zitadel/internal/api/grpc/probes.go
2020-03-23 07:01:59 +01:00

54 lines
1.4 KiB
Go

package grpc
import (
"context"
"github.com/caos/logging"
"github.com/golang/protobuf/ptypes/empty"
structpb "github.com/golang/protobuf/ptypes/struct"
"github.com/caos/zitadel/internal/errors"
"github.com/caos/zitadel/internal/proto"
)
type ValidationFunction func(ctx context.Context) error
type Validator struct {
validations map[string]ValidationFunction
}
func NewValidator(validations map[string]ValidationFunction) *Validator {
return &Validator{validations: validations}
}
func (v *Validator) Healthz(_ context.Context, e *empty.Empty) (*empty.Empty, error) {
return e, nil
}
func (v *Validator) Ready(ctx context.Context, e *empty.Empty) (*empty.Empty, error) {
return e, ready(ctx, v.validations)
}
func (v *Validator) Validate(ctx context.Context, _ *empty.Empty) (*structpb.Struct, error) {
validations := validate(ctx, v.validations)
return proto.ToPBStruct(validations)
}
func ready(ctx context.Context, validations map[string]ValidationFunction) error {
if len(validate(ctx, validations)) == 0 {
return nil
}
return errors.ThrowInternal(nil, "API-2jD9a", "not ready")
}
func validate(ctx context.Context, validations map[string]ValidationFunction) map[string]error {
errors := make(map[string]error)
for id, validation := range validations {
if err := validation(ctx); err != nil {
logging.Log("API-vf823").WithError(err).Error("validation failed")
errors[id] = err
}
}
return errors
}