Files
uncloud/cmd/uncloud/service/inspect.go
T

96 lines
2.2 KiB
Go

package service
import (
"context"
"fmt"
"github.com/docker/docker/pkg/stringid"
"github.com/docker/go-units"
"os"
"text/tabwriter"
"time"
"github.com/spf13/cobra"
"uncloud/internal/cli"
)
type inspectOptions struct {
service string
cluster string
}
func NewInspectCommand() *cobra.Command {
opts := inspectOptions{}
cmd := &cobra.Command{
Use: "inspect",
Short: "Display detailed information on a service.",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
uncli := cmd.Context().Value("cli").(*cli.CLI)
opts.service = args[0]
return inspect(cmd.Context(), uncli, opts)
},
}
cmd.Flags().StringVarP(
&opts.cluster, "cluster", "c", "",
"Name of the cluster. (default is the current cluster)",
)
return cmd
}
func inspect(ctx context.Context, uncli *cli.CLI, opts inspectOptions) error {
client, err := uncli.ConnectCluster(ctx, opts.cluster)
if err != nil {
return fmt.Errorf("connect to cluster: %w", err)
}
defer client.Close()
svc, err := client.InspectService(ctx, opts.service)
if err != nil {
return fmt.Errorf("inspect service: %w", err)
}
machines, err := client.ListMachines(ctx)
if err != nil {
return fmt.Errorf("list machines: %w", err)
}
machinesNamesByID := make(map[string]string)
for _, m := range machines {
machinesNamesByID[m.Machine.Id] = m.Machine.Name
}
fmt.Printf("ID: %s\n", svc.ID)
fmt.Printf("Name: %s\n", svc.Name)
fmt.Printf("Mode: %s\n", svc.Mode)
fmt.Println()
// Print the list of containers in a table format.
tw := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)
if _, err = fmt.Fprintln(tw, "CONTAINER ID\tIMAGE\tCREATED\tSTATUS\tMACHINE"); err != nil {
return fmt.Errorf("write header: %w", err)
}
for _, ctr := range svc.Containers {
createdAt := time.Unix(ctr.Container.Created, 0)
created := units.HumanDuration(time.Now().UTC().Sub(createdAt)) + " ago"
machine := machinesNamesByID[ctr.MachineID]
if machine == "" {
machine = ctr.MachineID
}
_, err = fmt.Fprintf(
tw,
"%s\t%s\t%s\t%s\t%s\n",
stringid.TruncateID(ctr.Container.ID),
ctr.Container.Image,
created,
ctr.Container.Status,
machine,
)
if err != nil {
return fmt.Errorf("write row: %w", err)
}
}
return tw.Flush()
}