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-rw-r--r--libpod/container_internal_linux.go11
-rw-r--r--libpod/image/image.go20
-rw-r--r--libpod/image/prune.go79
-rw-r--r--libpod/networking_linux.go34
-rw-r--r--libpod/options.go8
5 files changed, 134 insertions, 18 deletions
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index 26d6771b0..f051f40e9 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -676,6 +676,10 @@ func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointO
return errors.Wrapf(define.ErrCtrStateInvalid, "%q is not running, cannot checkpoint", c.state.State)
}
+ if c.AutoRemove() && options.TargetFile == "" {
+ return errors.Errorf("Cannot checkpoint containers that have been started with '--rm' unless '--export' is used")
+ }
+
if err := c.checkpointRestoreLabelLog("dump.log"); err != nil {
return err
}
@@ -884,7 +888,12 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti
// We want to have the same network namespace as before.
if c.config.CreateNetNS {
- if err := g.AddOrReplaceLinuxNamespace(string(spec.NetworkNamespace), c.state.NetNS.Path()); err != nil {
+ netNSPath := ""
+ if !c.config.PostConfigureNetNS {
+ netNSPath = c.state.NetNS.Path()
+ }
+
+ if err := g.AddOrReplaceLinuxNamespace(string(spec.NetworkNamespace), netNSPath); err != nil {
return err
}
}
diff --git a/libpod/image/image.go b/libpod/image/image.go
index 75ac85311..129ccd376 100644
--- a/libpod/image/image.go
+++ b/libpod/image/image.go
@@ -74,6 +74,11 @@ type InfoImage struct {
Layers []LayerInfo
}
+// ImageFilter is a function to determine whether a image is included
+// in command output. Images to be outputted are tested using the function.
+// A true return will include the image, a false return will exclude it.
+type ImageFilter func(*Image) bool //nolint
+
// ErrRepoTagNotFound is the error returned when the image id given doesn't match a rep tag in store
var ErrRepoTagNotFound = stderrors.New("unable to match user input to any specific repotag")
@@ -330,6 +335,21 @@ func (i *Image) Names() []string {
return i.image.Names
}
+// NamesHistory returns a string array of names previously associated with the
+// image, which may be a mixture of tags and digests
+func (i *Image) NamesHistory() []string {
+ if len(i.image.Names) > 0 && len(i.image.NamesHistory) > 0 &&
+ // We compare the latest (time-referenced) tags for equality and skip
+ // it in the history if they match to not display them twice. We have
+ // to compare like this, because `i.image.Names` (latest last) gets
+ // appended on retag, whereas `i.image.NamesHistory` gets prepended
+ // (latest first)
+ i.image.Names[len(i.image.Names)-1] == i.image.NamesHistory[0] {
+ return i.image.NamesHistory[1:]
+ }
+ return i.image.NamesHistory
+}
+
// RepoTags returns a string array of repotags associated with the image
func (i *Image) RepoTags() ([]string, error) {
var repoTags []string
diff --git a/libpod/image/prune.go b/libpod/image/prune.go
index 006cbdf22..f5be8ed50 100644
--- a/libpod/image/prune.go
+++ b/libpod/image/prune.go
@@ -2,23 +2,78 @@ package image
import (
"context"
+ "strings"
+ "time"
"github.com/containers/libpod/libpod/events"
+ "github.com/containers/libpod/pkg/timetype"
"github.com/containers/storage"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
+func generatePruneFilterFuncs(filter, filterValue string) (ImageFilter, error) {
+ switch filter {
+ case "label":
+ var filterArray = strings.SplitN(filterValue, "=", 2)
+ var filterKey = filterArray[0]
+ if len(filterArray) > 1 {
+ filterValue = filterArray[1]
+ } else {
+ filterValue = ""
+ }
+ return func(i *Image) bool {
+ labels, err := i.Labels(context.Background())
+ if err != nil {
+ return false
+ }
+ for labelKey, labelValue := range labels {
+ if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) {
+ return true
+ }
+ }
+ return false
+ }, nil
+
+ case "until":
+ ts, err := timetype.GetTimestamp(filterValue, time.Now())
+ if err != nil {
+ return nil, err
+ }
+ seconds, nanoseconds, err := timetype.ParseTimestamps(ts, 0)
+ if err != nil {
+ return nil, err
+ }
+ until := time.Unix(seconds, nanoseconds)
+ return func(i *Image) bool {
+ if !until.IsZero() && i.Created().After((until)) {
+ return true
+ }
+ return false
+ }, nil
+
+ }
+ return nil, nil
+}
+
// GetPruneImages returns a slice of images that have no names/unused
-func (ir *Runtime) GetPruneImages(all bool) ([]*Image, error) {
+func (ir *Runtime) GetPruneImages(all bool, filterFuncs []ImageFilter) ([]*Image, error) {
var (
pruneImages []*Image
)
+
allImages, err := ir.GetRWImages()
if err != nil {
return nil, err
}
for _, i := range allImages {
+ // filter the images based on this.
+ for _, filterFunc := range filterFuncs {
+ if !filterFunc(i) {
+ continue
+ }
+ }
+
if len(i.Names()) == 0 {
pruneImages = append(pruneImages, i)
continue
@@ -38,9 +93,25 @@ func (ir *Runtime) GetPruneImages(all bool) ([]*Image, error) {
// PruneImages prunes dangling and optionally all unused images from the local
// image store
-func (ir *Runtime) PruneImages(ctx context.Context, all bool) ([]string, error) {
- var prunedCids []string
- pruneImages, err := ir.GetPruneImages(all)
+func (ir *Runtime) PruneImages(ctx context.Context, all bool, filter []string) ([]string, error) {
+ var (
+ prunedCids []string
+ filterFuncs []ImageFilter
+ )
+ for _, f := range filter {
+ filterSplit := strings.SplitN(f, "=", 2)
+ if len(filterSplit) < 2 {
+ return nil, errors.Errorf("filter input must be in the form of filter=value: %s is invalid", f)
+ }
+
+ generatedFunc, err := generatePruneFilterFuncs(filterSplit[0], filterSplit[1])
+ if err != nil {
+ return nil, errors.Wrapf(err, "invalid filter")
+ }
+ filterFuncs = append(filterFuncs, generatedFunc)
+ }
+
+ pruneImages, err := ir.GetPruneImages(all, filterFuncs)
if err != nil {
return nil, errors.Wrap(err, "unable to get images to prune")
}
diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go
index cba7b636a..a68338dbb 100644
--- a/libpod/networking_linux.go
+++ b/libpod/networking_linux.go
@@ -29,19 +29,40 @@ import (
// Get an OCICNI network config
func (r *Runtime) getPodNetwork(id, name, nsPath string, networks []string, ports []ocicni.PortMapping, staticIP net.IP, staticMAC net.HardwareAddr) ocicni.PodNetwork {
- defaultNetwork := r.netPlugin.GetDefaultNetworkName()
+ var networkKey string
+ if len(networks) > 0 {
+ // This is inconsistent for >1 network, but it's probably the
+ // best we can do.
+ networkKey = networks[0]
+ } else {
+ networkKey = r.netPlugin.GetDefaultNetworkName()
+ }
network := ocicni.PodNetwork{
Name: name,
Namespace: name, // TODO is there something else we should put here? We don't know about Kube namespaces
ID: id,
NetNS: nsPath,
RuntimeConfig: map[string]ocicni.RuntimeConfig{
- defaultNetwork: {PortMappings: ports},
+ networkKey: {PortMappings: ports},
},
}
+ // If we have extra networks, add them
+ if len(networks) > 0 {
+ network.Networks = make([]ocicni.NetAttachment, len(networks))
+ for i, netName := range networks {
+ network.Networks[i].Name = netName
+ }
+ }
+
if staticIP != nil || staticMAC != nil {
- network.Networks = []ocicni.NetAttachment{{Name: defaultNetwork}}
+ // For static IP or MAC, we need to populate networks even if
+ // it's just the default.
+ if len(networks) == 0 {
+ // If len(networks) == 0 this is guaranteed to be the
+ // default network.
+ network.Networks = []ocicni.NetAttachment{{Name: networkKey}}
+ }
var rt ocicni.RuntimeConfig = ocicni.RuntimeConfig{PortMappings: ports}
if staticIP != nil {
rt.IP = staticIP.String()
@@ -50,12 +71,7 @@ func (r *Runtime) getPodNetwork(id, name, nsPath string, networks []string, port
rt.MAC = staticMAC.String()
}
network.RuntimeConfig = map[string]ocicni.RuntimeConfig{
- defaultNetwork: rt,
- }
- } else {
- network.Networks = make([]ocicni.NetAttachment, len(networks))
- for i, netName := range networks {
- network.Networks[i].Name = netName
+ networkKey: rt,
}
}
diff --git a/libpod/options.go b/libpod/options.go
index bfbbb9e2d..f7f14eb26 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -1041,8 +1041,8 @@ func WithStaticIP(ip net.IP) CtrCreateOption {
return errors.Wrapf(define.ErrInvalidArg, "cannot set a static IP if the container is not creating a network namespace")
}
- if len(ctr.config.Networks) != 0 {
- return errors.Wrapf(define.ErrInvalidArg, "cannot set a static IP if joining additional CNI networks")
+ if len(ctr.config.Networks) > 1 {
+ return errors.Wrapf(define.ErrInvalidArg, "cannot set a static IP if joining more than 1 CNI network")
}
ctr.config.StaticIP = ip
@@ -1066,8 +1066,8 @@ func WithStaticMAC(mac net.HardwareAddr) CtrCreateOption {
return errors.Wrapf(define.ErrInvalidArg, "cannot set a static MAC if the container is not creating a network namespace")
}
- if len(ctr.config.Networks) != 0 {
- return errors.Wrapf(define.ErrInvalidArg, "cannot set a static MAC if joining additional CNI networks")
+ if len(ctr.config.Networks) > 1 {
+ return errors.Wrapf(define.ErrInvalidArg, "cannot set a static MAC if joining more than 1 CNI network")
}
ctr.config.StaticMAC = mac