feat: add configurations key=value pairs on Challenge and Instance

api/v1/challenge/challenge.proto

@@ -83,6 +83,9 @@ message CreateChallengeRequest {
 
     // The date after which the janitor will have permission to delete the instance.
     google.protobuf.Timestamp until = 5 [(google.api.field_behavior) = OPTIONAL];
+
+    // A key=value configuration to pass to the instance when created.
+    map<string, string> config = 6 [(google.api.field_behavior) = OPTIONAL];
 }
 
 message RetrieveChallengeRequest {
@@ -111,6 +114,9 @@ message UpdateChallengeRequest {
     google.protobuf.Timestamp until = 5 [(google.api.field_behavior) = OPTIONAL];
 
     google.protobuf.FieldMask update_mask = 6;
+
+    // A key=value configuration to pass to the instance when created.
+    map<string, string> config = 7 [(google.api.field_behavior) = OPTIONAL];
 }
 
 message DeleteChallengeRequest {
@@ -139,6 +145,9 @@ message Challenge {
 
     // The challenge running instances.
     repeated instance.Instance instances = 5 [(google.api.field_behavior) = OPTIONAL];
+
+    // A key=value configuration to pass to the instance when created.
+    map<string, string> config = 6 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // The UpdateStrategy to use in case of a Challenge scenario update with running instances.

api/v1/challenge/create.go

@@ -111,6 +111,7 @@ func (store *Store) CreateChallenge(ctx context.Context, req *CreateChallengeReq
 		Hash:      h,
 		Timeout:   toDuration(req.Timeout),
 		Until:     toTime(req.Until),
+		Config:    req.Config,
 	}
 	if err := fschall.Save(); err != nil {
 		err := &errs.ErrInternal{Sub: err}
@@ -129,6 +130,7 @@ func (store *Store) CreateChallenge(ctx context.Context, req *CreateChallengeReq
 		Timeout:   req.Timeout,
 		Until:     req.Until,
 		Instances: []*instance.Instance{},
+		Config:    req.Config,
 	}
 
 	// 6. Unlock RW challenge

api/v1/challenge/query.go

@@ -125,6 +125,7 @@ func (store *Store) QueryChallenge(_ *emptypb.Empty, server ChallengeStore_Query
 					Until:          until,
 					ConnectionInfo: fsist.ConnectionInfo,
 					Flag:           fsist.Flag,
+					Config:         fsist.Config,
 				})
 			}
 
@@ -134,6 +135,7 @@ func (store *Store) QueryChallenge(_ *emptypb.Empty, server ChallengeStore_Query
 				Timeout:   toPBDuration(fschall.Timeout),
 				Until:     toPBTimestamp(fschall.Until),
 				Instances: ists,
+				Config:    fschall.Config,
 			}); err != nil {
 				cerr <- err
 				return

api/v1/challenge/retrieve.go

@@ -125,6 +125,7 @@ func (store *Store) RetrieveChallenge(ctx context.Context, req *RetrieveChalleng
 			Until:          until,
 			ConnectionInfo: fsist.ConnectionInfo,
 			Flag:           fsist.Flag,
+			Config:         fsist.Config,
 		})
 	}
 
@@ -134,6 +135,7 @@ func (store *Store) RetrieveChallenge(ctx context.Context, req *RetrieveChalleng
 		Timeout:   toPBDuration(fschall.Timeout),
 		Until:     toPBTimestamp(fschall.Until),
 		Instances: ists,
+		Config:    fschall.Config,
 	}, nil
 }
 

api/v1/challenge/update.go

@@ -94,21 +94,18 @@ func (store *Store) UpdateChallenge(ctx context.Context, req *UpdateChallengeReq
 	}
 
 	// 5. Update challenge until/timeout and scenario on filesystem
+	updateConfig := false
 	um := req.GetUpdateMask()
 	if um.IsValid(req) {
 		if slices.Contains(um.Paths, "until") {
-			if req.Until != nil {
-				fschall.Until = toTime(req.Until)
-			} else {
-				fschall.Until = nil
-			}
+			fschall.Until = toTime(req.Until)
 		}
 		if slices.Contains(um.Paths, "timeout") {
-			if req.Timeout != nil {
-				fschall.Timeout = toDuration(req.Timeout)
-			} else {
-				fschall.Timeout = nil
-			}
+			fschall.Timeout = toDuration(req.Timeout)
+		}
+		if slices.Contains(um.Paths, "config") {
+			fschall.Config = req.Config
+			updateConfig = true
 		}
 	}
 
@@ -171,7 +168,11 @@ func (store *Store) UpdateChallenge(ctx context.Context, req *UpdateChallengeReq
 	logger.Info(ctx, "updating challenge",
 		zap.Int("instances", len(iids)),
 		zap.Bool("update_scenario", updateScenario),
+		zap.Bool("update_config", updateConfig),
 	)
+	if req.UpdateStrategy == nil {
+		req.UpdateStrategy = UpdateStrategy_update_in_place.Enum()
+	}
 	relock := &sync.WaitGroup{}
 	relock.Add(len(iids))
 	work := &sync.WaitGroup{}
@@ -222,8 +223,12 @@ func (store *Store) UpdateChallenge(ctx context.Context, req *UpdateChallengeReq
 			fsist.Until = common.ComputeUntil(fschall.Until, fschall.Timeout)
 
 			// 8.d. If scenario is not nil, update it
+			ndir := fschall.Directory
 			if updateScenario {
-				if err := iac.Update(ctx, *oldDir, req.UpdateStrategy.String(), fschall, fsist); err != nil {
+				ndir = *oldDir
+			}
+			if updateScenario || updateConfig {
+				if err := iac.Update(ctx, ndir, req.UpdateStrategy.String(), fschall, fsist); err != nil {
 					cerr <- err
 					return
 				}

api/v1/instance/create.go

@@ -128,6 +128,12 @@ func (man *Manager) CreateInstance(ctx context.Context, req *CreateInstanceReque
 		)
 		return nil, errs.ErrInternalNoSub
 	}
+	if err := iac.Additional(ctx, stack, fschall.Config, req.Config); err != nil {
+		logger.Error(ctx, "configuring additionals on stack",
+			zap.Error(err),
+		)
+		return nil, errs.ErrInternalNoSub
+	}
 
 	logger.Info(ctx, "creating instance")
 
@@ -148,6 +154,7 @@ func (man *Manager) CreateInstance(ctx context.Context, req *CreateInstanceReque
 		Since:       now,
 		LastRenew:   now,
 		Until:       common.ComputeUntil(fschall.Until, fschall.Timeout),
+		Config:      req.Config,
 	}
 	if err := iac.Extract(ctx, stack, sr, fsist); err != nil {
 		logger.Error(ctx, "extracting stack info",
@@ -183,5 +190,6 @@ func (man *Manager) CreateInstance(ctx context.Context, req *CreateInstanceReque
 		Until:          until,
 		ConnectionInfo: fsist.ConnectionInfo,
 		Flag:           fsist.Flag,
+		Config:         req.Config,
 	}, nil
 }