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-rw-r--r--libpod/boltdb_state.go66
-rw-r--r--libpod/boltdb_state_internal.go11
-rw-r--r--libpod/container.go15
-rw-r--r--libpod/container_api.go2
-rw-r--r--libpod/container_attach_linux.go7
-rw-r--r--libpod/container_graph.go2
-rw-r--r--libpod/container_inspect.go8
-rw-r--r--libpod/container_internal.go28
-rw-r--r--libpod/container_internal_linux.go1
-rw-r--r--libpod/events/filters.go5
-rw-r--r--libpod/events/nullout.go3
-rw-r--r--libpod/healthcheck_linux.go2
-rw-r--r--libpod/image/image.go60
-rw-r--r--libpod/image/pull.go14
-rw-r--r--libpod/image/search.go4
-rw-r--r--libpod/kube.go3
-rw-r--r--libpod/logs/log.go5
-rw-r--r--libpod/networking_linux.go21
-rw-r--r--libpod/oci.go4
-rw-r--r--libpod/oci_linux.go31
-rw-r--r--libpod/options.go15
-rw-r--r--libpod/runtime.go7
22 files changed, 164 insertions, 150 deletions
diff --git a/libpod/boltdb_state.go b/libpod/boltdb_state.go
index 4dda3a7f0..176781f07 100644
--- a/libpod/boltdb_state.go
+++ b/libpod/boltdb_state.go
@@ -66,7 +66,7 @@ func NewBoltState(path string, runtime *Runtime) (State, error) {
if err != nil {
return nil, errors.Wrapf(err, "error opening database %s", path)
}
- // Everywhere else, we use s.closeDBCon(db) to ensure the state's DB
+ // Everywhere else, we use s.deferredCloseDBCon(db) to ensure the state's DB
// mutex is also unlocked.
// However, here, the mutex has not been locked, since we just created
// the DB connection, and it hasn't left this function yet - no risk of
@@ -141,7 +141,7 @@ func (s *BoltState) Refresh() error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
idBucket, err := getIDBucket(tx)
@@ -253,7 +253,7 @@ func (s *BoltState) GetDBConfig() (*DBConfig, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
configBucket, err := getRuntimeConfigBucket(tx)
@@ -298,7 +298,7 @@ func (s *BoltState) ValidateDBConfig(runtime *Runtime) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
// Check runtime configuration
if err := checkRuntimeConfig(db, runtime); err != nil {
@@ -342,7 +342,7 @@ func (s *BoltState) Container(id string) (*Container, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
ctrBucket, err := getCtrBucket(tx)
@@ -378,7 +378,7 @@ func (s *BoltState) LookupContainer(idOrName string) (*Container, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
ctrBucket, err := getCtrBucket(tx)
@@ -484,7 +484,7 @@ func (s *BoltState) HasContainer(id string) (bool, error) {
if err != nil {
return false, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
exists := false
@@ -549,7 +549,7 @@ func (s *BoltState) RemoveContainer(ctr *Container) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
return s.removeContainer(ctr, nil, tx)
@@ -580,7 +580,7 @@ func (s *BoltState) UpdateContainer(ctr *Container) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
ctrBucket, err := getCtrBucket(tx)
@@ -651,7 +651,7 @@ func (s *BoltState) SaveContainer(ctr *Container) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
ctrBucket, err := getCtrBucket(tx)
@@ -708,7 +708,7 @@ func (s *BoltState) ContainerInUse(ctr *Container) ([]string, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
ctrBucket, err := getCtrBucket(tx)
@@ -759,7 +759,7 @@ func (s *BoltState) AllContainers() ([]*Container, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
allCtrsBucket, err := getAllCtrsBucket(tx)
@@ -833,7 +833,7 @@ func (s *BoltState) RewriteContainerConfig(ctr *Container, newCfg *ContainerConf
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
ctrBkt, err := getCtrBucket(tx)
@@ -877,7 +877,7 @@ func (s *BoltState) RewritePodConfig(pod *Pod, newCfg *PodConfig) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
podBkt, err := getPodBucket(tx)
@@ -920,7 +920,7 @@ func (s *BoltState) Pod(id string) (*Pod, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
podBkt, err := getPodBucket(tx)
@@ -955,7 +955,7 @@ func (s *BoltState) LookupPod(idOrName string) (*Pod, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
podBkt, err := getPodBucket(tx)
@@ -1062,7 +1062,7 @@ func (s *BoltState) HasPod(id string) (bool, error) {
if err != nil {
return false, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
podBkt, err := getPodBucket(tx)
@@ -1118,7 +1118,7 @@ func (s *BoltState) PodHasContainer(pod *Pod, id string) (bool, error) {
if err != nil {
return false, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
podBkt, err := getPodBucket(tx)
@@ -1180,7 +1180,7 @@ func (s *BoltState) PodContainersByID(pod *Pod) ([]string, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
podBkt, err := getPodBucket(tx)
@@ -1242,7 +1242,7 @@ func (s *BoltState) PodContainers(pod *Pod) ([]*Container, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
podBkt, err := getPodBucket(tx)
@@ -1312,7 +1312,7 @@ func (s *BoltState) AddVolume(volume *Volume) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
volBkt, err := getVolBucket(tx)
@@ -1369,7 +1369,7 @@ func (s *BoltState) RemoveVolume(volume *Volume) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
volBkt, err := getVolBucket(tx)
@@ -1451,7 +1451,7 @@ func (s *BoltState) AllVolumes() ([]*Volume, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
allVolsBucket, err := getAllVolsBucket(tx)
@@ -1512,7 +1512,7 @@ func (s *BoltState) Volume(name string) (*Volume, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
volBkt, err := getVolBucket(tx)
@@ -1547,7 +1547,7 @@ func (s *BoltState) HasVolume(name string) (bool, error) {
if err != nil {
return false, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
volBkt, err := getVolBucket(tx)
@@ -1587,7 +1587,7 @@ func (s *BoltState) VolumeInUse(volume *Volume) ([]string, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
volBucket, err := getVolBucket(tx)
@@ -1673,7 +1673,7 @@ func (s *BoltState) AddPod(pod *Pod) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
podBkt, err := getPodBucket(tx)
@@ -1782,7 +1782,7 @@ func (s *BoltState) RemovePod(pod *Pod) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
podBkt, err := getPodBucket(tx)
@@ -1877,7 +1877,7 @@ func (s *BoltState) RemovePodContainers(pod *Pod) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
podBkt, err := getPodBucket(tx)
@@ -2038,7 +2038,7 @@ func (s *BoltState) RemoveContainerFromPod(pod *Pod, ctr *Container) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
return s.removeContainer(ctr, pod, tx)
@@ -2066,7 +2066,7 @@ func (s *BoltState) UpdatePod(pod *Pod) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
podID := []byte(pod.ID())
@@ -2126,7 +2126,7 @@ func (s *BoltState) SavePod(pod *Pod) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
podID := []byte(pod.ID())
@@ -2168,7 +2168,7 @@ func (s *BoltState) AllPods() ([]*Pod, error) {
if err != nil {
return nil, err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.View(func(tx *bolt.Tx) error {
allPodsBucket, err := getAllPodsBucket(tx)
diff --git a/libpod/boltdb_state_internal.go b/libpod/boltdb_state_internal.go
index ee2784cdd..408ef7224 100644
--- a/libpod/boltdb_state_internal.go
+++ b/libpod/boltdb_state_internal.go
@@ -247,6 +247,15 @@ func (s *BoltState) getDBCon() (*bolt.DB, error) {
return db, nil
}
+// deferredCloseDBCon closes the bolt db but instead of returning an
+// error it logs the error. it is meant to be used within the confines
+// of a defer statement only
+func (s *BoltState) deferredCloseDBCon(db *bolt.DB) {
+ if err := s.closeDBCon(db); err != nil {
+ logrus.Errorf("failed to close libpod db: %q", err)
+ }
+}
+
// Close a connection to the database.
// MUST be used in place of `db.Close()` to ensure proper unlocking of the
// state.
@@ -479,7 +488,7 @@ func (s *BoltState) addContainer(ctr *Container, pod *Pod) error {
if err != nil {
return err
}
- defer s.closeDBCon(db)
+ defer s.deferredCloseDBCon(db)
err = db.Update(func(tx *bolt.Tx) error {
idsBucket, err := getIDBucket(tx)
diff --git a/libpod/container.go b/libpod/container.go
index a9b512de9..b71c0b2be 100644
--- a/libpod/container.go
+++ b/libpod/container.go
@@ -639,10 +639,7 @@ func (c *Container) HostsAdd() []string {
// trigger some OCI hooks.
func (c *Container) UserVolumes() []string {
volumes := make([]string, 0, len(c.config.UserVolumes))
- for _, vol := range c.config.UserVolumes {
- volumes = append(volumes, vol)
- }
-
+ volumes = append(volumes, c.config.UserVolumes...)
return volumes
}
@@ -650,10 +647,7 @@ func (c *Container) UserVolumes() []string {
// This is not added to the spec, but is instead used during image commit.
func (c *Container) Entrypoint() []string {
entrypoint := make([]string, 0, len(c.config.Entrypoint))
- for _, str := range c.config.Entrypoint {
- entrypoint = append(entrypoint, str)
- }
-
+ entrypoint = append(entrypoint, c.config.Entrypoint...)
return entrypoint
}
@@ -661,10 +655,7 @@ func (c *Container) Entrypoint() []string {
// This is not added to the spec, but is instead used during image commit
func (c *Container) Command() []string {
command := make([]string, 0, len(c.config.Command))
- for _, str := range c.config.Command {
- command = append(command, str)
- }
-
+ command = append(command, c.config.Command...)
return command
}
diff --git a/libpod/container_api.go b/libpod/container_api.go
index 3dd84b02c..3577b8e8c 100644
--- a/libpod/container_api.go
+++ b/libpod/container_api.go
@@ -277,7 +277,7 @@ func (c *Container) Exec(tty, privileged bool, env, cmd []string, user, workDir
break
}
}
- if found == true {
+ if found {
sessionID = stringid.GenerateNonCryptoID()
}
}
diff --git a/libpod/container_attach_linux.go b/libpod/container_attach_linux.go
index 17b09fccc..43dd7d579 100644
--- a/libpod/container_attach_linux.go
+++ b/libpod/container_attach_linux.go
@@ -10,6 +10,7 @@ import (
"path/filepath"
"github.com/containers/libpod/libpod/define"
+ "github.com/containers/libpod/pkg/errorhandling"
"github.com/containers/libpod/pkg/kubeutils"
"github.com/containers/libpod/utils"
"github.com/docker/docker/pkg/term"
@@ -66,7 +67,7 @@ func (c *Container) attachContainerSocket(resize <-chan remotecommand.TerminalSi
logrus.Debugf("Could not open ctl file: %v", err)
return
}
- defer controlFile.Close()
+ defer errorhandling.CloseQuiet(controlFile)
logrus.Debugf("Received a resize event: %+v", size)
if _, err = fmt.Fprintf(controlFile, "%d %d %d\n", 1, size.Height, size.Width); err != nil {
@@ -108,7 +109,9 @@ func (c *Container) attachContainerSocket(resize <-chan remotecommand.TerminalSi
var err error
if streams.AttachInput {
_, err = utils.CopyDetachable(conn, streams.InputStream, detachKeys)
- conn.CloseWrite()
+ if err := conn.CloseWrite(); err != nil {
+ logrus.Error("failed to close write in attach")
+ }
}
stdinDone <- err
}()
diff --git a/libpod/container_graph.go b/libpod/container_graph.go
index 50dbdfbe4..5aa51bc2f 100644
--- a/libpod/container_graph.go
+++ b/libpod/container_graph.go
@@ -264,6 +264,4 @@ func startNode(ctx context.Context, node *containerNode, setError bool, ctrError
for _, successor := range node.dependedOn {
startNode(ctx, successor, ctrErrored, ctrErrors, ctrsVisited, restart)
}
-
- return
}
diff --git a/libpod/container_inspect.go b/libpod/container_inspect.go
index 2de78254c..de0027414 100644
--- a/libpod/container_inspect.go
+++ b/libpod/container_inspect.go
@@ -454,9 +454,7 @@ func (c *Container) generateInspectContainerConfig(spec *spec.Spec) (*InspectCon
if spec.Process != nil {
ctrConfig.Tty = spec.Process.Terminal
ctrConfig.Env = []string{}
- for _, val := range spec.Process.Env {
- ctrConfig.Env = append(ctrConfig.Env, val)
- }
+ ctrConfig.Env = append(ctrConfig.Env, spec.Process.Env...)
ctrConfig.WorkingDir = spec.Process.Cwd
}
@@ -466,9 +464,7 @@ func (c *Container) generateInspectContainerConfig(spec *spec.Spec) (*InspectCon
// Leave empty is not explicitly overwritten by user
if len(c.config.Command) != 0 {
ctrConfig.Cmd = []string{}
- for _, val := range c.config.Command {
- ctrConfig.Cmd = append(ctrConfig.Cmd, val)
- }
+ ctrConfig.Cmd = append(ctrConfig.Cmd, c.config.Command...)
}
// Leave empty if not explicitly overwritten by user
diff --git a/libpod/container_internal.go b/libpod/container_internal.go
index c409da96a..47b425c0a 100644
--- a/libpod/container_internal.go
+++ b/libpod/container_internal.go
@@ -815,34 +815,6 @@ func (c *Container) checkDependenciesRunning() ([]string, error) {
return notRunning, nil
}
-// Check if a container's dependencies are running
-// Returns a []string containing the IDs of dependencies that are not running
-// Assumes depencies are already locked, and will be passed in
-// Accepts a map[string]*Container containing, at a minimum, the locked
-// dependency containers
-// (This must be a map from container ID to container)
-func (c *Container) checkDependenciesRunningLocked(depCtrs map[string]*Container) ([]string, error) {
- deps := c.Dependencies()
- notRunning := []string{}
-
- for _, dep := range deps {
- depCtr, ok := depCtrs[dep]
- if !ok {
- return nil, errors.Wrapf(define.ErrNoSuchCtr, "container %s depends on container %s but it is not on containers passed to checkDependenciesRunning", c.ID(), dep)
- }
-
- if err := c.syncContainer(); err != nil {
- return nil, err
- }
-
- if depCtr.state.State != define.ContainerStateRunning {
- notRunning = append(notRunning, dep)
- }
- }
-
- return notRunning, nil
-}
-
func (c *Container) completeNetworkSetup() error {
netDisabled, err := c.NetworkDisabled()
if err != nil {
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index 686a595de..aa477611f 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -636,6 +636,7 @@ func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointO
}
}
+ c.state.FinishedTime = time.Now()
return c.save()
}
diff --git a/libpod/events/filters.go b/libpod/events/filters.go
index 9a64082d1..b3c5eda6e 100644
--- a/libpod/events/filters.go
+++ b/libpod/events/filters.go
@@ -1,7 +1,6 @@
package events
import (
- "fmt"
"strings"
"time"
@@ -23,7 +22,7 @@ func generateEventFilter(filter, filterValue string) (func(e *Event) bool, error
}, nil
case "EVENT", "STATUS":
return func(e *Event) bool {
- return fmt.Sprintf("%s", e.Status) == filterValue
+ return string(e.Status) == filterValue
}, nil
case "IMAGE":
return func(e *Event) bool {
@@ -54,7 +53,7 @@ func generateEventFilter(filter, filterValue string) (func(e *Event) bool, error
}, nil
case "TYPE":
return func(e *Event) bool {
- return fmt.Sprintf("%s", e.Type) == filterValue
+ return string(e.Type) == filterValue
}, nil
}
return nil, errors.Errorf("%s is an invalid filter", filter)
diff --git a/libpod/events/nullout.go b/libpod/events/nullout.go
index 7d811a9c7..b11afcf80 100644
--- a/libpod/events/nullout.go
+++ b/libpod/events/nullout.go
@@ -17,7 +17,6 @@ func (e EventToNull) Read(options ReadOptions) error {
// NewNullEventer returns a new null eventer. You should only do this for
// the purposes on internal libpod testing.
func NewNullEventer() Eventer {
- var e Eventer
- e = EventToNull{}
+ e := EventToNull{}
return e
}
diff --git a/libpod/healthcheck_linux.go b/libpod/healthcheck_linux.go
index 53fb271d1..dca72430d 100644
--- a/libpod/healthcheck_linux.go
+++ b/libpod/healthcheck_linux.go
@@ -62,7 +62,7 @@ func (c *Container) createTimer() error {
if rootless.IsRootless() {
cmd = append(cmd, "--user")
}
- cmd = append(cmd, "--unit", fmt.Sprintf("%s", c.ID()), fmt.Sprintf("--on-unit-inactive=%s", c.HealthCheckConfig().Interval.String()), "--timer-property=AccuracySec=1s", podman, "healthcheck", "run", c.ID())
+ cmd = append(cmd, "--unit", c.ID(), fmt.Sprintf("--on-unit-inactive=%s", c.HealthCheckConfig().Interval.String()), "--timer-property=AccuracySec=1s", podman, "healthcheck", "run", c.ID())
conn, err := getConnection()
if err != nil {
diff --git a/libpod/image/image.go b/libpod/image/image.go
index 76e46f74f..f9879b85b 100644
--- a/libpod/image/image.go
+++ b/libpod/image/image.go
@@ -323,7 +323,7 @@ func (i *Image) Names() []string {
// RepoDigests returns a string array of repodigests associated with the image
func (i *Image) RepoDigests() ([]string, error) {
var repoDigests []string
- digest := i.Digest()
+ imageDigest := i.Digest()
for _, name := range i.Names() {
named, err := reference.ParseNormalizedNamed(name)
@@ -331,7 +331,7 @@ func (i *Image) RepoDigests() ([]string, error) {
return nil, err
}
- canonical, err := reference.WithDigest(reference.TrimNamed(named), digest)
+ canonical, err := reference.WithDigest(reference.TrimNamed(named), imageDigest)
if err != nil {
return nil, err
}
@@ -461,12 +461,16 @@ func getImageDigest(ctx context.Context, src types.ImageReference, sc *types.Sys
if err != nil {
return "", err
}
- defer newImg.Close()
- digest := newImg.ConfigInfo().Digest
- if err = digest.Validate(); err != nil {
+ defer func() {
+ if err := newImg.Close(); err != nil {
+ logrus.Errorf("failed to close image: %q", err)
+ }
+ }()
+ imageDigest := newImg.ConfigInfo().Digest
+ if err = imageDigest.Validate(); err != nil {
return "", errors.Wrapf(err, "error getting config info")
}
- return "@" + digest.Hex(), nil
+ return "@" + imageDigest.Hex(), nil
}
// normalizedTag returns the canonical version of tag for use in Image.Names()
@@ -495,7 +499,9 @@ func normalizedTag(tag string) (reference.Named, error) {
// TagImage adds a tag to the given image
func (i *Image) TagImage(tag string) error {
- i.reloadImage()
+ if err := i.reloadImage(); err != nil {
+ return err
+ }
ref, err := normalizedTag(tag)
if err != nil {
return err
@@ -508,14 +514,18 @@ func (i *Image) TagImage(tag string) error {
if err := i.imageruntime.store.SetNames(i.ID(), tags); err != nil {
return err
}
- i.reloadImage()
- defer i.newImageEvent(events.Tag)
+ if err := i.reloadImage(); err != nil {
+ return err
+ }
+ i.newImageEvent(events.Tag)
return nil
}
// UntagImage removes a tag from the given image
func (i *Image) UntagImage(tag string) error {
- i.reloadImage()
+ if err := i.reloadImage(); err != nil {
+ return err
+ }
var newTags []string
tags := i.Names()
if !util.StringInSlice(tag, tags) {
@@ -529,8 +539,10 @@ func (i *Image) UntagImage(tag string) error {
if err := i.imageruntime.store.SetNames(i.ID(), newTags); err != nil {
return err
}
- i.reloadImage()
- defer i.newImageEvent(events.Untag)
+ if err := i.reloadImage(); err != nil {
+ return err
+ }
+ i.newImageEvent(events.Untag)
return nil
}
@@ -566,7 +578,11 @@ func (i *Image) PushImageToReference(ctx context.Context, dest types.ImageRefere
if err != nil {
return err
}
- defer policyContext.Destroy()
+ defer func() {
+ if err := policyContext.Destroy(); err != nil {
+ logrus.Errorf("failed to destroy policy context: %q", err)
+ }
+ }()
// Look up the source image, expecting it to be in local storage
src, err := is.Transport.ParseStoreReference(i.imageruntime.store, i.ID())
@@ -580,7 +596,7 @@ func (i *Image) PushImageToReference(ctx context.Context, dest types.ImageRefere
if err != nil {
return errors.Wrapf(err, "Error copying image to the remote destination")
}
- defer i.newImageEvent(events.Push)
+ i.newImageEvent(events.Push)
return nil
}
@@ -825,7 +841,7 @@ func (i *Image) GetLabel(ctx context.Context, label string) (string, error) {
// Annotations returns the annotations of an image
func (i *Image) Annotations(ctx context.Context) (map[string]string, error) {
- manifest, manifestType, err := i.Manifest(ctx)
+ imageManifest, manifestType, err := i.Manifest(ctx)
if err != nil {
return nil, err
}
@@ -833,7 +849,7 @@ func (i *Image) Annotations(ctx context.Context) (map[string]string, error) {
switch manifestType {
case ociv1.MediaTypeImageManifest:
var m ociv1.Manifest
- if err := json.Unmarshal(manifest, &m); err == nil {
+ if err := json.Unmarshal(imageManifest, &m); err == nil {
for k, v := range m.Annotations {
annotations[k] = v
}
@@ -976,11 +992,15 @@ func (ir *Runtime) Import(ctx context.Context, path, reference string, writer io
if err != nil {
return nil, err
}
- defer policyContext.Destroy()
+ defer func() {
+ if err := policyContext.Destroy(); err != nil {
+ logrus.Errorf("failed to destroy policy context: %q", err)
+ }
+ }()
copyOptions := getCopyOptions(sc, writer, nil, nil, signingOptions, "", nil)
dest, err := is.Transport.ParseStoreReference(ir.store, reference)
if err != nil {
- errors.Wrapf(err, "error getting image reference for %q", reference)
+ return nil, errors.Wrapf(err, "error getting image reference for %q", reference)
}
_, err = cp.Image(ctx, policyContext, dest, src, copyOptions)
if err != nil {
@@ -988,7 +1008,7 @@ func (ir *Runtime) Import(ctx context.Context, path, reference string, writer io
}
newImage, err := ir.NewFromLocal(reference)
if err == nil {
- defer newImage.newImageEvent(events.Import)
+ newImage.newImageEvent(events.Import)
}
return newImage, err
}
@@ -1331,7 +1351,7 @@ func (i *Image) Save(ctx context.Context, source, format, output string, moreTag
if err := i.PushImageToReference(ctx, destRef, manifestType, "", "", writer, compress, SigningOptions{}, &DockerRegistryOptions{}, additionaltags); err != nil {
return errors.Wrapf(err, "unable to save %q", source)
}
- defer i.newImageEvent(events.Save)
+ i.newImageEvent(events.Save)
return nil
}
diff --git a/libpod/image/pull.go b/libpod/image/pull.go
index e5765febc..581beb538 100644
--- a/libpod/image/pull.go
+++ b/libpod/image/pull.go
@@ -249,7 +249,11 @@ func (ir *Runtime) doPullImage(ctx context.Context, sc *types.SystemContext, goa
if err != nil {
return nil, err
}
- defer policyContext.Destroy()
+ defer func() {
+ if err := policyContext.Destroy(); err != nil {
+ logrus.Errorf("failed to destroy policy context: %q", err)
+ }
+ }()
systemRegistriesConfPath := registries.SystemRegistriesConfPath()
@@ -263,7 +267,9 @@ func (ir *Runtime) doPullImage(ctx context.Context, sc *types.SystemContext, goa
copyOptions.SourceCtx.SystemRegistriesConfPath = systemRegistriesConfPath // FIXME: Set this more globally. Probably no reason not to have it in every types.SystemContext, and to compute the value just once in one place.
// Print the following statement only when pulling from a docker or atomic registry
if writer != nil && (imageInfo.srcRef.Transport().Name() == DockerTransport || imageInfo.srcRef.Transport().Name() == AtomicTransport) {
- io.WriteString(writer, fmt.Sprintf("Trying to pull %s...", imageInfo.image))
+ if _, err := io.WriteString(writer, fmt.Sprintf("Trying to pull %s...", imageInfo.image)); err != nil {
+ return nil, err
+ }
}
// If the label is not nil, check if the label exists and if not, return err
if label != nil {
@@ -277,7 +283,7 @@ func (ir *Runtime) doPullImage(ctx context.Context, sc *types.SystemContext, goa
pullErrors = multierror.Append(pullErrors, err)
logrus.Errorf("Error pulling image ref %s: %v", imageInfo.srcRef.StringWithinTransport(), err)
if writer != nil {
- io.WriteString(writer, "Failed\n")
+ _, _ = io.WriteString(writer, "Failed\n")
}
} else {
if !goal.pullAllPairs {
@@ -302,7 +308,7 @@ func (ir *Runtime) doPullImage(ctx context.Context, sc *types.SystemContext, goa
return nil, pullErrors
}
if len(images) > 0 {
- defer ir.newImageEvent(events.Pull, images[0])
+ ir.newImageEvent(events.Pull, images[0])
}
return images, nil
}
diff --git a/libpod/image/search.go b/libpod/image/search.go
index 03a67636b..9984e5234 100644
--- a/libpod/image/search.go
+++ b/libpod/image/search.go
@@ -99,7 +99,9 @@ func SearchImages(term string, options SearchOptions) ([]SearchResult, error) {
ctx := context.Background()
for i := range registries {
- sem.Acquire(ctx, 1)
+ if err := sem.Acquire(ctx, 1); err != nil {
+ return nil, err
+ }
go searchImageInRegistryHelper(i, registries[i])
}
diff --git a/libpod/kube.go b/libpod/kube.go
index 409937010..b114cda72 100644
--- a/libpod/kube.go
+++ b/libpod/kube.go
@@ -1,7 +1,6 @@
package libpod
import (
- "fmt"
"math/rand"
"os"
"strconv"
@@ -179,7 +178,7 @@ func addContainersAndVolumesToPodObject(containers []v1.Container, volumes []v1.
labels["app"] = removeUnderscores(podName)
om := v12.ObjectMeta{
// The name of the pod is container_name-libpod
- Name: fmt.Sprintf("%s", removeUnderscores(podName)),
+ Name: removeUnderscores(podName),
Labels: labels,
// CreationTimestamp seems to be required, so adding it; in doing so, the timestamp
// will reflect time this is run (not container create time) because the conversion
diff --git a/libpod/logs/log.go b/libpod/logs/log.go
index 488291cfe..0b1703567 100644
--- a/libpod/logs/log.go
+++ b/libpod/logs/log.go
@@ -156,8 +156,5 @@ func NewLogLine(line string) (*LogLine, error) {
// Partial returns a bool if the log line is a partial log type
func (l *LogLine) Partial() bool {
- if l.ParseLogType == PartialLogType {
- return true
- }
- return false
+ return l.ParseLogType == PartialLogType
}
diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go
index d978bceed..bef3f7739 100644
--- a/libpod/networking_linux.go
+++ b/libpod/networking_linux.go
@@ -16,6 +16,7 @@ import (
cnitypes "github.com/containernetworking/cni/pkg/types/current"
"github.com/containernetworking/plugins/pkg/ns"
+ "github.com/containers/libpod/pkg/errorhandling"
"github.com/containers/libpod/pkg/firewall"
"github.com/containers/libpod/pkg/netns"
"github.com/containers/libpod/pkg/rootless"
@@ -150,8 +151,8 @@ func checkSlirpFlags(path string) (bool, bool, error) {
// Configure the network namespace for a rootless container
func (r *Runtime) setupRootlessNetNS(ctr *Container) (err error) {
- defer ctr.rootlessSlirpSyncR.Close()
- defer ctr.rootlessSlirpSyncW.Close()
+ defer errorhandling.CloseQuiet(ctr.rootlessSlirpSyncR)
+ defer errorhandling.CloseQuiet(ctr.rootlessSlirpSyncW)
path := r.config.NetworkCmdPath
@@ -168,8 +169,8 @@ func (r *Runtime) setupRootlessNetNS(ctr *Container) (err error) {
if err != nil {
return errors.Wrapf(err, "failed to open pipe")
}
- defer syncR.Close()
- defer syncW.Close()
+ defer errorhandling.CloseQuiet(syncR)
+ defer errorhandling.CloseQuiet(syncW)
havePortMapping := len(ctr.Config().PortMappings) > 0
apiSocket := filepath.Join(ctr.ociRuntime.tmpDir, fmt.Sprintf("%s.net", ctr.config.ID))
@@ -200,7 +201,11 @@ func (r *Runtime) setupRootlessNetNS(ctr *Container) (err error) {
if err := cmd.Start(); err != nil {
return errors.Wrapf(err, "failed to start slirp4netns process")
}
- defer cmd.Process.Release()
+ defer func() {
+ if err := cmd.Process.Release(); err != nil {
+ logrus.Errorf("unable to release comman process: %q", err)
+ }
+ }()
b := make([]byte, 16)
for {
@@ -267,7 +272,11 @@ func (r *Runtime) setupRootlessNetNS(ctr *Container) (err error) {
if err != nil {
return errors.Wrapf(err, "cannot open connection to %s", apiSocket)
}
- defer conn.Close()
+ defer func() {
+ if err := conn.Close(); err != nil {
+ logrus.Errorf("unable to close connection: %q", err)
+ }
+ }()
hostIP := i.HostIP
if hostIP == "" {
hostIP = "0.0.0.0"
diff --git a/libpod/oci.go b/libpod/oci.go
index 6aad79cdf..566cbd821 100644
--- a/libpod/oci.go
+++ b/libpod/oci.go
@@ -273,7 +273,9 @@ func (r *OCIRuntime) updateContainerStatus(ctr *Container, useRuntime bool) erro
}
return errors.Wrapf(err, "error getting container %s state. stderr/out: %s", ctr.ID(), out)
}
- defer cmd.Wait()
+ defer func() {
+ _ = cmd.Wait()
+ }()
if err := errPipe.Close(); err != nil {
return err
diff --git a/libpod/oci_linux.go b/libpod/oci_linux.go
index 802f4311b..044373ec5 100644
--- a/libpod/oci_linux.go
+++ b/libpod/oci_linux.go
@@ -17,6 +17,7 @@ import (
"github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/pkg/cgroups"
+ "github.com/containers/libpod/pkg/errorhandling"
"github.com/containers/libpod/pkg/rootless"
"github.com/containers/libpod/pkg/util"
"github.com/containers/libpod/utils"
@@ -117,13 +118,17 @@ func (r *OCIRuntime) createContainer(ctr *Container, cgroupParent string, restor
if err != nil {
return err
}
- defer fd.Close()
+ defer errorhandling.CloseQuiet(fd)
// create a new mountns on the current thread
if err = unix.Unshare(unix.CLONE_NEWNS); err != nil {
return err
}
- defer unix.Setns(int(fd.Fd()), unix.CLONE_NEWNS)
+ defer func() {
+ if err := unix.Setns(int(fd.Fd()), unix.CLONE_NEWNS); err != nil {
+ logrus.Errorf("unable to clone new namespace: %q", err)
+ }
+ }()
// don't spread our mounts around. We are setting only /sys to be slave
// so that the cleanup process is still able to umount the storage and the
@@ -207,8 +212,8 @@ func (r *OCIRuntime) createOCIContainer(ctr *Container, cgroupParent string, res
return errors.Wrapf(err, "error creating socket pair for start pipe")
}
- defer parentPipe.Close()
- defer parentStartPipe.Close()
+ defer errorhandling.CloseQuiet(parentPipe)
+ defer errorhandling.CloseQuiet(parentStartPipe)
ociLog := filepath.Join(ctr.state.RunDir, "oci-log")
logLevel := logrus.GetLevel()
@@ -364,20 +369,28 @@ func (r *OCIRuntime) createOCIContainer(ctr *Container, cgroupParent string, res
err = cmd.Start()
// Ignore error returned from SetProcessLabel("") call,
// can't recover.
- label.SetProcessLabel("")
+ if err := label.SetProcessLabel(""); err != nil {
+ _ = err
+ }
runtime.UnlockOSThread()
} else {
err = cmd.Start()
}
if err != nil {
- childPipe.Close()
+ errorhandling.CloseQuiet(childPipe)
return err
}
- defer cmd.Wait()
+ defer func() {
+ _ = cmd.Wait()
+ }()
// We don't need childPipe on the parent side
- childPipe.Close()
- childStartPipe.Close()
+ if err := childPipe.Close(); err != nil {
+ return err
+ }
+ if err := childStartPipe.Close(); err != nil {
+ return err
+ }
// Move conmon to specified cgroup
if err := r.moveConmonToCgroup(ctr, cgroupParent, cmd); err != nil {
diff --git a/libpod/options.go b/libpod/options.go
index 4f8bb42df..8d41764a9 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -1152,10 +1152,7 @@ func WithUserVolumes(volumes []string) CtrCreateOption {
}
ctr.config.UserVolumes = make([]string, 0, len(volumes))
- for _, vol := range volumes {
- ctr.config.UserVolumes = append(ctr.config.UserVolumes, vol)
- }
-
+ ctr.config.UserVolumes = append(ctr.config.UserVolumes, volumes...)
return nil
}
}
@@ -1172,10 +1169,7 @@ func WithEntrypoint(entrypoint []string) CtrCreateOption {
}
ctr.config.Entrypoint = make([]string, 0, len(entrypoint))
- for _, str := range entrypoint {
- ctr.config.Entrypoint = append(ctr.config.Entrypoint, str)
- }
-
+ ctr.config.Entrypoint = append(ctr.config.Entrypoint, entrypoint...)
return nil
}
}
@@ -1192,10 +1186,7 @@ func WithCommand(command []string) CtrCreateOption {
}
ctr.config.Command = make([]string, 0, len(command))
- for _, str := range command {
- ctr.config.Command = append(ctr.config.Command, str)
- }
-
+ ctr.config.Command = append(ctr.config.Command, command...)
return nil
}
}
diff --git a/libpod/runtime.go b/libpod/runtime.go
index 53c9a1209..9196547a2 100644
--- a/libpod/runtime.go
+++ b/libpod/runtime.go
@@ -1162,6 +1162,13 @@ func (r *Runtime) GetConfig() (*RuntimeConfig, error) {
return config, nil
}
+// DeferredShutdown shuts down the runtime without exposing any
+// errors. This is only meant to be used when the runtime is being
+// shutdown within a defer statement; else use Shutdown
+func (r *Runtime) DeferredShutdown(force bool) {
+ _ = r.Shutdown(force)
+}
+
// Shutdown shuts down the runtime and associated containers and storage
// If force is true, containers and mounted storage will be shut down before
// cleaning up; if force is false, an error will be returned if there are