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upload_license.go
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upload_license.go
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package upload
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"os"
"github.com/pkg/errors"
"github.com/replicatedhq/kots/pkg/auth"
"github.com/replicatedhq/kots/pkg/k8sutil"
"github.com/replicatedhq/kots/pkg/logger"
)
type UploadLicenseOptions struct {
Namespace string
NewAppName string
}
func UploadLicense(path string, uploadLicenseOptions UploadLicenseOptions) error {
b, err := os.ReadFile(path)
if err != nil {
return errors.Wrap(err, "failed to read license file")
}
license := string(b)
// Make sure we have a name or slug
if uploadLicenseOptions.NewAppName == "" {
appName, err := relentlesslyPromptForAppName("")
if err != nil {
return errors.Wrap(err, "failed to prompt for app name")
}
uploadLicenseOptions.NewAppName = appName
}
// Find the kotadm-api pod
log := logger.NewCLILogger(os.Stdout)
log.ActionWithSpinner("Uploading license to Admin Console")
clientset, err := k8sutil.GetClientset()
if err != nil {
log.FinishSpinnerWithError()
return errors.Wrap(err, "failed to get clisnetset")
}
getPodName := func() (string, error) {
return k8sutil.FindKotsadm(clientset, uploadLicenseOptions.Namespace)
}
stopCh := make(chan struct{})
defer close(stopCh)
localPort, errChan, err := k8sutil.PortForward(0, 3000, uploadLicenseOptions.Namespace, getPodName, false, stopCh, log)
if err != nil {
log.FinishSpinnerWithError()
return errors.Wrap(err, "failed to start port forwarding")
}
go func() {
select {
case err := <-errChan:
if err != nil {
log.Error(err)
}
case <-stopCh:
}
}()
// upload using http to the pod directly
req, err := createUploadLicenseRequest(license, uploadLicenseOptions, fmt.Sprintf("http://localhost:%d/api/v1/kots/license", localPort))
if err != nil {
log.FinishSpinnerWithError()
return errors.Wrap(err, "failed to create upload request")
}
resp, err := http.DefaultClient.Do(req)
if err != nil {
log.FinishSpinnerWithError()
return errors.Wrap(err, "failed to execute request")
}
defer resp.Body.Close()
if resp.StatusCode != 201 {
log.FinishSpinnerWithError()
return errors.Errorf("unexpected status code: %d", resp.StatusCode)
}
respBody, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.FinishSpinnerWithError()
return errors.Wrap(err, "failed to read response body")
}
type UploadResponse struct {
URI string `json:"uri"`
}
var uploadResponse UploadResponse
if err := json.Unmarshal(respBody, &uploadResponse); err != nil {
log.FinishSpinnerWithError()
return errors.Wrap(err, "failed to unmarshal response")
}
log.FinishSpinner()
return nil
}
func createUploadLicenseRequest(license string, uploadLicenseOptions UploadLicenseOptions, uri string) (*http.Request, error) {
body := map[string]string{
"name": uploadLicenseOptions.NewAppName,
"license": license,
}
b, err := json.Marshal(body)
if err != nil {
return nil, errors.Wrap(err, "failed to marshal json")
}
clientset, err := k8sutil.GetClientset()
if err != nil {
return nil, errors.Wrap(err, "failed to get k8s clientset")
}
authSlug, err := auth.GetOrCreateAuthSlug(clientset, uploadLicenseOptions.Namespace)
if err != nil {
return nil, errors.Wrap(err, "failed to get kotsadm auth slug")
}
req, err := http.NewRequest("POST", uri, bytes.NewBuffer(b))
if err != nil {
return nil, errors.Wrap(err, "failed to create new request")
}
req.Header.Set("Content-Type", "application/json")
req.Header.Set("Authorization", authSlug)
return req, nil
}