
|
"""
|
|
Get load balancing configuration.
|
|
:param tenant_id: workspace id
|
|
:param provider: provider name
|
|
:param model: model name
|
|
:param model_type: model type
|
|
:param config_id: load balancing config id
|
|
:return:
|
|
"""
|
|
# Get all provider configurations of the current workspace
|
|
provider_configurations = self.provider_manager.get_configurations(tenant_id)
|
|
|
|
# Get provider configuration
|
|
provider_configuration = provider_configurations.get(provider)
|
|
if not provider_configuration:
|
|
raise ValueError(f"Provider {provider} does not exist.")
|
|
|
|
# Convert model type to ModelType
|
|
model_type = ModelType.value_of(model_type)
|
|
|
|
# Get load balancing configurations
|
|
load_balancing_model_config = db.session.query(LoadBalancingModelConfig) \
|
|
.filter(
|
|
LoadBalancingModelConfig.tenant_id == tenant_id,
|
|
LoadBalancingModelConfig.provider_name == provider_configuration.provider.provider,
|
|
LoadBalancingModelConfig.model_type == model_type.to_origin_model_type(),
|
|
LoadBalancingModelConfig.model_name == model,
|
|
LoadBalancingModelConfig.id == config_id
|
|
).first()
|
|
|
|
if not load_balancing_model_config:
|
|
return None
|
|
|
|
try:
|
|
if load_balancing_model_config.encrypted_config:
|
|
credentials = json.loads(load_balancing_model_config.encrypted_config)
|
|
else:
|
|
credentials = {}
|
|
except JSONDecodeError:
|
|
credentials = {}
|
|
|
|
# Get credential form schemas from model credential schema or provider credential schema
|
|
credential_schemas = self._get_credential_schema(provider_configuration)
|
|
|
|
# Obfuscate credentials
|
|
credentials = provider_configuration.obfuscated_credentials(
|
|
credentials=credentials,
|
|
credential_form_schemas=credential_schemas.credential_form_schemas
|
|
)
|
|
|
|
return {
|
|
'id': load_balancing_model_config.id,
|
|
'name': load_balancing_model_config.name,
|
|
'credentials': credentials,
|
|
'enabled': load_balancing_model_config.enabled
|
|
}
|
|
|
|
def _init_inherit_config(self, tenant_id: str, provider: str, model: str, model_type: ModelType) \
|
|
-> LoadBalancingModelConfig:
|
|
"""
|
|
Initialize the inherit configuration.
|
|
:param tenant_id: workspace id
|
|
:param provider: provider name
|
|
:param model: model name
|
|
:param model_type: model type
|
|
:return:
|
|
"""
|
|
# Initialize the inherit configuration
|
|
inherit_config = LoadBalancingModelConfig(
|
|
tenant_id=tenant_id,
|
|
provider_name=provider,
|
|
model_type=model_type.to_origin_model_type(),
|
|
model_name=model,
|
|
name='__inherit__'
|
|
)
|
|
db.session.add(inherit_config)
|
|
db.session.commit()
|
|
|
|
return inherit_config
|
|
|
|
def update_load_balancing_configs(self, tenant_id: str,
|
|
provider: str,
|
|
model: str,
|
|
model_type: str,
|
|
configs: list[dict]) -> None:
|
|
"""
|
|
Update load balancing configurations.
|
|
:param tenant_id: workspace id
|
|
:param provider: provider name
|
|
:param model: model name
|
|
:param model_type: model type
|
|
:param configs: load balancing configs
|
|
:return:
|
|
"""
|
|
# Get all provider configurations of the current workspace
|
|
provider_configurations = self.provider_manager.get_configurations(tenant_id)
|
|
|
|
# Get provider configuration
|
|
provider_configuration = provider_configurations.get(provider)
|
|
if not provider_configuration:
|
|
raise ValueError(f"Provider {provider} does not exist.")
|
|
|
|
# Convert model type to ModelType
|
|
model_type = ModelType.value_of(model_type)
|
|
|
|
if not isinstance(configs, list):
|
|
raise ValueError('Invalid load balancing configs')
|
|
|
|
current_load_balancing_configs = db.session.query(LoadBalancingModelConfig) \
|
|
.filter(
|
|
LoadBalancingModelConfig.tenant_id == tenant_id,
|
|
LoadBalancingModelConfig.provider_name == provider_configuration.provider.provider,
|
|
LoadBalancingModelConfig.model_type == model_type.to_origin_model_type(),
|
|
LoadBalancingModelConfig.model_name == model
|
|
).all()
|
|
|
|
# id as key, config as value
|
|
current_load_balancing_configs_dict = {config.id: config for config in current_load_balancing_configs}
|
|
updated_config_ids = set()
|
|
|
|
for config in configs:
|
|
if not isinstance(config, dict):
|
|
raise ValueError('Invalid load balancing config')
|
|
|
|
config_id = config.get('id')
|
|
name = config.get('name')
|
|
credentials = config.get('credentials')
|
|
enabled = config.get('enabled')
|
|
|
|
if not name:
|
|
raise ValueError('Invalid load balancing config name')
|
|
|
|
if enabled is None:
|
|
raise ValueError('Invalid load balancing config enabled')
|
|
|
|
# is config exists
|
|
if config_id:
|
|
config_id = str(config_id)
|
|
|
|
if config_id not in current_load_balancing_configs_dict:
|
|
raise ValueError('Invalid load balancing config id: {}'.format(config_id))
|
|
|
|
updated_config_ids.add(config_id)
|
|
|
|
load_balancing_config = current_load_balancing_configs_dict[config_id]
|
|
|
|
# check duplicate name
|
|
for current_load_balancing_config in current_load_balancing_configs:
|
|
if current_load_balancing_config.id != config_id and current_load_balancing_config.name == name:
|
|
raise ValueError('Load balancing config name {} already exists'.format(name))
|
|
|
|
if credentials:
|
|
if not isinstance(credentials, dict):
|
|
raise ValueError('Invalid load balancing config credentials')
|
|
|
|
# validate custom provider config
|
|
credentials = self._custom_credentials_validate(
|
|
tenant_id=tenant_id,
|
|
provider_configuration=provider_configuration,
|
|
model_type=model_type,
|
|
model=model,
|
|
credentials=credentials,
|
|
load_balancing_model_config=load_balancing_config,
|
|
validate=False
|
|
)
|
|
|
|
# update load balancing config
|
|
load_balancing_config.encrypted_config = json.dumps(credentials)
|
|
|
|
load_balancing_config.name = name
|
|
load_balancing_config.enabled = enabled
|
|
load_balancing_config.updated_at = datetime.datetime.now(datetime.timezone.utc).replace(tzinfo=None)
|
|
db.session.commit()
|
|
|
|
self._clear_credentials_cache(tenant_id, config_id)
|
|
else:
|
|
# create load balancing config
|
|
if name == '__inherit__':
|
|
raise ValueError('Invalid load balancing config name')
|
|
|
|
# check duplicate name
|
|
for current_load_balancing_config in current_load_balancing_configs:
|
|
if current_load_balancing_config.name == name:
|
|
raise ValueError('Load balancing config name {} already exists'.format(name))
|
|
|
|
if not credentials:
|
|
raise ValueError('Invalid load balancing config credentials')
|
|
|
|
if not isinstance(credentials, dict):
|
|
raise ValueError('Invalid load balancing config credentials')
|
|
|
|
# validate custom provider config
|
|
credentials = self._custom_credentials_validate(
|
|
tenant_id=tenant_id,
|
|
provider_configuration=provider_configuration,
|
|
model_type=model_type,
|
|
model=model,
|
|
credentials=credentials,
|
|
validate=False
|
|
)
|
|
|
|
# create load balancing config
|
|
load_balancing_model_config = LoadBalancingModelConfig(
|
|
tenant_id=tenant_id,
|
|
provider_name=provider_configuration.provider.provider,
|
|
model_type=model_type.to_origin_model_type(),
|
|
model_name=model,
|
|
name=name,
|
|
encrypted_config=json.dumps(credentials)
|
|
)
|
|
|
|
db.session.add(load_balancing_model_config)
|
|
db.session.commit()
|
|
|
|
# get deleted config ids
|
|
deleted_config_ids = set(current_load_balancing_configs_dict.keys()) - updated_config_ids
|
|
for config_id in deleted_config_ids:
|
|
db.session.delete(current_load_balancing_configs_dict[config_id])
|
|
db.session.commit()
|
|
|
|
self._clear_credentials_cache(tenant_id, config_id)
|
|
|
|
def validate_load_balancing_credentials(self, tenant_id: str,
|
|
provider: str,
|
|
model: str,
|
|
model_type: str,
|
|
credentials: dict,
|
|
config_id: Optional[str] = None) -> None:
|
|
"""
|
|
Validate load balancing credentials.
|
|
:param tenant_id: workspace id
|
|
:param provider: provider name
|
|
:param model_type: model type
|
|
:param model: model name
|
|
:param credentials: credentials
|
|
:param config_id: load balancing config id
|
|
:return:
|
|
"""
|
|
# Get all provider configurations of the current workspace
|
|
provider_configurations = self.provider_manager.get_configurations(tenant_id)
|
|
|
|
# Get provider configuration
|
|
provider_configuration = provider_configurations.get(provider)
|
|
if not provider_configuration:
|
|
raise ValueError(f"Provider {provider} does not exist.")
|
|
|
|
# Convert model type to ModelType
|
|
model_type = ModelType.value_of(model_type)
|
|
|
|
load_balancing_model_config = None
|
|
if config_id:
|
|
# Get load balancing config
|
|
load_balancing_model_config = db.session.query(LoadBalancingModelConfig) \
|
|
.filter(
|
|
LoadBalancingModelConfig.tenant_id == tenant_id,
|
|
LoadBalancingModelConfig.provider_name == provider,
|
|
LoadBalancingModelConfig.model_type == model_type.to_origin_model_type(),
|
|
LoadBalancingModelConfig.model_name == model,
|
|
LoadBalancingModelConfig.id == config_id
|
|
).first()
|
|
|
|
if not load_balancing_model_config:
|
|
raise ValueError(f"Load balancing config {config_id} does not exist.")
|
|
|
|
# Validate custom provider config
|
|
self._custom_credentials_validate(
|
|
tenant_id=tenant_id,
|
|
provider_configuration=provider_configuration,
|
|
model_type=model_type,
|
|
model=model,
|
|
credentials=credentials,
|
|
load_balancing_model_config=load_balancing_model_config
|
|
)
|
|
|
|
def _custom_credentials_validate(self, tenant_id: str,
|
|
provider_configuration: ProviderConfiguration,
|
|
model_type: ModelType,
|
|
model: str,
|
|
credentials: dict,
|
|
load_balancing_model_config: Optional[LoadBalancingModelConfig] = None,
|
|
validate: bool = True) -> dict:
|
|
"""
|
|
Validate custom credentials.
|
|
:param tenant_id: workspace id
|
|
:param provider_configuration: provider configuration
|
|
:param model_type: model type
|
|
:param model: model name
|
|
:param credentials: credentials
|
|
:param load_balancing_model_config: load balancing model config
|
|
:param validate: validate credentials
|
|
:return:
|
|
"""
|
|
# Get credential form schemas from model credential schema or provider credential schema
|
|
credential_schemas = self._get_credential_schema(provider_configuration)
|
|
|
|
# Get provider credential secret variables
|
|
provider_credential_secret_variables = provider_configuration.extract_secret_variables(
|
|
credential_schemas.credential_form_schemas
|
|
)
|
|
|
|
if load_balancing_model_config:
|
|
try:
|
|
# fix origin data
|
|
if load_balancing_model_config.encrypted_config:
|
|
original_credentials = json.loads(load_balancing_model_config.encrypted_config)
|
|
else:
|
|
original_credentials = {}
|
|
except JSONDecodeError:
|
|
original_credentials = {}
|
|
|
|
# encrypt credentials
|
|
for key, value in credentials.items():
|
|
if key in provider_credential_secret_variables:
|
|
# if send [__HIDDEN__] in secret input, it will be same as original value
|
|
if value == '[__HIDDEN__]' and key in original_credentials:
|
|
credentials[key] = encrypter.decrypt_token(tenant_id, original_credentials[key])
|
|
|
|
if validate:
|
|
if isinstance(credential_schemas, ModelCredentialSchema):
|
|
credentials = model_provider_factory.model_credentials_validate(
|
|
provider=provider_configuration.provider.provider,
|
|
model_type=model_type,
|
|
model=model,
|
|
credentials=credentials
|
|
)
|
|
else:
|
|
credentials = model_provider_factory.provider_credentials_validate(
|
|
provider=provider_configuration.provider.provider,
|
|
credentials=credentials
|
|
)
|
|
|
|
for key, value in credentials.items():
|
|
if key in provider_credential_secret_variables:
|
|
credentials[key] = encrypter.encrypt_token(tenant_id, value)
|
|
|
|
return credentials
|
|
|
|
def _get_credential_schema(self, provider_configuration: ProviderConfiguration) \
|
|
-> ModelCredentialSchema | ProviderCredentialSchema:
|
|
"""
|
|
Get form schemas.
|
|
:param provider_configuration: provider configuration
|
|
:return:
|
|
"""
|
|
# Get credential form schemas from model credential schema or provider credential schema
|
|
if provider_configuration.provider.model_credential_schema:
|
|
credential_schema = provider_configuration.provider.model_credential_schema
|
|
else:
|
|
credential_schema = provider_configuration.provider.provider_credential_schema
|
|
|
|
return credential_schema
|
|
|
|
def _clear_credentials_cache(self, tenant_id: str, config_id: str) -> None:
|
|
"""
|
|
Clear credentials cache.
|
|
:param tenant_id: workspace id
|
|
:param config_id: load balancing config id
|
|
:return:
|
|
"""
|
|
provider_model_credentials_cache = ProviderCredentialsCache(
|
|
tenant_id=tenant_id,
|
|
identity_id=config_id,
|
|
cache_type=ProviderCredentialsCacheType.LOAD_BALANCING_MODEL
|
|
)
|
|
|
|
provider_model_credentials_cache.delete()
|