package main import ( "context" "fmt" "io/ioutil" "net/http" "os" "os/exec" "strconv" "strings" "time" "github.com/docker/docker/api/types" "github.com/docker/docker/api/types/swarm" "github.com/docker/docker/api/types/versions" "github.com/docker/docker/client" "github.com/docker/docker/integration-cli/requirement" "github.com/docker/docker/internal/test/registry" ) func ArchitectureIsNot(arch string) bool { return os.Getenv("DOCKER_ENGINE_GOARCH") != arch } func DaemonIsWindows() bool { return testEnv.OSType == "windows" } func DaemonIsWindowsAtLeastBuild(buildNumber int) func() bool { return func() bool { if testEnv.OSType != "windows" { return false } version := testEnv.DaemonInfo.KernelVersion numVersion, _ := strconv.Atoi(strings.Split(version, " ")[1]) return numVersion >= buildNumber } } func DaemonIsLinux() bool { return testEnv.OSType == "linux" } func MinimumAPIVersion(version string) func() bool { return func() bool { return versions.GreaterThanOrEqualTo(testEnv.DaemonAPIVersion(), version) } } func OnlyDefaultNetworks() bool { cli, err := client.NewClientWithOpts(client.FromEnv) if err != nil { return false } networks, err := cli.NetworkList(context.TODO(), types.NetworkListOptions{}) if err != nil || len(networks) > 0 { return false } return true } func IsAmd64() bool { return os.Getenv("DOCKER_ENGINE_GOARCH") == "amd64" } func NotArm() bool { return ArchitectureIsNot("arm") } func NotArm64() bool { return ArchitectureIsNot("arm64") } func NotPpc64le() bool { return ArchitectureIsNot("ppc64le") } func UnixCli() bool { return isUnixCli } func Network() bool { // Set a timeout on the GET at 15s var timeout = time.Duration(15 * time.Second) var url = "https://hub.docker.com" client := http.Client{ Timeout: timeout, } resp, err := client.Get(url) if err != nil && strings.Contains(err.Error(), "use of closed network connection") { panic(fmt.Sprintf("Timeout for GET request on %s", url)) } if resp != nil { resp.Body.Close() } return err == nil } func Apparmor() bool { if strings.HasPrefix(testEnv.DaemonInfo.OperatingSystem, "SUSE Linux Enterprise Server ") { return false } buf, err := ioutil.ReadFile("/sys/module/apparmor/parameters/enabled") return err == nil && len(buf) > 1 && buf[0] == 'Y' } func Devicemapper() bool { return strings.HasPrefix(testEnv.DaemonInfo.Driver, "devicemapper") } func IPv6() bool { cmd := exec.Command("test", "-f", "/proc/net/if_inet6") return cmd.Run() != nil } func UserNamespaceROMount() bool { // quick case--userns not enabled in this test run if os.Getenv("DOCKER_REMAP_ROOT") == "" { return true } if _, _, err := dockerCmdWithError("run", "--rm", "--read-only", "busybox", "date"); err != nil { return false } return true } func NotUserNamespace() bool { root := os.Getenv("DOCKER_REMAP_ROOT") return root == "" } func UserNamespaceInKernel() bool { if _, err := os.Stat("/proc/self/uid_map"); os.IsNotExist(err) { /* * This kernel-provided file only exists if user namespaces are * supported */ return false } // We need extra check on redhat based distributions if f, err := os.Open("/sys/module/user_namespace/parameters/enable"); err == nil { defer f.Close() b := make([]byte, 1) _, _ = f.Read(b) return string(b) != "N" } return true } func IsPausable() bool { if testEnv.OSType == "windows" { return testEnv.DaemonInfo.Isolation == "hyperv" } return true } func IsolationIs(expectedIsolation string) bool { return testEnv.OSType == "windows" && string(testEnv.DaemonInfo.Isolation) == expectedIsolation } func IsolationIsHyperv() bool { return IsolationIs("hyperv") } func IsolationIsProcess() bool { return IsolationIs("process") } // RegistryHosting returns whether the host can host a registry (v2) or not func RegistryHosting() bool { // for now registry binary is built only if we're running inside // container through `make test`. Figure that out by testing if // registry binary is in PATH. _, err := exec.LookPath(registry.V2binary) return err == nil } func SwarmInactive() bool { return testEnv.DaemonInfo.Swarm.LocalNodeState == swarm.LocalNodeStateInactive } func TODOBuildkit() bool { return os.Getenv("DOCKER_BUILDKIT") == "" } // testRequires checks if the environment satisfies the requirements // for the test to run or skips the tests. func testRequires(c interface{}, requirements ...requirement.Test) { requirement.Is(c.(requirement.SkipT), requirements...) }