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-rw-r--r--libpod/boltdb_state_internal.go6
-rw-r--r--libpod/container.go6
-rw-r--r--libpod/container.log.go2
-rw-r--r--libpod/container_graph.go2
-rw-r--r--libpod/container_inspect.go7
-rw-r--r--libpod/container_internal.go12
-rw-r--r--libpod/container_internal_linux.go19
-rw-r--r--libpod/container_internal_test.go3
-rw-r--r--libpod/events/events.go2
-rw-r--r--libpod/healthcheck.go2
-rw-r--r--libpod/image/image.go5
-rw-r--r--libpod/image/image_test.go12
-rw-r--r--libpod/kube.go17
-rw-r--r--libpod/lock/file/file_lock_test.go4
-rw-r--r--libpod/logs/log.go8
-rw-r--r--libpod/networking_linux.go6
-rw-r--r--libpod/oci_conmon_linux.go28
-rw-r--r--libpod/options.go4
-rw-r--r--libpod/runtime.go25
-rw-r--r--libpod/runtime_cstorage.go14
-rw-r--r--libpod/runtime_ctr.go13
-rw-r--r--libpod/runtime_pod_linux.go6
-rw-r--r--libpod/runtime_volume_linux.go4
-rw-r--r--libpod/state_test.go137
-rw-r--r--libpod/volume_internal_linux.go6
25 files changed, 199 insertions, 151 deletions
diff --git a/libpod/boltdb_state_internal.go b/libpod/boltdb_state_internal.go
index 3347a3648..3f09305f5 100644
--- a/libpod/boltdb_state_internal.go
+++ b/libpod/boltdb_state_internal.go
@@ -652,11 +652,9 @@ func (s *BoltState) addContainer(ctr *Container, pod *Pod) error {
if string(depCtrPod) != pod.ID() {
return errors.Wrapf(define.ErrInvalidArg, "container %s depends on container %s which is in a different pod (%s)", ctr.ID(), dependsCtr, string(depCtrPod))
}
- } else {
+ } else if depCtrPod != nil {
// If we're not part of a pod, we cannot depend on containers in a pod
- if depCtrPod != nil {
- return errors.Wrapf(define.ErrInvalidArg, "container %s depends on container %s which is in a pod - containers not in pods cannot depend on containers in pods", ctr.ID(), dependsCtr)
- }
+ return errors.Wrapf(define.ErrInvalidArg, "container %s depends on container %s which is in a pod - containers not in pods cannot depend on containers in pods", ctr.ID(), dependsCtr)
}
depNamespace := depCtrBkt.Get(namespaceKey)
diff --git a/libpod/container.go b/libpod/container.go
index a046dcafc..b3cb6334a 100644
--- a/libpod/container.go
+++ b/libpod/container.go
@@ -472,11 +472,9 @@ func (c *Container) specFromState() (*spec.Spec, error) {
if err := json.Unmarshal(content, &returnSpec); err != nil {
return nil, errors.Wrapf(err, "error unmarshalling container config")
}
- } else {
+ } else if !os.IsNotExist(err) {
// ignore when the file does not exist
- if !os.IsNotExist(err) {
- return nil, errors.Wrapf(err, "error opening container config")
- }
+ return nil, errors.Wrapf(err, "error opening container config")
}
return returnSpec, nil
diff --git a/libpod/container.log.go b/libpod/container.log.go
index 7d0cd5bfb..7c46dde9a 100644
--- a/libpod/container.log.go
+++ b/libpod/container.log.go
@@ -56,7 +56,7 @@ func (c *Container) readFromLogFile(options *logs.LogOptions, logChannel chan *l
continue
}
if nll.Partial() {
- partial = partial + nll.Msg
+ partial += nll.Msg
continue
} else if !nll.Partial() && len(partial) > 1 {
nll.Msg = partial
diff --git a/libpod/container_graph.go b/libpod/container_graph.go
index f6988e1ac..97a12ec42 100644
--- a/libpod/container_graph.go
+++ b/libpod/container_graph.go
@@ -113,7 +113,7 @@ func detectCycles(graph *ContainerGraph) (bool, error) {
info := new(nodeInfo)
info.index = index
info.lowLink = index
- index = index + 1
+ index++
nodes[node.id] = info
diff --git a/libpod/container_inspect.go b/libpod/container_inspect.go
index 3f4ab394f..01f2d93bd 100644
--- a/libpod/container_inspect.go
+++ b/libpod/container_inspect.go
@@ -1214,11 +1214,12 @@ func (c *Container) generateInspectContainerHostConfig(ctrSpec *spec.Spec, named
// Network mode parsing.
networkMode := ""
- if c.config.CreateNetNS {
+ switch {
+ case c.config.CreateNetNS:
networkMode = "default"
- } else if c.config.NetNsCtr != "" {
+ case c.config.NetNsCtr != "":
networkMode = fmt.Sprintf("container:%s", c.config.NetNsCtr)
- } else {
+ default:
// Find the spec's network namespace.
// If there is none, it's host networking.
// If there is one and it has a path, it's "ns:".
diff --git a/libpod/container_internal.go b/libpod/container_internal.go
index 46c83149a..0e883588c 100644
--- a/libpod/container_internal.go
+++ b/libpod/container_internal.go
@@ -22,7 +22,7 @@ import (
"github.com/containers/storage"
"github.com/containers/storage/pkg/archive"
"github.com/containers/storage/pkg/mount"
- "github.com/cyphar/filepath-securejoin"
+ securejoin "github.com/cyphar/filepath-securejoin"
spec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/opencontainers/runtime-tools/generate"
"github.com/opencontainers/selinux/go-selinux/label"
@@ -339,7 +339,7 @@ func (c *Container) handleRestartPolicy(ctx context.Context) (restarted bool, er
c.newContainerEvent(events.Restart)
// Increment restart count
- c.state.RestartCount = c.state.RestartCount + 1
+ c.state.RestartCount += 1
logrus.Debugf("Container %s now on retry %d", c.ID(), c.state.RestartCount)
if err := c.save(); err != nil {
return false, err
@@ -1286,7 +1286,7 @@ func (c *Container) restartWithTimeout(ctx context.Context, timeout uint) (err e
// TODO: Add ability to override mount label so we can use this for Mount() too
// TODO: Can we use this for export? Copying SHM into the export might not be
// good
-func (c *Container) mountStorage() (_ string, Err error) {
+func (c *Container) mountStorage() (_ string, deferredErr error) {
var err error
// Container already mounted, nothing to do
if c.state.Mounted {
@@ -1307,7 +1307,7 @@ func (c *Container) mountStorage() (_ string, Err error) {
return "", errors.Wrapf(err, "failed to chown %s", c.config.ShmDir)
}
defer func() {
- if Err != nil {
+ if deferredErr != nil {
if err := c.unmountSHM(c.config.ShmDir); err != nil {
logrus.Errorf("Error unmounting SHM for container %s after mount error: %v", c.ID(), err)
}
@@ -1324,7 +1324,7 @@ func (c *Container) mountStorage() (_ string, Err error) {
return "", err
}
defer func() {
- if Err != nil {
+ if deferredErr != nil {
if err := c.unmount(false); err != nil {
logrus.Errorf("Error unmounting container %s after mount error: %v", c.ID(), err)
}
@@ -1339,7 +1339,7 @@ func (c *Container) mountStorage() (_ string, Err error) {
return "", err
}
defer func() {
- if Err == nil {
+ if deferredErr == nil {
return
}
vol.lock.Lock()
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index 6ec06943f..561dbdc1c 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -62,7 +62,7 @@ func (c *Container) unmountSHM(mount string) error {
// prepare mounts the container and sets up other required resources like net
// namespaces
-func (c *Container) prepare() (Err error) {
+func (c *Container) prepare() error {
var (
wg sync.WaitGroup
netNS ns.NetNS
@@ -1277,21 +1277,21 @@ func (c *Container) generateResolvConf() (string, error) {
}
// If the user provided dns, it trumps all; then dns masq; then resolv.conf
- if len(c.config.DNSServer) > 0 {
+ switch {
+ case len(c.config.DNSServer) > 0:
// We store DNS servers as net.IP, so need to convert to string
for _, server := range c.config.DNSServer {
nameservers = append(nameservers, server.String())
}
- } else if len(cniNameServers) > 0 {
+ case len(cniNameServers) > 0:
nameservers = append(nameservers, cniNameServers...)
- } else {
+ default:
// Make a new resolv.conf
nameservers = resolvconf.GetNameservers(resolv.Content)
// slirp4netns has a built in DNS server.
if c.config.NetMode.IsSlirp4netns() {
nameservers = append([]string{"10.0.2.3"}, nameservers...)
}
-
}
search := resolvconf.GetSearchDomains(resolv.Content)
@@ -1451,23 +1451,24 @@ func (c *Container) getOCICgroupPath() (string, error) {
if err != nil {
return "", err
}
- if (rootless.IsRootless() && !unified) || c.config.NoCgroups {
+ switch {
+ case (rootless.IsRootless() && !unified) || c.config.NoCgroups:
return "", nil
- } else if c.runtime.config.CgroupManager == define.SystemdCgroupsManager {
+ case c.runtime.config.CgroupManager == define.SystemdCgroupsManager:
// When runc is set to use Systemd as a cgroup manager, it
// expects cgroups to be passed as follows:
// slice:prefix:name
systemdCgroups := fmt.Sprintf("%s:libpod:%s", path.Base(c.config.CgroupParent), c.ID())
logrus.Debugf("Setting CGroups for container %s to %s", c.ID(), systemdCgroups)
return systemdCgroups, nil
- } else if c.runtime.config.CgroupManager == define.CgroupfsCgroupsManager {
+ case c.runtime.config.CgroupManager == define.CgroupfsCgroupsManager:
cgroupPath, err := c.CGroupPath()
if err != nil {
return "", err
}
logrus.Debugf("Setting CGroup path for container %s to %s", c.ID(), cgroupPath)
return cgroupPath, nil
- } else {
+ default:
return "", errors.Wrapf(define.ErrInvalidArg, "invalid cgroup manager %s requested", c.runtime.config.CgroupManager)
}
}
diff --git a/libpod/container_internal_test.go b/libpod/container_internal_test.go
index f1e2b70a7..5428504ef 100644
--- a/libpod/container_internal_test.go
+++ b/libpod/container_internal_test.go
@@ -61,7 +61,8 @@ func TestPostDeleteHooks(t *testing.T) {
}
stateRegexp := `{"ociVersion":"1\.0\.1-dev","id":"123abc","status":"stopped","bundle":"` + strings.TrimSuffix(os.TempDir(), "/") + `/libpod_test_[0-9]*","annotations":{"a":"b"}}`
- for _, path := range []string{statePath, copyPath} {
+ for _, p := range []string{statePath, copyPath} {
+ path := p
t.Run(path, func(t *testing.T) {
content, err := ioutil.ReadFile(path)
if err != nil {
diff --git a/libpod/events/events.go b/libpod/events/events.go
index 5e828bc8a..0d8c6b7d6 100644
--- a/libpod/events/events.go
+++ b/libpod/events/events.go
@@ -129,8 +129,6 @@ func StringToStatus(name string) (Status, error) {
return Attach, nil
case Checkpoint.String():
return Checkpoint, nil
- case Restore.String():
- return Restore, nil
case Cleanup.String():
return Cleanup, nil
case Commit.String():
diff --git a/libpod/healthcheck.go b/libpod/healthcheck.go
index b42e7d16a..9c274c4f3 100644
--- a/libpod/healthcheck.go
+++ b/libpod/healthcheck.go
@@ -238,7 +238,7 @@ func (c *Container) updateHealthCheckLog(hcl HealthCheckLog, inStartPeriod bool)
}
if !inStartPeriod {
// increment failing streak
- healthCheck.FailingStreak = healthCheck.FailingStreak + 1
+ healthCheck.FailingStreak += 1
// if failing streak > retries, then status to unhealthy
if healthCheck.FailingStreak >= c.HealthCheckConfig().Retries {
healthCheck.Status = HealthCheckUnhealthy
diff --git a/libpod/image/image.go b/libpod/image/image.go
index 84da21ce5..6ea49e2a9 100644
--- a/libpod/image/image.go
+++ b/libpod/image/image.go
@@ -902,8 +902,7 @@ func (i *Image) Annotations(ctx context.Context) (map[string]string, error) {
}
}
annotations := make(map[string]string)
- switch manifestType {
- case ociv1.MediaTypeImageManifest:
+ if manifestType == ociv1.MediaTypeImageManifest {
var m ociv1.Manifest
if err := json.Unmarshal(imageManifest, &m); err == nil {
for k, v := range m.Annotations {
@@ -1528,7 +1527,7 @@ func GetLayersMapWithImageInfo(imageruntime *Runtime) (map[string]*LayerInfo, er
}
}
- // scan all layers & add all childs for each layers to layerInfo
+ // scan all layers & add all childid's for each layers to layerInfo
for _, layer := range layers {
_, ok := layerInfoMap[layer.ID]
if ok {
diff --git a/libpod/image/image_test.go b/libpod/image/image_test.go
index 5aff7d860..3ff6210d9 100644
--- a/libpod/image/image_test.go
+++ b/libpod/image/image_test.go
@@ -3,7 +3,6 @@ package image
import (
"context"
"fmt"
- "io"
"io/ioutil"
"os"
"testing"
@@ -91,8 +90,7 @@ func TestImage_NewFromLocal(t *testing.T) {
RunRoot: workdir,
GraphRoot: workdir,
}
- var writer io.Writer
- writer = os.Stdout
+ writer := os.Stdout
// Need images to be present for this test
ir, err := NewImageRuntimeFromOptions(so)
@@ -108,7 +106,7 @@ func TestImage_NewFromLocal(t *testing.T) {
for _, image := range tm {
// tag our images
- image.img.TagImage(image.taggedName)
+ err = image.img.TagImage(image.taggedName)
assert.NoError(t, err)
for _, name := range image.names {
newImage, err := ir.NewFromLocal(name)
@@ -142,8 +140,7 @@ func TestImage_New(t *testing.T) {
// Build the list of pull names
names = append(names, bbNames...)
names = append(names, fedoraNames...)
- var writer io.Writer
- writer = os.Stdout
+ writer := os.Stdout
// Iterate over the names and delete the image
// after the pull
@@ -213,7 +210,7 @@ func TestImage_RepoDigests(t *testing.T) {
t.Fatal(err)
}
- for _, test := range []struct {
+ for _, tt := range []struct {
name string
names []string
expected []string
@@ -234,6 +231,7 @@ func TestImage_RepoDigests(t *testing.T) {
expected: []string{"docker.io/library/busybox@sha256:7173b809ca12ec5dee4506cd86be934c4596dd234ee82c0662eac04a8c2c71dc"},
},
} {
+ test := tt
t.Run(test.name, func(t *testing.T) {
image := &Image{
image: &storage.Image{
diff --git a/libpod/kube.go b/libpod/kube.go
index 6ae3e3d07..7a5ab670d 100644
--- a/libpod/kube.go
+++ b/libpod/kube.go
@@ -15,7 +15,7 @@ import (
"github.com/opencontainers/runtime-tools/generate"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
- "k8s.io/api/core/v1"
+ v1 "k8s.io/api/core/v1"
v12 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
@@ -310,13 +310,13 @@ func ocicniPortMappingToContainerPort(portMappings []ocicni.PortMapping) ([]v1.C
func libpodEnvVarsToKubeEnvVars(envs []string) ([]v1.EnvVar, error) {
var envVars []v1.EnvVar
for _, e := range envs {
- splitE := strings.SplitN(e, "=", 2)
- if len(splitE) != 2 {
+ split := strings.SplitN(e, "=", 2)
+ if len(split) != 2 {
return envVars, errors.Errorf("environment variable %s is malformed; should be key=value", e)
}
ev := v1.EnvVar{
- Name: splitE[0],
- Value: splitE[1],
+ Name: split[0],
+ Value: split[1],
}
envVars = append(envVars, ev)
}
@@ -365,11 +365,12 @@ func generateKubeVolumeMount(m specs.Mount) (v1.VolumeMount, v1.Volume, error) {
// neither a directory or a file lives here, default to creating a directory
// TODO should this be an error instead?
var hostPathType v1.HostPathType
- if err != nil {
+ switch {
+ case err != nil:
hostPathType = v1.HostPathDirectoryOrCreate
- } else if isDir {
+ case isDir:
hostPathType = v1.HostPathDirectory
- } else {
+ default:
hostPathType = v1.HostPathFile
}
vo.HostPath.Type = &hostPathType
diff --git a/libpod/lock/file/file_lock_test.go b/libpod/lock/file/file_lock_test.go
index 6320d6b70..7ac8bf31a 100644
--- a/libpod/lock/file/file_lock_test.go
+++ b/libpod/lock/file/file_lock_test.go
@@ -17,10 +17,10 @@ func TestCreateAndDeallocate(t *testing.T) {
assert.NoError(t, err)
defer os.RemoveAll(d)
- l, err := OpenFileLock(filepath.Join(d, "locks"))
+ _, err = OpenFileLock(filepath.Join(d, "locks"))
assert.Error(t, err)
- l, err = CreateFileLock(filepath.Join(d, "locks"))
+ l, err := CreateFileLock(filepath.Join(d, "locks"))
assert.NoError(t, err)
lock, err := l.AllocateLock()
diff --git a/libpod/logs/log.go b/libpod/logs/log.go
index 0330df06a..9a7bcb5be 100644
--- a/libpod/logs/log.go
+++ b/libpod/logs/log.go
@@ -96,7 +96,7 @@ func getTailLog(path string, tail int) ([]*LogLine, error) {
}
nlls = append(nlls, nll)
if !nll.Partial() {
- tailCounter = tailCounter + 1
+ tailCounter++
}
if tailCounter == tail {
break
@@ -105,9 +105,9 @@ func getTailLog(path string, tail int) ([]*LogLine, error) {
// Now we iterate the results and assemble partial messages to become full messages
for _, nll := range nlls {
if nll.Partial() {
- partial = partial + nll.Msg
+ partial += nll.Msg
} else {
- nll.Msg = nll.Msg + partial
+ nll.Msg += partial
tailLog = append(tailLog, nll)
partial = ""
}
@@ -127,7 +127,7 @@ func (l *LogLine) String(options *LogOptions) string {
out = fmt.Sprintf("%s ", cid)
}
if options.Timestamps {
- out = out + fmt.Sprintf("%s ", l.Time.Format(LogTimeFormat))
+ out += fmt.Sprintf("%s ", l.Time.Format(LogTimeFormat))
}
return out + l.Msg
}
diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go
index 89dac2b5d..d90bcb708 100644
--- a/libpod/networking_linux.go
+++ b/libpod/networking_linux.go
@@ -148,7 +148,7 @@ func (r *Runtime) createNetNS(ctr *Container) (n ns.NetNS, q []*cnitypes.Result,
logrus.Debugf("Made network namespace at %s for container %s", ctrNS.Path(), ctr.ID())
networkStatus := []*cnitypes.Result{}
- if !rootless.IsRootless() {
+ if !rootless.IsRootless() && ctr.config.NetMode != "slirp4netns" {
networkStatus, err = r.configureNetNS(ctr, ctrNS)
}
return ctrNS, networkStatus, err
@@ -255,7 +255,7 @@ func (r *Runtime) setupRootlessNetNS(ctr *Container) (err error) {
}
defer func() {
if err := cmd.Process.Release(); err != nil {
- logrus.Errorf("unable to release comman process: %q", err)
+ logrus.Errorf("unable to release command process: %q", err)
}
}()
@@ -462,7 +462,7 @@ func (r *Runtime) teardownNetNS(ctr *Container) error {
logrus.Debugf("Tearing down network namespace at %s for container %s", ctr.state.NetNS.Path(), ctr.ID())
// rootless containers do not use the CNI plugin
- if !rootless.IsRootless() {
+ if !rootless.IsRootless() && ctr.config.NetMode != "slirp4netns" {
var requestedIP net.IP
if ctr.requestedIP != nil {
requestedIP = ctr.requestedIP
diff --git a/libpod/oci_conmon_linux.go b/libpod/oci_conmon_linux.go
index 3b0b7bc7b..5ab0e73c4 100644
--- a/libpod/oci_conmon_linux.go
+++ b/libpod/oci_conmon_linux.go
@@ -149,9 +149,23 @@ func (r *ConmonOCIRuntime) Path() string {
return r.path
}
+// hasCurrentUserMapped checks whether the current user is mapped inside the container user namespace
+func hasCurrentUserMapped(ctr *Container) bool {
+ if len(ctr.config.IDMappings.UIDMap) == 0 && len(ctr.config.IDMappings.GIDMap) == 0 {
+ return true
+ }
+ uid := os.Geteuid()
+ for _, m := range ctr.config.IDMappings.UIDMap {
+ if uid >= m.HostID && uid < m.HostID+m.Size {
+ return true
+ }
+ }
+ return false
+}
+
// CreateContainer creates a container.
func (r *ConmonOCIRuntime) CreateContainer(ctr *Container, restoreOptions *ContainerCheckpointOptions) (err error) {
- if len(ctr.config.IDMappings.UIDMap) != 0 || len(ctr.config.IDMappings.GIDMap) != 0 {
+ if !hasCurrentUserMapped(ctr) {
for _, i := range []string{ctr.state.RunDir, ctr.runtime.config.TmpDir, ctr.config.StaticDir, ctr.state.Mountpoint, ctr.runtime.config.VolumePath} {
if err := makeAccessible(i, ctr.RootUID(), ctr.RootGID()); err != nil {
return err
@@ -586,7 +600,8 @@ func (r *ConmonOCIRuntime) ExecContainer(c *Container, sessionID string, options
// we don't want to step on users fds they asked to preserve
// Since 0-2 are used for stdio, start the fds we pass in at preserveFDs+3
- execCmd.Env = append(r.conmonEnv, fmt.Sprintf("_OCI_SYNCPIPE=%d", options.PreserveFDs+3), fmt.Sprintf("_OCI_STARTPIPE=%d", options.PreserveFDs+4), fmt.Sprintf("_OCI_ATTACHPIPE=%d", options.PreserveFDs+5))
+ execCmd.Env = r.conmonEnv
+ execCmd.Env = append(execCmd.Env, fmt.Sprintf("_OCI_SYNCPIPE=%d", options.PreserveFDs+3), fmt.Sprintf("_OCI_STARTPIPE=%d", options.PreserveFDs+4), fmt.Sprintf("_OCI_ATTACHPIPE=%d", options.PreserveFDs+5))
execCmd.Env = append(execCmd.Env, conmonEnv...)
execCmd.ExtraFiles = append(execCmd.ExtraFiles, childSyncPipe, childStartPipe, childAttachPipe)
@@ -998,7 +1013,8 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co
return err
}
- cmd.Env = append(r.conmonEnv, fmt.Sprintf("_OCI_SYNCPIPE=%d", 3), fmt.Sprintf("_OCI_STARTPIPE=%d", 4))
+ cmd.Env = r.conmonEnv
+ cmd.Env = append(cmd.Env, fmt.Sprintf("_OCI_SYNCPIPE=%d", 3), fmt.Sprintf("_OCI_STARTPIPE=%d", 4))
cmd.Env = append(cmd.Env, conmonEnv...)
cmd.ExtraFiles = append(cmd.ExtraFiles, childSyncPipe, childStartPipe)
cmd.ExtraFiles = append(cmd.ExtraFiles, envFiles...)
@@ -1306,12 +1322,10 @@ func (r *ConmonOCIRuntime) moveConmonToCgroupAndSignal(ctr *Container, cmd *exec
control, err := cgroups.New(cgroupPath, &spec.LinuxResources{})
if err != nil {
logrus.Warnf("Failed to add conmon to cgroupfs sandbox cgroup: %v", err)
- } else {
+ } else if err := control.AddPid(cmd.Process.Pid); err != nil {
// we need to remove this defer and delete the cgroup once conmon exits
// maybe need a conmon monitor?
- if err := control.AddPid(cmd.Process.Pid); err != nil {
- logrus.Warnf("Failed to add conmon to cgroupfs sandbox cgroup: %v", err)
- }
+ logrus.Warnf("Failed to add conmon to cgroupfs sandbox cgroup: %v", err)
}
}
}
diff --git a/libpod/options.go b/libpod/options.go
index 1d6863e7b..8bc5a541d 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -733,7 +733,9 @@ func WithExitCommand(exitCommand []string) CtrCreateOption {
return define.ErrCtrFinalized
}
- ctr.config.ExitCommand = append(exitCommand, ctr.ID())
+ ctr.config.ExitCommand = exitCommand
+ ctr.config.ExitCommand = append(ctr.config.ExitCommand, ctr.ID())
+
return nil
}
}
diff --git a/libpod/runtime.go b/libpod/runtime.go
index b4cbde28e..8dcec82db 100644
--- a/libpod/runtime.go
+++ b/libpod/runtime.go
@@ -180,12 +180,13 @@ func getLockManager(runtime *Runtime) (lock.Manager, error) {
// Set up the lock manager
manager, err = lock.OpenSHMLockManager(lockPath, runtime.config.NumLocks)
if err != nil {
- if os.IsNotExist(errors.Cause(err)) {
+ switch {
+ case os.IsNotExist(errors.Cause(err)):
manager, err = lock.NewSHMLockManager(lockPath, runtime.config.NumLocks)
if err != nil {
return nil, errors.Wrapf(err, "failed to get new shm lock manager")
}
- } else if errors.Cause(err) == syscall.ERANGE && runtime.doRenumber {
+ case errors.Cause(err) == syscall.ERANGE && runtime.doRenumber:
logrus.Debugf("Number of locks does not match - removing old locks")
// ERANGE indicates a lock numbering mismatch.
@@ -199,7 +200,7 @@ func getLockManager(runtime *Runtime) (lock.Manager, error) {
if err != nil {
return nil, err
}
- } else {
+ default:
return nil, err
}
}
@@ -289,10 +290,8 @@ func makeRuntime(ctx context.Context, runtime *Runtime) (err error) {
logrus.Debug("Not configuring container store")
} else if runtime.noStore {
logrus.Debug("No store required. Not opening container store.")
- } else {
- if err := runtime.configureStore(); err != nil {
- return err
- }
+ } else if err := runtime.configureStore(); err != nil {
+ return err
}
defer func() {
if err != nil && store != nil {
@@ -718,18 +717,14 @@ func (r *Runtime) generateName() (string, error) {
// Make sure container with this name does not exist
if _, err := r.state.LookupContainer(name); err == nil {
continue
- } else {
- if errors.Cause(err) != define.ErrNoSuchCtr {
- return "", err
- }
+ } else if errors.Cause(err) != define.ErrNoSuchCtr {
+ return "", err
}
// Make sure pod with this name does not exist
if _, err := r.state.LookupPod(name); err == nil {
continue
- } else {
- if errors.Cause(err) != define.ErrNoSuchPod {
- return "", err
- }
+ } else if errors.Cause(err) != define.ErrNoSuchPod {
+ return "", err
}
return name, nil
}
diff --git a/libpod/runtime_cstorage.go b/libpod/runtime_cstorage.go
index 2d523a7d2..cfcf4589f 100644
--- a/libpod/runtime_cstorage.go
+++ b/libpod/runtime_cstorage.go
@@ -107,15 +107,13 @@ func (r *Runtime) removeStorageContainer(idOrName string, force bool) error {
if timesMounted > 0 {
return errors.Wrapf(define.ErrCtrStateInvalid, "container %q is mounted and cannot be removed without using force", idOrName)
}
- } else {
- if _, err := r.store.Unmount(ctr.ID, true); err != nil {
- if errors.Cause(err) == storage.ErrContainerUnknown {
- // Container again gone, no error
- logrus.Warnf("Storage for container %s already removed", ctr.ID)
- return nil
- }
- return errors.Wrapf(err, "error unmounting container %q", idOrName)
+ } else if _, err := r.store.Unmount(ctr.ID, true); err != nil {
+ if errors.Cause(err) == storage.ErrContainerUnknown {
+ // Container again gone, no error
+ logrus.Warnf("Storage for container %s already removed", ctr.ID)
+ return nil
}
+ return errors.Wrapf(err, "error unmounting container %q", idOrName)
}
if err := r.store.DeleteContainer(ctr.ID); err != nil {
diff --git a/libpod/runtime_ctr.go b/libpod/runtime_ctr.go
index 51efc5996..de7cfd3b8 100644
--- a/libpod/runtime_ctr.go
+++ b/libpod/runtime_ctr.go
@@ -234,15 +234,16 @@ func (r *Runtime) setupContainer(ctx context.Context, ctr *Container) (c *Contai
}
case define.SystemdCgroupsManager:
if ctr.config.CgroupParent == "" {
- if pod != nil && pod.config.UsePodCgroup {
+ switch {
+ case pod != nil && pod.config.UsePodCgroup:
podCgroup, err := pod.CgroupPath()
if err != nil {
return nil, errors.Wrapf(err, "error retrieving pod %s cgroup", pod.ID())
}
ctr.config.CgroupParent = podCgroup
- } else if rootless.IsRootless() {
+ case rootless.IsRootless():
ctr.config.CgroupParent = SystemdDefaultRootlessCgroupParent
- } else {
+ default:
ctr.config.CgroupParent = SystemdDefaultCgroupParent
}
} else if len(ctr.config.CgroupParent) < 6 || !strings.HasSuffix(path.Base(ctr.config.CgroupParent), ".slice") {
@@ -361,10 +362,8 @@ func (r *Runtime) setupContainer(ctx context.Context, ctr *Container) (c *Contai
if err := r.state.AddContainerToPod(pod, ctr); err != nil {
return nil, err
}
- } else {
- if err := r.state.AddContainer(ctr); err != nil {
- return nil, err
- }
+ } else if err := r.state.AddContainer(ctr); err != nil {
+ return nil, err
}
ctr.newContainerEvent(events.Create)
return ctr, nil
diff --git a/libpod/runtime_pod_linux.go b/libpod/runtime_pod_linux.go
index 563d9728a..450c64d24 100644
--- a/libpod/runtime_pod_linux.go
+++ b/libpod/runtime_pod_linux.go
@@ -19,7 +19,7 @@ import (
)
// NewPod makes a new, empty pod
-func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (_ *Pod, Err error) {
+func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (_ *Pod, deferredErr error) {
r.lock.Lock()
defer r.lock.Unlock()
@@ -65,7 +65,7 @@ func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (_ *Po
pod.config.LockID = pod.lock.ID()
defer func() {
- if Err != nil {
+ if deferredErr != nil {
if err := pod.lock.Free(); err != nil {
logrus.Errorf("Error freeing pod lock after failed creation: %v", err)
}
@@ -126,7 +126,7 @@ func (r *Runtime) NewPod(ctx context.Context, options ...PodCreateOption) (_ *Po
return nil, errors.Wrapf(err, "error adding pod to state")
}
defer func() {
- if Err != nil {
+ if deferredErr != nil {
if err := r.removePod(ctx, pod, true, true); err != nil {
logrus.Errorf("Error removing pod after pause container creation failure: %v", err)
}
diff --git a/libpod/runtime_volume_linux.go b/libpod/runtime_volume_linux.go
index 5b05acea4..e1f3480ce 100644
--- a/libpod/runtime_volume_linux.go
+++ b/libpod/runtime_volume_linux.go
@@ -28,7 +28,7 @@ func (r *Runtime) NewVolume(ctx context.Context, options ...VolumeCreateOption)
}
// newVolume creates a new empty volume
-func (r *Runtime) newVolume(ctx context.Context, options ...VolumeCreateOption) (_ *Volume, Err error) {
+func (r *Runtime) newVolume(ctx context.Context, options ...VolumeCreateOption) (_ *Volume, deferredErr error) {
volume, err := newVolume(r)
if err != nil {
return nil, errors.Wrapf(err, "error creating volume")
@@ -98,7 +98,7 @@ func (r *Runtime) newVolume(ctx context.Context, options ...VolumeCreateOption)
volume.config.LockID = volume.lock.ID()
defer func() {
- if Err != nil {
+ if deferredErr != nil {
if err := volume.lock.Free(); err != nil {
logrus.Errorf("Error freeing volume lock after failed creation: %v", err)
}
diff --git a/libpod/state_test.go b/libpod/state_test.go
index d4a4149f9..39937d8e4 100644
--- a/libpod/state_test.go
+++ b/libpod/state_test.go
@@ -350,7 +350,8 @@ func TestAddCtrSameNamespaceSucceeds(t *testing.T) {
testCtr.config.Namespace = "test1"
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
err = state.AddContainer(testCtr)
assert.NoError(t, err)
@@ -369,12 +370,14 @@ func TestAddCtrDifferentNamespaceFails(t *testing.T) {
testCtr.config.Namespace = "test1"
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.AddContainer(testCtr)
assert.Error(t, err)
- state.SetNamespace("")
+ err = state.SetNamespace("")
+ assert.NoError(t, err)
ctrs, err := state.AllContainers()
assert.NoError(t, err)
@@ -406,7 +409,8 @@ func TestGetContainerInDifferentNamespaceFails(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
_, err = state.Container(testCtr.ID())
assert.Error(t, err)
@@ -423,7 +427,8 @@ func TestGetContainerInSameNamespaceSucceeds(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
ctr, err := state.Container(testCtr.ID())
assert.NoError(t, err)
@@ -586,7 +591,8 @@ func TestLookupCtrInSameNamespaceSucceeds(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
ctr, err := state.LookupContainer(testCtr.ID())
assert.NoError(t, err)
@@ -608,7 +614,8 @@ func TestLookupCtrInDifferentNamespaceFails(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
_, err = state.LookupContainer(testCtr.ID())
assert.Error(t, err)
@@ -633,7 +640,8 @@ func TestLookupContainerMatchInDifferentNamespaceSucceeds(t *testing.T) {
err = state.AddContainer(testCtr2)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
ctr, err := state.LookupContainer("000")
assert.NoError(t, err)
@@ -698,7 +706,8 @@ func TestHasContainerSameNamespaceIsTrue(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
exists, err := state.HasContainer(testCtr.ID())
assert.NoError(t, err)
@@ -716,7 +725,8 @@ func TestHasContainerDifferentNamespaceIsFalse(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
exists, err := state.HasContainer(testCtr.ID())
assert.NoError(t, err)
@@ -759,7 +769,8 @@ func TestSaveAndUpdateContainerSameNamespaceSucceeds(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
retrievedCtr, err := state.Container(testCtr.ID())
assert.NoError(t, err)
@@ -806,7 +817,8 @@ func TestUpdateContainerNotInNamespaceReturnsError(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.UpdateContainer(testCtr)
assert.Error(t, err)
@@ -841,7 +853,8 @@ func TestSaveContainerNotInNamespaceReturnsError(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.SaveContainer(testCtr)
assert.Error(t, err)
@@ -894,12 +907,14 @@ func TestRemoveContainerNotInNamespaceFails(t *testing.T) {
assert.NoError(t, err)
assert.Equal(t, 1, len(ctrs))
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.RemoveContainer(testCtr)
assert.Error(t, err)
- state.SetNamespace("")
+ err = state.SetNamespace("")
+ assert.NoError(t, err)
ctrs2, err := state.AllContainers()
assert.NoError(t, err)
@@ -960,7 +975,8 @@ func TestGetAllContainersNoContainerInNamespace(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
ctrs, err := state.AllContainers()
assert.NoError(t, err)
@@ -984,7 +1000,8 @@ func TestGetContainerOneContainerInNamespace(t *testing.T) {
err = state.AddContainer(testCtr2)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
ctrs, err := state.AllContainers()
assert.NoError(t, err)
@@ -1020,7 +1037,8 @@ func TestContainerInUseCtrNotInNamespace(t *testing.T) {
err = state.AddContainer(testCtr)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
_, err = state.ContainerInUse(testCtr)
assert.Error(t, err)
@@ -1497,7 +1515,8 @@ func TestGetPodInNamespaceSucceeds(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
statePod, err := state.Pod(testPod.ID())
assert.NoError(t, err)
@@ -1516,7 +1535,8 @@ func TestGetPodPodNotInNamespaceFails(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
_, err = state.Pod(testPod.ID())
assert.Error(t, err)
@@ -1637,7 +1657,8 @@ func TestLookupPodInSameNamespaceSucceeds(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
statePod, err := state.LookupPod(testPod.ID())
assert.NoError(t, err)
@@ -1656,7 +1677,8 @@ func TestLookupPodInDifferentNamespaceFails(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
_, err = state.LookupPod(testPod.ID())
assert.Error(t, err)
@@ -1681,7 +1703,8 @@ func TestLookupPodOneInDifferentNamespaceFindsRightPod(t *testing.T) {
err = state.AddPod(testPod2)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
pod, err := state.LookupPod(strings.Repeat("1", 5))
assert.NoError(t, err)
@@ -1757,7 +1780,8 @@ func TestHasPodSameNamespaceSucceeds(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
exist, err := state.HasPod(testPod.ID())
assert.NoError(t, err)
@@ -1775,7 +1799,8 @@ func TestHasPodDifferentNamespaceFails(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
exist, err := state.HasPod(testPod.ID())
assert.NoError(t, err)
@@ -1913,7 +1938,8 @@ func TestAddPodSameNamespaceSucceeds(t *testing.T) {
testPod.config.Namespace = "test1"
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
err = state.AddPod(testPod)
assert.NoError(t, err)
@@ -1933,12 +1959,14 @@ func TestAddPodDifferentNamespaceFails(t *testing.T) {
testPod.config.Namespace = "test1"
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.AddPod(testPod)
assert.Error(t, err)
- state.SetNamespace("")
+ err = state.SetNamespace("")
+ assert.NoError(t, err)
allPods, err := state.AllPods()
assert.NoError(t, err)
@@ -2067,12 +2095,14 @@ func TestRemovePodNotInNamespaceFails(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.RemovePod(testPod)
assert.Error(t, err)
- state.SetNamespace("")
+ err = state.SetNamespace("")
+ assert.NoError(t, err)
allPods, err := state.AllPods()
assert.NoError(t, err)
@@ -2152,7 +2182,8 @@ func TestAllPodsPodInDifferentNamespaces(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
allPods, err := state.AllPods()
assert.NoError(t, err)
@@ -2178,7 +2209,8 @@ func TestAllPodsOnePodInDifferentNamespace(t *testing.T) {
err = state.AddPod(testPod2)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
allPods, err := state.AllPods()
assert.NoError(t, err)
@@ -2274,7 +2306,8 @@ func TestPodHasContainerPodNotInNamespaceFails(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
_, err = state.PodHasContainer(testPod, strings.Repeat("2", 32))
assert.Error(t, err)
@@ -2393,7 +2426,8 @@ func TestPodContainerByIDPodNotInNamespace(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
_, err = state.PodContainersByID(testPod)
assert.Error(t, err)
@@ -2513,7 +2547,8 @@ func TestPodContainersPodNotInNamespace(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
_, err = state.PodContainers(testPod)
assert.Error(t, err)
@@ -2686,7 +2721,8 @@ func TestRemoveContainersNotInNamespace(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.RemovePodContainers(testPod)
assert.Error(t, err)
@@ -3229,7 +3265,8 @@ func TestAddCtrToPodSameNamespaceSucceeds(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
err = state.AddContainerToPod(testPod, testCtr)
assert.NoError(t, err)
@@ -3253,15 +3290,17 @@ func TestAddCtrToPodDifferentNamespaceFails(t *testing.T) {
testPod.config.Namespace = "test1"
testCtr.config.Pod = testPod.ID()
- state.AddPod(testPod)
+ err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.AddContainerToPod(testPod, testCtr)
assert.Error(t, err)
- state.SetNamespace("")
+ err = state.SetNamespace("")
+ assert.NoError(t, err)
ctrs, err := state.AllContainers()
assert.NoError(t, err)
@@ -3461,7 +3500,8 @@ func TestRemoveContainerFromPodSameNamespaceSucceeds(t *testing.T) {
err = state.AddContainerToPod(testPod, testCtr)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
err = state.RemoveContainerFromPod(testPod, testCtr)
assert.NoError(t, err)
@@ -3495,12 +3535,14 @@ func TestRemoveContainerFromPodDifferentNamespaceFails(t *testing.T) {
err = state.AddContainerToPod(testPod, testCtr)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.RemoveContainerFromPod(testPod, testCtr)
assert.Error(t, err)
- state.SetNamespace("")
+ err = state.SetNamespace("")
+ assert.NoError(t, err)
ctrs, err := state.PodContainers(testPod)
assert.NoError(t, err)
@@ -3539,7 +3581,8 @@ func TestUpdatePodNotInNamespaceFails(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.UpdatePod(testPod)
assert.Error(t, err)
@@ -3573,7 +3616,8 @@ func TestSavePodNotInNamespaceFails(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test2")
+ err = state.SetNamespace("test2")
+ assert.NoError(t, err)
err = state.SavePod(testPod)
assert.Error(t, err)
@@ -3615,7 +3659,8 @@ func TestSaveAndUpdatePodSameNamespace(t *testing.T) {
err = state.AddPod(testPod)
assert.NoError(t, err)
- state.SetNamespace("test1")
+ err = state.SetNamespace("test1")
+ assert.NoError(t, err)
statePod, err := state.Pod(testPod.ID())
assert.NoError(t, err)
diff --git a/libpod/volume_internal_linux.go b/libpod/volume_internal_linux.go
index 70eccbecb..081a17325 100644
--- a/libpod/volume_internal_linux.go
+++ b/libpod/volume_internal_linux.go
@@ -39,7 +39,7 @@ func (v *Volume) mount() error {
// If the count is non-zero, the volume is already mounted.
// Nothing to do.
if v.state.MountCount > 0 {
- v.state.MountCount = v.state.MountCount + 1
+ v.state.MountCount += 1
logrus.Debugf("Volume %s mount count now at %d", v.Name(), v.state.MountCount)
return v.save()
}
@@ -81,7 +81,7 @@ func (v *Volume) mount() error {
logrus.Debugf("Mounted volume %s", v.Name())
// Increment the mount counter
- v.state.MountCount = v.state.MountCount + 1
+ v.state.MountCount += 1
logrus.Debugf("Volume %s mount count now at %d", v.Name(), v.state.MountCount)
return v.save()
}
@@ -124,7 +124,7 @@ func (v *Volume) unmount(force bool) error {
}
if !force {
- v.state.MountCount = v.state.MountCount - 1
+ v.state.MountCount -= 1
} else {
v.state.MountCount = 0
}