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|
package network
import (
"encoding/json"
"fmt"
"io"
"os"
"strings"
"text/template"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/spf13/cobra"
)
var (
networkinspectDescription = `Inspect network`
networkinspectCommand = &cobra.Command{
Use: "inspect [flags] NETWORK [NETWORK...]",
Short: "network inspect",
Long: networkinspectDescription,
RunE: networkInspect,
Example: `podman network inspect podman`,
Args: cobra.MinimumNArgs(1),
Annotations: map[string]string{
registry.ParentNSRequired: "",
},
}
)
var (
networkInspectOptions entities.NetworkInspectOptions
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: networkinspectCommand,
Parent: networkCmd,
})
flags := networkinspectCommand.Flags()
flags.StringVarP(&networkInspectOptions.Format, "format", "f", "", "Pretty-print network to JSON or using a Go template")
}
func networkInspect(cmd *cobra.Command, args []string) error {
responses, err := registry.ContainerEngine().NetworkInspect(registry.Context(), args, entities.NetworkInspectOptions{})
if err != nil {
return err
}
b, err := json.MarshalIndent(responses, "", " ")
if err != nil {
return err
}
if strings.ToLower(networkInspectOptions.Format) == "json" || networkInspectOptions.Format == "" {
fmt.Println(string(b))
} else {
var w io.Writer = os.Stdout
//There can be more than 1 in the inspect output.
format := "{{range . }}" + networkInspectOptions.Format + "{{end}}"
tmpl, err := template.New("inspectNetworks").Parse(format)
if err != nil {
return err
}
if err := tmpl.Execute(w, responses); err != nil {
return err
}
if flusher, ok := w.(interface{ Flush() error }); ok {
return flusher.Flush()
}
}
return nil
}
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