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package network
import (
"errors"
"fmt"
"os"
"text/tabwriter"
"github.com/docker/swarmkit/api"
"github.com/docker/swarmkit/cmd/swarmctl/common"
"github.com/spf13/cobra"
)
var (
inspectCmd = &cobra.Command{
Use: "inspect <network ID>",
Short: "Inspect a network",
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errors.New("network ID missing")
}
if len(args) > 1 {
return errors.New("inspect command takes exactly 1 argument")
}
c, err := common.Dial(cmd)
if err != nil {
return err
}
network, err := GetNetwork(common.Context(cmd), c, args[0])
if err != nil {
return err
}
printNetworkSummary(network)
return nil
},
}
)
func printNetworkSummary(network *api.Network) {
w := tabwriter.NewWriter(os.Stdout, 8, 8, 8, ' ', 0)
defer func() {
// Ignore flushing errors - there's nothing we can do.
_ = w.Flush()
}()
spec := &network.Spec
common.FprintfIfNotEmpty(w, "ID\t: %s\n", network.ID)
common.FprintfIfNotEmpty(w, "Name\t: %s\n", spec.Annotations.Name)
fmt.Fprintln(w, "Spec:\t")
if len(spec.Annotations.Labels) > 0 {
fmt.Fprintln(w, " Labels:\t")
for k, v := range spec.Annotations.Labels {
fmt.Fprintf(w, " %s = %s\n", k, v)
}
}
fmt.Fprintf(w, " IPv6Enabled\t: %t\n", spec.Ipv6Enabled)
fmt.Fprintf(w, " Internal\t: %t\n", spec.Internal)
driver := network.DriverState
if driver != nil {
fmt.Fprintln(w, "Driver:\t")
common.FprintfIfNotEmpty(w, " Name\t: %s\n", driver.Name)
if len(driver.Options) > 0 {
fmt.Fprintln(w, " Options:\t")
for k, v := range driver.Options {
fmt.Fprintf(w, " %s = %s\n", k, v)
}
}
}
ipam := network.IPAM
if ipam != nil {
fmt.Fprintln(w, "IPAM:\t")
if ipam.Driver != nil {
fmt.Fprintln(w, " Driver:\t")
common.FprintfIfNotEmpty(w, " Name\t: %s\n", ipam.Driver.Name)
if len(ipam.Driver.Options) > 0 {
fmt.Fprintln(w, " Options:\t")
for k, v := range ipam.Driver.Options {
fmt.Fprintf(w, " %s = %s\n", k, v)
}
}
}
if len(ipam.Configs) > 0 {
for _, config := range ipam.Configs {
fmt.Fprintln(w, " IPAM Config:\t")
common.FprintfIfNotEmpty(w, " Family\t: %s\n", config.Family.String())
common.FprintfIfNotEmpty(w, " Subnet\t: %s\n", config.Subnet)
common.FprintfIfNotEmpty(w, " Range\t: %s\n", config.Range)
common.FprintfIfNotEmpty(w, " Range\t: %s\n", config.Range)
common.FprintfIfNotEmpty(w, " Gateway\t: %s\n", config.Gateway)
if len(config.Reserved) > 0 {
fmt.Fprintln(w, " Reserved:\t")
for k, v := range config.Reserved {
fmt.Fprintf(w, " %s = %s\n", k, v)
}
}
}
}
}
}
|
