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tstest/integration: add tests for tun mode (requiring root)

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Updates #7894

Change-Id: Iff0b07b21ae28c712dd665b12918fa28d6f601d0
Co-authored-by: Maisem Ali <maisem@tailscale.com>
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2023-10-13 12:29:28 -07:00
committed by Brad Fitzpatrick
parent a6270826a3
commit c363b9055d
5 changed files with 80 additions and 24 deletions
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10
tstest/integration/integration.go
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@ -142,6 +142,16 @@ func findGo() (string, error) {
// 2. Look for a go binary in runtime.GOROOT()/bin if runtime.GOROOT() is non-empty.
// 3. Look for a go binary in $PATH.
// For tests we want to run as root on GitHub actions, we run with -exec=sudo,
// but that results in this test running with a different PATH and picking the
// wrong Go. So hard code the GitHub Actions case.
if os.Getuid() == 0 && os.Getenv("GITHUB_ACTIONS") == "true" {
const sudoGithubGo = "/home/runner/.cache/tailscale-go/bin/go"
if _, err := os.Stat(sudoGithubGo); err == nil {
return sudoGithubGo, nil
}
}
paths := strings.FieldsFunc(os.Getenv("PATH"), func(r rune) bool { return os.IsPathSeparator(uint8(r)) })
if len(paths) > 0 {
candidate := filepath.Join(paths[0], "go"+exe())