summaryrefslogtreecommitdiff
path: root/cmd/podman
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/podman')
-rw-r--r--cmd/podman/common/specgen.go9
-rw-r--r--cmd/podman/common/util.go216
-rw-r--r--cmd/podman/containers/logs.go2
-rw-r--r--cmd/podman/containers/prune.go6
-rw-r--r--cmd/podman/containers/ps.go2
-rw-r--r--cmd/podman/containers/rm.go2
-rw-r--r--cmd/podman/containers/run.go6
-rw-r--r--cmd/podman/containers/stats.go244
-rw-r--r--cmd/podman/healthcheck/healthcheck.go4
-rw-r--r--cmd/podman/images/build.go (renamed from cmd/podman/build.go)25
-rw-r--r--cmd/podman/images/diff.go5
-rw-r--r--cmd/podman/images/history.go21
-rw-r--r--cmd/podman/images/import.go23
-rw-r--r--cmd/podman/images/load.go19
-rw-r--r--cmd/podman/images/rm.go7
-rw-r--r--cmd/podman/images/save.go23
-rw-r--r--cmd/podman/images/tag.go16
-rw-r--r--cmd/podman/images/untag.go16
-rw-r--r--cmd/podman/pods/pod.go2
-rw-r--r--cmd/podman/pods/ps.go2
-rw-r--r--cmd/podman/pods/stats.go2
-rw-r--r--cmd/podman/pods/top.go2
-rw-r--r--cmd/podman/root.go2
-rw-r--r--cmd/podman/system/info.go22
24 files changed, 621 insertions, 57 deletions
diff --git a/cmd/podman/common/specgen.go b/cmd/podman/common/specgen.go
index 33cba30cd..7467c184a 100644
--- a/cmd/podman/common/specgen.go
+++ b/cmd/podman/common/specgen.go
@@ -192,7 +192,6 @@ func getMemoryLimits(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []strin
func FillOutSpecGen(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []string) error {
var (
err error
- // namespaces map[string]string
)
// validate flags as needed
@@ -234,9 +233,15 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []string
// We are not handling the Expose flag yet.
// s.PortsExpose = c.Expose
s.PortMappings = c.Net.PublishPorts
- s.PublishImagePorts = c.PublishAll
+ s.PublishExposedPorts = c.PublishAll
s.Pod = c.Pod
+ expose, err := createExpose(c.Expose)
+ if err != nil {
+ return err
+ }
+ s.Expose = expose
+
for k, v := range map[string]*specgen.Namespace{
c.IPC: &s.IpcNS,
c.PID: &s.PidNS,
diff --git a/cmd/podman/common/util.go b/cmd/podman/common/util.go
index 47bbe12fa..a3626b4e4 100644
--- a/cmd/podman/common/util.go
+++ b/cmd/podman/common/util.go
@@ -1,43 +1,201 @@
package common
import (
+ "net"
"strconv"
+ "strings"
- "github.com/cri-o/ocicni/pkg/ocicni"
- "github.com/docker/go-connections/nat"
+ "github.com/containers/libpod/pkg/specgen"
"github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
)
-// createPortBindings iterates ports mappings and exposed ports into a format CNI understands
-func createPortBindings(ports []string) ([]ocicni.PortMapping, error) {
- // TODO wants someone to rewrite this code in the future
- var portBindings []ocicni.PortMapping
- // The conversion from []string to natBindings is temporary while mheon reworks the port
- // deduplication code. Eventually that step will not be required.
- _, natBindings, err := nat.ParsePortSpecs(ports)
- if err != nil {
- return nil, err
- }
- for containerPb, hostPb := range natBindings {
- var pm ocicni.PortMapping
- pm.ContainerPort = int32(containerPb.Int())
- for _, i := range hostPb {
- var hostPort int
- var err error
- pm.HostIP = i.HostIP
- if i.HostPort == "" {
- hostPort = containerPb.Int()
+// createExpose parses user-provided exposed port definitions and converts them
+// into SpecGen format.
+// TODO: The SpecGen format should really handle ranges more sanely - we could
+// be massively inflating what is sent over the wire with a large range.
+func createExpose(expose []string) (map[uint16]string, error) {
+ toReturn := make(map[uint16]string)
+
+ for _, e := range expose {
+ // Check for protocol
+ proto := "tcp"
+ splitProto := strings.Split(e, "/")
+ if len(splitProto) > 2 {
+ return nil, errors.Errorf("invalid expose format - protocol can only be specified once")
+ } else if len(splitProto) == 2 {
+ proto = splitProto[1]
+ }
+
+ // Check for a range
+ start, len, err := parseAndValidateRange(splitProto[0])
+ if err != nil {
+ return nil, err
+ }
+
+ var index uint16
+ for index = 0; index < len; index++ {
+ portNum := start + index
+ protocols, ok := toReturn[portNum]
+ if !ok {
+ toReturn[portNum] = proto
} else {
- hostPort, err = strconv.Atoi(i.HostPort)
- if err != nil {
- return nil, errors.Wrapf(err, "unable to convert host port to integer")
- }
+ newProto := strings.Join(append(strings.Split(protocols, ","), strings.Split(proto, ",")...), ",")
+ toReturn[portNum] = newProto
}
+ }
+ }
+
+ return toReturn, nil
+}
+
+// createPortBindings iterates ports mappings into SpecGen format.
+func createPortBindings(ports []string) ([]specgen.PortMapping, error) {
+ // --publish is formatted as follows:
+ // [[hostip:]hostport[-endPort]:]containerport[-endPort][/protocol]
+ toReturn := make([]specgen.PortMapping, 0, len(ports))
+
+ for _, p := range ports {
+ var (
+ ctrPort string
+ proto, hostIP, hostPort *string
+ )
+
+ splitProto := strings.Split(p, "/")
+ switch len(splitProto) {
+ case 1:
+ // No protocol was provided
+ case 2:
+ proto = &(splitProto[1])
+ default:
+ return nil, errors.Errorf("invalid port format - protocol can only be specified once")
+ }
- pm.HostPort = int32(hostPort)
- pm.Protocol = containerPb.Proto()
- portBindings = append(portBindings, pm)
+ splitPort := strings.Split(splitProto[0], ":")
+ switch len(splitPort) {
+ case 1:
+ ctrPort = splitPort[0]
+ case 2:
+ hostPort = &(splitPort[0])
+ ctrPort = splitPort[1]
+ case 3:
+ hostIP = &(splitPort[0])
+ hostPort = &(splitPort[1])
+ ctrPort = splitPort[2]
+ default:
+ return nil, errors.Errorf("invalid port format - format is [[hostIP:]hostPort:]containerPort")
+ }
+
+ newPort, err := parseSplitPort(hostIP, hostPort, ctrPort, proto)
+ if err != nil {
+ return nil, err
+ }
+
+ toReturn = append(toReturn, newPort)
+ }
+
+ return toReturn, nil
+}
+
+// parseSplitPort parses individual components of the --publish flag to produce
+// a single port mapping in SpecGen format.
+func parseSplitPort(hostIP, hostPort *string, ctrPort string, protocol *string) (specgen.PortMapping, error) {
+ newPort := specgen.PortMapping{}
+ if ctrPort == "" {
+ return newPort, errors.Errorf("must provide a non-empty container port to publish")
+ }
+ ctrStart, ctrLen, err := parseAndValidateRange(ctrPort)
+ if err != nil {
+ return newPort, errors.Wrapf(err, "error parsing container port")
+ }
+ newPort.ContainerPort = ctrStart
+ newPort.Range = ctrLen
+
+ if protocol != nil {
+ if *protocol == "" {
+ return newPort, errors.Errorf("must provide a non-empty protocol to publish")
+ }
+ newPort.Protocol = *protocol
+ }
+ if hostIP != nil {
+ if *hostIP == "" {
+ return newPort, errors.Errorf("must provide a non-empty container host IP to publish")
}
+ testIP := net.ParseIP(*hostIP)
+ if testIP == nil {
+ return newPort, errors.Errorf("cannot parse %q as an IP address", *hostIP)
+ }
+ newPort.HostIP = testIP.String()
+ }
+ if hostPort != nil {
+ if *hostPort == "" {
+ return newPort, errors.Errorf("must provide a non-empty container host port to publish")
+ }
+ hostStart, hostLen, err := parseAndValidateRange(*hostPort)
+ if err != nil {
+ return newPort, errors.Wrapf(err, "error parsing host port")
+ }
+ if hostLen != ctrLen {
+ return newPort, errors.Errorf("host and container port ranges have different lengths: %d vs %d", hostLen, ctrLen)
+ }
+ newPort.HostPort = hostStart
+ }
+
+ hport := newPort.HostPort
+ if hport == 0 {
+ hport = newPort.ContainerPort
+ }
+ logrus.Debugf("Adding port mapping from %d to %d length %d protocol %q", hport, newPort.ContainerPort, newPort.Range, newPort.Protocol)
+
+ return newPort, nil
+}
+
+// Parse and validate a port range.
+// Returns start port, length of range, error.
+func parseAndValidateRange(portRange string) (uint16, uint16, error) {
+ splitRange := strings.Split(portRange, "-")
+ if len(splitRange) > 2 {
+ return 0, 0, errors.Errorf("invalid port format - port ranges are formatted as startPort-stopPort")
+ }
+
+ if splitRange[0] == "" {
+ return 0, 0, errors.Errorf("port numbers cannot be negative")
+ }
+
+ startPort, err := parseAndValidatePort(splitRange[0])
+ if err != nil {
+ return 0, 0, err
+ }
+
+ var rangeLen uint16 = 1
+ if len(splitRange) == 2 {
+ if splitRange[1] == "" {
+ return 0, 0, errors.Errorf("must provide ending number for port range")
+ }
+ endPort, err := parseAndValidatePort(splitRange[1])
+ if err != nil {
+ return 0, 0, err
+ }
+ if endPort <= startPort {
+ return 0, 0, errors.Errorf("the end port of a range must be higher than the start port - %d is not higher than %d", endPort, startPort)
+ }
+ // Our range is the total number of ports
+ // involved, so we need to add 1 (8080:8081 is
+ // 2 ports, for example, not 1)
+ rangeLen = endPort - startPort + 1
+ }
+
+ return startPort, rangeLen, nil
+}
+
+// Turn a single string into a valid U16 port.
+func parseAndValidatePort(port string) (uint16, error) {
+ num, err := strconv.Atoi(port)
+ if err != nil {
+ return 0, errors.Wrapf(err, "cannot parse %q as a port number", port)
+ }
+ if num < 1 || num > 65535 {
+ return 0, errors.Errorf("port numbers must be between 1 and 65535 (inclusive), got %d", num)
}
- return portBindings, nil
+ return uint16(num), nil
}
diff --git a/cmd/podman/containers/logs.go b/cmd/podman/containers/logs.go
index 5dec71fdd..2b8c3ed5f 100644
--- a/cmd/podman/containers/logs.go
+++ b/cmd/podman/containers/logs.go
@@ -27,7 +27,7 @@ var (
`
logsCommand = &cobra.Command{
Use: "logs [flags] CONTAINER [CONTAINER...]",
- Short: "Fetch the logs of one or more container",
+ Short: "Fetch the logs of one or more containers",
Long: logsDescription,
RunE: logs,
Example: `podman logs ctrID
diff --git a/cmd/podman/containers/prune.go b/cmd/podman/containers/prune.go
index d4bea48f9..38168a6e4 100644
--- a/cmd/podman/containers/prune.go
+++ b/cmd/podman/containers/prune.go
@@ -18,10 +18,10 @@ import (
var (
pruneDescription = fmt.Sprintf(`podman container prune
- Removes all stopped | exited containers`)
+ Removes all non running containers`)
pruneCommand = &cobra.Command{
Use: "prune [flags]",
- Short: "Remove all stopped | exited containers",
+ Short: "Remove all non running containers",
Long: pruneDescription,
RunE: prune,
Example: `podman container prune`,
@@ -50,7 +50,7 @@ func prune(cmd *cobra.Command, args []string) error {
}
if !force {
reader := bufio.NewReader(os.Stdin)
- fmt.Println("WARNING! This will remove all stopped containers.")
+ fmt.Println("WARNING! This will remove all non running containers.")
fmt.Print("Are you sure you want to continue? [y/N] ")
answer, err := reader.ReadString('\n')
if err != nil {
diff --git a/cmd/podman/containers/ps.go b/cmd/podman/containers/ps.go
index e9146bda7..4d12d2534 100644
--- a/cmd/podman/containers/ps.go
+++ b/cmd/podman/containers/ps.go
@@ -206,7 +206,7 @@ func ps(cmd *cobra.Command, args []string) error {
return err
}
if err := tmpl.Execute(w, responses); err != nil {
- return nil
+ return err
}
if err := w.Flush(); err != nil {
return err
diff --git a/cmd/podman/containers/rm.go b/cmd/podman/containers/rm.go
index 96549cead..2a0f9cc6a 100644
--- a/cmd/podman/containers/rm.go
+++ b/cmd/podman/containers/rm.go
@@ -35,7 +35,7 @@ var (
containerRmCommand = &cobra.Command{
Use: rmCommand.Use,
- Short: rmCommand.Use,
+ Short: rmCommand.Short,
Long: rmCommand.Long,
RunE: rmCommand.RunE,
Args: func(cmd *cobra.Command, args []string) error {
diff --git a/cmd/podman/containers/run.go b/cmd/podman/containers/run.go
index b13983e37..f72446cb6 100644
--- a/cmd/podman/containers/run.go
+++ b/cmd/podman/containers/run.go
@@ -170,9 +170,9 @@ func run(cmd *cobra.Command, args []string) error {
return nil
}
if runRmi {
- _, err := registry.ImageEngine().Remove(registry.GetContext(), []string{args[0]}, entities.ImageRemoveOptions{})
- if err != nil {
- logrus.Errorf("%s", errors.Wrapf(err, "failed removing image"))
+ _, rmErrors := registry.ImageEngine().Remove(registry.GetContext(), []string{args[0]}, entities.ImageRemoveOptions{})
+ if len(rmErrors) > 0 {
+ logrus.Errorf("%s", errors.Wrapf(errorhandling.JoinErrors(rmErrors), "failed removing image"))
}
}
return nil
diff --git a/cmd/podman/containers/stats.go b/cmd/podman/containers/stats.go
new file mode 100644
index 000000000..3f9db671f
--- /dev/null
+++ b/cmd/podman/containers/stats.go
@@ -0,0 +1,244 @@
+package containers
+
+import (
+ "fmt"
+ "os"
+ "strings"
+ "text/tabwriter"
+ "text/template"
+
+ tm "github.com/buger/goterm"
+ "github.com/containers/libpod/cmd/podman/registry"
+ "github.com/containers/libpod/libpod/define"
+ "github.com/containers/libpod/pkg/cgroups"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/containers/libpod/pkg/rootless"
+ "github.com/containers/libpod/utils"
+ "github.com/docker/go-units"
+ "github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
+ "github.com/spf13/cobra"
+ "github.com/spf13/pflag"
+)
+
+var (
+ statsDescription = "Display percentage of CPU, memory, network I/O, block I/O and PIDs for one or more containers."
+ statsCommand = &cobra.Command{
+ Use: "stats [flags] [CONTAINER...]",
+ Short: "Display a live stream of container resource usage statistics",
+ Long: statsDescription,
+ RunE: stats,
+ Args: checkStatOptions,
+ Example: `podman stats --all --no-stream
+ podman stats ctrID
+ podman stats --no-stream --format "table {{.ID}} {{.Name}} {{.MemUsage}}" ctrID`,
+ }
+
+ containerStatsCommand = &cobra.Command{
+ Use: statsCommand.Use,
+ Short: statsCommand.Short,
+ Long: statsCommand.Long,
+ RunE: statsCommand.RunE,
+ Args: checkStatOptions,
+ Example: `podman container stats --all --no-stream
+ podman container stats ctrID
+ podman container stats --no-stream --format "table {{.ID}} {{.Name}} {{.MemUsage}}" ctrID`,
+ }
+)
+
+var (
+ statsOptions entities.ContainerStatsOptions
+ defaultStatsRow = "{{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.MemPerc}}\t{{.NetIO}}\t{{.BlockIO}}\t{{.PIDS}}\n"
+ defaultStatsHeader = "ID\tNAME\tCPU %\tMEM USAGE / LIMIT\tMEM %\tNET IO\tBLOCK IO\tPIDS\n"
+)
+
+func statFlags(flags *pflag.FlagSet) {
+ flags.BoolVarP(&statsOptions.All, "all", "a", false, "Show all containers. Only running containers are shown by default. The default is false")
+ flags.StringVar(&statsOptions.Format, "format", "", "Pretty-print container statistics to JSON or using a Go template")
+ flags.BoolVarP(&statsOptions.Latest, "latest", "l", false, "Act on the latest container Podman is aware of")
+ flags.BoolVar(&statsOptions.NoReset, "no-reset", false, "Disable resetting the screen between intervals")
+ flags.BoolVar(&statsOptions.NoStream, "no-stream", false, "Disable streaming stats and only pull the first result, default setting is false")
+ if registry.IsRemote() {
+ _ = flags.MarkHidden("latest")
+ }
+}
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: statsCommand,
+ })
+ flags := statsCommand.Flags()
+ statFlags(flags)
+
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: containerStatsCommand,
+ Parent: containerCmd,
+ })
+
+ containerStatsFlags := containerStatsCommand.Flags()
+ statFlags(containerStatsFlags)
+}
+
+// stats is different in that it will assume running containers if
+// no input is given, so we need to validate differently
+func checkStatOptions(cmd *cobra.Command, args []string) error {
+ opts := 0
+ if statsOptions.All {
+ opts += 1
+ }
+ if statsOptions.Latest {
+ opts += 1
+ }
+ if len(args) > 0 {
+ opts += 1
+ }
+ if opts > 1 {
+ return errors.Errorf("--all, --latest and containers cannot be used together")
+ }
+ return nil
+}
+
+func stats(cmd *cobra.Command, args []string) error {
+ if rootless.IsRootless() {
+ unified, err := cgroups.IsCgroup2UnifiedMode()
+ if err != nil {
+ return err
+ }
+ if !unified {
+ return errors.New("stats is not supported in rootless mode without cgroups v2")
+ }
+ }
+ statsOptions.StatChan = make(chan []*define.ContainerStats, 1)
+ go func() {
+ for reports := range statsOptions.StatChan {
+ if err := outputStats(reports); err != nil {
+ logrus.Error(err)
+ }
+ }
+ }()
+ return registry.ContainerEngine().ContainerStats(registry.Context(), args, statsOptions)
+}
+
+func outputStats(reports []*define.ContainerStats) error {
+ if len(statsOptions.Format) < 1 && !statsOptions.NoReset {
+ tm.Clear()
+ tm.MoveCursor(1, 1)
+ tm.Flush()
+ }
+ var stats []*containerStats
+ for _, r := range reports {
+ stats = append(stats, &containerStats{r})
+ }
+ if statsOptions.Format == "json" {
+ return outputJSON(stats)
+ }
+ format := defaultStatsRow
+ if len(statsOptions.Format) > 0 {
+ format = statsOptions.Format
+ if !strings.HasSuffix(format, "\n") {
+ format += "\n"
+ }
+ }
+ format = "{{range . }}" + format + "{{end}}"
+ if len(statsOptions.Format) < 1 {
+ format = defaultStatsHeader + format
+ }
+ tmpl, err := template.New("stats").Parse(format)
+ if err != nil {
+ return err
+ }
+ w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
+ if err := tmpl.Execute(w, stats); err != nil {
+ return err
+ }
+ if err := w.Flush(); err != nil {
+ return err
+ }
+ return nil
+}
+
+type containerStats struct {
+ *define.ContainerStats
+}
+
+func (s *containerStats) ID() string {
+ return s.ContainerID[0:12]
+}
+
+func (s *containerStats) CPUPerc() string {
+ return floatToPercentString(s.CPU)
+}
+
+func (s *containerStats) MemPerc() string {
+ return floatToPercentString(s.ContainerStats.MemPerc)
+}
+
+func (s *containerStats) NetIO() string {
+ return combineHumanValues(s.NetInput, s.NetOutput)
+}
+
+func (s *containerStats) BlockIO() string {
+ return combineHumanValues(s.BlockInput, s.BlockOutput)
+}
+
+func (s *containerStats) PIDS() string {
+ if s.PIDs == 0 {
+ // If things go bazinga, return a safe value
+ return "--"
+ }
+ return fmt.Sprintf("%d", s.PIDs)
+}
+func (s *containerStats) MemUsage() string {
+ return combineHumanValues(s.ContainerStats.MemUsage, s.ContainerStats.MemLimit)
+}
+
+func floatToPercentString(f float64) string {
+ strippedFloat, err := utils.RemoveScientificNotationFromFloat(f)
+ if err != nil || strippedFloat == 0 {
+ // If things go bazinga, return a safe value
+ return "--"
+ }
+ return fmt.Sprintf("%.2f", strippedFloat) + "%"
+}
+
+func combineHumanValues(a, b uint64) string {
+ if a == 0 && b == 0 {
+ return "-- / --"
+ }
+ return fmt.Sprintf("%s / %s", units.HumanSize(float64(a)), units.HumanSize(float64(b)))
+}
+
+func outputJSON(stats []*containerStats) error {
+ type jstat struct {
+ Id string `json:"id"`
+ Name string `json:"name"`
+ CpuPercent string `json:"cpu_percent"`
+ MemUsage string `json:"mem_usage"`
+ MemPerc string `json:"mem_percent"`
+ NetIO string `json:"net_io"`
+ BlockIO string `json:"block_io"`
+ Pids string `json:"pids"`
+ }
+ var jstats []jstat
+ for _, j := range stats {
+ jstats = append(jstats, jstat{
+ Id: j.ID(),
+ Name: j.Name,
+ CpuPercent: j.CPUPerc(),
+ MemUsage: j.MemPerc(),
+ MemPerc: j.MemUsage(),
+ NetIO: j.NetIO(),
+ BlockIO: j.BlockIO(),
+ Pids: j.PIDS(),
+ })
+ }
+
+ b, err := json.MarshalIndent(jstats, "", " ")
+ if err != nil {
+ return err
+ }
+ fmt.Println(string(b))
+ return nil
+}
diff --git a/cmd/podman/healthcheck/healthcheck.go b/cmd/podman/healthcheck/healthcheck.go
index ce90dba31..f48701624 100644
--- a/cmd/podman/healthcheck/healthcheck.go
+++ b/cmd/podman/healthcheck/healthcheck.go
@@ -11,8 +11,8 @@ var (
// Command: healthcheck
healthCmd = &cobra.Command{
Use: "healthcheck",
- Short: "Manage Healthcheck",
- Long: "Manage Healthcheck",
+ Short: "Manage health checks on containers",
+ Long: "Run health checks on containers",
TraverseChildren: true,
RunE: validate.SubCommandExists,
}
diff --git a/cmd/podman/build.go b/cmd/podman/images/build.go
index 43a2f7ab5..06a7efd25 100644
--- a/cmd/podman/build.go
+++ b/cmd/podman/images/build.go
@@ -1,4 +1,4 @@
-package main
+package images
import (
"os"
@@ -17,6 +17,7 @@ import (
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
+ "github.com/spf13/pflag"
)
// buildFlagsWrapper are local to cmd/ as the build code is using Buildah-internal
@@ -48,6 +49,17 @@ var (
podman build --layers --force-rm --tag imageName .`,
}
+ imageBuildCmd = &cobra.Command{
+ Args: buildCmd.Args,
+ Use: buildCmd.Use,
+ Short: buildCmd.Short,
+ Long: buildCmd.Long,
+ RunE: buildCmd.RunE,
+ Example: `podman image build .
+ podman image build --creds=username:password -t imageName -f Containerfile.simple .
+ podman image build --layers --force-rm --tag imageName .`,
+ }
+
buildOpts = buildFlagsWrapper{}
)
@@ -66,8 +78,17 @@ func init() {
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: buildCmd,
})
- flags := buildCmd.Flags()
+ buildFlags(buildCmd.Flags())
+
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: imageBuildCmd,
+ Parent: imageCmd,
+ })
+ buildFlags(imageBuildCmd.Flags())
+}
+func buildFlags(flags *pflag.FlagSet) {
// Podman flags
flags.BoolVarP(&buildOpts.SquashAll, "squash-all", "", false, "Squash all layers into a single layer")
diff --git a/cmd/podman/images/diff.go b/cmd/podman/images/diff.go
index 7cfacfc6c..c24f98369 100644
--- a/cmd/podman/images/diff.go
+++ b/cmd/podman/images/diff.go
@@ -6,6 +6,7 @@ import (
"github.com/containers/libpod/pkg/domain/entities"
"github.com/pkg/errors"
"github.com/spf13/cobra"
+ "github.com/spf13/pflag"
)
var (
@@ -28,9 +29,11 @@ func init() {
Command: diffCmd,
Parent: imageCmd,
})
+ diffFlags(diffCmd.Flags())
+}
+func diffFlags(flags *pflag.FlagSet) {
diffOpts = &entities.DiffOptions{}
- flags := diffCmd.Flags()
flags.BoolVar(&diffOpts.Archive, "archive", true, "Save the diff as a tar archive")
_ = flags.MarkDeprecated("archive", "Provided for backwards compatibility, has no impact on output.")
flags.StringVar(&diffOpts.Format, "format", "", "Change the output format")
diff --git a/cmd/podman/images/history.go b/cmd/podman/images/history.go
index ce153aa46..17a80557e 100644
--- a/cmd/podman/images/history.go
+++ b/cmd/podman/images/history.go
@@ -15,6 +15,7 @@ import (
"github.com/docker/go-units"
"github.com/pkg/errors"
"github.com/spf13/cobra"
+ "github.com/spf13/pflag"
)
var (
@@ -32,6 +33,15 @@ var (
RunE: history,
}
+ imageHistoryCmd = &cobra.Command{
+ Args: historyCmd.Args,
+ Use: historyCmd.Use,
+ Short: historyCmd.Short,
+ Long: historyCmd.Long,
+ RunE: historyCmd.RunE,
+ Example: `podman image history imageID`,
+ }
+
opts = struct {
human bool
noTrunc bool
@@ -45,8 +55,17 @@ func init() {
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: historyCmd,
})
+ historyFlags(historyCmd.Flags())
+
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: imageHistoryCmd,
+ Parent: imageCmd,
+ })
+ historyFlags(imageHistoryCmd.Flags())
+}
- flags := historyCmd.Flags()
+func historyFlags(flags *pflag.FlagSet) {
flags.StringVar(&opts.format, "format", "", "Change the output to JSON or a Go template")
flags.BoolVarP(&opts.human, "human", "H", true, "Display sizes and dates in human readable format")
flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Do not truncate the output")
diff --git a/cmd/podman/images/import.go b/cmd/podman/images/import.go
index 1c0568762..0e16128ce 100644
--- a/cmd/podman/images/import.go
+++ b/cmd/podman/images/import.go
@@ -10,6 +10,7 @@ import (
"github.com/hashicorp/go-multierror"
"github.com/pkg/errors"
"github.com/spf13/cobra"
+ "github.com/spf13/pflag"
)
var (
@@ -26,6 +27,17 @@ var (
cat ctr.tar | podman -q import --message "importing the ctr.tar tarball" - image-imported
cat ctr.tar | podman import -`,
}
+
+ imageImportCommand = &cobra.Command{
+ Args: cobra.MinimumNArgs(1),
+ Use: importCommand.Use,
+ Short: importCommand.Short,
+ Long: importCommand.Long,
+ RunE: importCommand.RunE,
+ Example: `podman image import http://example.com/ctr.tar url-image
+ cat ctr.tar | podman -q image import --message "importing the ctr.tar tarball" - image-imported
+ cat ctr.tar | podman image import -`,
+ }
)
var (
@@ -37,8 +49,17 @@ func init() {
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: importCommand,
})
+ importFlags(importCommand.Flags())
+
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: imageImportCommand,
+ Parent: imageCmd,
+ })
+ importFlags(imageImportCommand.Flags())
+}
- flags := importCommand.Flags()
+func importFlags(flags *pflag.FlagSet) {
flags.StringArrayVarP(&importOpts.Changes, "change", "c", []string{}, "Apply the following possible instructions to the created image (default []): CMD | ENTRYPOINT | ENV | EXPOSE | LABEL | STOPSIGNAL | USER | VOLUME | WORKDIR")
flags.StringVarP(&importOpts.Message, "message", "m", "", "Set commit message for imported image")
flags.BoolVarP(&importOpts.Quiet, "quiet", "q", false, "Suppress output")
diff --git a/cmd/podman/images/load.go b/cmd/podman/images/load.go
index f49f95002..d34c794c6 100644
--- a/cmd/podman/images/load.go
+++ b/cmd/podman/images/load.go
@@ -15,6 +15,7 @@ import (
"github.com/containers/libpod/pkg/util"
"github.com/pkg/errors"
"github.com/spf13/cobra"
+ "github.com/spf13/pflag"
"golang.org/x/crypto/ssh/terminal"
)
@@ -27,6 +28,14 @@ var (
RunE: load,
Args: cobra.MaximumNArgs(1),
}
+
+ imageLoadCommand = &cobra.Command{
+ Args: cobra.MinimumNArgs(1),
+ Use: loadCommand.Use,
+ Short: loadCommand.Short,
+ Long: loadCommand.Long,
+ RunE: loadCommand.RunE,
+ }
)
var (
@@ -38,8 +47,16 @@ func init() {
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: loadCommand,
})
+ loadFlags(loadCommand.Flags())
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: imageLoadCommand,
+ Parent: imageCmd,
+ })
+ loadFlags(imageLoadCommand.Flags())
+}
- flags := loadCommand.Flags()
+func loadFlags(flags *pflag.FlagSet) {
flags.StringVarP(&loadOpts.Input, "input", "i", "", "Read from specified archive file (default: stdin)")
flags.BoolVarP(&loadOpts.Quiet, "quiet", "q", false, "Suppress the output")
flags.StringVar(&loadOpts.SignaturePolicy, "signature-policy", "", "Pathname of signature policy file")
diff --git a/cmd/podman/images/rm.go b/cmd/podman/images/rm.go
index 1cf5fa365..4b9920532 100644
--- a/cmd/podman/images/rm.go
+++ b/cmd/podman/images/rm.go
@@ -5,6 +5,7 @@ import (
"github.com/containers/libpod/cmd/podman/registry"
"github.com/containers/libpod/pkg/domain/entities"
+ "github.com/containers/libpod/pkg/errorhandling"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
@@ -48,7 +49,9 @@ func rm(cmd *cobra.Command, args []string) error {
return errors.Errorf("when using the --all switch, you may not pass any images names or IDs")
}
- report, err := registry.ImageEngine().Remove(registry.GetContext(), args, imageOpts)
+ // Note: certain image-removal errors are non-fatal. Hence, the report
+ // might be set even if err != nil.
+ report, rmErrors := registry.ImageEngine().Remove(registry.GetContext(), args, imageOpts)
if report != nil {
for _, u := range report.Untagged {
fmt.Println("Untagged: " + u)
@@ -62,5 +65,5 @@ func rm(cmd *cobra.Command, args []string) error {
registry.SetExitCode(report.ExitCode)
}
- return err
+ return errorhandling.JoinErrors(rmErrors)
}
diff --git a/cmd/podman/images/save.go b/cmd/podman/images/save.go
index 8f7832074..56953e41c 100644
--- a/cmd/podman/images/save.go
+++ b/cmd/podman/images/save.go
@@ -13,6 +13,7 @@ import (
"github.com/containers/libpod/pkg/util"
"github.com/pkg/errors"
"github.com/spf13/cobra"
+ "github.com/spf13/pflag"
"golang.org/x/crypto/ssh/terminal"
)
@@ -43,6 +44,16 @@ var (
podman save --format docker-dir -o ubuntu-dir ubuntu
podman save > alpine-all.tar alpine:latest`,
}
+ imageSaveCommand = &cobra.Command{
+ Args: saveCommand.Args,
+ Use: saveCommand.Use,
+ Short: saveCommand.Short,
+ Long: saveCommand.Long,
+ RunE: saveCommand.RunE,
+ Example: `podman image save --quiet -o myimage.tar imageID
+ podman image save --format docker-dir -o ubuntu-dir ubuntu
+ podman image save > alpine-all.tar alpine:latest`,
+ }
)
var (
@@ -54,7 +65,17 @@ func init() {
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: saveCommand,
})
- flags := saveCommand.Flags()
+ saveFlags(saveCommand.Flags())
+
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: imageSaveCommand,
+ Parent: imageCmd,
+ })
+ saveFlags(imageSaveCommand.Flags())
+}
+
+func saveFlags(flags *pflag.FlagSet) {
flags.BoolVar(&saveOpts.Compress, "compress", false, "Compress tarball image layers when saving to a directory using the 'dir' transport. (default is same compression type as source)")
flags.StringVar(&saveOpts.Format, "format", define.V2s2Archive, "Save image to oci-archive, oci-dir (directory with oci manifest type), docker-archive, docker-dir (directory with v2s2 manifest type)")
flags.StringVarP(&saveOpts.Output, "output", "o", "", "Write to a specified file (default: stdout, which must be redirected)")
diff --git a/cmd/podman/images/tag.go b/cmd/podman/images/tag.go
index 411313a9b..dae3416c4 100644
--- a/cmd/podman/images/tag.go
+++ b/cmd/podman/images/tag.go
@@ -18,6 +18,17 @@ var (
podman tag imageID:latest myNewImage:newTag
podman tag httpd myregistryhost:5000/fedora/httpd:v2`,
}
+
+ imageTagCommand = &cobra.Command{
+ Args: tagCommand.Args,
+ Use: tagCommand.Use,
+ Short: tagCommand.Short,
+ Long: tagCommand.Long,
+ RunE: tagCommand.RunE,
+ Example: `podman image tag 0e3bbc2 fedora:latest
+ podman image tag imageID:latest myNewImage:newTag
+ podman image tag httpd myregistryhost:5000/fedora/httpd:v2`,
+ }
)
func init() {
@@ -25,6 +36,11 @@ func init() {
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: tagCommand,
})
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: imageTagCommand,
+ Parent: imageCmd,
+ })
}
func tag(cmd *cobra.Command, args []string) error {
diff --git a/cmd/podman/images/untag.go b/cmd/podman/images/untag.go
index 3218844b7..266a3f115 100644
--- a/cmd/podman/images/untag.go
+++ b/cmd/podman/images/untag.go
@@ -17,6 +17,17 @@ var (
podman untag imageID:latest otherImageName:latest
podman untag httpd myregistryhost:5000/fedora/httpd:v2`,
}
+
+ imageUntagCommand = &cobra.Command{
+ Args: untagCommand.Args,
+ Use: untagCommand.Use,
+ Short: untagCommand.Short,
+ Long: untagCommand.Long,
+ RunE: untagCommand.RunE,
+ Example: `podman image untag 0e3bbc2
+ podman image untag imageID:latest otherImageName:latest
+ podman image untag httpd myregistryhost:5000/fedora/httpd:v2`,
+ }
)
func init() {
@@ -24,6 +35,11 @@ func init() {
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: untagCommand,
})
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: imageUntagCommand,
+ Parent: imageCmd,
+ })
}
func untag(cmd *cobra.Command, args []string) error {
diff --git a/cmd/podman/pods/pod.go b/cmd/podman/pods/pod.go
index edca08202..ed265ef90 100644
--- a/cmd/podman/pods/pod.go
+++ b/cmd/podman/pods/pod.go
@@ -16,7 +16,7 @@ var (
podCmd = &cobra.Command{
Use: "pod",
Short: "Manage pods",
- Long: "Manage pods",
+ Long: "Pods are a group of one or more containers sharing the same network, pid and ipc namespaces.",
TraverseChildren: true,
RunE: validate.SubCommandExists,
}
diff --git a/cmd/podman/pods/ps.go b/cmd/podman/pods/ps.go
index b97dfeb66..5703bd172 100644
--- a/cmd/podman/pods/ps.go
+++ b/cmd/podman/pods/ps.go
@@ -26,7 +26,7 @@ var (
psCmd = &cobra.Command{
Use: "ps",
Aliases: []string{"ls", "list"},
- Short: "list pods",
+ Short: "List pods",
Long: psDescription,
RunE: pods,
Args: validate.NoArgs,
diff --git a/cmd/podman/pods/stats.go b/cmd/podman/pods/stats.go
index 7c3597d9a..d3950fdbc 100644
--- a/cmd/podman/pods/stats.go
+++ b/cmd/podman/pods/stats.go
@@ -35,7 +35,7 @@ var (
// Command: podman pod _pod_
statsCmd = &cobra.Command{
Use: "stats [flags] [POD...]",
- Short: "Display resource-usage statistics of pods",
+ Short: "Display a live stream of resource usage statistics for the containers in one or more pods",
Long: statsDescription,
RunE: stats,
Example: `podman pod stats
diff --git a/cmd/podman/pods/top.go b/cmd/podman/pods/top.go
index ad602f4ea..9cf2bd525 100644
--- a/cmd/podman/pods/top.go
+++ b/cmd/podman/pods/top.go
@@ -25,7 +25,7 @@ var (
topCommand = &cobra.Command{
Use: "top [flags] POD [FORMAT-DESCRIPTORS|ARGS]",
- Short: "Display the running processes in a pod",
+ Short: "Display the running processes of containers in a pod",
Long: topDescription,
RunE: top,
Args: cobra.ArbitraryArgs,
diff --git a/cmd/podman/root.go b/cmd/podman/root.go
index 375faf8b1..502b6c03c 100644
--- a/cmd/podman/root.go
+++ b/cmd/podman/root.go
@@ -212,7 +212,7 @@ func rootFlags(opts *entities.PodmanConfig, flags *pflag.FlagSet) {
flags.StringSliceVar(&opts.Identities, "identity", []string{}, "path to SSH identity file")
cfg := opts.Config
- flags.StringVar(&cfg.Engine.CgroupManager, "cgroup-manager", cfg.Engine.CgroupManager, opts.CGroupUsage)
+ flags.StringVar(&cfg.Engine.CgroupManager, "cgroup-manager", cfg.Engine.CgroupManager, "Cgroup manager to use (\"cgroupfs\"|\"systemd\")")
flags.StringVar(&opts.CpuProfile, "cpu-profile", "", "Path for the cpu profiling results")
flags.StringVar(&opts.ConmonPath, "conmon", "", "Path of the conmon binary")
flags.StringVar(&cfg.Engine.NetworkCmdPath, "network-cmd-path", cfg.Engine.NetworkCmdPath, "Path to the command for configuring the network")
diff --git a/cmd/podman/system/info.go b/cmd/podman/system/info.go
index 26be794c5..dad63bcd4 100644
--- a/cmd/podman/system/info.go
+++ b/cmd/podman/system/info.go
@@ -10,6 +10,7 @@ import (
"github.com/containers/libpod/pkg/domain/entities"
"github.com/ghodss/yaml"
"github.com/spf13/cobra"
+ "github.com/spf13/pflag"
)
var (
@@ -25,6 +26,15 @@ var (
RunE: info,
Example: `podman info`,
}
+
+ systemInfoCommand = &cobra.Command{
+ Args: infoCommand.Args,
+ Use: infoCommand.Use,
+ Short: infoCommand.Short,
+ Long: infoCommand.Long,
+ RunE: infoCommand.RunE,
+ Example: `podman system info`,
+ }
)
var (
@@ -37,7 +47,17 @@ func init() {
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: infoCommand,
})
- flags := infoCommand.Flags()
+ infoFlags(infoCommand.Flags())
+
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: systemInfoCommand,
+ Parent: systemCmd,
+ })
+ infoFlags(systemInfoCommand.Flags())
+}
+
+func infoFlags(flags *pflag.FlagSet) {
flags.BoolVarP(&debug, "debug", "D", false, "Display additional debug information")
flags.StringVarP(&inFormat, "format", "f", "", "Change the output format to JSON or a Go template")
}