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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2020-04-27 21:27:49 +0200
committerGitHub <noreply@github.com>2020-04-27 21:27:49 +0200
commit8642e256f2036f4263b9817322cde7eec8b0915c (patch)
tree32d83f5e9128e7daab4280d2053ebbef7fd558c0 /cmd
parent618d4be212ab42e07b3f98e75412529025b37b71 (diff)
parenta83d1a27721162757808bc6c4f365ba1d2ec7510 (diff)
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Merge pull request #5978 from rhatdan/ports
Make podman container list == podman ps
Diffstat (limited to 'cmd')
-rw-r--r--cmd/podman/common/ports.go112
-rw-r--r--cmd/podman/common/specgen.go9
-rw-r--r--cmd/podman/containers/list.go7
-rw-r--r--cmd/podman/containers/ps.go24
4 files changed, 30 insertions, 122 deletions
diff --git a/cmd/podman/common/ports.go b/cmd/podman/common/ports.go
index 7e2b1e79d..a96bafabd 100644
--- a/cmd/podman/common/ports.go
+++ b/cmd/podman/common/ports.go
@@ -1,28 +1,11 @@
package common
import (
- "fmt"
- "net"
- "strconv"
-
- "github.com/cri-o/ocicni/pkg/ocicni"
"github.com/docker/go-connections/nat"
"github.com/pkg/errors"
- "github.com/sirupsen/logrus"
)
-// ExposedPorts parses user and image ports and returns binding information
-func ExposedPorts(expose []string, publish []ocicni.PortMapping, publishAll bool, imageExposedPorts map[string]struct{}) ([]ocicni.PortMapping, error) {
- containerPorts := make(map[string]string)
-
- // TODO this needs to be added into a something that
- // has access to an imageengine
- // add expose ports from the image itself
- //for expose := range imageExposedPorts {
- // _, port := nat.SplitProtoPort(expose)
- // containerPorts[port] = ""
- //}
-
+func verifyExpose(expose []string) error {
// add the expose ports from the user (--expose)
// can be single or a range
for _, expose := range expose {
@@ -30,97 +13,10 @@ func ExposedPorts(expose []string, publish []ocicni.PortMapping, publishAll bool
_, port := nat.SplitProtoPort(expose)
//parse the start and end port and create a sequence of ports to expose
//if expose a port, the start and end port are the same
- start, end, err := nat.ParsePortRange(port)
+ _, _, err := nat.ParsePortRange(port)
if err != nil {
- return nil, fmt.Errorf("invalid range format for --expose: %s, error: %s", expose, err)
- }
- for i := start; i <= end; i++ {
- containerPorts[strconv.Itoa(int(i))] = ""
- }
- }
-
- // TODO/FIXME this is hell reencarnated
- // parse user inputted port bindings
- pbPorts, portBindings, err := nat.ParsePortSpecs([]string{})
- if err != nil {
- return nil, err
- }
-
- // delete exposed container ports if being used by -p
- for i := range pbPorts {
- delete(containerPorts, i.Port())
- }
-
- // iterate container ports and make port bindings from them
- if publishAll {
- for e := range containerPorts {
- //support two formats for expose, original format <portnum>/[<proto>] or <startport-endport>/[<proto>]
- //proto, port := nat.SplitProtoPort(e)
- p, err := nat.NewPort("tcp", e)
- if err != nil {
- return nil, err
- }
- rp, err := getRandomPort()
- if err != nil {
- return nil, err
- }
- logrus.Debug(fmt.Sprintf("Using random host port %d with container port %d", rp, p.Int()))
- portBindings[p] = CreatePortBinding(rp, "")
- }
- }
-
- // We need to see if any host ports are not populated and if so, we need to assign a
- // random port to them.
- for k, pb := range portBindings {
- if pb[0].HostPort == "" {
- hostPort, err := getRandomPort()
- if err != nil {
- return nil, err
- }
- logrus.Debug(fmt.Sprintf("Using random host port %d with container port %s", hostPort, k.Port()))
- pb[0].HostPort = strconv.Itoa(hostPort)
- }
- }
- var pms []ocicni.PortMapping
- for k, v := range portBindings {
- for _, pb := range v {
- hp, err := strconv.Atoi(pb.HostPort)
- if err != nil {
- return nil, err
- }
- pms = append(pms, ocicni.PortMapping{
- HostPort: int32(hp),
- ContainerPort: int32(k.Int()),
- //Protocol: "",
- HostIP: pb.HostIP,
- })
+ return errors.Wrapf(err, "invalid range format for --expose: %s", expose)
}
}
- return pms, nil
-}
-
-func getRandomPort() (int, error) {
- l, err := net.Listen("tcp", ":0")
- if err != nil {
- return 0, errors.Wrapf(err, "unable to get free port")
- }
- defer l.Close()
- _, randomPort, err := net.SplitHostPort(l.Addr().String())
- if err != nil {
- return 0, errors.Wrapf(err, "unable to determine free port")
- }
- rp, err := strconv.Atoi(randomPort)
- if err != nil {
- return 0, errors.Wrapf(err, "unable to convert random port to int")
- }
- return rp, nil
-}
-
-//CreatePortBinding takes port (int) and IP (string) and creates an array of portbinding structs
-func CreatePortBinding(hostPort int, hostIP string) []nat.PortBinding {
- pb := nat.PortBinding{
- HostPort: strconv.Itoa(hostPort),
- }
- pb.HostIP = hostIP
- return []nat.PortBinding{pb}
+ return nil
}
diff --git a/cmd/podman/common/specgen.go b/cmd/podman/common/specgen.go
index ba9022aff..c98377a69 100644
--- a/cmd/podman/common/specgen.go
+++ b/cmd/podman/common/specgen.go
@@ -227,11 +227,14 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []string
}
s.Terminal = c.TTY
- ep, err := ExposedPorts(c.Expose, c.Net.PublishPorts, c.PublishAll, nil)
- if err != nil {
+
+ if err := verifyExpose(c.Expose); err != nil {
return err
}
- s.PortMappings = ep
+ // We are not handling the Expose flag yet.
+ // s.PortsExpose = c.Expose
+ s.PortMappings = c.Net.PublishPorts
+ s.PublishImagePorts = c.PublishAll
s.Pod = c.Pod
for k, v := range map[string]*specgen.Namespace{
diff --git a/cmd/podman/containers/list.go b/cmd/podman/containers/list.go
index 938fb63d3..b5019ddd2 100644
--- a/cmd/podman/containers/list.go
+++ b/cmd/podman/containers/list.go
@@ -14,7 +14,7 @@ var (
Args: cobra.NoArgs,
Short: "List containers",
Long: "Prints out information about the containers",
- RunE: containers,
+ RunE: ps,
Example: `podman container list -a
podman container list -a --format "{{.ID}} {{.Image}} {{.Labels}} {{.Mounts}}"
podman container list --size --sort names`,
@@ -27,8 +27,5 @@ func init() {
Command: listCmd,
Parent: containerCmd,
})
-}
-
-func containers(cmd *cobra.Command, args []string) error {
- return nil
+ listFlagSet(listCmd.Flags())
}
diff --git a/cmd/podman/containers/ps.go b/cmd/podman/containers/ps.go
index a006e918d..82434e9cc 100644
--- a/cmd/podman/containers/ps.go
+++ b/cmd/podman/containers/ps.go
@@ -18,6 +18,7 @@ import (
"github.com/docker/go-units"
"github.com/pkg/errors"
"github.com/spf13/cobra"
+ "github.com/spf13/pflag"
)
var (
@@ -47,7 +48,10 @@ func init() {
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: psCommand,
})
- flags := psCommand.Flags()
+ listFlagSet(psCommand.Flags())
+}
+
+func listFlagSet(flags *pflag.FlagSet) {
flags.BoolVarP(&listOpts.All, "all", "a", false, "Show all the containers, default is only running containers")
flags.StringSliceVarP(&filters, "filter", "f", []string{}, "Filter output based on conditions given")
flags.StringVar(&listOpts.Format, "format", "", "Pretty-print containers to JSON or using a Go template")
@@ -165,14 +169,14 @@ func ps(cmd *cobra.Command, args []string) error {
responses = append(responses, psReporter{r})
}
- headers, row := createPsOut()
+ headers, format := createPsOut()
if cmd.Flag("format").Changed {
- row = listOpts.Format
- if !strings.HasPrefix(row, "\n") {
- row += "\n"
+ format = listOpts.Format
+ if !strings.HasPrefix(format, "\n") {
+ format += "\n"
}
}
- format := "{{range . }}" + row + "{{end}}"
+ format = "{{range . }}" + format + "{{end}}"
if !listOpts.Quiet && !cmd.Flag("format").Changed {
format = headers + format
}
@@ -247,6 +251,14 @@ type psReporter struct {
entities.ListContainer
}
+// ImageID returns the ID of the container
+func (l psReporter) ImageID() string {
+ if !noTrunc {
+ return l.ListContainer.ImageID[0:12]
+ }
+ return l.ListContainer.ImageID
+}
+
// ID returns the ID of the container
func (l psReporter) ID() string {
if !noTrunc {