Allow to force some qemu settings from .out-of-tree.toml

CHANGELOG.md

@@ -47,6 +47,11 @@
 
 - New command `pack` that perform tests in subdirectories.
 
+- Added ability to disable kaslr/smep/smap for in artifact definition.
+
+- Added ability to change amount of memory/CPUs and set qemu timeout
+  in artifact definition (`.out-of-tree.toml`).
+
 ### Changed
 
 - Now if there's no base image found — out-of-tree will try to use

config/config.go

@@ -12,6 +12,7 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
+	"time"
 
 	"github.com/naoina/toml"
 )
@@ -83,12 +84,36 @@ func (at ArtifactType) MarshalTOML() (data []byte, err error) {
 	return
 }
 
+// Duration type with toml unmarshalling support
+type Duration struct {
+	time.Duration
+}
+
+// UnmarshalTOML for Duration
+func (d *Duration) UnmarshalTOML(data []byte) (err error) {
+	duration := strings.Replace(string(data), "\"", "", -1)
+	d.Duration, err = time.ParseDuration(duration)
+	return
+}
+
 // Artifact is for .out-of-tree.toml
 type Artifact struct {
 	Name             string
 	Type             ArtifactType
 	SourcePath       string
 	SupportedKernels []KernelMask
+
+	Qemu struct {
+		CPUs    int
+		Memory  int
+		Timeout Duration
+	}
+
+	Mitigations struct {
+		DisableSMEP  bool
+		DisableSMAP  bool
+		DisableKASLR bool
+	}
 }
 
 func (ka Artifact) checkSupport(ki KernelInfo, km KernelMask) (

pew.go

@@ -304,6 +304,20 @@ func whatever(swg *sizedwaitgroup.SizedWaitGroup, ka config.Artifact,
 	}
 	q.Timeout = qemuTimeout
 
+	if ka.Qemu.Timeout.Duration != 0 {
+		q.Timeout = ka.Qemu.Timeout.Duration
+	}
+	if ka.Qemu.CPUs != 0 {
+		q.Cpus = ka.Qemu.CPUs
+	}
+	if ka.Qemu.Memory != 0 {
+		q.Memory = ka.Qemu.Memory
+	}
+
+	q.SetKASLR(!ka.Mitigations.DisableKASLR)
+	q.SetSMEP(!ka.Mitigations.DisableSMEP)
+	q.SetSMAP(!ka.Mitigations.DisableSMAP)
+
 	err = q.Start()
 	if err != nil {
 		log.Println("Qemu start error:", err)