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cmd/appc: add --print-ula flag

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Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali 2024-05-15 11:29:15 -04:00
parent e2f8436adb
commit 436794cf7a
1 changed files with 5 additions and 0 deletions
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5
cmd/appc/appc.go
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@ -45,11 +45,16 @@ func main() {
siteID = fs.Uint("site-id", 1, "an integer site ID to use for the ULA prefix which allows for multiple proxies to act in a HA configuration") siteID = fs.Uint("site-id", 1, "an integer site ID to use for the ULA prefix which allows for multiple proxies to act in a HA configuration")
v4Prefixes = fs.String("v4-pfx", "100.64.1.0/24", "comma-separated list of IPv4 prefixes to advertise") v4Prefixes = fs.String("v4-pfx", "100.64.1.0/24", "comma-separated list of IPv4 prefixes to advertise")
verboseTSNet = fs.Bool("verbose-tsnet", false, "enable verbose logging in tsnet") verboseTSNet = fs.Bool("verbose-tsnet", false, "enable verbose logging in tsnet")
printULA = fs.Bool("print-ula", false, "print the ULA prefix and exit")
) )
err := ff.Parse(fs, os.Args[1:], ff.WithEnvVarPrefix("TS_APPC")) err := ff.Parse(fs, os.Args[1:], ff.WithEnvVarPrefix("TS_APPC"))
if err != nil { if err != nil {
log.Fatal("ff.Parse") log.Fatal("ff.Parse")
} }
if *printULA {
fmt.Println(ula(uint16(*siteID)))
return
}
ctx, cancel := context.WithCancel(context.Background()) ctx, cancel := context.WithCancel(context.Background())
defer cancel() defer cancel()