Add the Environment ID to the influxdb data.

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

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
+}