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signal_manager.go
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signal_manager.go
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package impl
import (
"context"
"strconv"
"github.com/flyteorg/flytestdlib/contextutils"
"github.com/flyteorg/flyteadmin/pkg/common"
"github.com/flyteorg/flyteadmin/pkg/errors"
"github.com/flyteorg/flyteadmin/pkg/manager/impl/util"
"github.com/flyteorg/flyteadmin/pkg/manager/impl/validation"
"github.com/flyteorg/flyteadmin/pkg/manager/interfaces"
repoInterfaces "github.com/flyteorg/flyteadmin/pkg/repositories/interfaces"
"github.com/flyteorg/flyteadmin/pkg/repositories/transformers"
"github.com/flyteorg/flyteidl/gen/pb-go/flyteidl/admin"
"github.com/flyteorg/flyteidl/gen/pb-go/flyteidl/core"
"github.com/flyteorg/flytestdlib/logger"
"github.com/flyteorg/flytestdlib/promutils"
"github.com/flyteorg/flytestdlib/promutils/labeled"
"google.golang.org/grpc/codes"
)
type signalMetrics struct {
Scope promutils.Scope
Set labeled.Counter
}
type SignalManager struct {
db repoInterfaces.Repository
metrics signalMetrics
}
func getSignalContext(ctx context.Context, identifier *core.SignalIdentifier) context.Context {
ctx = contextutils.WithProjectDomain(ctx, identifier.ExecutionId.Project, identifier.ExecutionId.Domain)
ctx = contextutils.WithWorkflowID(ctx, identifier.ExecutionId.Name)
return contextutils.WithSignalID(ctx, identifier.SignalId)
}
func (s *SignalManager) GetOrCreateSignal(ctx context.Context, request admin.SignalGetOrCreateRequest) (*admin.Signal, error) {
if err := validation.ValidateSignalGetOrCreateRequest(ctx, request); err != nil {
logger.Debugf(ctx, "invalid request [%+v]: %v", request, err)
return nil, err
}
ctx = getSignalContext(ctx, request.Id)
signalModel, err := transformers.CreateSignalModel(request.Id, request.Type, nil)
if err != nil {
logger.Errorf(ctx, "Failed to transform signal with id [%+v] and type [+%v] with err: %v", request.Id, request.Type, err)
return nil, err
}
err = s.db.SignalRepo().GetOrCreate(ctx, &signalModel)
if err != nil {
return nil, err
}
signal, err := transformers.FromSignalModel(signalModel)
if err != nil {
logger.Errorf(ctx, "Failed to transform signal model [%+v] with err: %v", signalModel, err)
return nil, err
}
return &signal, nil
}
func (s *SignalManager) ListSignals(ctx context.Context, request admin.SignalListRequest) (*admin.SignalList, error) {
if err := validation.ValidateSignalListRequest(ctx, request); err != nil {
logger.Debugf(ctx, "ListSignals request [%+v] is invalid: %v", request, err)
return nil, err
}
ctx = getExecutionContext(ctx, request.WorkflowExecutionId)
identifierFilters, err := util.GetWorkflowExecutionIdentifierFilters(ctx, *request.WorkflowExecutionId)
if err != nil {
return nil, err
}
filters, err := util.AddRequestFilters(request.Filters, common.Signal, identifierFilters)
if err != nil {
return nil, err
}
var sortParameter common.SortParameter
if request.SortBy != nil {
sortParameter, err = common.NewSortParameter(*request.SortBy)
if err != nil {
return nil, err
}
}
offset, err := validation.ValidateToken(request.Token)
if err != nil {
return nil, errors.NewFlyteAdminErrorf(codes.InvalidArgument,
"invalid pagination token %s for ListSignals", request.Token)
}
signalModelList, err := s.db.SignalRepo().List(ctx, repoInterfaces.ListResourceInput{
InlineFilters: filters,
Offset: offset,
Limit: int(request.Limit),
SortParameter: sortParameter,
})
if err != nil {
logger.Debugf(ctx, "Failed to list signals with request [%+v] with err %v",
request, err)
return nil, err
}
signalList, err := transformers.FromSignalModels(signalModelList)
if err != nil {
logger.Debugf(ctx, "failed to transform signal models for request [%+v] with err: %v", request, err)
return nil, err
}
var token string
if len(signalList) == int(request.Limit) {
token = strconv.Itoa(offset + len(signalList))
}
return &admin.SignalList{
Signals: signalList,
Token: token,
}, nil
}
func (s *SignalManager) SetSignal(ctx context.Context, request admin.SignalSetRequest) (*admin.SignalSetResponse, error) {
if err := validation.ValidateSignalSetRequest(ctx, s.db, request); err != nil {
return nil, err
}
ctx = getSignalContext(ctx, request.Id)
signalModel, err := transformers.CreateSignalModel(request.Id, nil, request.Value)
if err != nil {
logger.Errorf(ctx, "Failed to transform signal with id [%+v] and value [+%v] with err: %v", request.Id, request.Value, err)
return nil, err
}
err = s.db.SignalRepo().Update(ctx, signalModel.SignalKey, signalModel.Value)
if err != nil {
return nil, err
}
s.metrics.Set.Inc(ctx)
return &admin.SignalSetResponse{}, nil
}
func NewSignalManager(
db repoInterfaces.Repository,
scope promutils.Scope) interfaces.SignalInterface {
metrics := signalMetrics{
Scope: scope,
Set: labeled.NewCounter("num_set", "count of set signals", scope),
}
return &SignalManager{
db: db,
metrics: metrics,
}
}