cli/pkg/invoke/invoke.go

79 lines
1.7 KiB
Go

// ------------------------------------------------------------
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
// ------------------------------------------------------------
package invoke
import (
"bytes"
"fmt"
"io/ioutil"
"net/http"
"github.com/dapr/cli/pkg/api"
"github.com/dapr/cli/pkg/standalone"
)
// Get invokes the application via HTTP GET.
func Get(appID, method string) (string, error) {
list, err := standalone.List()
if err != nil {
return "", err
}
for _, lo := range list {
if lo.AppID == appID {
url := makeEndpoint(lo, method)
r, err := http.Get(url)
if err != nil {
return "", err
}
defer r.Body.Close()
return handleResponse(r)
}
}
return "", fmt.Errorf("App ID %s not found", appID)
}
// Post invokes the application via HTTP POST.
func Post(appID, method, payload string) (string, error) {
list, err := standalone.List()
if err != nil {
return "", err
}
for _, lo := range list {
if lo.AppID == appID {
url := makeEndpoint(lo, method)
r, err := http.Post(url, "application/json", bytes.NewBuffer([]byte(payload)))
if err != nil {
return "", err
}
defer r.Body.Close()
return handleResponse(r)
}
}
return "", fmt.Errorf("App ID %s not found", appID)
}
func makeEndpoint(lo standalone.ListOutput, method string) string {
return fmt.Sprintf("http://localhost:%s/v%s/invoke/%s/method/%s", fmt.Sprintf("%v", lo.HTTPPort), api.RuntimeAPIVersion, lo.AppID, method)
}
func handleResponse(response *http.Response) (string, error) {
rb, err := ioutil.ReadAll(response.Body)
if err != nil {
return "", err
}
if len(rb) > 0 {
return string(rb), nil
}
return "", nil
}