wasmcloud/cmd/wasmcloud/handler_list.go

91 lines
1.9 KiB
Go

package main
import (
"context"
"encoding/json"
"flag"
"fmt"
"io"
"log"
"net/http"
"os"
"time"
"github.com/google/subcommands"
"github.com/gosuri/uitable"
)
type handlerListCmd struct {
format string
}
func (h *handlerListCmd) SetFlags(fs *flag.FlagSet) {
fs.StringVar(&h.format, "format", "table", "what format to present output in (table|json)")
}
func (handlerListCmd) Name() string { return "list" }
func (handlerListCmd) Synopsis() string { return "lists handlers you've created" }
func (handlerListCmd) Usage() string {
return `wasmcloud list [options]
$ wasmcloud list
$ wasmcloud list -format json
Shows all of the handlers you have registered with wasmcloud.
Flags:`
}
func (h handlerListCmd) Execute(ctx context.Context, fs *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
req, err := http.NewRequestWithContext(ctx, http.MethodGet, *apiServer+"/api/handler", nil)
if err != nil {
log.Fatal(err)
}
withAPI(req)
resp, err := http.DefaultClient.Do(req)
if err != nil {
log.Fatal(err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
io.Copy(os.Stdout, resp.Body)
return subcommands.ExitFailure
}
switch h.format {
case "json":
io.Copy(os.Stdout, resp.Body)
return subcommands.ExitSuccess
case "table":
type apiResp struct {
CreatedAt time.Time `json:"CreatedAt"`
UpdatedAt time.Time `json:"UpdatedAt"`
Name string `json:"Name"`
CID string `json:"Path"`
}
var result []apiResp
err = json.NewDecoder(resp.Body).Decode(&result)
if err != nil {
log.Fatal(err)
}
table := uitable.New()
table.AddRow("Name", "Created at", "Updated at", "CID")
for _, hdlr := range result {
table.AddRow(
hdlr.Name,
hdlr.CreatedAt.Format(time.RFC3339),
hdlr.UpdatedAt.Format(time.RFC3339),
hdlr.CID,
)
}
fmt.Println(table.String())
}
return subcommands.ExitSuccess
}