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LCOW: Log stderr on failures

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Signed-off-by: John Howard <jhoward@microsoft.com>
This commit is contained in:
John Howard 2018-03-08 09:53:27 -08:00
parent d0970ab9a4
commit 63f9c7784b
3 changed files with 21 additions and 10 deletions
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3
builder/dockerfile/evaluator_test.go
View file

@ -2,6 +2,7 @@ package dockerfile // import "github.com/docker/docker/builder/dockerfile"
import (
"os"
"runtime"
"testing"
"github.com/docker/docker/builder/remotecontext"
@ -97,7 +98,9 @@ func initDispatchTestCases() []dispatchTestCase {
}
func TestDispatch(t *testing.T) {
if runtime.GOOS != "windows" {
skip.If(t, os.Getuid() != 0, "skipping test that requires root")
}
testCases := initDispatchTestCases()
for _, testCase := range testCases {

7
builder/dockerfile/internals_test.go
View file

@ -47,6 +47,9 @@ func TestDockerfileOutsideTheBuildContext(t *testing.T) {
defer cleanup()
expectedError := "Forbidden path outside the build context: ../../Dockerfile ()"
if runtime.GOOS == "windows" {
expectedError = "failed to resolve scoped path ../../Dockerfile ()"
}
readAndCheckDockerfile(t, "DockerfileOutsideTheBuildContext", contextDir, "../../Dockerfile", expectedError)
}
@ -61,7 +64,9 @@ func TestNonExistingDockerfile(t *testing.T) {
}
func readAndCheckDockerfile(t *testing.T, testName, contextDir, dockerfilePath, expectedError string) {
if runtime.GOOS != "windows" {
skip.If(t, os.Getuid() != 0, "skipping test that requires root")
}
tarStream, err := archive.Tar(contextDir, archive.Uncompressed)
assert.NilError(t, err)
@ -80,7 +85,7 @@ func readAndCheckDockerfile(t *testing.T, testName, contextDir, dockerfilePath,
Source: tarStream,
}
_, _, err = remotecontext.Detect(config)
assert.Check(t, is.Error(err, expectedError))
assert.Check(t, is.ErrorContains(err, expectedError))
}
func TestCopyRunConfig(t *testing.T) {

17
daemon/graphdriver/lcow/lcow_svm.go
View file

@ -4,7 +4,6 @@ package lcow // import "github.com/docker/docker/daemon/graphdriver/lcow"
import (
"bytes"
"errors"
"fmt"
"io"
"strings"
@ -13,6 +12,7 @@ import (
"github.com/Microsoft/hcsshim"
"github.com/Microsoft/opengcs/client"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
@ -323,8 +323,9 @@ func (svm *serviceVM) createUnionMount(mountName string, mvds ...hcsshim.MappedV
}
logrus.Debugf("Doing the overlay mount with union directory=%s", mountName)
if err = svm.runProcess(fmt.Sprintf("mkdir -p %s", mountName), nil, nil, nil); err != nil {
return err
errOut := &bytes.Buffer{}
if err = svm.runProcess(fmt.Sprintf("mkdir -p %s", mountName), nil, nil, errOut); err != nil {
return errors.Wrapf(err, "mkdir -p %s failed (%s)", mountName, errOut.String())
}
var cmd string
@ -340,8 +341,9 @@ func (svm *serviceVM) createUnionMount(mountName string, mvds ...hcsshim.MappedV
upper := fmt.Sprintf("%s/upper", svm.getShortContainerPath(&mvds[0]))
work := fmt.Sprintf("%s/work", svm.getShortContainerPath(&mvds[0]))
if err = svm.runProcess(fmt.Sprintf("mkdir -p %s %s", upper, work), nil, nil, nil); err != nil {
return err
errOut := &bytes.Buffer{}
if err = svm.runProcess(fmt.Sprintf("mkdir -p %s %s", upper, work), nil, nil, errOut); err != nil {
return errors.Wrapf(err, "mkdir -p %s failed (%s)", mountName, errOut.String())
}
cmd = fmt.Sprintf("mount -t overlay overlay -olowerdir=%s,upperdir=%s,workdir=%s %s",
@ -352,8 +354,9 @@ func (svm *serviceVM) createUnionMount(mountName string, mvds ...hcsshim.MappedV
}
logrus.Debugf("createUnionMount: Executing mount=%s", cmd)
if err = svm.runProcess(cmd, nil, nil, nil); err != nil {
return err
errOut = &bytes.Buffer{}
if err = svm.runProcess(cmd, nil, nil, errOut); err != nil {
return errors.Wrapf(err, "%s failed (%s)", cmd, errOut.String())
}
svm.unionMounts[mountName] = 1