Add the Environment ID to the influxdb data.

Also move the interface of an execution environment into its own file, execution_environment.go.

internal/api/api.go

@@ -47,8 +47,8 @@ func configureV1Router(router *mux.Router,
 		w.WriteHeader(http.StatusNotFound)
 	})
 	v1 := router.PathPrefix(BasePath).Subrouter()
-	v1.HandleFunc(HealthPath, Health).Methods(http.MethodGet)
+	v1.HandleFunc(HealthPath, Health).Methods(http.MethodGet).Name(HealthPath)
-	v1.HandleFunc(VersionPath, Version).Methods(http.MethodGet)
+	v1.HandleFunc(VersionPath, Version).Methods(http.MethodGet).Name(VersionPath)
 
 	runnerController := &RunnerController{manager: runnerManager}
 	environmentController := &EnvironmentController{manager: environmentManager}
@@ -59,7 +59,8 @@ func configureV1Router(router *mux.Router,
 		// May add a statistics controller if another route joins
 		statisticsRouter := router.PathPrefix(StatisticsPath).Subrouter()
 		statisticsRouter.
-			HandleFunc(EnvironmentsPath, StatisticsExecutionEnvironments(environmentManager)).Methods(http.MethodGet)
+			HandleFunc(EnvironmentsPath, StatisticsExecutionEnvironments(environmentManager)).
+			Methods(http.MethodGet).Name(EnvironmentsPath)
 	}
 
 	if auth.InitializeAuthentication() {

internal/api/runners.go

@@ -51,7 +51,6 @@ func (r *RunnerController) provide(writer http.ResponseWriter, request *http.Req
 		return
 	}
 	environmentID := dto.EnvironmentID(runnerRequest.ExecutionEnvironmentID)
-	logging.AddEnvironmentID(request, environmentID)
 
 	nextRunner, err := r.manager.Claim(environmentID, runnerRequest.InactivityTimeout)
 	if err != nil {
@@ -66,7 +65,7 @@ func (r *RunnerController) provide(writer http.ResponseWriter, request *http.Req
 		}
 		return
 	}
-	logging.AddRunnerID(request, nextRunner.ID())
+	addMonitoringData(request, nextRunner)
 	sendJSON(writer, &dto.RunnerResponse{ID: nextRunner.ID(), MappedPorts: nextRunner.MappedPorts()}, http.StatusOK)
 }
 
@@ -80,7 +79,7 @@ func (r *RunnerController) updateFileSystem(writer http.ResponseWriter, request
 	}
 
 	targetRunner, _ := runner.FromContext(request.Context())
-	logging.AddRunnerID(request, targetRunner.ID())
+	addMonitoringData(request, targetRunner)
 	if err := targetRunner.UpdateFileSystem(fileCopyRequest); err != nil {
 		log.WithError(err).Error("Could not perform the requested updateFileSystem.")
 		writeInternalServerError(writer, err, dto.ErrorUnknown)
@@ -106,7 +105,7 @@ func (r *RunnerController) execute(writer http.ResponseWriter, request *http.Req
 		scheme = "ws"
 	}
 	targetRunner, _ := runner.FromContext(request.Context())
-	logging.AddRunnerID(request, targetRunner.ID())
+	addMonitoringData(request, targetRunner)
 
 	path, err := r.runnerRouter.Get(WebsocketPath).URL(RunnerIDKey, targetRunner.ID())
 	if err != nil {
@@ -158,7 +157,7 @@ func (r *RunnerController) findRunnerMiddleware(next http.Handler) http.Handler
 // It destroys the given runner on the executor and removes it from the used runners list.
 func (r *RunnerController) delete(writer http.ResponseWriter, request *http.Request) {
 	targetRunner, _ := runner.FromContext(request.Context())
-	logging.AddRunnerID(request, targetRunner.ID())
+	addMonitoringData(request, targetRunner)
 
 	err := r.manager.Return(targetRunner)
 	if err != nil {
@@ -172,3 +171,9 @@ func (r *RunnerController) delete(writer http.ResponseWriter, request *http.Requ
 
 	writer.WriteHeader(http.StatusNoContent)
 }
+
+// addMonitoringData adds the data of the runner and environment we want to monitor.
+func addMonitoringData(request *http.Request, r runner.Runner) {
+	logging.AddRunnerID(request, r.ID())
+	logging.AddEnvironmentID(request, r.Environment())
+}

internal/api/runners_test.go

@@ -254,6 +254,7 @@ func (s *UpdateFileSystemRouteTestSuite) SetupTest() {
 	s.path = routeURL.String()
 	s.runnerMock = &runner.RunnerMock{}
 	s.runnerMock.On("ID").Return(tests.DefaultMockID)
+	s.runnerMock.On("Environment").Return(dto.EnvironmentID(tests.DefaultEnvironmentIDAsInteger))
 	s.runnerManager.On("Get", tests.DefaultMockID).Return(s.runnerMock, nil)
 	s.recorder = httptest.NewRecorder()
 }

internal/api/websocket.go

@@ -8,7 +8,6 @@ import (
 	"github.com/gorilla/websocket"
 	"github.com/openHPI/poseidon/internal/runner"
 	"github.com/openHPI/poseidon/pkg/dto"
-	"github.com/openHPI/poseidon/pkg/logging"
 	"io"
 	"net/http"
 	"sync"
@@ -337,7 +336,8 @@ func (wp *webSocketProxy) writeMessage(messageType int, data []byte) error {
 // connectToRunner is the endpoint for websocket connections.
 func (r *RunnerController) connectToRunner(writer http.ResponseWriter, request *http.Request) {
 	targetRunner, _ := runner.FromContext(request.Context())
-	logging.AddRunnerID(request, targetRunner.ID())
+	addMonitoringData(request, targetRunner)
+
 	executionID := request.URL.Query().Get(ExecutionIDKey)
 	if !targetRunner.ExecutionExists(executionID) {
 		writeNotFound(writer, ErrUnknownExecutionID)

internal/runner/execution_environment.go

@@ -0,0 +1,49 @@
+package runner
+
+import (
+	"encoding/json"
+	"github.com/openHPI/poseidon/pkg/dto"
+)
+
+// ExecutionEnvironment are groups of runner that share the configuration stored in the environment.
+type ExecutionEnvironment interface {
+	json.Marshaler
+
+	// ID returns the id of the environment.
+	ID() dto.EnvironmentID
+	SetID(id dto.EnvironmentID)
+	// PrewarmingPoolSize sets the number of idle runner of this environment that should be prewarmed.
+	PrewarmingPoolSize() uint
+	SetPrewarmingPoolSize(count uint)
+	// ApplyPrewarmingPoolSize creates idle runners according to the PrewarmingPoolSize.
+	ApplyPrewarmingPoolSize() error
+	// CPULimit sets the share of cpu that a runner should receive at minimum.
+	CPULimit() uint
+	SetCPULimit(limit uint)
+	// MemoryLimit sets the amount of memory that should be available for each runner.
+	MemoryLimit() uint
+	SetMemoryLimit(limit uint)
+	// Image sets the image of the runner, e.g. Docker image.
+	Image() string
+	SetImage(image string)
+	// NetworkAccess sets if a runner should have network access and if ports should be mapped.
+	NetworkAccess() (bool, []uint16)
+	SetNetworkAccess(allow bool, ports []uint16)
+	// SetConfigFrom copies all above attributes from the passed environment to the object itself.
+	SetConfigFrom(environment ExecutionEnvironment)
+
+	// Register saves this environment at the executor.
+	Register() error
+	// Delete removes this environment and all it's runner from the executor and Poseidon itself.
+	Delete() error
+
+	// Sample returns and removes an arbitrary available runner.
+	// ok is true iff a runner was returned.
+	Sample() (r Runner, ok bool)
+	// AddRunner adds an existing runner to the idle runners of the environment.
+	AddRunner(r Runner)
+	// DeleteRunner removes an idle runner from the environment.
+	DeleteRunner(id string)
+	// IdleRunnerCount returns the number of idle runners of the environment.
+	IdleRunnerCount() int
+}

internal/runner/manager.go

@@ -1,52 +1,6 @@
 package runner
 
-import (
+import "github.com/openHPI/poseidon/pkg/dto"
-	"encoding/json"
-	"github.com/openHPI/poseidon/pkg/dto"
-)
-
-// ExecutionEnvironment are groups of runner that share the configuration stored in the environment.
-type ExecutionEnvironment interface {
-	json.Marshaler
-
-	// ID returns the id of the environment.
-	ID() dto.EnvironmentID
-	SetID(id dto.EnvironmentID)
-	// PrewarmingPoolSize sets the number of idle runner of this environment that should be prewarmed.
-	PrewarmingPoolSize() uint
-	SetPrewarmingPoolSize(count uint)
-	// ApplyPrewarmingPoolSize creates idle runners according to the PrewarmingPoolSize.
-	ApplyPrewarmingPoolSize() error
-	// CPULimit sets the share of cpu that a runner should receive at minimum.
-	CPULimit() uint
-	SetCPULimit(limit uint)
-	// MemoryLimit sets the amount of memory that should be available for each runner.
-	MemoryLimit() uint
-	SetMemoryLimit(limit uint)
-	// Image sets the image of the runner, e.g. Docker image.
-	Image() string
-	SetImage(image string)
-	// NetworkAccess sets if a runner should have network access and if ports should be mapped.
-	NetworkAccess() (bool, []uint16)
-	SetNetworkAccess(allow bool, ports []uint16)
-	// SetConfigFrom copies all above attributes from the passed environment to the object itself.
-	SetConfigFrom(environment ExecutionEnvironment)
-
-	// Register saves this environment at the executor.
-	Register() error
-	// Delete removes this environment and all it's runner from the executor and Poseidon itself.
-	Delete() error
-
-	// Sample returns and removes an arbitrary available runner.
-	// ok is true iff a runner was returned.
-	Sample() (r Runner, ok bool)
-	// AddRunner adds an existing runner to the idle runners of the environment.
-	AddRunner(r Runner)
-	// DeleteRunner removes an idle runner from the environment.
-	DeleteRunner(id string)
-	// IdleRunnerCount returns the number of idle runners of the environment.
-	IdleRunnerCount() int
-}
 
 // Manager keeps track of the used and unused runners of all execution environments in order to provide unused
 // runners to new clients and ensure no runner is used twice.

pkg/logging/influxdb2_middleware.go

@@ -50,12 +50,30 @@ func AddEnvironmentID(r *http.Request, id dto.EnvironmentID) {
 	p.AddTag("environment_id", strconv.Itoa(int(id)))
 }
 
+// AddEnvironmentType adds the type of the used environment to the influxdb data point.
+func AddEnvironmentType(r *http.Request, t string) {
+	p := pointFromContext(r.Context())
+	p.AddTag("environment_type", t)
+}
+
 // AddRunnerID adds the runner id to the influx data point for the current request.
 func AddRunnerID(r *http.Request, id string) {
 	p := pointFromContext(r.Context())
 	p.AddTag("runner_id", id)
 }
 
+// AddIdleRunner adds the count of idle runners of the used environment to the influxdb data point.
+func AddIdleRunner(r *http.Request, count int) {
+	p := pointFromContext(r.Context())
+	p.AddField("idle_runner", strconv.Itoa(count))
+}
+
+// AddPrewarmingPoolSize adds the prewarming pool size of the used environment to the influxdb data point.
+func AddPrewarmingPoolSize(r *http.Request, count uint) {
+	p := pointFromContext(r.Context())
+	p.AddField("prewarming_pool_size", strconv.Itoa(int(count)))
+}
+
 // AddRequestSize adds the size of the request body to the influx data point for the current request.
 func AddRequestSize(r *http.Request) {
 	body, err := io.ReadAll(r.Body)