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lego/providers/dns/gcloud/googlecloud_test.go
2020-09-02 20:38:01 +02:00

433 lines
11 KiB
Go

package gcloud
import (
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"sort"
"testing"
"time"
"github.com/go-acme/lego/v4/platform/tester"
"github.com/stretchr/testify/require"
"golang.org/x/net/context"
"golang.org/x/oauth2/google"
"google.golang.org/api/dns/v1"
)
const (
envDomain = envNamespace + "DOMAIN"
envServiceAccountFile = envNamespace + "SERVICE_ACCOUNT_FILE"
envMetadataHost = envNamespace + "METADATA_HOST"
envGoogleApplicationCredentials = "GOOGLE_APPLICATION_CREDENTIALS"
)
var envTest = tester.NewEnvTest(
EnvProject,
envServiceAccountFile,
envGoogleApplicationCredentials,
envMetadataHost,
EnvServiceAccount).
WithDomain(envDomain).
WithLiveTestExtra(func() bool {
_, err := google.DefaultClient(context.Background(), dns.NdevClouddnsReadwriteScope)
return err == nil
})
func TestNewDNSProvider(t *testing.T) {
testCases := []struct {
desc string
envVars map[string]string
expected string
}{
{
desc: "invalid credentials",
envVars: map[string]string{
EnvProject: "123",
envServiceAccountFile: "",
// as Travis run on GCE, we have to alter env
envGoogleApplicationCredentials: "not-a-secret-file",
envMetadataHost: "http://lego.wtf", // defined here to avoid the client cache.
},
expected: "googlecloud: unable to get Google Cloud client: google: error getting credentials using GOOGLE_APPLICATION_CREDENTIALS environment variable: open not-a-secret-file: no such file or directory",
},
{
desc: "missing project",
envVars: map[string]string{
EnvProject: "",
envServiceAccountFile: "",
// as Travis run on GCE, we have to alter env
envMetadataHost: "http://lego.wtf",
},
expected: "googlecloud: project name missing",
},
{
desc: "success key file",
envVars: map[string]string{
EnvProject: "",
envServiceAccountFile: "fixtures/gce_account_service_file.json",
},
},
{
desc: "success key",
envVars: map[string]string{
EnvProject: "",
EnvServiceAccount: `{"project_id": "A","type": "service_account","client_email": "foo@bar.com","private_key_id": "pki","private_key": "pk","token_uri": "/token","client_secret": "secret","client_id": "C","refresh_token": "D"}`,
},
},
}
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
defer envTest.RestoreEnv()
envTest.ClearEnv()
envTest.Apply(test.envVars)
p, err := NewDNSProvider()
if len(test.expected) == 0 {
require.NoError(t, err)
require.NotNil(t, p)
require.NotNil(t, p.config)
require.NotNil(t, p.client)
} else {
require.EqualError(t, err, test.expected)
}
})
}
}
func TestNewDNSProviderConfig(t *testing.T) {
testCases := []struct {
desc string
project string
expected string
}{
{
desc: "invalid project",
project: "123",
expected: "googlecloud: unable to create Google Cloud DNS service: client is nil",
},
{
desc: "missing project",
expected: "googlecloud: unable to create Google Cloud DNS service: client is nil",
},
}
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
defer envTest.RestoreEnv()
envTest.ClearEnv()
config := NewDefaultConfig()
config.Project = test.project
p, err := NewDNSProviderConfig(config)
if len(test.expected) == 0 {
require.NoError(t, err)
require.NotNil(t, p)
require.NotNil(t, p.config)
require.NotNil(t, p.client)
} else {
require.EqualError(t, err, test.expected)
}
})
}
}
func TestPresentNoExistingRR(t *testing.T) {
mux := http.NewServeMux()
// getHostedZone: /manhattan/managedZones?alt=json&dnsName=lego.wtf.
mux.HandleFunc("/manhattan/managedZones", func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
mzlrs := &dns.ManagedZonesListResponse{
ManagedZones: []*dns.ManagedZone{
{Name: "test", Visibility: "public"},
},
}
err := json.NewEncoder(w).Encode(mzlrs)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
// findTxtRecords: /manhattan/managedZones/test/rrsets?alt=json&name=_acme-challenge.lego.wtf.&type=TXT
mux.HandleFunc("/manhattan/managedZones/test/rrsets", func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
rrslr := &dns.ResourceRecordSetsListResponse{
Rrsets: []*dns.ResourceRecordSet{},
}
err := json.NewEncoder(w).Encode(rrslr)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
// applyChanges [Create]: /manhattan/managedZones/test/changes?alt=json
mux.HandleFunc("/manhattan/managedZones/test/changes", func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
var chgReq dns.Change
if err := json.NewDecoder(r.Body).Decode(&chgReq); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
chgResp := chgReq
chgResp.Status = changeStatusDone
if err := json.NewEncoder(w).Encode(chgResp); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
server := httptest.NewServer(mux)
config := NewDefaultConfig()
config.HTTPClient = &http.Client{}
config.Project = "manhattan"
p, err := NewDNSProviderConfig(config)
require.NoError(t, err)
p.client.BasePath = server.URL
domain := "lego.wtf"
err = p.Present(domain, "", "")
require.NoError(t, err)
}
func TestPresentWithExistingRR(t *testing.T) {
mux := http.NewServeMux()
// getHostedZone: /manhattan/managedZones?alt=json&dnsName=lego.wtf.
mux.HandleFunc("/manhattan/managedZones", func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
mzlrs := &dns.ManagedZonesListResponse{
ManagedZones: []*dns.ManagedZone{
{Name: "test", Visibility: "public"},
},
}
err := json.NewEncoder(w).Encode(mzlrs)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
// findTxtRecords: /manhattan/managedZones/test/rrsets?alt=json&name=_acme-challenge.lego.wtf.&type=TXT
mux.HandleFunc("/manhattan/managedZones/test/rrsets", func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
rrslr := &dns.ResourceRecordSetsListResponse{
Rrsets: []*dns.ResourceRecordSet{{
Name: "_acme-challenge.lego.wtf.",
Rrdatas: []string{`"X7DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU"`, `"huji"`},
Ttl: 120,
Type: "TXT",
}},
}
err := json.NewEncoder(w).Encode(rrslr)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
// applyChanges [Create]: /manhattan/managedZones/test/changes?alt=json
mux.HandleFunc("/manhattan/managedZones/test/changes", func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
var chgReq dns.Change
if err := json.NewDecoder(r.Body).Decode(&chgReq); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if len(chgReq.Additions) > 0 {
sort.Strings(chgReq.Additions[0].Rrdatas)
}
var prevVal string
for _, addition := range chgReq.Additions {
for _, value := range addition.Rrdatas {
if prevVal == value {
http.Error(w, fmt.Sprintf("The resource %s already exists", value), http.StatusConflict)
return
}
prevVal = value
}
}
chgResp := chgReq
chgResp.Status = changeStatusDone
if err := json.NewEncoder(w).Encode(chgResp); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
server := httptest.NewServer(mux)
config := NewDefaultConfig()
config.HTTPClient = &http.Client{}
config.Project = "manhattan"
p, err := NewDNSProviderConfig(config)
require.NoError(t, err)
p.client.BasePath = server.URL
domain := "lego.wtf"
err = p.Present(domain, "", "")
require.NoError(t, err)
}
func TestPresentSkipExistingRR(t *testing.T) {
mux := http.NewServeMux()
// getHostedZone: /manhattan/managedZones?alt=json&dnsName=lego.wtf.
mux.HandleFunc("/manhattan/managedZones", func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
mzlrs := &dns.ManagedZonesListResponse{
ManagedZones: []*dns.ManagedZone{
{Name: "test", Visibility: "public"},
},
}
err := json.NewEncoder(w).Encode(mzlrs)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
// findTxtRecords: /manhattan/managedZones/test/rrsets?alt=json&name=_acme-challenge.lego.wtf.&type=TXT
mux.HandleFunc("/manhattan/managedZones/test/rrsets", func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
rrslr := &dns.ResourceRecordSetsListResponse{
Rrsets: []*dns.ResourceRecordSet{{
Name: "_acme-challenge.lego.wtf.",
Rrdatas: []string{`"47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU"`, `"X7DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU"`, `"huji"`},
Ttl: 120,
Type: "TXT",
}},
}
err := json.NewEncoder(w).Encode(rrslr)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
server := httptest.NewServer(mux)
config := NewDefaultConfig()
config.HTTPClient = &http.Client{}
config.Project = "manhattan"
p, err := NewDNSProviderConfig(config)
require.NoError(t, err)
p.client.BasePath = server.URL
domain := "lego.wtf"
err = p.Present(domain, "", "")
require.NoError(t, err)
}
func TestLivePresent(t *testing.T) {
if !envTest.IsLiveTest() {
t.Skip("skipping live test")
}
envTest.RestoreEnv()
provider, err := NewDNSProviderCredentials(envTest.GetValue(EnvProject))
require.NoError(t, err)
err = provider.Present(envTest.GetDomain(), "", "123d==")
require.NoError(t, err)
}
func TestLivePresentMultiple(t *testing.T) {
if !envTest.IsLiveTest() {
t.Skip("skipping live test")
}
envTest.RestoreEnv()
provider, err := NewDNSProviderCredentials(envTest.GetValue(EnvProject))
require.NoError(t, err)
// Check that we're able to create multiple entries
err = provider.Present(envTest.GetDomain(), "1", "123d==")
require.NoError(t, err)
err = provider.Present(envTest.GetDomain(), "2", "123d==")
require.NoError(t, err)
}
func TestLiveCleanUp(t *testing.T) {
if !envTest.IsLiveTest() {
t.Skip("skipping live test")
}
envTest.RestoreEnv()
provider, err := NewDNSProviderCredentials(envTest.GetValue(EnvProject))
require.NoError(t, err)
time.Sleep(1 * time.Second)
err = provider.CleanUp(envTest.GetDomain(), "", "123d==")
require.NoError(t, err)
}