tests: use existing CRIU version check

Do not re-implement the CRIU version check in the test suite, use it
from libpod/pkg/criu.

Signed-off-by: Adrian Reber <areber@redhat.com>

test/e2e/checkpoint_test.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/containers/libpod/pkg/criu"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 )
@@ -22,10 +23,8 @@ var _ = Describe("Podman checkpoint", func() {
 		}
 		podmanTest = PodmanCreate(tempdir)
 		podmanTest.RestoreAllArtifacts()
-		// At least CRIU 3.11 is needed
+		if !criu.CheckForCriu() {
-		skip, err := podmanTest.isCriuAtLeast(31100)
+			Skip("CRIU is missing or too old.")
-		if err != nil || skip {
-			Skip("CRIU missing or too old.")
 		}
 	})
 

test/e2e/libpod_suite_test.go

@@ -2,7 +2,6 @@ package integration
 
 import (
 	"bufio"
-	"bytes"
 	"context"
 	"encoding/json"
 	"fmt"
@@ -65,7 +64,6 @@ type PodmanTest struct {
 	TempDir             string
 	CgroupManager       string
 	Host                HostOS
-	CriuBinary          string
 }
 
 // HostOS is a simple struct for the test os
@@ -166,7 +164,6 @@ func PodmanCreate(tempDir string) PodmanTest {
 		runCBinary = "/usr/bin/runc"
 	}
 
-	criuBinary := "/usr/sbin/criu"
 	CNIConfigDir := "/etc/cni/net.d"
 
 	p := PodmanTest{
@@ -182,7 +179,6 @@ func PodmanCreate(tempDir string) PodmanTest {
 		TempDir:             tempDir,
 		CgroupManager:       cgroupManager,
 		Host:                host,
-		CriuBinary:          criuBinary,
 	}
 
 	// Setup registries.conf ENV variable
@@ -682,39 +678,6 @@ func (p *PodmanTest) setRegistriesConfigEnv(b []byte) {
 	ioutil.WriteFile(outfile, b, 0644)
 }
 
-func (p *PodmanTest) isCriuAtLeast(version int) (bool, error) {
-	cmd := exec.Command(p.CriuBinary, "-V")
-	var out bytes.Buffer
-	cmd.Stdout = &out
-	err := cmd.Run()
-	if err != nil {
-		return false, err
-	}
-
-	var x int
-	var y int
-	var z int
-
-	fmt.Sscanf(out.String(), "Version: %d.%d.%d", &x, &y, &z)
-
-	if strings.Contains(out.String(), "GitID") {
-		// If CRIU is built from git it contains a git ID.
-		// If that is the case, increase minor by one as this
-		// could mean we are running a development version.
-		y = y + 1
-	}
-
-	parsed_version := x*10000 + y*100 + z
-
-	fmt.Println(parsed_version)
-
-	if parsed_version >= version {
-		return false, nil
-	} else {
-		return true, nil
-	}
-}
-
 func resetRegistriesConfigEnv() {
 	os.Setenv("REGISTRIES_CONFIG_PATH", "")
 }