blob: ce080d50d5029df9367f46e1b44d37405f7ecd2d [file] [log] [blame]
package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"os/exec"
"strings"
"time"
"github.com/go-check/check"
)
type testCondition func() bool
type testRequirement struct {
Condition testCondition
SkipMessage string
}
// List test requirements
var (
daemonExecDriver string
SameHostDaemon = testRequirement{
func() bool { return isLocalDaemon },
"Test requires docker daemon to runs on the same machine as CLI",
}
UnixCli = testRequirement{
func() bool { return isUnixCli },
"Test requires posix utilities or functionality to run.",
}
ExecSupport = testRequirement{
func() bool { return supportsExec },
"Test requires 'docker exec' capabilities on the tested daemon.",
}
Network = testRequirement{
func() 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
},
"Test requires network availability, environment variable set to none to run in a non-network enabled mode.",
}
Apparmor = testRequirement{
func() bool {
buf, err := ioutil.ReadFile("/sys/module/apparmor/parameters/enabled")
return err == nil && len(buf) > 1 && buf[0] == 'Y'
},
"Test requires apparmor is enabled.",
}
RegistryHosting = testRequirement{
func() 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(v2binary)
return err == nil
},
fmt.Sprintf("Test requires an environment that can host %s in the same host", v2binary),
}
NotaryHosting = testRequirement{
func() bool {
// for now notary binary is built only if we're running inside
// container through `make test`. Figure that out by testing if
// notary-server binary is in PATH.
_, err := exec.LookPath(notaryBinary)
return err == nil
},
fmt.Sprintf("Test requires an environment that can host %s in the same host", notaryBinary),
}
NativeExecDriver = testRequirement{
func() bool {
if daemonExecDriver == "" {
// get daemon info
status, body, err := sockRequest("GET", "/info", nil)
if err != nil || status != http.StatusOK {
log.Fatalf("sockRequest failed for /info: %v", err)
}
type infoJSON struct {
ExecutionDriver string
}
var info infoJSON
if err = json.Unmarshal(body, &info); err != nil {
log.Fatalf("unable to unmarshal body: %v", err)
}
daemonExecDriver = info.ExecutionDriver
}
return strings.HasPrefix(daemonExecDriver, "native")
},
"Test requires the native (libcontainer) exec driver.",
}
NotOverlay = testRequirement{
func() bool {
cmd := exec.Command("grep", "^overlay / overlay", "/proc/mounts")
if err := cmd.Run(); err != nil {
return true
}
return false
},
"Test requires underlying root filesystem not be backed by overlay.",
}
IPv6 = testRequirement{
func() bool {
cmd := exec.Command("test", "-f", "/proc/net/if_inet6")
if err := cmd.Run(); err != nil {
return true
}
return false
},
"Test requires support for IPv6",
}
)
// testRequires checks if the environment satisfies the requirements
// for the test to run or skips the tests.
func testRequires(c *check.C, requirements ...testRequirement) {
for _, r := range requirements {
if !r.Condition() {
c.Skip(r.SkipMessage)
}
}
}