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-rw-r--r--cmd/podman/common/inspect.go18
-rw-r--r--cmd/podman/containers/inspect.go53
-rw-r--r--cmd/podman/images/inspect.go92
-rw-r--r--cmd/podman/inspect.go42
-rw-r--r--cmd/podman/inspect/inspect.go159
5 files changed, 182 insertions, 182 deletions
diff --git a/cmd/podman/common/inspect.go b/cmd/podman/common/inspect.go
deleted file mode 100644
index dfc6fe679..000000000
--- a/cmd/podman/common/inspect.go
+++ /dev/null
@@ -1,18 +0,0 @@
-package common
-
-import (
- "github.com/containers/libpod/pkg/domain/entities"
- "github.com/spf13/cobra"
-)
-
-// AddInspectFlagSet takes a command and adds the inspect flags and returns an InspectOptions object
-// Since this cannot live in `package main` it lives here until a better home is found
-func AddInspectFlagSet(cmd *cobra.Command) *entities.InspectOptions {
- opts := entities.InspectOptions{}
-
- flags := cmd.Flags()
- flags.BoolVarP(&opts.Size, "size", "s", false, "Display total file size")
- flags.StringVarP(&opts.Format, "format", "f", "", "Change the output format to a Go template")
-
- return &opts
-}
diff --git a/cmd/podman/containers/inspect.go b/cmd/podman/containers/inspect.go
index f9ef1ddbd..4549a4ef6 100644
--- a/cmd/podman/containers/inspect.go
+++ b/cmd/podman/containers/inspect.go
@@ -1,15 +1,8 @@
package containers
import (
- "context"
- "fmt"
- "os"
- "strings"
- "text/template"
-
- "github.com/containers/libpod/cmd/podman/common"
+ "github.com/containers/libpod/cmd/podman/inspect"
"github.com/containers/libpod/cmd/podman/registry"
-
"github.com/containers/libpod/pkg/domain/entities"
"github.com/spf13/cobra"
)
@@ -20,7 +13,7 @@ var (
Use: "inspect [flags] CONTAINER",
Short: "Display the configuration of a container",
Long: `Displays the low-level information on a container identified by name or ID.`,
- RunE: inspect,
+ RunE: inspectExec,
Example: `podman container inspect myCtr
podman container inspect -l --format '{{.Id}} {{.Config.Labels}}'`,
}
@@ -33,45 +26,9 @@ func init() {
Command: inspectCmd,
Parent: containerCmd,
})
- inspectOpts = common.AddInspectFlagSet(inspectCmd)
- flags := inspectCmd.Flags()
-
- if !registry.IsRemote() {
- flags.BoolVarP(&inspectOpts.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
- }
-
-}
-
-func inspect(cmd *cobra.Command, args []string) error {
- responses, err := registry.ContainerEngine().ContainerInspect(context.Background(), args, *inspectOpts)
- if err != nil {
- return err
- }
- if inspectOpts.Format == "" {
- b, err := json.MarshalIndent(responses, "", " ")
- if err != nil {
- return err
- }
- fmt.Println(string(b))
- return nil
- }
- format := inspectOpts.Format
- if !strings.HasSuffix(format, "\n") {
- format += "\n"
- }
- tmpl, err := template.New("inspect").Parse(format)
- if err != nil {
- return err
- }
- for _, i := range responses {
- if err := tmpl.Execute(os.Stdout, i); err != nil {
- return err
- }
- }
- return nil
+ inspectOpts = inspect.AddInspectFlagSet(inspectCmd)
}
-func Inspect(cmd *cobra.Command, args []string, options *entities.InspectOptions) error {
- inspectOpts = options
- return inspect(cmd, args)
+func inspectExec(cmd *cobra.Command, args []string) error {
+ return inspect.Inspect(args, *inspectOpts)
}
diff --git a/cmd/podman/images/inspect.go b/cmd/podman/images/inspect.go
index 91c9445eb..8c727eb07 100644
--- a/cmd/podman/images/inspect.go
+++ b/cmd/podman/images/inspect.go
@@ -1,18 +1,9 @@
package images
import (
- "context"
- "fmt"
- "os"
- "strings"
- "text/tabwriter"
- "text/template"
-
- "github.com/containers/buildah/pkg/formats"
- "github.com/containers/libpod/cmd/podman/common"
+ "github.com/containers/libpod/cmd/podman/inspect"
"github.com/containers/libpod/cmd/podman/registry"
"github.com/containers/libpod/pkg/domain/entities"
- "github.com/pkg/errors"
"github.com/spf13/cobra"
)
@@ -21,8 +12,8 @@ var (
inspectCmd = &cobra.Command{
Use: "inspect [flags] IMAGE",
Short: "Display the configuration of an image",
- Long: `Displays the low-level information on an image identified by name or ID.`,
- RunE: inspect,
+ Long: `Displays the low-level information of an image identified by name or ID.`,
+ RunE: inspectExec,
Example: `podman inspect alpine
podman inspect --format "imageId: {{.Id}} size: {{.Size}}" alpine
podman inspect --format "image: {{.ImageName}} driver: {{.Driver}}" myctr`,
@@ -36,78 +27,11 @@ func init() {
Command: inspectCmd,
Parent: imageCmd,
})
- inspectOpts = common.AddInspectFlagSet(inspectCmd)
-}
-
-func inspect(cmd *cobra.Command, args []string) error {
- if inspectOpts.Size {
- return fmt.Errorf("--size can only be used for containers")
- }
- if inspectOpts.Latest {
- return fmt.Errorf("--latest can only be used for containers")
- }
- if len(args) == 0 {
- return errors.Errorf("image name must be specified: podman image inspect [options [...]] name")
- }
-
- results, err := registry.ImageEngine().Inspect(context.Background(), args, *inspectOpts)
- if err != nil {
- return err
- }
-
- if len(results.Images) > 0 {
- if inspectOpts.Format == "" {
- buf, err := json.MarshalIndent(results.Images, "", " ")
- if err != nil {
- return err
- }
- fmt.Println(string(buf))
-
- for id, e := range results.Errors {
- fmt.Fprintf(os.Stderr, "%s: %s\n", id, e.Error())
- }
- return nil
- }
- row := inspectFormat(inspectOpts.Format)
- format := "{{range . }}" + row + "{{end}}"
- tmpl, err := template.New("inspect").Parse(format)
- if err != nil {
- return err
- }
-
- w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
- defer func() { _ = w.Flush() }()
- err = tmpl.Execute(w, results.Images)
- if err != nil {
- return err
- }
- }
-
- var lastErr error
- for id, e := range results.Errors {
- if lastErr != nil {
- fmt.Fprintf(os.Stderr, "%s: %s\n", id, lastErr.Error())
- }
- lastErr = e
- }
- return lastErr
-}
-
-func inspectFormat(row string) string {
- r := strings.NewReplacer("{{.Id}}", formats.IDString,
- ".Src", ".Source",
- ".Dst", ".Destination",
- ".ImageID", ".Image",
- )
- row = r.Replace(row)
-
- if !strings.HasSuffix(row, "\n") {
- row += "\n"
- }
- return row
+ inspectOpts = inspect.AddInspectFlagSet(inspectCmd)
+ flags := inspectCmd.Flags()
+ _ = flags.MarkHidden("latest") // Shared with container-inspect but not wanted here.
}
-func Inspect(cmd *cobra.Command, args []string, options *entities.InspectOptions) error {
- inspectOpts = options
- return inspect(cmd, args)
+func inspectExec(cmd *cobra.Command, args []string) error {
+ return inspect.Inspect(args, *inspectOpts)
}
diff --git a/cmd/podman/inspect.go b/cmd/podman/inspect.go
index 93bf58bdd..a5fdaedc2 100644
--- a/cmd/podman/inspect.go
+++ b/cmd/podman/inspect.go
@@ -1,31 +1,26 @@
package main
import (
- "fmt"
-
- "github.com/containers/libpod/cmd/podman/common"
- "github.com/containers/libpod/cmd/podman/containers"
- "github.com/containers/libpod/cmd/podman/images"
+ "github.com/containers/libpod/cmd/podman/inspect"
"github.com/containers/libpod/cmd/podman/registry"
"github.com/containers/libpod/pkg/domain/entities"
"github.com/spf13/cobra"
)
-// Inspect is one of the outlier commands in that it operates on images/containers/...
-
var (
- inspectOpts *entities.InspectOptions
-
// Command: podman _inspect_ Object_ID
inspectCmd = &cobra.Command{
Use: "inspect [flags] {CONTAINER_ID | IMAGE_ID}",
Short: "Display the configuration of object denoted by ID",
Long: "Displays the low-level information on an object identified by name or ID",
TraverseChildren: true,
- RunE: inspect,
- Example: `podman inspect alpine
- podman inspect --format "imageId: {{.Id}} size: {{.Size}}" alpine`,
+ RunE: inspectExec,
+ Example: `podman inspect fedora
+ podman inspect --type image fedora
+ podman inspect CtrID ImgID
+ podman inspect --format "imageId: {{.Id}} size: {{.Size}}" fedora`,
}
+ inspectOpts *entities.InspectOptions
)
func init() {
@@ -33,26 +28,9 @@ func init() {
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: inspectCmd,
})
- inspectOpts = common.AddInspectFlagSet(inspectCmd)
- flags := inspectCmd.Flags()
- flags.StringVarP(&inspectOpts.Type, "type", "t", "", "Return JSON for specified type, (image or container) (default \"all\")")
- if !registry.IsRemote() {
- flags.BoolVarP(&inspectOpts.Latest, "latest", "l", false, "Act on the latest container podman is aware of (containers only)")
- }
+ inspectOpts = inspect.AddInspectFlagSet(inspectCmd)
}
-func inspect(cmd *cobra.Command, args []string) error {
- switch inspectOpts.Type {
- case "image":
- return images.Inspect(cmd, args, inspectOpts)
- case "container":
- return containers.Inspect(cmd, args, inspectOpts)
- case "":
- if err := images.Inspect(cmd, args, inspectOpts); err == nil {
- return nil
- }
- return containers.Inspect(cmd, args, inspectOpts)
- default:
- return fmt.Errorf("invalid type %q is must be 'container' or 'image'", inspectOpts.Type)
- }
+func inspectExec(cmd *cobra.Command, args []string) error {
+ return inspect.Inspect(args, *inspectOpts)
}
diff --git a/cmd/podman/inspect/inspect.go b/cmd/podman/inspect/inspect.go
new file mode 100644
index 000000000..223ce00f0
--- /dev/null
+++ b/cmd/podman/inspect/inspect.go
@@ -0,0 +1,159 @@
+package inspect
+
+import (
+ "context"
+ "fmt"
+ "strings"
+
+ "github.com/containers/buildah/pkg/formats"
+ "github.com/containers/libpod/cmd/podman/registry"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/pkg/errors"
+ "github.com/spf13/cobra"
+)
+
+const (
+ // ImageType is the image type.
+ ImageType = "image"
+ // ContainerType is the container type.
+ ContainerType = "container"
+ // AllType can be of type ImageType or ContainerType.
+ AllType = "all"
+)
+
+// AddInspectFlagSet takes a command and adds the inspect flags and returns an
+// InspectOptions object.
+func AddInspectFlagSet(cmd *cobra.Command) *entities.InspectOptions {
+ opts := entities.InspectOptions{}
+
+ flags := cmd.Flags()
+ flags.BoolVarP(&opts.Size, "size", "s", false, "Display total file size")
+ flags.StringVarP(&opts.Format, "format", "f", "json", "Format the output to a Go template or json")
+ flags.StringVarP(&opts.Type, "type", "t", AllType, fmt.Sprintf("Specify inspect-oject type (%q, %q or %q)", ImageType, ContainerType, AllType))
+ flags.BoolVarP(&opts.Latest, "latest", "l", false, "Act on the latest container Podman is aware of")
+
+ return &opts
+}
+
+// Inspect inspects the specified container/image names or IDs.
+func Inspect(namesOrIDs []string, options entities.InspectOptions) error {
+ inspector, err := newInspector(options)
+ if err != nil {
+ return err
+ }
+ return inspector.inspect(namesOrIDs)
+}
+
+// inspector allows for inspecting images and containers.
+type inspector struct {
+ containerEngine entities.ContainerEngine
+ imageEngine entities.ImageEngine
+ options entities.InspectOptions
+}
+
+// newInspector creates a new inspector based on the specified options.
+func newInspector(options entities.InspectOptions) (*inspector, error) {
+ switch options.Type {
+ case ImageType, ContainerType, AllType:
+ // Valid types.
+ default:
+ return nil, errors.Errorf("invalid type %q: must be %q, %q or %q", options.Type, ImageType, ContainerType, AllType)
+ }
+ if options.Type == ImageType {
+ if options.Latest {
+ return nil, errors.Errorf("latest is not supported for type %q", ImageType)
+ }
+ if options.Size {
+ return nil, errors.Errorf("size is not supported for type %q", ImageType)
+ }
+ }
+ return &inspector{
+ containerEngine: registry.ContainerEngine(),
+ imageEngine: registry.ImageEngine(),
+ options: options,
+ }, nil
+}
+
+// inspect inspects the specified container/image names or IDs.
+func (i *inspector) inspect(namesOrIDs []string) error {
+ // data - dumping place for inspection results.
+ var data []interface{}
+ ctx := context.Background()
+
+ if len(namesOrIDs) == 0 {
+ if !i.options.Latest {
+ return errors.New("no containers or images specified")
+ }
+ }
+
+ tmpType := i.options.Type
+ if i.options.Latest {
+ if len(namesOrIDs) > 0 {
+ return errors.New("latest and containers are not allowed")
+ }
+ tmpType = ContainerType // -l works with --type=all
+ }
+
+ // Inspect - note that AllType requires us to expensively query one-by-one.
+ switch tmpType {
+ case AllType:
+ all, err := i.inspectAll(ctx, namesOrIDs)
+ if err != nil {
+ return err
+ }
+ data = all
+ case ImageType:
+ imgData, err := i.imageEngine.Inspect(ctx, namesOrIDs, i.options)
+ if err != nil {
+ return err
+ }
+ for i := range imgData {
+ data = append(data, imgData[i])
+ }
+ case ContainerType:
+ ctrData, err := i.containerEngine.ContainerInspect(ctx, namesOrIDs, i.options)
+ if err != nil {
+ return err
+ }
+ for i := range ctrData {
+ data = append(data, ctrData[i])
+ }
+ default:
+ return errors.Errorf("invalid type %q: must be %q, %q or %q", i.options.Type, ImageType, ContainerType, AllType)
+ }
+
+ var out formats.Writer
+ if i.options.Format == "json" || i.options.Format == "" { // "" for backwards compat
+ out = formats.JSONStructArray{Output: data}
+ } else {
+ out = formats.StdoutTemplateArray{Output: data, Template: inspectFormat(i.options.Format)}
+ }
+ return out.Out()
+}
+
+func (i *inspector) inspectAll(ctx context.Context, namesOrIDs []string) ([]interface{}, error) {
+ var data []interface{}
+ for _, name := range namesOrIDs {
+ imgData, err := i.imageEngine.Inspect(ctx, []string{name}, i.options)
+ if err == nil {
+ data = append(data, imgData[0])
+ continue
+ }
+ ctrData, err := i.containerEngine.ContainerInspect(ctx, []string{name}, i.options)
+ if err != nil {
+ return nil, err
+ }
+ data = append(data, ctrData[0])
+ }
+ return data, nil
+}
+
+func inspectFormat(row string) string {
+ r := strings.NewReplacer(
+ "{{.Id}}", formats.IDString,
+ ".Src", ".Source",
+ ".Dst", ".Destination",
+ ".ImageID", ".Image",
+ )
+ return r.Replace(row)
+}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-30 21:24:33 +0000