Add basic websocket structure and request upgrader

runner/runner.go

@@ -5,10 +5,14 @@ import (
 	"encoding/json"
 	"github.com/google/uuid"
 	"gitlab.hpi.de/codeocean/codemoon/poseidon/api/dto"
+	"gitlab.hpi.de/codeocean/codemoon/poseidon/logging"
 	"gitlab.hpi.de/codeocean/codemoon/poseidon/store"
 	"sync"
+	"time"
 )
 
+var log = logging.GetLogger("runner")
+
 // Status is the type for the status of a Runner.
 type Status string
 
@@ -46,6 +50,10 @@ type Runner interface {
 
 	// DeleteExecution deletes the execution of the runner with the specified id.
 	DeleteExecution(ExecutionId)
+
+	// Execute runs one of the runners Executions by it's id
+	// ok will be false if the runner has no execution with the provided id
+	Execute(ExecutionId) (err error, ok bool)
 }
 
 // ExerciseRunner is an abstraction to communicate with Nomad allocations.
@@ -120,6 +128,19 @@ func (r *ExerciseRunner) DeleteExecution(id ExecutionId) {
 	delete(r.executions, id)
 }
 
+func (r *ExerciseRunner) Execute(id ExecutionId) (err error, ok bool) {
+	execution, ok := r.Execution(id)
+	if !ok {
+		return
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(execution.TimeLimit)*time.Second)
+	defer cancel()
+	log.WithField("Context", ctx).Printf("ToDo: Running execution")
+	// ToDo: Implement command execution
+	// r.nomadApiClient.ExecuteCommand(r.id, ctx, )
+	return
+}
+
 // NewContext creates a context containing a runner.
 func NewContext(ctx context.Context, runner Runner) context.Context {
 	return context.WithValue(ctx, runnerContextKey, runner)