198 lines
8.6 KiB
Ruby
198 lines
8.6 KiB
Ruby
# frozen_string_literal: true
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require 'mime/types'
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module API
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# MLFlow integration API, replicating the Rest API https://www.mlflow.org/docs/latest/rest-api.html#rest-api
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module Ml
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module Mlflow
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class Runs < ::API::Base
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feature_category :mlops
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before do
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check_api_read!
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check_api_write! unless request.get? || request.head?
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end
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resource :runs do
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desc 'Creates a Run.' do
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success Entities::Ml::Mlflow::Run
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detail 'MLFlow Runs map to GitLab Candidates. https://www.mlflow.org/docs/1.28.0/rest-api.html#create-run'
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end
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params do
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requires :experiment_id, type: Integer,
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desc: 'Id for the experiment, relative to the project'
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optional :start_time, type: Integer,
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desc: 'Unix timestamp in milliseconds of when the run started.',
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default: 0
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optional :user_id, type: String, desc: 'This will be ignored'
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optional :tags, type: Array, desc: 'Tags are stored, but not displayed'
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optional :run_name, type: String, desc: 'A name for this run'
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end
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post 'create', urgency: :low do
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present candidate_repository.create!(experiment, params[:start_time], params[:tags], params[:run_name]),
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with: Entities::Ml::Mlflow::GetRun
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end
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desc 'Gets an MLFlow Run, which maps to GitLab Candidates' do
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success Entities::Ml::Mlflow::Run
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detail 'https://www.mlflow.org/docs/1.28.0/rest-api.html#get-run'
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end
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params do
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requires :run_id, type: String, desc: 'UUID of the candidate.'
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optional :run_uuid, type: String, desc: 'This parameter is ignored'
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end
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get 'get', urgency: :low do
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present candidate, with: Entities::Ml::Mlflow::GetRun
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end
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desc 'Searches runs/candidates within a project' do
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success Entities::Ml::Mlflow::Run
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detail 'https://www.mlflow.org/docs/1.28.0/rest-api.html#search-runs' \
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'experiment_ids supports only a single experiment ID.' \
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'Introduced in GitLab 16.4'
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end
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params do
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requires :experiment_ids,
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type: Array,
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desc: 'IDs of the experiments to get searches from, relative to the project'
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optional :max_results,
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type: Integer,
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desc: 'Maximum number of runs/candidates to fetch in a page. Default is 200, maximum in 1000',
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default: 200
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optional :order_by,
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type: String,
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desc: 'Order criteria. Can be by a column of the run/candidate (created_at, name) or by a metric if' \
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'prefixed by `metrics`. Valid examples: `created_at`, `created_at DESC`, `metrics.my_metric DESC`' \
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'Sorting by candidate parameter or metadata is not supported.',
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default: 'created_at DESC'
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optional :page_token,
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type: String,
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desc: 'Token for pagination'
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end
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post 'search', urgency: :low do
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params[:experiment_id] = params[:experiment_ids][0]
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max_results = [params[:max_results], 1000].min
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finder_params = candidates_order_params(params)
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finder = ::Projects::Ml::CandidateFinder.new(experiment, finder_params)
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paginator = finder.execute.keyset_paginate(cursor: params[:page_token], per_page: max_results)
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result = {
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candidates: paginator.records,
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next_page_token: paginator.cursor_for_next_page
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}
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present result, with: Entities::Ml::Mlflow::SearchRuns
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end
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desc 'Updates a Run.' do
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success Entities::Ml::Mlflow::UpdateRun
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detail 'MLFlow Runs map to GitLab Candidates. https://www.mlflow.org/docs/1.28.0/rest-api.html#update-run'
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end
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params do
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requires :run_id, type: String, desc: 'UUID of the candidate.'
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optional :status, type: String,
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values: ::Ml::Candidate.statuses.keys.map(&:upcase),
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desc: "Status of the run. Accepts: " \
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"#{::Ml::Candidate.statuses.keys.map(&:upcase)}."
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optional :end_time, type: Integer, desc: 'Ending time of the run'
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end
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post 'update', urgency: :low do
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candidate_repository.update(candidate, params[:status], params[:end_time])
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present candidate, with: Entities::Ml::Mlflow::UpdateRun
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end
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desc 'Logs a metric to a run.' do
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summary 'Log a metric for a run. A metric is a key-value pair (string key, float value) with an ' \
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'associated timestamp. Examples include the various metrics that represent ML model accuracy. ' \
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'A metric can be logged multiple times.'
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detail 'https://www.mlflow.org/docs/1.28.0/rest-api.html#log-metric'
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end
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params do
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requires :run_id, type: String, desc: 'UUID of the run.'
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requires :key, type: String, desc: 'Name for the metric.'
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requires :value, type: Float, desc: 'Value of the metric.'
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requires :timestamp, type: Integer, desc: 'Unix timestamp in milliseconds when metric was recorded'
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optional :step, type: Integer, desc: 'Step at which the metric was recorded'
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end
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post 'log-metric', urgency: :low do
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candidate_repository.add_metric!(
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candidate,
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params[:key],
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params[:value],
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params[:timestamp],
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params[:step]
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)
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{}
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end
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desc 'Logs a parameter to a run.' do
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summary 'Log a param used for a run. A param is a key-value pair (string key, string value). ' \
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'Examples include hyperparameters used for ML model training and constant dates and values ' \
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'used in an ETL pipeline. A param can be logged only once for a run, duplicate will be .' \
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'ignored'
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detail 'https://www.mlflow.org/docs/1.28.0/rest-api.html#log-param'
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end
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params do
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requires :run_id, type: String, desc: 'UUID of the run.'
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requires :key, type: String, desc: 'Name for the parameter.'
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requires :value, type: String, desc: 'Value for the parameter.'
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end
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post 'log-parameter', urgency: :low do
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bad_request! unless candidate_repository.add_param!(candidate, params[:key], params[:value])
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{}
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end
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desc 'Sets a tag for a run.' do
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summary 'Sets a tag for a run. '
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detail 'https://www.mlflow.org/docs/1.28.0/rest-api.html#set-tag'
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end
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params do
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requires :run_id, type: String, desc: 'UUID of the run.'
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requires :key, type: String, desc: 'Name for the tag.'
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requires :value, type: String, desc: 'Value for the tag.'
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end
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post 'set-tag', urgency: :low do
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bad_request! unless candidate_repository.add_tag!(candidate, params[:key], params[:value])
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{}
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end
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desc 'Logs multiple parameters and metrics.' do
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summary 'Log a batch of metrics and params for a run. Validation errors will block the entire batch, ' \
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'duplicate errors will be ignored.'
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detail 'https://www.mlflow.org/docs/1.28.0/rest-api.html#log-param'
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end
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params do
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requires :run_id, type: String, desc: 'UUID of the run.'
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optional :metrics, type: Array, default: [] do
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requires :key, type: String, desc: 'Name for the metric.'
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requires :value, type: Float, desc: 'Value of the metric.'
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requires :timestamp, type: Integer, desc: 'Unix timestamp in milliseconds when metric was recorded'
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optional :step, type: Integer, desc: 'Step at which the metric was recorded'
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end
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optional :params, type: Array, default: [] do
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requires :key, type: String, desc: 'Name for the metric.'
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requires :value, type: String, desc: 'Value of the metric.'
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end
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end
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post 'log-batch', urgency: :low do
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candidate_repository.add_metrics(candidate, params[:metrics])
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candidate_repository.add_params(candidate, params[:params])
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candidate_repository.add_tags(candidate, params[:tags])
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{}
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end
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end
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end
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end
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end
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end
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