| // Copyright 2019 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package agentconfig |
| |
| import ( |
| "context" |
| "fmt" |
| "net/http" |
| "net/http/httptest" |
| "os" |
| "path/filepath" |
| "reflect" |
| "runtime" |
| "strings" |
| "testing" |
| "time" |
| ) |
| |
| func TestWatchConfig(t *testing.T) { |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| fmt.Fprintln(w, `{"project":{"numericProjectID":12345,"projectId":"projectId","attributes":{"osconfig-endpoint":"bad!!1","enable-os-inventory":"false"}},"instance":{"id":12345,"name":"name","zone":"zone","attributes":{"osconfig-endpoint":"SvcEndpoint","enable-os-inventory":"1","enable-os-config-debug":"true","osconfig-enabled-prerelease-features":"ospackage,ospatch", "osconfig-poll-interval":"3"}}}`) |
| })) |
| defer ts.Close() |
| |
| if err := os.Setenv("GCE_METADATA_HOST", strings.Trim(ts.URL, "http://")); err != nil { |
| t.Fatalf("Error running os.Setenv: %v", err) |
| } |
| |
| if err := WatchConfig(context.Background()); err != nil { |
| t.Fatalf("Error running WatchConfig: %v", err) |
| } |
| |
| testsString := []struct { |
| desc string |
| op func() string |
| want string |
| }{ |
| {"SvcEndpoint", SvcEndpoint, "SvcEndpoint"}, |
| {"Instance", Instance, "zone/instances/name"}, |
| {"ID", ID, "12345"}, |
| {"ProjectID", ProjectID, "projectId"}, |
| {"Zone", Zone, "zone"}, |
| {"Name", Name, "name"}, |
| } |
| for _, tt := range testsString { |
| if tt.op() != tt.want { |
| t.Errorf("%q: got(%q) != want(%q)", tt.desc, tt.op(), tt.want) |
| } |
| } |
| |
| testsBool := []struct { |
| desc string |
| op func() bool |
| want bool |
| }{ |
| {"osinventory should be enabled (proj disabled, inst enabled)", OSInventoryEnabled, true}, |
| {"taskNotification should be enabled (inst enabled)", TaskNotificationEnabled, true}, |
| {"guestpolicies should be enabled (proj enabled)", GuestPoliciesEnabled, true}, |
| {"debugenabled should be true (proj disabled, inst enabled)", Debug, true}, |
| } |
| for _, tt := range testsBool { |
| if tt.op() != tt.want { |
| t.Errorf("%q: got(%t) != want(%t)", tt.desc, tt.op(), tt.want) |
| } |
| } |
| |
| if SvcPollInterval().Minutes() != float64(3) { |
| t.Errorf("Default poll interval: got(%f) != want(%d)", SvcPollInterval().Minutes(), 3) |
| } |
| if NumericProjectID() != 12345 { |
| t.Errorf("NumericProjectID: got(%v) != want(%d)", NumericProjectID(), 12345) |
| } |
| |
| if Instance() != "zone/instances/name" { |
| t.Errorf("zone: got(%s) != want(%s)", Instance(), "zone/instances/name") |
| } |
| } |
| |
| func TestSetConfigEnabled(t *testing.T) { |
| var request int |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| switch request { |
| case 0: |
| w.Header().Set("Etag", "etag-0") |
| fmt.Fprintln(w, `{"project":{"attributes":{"enable-osconfig":"false"}},"instance":{"attributes":{"enable-osconfig":"false"}}}`) |
| case 1: |
| w.Header().Set("Etag", "etag-1") |
| fmt.Fprintln(w, `{"project":{"attributes":{"enable-osconfig":"false"}},"instance":{"attributes":{"enable-osconfig":"true"}}}`) |
| case 2: |
| w.Header().Set("Etag", "etag-2") |
| fmt.Fprintln(w, `{"project":{"attributes":{"enable-osconfig":"false"}},"instance":{"attributes":{"enable-osconfig":"false"}}}`) |
| case 3: |
| w.Header().Set("Etag", "etag-3") |
| fmt.Fprintln(w, `{"project":{"attributes":{"enable-osconfig":"true","osconfig-disabled-features":"osinventory"}}}`) |
| } |
| })) |
| defer ts.Close() |
| |
| if err := os.Setenv("GCE_METADATA_HOST", strings.Trim(ts.URL, "http://")); err != nil { |
| t.Fatalf("Error running os.Setenv: %v", err) |
| } |
| |
| for i, want := range []bool{false, true, false} { |
| request = i |
| if err := WatchConfig(context.Background()); err != nil { |
| t.Fatalf("Error running SetConfig: %v", err) |
| } |
| |
| testsBool := []struct { |
| desc string |
| op func() bool |
| }{ |
| {"OSInventoryEnabled", OSInventoryEnabled}, |
| {"TaskNotificationEnabled", TaskNotificationEnabled}, |
| {"GuestPoliciesEnabled", GuestPoliciesEnabled}, |
| } |
| for _, tt := range testsBool { |
| if tt.op() != want { |
| t.Errorf("Request %d: %s: got(%t) != want(%t)", request, tt.desc, tt.op(), want) |
| } |
| } |
| } |
| |
| request = 3 |
| if err := WatchConfig(context.Background()); err != nil { |
| t.Fatalf("Error running SetConfig: %v", err) |
| } |
| |
| testsBool := []struct { |
| desc string |
| op func() bool |
| want bool |
| }{ |
| {"OSInventoryEnabled", OSInventoryEnabled, false}, |
| {"TaskNotificationEnabled", TaskNotificationEnabled, true}, |
| {"GuestPoliciesEnabled", GuestPoliciesEnabled, true}, |
| } |
| for _, tt := range testsBool { |
| if tt.op() != tt.want { |
| t.Errorf("%s: got(%t) != want(%t)", tt.desc, tt.op(), tt.want) |
| } |
| } |
| } |
| |
| func TestSetConfigDefaultValues(t *testing.T) { |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| w.Header().Set("Etag", "sample-etag") |
| // we always get zone value in instance metadata. |
| fmt.Fprintln(w, `{"instance": {"zone": "fake-zone"}}`) |
| })) |
| defer ts.Close() |
| |
| if err := os.Setenv("GCE_METADATA_HOST", strings.Trim(ts.URL, "http://")); err != nil { |
| t.Fatalf("Error running os.Setenv: %v", err) |
| } |
| |
| if err := WatchConfig(context.Background()); err != nil { |
| t.Fatalf("Error running SetConfig: %v", err) |
| } |
| |
| testsString := []struct { |
| op func() string |
| want string |
| }{ |
| {AptRepoFilePath, aptRepoFilePath}, |
| {YumRepoFilePath, yumRepoFilePath}, |
| {ZypperRepoFilePath, zypperRepoFilePath}, |
| {GooGetRepoFilePath, googetRepoFilePath}, |
| } |
| for _, tt := range testsString { |
| if tt.op() != tt.want { |
| f := filepath.Base(runtime.FuncForPC(reflect.ValueOf(tt.op).Pointer()).Name()) |
| t.Errorf("%q: got(%q) != want(%q)", f, tt.op(), tt.want) |
| } |
| } |
| |
| testsBool := []struct { |
| op func() bool |
| want bool |
| }{ |
| {OSInventoryEnabled, osInventoryEnabledDefault}, |
| {TaskNotificationEnabled, taskNotificationEnabledDefault}, |
| {GuestPoliciesEnabled, guestPoliciesEnabledDefault}, |
| {Debug, debugEnabledDefault}, |
| } |
| for _, tt := range testsBool { |
| if tt.op() != tt.want { |
| f := filepath.Base(runtime.FuncForPC(reflect.ValueOf(tt.op).Pointer()).Name()) |
| t.Errorf("%q: got(%t) != want(%t)", f, tt.op(), tt.want) |
| } |
| } |
| |
| if SvcPollInterval().Minutes() != float64(osConfigPollIntervalDefault) { |
| t.Errorf("Default poll interval: got(%f) != want(%d)", SvcPollInterval().Minutes(), osConfigPollIntervalDefault) |
| } |
| |
| expectedEndpoint := "fake-zone-osconfig.googleapis.com.:443" |
| if SvcEndpoint() != expectedEndpoint { |
| t.Errorf("Default endpoint: got(%s) != want(%s)", SvcEndpoint(), expectedEndpoint) |
| } |
| } |
| |
| func TestVersion(t *testing.T) { |
| if Version() != "" { |
| t.Errorf("Unexpected version %q, want \"\"", Version()) |
| } |
| var v = "1" |
| SetVersion(v) |
| if Version() != v { |
| t.Errorf("Unexpected version %q, want %q", Version(), v) |
| } |
| } |
| |
| func TestSvcEndpoint(t *testing.T) { |
| var request int |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| switch request { |
| case 0: |
| w.Header().Set("Etag", "etag-0") |
| // we always get zone value in instance metadata. |
| fmt.Fprintln(w, `{"instance": {"id": 12345,"name": "name","zone": "fakezone","attributes": {"osconfig-endpoint": "{zone}-dev.osconfig.googleapis.com"}}}`) |
| case 1: |
| w.Header().Set("Etag", "etag-1") |
| fmt.Fprintln(w, `{"universe": {"universeDomain": "domain.com"}, "instance": {"id": 12345,"name": "name","zone": "fakezone","attributes": {"osconfig-endpoint": "{zone}-dev.osconfig.googleapis.com"}}}`) |
| } |
| })) |
| defer ts.Close() |
| |
| if err := os.Setenv("GCE_METADATA_HOST", strings.Trim(ts.URL, "http://")); err != nil { |
| t.Fatalf("Error running os.Setenv: %v", err) |
| } |
| |
| for i, expectedSvcEndpoint := range []string{"fakezone-dev.osconfig.googleapis.com", "fakezone-dev.osconfig.domain.com"} { |
| request = i |
| if err := WatchConfig(context.Background()); err != nil { |
| t.Fatalf("Error running SetConfig: %v", err) |
| } |
| |
| if SvcEndpoint() != expectedSvcEndpoint { |
| t.Errorf("Default endpoint: got(%s) != want(%s)", SvcEndpoint(), expectedSvcEndpoint) |
| } |
| } |
| |
| } |
| |
| func TestSetConfigError(t *testing.T) { |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| })) |
| defer ts.Close() |
| |
| if err := os.Setenv("GCE_METADATA_HOST", strings.Trim(ts.URL, "http://")); err != nil { |
| t.Fatalf("Error running os.Setenv: %v", err) |
| } |
| |
| osConfigWatchConfigTimeout = 1 * time.Millisecond |
| |
| if err := WatchConfig(context.Background()); err == nil || !strings.Contains(err.Error(), "unexpected end of JSON input") { |
| t.Errorf("Unexpected output %+v", err) |
| } |
| } |
| |
| func TestDisableCloudLogging(t *testing.T) { |
| var request int |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| switch request { |
| case 0: |
| w.Header().Set("Etag", "etag-0") |
| fmt.Fprintln(w, `{"universe":{"universeDomain": "domain.com"}}`) |
| case 1: |
| w.Header().Set("Etag", "etag-1") |
| fmt.Fprintln(w, `{"instance": {"zone": "fake-zone"}}`) |
| } |
| })) |
| defer ts.Close() |
| |
| if err := os.Setenv("GCE_METADATA_HOST", strings.Trim(ts.URL, "http://")); err != nil { |
| t.Fatalf("Error running os.Setenv: %v", err) |
| } |
| |
| for i, expectedDisableCloudLoggingValue := range []bool{true, false} { |
| request = i |
| if err := WatchConfig(context.Background()); err != nil { |
| t.Fatalf("Error running SetConfig: %v", err) |
| } |
| |
| if DisableCloudLogging() != expectedDisableCloudLoggingValue { |
| t.Errorf("DisableCloudLogging: got(%t) != want(%t)", DisableCloudLogging(), expectedDisableCloudLoggingValue) |
| } |
| } |
| |
| } |
