162 lines
3.6 KiB
Go
162 lines
3.6 KiB
Go
//go:build integration
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// +build integration
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package headscale
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import (
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"bytes"
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"fmt"
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"strings"
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"time"
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"github.com/ory/dockertest/v3"
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"github.com/ory/dockertest/v3/docker"
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"inet.af/netaddr"
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)
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const DOCKER_EXECUTE_TIMEOUT = 10 * time.Second
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var (
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IpPrefix4 = netaddr.MustParseIPPrefix("100.64.0.0/10")
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IpPrefix6 = netaddr.MustParseIPPrefix("fd7a:115c:a1e0::/48")
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tailscaleVersions = []string{"1.22.0", "1.20.4", "1.18.2", "1.16.2", "1.14.3", "1.12.3"}
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)
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type TestNamespace struct {
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count int
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tailscales map[string]dockertest.Resource
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}
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type ExecuteCommandConfig struct {
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timeout time.Duration
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}
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type ExecuteCommandOption func(*ExecuteCommandConfig) error
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func ExecuteCommandTimeout(timeout time.Duration) ExecuteCommandOption {
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return ExecuteCommandOption(func(conf *ExecuteCommandConfig) error {
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conf.timeout = timeout
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return nil
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})
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}
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func ExecuteCommand(
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resource *dockertest.Resource,
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cmd []string,
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env []string,
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options ...ExecuteCommandOption,
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) (string, error) {
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var stdout bytes.Buffer
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var stderr bytes.Buffer
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execConfig := ExecuteCommandConfig{
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timeout: DOCKER_EXECUTE_TIMEOUT,
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}
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for _, opt := range options {
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if err := opt(&execConfig); err != nil {
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return "", fmt.Errorf("execute-command/options: %w", err)
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}
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}
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type result struct {
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exitCode int
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err error
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}
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resultChan := make(chan result, 1)
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// Run your long running function in it's own goroutine and pass back it's
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// response into our channel.
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go func() {
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exitCode, err := resource.Exec(
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cmd,
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dockertest.ExecOptions{
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Env: append(env, "HEADSCALE_LOG_LEVEL=disabled"),
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StdOut: &stdout,
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StdErr: &stderr,
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},
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)
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resultChan <- result{exitCode, err}
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}()
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// Listen on our channel AND a timeout channel - which ever happens first.
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select {
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case res := <-resultChan:
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if res.err != nil {
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return "", res.err
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}
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if res.exitCode != 0 {
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fmt.Println("Command: ", cmd)
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fmt.Println("stdout: ", stdout.String())
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fmt.Println("stderr: ", stderr.String())
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return "", fmt.Errorf("command failed with: %s", stderr.String())
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}
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return stdout.String(), nil
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case <-time.After(execConfig.timeout):
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return "", fmt.Errorf("command timed out after %s", execConfig.timeout)
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}
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}
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func DockerRestartPolicy(config *docker.HostConfig) {
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// set AutoRemove to true so that stopped container goes away by itself on error *immediately*.
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// when set to false, containers remain until the end of the integration test.
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config.AutoRemove = false
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config.RestartPolicy = docker.RestartPolicy{
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Name: "no",
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}
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}
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func DockerAllowLocalIPv6(config *docker.HostConfig) {
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if config.Sysctls == nil {
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config.Sysctls = make(map[string]string, 1)
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}
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config.Sysctls["net.ipv6.conf.all.disable_ipv6"] = "0"
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}
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func DockerAllowNetworkAdministration(config *docker.HostConfig) {
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config.CapAdd = append(config.CapAdd, "NET_ADMIN")
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config.Mounts = append(config.Mounts, docker.HostMount{
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Type: "bind",
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Source: "/dev/net/tun",
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Target: "/dev/net/tun",
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})
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}
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func getIPs(
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tailscales map[string]dockertest.Resource,
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) (map[string][]netaddr.IP, error) {
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ips := make(map[string][]netaddr.IP)
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for hostname, tailscale := range tailscales {
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command := []string{"tailscale", "ip"}
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result, err := ExecuteCommand(
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&tailscale,
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command,
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[]string{},
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)
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if err != nil {
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return nil, err
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}
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for _, address := range strings.Split(result, "\n") {
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address = strings.TrimSuffix(address, "\n")
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if len(address) < 1 {
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continue
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}
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ip, err := netaddr.ParseIP(address)
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if err != nil {
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return nil, err
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}
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ips[hostname] = append(ips[hostname], ip)
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}
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}
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return ips, nil
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}
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