/
ensemblers_api.go
396 lines (348 loc) · 12.1 KB
/
ensemblers_api.go
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package api
import (
"context"
"fmt"
"net/http"
"strconv"
mlp "github.com/caraml-dev/mlp/api/client"
"github.com/caraml-dev/turing/api/turing/api/request"
"github.com/caraml-dev/turing/api/turing/models"
"github.com/caraml-dev/turing/api/turing/service"
)
type EnsemblersController struct {
BaseController
}
func (c EnsemblersController) ListEnsemblers(
_ *http.Request,
vars RequestVars,
_ interface{},
) *Response {
options := service.EnsemblersListOptions{}
if err := c.ParseVars(&options, vars); err != nil {
return BadRequest("unable to list ensemblers",
fmt.Sprintf("failed to parse query string: %s", err))
}
results, err := c.EnsemblersService.List(options)
if err != nil {
return InternalServerError("unable to list ensemblers", err.Error())
}
return Ok(results)
}
func (c EnsemblersController) GetEnsembler(
_ *http.Request,
vars RequestVars,
_ interface{},
) *Response {
options := EnsemblersPathOptions{}
if err := c.ParseVars(&options, vars); err != nil {
return BadRequest("failed to fetch ensembler",
fmt.Sprintf("failed to parse query string: %s", err))
}
ensembler, err := c.EnsemblersService.FindByID(
*options.EnsemblerID,
service.EnsemblersFindByIDOptions{
ProjectID: options.ProjectID,
})
if err != nil {
return NotFound("ensembler not found", err.Error())
}
return Ok(ensembler)
}
func (c EnsemblersController) CreateEnsembler(
_ *http.Request,
vars RequestVars,
body interface{},
) *Response {
var errResp *Response
var project *mlp.Project
if project, errResp = c.getProjectFromRequestVars(vars); errResp != nil {
return errResp
}
var err error
ensembler := body.(*request.CreateOrUpdateEnsemblerRequest).EnsemblerLike
ensembler.SetProjectID(models.ID(project.ID))
ensembler, err = c.EnsemblersService.Save(ensembler)
if err != nil {
return InternalServerError("unable to save the ensembler", err.Error())
}
return Created(ensembler)
}
func (c EnsemblersController) UpdateEnsembler(
_ *http.Request,
vars RequestVars,
body interface{},
) *Response {
options := EnsemblersPathOptions{}
if err := c.ParseVars(&options, vars); err != nil {
return BadRequest("failed to fetch ensembler",
fmt.Sprintf("failed to parse query string: %s", err))
}
ensembler, err := c.EnsemblersService.FindByID(
*options.EnsemblerID,
service.EnsemblersFindByIDOptions{
ProjectID: options.ProjectID,
})
if err != nil {
return NotFound("ensembler not found", err.Error())
}
request := body.(*request.CreateOrUpdateEnsemblerRequest)
if ensembler.GetType() != request.GetType() {
return BadRequest("invalid ensembler configuration",
"Ensembler type cannot be changed after creation")
}
pyFuncEnsembler, isPyfunc := ensembler.(*models.PyFuncEnsembler)
var oldPyFuncEnsembler models.PyFuncEnsembler
if isPyfunc {
oldPyFuncEnsembler = models.PyFuncEnsembler{
RunID: pyFuncEnsembler.RunID,
ArtifactURI: pyFuncEnsembler.ArtifactURI,
}
}
if err = ensembler.Patch(request.EnsemblerLike); err != nil {
return BadRequest("invalid ensembler configuration", err.Error())
}
ensembler, err = c.EnsemblersService.Save(ensembler)
if err != nil {
// Delete If Only RunID is changed
// If only the ensembler name that changed, mlflow won't create a new run, so we don't need to delete old / new run
// Since the sdk already create a new mlflow run, when the update failed, we need to clean up the new mlflow run
if isPyfunc && oldPyFuncEnsembler.RunID != pyFuncEnsembler.RunID {
pyFuncErr := c.MlflowService.DeleteRun(context.Background(),
pyFuncEnsembler.RunID, pyFuncEnsembler.ArtifactURI, true)
if pyFuncErr != nil {
return InternalServerError("failed to update the ensembler", "cleanup process failed")
}
}
return InternalServerError("failed to update the ensembler", err.Error())
}
// Delete If Only RunID is changed
// If only the ensembler name that changed, mlflow won't create a new run, so we don't need to delete old / new run
// The update is success, and now we need to cleanup old ensembler
if isPyfunc && oldPyFuncEnsembler.RunID != pyFuncEnsembler.RunID {
err = c.MlflowService.DeleteRun(context.Background(), oldPyFuncEnsembler.RunID, oldPyFuncEnsembler.ArtifactURI, true)
if err != nil {
fmt.Printf("failed to delete mlflow old run: %s", err.Error())
}
}
return Ok(ensembler)
}
func (c EnsemblersController) DeleteEnsembler(
_ *http.Request,
vars RequestVars,
_ interface{},
) *Response {
options := EnsemblersPathOptions{}
if err := c.ParseVars(&options, vars); err != nil {
return BadRequest("failed to fetch ensembler",
fmt.Sprintf("failed to parse query string: %s", err))
}
ensembler, err := c.EnsemblersService.FindByID(
*options.EnsemblerID,
service.EnsemblersFindByIDOptions{
ProjectID: options.ProjectID,
})
if err != nil {
return NotFound("ensembler not found", err.Error())
}
// First we need to check if there are active job / router using the ensembler
// If such ensembler exist, the deletion process are restricted
// Check if there are any deployed / pending router version using the ensembler
httpStatus, err := c.checkActiveRouterVersion(options)
if err != nil {
return Error(httpStatus, "failed to delete the ensembler", err.Error())
}
// Check if there are any current router version using the ensembler
httpStatus, err = c.checkCurrentRouterVersion(options)
if err != nil {
return Error(httpStatus, "failed to delete the ensembler", err.Error())
}
// Check if there are any building / pending / running ensembling jobs using the ensembler
httpStatus, err = c.checkActiveEnsemblingJob(options)
if err != nil {
return Error(httpStatus, "failed to delete the ensembler", err.Error())
}
// If no active job / router is using the ensembler, we can proceed to delete it.
// However, the inactive router versions and jobs using the ensembler will have to be deleted.
// Deleting inactive router versions
httpStatus, err = c.deleteInactiveRouterVersion(options)
if err != nil {
return Error(httpStatus, "unable to delete router version", err.Error())
}
// Deleting inactive ensembling jobs
httpStatus, err = c.deleteInactiveEnsemblingJob(options)
if err != nil {
return Error(httpStatus, "unable to delete ensembling job", err.Error())
}
httpStatus, err = c.deleteEnsembler(ensembler)
if err != nil {
return Error(httpStatus, "failed to delete the ensembler", err.Error())
}
return Ok(map[string]int{"id": int(ensembler.GetID())})
}
func (c EnsemblersController) checkActiveRouterVersion(options EnsemblersPathOptions) (int, error) {
routerVersionStatusActive := []models.RouterVersionStatus{
models.RouterVersionStatusDeployed,
models.RouterVersionStatusPending,
}
activeOption := service.RouterVersionListOptions{
ProjectID: options.ProjectID,
EnsemblerID: options.EnsemblerID,
Statuses: routerVersionStatusActive,
}
activeRouterVersions, err := c.RouterVersionsService.ListRouterVersionsWithFilter(activeOption)
if err != nil {
return http.StatusInternalServerError, err
}
if len(activeRouterVersions) >= 1 {
return http.StatusBadRequest, fmt.Errorf("there are active router version using this ensembler")
}
return http.StatusOK, nil
}
func (c EnsemblersController) checkCurrentRouterVersion(options EnsemblersPathOptions) (int, error) {
activeOption := service.RouterVersionListOptions{
ProjectID: options.ProjectID,
EnsemblerID: options.EnsemblerID,
IsCurrent: true,
}
activeCurrentRouterVersions, err := c.RouterVersionsService.ListRouterVersionsWithFilter(activeOption)
if err != nil {
return http.StatusInternalServerError, err
}
if len(activeCurrentRouterVersions) >= 1 {
return http.StatusBadRequest, fmt.Errorf("" +
"there are router version that is currently being used by a router using this ensembler",
)
}
return http.StatusOK, nil
}
func (c EnsemblersController) checkActiveEnsemblingJob(options EnsemblersPathOptions) (int, error) {
// Batch ensembling is not enabled
if c.EnsemblingJobService == nil {
return http.StatusOK, nil
}
ensemblingJobActiveOption := service.EnsemblingJobListOptions{
EnsemblerID: options.EnsemblerID,
Statuses: []models.Status{
models.JobPending,
models.JobBuildingImage,
models.JobRunning,
models.JobTerminating,
},
}
activeEnsemblingJobs, err := c.EnsemblingJobService.List(ensemblingJobActiveOption)
if err != nil {
return http.StatusInternalServerError, err
}
if activeEnsemblingJobs.Paging.Total >= 1 {
return http.StatusBadRequest, fmt.Errorf("there are active ensembling job using this ensembler or " +
"there is ensembling job in terminating process, please wait until the job is successfully terminated")
}
return http.StatusOK, nil
}
func (c EnsemblersController) deleteInactiveRouterVersion(options EnsemblersPathOptions) (int, error) {
routerVersionStatusInactive := []models.RouterVersionStatus{
models.RouterVersionStatusFailed,
models.RouterVersionStatusUndeployed,
}
inactiveOption := service.RouterVersionListOptions{
ProjectID: options.ProjectID,
EnsemblerID: options.EnsemblerID,
Statuses: routerVersionStatusInactive,
}
inactiveRouterVersions, err := c.RouterVersionsService.ListRouterVersionsWithFilter(inactiveOption)
if err != nil {
return http.StatusInternalServerError, err
}
for _, routerVersion := range inactiveRouterVersions {
err = c.RouterVersionsService.Delete(routerVersion)
if err != nil {
return http.StatusInternalServerError, err
}
}
return http.StatusOK, nil
}
func (c EnsemblersController) deleteInactiveEnsemblingJob(options EnsemblersPathOptions) (int, error) {
// Batch ensembling is not enabled
if c.EnsemblingJobService == nil {
return http.StatusOK, nil
}
ensemblingJobInactiveOption := service.EnsemblingJobListOptions{
EnsemblerID: options.EnsemblerID,
Statuses: []models.Status{
models.JobFailed,
models.JobCompleted,
models.JobFailedBuildImage,
models.JobFailedSubmission,
},
}
inactiveEnsemblingJobs, err := c.EnsemblingJobService.List(ensemblingJobInactiveOption)
if err != nil {
return http.StatusInternalServerError, err
}
if inactiveEnsemblingJobs.Paging.Total > 0 {
if results, ok := inactiveEnsemblingJobs.Results.([]*models.EnsemblingJob); ok {
for _, ensemblingJob := range results {
err = c.EnsemblingJobService.MarkEnsemblingJobForTermination(ensemblingJob)
if err != nil {
return http.StatusInternalServerError, err
}
}
}
}
return http.StatusOK, nil
}
func (c EnsemblersController) deleteEnsembler(ensembler models.EnsemblerLike) (int, error) {
// check if the ensembler is a pyfunc ensembler
// convert ensembler to a PyfuncEnsembler Model, if ok (the model is a pyfunc ensembler)
// then proceed to delete pyfunc artifact from mlflow
if pyFuncEnsembler, ok := ensembler.(*models.PyFuncEnsembler); ok {
// if the ensembler is a pyfunc ensembler, also delete from mlflow
// Convert id to string
s := strconv.FormatUint(uint64(pyFuncEnsembler.ExperimentID), 10)
err := c.MlflowService.DeleteExperiment(context.Background(), s, true)
if err != nil {
return http.StatusInternalServerError, err
}
}
// delete ensembler from database
err := c.EnsemblersService.Delete(ensembler)
if err != nil {
return http.StatusInternalServerError, err
}
return http.StatusOK, nil
}
func (c EnsemblersController) Routes() []Route {
return []Route{
{
method: http.MethodGet,
path: "/projects/{project_id}/ensemblers",
handler: c.ListEnsemblers,
},
{
method: http.MethodPost,
path: "/projects/{project_id}/ensemblers",
body: request.CreateOrUpdateEnsemblerRequest{},
handler: c.CreateEnsembler,
},
{
method: http.MethodGet,
path: "/projects/{project_id}/ensemblers/{ensembler_id}",
handler: c.GetEnsembler,
},
{
method: http.MethodPut,
path: "/projects/{project_id}/ensemblers/{ensembler_id}",
body: request.CreateOrUpdateEnsemblerRequest{},
handler: c.UpdateEnsembler,
},
{
method: http.MethodDelete,
path: "/projects/{project_id}/ensemblers/{ensembler_id}",
handler: c.DeleteEnsembler,
},
}
}
type EnsemblersPathOptions struct {
ProjectID *models.ID `schema:"project_id" validate:"required"`
EnsemblerID *models.ID `schema:"ensembler_id" validate:"required"`
}