envknob: add new package for all the strconv.ParseBool(os.Getenv(..))

A new package can also later record/report which knobs are checked and
set. It also makes the code cleaner & easier to grep for env knobs.

Change-Id: Id8a123ab7539f1fadbd27e0cbeac79c2e4f09751
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2022-01-24 10:52:57 -08:00
committed by Brad Fitzpatrick
parent 6feb8f4c51
commit 41fd4eab5c
39 changed files with 195 additions and 128 deletions

View File

@@ -7,10 +7,8 @@ package dns
import (
"errors"
"fmt"
"os"
"os/exec"
"sort"
"strconv"
"strings"
"syscall"
"time"
@@ -19,6 +17,7 @@ import (
"golang.org/x/sys/windows/registry"
"golang.zx2c4.com/wireguard/windows/tunnel/winipcfg"
"inet.af/netaddr"
"tailscale.com/envknob"
"tailscale.com/types/logger"
"tailscale.com/util/dnsname"
)
@@ -36,7 +35,7 @@ const (
versionKey = `SOFTWARE\Microsoft\Windows NT\CurrentVersion`
)
var configureWSL, _ = strconv.ParseBool(os.Getenv("TS_DEBUG_CONFIGURE_WSL"))
var configureWSL = envknob.Bool("TS_DEBUG_CONFIGURE_WSL")
type windowsManager struct {
logf logger.Logf