Files
mgmt/integration/util.go
2024-03-05 01:05:50 -05:00

78 lines
2.6 KiB
Go

// Mgmt
// Copyright (C) 2013-2024+ James Shubin and the project contributors
// Written by James Shubin <james@shubin.ca> and the project contributors
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
// Additional permission under GNU GPL version 3 section 7
//
// If you modify this program, or any covered work, by linking or combining it
// with embedded mcl code and modules (and that the embedded mcl code and
// modules which link with this program, contain a copy of their source code in
// the authoritative form) containing parts covered by the terms of any other
// license, the licensors of this program grant you additional permission to
// convey the resulting work. Furthermore, the licensors of this program grant
// the original author, James Shubin, additional permission to update this
// additional permission if he deems it necessary to achieve the goals of this
// additional permission.
package integration
import (
"fmt"
"net"
"net/url"
"path"
"path/filepath"
"runtime"
"strconv"
"github.com/purpleidea/mgmt/util/errwrap"
)
const (
binaryName = "mgmt"
)
// BinaryPath returns the full path to an mgmt binary. It expects that someone
// will run `make build` or something equivalent to produce a binary before this
// function runs.
func BinaryPath() (string, error) {
_, file, _, ok := runtime.Caller(0)
if !ok {
return "", fmt.Errorf("can't determine binary path")
}
dir := filepath.Dir(file) // dir that this file is contained in
root := filepath.Dir(dir) // we're in the parent dir to that
return path.Join(root, binaryName), nil
}
// ParsePort parses a URL and returns the port that was found.
func ParsePort(input string) (int, error) {
u, err := url.Parse(input)
if err != nil {
return 0, errwrap.Wrapf(err, "could not parse URL")
}
_, sport, err := net.SplitHostPort(u.Host)
if err != nil {
return 0, errwrap.Wrapf(err, "could not get port")
}
port, err := strconv.Atoi(sport)
if err != nil {
return 0, errwrap.Wrapf(err, "could not parse port")
}
return port, nil
}