moby--moby/libnetwork/ipams/remote/remote_test.go

323 lines
7.5 KiB
Go

package remote
import (
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"runtime"
"testing"
"github.com/docker/docker/libnetwork/ipamapi"
_ "github.com/docker/docker/libnetwork/testutils"
"github.com/docker/docker/pkg/plugins"
)
func decodeToMap(r *http.Request) (res map[string]interface{}, err error) {
err = json.NewDecoder(r.Body).Decode(&res)
return
}
func handle(t *testing.T, mux *http.ServeMux, method string, h func(map[string]interface{}) interface{}) {
mux.HandleFunc(fmt.Sprintf("/%s.%s", ipamapi.PluginEndpointType, method), func(w http.ResponseWriter, r *http.Request) {
ask, err := decodeToMap(r)
if err != nil && err != io.EOF {
t.Fatal(err)
}
answer := h(ask)
err = json.NewEncoder(w).Encode(&answer)
if err != nil {
t.Fatal(err)
}
})
}
func setupPlugin(t *testing.T, name string, mux *http.ServeMux) func() {
specPath := "/etc/docker/plugins"
if runtime.GOOS == "windows" {
specPath = filepath.Join(os.Getenv("programdata"), "docker", "plugins")
}
if err := os.MkdirAll(specPath, 0755); err != nil {
t.Fatal(err)
}
defer func() {
if t.Failed() {
os.RemoveAll(specPath)
}
}()
server := httptest.NewServer(mux)
if server == nil {
t.Fatal("Failed to start an HTTP Server")
}
if err := ioutil.WriteFile(filepath.Join(specPath, name+".spec"), []byte(server.URL), 0644); err != nil {
t.Fatal(err)
}
mux.HandleFunc("/Plugin.Activate", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json")
fmt.Fprintf(w, `{"Implements": ["%s"]}`, ipamapi.PluginEndpointType)
})
return func() {
if err := os.RemoveAll(specPath); err != nil {
t.Fatal(err)
}
server.Close()
}
}
func TestGetCapabilities(t *testing.T) {
var plugin = "test-ipam-driver-capabilities"
mux := http.NewServeMux()
defer setupPlugin(t, plugin, mux)()
handle(t, mux, "GetCapabilities", func(msg map[string]interface{}) interface{} {
return map[string]interface{}{
"RequiresMACAddress": true,
}
})
p, err := plugins.Get(plugin, ipamapi.PluginEndpointType)
if err != nil {
t.Fatal(err)
}
client, err := getPluginClient(p)
if err != nil {
t.Fatal(err)
}
d := newAllocator(plugin, client)
caps, err := d.(*allocator).getCapabilities()
if err != nil {
t.Fatal(err)
}
if !caps.RequiresMACAddress || caps.RequiresRequestReplay {
t.Fatalf("Unexpected capability: %v", caps)
}
}
func TestGetCapabilitiesFromLegacyDriver(t *testing.T) {
var plugin = "test-ipam-legacy-driver"
mux := http.NewServeMux()
defer setupPlugin(t, plugin, mux)()
p, err := plugins.Get(plugin, ipamapi.PluginEndpointType)
if err != nil {
t.Fatal(err)
}
client, err := getPluginClient(p)
if err != nil {
t.Fatal(err)
}
d := newAllocator(plugin, client)
if _, err := d.(*allocator).getCapabilities(); err == nil {
t.Fatalf("Expected error, but got Success %v", err)
}
}
func TestGetDefaultAddressSpaces(t *testing.T) {
var plugin = "test-ipam-driver-addr-spaces"
mux := http.NewServeMux()
defer setupPlugin(t, plugin, mux)()
handle(t, mux, "GetDefaultAddressSpaces", func(msg map[string]interface{}) interface{} {
return map[string]interface{}{
"LocalDefaultAddressSpace": "white",
"GlobalDefaultAddressSpace": "blue",
}
})
p, err := plugins.Get(plugin, ipamapi.PluginEndpointType)
if err != nil {
t.Fatal(err)
}
client, err := getPluginClient(p)
if err != nil {
t.Fatal(err)
}
d := newAllocator(plugin, client)
l, g, err := d.(*allocator).GetDefaultAddressSpaces()
if err != nil {
t.Fatal(err)
}
if l != "white" || g != "blue" {
t.Fatalf("Unexpected default local and global address spaces: %s, %s", l, g)
}
}
func TestRemoteDriver(t *testing.T) {
var plugin = "test-ipam-driver"
mux := http.NewServeMux()
defer setupPlugin(t, plugin, mux)()
handle(t, mux, "GetDefaultAddressSpaces", func(msg map[string]interface{}) interface{} {
return map[string]interface{}{
"LocalDefaultAddressSpace": "white",
"GlobalDefaultAddressSpace": "blue",
}
})
handle(t, mux, "RequestPool", func(msg map[string]interface{}) interface{} {
as := "white"
if v, ok := msg["AddressSpace"]; ok && v.(string) != "" {
as = v.(string)
}
pl := "172.18.0.0/16"
sp := ""
if v, ok := msg["Pool"]; ok && v.(string) != "" {
pl = v.(string)
}
if v, ok := msg["SubPool"]; ok && v.(string) != "" {
sp = v.(string)
}
pid := fmt.Sprintf("%s/%s", as, pl)
if sp != "" {
pid = fmt.Sprintf("%s/%s", pid, sp)
}
return map[string]interface{}{
"PoolID": pid,
"Pool": pl,
"Data": map[string]string{"DNS": "8.8.8.8"},
}
})
handle(t, mux, "ReleasePool", func(msg map[string]interface{}) interface{} {
if _, ok := msg["PoolID"]; !ok {
t.Fatal("Missing PoolID in Release request")
}
return map[string]interface{}{}
})
handle(t, mux, "RequestAddress", func(msg map[string]interface{}) interface{} {
if _, ok := msg["PoolID"]; !ok {
t.Fatal("Missing PoolID in address request")
}
prefAddr := ""
if v, ok := msg["Address"]; ok {
prefAddr = v.(string)
}
ip := prefAddr
if ip == "" {
ip = "172.20.0.34"
}
ip = fmt.Sprintf("%s/16", ip)
return map[string]interface{}{
"Address": ip,
}
})
handle(t, mux, "ReleaseAddress", func(msg map[string]interface{}) interface{} {
if _, ok := msg["PoolID"]; !ok {
t.Fatal("Missing PoolID in address request")
}
if _, ok := msg["Address"]; !ok {
t.Fatal("Missing Address in release address request")
}
return map[string]interface{}{}
})
p, err := plugins.Get(plugin, ipamapi.PluginEndpointType)
if err != nil {
t.Fatal(err)
}
client, err := getPluginClient(p)
if err != nil {
t.Fatal(err)
}
d := newAllocator(plugin, client)
l, g, err := d.(*allocator).GetDefaultAddressSpaces()
if err != nil {
t.Fatal(err)
}
if l != "white" || g != "blue" {
t.Fatalf("Unexpected default local/global address spaces: %s, %s", l, g)
}
// Request any pool
poolID, pool, _, err := d.RequestPool("white", "", "", nil, false)
if err != nil {
t.Fatal(err)
}
if poolID != "white/172.18.0.0/16" {
t.Fatalf("Unexpected pool id: %s", poolID)
}
if pool == nil || pool.String() != "172.18.0.0/16" {
t.Fatalf("Unexpected pool: %s", pool)
}
// Request specific pool
poolID2, pool2, ops, err := d.RequestPool("white", "172.20.0.0/16", "", nil, false)
if err != nil {
t.Fatal(err)
}
if poolID2 != "white/172.20.0.0/16" {
t.Fatalf("Unexpected pool id: %s", poolID2)
}
if pool2 == nil || pool2.String() != "172.20.0.0/16" {
t.Fatalf("Unexpected pool: %s", pool2)
}
if dns, ok := ops["DNS"]; !ok || dns != "8.8.8.8" {
t.Fatal("Missing options")
}
// Request specific pool and subpool
poolID3, pool3, _, err := d.RequestPool("white", "172.20.0.0/16", "172.20.3.0/24" /*nil*/, map[string]string{"culo": "yes"}, false)
if err != nil {
t.Fatal(err)
}
if poolID3 != "white/172.20.0.0/16/172.20.3.0/24" {
t.Fatalf("Unexpected pool id: %s", poolID3)
}
if pool3 == nil || pool3.String() != "172.20.0.0/16" {
t.Fatalf("Unexpected pool: %s", pool3)
}
// Request any address
addr, _, err := d.RequestAddress(poolID2, nil, nil)
if err != nil {
t.Fatal(err)
}
if addr == nil || addr.String() != "172.20.0.34/16" {
t.Fatalf("Unexpected address: %s", addr)
}
// Request specific address
addr2, _, err := d.RequestAddress(poolID2, net.ParseIP("172.20.1.45"), nil)
if err != nil {
t.Fatal(err)
}
if addr2 == nil || addr2.String() != "172.20.1.45/16" {
t.Fatalf("Unexpected address: %s", addr2)
}
// Release address
err = d.ReleaseAddress(poolID, net.ParseIP("172.18.1.45"))
if err != nil {
t.Fatal(err)
}
}