consul/command/connect/envoy/exec_supported.go

56 lines
1.1 KiB
Go

//go:build linux || darwin || windows
// +build linux darwin windows
package envoy
import (
"fmt"
"os"
"strings"
)
func isHotRestartOption(s string) bool {
restartOpts := []string{
"--restart-epoch",
"--hot-restart-version",
"--drain-time-s",
"--parent-shutdown-time-s",
}
for _, opt := range restartOpts {
if s == opt {
return true
}
if strings.HasPrefix(s, opt+"=") {
return true
}
}
return false
}
func hasHotRestartOption(argSets ...[]string) bool {
for _, args := range argSets {
for _, opt := range args {
if isHotRestartOption(opt) {
return true
}
}
}
return false
}
// execArgs returns the command and args used to execute a binary. By default it
// will return a command of os.Executable with the args unmodified. This is a shim
// for testing, and can be overridden to execute using 'go run' instead.
var execArgs = func(args ...string) (string, []string, error) {
execPath, err := os.Executable()
if err != nil {
return "", nil, err
}
if strings.HasSuffix(execPath, "/envoy.test") {
return "", nil, fmt.Errorf("set execArgs to use 'go run' instead of doing a self-exec")
}
return execPath, args, nil
}