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Cleanup loop devices after test failure

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Cleans up loop devices if part of the test or mount process fails.

Also increases btrfs default file size to 650MB to accommodate
minimum btrfs size on ppc64le and s390x

Signed-off-by: Christopher Jones <tophj@linux.vnet.ibm.com>
This commit is contained in:
Christopher Jones 2018-01-23 15:27:16 -05:00
parent 051ac5dd63
commit a8c5ff57e5
No known key found for this signature in database
GPG Key ID: 9675B4D446658DE9
6 changed files with 13 additions and 5 deletions
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4
fs/dtype_linux_test.go
View File

@ -20,16 +20,18 @@ func testSupportsDType(t *testing.T, expected bool, mkfs ...string) {
}
defer os.RemoveAll(mnt)
deviceName, cleanupDevice, err := testutil.NewLoopback(150 << 20) // 150 MB
deviceName, cleanupDevice, err := testutil.NewLoopback(100 << 20) // 100 MB
if err != nil {
t.Fatal(err)
}
if out, err := exec.Command(mkfs[0], append(mkfs[1:], deviceName)...).CombinedOutput(); err != nil {
// not fatal
cleanupDevice()
t.Skipf("could not mkfs (%v) %s: %v (out: %q)", mkfs, deviceName, err, string(out))
}
if out, err := exec.Command("mount", deviceName, mnt).CombinedOutput(); err != nil {
// not fatal
cleanupDevice()
t.Skipf("could not mount %s: %v (out: %q)", deviceName, err, string(out))
}
defer func() {

2
mount/lookup_test/lookup_linux_test.go
View File

@ -39,7 +39,7 @@ func testLookup(t *testing.T, fsType string) {
}
defer os.RemoveAll(mnt)
deviceName, cleanupDevice, err := testutil.NewLoopback(150 << 20) // 150 MB
deviceName, cleanupDevice, err := testutil.NewLoopback(100 << 20) // 100 MB
if err != nil {
t.Fatal(err)
}

2
script/setup/install-protobuf
View File

@ -2,7 +2,7 @@
#
# Downloads and installs protobuf
#
set -eux -o pipefail
set -eu -o pipefail
PROTOBUF_VERSION=3.5.1
GOARCH=$(go env GOARCH)

2
script/setup/install-runc
View File

@ -3,7 +3,7 @@
# Builds and installs runc to /usr/local/go/bin based off
# the commit defined in vendor.conf
#
set -eux -o pipefail
set -eu -o pipefail
RUNC_COMMIT=$(grep opencontainers/runc ${GOPATH}/src/github.com/containerd/containerd/vendor.conf | cut -d " " -f 2)

5
snapshots/btrfs/btrfs_test.go
View File

@ -29,20 +29,23 @@ func boltSnapshotter(t *testing.T) func(context.Context, string) (snapshots.Snap
return func(ctx context.Context, root string) (snapshots.Snapshotter, func() error, error) {
deviceName, cleanupDevice, err := testutil.NewLoopback(150 << 20) // 150 MB
deviceName, cleanupDevice, err := testutil.NewLoopback(650 << 20) // 650 MB
if err != nil {
return nil, nil, err
}
if out, err := exec.Command(mkbtrfs, deviceName).CombinedOutput(); err != nil {
cleanupDevice()
return nil, nil, errors.Wrapf(err, "failed to make btrfs filesystem (out: %q)", out)
}
if out, err := exec.Command("mount", deviceName, root).CombinedOutput(); err != nil {
cleanupDevice()
return nil, nil, errors.Wrapf(err, "failed to mount device %s (out: %q)", deviceName, out)
}
snapshotter, err := NewSnapshotter(root)
if err != nil {
cleanupDevice()
return nil, nil, errors.Wrap(err, "failed to create new snapshotter")
}

3
testutil/loopback_linux.go
View File

@ -21,6 +21,8 @@ func NewLoopback(size int64) (string, func() error, error) {
}
if err := file.Truncate(size); err != nil {
file.Close()
os.Remove(file.Name())
return "", nil, errors.Wrap(err, "failed to resize temp file")
}
file.Close()
@ -29,6 +31,7 @@ func NewLoopback(size int64) (string, func() error, error) {
losetup := exec.Command("losetup", "--find", "--show", file.Name())
p, err := losetup.Output()
if err != nil {
os.Remove(file.Name())
return "", nil, errors.Wrap(err, "loopback setup failed")
}