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# frozen_string_literal: true
require 'mime/types'
module API
# MLFlow integration API, replicating the Rest API https://www.mlflow.org/docs/latest/rest-api.html#rest-api
module Ml
module Mlflow
class RegisteredModels < ::API::Base
feature_category :mlops
before do
check_api_read!
check_api_model_registry_read!
check_api_write! if route.settings.dig(:api, :write)
check_api_model_registry_write! if route.settings.dig(:model_registry, :write)
end
resource 'registered-models' do
desc 'Creates a Registered Model.' do
success Entities::Ml::Mlflow::RegisteredModel
detail 'MLFlow Registered Models map to GitLab Models. https://mlflow.org/docs/2.6.0/rest-api.html#create-registeredmodel'
end
route_setting :api, write: true
route_setting :model_registry, write: true
params do
requires :name, type: String,
desc: 'Register models under this name.'
optional :description, type: String,
desc: 'Optional description for registered model.'
optional :tags, type: Array, desc: 'Additional metadata for registered model.'
end
post 'create', urgency: :low do
model = ::Ml::CreateModelService.new(
user_project,
params[:name],
current_user,
params[:description],
params[:tags]
).execute
resource_already_exists! unless model.persisted?
present model,
with: Entities::Ml::Mlflow::RegisteredModel,
root: :registered_model
rescue ActiveRecord::RecordInvalid
resource_already_exists!
end
desc 'Fetch a Registered Model by Name' do
success Entities::Ml::Mlflow::RegisteredModel
detail 'https://www.mlflow.org/docs/1.28.0/rest-api.html#get-registeredmodel'
end
params do
# The name param is actually required, however it is listed as optional here
# we can send a custom error response required by MLFlow
optional :name, type: String, default: '',
desc: 'Registered model unique name identifier, in reference to the project'
end
get 'get', urgency: :low do
present find_model(user_project, params[:name]), with: Entities::Ml::Mlflow::RegisteredModel,
root: :registered_model
end
desc 'Update a Registered Model by Name' do
success Entities::Ml::Mlflow::RegisteredModel
detail 'https://mlflow.org/docs/2.6.0/rest-api.html#update-registeredmodel'
end
route_setting :api, write: true
route_setting :model_registry, write: true
params do
# The name param is actually required, however it is listed as optional here
# we can send a custom error response required by MLFlow
optional :name, type: String,
desc: 'Registered model unique name identifier, in reference to the project'
optional :description, type: String,
desc: 'Optional description for registered model.'
end
patch 'update', urgency: :low do
present ::Ml::UpdateModelService.new(find_model(user_project, params[:name]), params[:description]).execute,
with: Entities::Ml::Mlflow::RegisteredModel, root: :registered_model
end
desc 'Fetch the latest Model Version for the given Registered Model Name' do
success Entities::Ml::Mlflow::ModelVersion
detail 'https://mlflow.org/docs/2.6.0/rest-api.html#get-latest-modelversions'
end
params do
# The name param is actually required, however it is listed as optional here
# we can send a custom error response required by MLFlow
optional :name, type: String,
desc: 'Registered model unique name identifier, in reference to the project'
end
post 'get-latest-versions', urgency: :low do
model = find_model(user_project, params[:name])
present [model.latest_version], with: Entities::Ml::Mlflow::ModelVersion,
root: :model_versions
end
desc 'Delete a Registered Model by Name' do
success Entities::Ml::Mlflow::RegisteredModel
detail 'https://mlflow.org/docs/2.6.0/rest-api.html#delete-registeredmodel'
end
route_setting :api, write: true
route_setting :model_registry, write: true
params do
# The name param is actually required, however it is listed as optional here
# we can send a custom error response required by MLFlow
optional :name, type: String,
desc: 'Registered model unique name identifier, in reference to the project'
end
delete 'delete', urgency: :low do
resource_not_found! unless params[:name]
model = ::Ml::FindModelService.new(user_project, params[:name]).execute
resource_not_found! unless model
if ::Ml::DestroyModelService.new(model, current_user).execute
present({})
else
render_api_error!('Model could not be deleted', 400)
end
end
desc 'Search Registered Models within a project' do
success Entities::Ml::Mlflow::RegisteredModel
detail 'https://mlflow.org/docs/2.6.0/rest-api.html#search-registeredmodels'
end
params do
optional :filter,
type: String,
desc: "Filter to search models. must be in the format `name='value'`. Only filtering by name is supported"
optional :max_results,
type: Integer,
desc: 'Maximum number of models desired. Default is 200. Max threshold is 1000.',
default: 200
optional :order_by,
type: String,
desc: 'Order criteria. Can be by name or last_updated_timestamp, with optional DESC or ASC (default)' \
'Valid examples: `name`, `name DESC`, `last_updated_timestamp DESC`' \
'Sorting by model metadata is not supported.',
default: 'name ASC'
optional :page_token,
type: String,
desc: 'Token for pagination'
end
get 'search', urgency: :low do
max_results = [params[:max_results], 1000].min
finder_params = model_order_params(params)
filter_params = model_filter_params(params)
if !params[:filter].nil? && !filter_params.key?(:name)
invalid_parameter!("Invalid attribute key specified. Valid keys are '{'name'}'")
end
finder = ::Projects::Ml::ModelFinder.new(user_project, finder_params.merge(filter_params))
paginator = finder.execute.keyset_paginate(cursor: params[:page_token], per_page: max_results)
result = {
registered_models: paginator.records,
next_page_token: paginator.cursor_for_next_page
}
present result, with: Entities::Ml::Mlflow::ListRegisteredModels
end
end
end
end
end
end
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