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

117 lines
3.0 KiB
Go

package service
import (
"context"
"fmt"
"os"
"slices"
"text/tabwriter"
"time"
"github.com/docker/docker/pkg/stringid"
"github.com/docker/go-units"
"github.com/psviderski/uncloud/internal/cli"
"github.com/psviderski/uncloud/pkg/api"
"github.com/spf13/cobra"
)
type inspectOptions struct {
service string
}
func NewInspectCommand(groupID string) *cobra.Command {
opts := inspectOptions{}
cmd := &cobra.Command{
Use: "inspect SERVICE",
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)
},
GroupID: groupID,
}
return cmd
}
func inspect(ctx context.Context, uncli *cli.CLI, opts inspectOptions) error {
client, err := uncli.ConnectCluster(ctx)
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, nil)
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("Service ID: %s\n", svc.ID)
fmt.Printf("Name: %s\n", svc.Name)
fmt.Printf("Mode: %s\n", svc.Mode)
fmt.Println()
// Parse created times for sorting and display.
createdTimes := make(map[string]time.Time, len(svc.Containers))
for _, ctr := range svc.Containers {
createdTimes[ctr.Container.ID], _ = time.Parse(time.RFC3339Nano, ctr.Container.Created)
}
// Sort containers by created time (newest first).
slices.SortFunc(svc.Containers, func(a, b api.MachineServiceContainer) int {
return createdTimes[b.Container.ID].Compare(createdTimes[a.Container.ID])
})
// 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\tIP ADDRESS\tMACHINE"); err != nil {
return fmt.Errorf("write header: %w", err)
}
now := time.Now().UTC()
for _, ctr := range svc.Containers {
created := units.HumanDuration(now.Sub(createdTimes[ctr.Container.ID])) + " ago"
machine := machinesNamesByID[ctr.MachineID]
if machine == "" {
machine = ctr.MachineID
}
state, err := ctr.Container.HumanState()
if err != nil {
return fmt.Errorf("get human state: %w", err)
}
ip := ctr.Container.UncloudNetworkIP()
ipStr := ""
// The container might not have an IP if it's not running or uses the host network.
if ip.IsValid() {
ipStr = ip.String()
}
_, err = fmt.Fprintf(
tw,
"%s\t%s\t%s\t%s\t%s\t%s\n",
stringid.TruncateID(ctr.Container.ID),
ctr.Container.Config.Image,
created,
state,
ipStr,
machine,
)
if err != nil {
return fmt.Errorf("write row: %w", err)
}
}
return tw.Flush()
}