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