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-rw-r--r--libpod/container_api.go2
-rw-r--r--libpod/container_internal_linux.go41
-rw-r--r--libpod/events.go6
-rw-r--r--libpod/events/config.go12
-rw-r--r--libpod/events/events.go9
-rw-r--r--libpod/events/filters.go20
-rw-r--r--libpod/events/journal_linux.go71
-rw-r--r--libpod/image/filters.go4
-rw-r--r--libpod/image/image.go10
-rw-r--r--libpod/image/search.go2
-rw-r--r--libpod/networking_linux.go20
11 files changed, 154 insertions, 43 deletions
diff --git a/libpod/container_api.go b/libpod/container_api.go
index aef37dd59..a9808a30e 100644
--- a/libpod/container_api.go
+++ b/libpod/container_api.go
@@ -249,7 +249,7 @@ func (c *Container) Attach(streams *define.AttachStreams, keys string, resize <-
// attaching, and I really do not want to do that right now.
// Send a SIGWINCH after attach succeeds so that most programs will
// redraw the screen for the new attach session.
- attachRdy := make(chan bool)
+ attachRdy := make(chan bool, 1)
if c.config.Spec.Process != nil && c.config.Spec.Process.Terminal {
go func() {
<-attachRdy
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index eff390e46..a1b4334fb 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -1412,7 +1412,8 @@ func (c *Container) generateResolvConf() (string, error) {
// Determine the endpoint for resolv.conf in case it is a symlink
resolvPath, err := filepath.EvalSymlinks(resolvConf)
- if err != nil {
+ // resolv.conf doesn't have to exists
+ if err != nil && !os.IsNotExist(err) {
return "", err
}
@@ -1422,7 +1423,8 @@ func (c *Container) generateResolvConf() (string, error) {
}
contents, err := ioutil.ReadFile(resolvPath)
- if err != nil {
+ // resolv.conf doesn't have to exists
+ if err != nil && !os.IsNotExist(err) {
return "", errors.Wrapf(err, "unable to read %s", resolvPath)
}
@@ -1541,11 +1543,38 @@ func (c *Container) getHosts() string {
}
}
- if c.config.NetMode.IsSlirp4netns() {
- // When using slirp4netns, the interface gets a static IP
- hosts += fmt.Sprintf("# used by slirp4netns\n%s\t%s %s\n", "10.0.2.100", c.Hostname(), c.Config().Name)
- }
hosts += c.cniHosts()
+
+ // If not making a network namespace, add our own hostname.
+ if c.Hostname() != "" {
+ if c.config.NetMode.IsSlirp4netns() {
+ // When using slirp4netns, the interface gets a static IP
+ hosts += fmt.Sprintf("# used by slirp4netns\n%s\t%s %s\n", "10.0.2.100", c.Hostname(), c.config.Name)
+ } else {
+ hasNetNS := false
+ netNone := false
+ for _, ns := range c.config.Spec.Linux.Namespaces {
+ if ns.Type == spec.NetworkNamespace {
+ hasNetNS = true
+ if ns.Path == "" && !c.config.CreateNetNS {
+ netNone = true
+ }
+ break
+ }
+ }
+ if !hasNetNS {
+ // 127.0.1.1 and host's hostname to match Docker
+ osHostname, err := os.Hostname()
+ if err != nil {
+ osHostname = c.Hostname()
+ }
+ hosts += fmt.Sprintf("127.0.1.1 %s\n", osHostname)
+ }
+ if netNone {
+ hosts += fmt.Sprintf("127.0.1.1 %s\n", c.Hostname())
+ }
+ }
+ }
return hosts
}
diff --git a/libpod/events.go b/libpod/events.go
index b519fe324..95317eb01 100644
--- a/libpod/events.go
+++ b/libpod/events.go
@@ -26,6 +26,12 @@ func (c *Container) newContainerEvent(status events.Status) {
e.Name = c.Name()
e.Image = c.config.RootfsImageName
e.Type = events.Container
+
+ e.Details = events.Details{
+ ID: e.ID,
+ Attributes: c.Labels(),
+ }
+
if err := c.runtime.eventer.Write(e); err != nil {
logrus.Errorf("unable to write pod event: %q", err)
}
diff --git a/libpod/events/config.go b/libpod/events/config.go
index bb35c03c0..2ec3111fe 100644
--- a/libpod/events/config.go
+++ b/libpod/events/config.go
@@ -36,6 +36,18 @@ type Event struct {
Time time.Time
// Type of event that occurred
Type Type
+
+ Details
+}
+
+// Details describes specifics about certain events, specifically around
+// container events
+type Details struct {
+ // ID is the event ID
+ ID string
+ // Attributes can be used to describe specifics about the event
+ // in the case of a container event, labels for example
+ Attributes map[string]string
}
// EventerOptions describe options that need to be passed to create
diff --git a/libpod/events/events.go b/libpod/events/events.go
index 722c9595e..42939d64c 100644
--- a/libpod/events/events.go
+++ b/libpod/events/events.go
@@ -69,7 +69,14 @@ func (e *Event) ToHumanReadable() string {
var humanFormat string
switch e.Type {
case Container, Pod:
- humanFormat = fmt.Sprintf("%s %s %s %s (image=%s, name=%s)", e.Time, e.Type, e.Status, e.ID, e.Image, e.Name)
+ humanFormat = fmt.Sprintf("%s %s %s %s (image=%s, name=%s", e.Time, e.Type, e.Status, e.ID, e.Image, e.Name)
+ // check if the container has labels and add it to the output
+ if len(e.Attributes) > 0 {
+ for k, v := range e.Attributes {
+ humanFormat += fmt.Sprintf(", %s=%s", k, v)
+ }
+ }
+ humanFormat += ")"
case Image:
humanFormat = fmt.Sprintf("%s %s %s %s %s", e.Time, e.Type, e.Status, e.ID, e.Name)
case System:
diff --git a/libpod/events/filters.go b/libpod/events/filters.go
index c50474007..62891d32c 100644
--- a/libpod/events/filters.go
+++ b/libpod/events/filters.go
@@ -55,6 +55,24 @@ func generateEventFilter(filter, filterValue string) (func(e *Event) bool, error
return func(e *Event) bool {
return string(e.Type) == filterValue
}, nil
+
+ case "LABEL":
+ return func(e *Event) bool {
+ var found bool
+ // iterate labels and see if we match a key and value
+ for eventKey, eventValue := range e.Attributes {
+ filterValueSplit := strings.SplitN(filterValue, "=", 2)
+ // if the filter isn't right, just return false
+ if len(filterValueSplit) < 2 {
+ return false
+ }
+ if eventKey == filterValueSplit[0] && eventValue == filterValueSplit[1] {
+ found = true
+ break
+ }
+ }
+ return found
+ }, nil
}
return nil, errors.Errorf("%s is an invalid filter", filter)
}
@@ -73,7 +91,7 @@ func generateEventUntilOption(timeUntil time.Time) func(e *Event) bool {
}
func parseFilter(filter string) (string, string, error) {
- filterSplit := strings.Split(filter, "=")
+ filterSplit := strings.SplitN(filter, "=", 2)
if len(filterSplit) != 2 {
return "", "", errors.Errorf("%s is an invalid filter", filter)
}
diff --git a/libpod/events/journal_linux.go b/libpod/events/journal_linux.go
index dc55dbc77..5e3be8009 100644
--- a/libpod/events/journal_linux.go
+++ b/libpod/events/journal_linux.go
@@ -4,6 +4,7 @@ package events
import (
"context"
+ "encoding/json"
"strconv"
"time"
@@ -46,6 +47,15 @@ func (e EventJournalD) Write(ee Event) error {
if ee.ContainerExitCode != 0 {
m["PODMAN_EXIT_CODE"] = strconv.Itoa(ee.ContainerExitCode)
}
+ // If we have container labels, we need to convert them to a string so they
+ // can be recorded with the event
+ if len(ee.Details.Attributes) > 0 {
+ b, err := json.Marshal(ee.Details.Attributes)
+ if err != nil {
+ return err
+ }
+ m["PODMAN_LABELS"] = string(b)
+ }
case Volume:
m["PODMAN_NAME"] = ee.Name
}
@@ -59,35 +69,39 @@ func (e EventJournalD) Read(ctx context.Context, options ReadOptions) error {
if err != nil {
return errors.Wrapf(err, "failed to generate event options")
}
- j, err := sdjournal.NewJournal() //nolint
+ j, err := sdjournal.NewJournal()
if err != nil {
return err
}
- // TODO AddMatch and Seek seem to conflict
- // Issue filed upstream -> https://github.com/coreos/go-systemd/issues/315
- // Leaving commented code in case upstream fixes things
- //podmanJournal := sdjournal.Match{Field: "SYSLOG_IDENTIFIER", Value: "podman"} //nolint
- //if err := j.AddMatch(podmanJournal.String()); err != nil {
- // return errors.Wrap(err, "failed to add filter for event log")
- //}
+
+ // match only podman journal entries
+ podmanJournal := sdjournal.Match{Field: "SYSLOG_IDENTIFIER", Value: "podman"}
+ if err := j.AddMatch(podmanJournal.String()); err != nil {
+ return errors.Wrap(err, "failed to add journal filter for event log")
+ }
+
if len(options.Since) == 0 && len(options.Until) == 0 && options.Stream {
if err := j.SeekTail(); err != nil {
return errors.Wrap(err, "failed to seek end of journal")
}
- } else {
- podmanJournal := sdjournal.Match{Field: "SYSLOG_IDENTIFIER", Value: "podman"} //nolint
- if err := j.AddMatch(podmanJournal.String()); err != nil {
- return errors.Wrap(err, "failed to add filter for event log")
+ // After SeekTail calling Next moves to a random entry.
+ // To prevent this we have to call Previous first.
+ // see: https://bugs.freedesktop.org/show_bug.cgi?id=64614
+ if _, err := j.Previous(); err != nil {
+ return errors.Wrap(err, "failed to move journal cursor to previous entry")
}
}
+
// the api requires a next|prev before getting a cursor
if _, err := j.Next(); err != nil {
- return err
+ return errors.Wrap(err, "failed to move journal cursor to next entry")
}
+
prevCursor, err := j.GetCursor()
if err != nil {
- return err
+ return errors.Wrap(err, "failed to get journal cursor")
}
+
for {
select {
case <-ctx.Done():
@@ -96,30 +110,26 @@ func (e EventJournalD) Read(ctx context.Context, options ReadOptions) error {
default:
// fallthrough
}
+
if _, err := j.Next(); err != nil {
- return err
+ return errors.Wrap(err, "failed to move journal cursor to next entry")
}
newCursor, err := j.GetCursor()
if err != nil {
- return err
+ return errors.Wrap(err, "failed to get journal cursor")
}
if prevCursor == newCursor {
if len(options.Until) > 0 || !options.Stream {
break
}
- _ = j.Wait(sdjournal.IndefiniteWait) //nolint
+ _ = j.Wait(sdjournal.IndefiniteWait)
continue
}
prevCursor = newCursor
+
entry, err := j.GetEntry()
if err != nil {
- return err
- }
- // TODO this keeps us from feeding the podman event parser with
- // with regular journal content; it can be removed if the above
- // problem with AddMatch is resolved.
- if entry.Fields["PODMAN_EVENT"] == "" {
- continue
+ return errors.Wrap(err, "failed to read journal entry")
}
newEvent, err := newEventFromJournalEntry(entry)
if err != nil {
@@ -174,6 +184,19 @@ func newEventFromJournalEntry(entry *sdjournal.JournalEntry) (*Event, error) { /
newEvent.ContainerExitCode = intCode
}
}
+
+ // we need to check for the presence of labels recorded to a container event
+ if stringLabels, ok := entry.Fields["PODMAN_LABELS"]; ok && len(stringLabels) > 0 {
+ labels := make(map[string]string, 0)
+ if err := json.Unmarshal([]byte(stringLabels), &labels); err != nil {
+ return nil, err
+ }
+
+ // if we have labels, add them to the event
+ if len(labels) > 0 {
+ newEvent.Details = Details{Attributes: labels}
+ }
+ }
case Image:
newEvent.ID = entry.Fields["PODMAN_ID"]
}
diff --git a/libpod/image/filters.go b/libpod/image/filters.go
index db647954f..4aff0a7b5 100644
--- a/libpod/image/filters.go
+++ b/libpod/image/filters.go
@@ -82,7 +82,7 @@ func LabelFilter(ctx context.Context, labelfilter string) ResultFilter {
// We need to handle both label=key and label=key=value
return func(i *Image) bool {
var value string
- splitFilter := strings.Split(labelfilter, "=")
+ splitFilter := strings.SplitN(labelfilter, "=", 2)
key := splitFilter[0]
if len(splitFilter) > 1 {
value = splitFilter[1]
@@ -157,7 +157,7 @@ func (ir *Runtime) createFilterFuncs(filters []string, img *Image) ([]ResultFilt
var filterFuncs []ResultFilter
ctx := context.Background()
for _, filter := range filters {
- splitFilter := strings.Split(filter, "=")
+ splitFilter := strings.SplitN(filter, "=", 2)
if len(splitFilter) < 2 {
return nil, errors.Errorf("invalid filter syntax %s", filter)
}
diff --git a/libpod/image/image.go b/libpod/image/image.go
index 0900944eb..301954703 100644
--- a/libpod/image/image.go
+++ b/libpod/image/image.go
@@ -177,7 +177,7 @@ func (ir *Runtime) New(ctx context.Context, name, signaturePolicyPath, authfile
// SaveImages stores one more images in a multi-image archive.
// Note that only `docker-archive` supports storing multiple
// image.
-func (ir *Runtime) SaveImages(ctx context.Context, namesOrIDs []string, format string, outputFile string, quiet bool) (finalErr error) {
+func (ir *Runtime) SaveImages(ctx context.Context, namesOrIDs []string, format string, outputFile string, quiet, removeSignatures bool) (finalErr error) {
if format != DockerArchive {
return errors.Errorf("multi-image archives are only supported in in the %q format", DockerArchive)
}
@@ -264,7 +264,7 @@ func (ir *Runtime) SaveImages(ctx context.Context, namesOrIDs []string, format s
}
img := imageMap[id]
- copyOptions := getCopyOptions(sys, writer, nil, nil, SigningOptions{}, "", img.tags)
+ copyOptions := getCopyOptions(sys, writer, nil, nil, SigningOptions{RemoveSignatures: removeSignatures}, "", img.tags)
copyOptions.DestinationCtx.SystemRegistriesConfPath = registries.SystemRegistriesConfPath()
// For copying, we need a source reference that we can create
@@ -469,7 +469,7 @@ func (ir *Runtime) getLocalImage(inputName string) (string, *storage.Image, erro
if err != nil {
return "", nil, err
}
- img, err := ir.store.Image(ref.String())
+ img, err := ir.store.Image(reference.TagNameOnly(ref).String())
if err == nil {
return ref.String(), img, nil
}
@@ -1584,7 +1584,7 @@ func (i *Image) Comment(ctx context.Context, manifestType string) (string, error
}
// Save writes a container image to the filesystem
-func (i *Image) Save(ctx context.Context, source, format, output string, moreTags []string, quiet, compress bool) error {
+func (i *Image) Save(ctx context.Context, source, format, output string, moreTags []string, quiet, compress, removeSignatures bool) error {
var (
writer io.Writer
destRef types.ImageReference
@@ -1636,7 +1636,7 @@ func (i *Image) Save(ctx context.Context, source, format, output string, moreTag
return err
}
}
- if err := i.PushImageToReference(ctx, destRef, manifestType, "", "", "", writer, compress, SigningOptions{}, &DockerRegistryOptions{}, additionaltags); err != nil {
+ if err := i.PushImageToReference(ctx, destRef, manifestType, "", "", "", writer, compress, SigningOptions{RemoveSignatures: removeSignatures}, &DockerRegistryOptions{}, additionaltags); err != nil {
return errors.Wrapf(err, "unable to save %q", source)
}
i.newImageEvent(events.Save)
diff --git a/libpod/image/search.go b/libpod/image/search.go
index 5f5845989..b9acf4a20 100644
--- a/libpod/image/search.go
+++ b/libpod/image/search.go
@@ -263,7 +263,7 @@ func searchRepositoryTags(registry, term string, sc *types.SystemContext, option
func ParseSearchFilter(filter []string) (*SearchFilter, error) {
sFilter := new(SearchFilter)
for _, f := range filter {
- arr := strings.Split(f, "=")
+ arr := strings.SplitN(f, "=", 2)
switch arr[0] {
case "stars":
if len(arr) < 2 {
diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go
index f87c311ce..9ff6e40b7 100644
--- a/libpod/networking_linux.go
+++ b/libpod/networking_linux.go
@@ -254,9 +254,11 @@ func (r *Runtime) setupSlirp4netns(ctr *Container) error {
if ctr.config.NetworkOptions != nil {
slirpOptions := ctr.config.NetworkOptions["slirp4netns"]
for _, o := range slirpOptions {
- parts := strings.Split(o, "=")
+ parts := strings.SplitN(o, "=", 2)
+ if len(parts) < 2 {
+ return errors.Errorf("unknown option for slirp4netns: %q", o)
+ }
option, value := parts[0], parts[1]
-
switch option {
case "cidr":
ipv4, _, err := net.ParseCIDR(value)
@@ -823,6 +825,20 @@ func getContainerNetIO(ctr *Container) (*netlink.LinkStatistics, error) {
// Produce an InspectNetworkSettings containing information on the container
// network.
func (c *Container) getContainerNetworkInfo() (*define.InspectNetworkSettings, error) {
+ if c.config.NetNsCtr != "" {
+ netNsCtr, err := c.runtime.GetContainer(c.config.NetNsCtr)
+ if err != nil {
+ return nil, err
+ }
+ // Have to sync to ensure that state is populated
+ if err := netNsCtr.syncContainer(); err != nil {
+ return nil, err
+ }
+ logrus.Debugf("Container %s shares network namespace, retrieving network info of container %s", c.ID(), c.config.NetNsCtr)
+
+ return netNsCtr.getContainerNetworkInfo()
+ }
+
settings := new(define.InspectNetworkSettings)
settings.Ports = makeInspectPortBindings(c.config.PortMappings)
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-09-27 15:29:12 +0000