Change the license to use the new endpoint and format (elastic#15091)

* Change the license to use the new endpoint and format

1. Use the `_license` endpoint instead of using the `/_xpack`
2. Remove the `features` handling.
3. Add more golden files for the different returned format.
4. remove unused files and code

(cherry picked from commit 556e8ff)

CHANGELOG.next.asciidoc

@@ -27,6 +27,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Remove version information from default ILM policy for improved upgrade experience on custom policies. {pull}14745[14745]
 - Running `setup` cmd respects `setup.ilm.overwrite` setting for improved support of custom policies. {pull}14741[14741]
 - Libbeat: Do not overwrite agent.*, ecs.version, and host.name. {pull}14407[14407]
+- Libbeat: Cleanup the x-pack licenser code to use the new license endpoint and the new format. {pull}15091[15091]
 
 *Auditbeat*
 

x-pack/libbeat/licenser/check_test.go

@@ -24,22 +24,22 @@ func testCheckTrial(t *testing.T) {
 
 	t.Run("valid trial license", func(t *testing.T) {
 		l := License{
-			Mode:        Trial,
+			Type:        Trial,
 			TrialExpiry: expiryTime(time.Now().Add(1 * time.Hour)),
 		}
 		assert.True(t, CheckTrial(log, l))
 	})
 
 	t.Run("expired trial license", func(t *testing.T) {
 		l := License{
-			Mode:        Trial,
+			Type:        Trial,
 			TrialExpiry: expiryTime(time.Now().Add(-1 * time.Hour)),
 		}
 		assert.False(t, CheckTrial(log, l))
 	})
 
 	t.Run("other license", func(t *testing.T) {
-		l := License{Mode: Basic}
+		l := License{Type: Basic}
 		assert.False(t, CheckTrial(log, l))
 	})
 }
@@ -51,19 +51,19 @@ func testCheckLicenseCover(t *testing.T) {
 		fn := CheckLicenseCover(license)
 
 		t.Run("active", func(t *testing.T) {
-			l := License{Mode: license, Status: Active}
+			l := License{Type: license, Status: Active}
 			assert.True(t, fn(log, l))
 		})
 
 		t.Run("inactive", func(t *testing.T) {
-			l := License{Mode: license, Status: Inactive}
+			l := License{Type: license, Status: Inactive}
 			assert.False(t, fn(log, l))
 		})
 	}
 }
 
 func testValidate(t *testing.T) {
-	l := License{Mode: Basic, Status: Active}
+	l := License{Type: Basic, Status: Active}
 	t.Run("when one of the check is valid", func(t *testing.T) {
 		valid := Validate(logp.NewLogger(""), l, CheckLicenseCover(Platinum), CheckLicenseCover(Basic))
 		assert.True(t, valid)

x-pack/libbeat/licenser/elastic_fetcher.go

@@ -14,12 +14,11 @@ import (
 
 	"github.com/pkg/errors"
 
-	"github.com/elastic/beats/libbeat/common"
 	"github.com/elastic/beats/libbeat/logp"
 	"github.com/elastic/beats/libbeat/outputs/elasticsearch"
 )
 
-const xPackURL = "/_xpack"
+const xPackURL = "/_license"
 
 // params defaults query parameters to send to the '_xpack' endpoint by default we only need
 // machine parseable data.
@@ -129,8 +128,7 @@ func (f *ElasticFetcher) Fetch() (*License, error) {
 
 // Xpack Response, temporary struct to merge the features into the license struct.
 type xpackResponse struct {
-	License  License  `json:"license"`
-	Features features `json:"features"`
+	License License `json:"license"`
 }
 
 func (f *ElasticFetcher) parseJSON(b []byte) (*License, error) {
@@ -141,7 +139,6 @@ func (f *ElasticFetcher) parseJSON(b []byte) (*License, error) {
 	}
 
 	license := info.License
-	license.Features = info.Features
 
 	return &license, nil
 }
@@ -193,20 +190,3 @@ func newESClientMux(clients []elasticsearch.Client) *esClientMux {
 
 	return &esClientMux{idx: idx, clients: tmp}
 }
-
-// Create takes a raw configuration and will create a a license manager based on the elasticsearch
-// output configuration, if no output is found we return an error.
-func Create(cfg *common.ConfigNamespace, refreshDelay, graceDelay time.Duration) (*Manager, error) {
-	if !cfg.IsSet() || cfg.Name() != "elasticsearch" {
-		return nil, ErrNoElasticsearchConfig
-	}
-
-	clients, err := elasticsearch.NewElasticsearchClients(cfg.Config())
-	if err != nil {
-		return nil, err
-	}
-	clientsMux := newESClientMux(clients)
-
-	manager := New(clientsMux, refreshDelay, graceDelay)
-	return manager, nil
-}

x-pack/libbeat/licenser/elastic_fetcher_integration_test.go

@@ -52,12 +52,4 @@ func TestElasticsearch(t *testing.T) {
 	assert.Equal(t, Active, license.Status)
 
 	assert.NotEmpty(t, license.UUID)
-
-	assert.NotNil(t, license.Features.Graph)
-	assert.NotNil(t, license.Features.Logstash)
-	assert.NotNil(t, license.Features.ML)
-	assert.NotNil(t, license.Features.Monitoring)
-	assert.NotNil(t, license.Features.Rollup)
-	assert.NotNil(t, license.Features.Security)
-	assert.NotNil(t, license.Features.Watcher)
 }

x-pack/libbeat/licenser/elastic_fetcher_test.go

@@ -21,7 +21,7 @@ import (
 
 func newServerClientPair(t *testing.T, handler http.HandlerFunc) (*httptest.Server, *elasticsearch.Client) {
 	mux := http.NewServeMux()
-	mux.Handle("/_xpack/", http.HandlerFunc(handler))
+	mux.Handle("/_license/", http.HandlerFunc(handler))
 
 	server := httptest.NewServer(mux)
 
@@ -135,29 +135,7 @@ func TestParseJSON(t *testing.T) {
 				assert.True(t, len(license.UUID) > 0)
 
 				assert.NotNil(t, license.Type)
-				assert.NotNil(t, license.Mode)
 				assert.NotNil(t, license.Status)
-
-				assert.False(t, license.Features.Graph.Available)
-				assert.True(t, license.Features.Graph.Enabled)
-
-				assert.False(t, license.Features.Logstash.Available)
-				assert.True(t, license.Features.Logstash.Enabled)
-
-				assert.False(t, license.Features.ML.Available)
-				assert.True(t, license.Features.ML.Enabled)
-
-				assert.True(t, license.Features.Monitoring.Available)
-				assert.True(t, license.Features.Monitoring.Enabled)
-
-				assert.True(t, license.Features.Rollup.Available)
-				assert.True(t, license.Features.Rollup.Enabled)
-
-				assert.False(t, license.Features.Security.Available)
-				assert.True(t, license.Features.Security.Enabled)
-
-				assert.False(t, license.Features.Watcher.Available)
-				assert.True(t, license.Features.Watcher.Enabled)
 			})
 
 			return nil

x-pack/libbeat/licenser/license.go

@@ -13,57 +13,37 @@ import (
 //
 // The x-pack endpoint returns the following JSON response.
 //
-// "license": {
-//   "uid": "936183d8-f48c-4a3f-959a-a52aa2563279",
-//   "type": "platinum",
-//   "mode": "platinum",
-//   "status": "active"
-// },
-//
+//{
+// "license" : {
+//   "status" : "active",
+//   "uid" : "cbff45e7-c553-41f7-ae4f-9205eabd80xx",
+//   "type" : "trial",
+//   "issue_date" : "2018-10-20T22:05:12.332Z",
+//   "issue_date_in_millis" : 1540073112332,
+//   "expiry_date" : "2018-11-19T22:05:12.332Z",
+//   "expiry_date_in_millis" : 1542665112332,
+//   "max_nodes" : 1000,
+//   "issued_to" : "test",
+//   "issuer" : "elasticsearch",
+//   "start_date_in_millis" : -1
+// }
+// }
 // Definition:
 // type is the installed license.
 // mode is the license in operation. (effective license)
 // status is the type installed is active or not.
 type License struct {
 	UUID        string      `json:"uid"`
 	Type        LicenseType `json:"type"`
-	Mode        LicenseType `json:"mode"`
 	Status      State       `json:"status"`
-	Features    features    `json:"features"`
 	TrialExpiry expiryTime  `json:"expiry_date_in_millis,omitempty"`
 }
 
-// Features defines the list of features exposed by the elasticsearch cluster.
-type features struct {
-	Graph      graph      `json:"graph"`
-	Logstash   logstash   `json:"logstash"`
-	ML         ml         `json:"ml"`
-	Monitoring monitoring `json:"monitoring"`
-	Rollup     rollup     `json:"rollup"`
-	Security   security   `json:"security"`
-	Watcher    watcher    `json:"watcher"`
-}
-
 type expiryTime time.Time
 
-// Base define the field common for every feature.
-type Base struct {
-	Enabled   bool `json:"enabled"`
-	Available bool `json:"available"`
-}
-
-// Defines all the available features
-type graph struct{ *Base }
-type logstash struct{ *Base }
-type ml struct{ *Base }
-type monitoring struct{ *Base }
-type rollup struct{ *Base }
-type security struct{ *Base }
-type watcher struct{ *Base }
-
-// Get return the current license
+// Get returns the license type.
 func (l *License) Get() LicenseType {
-	return l.Mode
+	return l.Type
 }
 
 // Cover returns true if the provided license is included in the range of license.
@@ -72,15 +52,15 @@ func (l *License) Get() LicenseType {
 // gold -> match gold and platinum
 // platinum -> match  platinum only
 func (l *License) Cover(license LicenseType) bool {
-	if l.Mode >= license {
+	if l.Type >= license {
 		return true
 	}
 	return false
 }
 
 // Is returns true if the provided license is an exact match.
 func (l *License) Is(license LicenseType) bool {
-	return l.Mode == license
+	return l.Type == license
 }
 
 // IsActive returns true if the current license from the server is active.
@@ -90,7 +70,7 @@ func (l *License) IsActive() bool {
 
 // IsTrial returns true if the remote cluster is in trial mode.
 func (l *License) IsTrial() bool {
-	return l.Mode == Trial
+	return l.Type == Trial
 }
 
 // IsTrialExpired returns false if the we are not in trial mode and when we are in trial mode
@@ -112,6 +92,5 @@ func (l *License) IsTrialExpired() bool {
 func (l *License) EqualTo(other *License) bool {
 	return l.UUID == other.UUID &&
 		l.Type == other.Type &&
-		l.Mode == other.Mode &&
 		l.Status == other.Status
 }

x-pack/libbeat/licenser/license_test.go

@@ -28,7 +28,7 @@ func TestLicenseGet(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			l := License{Mode: test.t}
+			l := License{Type: test.t}
 			assert.Equal(t, test.t, l.Get())
 		})
 	}
@@ -69,7 +69,7 @@ func TestLicenseIs(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			l := License{Mode: test.t}
+			l := License{Type: test.t}
 			assert.Equal(t, test.expected, l.Cover(test.query))
 		})
 	}
@@ -110,7 +110,7 @@ func TestLicenseIsStrict(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			l := License{Mode: test.t}
+			l := License{Type: test.t}
 			assert.Equal(t, test.expected, l.Is(test.query))
 		})
 	}
@@ -149,12 +149,12 @@ func TestIsTrial(t *testing.T) {
 	}{
 		{
 			name:     "is a trial license",
-			l:        License{Mode: Trial},
+			l:        License{Type: Trial},
 			expected: true,
 		},
 		{
 			name:     "is not a trial license",
-			l:        License{Mode: Basic},
+			l:        License{Type: Basic},
 			expected: false,
 		},
 	}
@@ -174,17 +174,17 @@ func TestIsTrialExpired(t *testing.T) {
 	}{
 		{
 			name:     "trial is expired",
-			l:        License{Mode: Trial, TrialExpiry: expiryTime(time.Now().Add(-2 * time.Hour))},
+			l:        License{Type: Trial, TrialExpiry: expiryTime(time.Now().Add(-2 * time.Hour))},
 			expected: true,
 		},
 		{
 			name:     "trial is not expired",
-			l:        License{Mode: Trial, TrialExpiry: expiryTime(time.Now().Add(2 * time.Minute))},
+			l:        License{Type: Trial, TrialExpiry: expiryTime(time.Now().Add(2 * time.Minute))},
 			expected: false,
 		},
 		{
 			name:     "license is not on trial",
-			l:        License{Mode: Basic, TrialExpiry: expiryTime(time.Now().Add(2 * time.Minute))},
+			l:        License{Type: Basic, TrialExpiry: expiryTime(time.Now().Add(2 * time.Minute))},
 			expected: false,
 		},
 	}