portainer/api/http/handler/templates/template_list.go

51 lines
1.7 KiB
Go

package templates
import (
"io/ioutil"
"net/http"
httperror "github.com/portainer/portainer/http/error"
"github.com/portainer/portainer/http/request"
"github.com/portainer/portainer/http/response"
)
// GET request on /api/templates?key=<key>
func (handler *Handler) templateList(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
key, err := request.RetrieveQueryParameter(r, "key", false)
if err != nil {
return &httperror.HandlerError{http.StatusBadRequest, "Invalid query parameter: key", err}
}
templatesURL, templateErr := handler.retrieveTemplateURLFromKey(key)
if templateErr != nil {
return templateErr
}
resp, err := http.Get(templatesURL)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve templates via the network", err}
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to read template response", err}
}
return response.Bytes(w, body, "application/json")
}
func (handler *Handler) retrieveTemplateURLFromKey(key string) (string, *httperror.HandlerError) {
switch key {
case "containers":
settings, err := handler.SettingsService.Settings()
if err != nil {
return "", &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve settings from the database", err}
}
return settings.TemplatesURL, nil
case "linuxserver.io":
return containerTemplatesURLLinuxServerIo, nil
}
return "", &httperror.HandlerError{http.StatusBadRequest, "Invalid value for query parameter: key. Value must be one of: containers or linuxserver.io", request.ErrInvalidQueryParameter}
}