portainer/api/http/handler/helm/helm_show.go

72 lines
2.1 KiB
Go

package helm
import (
"fmt"
"log"
"net/http"
"net/url"
"github.com/pkg/errors"
"github.com/portainer/libhelm/options"
httperror "github.com/portainer/libhttp/error"
"github.com/portainer/libhttp/request"
)
// @id HelmShow
// @summary Show Helm Chart Information
// @description
// @description **Access policy**: authenticated
// @tags helm
// @param repo query string true "Helm repository URL"
// @param chart query string true "Chart name"
// @param command path string true "chart/values/readme"
// @security ApiKeyAuth
// @security jwt
// @accept json
// @produce text/plain
// @success 200 {object} string "Success"
// @failure 401 "Unauthorized"
// @failure 404 "Environment(Endpoint) or ServiceAccount not found"
// @failure 500 "Server error"
// @router /templates/helm/{command} [get]
func (handler *Handler) helmShow(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
repo := r.URL.Query().Get("repo")
if repo == "" {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Bad request", Err: errors.New("missing `repo` query parameter")}
}
_, err := url.ParseRequestURI(repo)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Bad request", Err: errors.Wrap(err, fmt.Sprintf("provided URL %q is not valid", repo))}
}
chart := r.URL.Query().Get("chart")
if chart == "" {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Bad request", Err: errors.New("missing `chart` query parameter")}
}
cmd, err := request.RetrieveRouteVariableValue(r, "command")
if err != nil {
cmd = "all"
log.Printf("[DEBUG] [internal,helm] [message: command not provided, defaulting to %s]", cmd)
}
showOptions := options.ShowOptions{
OutputFormat: options.ShowOutputFormat(cmd),
Chart: chart,
Repo: repo,
}
result, err := handler.helmPackageManager.Show(showOptions)
if err != nil {
return &httperror.HandlerError{
StatusCode: http.StatusInternalServerError,
Message: "Unable to show chart",
Err: err,
}
}
w.Header().Set("Content-Type", "text/plain")
w.Write(result)
return nil
}