mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
292 lines
7 KiB
Go
292 lines
7 KiB
Go
package remote
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import (
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net"
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"net/http"
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"net/http/httptest"
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"os"
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"testing"
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"github.com/docker/docker/pkg/plugins"
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"github.com/docker/libnetwork/ipamapi"
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_ "github.com/docker/libnetwork/testutils"
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)
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func decodeToMap(r *http.Request) (res map[string]interface{}, err error) {
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err = json.NewDecoder(r.Body).Decode(&res)
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return
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}
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func handle(t *testing.T, mux *http.ServeMux, method string, h func(map[string]interface{}) interface{}) {
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mux.HandleFunc(fmt.Sprintf("/%s.%s", ipamapi.PluginEndpointType, method), func(w http.ResponseWriter, r *http.Request) {
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ask, err := decodeToMap(r)
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if err != nil && err != io.EOF {
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t.Fatal(err)
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}
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answer := h(ask)
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err = json.NewEncoder(w).Encode(&answer)
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if err != nil {
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t.Fatal(err)
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}
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})
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}
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func setupPlugin(t *testing.T, name string, mux *http.ServeMux) func() {
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if err := os.MkdirAll("/etc/docker/plugins", 0755); err != nil {
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t.Fatal(err)
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}
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server := httptest.NewServer(mux)
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if server == nil {
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t.Fatal("Failed to start a HTTP Server")
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}
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if err := ioutil.WriteFile(fmt.Sprintf("/etc/docker/plugins/%s.spec", name), []byte(server.URL), 0644); err != nil {
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t.Fatal(err)
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}
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mux.HandleFunc("/Plugin.Activate", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/vnd.docker.plugins.v1+json")
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fmt.Fprintf(w, `{"Implements": ["%s"]}`, ipamapi.PluginEndpointType)
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})
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return func() {
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if err := os.RemoveAll("/etc/docker/plugins"); err != nil {
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t.Fatal(err)
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}
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server.Close()
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}
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}
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func TestGetCapabilities(t *testing.T) {
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var plugin = "test-ipam-driver-capabilities"
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mux := http.NewServeMux()
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defer setupPlugin(t, plugin, mux)()
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handle(t, mux, "GetCapabilities", func(msg map[string]interface{}) interface{} {
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return map[string]interface{}{
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"RequiresMACAddress": true,
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}
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})
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p, err := plugins.Get(plugin, ipamapi.PluginEndpointType)
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if err != nil {
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t.Fatal(err)
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}
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d := newAllocator(plugin, p.Client)
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caps, err := d.(*allocator).getCapabilities()
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if err != nil {
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t.Fatal(err)
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}
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if !caps.RequiresMACAddress {
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t.Fatalf("Unexpected capability: %v", caps)
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}
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}
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func TestGetCapabilitiesFromLegacyDriver(t *testing.T) {
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var plugin = "test-ipam-legacy-driver"
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mux := http.NewServeMux()
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defer setupPlugin(t, plugin, mux)()
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p, err := plugins.Get(plugin, ipamapi.PluginEndpointType)
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if err != nil {
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t.Fatal(err)
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}
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d := newAllocator(plugin, p.Client)
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if _, err := d.(*allocator).getCapabilities(); err == nil {
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t.Fatalf("Expected error, but got Success %v", err)
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}
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}
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func TestGetDefaultAddressSpaces(t *testing.T) {
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var plugin = "test-ipam-driver-addr-spaces"
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mux := http.NewServeMux()
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defer setupPlugin(t, plugin, mux)()
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handle(t, mux, "GetDefaultAddressSpaces", func(msg map[string]interface{}) interface{} {
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return map[string]interface{}{
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"LocalDefaultAddressSpace": "white",
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"GlobalDefaultAddressSpace": "blue",
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}
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})
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p, err := plugins.Get(plugin, ipamapi.PluginEndpointType)
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if err != nil {
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t.Fatal(err)
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}
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d := newAllocator(plugin, p.Client)
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l, g, err := d.(*allocator).GetDefaultAddressSpaces()
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if err != nil {
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t.Fatal(err)
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}
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if l != "white" || g != "blue" {
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t.Fatalf("Unexpected default local and global address spaces: %s, %s", l, g)
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}
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}
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func TestRemoteDriver(t *testing.T) {
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var plugin = "test-ipam-driver"
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mux := http.NewServeMux()
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defer setupPlugin(t, plugin, mux)()
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handle(t, mux, "GetDefaultAddressSpaces", func(msg map[string]interface{}) interface{} {
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return map[string]interface{}{
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"LocalDefaultAddressSpace": "white",
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"GlobalDefaultAddressSpace": "blue",
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}
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})
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handle(t, mux, "RequestPool", func(msg map[string]interface{}) interface{} {
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as := "white"
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if v, ok := msg["AddressSpace"]; ok && v.(string) != "" {
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as = v.(string)
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}
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pl := "172.18.0.0/16"
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sp := ""
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if v, ok := msg["Pool"]; ok && v.(string) != "" {
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pl = v.(string)
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}
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if v, ok := msg["SubPool"]; ok && v.(string) != "" {
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sp = v.(string)
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}
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pid := fmt.Sprintf("%s/%s", as, pl)
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if sp != "" {
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pid = fmt.Sprintf("%s/%s", pid, sp)
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}
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return map[string]interface{}{
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"PoolID": pid,
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"Pool": pl,
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"Data": map[string]string{"DNS": "8.8.8.8"},
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}
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})
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handle(t, mux, "ReleasePool", func(msg map[string]interface{}) interface{} {
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if _, ok := msg["PoolID"]; !ok {
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t.Fatalf("Missing PoolID in Release request")
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}
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return map[string]interface{}{}
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})
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handle(t, mux, "RequestAddress", func(msg map[string]interface{}) interface{} {
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if _, ok := msg["PoolID"]; !ok {
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t.Fatalf("Missing PoolID in address request")
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}
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prefAddr := ""
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if v, ok := msg["Address"]; ok {
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prefAddr = v.(string)
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}
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ip := prefAddr
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if ip == "" {
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ip = "172.20.0.34"
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}
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ip = fmt.Sprintf("%s/16", ip)
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return map[string]interface{}{
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"Address": ip,
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}
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})
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handle(t, mux, "ReleaseAddress", func(msg map[string]interface{}) interface{} {
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if _, ok := msg["PoolID"]; !ok {
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t.Fatalf("Missing PoolID in address request")
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}
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if _, ok := msg["Address"]; !ok {
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t.Fatalf("Missing Address in release address request")
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}
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return map[string]interface{}{}
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})
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p, err := plugins.Get(plugin, ipamapi.PluginEndpointType)
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if err != nil {
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t.Fatal(err)
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}
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d := newAllocator(plugin, p.Client)
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l, g, err := d.(*allocator).GetDefaultAddressSpaces()
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if err != nil {
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t.Fatal(err)
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}
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if l != "white" || g != "blue" {
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t.Fatalf("Unexpected default local/global address spaces: %s, %s", l, g)
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}
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// Request any pool
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poolID, pool, _, err := d.RequestPool("white", "", "", nil, false)
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if err != nil {
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t.Fatal(err)
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}
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if poolID != "white/172.18.0.0/16" {
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t.Fatalf("Unexpected pool id: %s", poolID)
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}
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if pool == nil || pool.String() != "172.18.0.0/16" {
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t.Fatalf("Unexpected pool: %s", pool)
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}
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// Request specific pool
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poolID2, pool2, ops, err := d.RequestPool("white", "172.20.0.0/16", "", nil, false)
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if err != nil {
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t.Fatal(err)
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}
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if poolID2 != "white/172.20.0.0/16" {
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t.Fatalf("Unexpected pool id: %s", poolID2)
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}
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if pool2 == nil || pool2.String() != "172.20.0.0/16" {
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t.Fatalf("Unexpected pool: %s", pool2)
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}
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if dns, ok := ops["DNS"]; !ok || dns != "8.8.8.8" {
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t.Fatalf("Missing options")
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}
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// Request specific pool and subpool
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poolID3, pool3, _, err := d.RequestPool("white", "172.20.0.0/16", "172.20.3.0/24" /*nil*/, map[string]string{"culo": "yes"}, false)
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if err != nil {
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t.Fatal(err)
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}
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if poolID3 != "white/172.20.0.0/16/172.20.3.0/24" {
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t.Fatalf("Unexpected pool id: %s", poolID3)
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}
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if pool3 == nil || pool3.String() != "172.20.0.0/16" {
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t.Fatalf("Unexpected pool: %s", pool3)
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}
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// Request any address
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addr, _, err := d.RequestAddress(poolID2, nil, nil)
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if err != nil {
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t.Fatal(err)
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}
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if addr == nil || addr.String() != "172.20.0.34/16" {
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t.Fatalf("Unexpected address: %s", addr)
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}
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// Request specific address
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addr2, _, err := d.RequestAddress(poolID2, net.ParseIP("172.20.1.45"), nil)
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if err != nil {
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t.Fatal(err)
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}
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if addr2 == nil || addr2.String() != "172.20.1.45/16" {
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t.Fatalf("Unexpected address: %s", addr2)
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}
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// Release address
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err = d.ReleaseAddress(poolID, net.ParseIP("172.18.1.45"))
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if err != nil {
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t.Fatal(err)
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}
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}
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