grafana/pkg/api/featuremgmt_test.go
João Calisto 7e1b45ba31
Feature Toggles API: Trigger webhook call when updating (#75254)
* Feature Toggles API: Trigger webhook call when updating

* update status code error check

* lint - handle Close() error

* Rename update webhook config

* fix tests
2023-09-25 19:11:24 +01:00

492 lines
15 KiB
Go

package api
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"net/http/httptest"
"testing"
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana/pkg/services/accesscontrol"
"github.com/grafana/grafana/pkg/services/featuremgmt"
"github.com/grafana/grafana/pkg/services/org/orgtest"
"github.com/grafana/grafana/pkg/services/user"
"github.com/grafana/grafana/pkg/services/user/usertest"
"github.com/grafana/grafana/pkg/setting"
"github.com/grafana/grafana/pkg/web/webtest"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestGetFeatureToggles(t *testing.T) {
readPermissions := []accesscontrol.Permission{{Action: accesscontrol.ActionFeatureManagementRead}}
t.Run("should not be able to get feature toggles without permissions", func(t *testing.T) {
result := runGetScenario(t, []*featuremgmt.FeatureFlag{}, setting.FeatureMgmtSettings{}, []accesscontrol.Permission{}, http.StatusForbidden)
assert.Len(t, result, 0)
})
t.Run("should be able to get feature toggles with correct permissions", func(t *testing.T) {
features := []*featuremgmt.FeatureFlag{
{
Name: "toggle1",
Enabled: true,
Stage: featuremgmt.FeatureStageGeneralAvailability,
}, {
Name: "toggle2",
Enabled: false,
Stage: featuremgmt.FeatureStageGeneralAvailability,
},
}
result := runGetScenario(t, features, setting.FeatureMgmtSettings{}, readPermissions, http.StatusOK)
assert.Len(t, result, 2)
t1, _ := findResult(t, result, "toggle1")
assert.True(t, t1.Enabled)
t2, _ := findResult(t, result, "toggle2")
assert.False(t, t2.Enabled)
})
t.Run("toggles hidden by config are not present in the response", func(t *testing.T) {
features := []*featuremgmt.FeatureFlag{
{
Name: "toggle1",
Enabled: true,
Stage: featuremgmt.FeatureStageGeneralAvailability,
}, {
Name: "toggle2",
Enabled: false,
Stage: featuremgmt.FeatureStageGeneralAvailability,
},
}
settings := setting.FeatureMgmtSettings{
HiddenToggles: map[string]struct{}{"toggle1": {}},
}
result := runGetScenario(t, features, settings, readPermissions, http.StatusOK)
assert.Len(t, result, 1)
assert.Equal(t, "toggle2", result[0].Name)
})
t.Run("toggles that are read-only by config have the readOnly field set", func(t *testing.T) {
features := []*featuremgmt.FeatureFlag{
{
Name: "toggle1",
Enabled: true,
Stage: featuremgmt.FeatureStageGeneralAvailability,
}, {
Name: "toggle2",
Enabled: false,
Stage: featuremgmt.FeatureStageGeneralAvailability,
},
}
settings := setting.FeatureMgmtSettings{
HiddenToggles: map[string]struct{}{"toggle1": {}},
ReadOnlyToggles: map[string]struct{}{"toggle2": {}},
AllowEditing: true,
UpdateWebhook: "bogus",
}
result := runGetScenario(t, features, settings, readPermissions, http.StatusOK)
assert.Len(t, result, 1)
assert.Equal(t, "toggle2", result[0].Name)
assert.True(t, result[0].ReadOnly)
})
t.Run("feature toggle defailts", func(t *testing.T) {
features := []*featuremgmt.FeatureFlag{
{
Name: "toggle1",
Stage: featuremgmt.FeatureStageUnknown,
}, {
Name: "toggle2",
Stage: featuremgmt.FeatureStageExperimental,
}, {
Name: "toggle3",
Stage: featuremgmt.FeatureStagePrivatePreview,
}, {
Name: "toggle4",
Stage: featuremgmt.FeatureStagePublicPreview,
}, {
Name: "toggle5",
Stage: featuremgmt.FeatureStageGeneralAvailability,
}, {
Name: "toggle6",
Stage: featuremgmt.FeatureStageDeprecated,
},
}
t.Run("unknown, experimental, and private preview toggles are hidden by default", func(t *testing.T) {
result := runGetScenario(t, features, setting.FeatureMgmtSettings{}, readPermissions, http.StatusOK)
assert.Len(t, result, 3)
_, ok := findResult(t, result, "toggle1")
assert.False(t, ok)
_, ok = findResult(t, result, "toggle2")
assert.False(t, ok)
_, ok = findResult(t, result, "toggle3")
assert.False(t, ok)
})
t.Run("only public preview and GA are writeable by default", func(t *testing.T) {
settings := setting.FeatureMgmtSettings{
AllowEditing: true,
UpdateWebhook: "bogus",
}
result := runGetScenario(t, features, settings, readPermissions, http.StatusOK)
assert.Len(t, result, 3)
t4, ok := findResult(t, result, "toggle4")
assert.True(t, ok)
assert.True(t, t4.ReadOnly)
t5, ok := findResult(t, result, "toggle5")
assert.True(t, ok)
assert.False(t, t5.ReadOnly)
t6, ok := findResult(t, result, "toggle6")
assert.True(t, ok)
assert.False(t, t6.ReadOnly)
})
t.Run("all toggles are read-only when server is misconfigured", func(t *testing.T) {
settings := setting.FeatureMgmtSettings{
AllowEditing: false,
UpdateWebhook: "",
}
result := runGetScenario(t, features, settings, readPermissions, http.StatusOK)
assert.Len(t, result, 3)
t4, ok := findResult(t, result, "toggle4")
assert.True(t, ok)
assert.True(t, t4.ReadOnly)
t5, ok := findResult(t, result, "toggle5")
assert.True(t, ok)
assert.True(t, t5.ReadOnly)
t6, ok := findResult(t, result, "toggle6")
assert.True(t, ok)
assert.True(t, t6.ReadOnly)
})
})
}
func TestSetFeatureToggles(t *testing.T) {
writePermissions := []accesscontrol.Permission{{Action: accesscontrol.ActionFeatureManagementWrite}}
t.Run("fails without adequate permissions", func(t *testing.T) {
res := runSetScenario(t, nil, nil, setting.FeatureMgmtSettings{}, []accesscontrol.Permission{}, http.StatusForbidden)
defer func() { require.NoError(t, res.Body.Close()) }()
})
t.Run("fails when toggle editing is not enabled", func(t *testing.T) {
res := runSetScenario(t, nil, nil, setting.FeatureMgmtSettings{}, writePermissions, http.StatusForbidden)
defer func() { require.NoError(t, res.Body.Close()) }()
p := readBody(t, res.Body)
assert.Equal(t, "feature toggles are read-only", p["message"])
})
t.Run("fails when update toggle url is not set", func(t *testing.T) {
s := setting.FeatureMgmtSettings{
AllowEditing: true,
}
res := runSetScenario(t, nil, nil, s, writePermissions, http.StatusInternalServerError)
defer func() { require.NoError(t, res.Body.Close()) }()
p := readBody(t, res.Body)
assert.Equal(t, "feature toggles service is misconfigured", p["message"])
})
t.Run("fails with non-existent toggle", func(t *testing.T) {
features := []*featuremgmt.FeatureFlag{
{
Name: "toggle1",
Enabled: true,
Stage: featuremgmt.FeatureStageGeneralAvailability,
}, {
Name: "toggle2",
Enabled: false,
Stage: featuremgmt.FeatureStageGeneralAvailability,
},
}
updates := []featuremgmt.FeatureToggleDTO{
{
Name: "toggle3",
Enabled: true,
},
}
s := setting.FeatureMgmtSettings{
AllowEditing: true,
UpdateWebhook: "random",
}
res := runSetScenario(t, features, updates, s, writePermissions, http.StatusBadRequest)
defer func() { require.NoError(t, res.Body.Close()) }()
p := readBody(t, res.Body)
assert.Equal(t, "invalid toggle passed in", p["message"])
})
t.Run("fails with read-only toggles", func(t *testing.T) {
features := []*featuremgmt.FeatureFlag{
{
Name: featuremgmt.FlagFeatureToggleAdminPage,
Enabled: true,
Stage: featuremgmt.FeatureStageGeneralAvailability,
}, {
Name: "toggle2",
Enabled: false,
Stage: featuremgmt.FeatureStagePublicPreview,
}, {
Name: "toggle3",
Enabled: false,
Stage: featuremgmt.FeatureStageGeneralAvailability,
},
}
s := setting.FeatureMgmtSettings{
AllowEditing: true,
UpdateWebhook: "random",
ReadOnlyToggles: map[string]struct{}{
"toggle3": {},
},
}
t.Run("because it is the feature toggle admin page toggle", func(t *testing.T) {
updates := []featuremgmt.FeatureToggleDTO{
{
Name: featuremgmt.FlagFeatureToggleAdminPage,
Enabled: true,
},
}
res := runSetScenario(t, features, updates, s, writePermissions, http.StatusBadRequest)
defer func() { require.NoError(t, res.Body.Close()) }()
p := readBody(t, res.Body)
assert.Equal(t, fmt.Sprintf("invalid toggle passed in: %s", featuremgmt.FlagFeatureToggleAdminPage), p["error"])
})
t.Run("because it is not GA or Deprecated", func(t *testing.T) {
updates := []featuremgmt.FeatureToggleDTO{
{
Name: "toggle2",
Enabled: true,
},
}
res := runSetScenario(t, features, updates, s, writePermissions, http.StatusBadRequest)
defer func() { require.NoError(t, res.Body.Close()) }()
p := readBody(t, res.Body)
assert.Equal(t, "invalid toggle passed in: toggle2", p["error"])
})
t.Run("because it is configured to be read-only", func(t *testing.T) {
updates := []featuremgmt.FeatureToggleDTO{
{
Name: "toggle3",
Enabled: true,
},
}
res := runSetScenario(t, features, updates, s, writePermissions, http.StatusBadRequest)
defer func() { require.NoError(t, res.Body.Close()) }()
p := readBody(t, res.Body)
assert.Equal(t, "invalid toggle passed in: toggle3", p["error"])
})
})
t.Run("when all conditions met", func(t *testing.T) {
features := []*featuremgmt.FeatureFlag{
{
Name: featuremgmt.FlagFeatureToggleAdminPage,
Enabled: true,
Stage: featuremgmt.FeatureStageGeneralAvailability,
}, {
Name: "toggle2",
Enabled: false,
Stage: featuremgmt.FeatureStagePublicPreview,
}, {
Name: "toggle3",
Enabled: false,
Stage: featuremgmt.FeatureStageGeneralAvailability,
}, {
Name: "toggle4",
Enabled: false,
Stage: featuremgmt.FeatureStageGeneralAvailability,
}, {
Name: "toggle5",
Enabled: false,
Stage: featuremgmt.FeatureStageDeprecated,
},
}
s := setting.FeatureMgmtSettings{
AllowEditing: true,
UpdateWebhook: "random",
UpdateWebhookToken: "token",
ReadOnlyToggles: map[string]struct{}{
"toggle3": {},
},
}
updates := []featuremgmt.FeatureToggleDTO{
{
Name: "toggle4",
Enabled: true,
}, {
Name: "toggle5",
Enabled: false,
},
}
t.Run("fail when webhook request is not successful", func(t *testing.T) {
webhookServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusBadRequest)
}))
defer webhookServer.Close()
s.UpdateWebhook = webhookServer.URL
res := runSetScenario(t, features, updates, s, writePermissions, http.StatusBadRequest)
defer func() { require.NoError(t, res.Body.Close()) }()
assert.Equal(t, http.StatusBadRequest, res.StatusCode)
})
t.Run("succeed when webhook request is successul", func(t *testing.T) {
webhookServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
assert.Equal(t, "Bearer "+s.UpdateWebhookToken, r.Header.Get("Authorization"))
var req UpdatePayload
require.NoError(t, json.NewDecoder(r.Body).Decode(&req))
assert.Equal(t, "true", req.FeatureToggles["toggle4"])
assert.Equal(t, "false", req.FeatureToggles["toggle5"])
w.WriteHeader(http.StatusOK)
}))
defer webhookServer.Close()
s.UpdateWebhook = webhookServer.URL
res := runSetScenario(t, features, updates, s, writePermissions, http.StatusOK)
defer func() { require.NoError(t, res.Body.Close()) }()
assert.Equal(t, http.StatusOK, res.StatusCode)
})
})
}
func findResult(t *testing.T, result []featuremgmt.FeatureToggleDTO, name string) (featuremgmt.FeatureToggleDTO, bool) {
t.Helper()
for _, t := range result {
if t.Name == name {
return t, true
}
}
return featuremgmt.FeatureToggleDTO{}, false
}
func readBody(t *testing.T, rc io.ReadCloser) map[string]any {
t.Helper()
b, err := io.ReadAll(rc)
require.NoError(t, err)
payload := map[string]any{}
require.NoError(t, json.Unmarshal(b, &payload))
return payload
}
func runGetScenario(
t *testing.T,
features []*featuremgmt.FeatureFlag,
settings setting.FeatureMgmtSettings,
permissions []accesscontrol.Permission,
expectedCode int,
) []featuremgmt.FeatureToggleDTO {
// Set up server and send request
cfg := setting.NewCfg()
cfg.FeatureManagement = settings
server := SetupAPITestServer(t, func(hs *HTTPServer) {
hs.Cfg = cfg
hs.Features = featuremgmt.WithFeatureFlags(append([]*featuremgmt.FeatureFlag{{
Name: featuremgmt.FlagFeatureToggleAdminPage,
Enabled: true,
Stage: featuremgmt.FeatureStageGeneralAvailability,
}}, features...))
hs.orgService = orgtest.NewOrgServiceFake()
hs.userService = &usertest.FakeUserService{
ExpectedUser: &user.User{ID: 1},
}
hs.log = log.New("test")
})
req := webtest.RequestWithSignedInUser(server.NewGetRequest("/api/featuremgmt"), userWithPermissions(1, permissions))
res, err := server.SendJSON(req)
defer func() { require.NoError(t, res.Body.Close()) }()
// Do some general checks for every request
require.NoError(t, err)
require.Equal(t, expectedCode, res.StatusCode)
if res.StatusCode >= 400 {
return nil
}
var result []featuremgmt.FeatureToggleDTO
err = json.NewDecoder(res.Body).Decode(&result)
require.NoError(t, err)
for i := 0; i < len(result); {
ft := result[i]
// Always make sure admin page toggle is read-only, then remove it to make assertions easier
if ft.Name == featuremgmt.FlagFeatureToggleAdminPage {
assert.True(t, ft.ReadOnly)
result = append(result[:i], result[i+1:]...)
continue
}
// Make sure toggles explicitly marked "hidden" by config are hidden
if _, ok := cfg.FeatureManagement.HiddenToggles[ft.Name]; ok {
t.Fail()
}
// Make sure toggles explicitly marked "read only" by config are read only
if _, ok := cfg.FeatureManagement.ReadOnlyToggles[ft.Name]; ok {
assert.True(t, ft.ReadOnly)
}
i++
}
return result
}
func runSetScenario(
t *testing.T,
serverFeatures []*featuremgmt.FeatureFlag,
updateFeatures []featuremgmt.FeatureToggleDTO,
settings setting.FeatureMgmtSettings,
permissions []accesscontrol.Permission,
expectedCode int,
) *http.Response {
// Set up server and send request
cfg := setting.NewCfg()
cfg.FeatureManagement = settings
server := SetupAPITestServer(t, func(hs *HTTPServer) {
hs.Cfg = cfg
hs.Features = featuremgmt.WithFeatureFlags(append([]*featuremgmt.FeatureFlag{{
Name: featuremgmt.FlagFeatureToggleAdminPage,
Enabled: true,
Stage: featuremgmt.FeatureStageGeneralAvailability,
}}, serverFeatures...))
hs.orgService = orgtest.NewOrgServiceFake()
hs.userService = &usertest.FakeUserService{
ExpectedUser: &user.User{ID: 1},
}
hs.log = log.New("test")
})
cmd := featuremgmt.UpdateFeatureTogglesCommand{
FeatureToggles: updateFeatures,
}
b, err := json.Marshal(cmd)
require.NoError(t, err)
req := webtest.RequestWithSignedInUser(server.NewPostRequest("/api/featuremgmt", bytes.NewReader(b)), userWithPermissions(1, permissions))
res, err := server.SendJSON(req)
require.NoError(t, err)
require.NotNil(t, res)
require.Equal(t, expectedCode, res.StatusCode)
return res
}