mirror of
https://github.com/grafana/grafana.git
synced 2024-11-30 12:44:10 -06:00
558 lines
17 KiB
Go
558 lines
17 KiB
Go
package query
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"errors"
|
|
"net/http"
|
|
"testing"
|
|
|
|
"github.com/grafana/grafana-plugin-sdk-go/backend"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
"golang.org/x/oauth2"
|
|
|
|
"github.com/grafana/grafana/pkg/api/dtos"
|
|
"github.com/grafana/grafana/pkg/components/simplejson"
|
|
"github.com/grafana/grafana/pkg/expr"
|
|
"github.com/grafana/grafana/pkg/infra/db"
|
|
"github.com/grafana/grafana/pkg/infra/log"
|
|
"github.com/grafana/grafana/pkg/models"
|
|
"github.com/grafana/grafana/pkg/plugins"
|
|
acmock "github.com/grafana/grafana/pkg/services/accesscontrol/mock"
|
|
"github.com/grafana/grafana/pkg/services/datasources"
|
|
fakeDatasources "github.com/grafana/grafana/pkg/services/datasources/fakes"
|
|
dsSvc "github.com/grafana/grafana/pkg/services/datasources/service"
|
|
"github.com/grafana/grafana/pkg/services/featuremgmt"
|
|
"github.com/grafana/grafana/pkg/services/quota/quotatest"
|
|
"github.com/grafana/grafana/pkg/services/secrets/fakes"
|
|
secretskvs "github.com/grafana/grafana/pkg/services/secrets/kvstore"
|
|
secretsmng "github.com/grafana/grafana/pkg/services/secrets/manager"
|
|
"github.com/grafana/grafana/pkg/services/user"
|
|
"github.com/grafana/grafana/pkg/setting"
|
|
)
|
|
|
|
func TestParseMetricRequest(t *testing.T) {
|
|
tc := setup(t)
|
|
|
|
t.Run("Test a simple single datasource query", func(t *testing.T) {
|
|
mr := metricRequestWithQueries(t, `{
|
|
"refId": "A",
|
|
"datasource": {
|
|
"uid": "gIEkMvIVz",
|
|
"type": "postgres"
|
|
}
|
|
}`, `{
|
|
"refId": "B",
|
|
"datasource": {
|
|
"uid": "gIEkMvIVz",
|
|
"type": "postgres"
|
|
}
|
|
}`)
|
|
parsedReq, err := tc.queryService.parseMetricRequest(context.Background(), tc.signedInUser, true, mr)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, parsedReq)
|
|
assert.False(t, parsedReq.hasExpression)
|
|
assert.Len(t, parsedReq.parsedQueries, 1)
|
|
assert.Contains(t, parsedReq.parsedQueries, "gIEkMvIVz")
|
|
assert.Len(t, parsedReq.getFlattenedQueries(), 2)
|
|
})
|
|
|
|
t.Run("Test a single datasource query with expressions", func(t *testing.T) {
|
|
mr := metricRequestWithQueries(t, `{
|
|
"refId": "A",
|
|
"datasource": {
|
|
"uid": "gIEkMvIVz",
|
|
"type": "postgres"
|
|
}
|
|
}`, `{
|
|
"refId": "B",
|
|
"datasource": {
|
|
"type": "__expr__",
|
|
"uid": "__expr__",
|
|
"name": "Expression"
|
|
},
|
|
"type": "math",
|
|
"expression": "$A - 50"
|
|
}`)
|
|
parsedReq, err := tc.queryService.parseMetricRequest(context.Background(), tc.signedInUser, true, mr)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, parsedReq)
|
|
assert.True(t, parsedReq.hasExpression)
|
|
assert.Len(t, parsedReq.parsedQueries, 2)
|
|
assert.Contains(t, parsedReq.parsedQueries, "gIEkMvIVz")
|
|
assert.Len(t, parsedReq.getFlattenedQueries(), 2)
|
|
// Make sure we end up with something valid
|
|
_, err = tc.queryService.handleExpressions(context.Background(), tc.signedInUser, parsedReq)
|
|
assert.NoError(t, err)
|
|
})
|
|
|
|
t.Run("Test a simple mixed datasource query", func(t *testing.T) {
|
|
mr := metricRequestWithQueries(t, `{
|
|
"refId": "A",
|
|
"datasource": {
|
|
"uid": "gIEkMvIVz",
|
|
"type": "postgres"
|
|
}
|
|
}`, `{
|
|
"refId": "B",
|
|
"datasource": {
|
|
"uid": "sEx6ZvSVk",
|
|
"type": "testdata"
|
|
}
|
|
}`)
|
|
parsedReq, err := tc.queryService.parseMetricRequest(context.Background(), tc.signedInUser, true, mr)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, parsedReq)
|
|
assert.False(t, parsedReq.hasExpression)
|
|
assert.Len(t, parsedReq.parsedQueries, 2)
|
|
assert.Contains(t, parsedReq.parsedQueries, "gIEkMvIVz")
|
|
assert.Contains(t, parsedReq.parsedQueries, "sEx6ZvSVk")
|
|
assert.Len(t, parsedReq.getFlattenedQueries(), 2)
|
|
})
|
|
|
|
t.Run("Test a mixed datasource query with expressions", func(t *testing.T) {
|
|
mr := metricRequestWithQueries(t, `{
|
|
"refId": "A",
|
|
"datasource": {
|
|
"uid": "gIEkMvIVz",
|
|
"type": "postgres"
|
|
}
|
|
}`, `{
|
|
"refId": "B",
|
|
"datasource": {
|
|
"uid": "sEx6ZvSVk",
|
|
"type": "testdata"
|
|
}
|
|
}`, `{
|
|
"refId": "A_resample",
|
|
"datasource": {
|
|
"type": "__expr__",
|
|
"uid": "__expr__",
|
|
"name": "Expression"
|
|
},
|
|
"expression": "A",
|
|
"type": "resample",
|
|
"downsampler": "mean",
|
|
"upsampler": "fillna",
|
|
"window": "10s"
|
|
}`, `{
|
|
"refId": "B_resample",
|
|
"datasource": {
|
|
"type": "__expr__",
|
|
"uid": "__expr__",
|
|
"name": "Expression"
|
|
},
|
|
"expression": "B",
|
|
"type": "resample",
|
|
"downsampler": "mean",
|
|
"upsampler": "fillna",
|
|
"window": "10s"
|
|
}`, `{
|
|
"refId": "C",
|
|
"datasource": {
|
|
"type": "__expr__",
|
|
"uid": "__expr__",
|
|
"name": "Expression"
|
|
},
|
|
"type": "math",
|
|
"expression": "$A_resample + $B_resample"
|
|
}`)
|
|
parsedReq, err := tc.queryService.parseMetricRequest(context.Background(), tc.signedInUser, true, mr)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, parsedReq)
|
|
assert.True(t, parsedReq.hasExpression)
|
|
assert.Len(t, parsedReq.parsedQueries, 3)
|
|
assert.Contains(t, parsedReq.parsedQueries, "gIEkMvIVz")
|
|
assert.Contains(t, parsedReq.parsedQueries, "sEx6ZvSVk")
|
|
assert.Len(t, parsedReq.getFlattenedQueries(), 5)
|
|
// Make sure we end up with something valid
|
|
_, err = tc.queryService.handleExpressions(context.Background(), tc.signedInUser, parsedReq)
|
|
assert.NoError(t, err)
|
|
})
|
|
|
|
t.Run("Header validation", func(t *testing.T) {
|
|
mr := metricRequestWithQueries(t, `{
|
|
"refId": "A",
|
|
"datasource": {
|
|
"uid": "gIEkMvIVz",
|
|
"type": "postgres"
|
|
}
|
|
}`, `{
|
|
"refId": "B",
|
|
"datasource": {
|
|
"uid": "sEx6ZvSVk",
|
|
"type": "testdata"
|
|
}
|
|
}`)
|
|
httpreq, _ := http.NewRequest(http.MethodPost, "http://localhost/", bytes.NewReader([]byte{}))
|
|
httpreq.Header.Add("X-Datasource-Uid", "gIEkMvIVz")
|
|
mr.HTTPRequest = httpreq
|
|
_, err := tc.queryService.parseMetricRequest(context.Background(), tc.signedInUser, true, mr)
|
|
require.NoError(t, err)
|
|
|
|
// With the second value it is OK
|
|
httpreq.Header.Add("X-Datasource-Uid", "sEx6ZvSVk")
|
|
mr.HTTPRequest = httpreq
|
|
_, err = tc.queryService.parseMetricRequest(context.Background(), tc.signedInUser, true, mr)
|
|
require.NoError(t, err)
|
|
|
|
// Single header with comma syntax
|
|
httpreq, _ = http.NewRequest(http.MethodPost, "http://localhost/", bytes.NewReader([]byte{}))
|
|
httpreq.Header.Set("X-Datasource-Uid", "gIEkMvIVz, sEx6ZvSVk")
|
|
mr.HTTPRequest = httpreq
|
|
_, err = tc.queryService.parseMetricRequest(context.Background(), tc.signedInUser, true, mr)
|
|
require.NoError(t, err)
|
|
})
|
|
}
|
|
|
|
func TestQueryDataMultipleSources(t *testing.T) {
|
|
t.Run("can query multiple datasources", func(t *testing.T) {
|
|
tc := setup(t)
|
|
query1, err := simplejson.NewJson([]byte(`
|
|
{
|
|
"datasource": {
|
|
"type": "mysql",
|
|
"uid": "ds1"
|
|
}
|
|
}
|
|
`))
|
|
require.NoError(t, err)
|
|
query2, err := simplejson.NewJson([]byte(`
|
|
{
|
|
"datasource": {
|
|
"type": "mysql",
|
|
"uid": "ds2"
|
|
}
|
|
}
|
|
`))
|
|
require.NoError(t, err)
|
|
queries := []*simplejson.Json{query1, query2}
|
|
reqDTO := dtos.MetricRequest{
|
|
From: "2022-01-01",
|
|
To: "2022-01-02",
|
|
Queries: queries,
|
|
Debug: false,
|
|
PublicDashboardAccessToken: "abc123",
|
|
HTTPRequest: nil,
|
|
}
|
|
|
|
_, err = tc.queryService.QueryData(context.Background(), tc.signedInUser, true, reqDTO)
|
|
|
|
require.NoError(t, err)
|
|
})
|
|
|
|
t.Run("can query multiple datasources with an expression present", func(t *testing.T) {
|
|
tc := setup(t)
|
|
// refId does get set if not included, but better to include it explicitly here
|
|
query1, err := simplejson.NewJson([]byte(`
|
|
{
|
|
"datasource": {
|
|
"type": "mysql",
|
|
"uid": "ds1"
|
|
},
|
|
"refId": "A"
|
|
}
|
|
`))
|
|
require.NoError(t, err)
|
|
query2, err := simplejson.NewJson([]byte(`
|
|
{
|
|
"datasource": {
|
|
"type": "mysql",
|
|
"uid": "ds2"
|
|
}
|
|
}
|
|
`))
|
|
require.NoError(t, err)
|
|
query3, err := simplejson.NewJson([]byte(`
|
|
{
|
|
"datasource": {
|
|
"name": "Expression",
|
|
"type": "__expr__",
|
|
"uid": "__expr__"
|
|
},
|
|
"expression": "$A + 1",
|
|
"hide": false,
|
|
"refId": "EXPRESSION",
|
|
"type": "math"
|
|
}
|
|
`))
|
|
require.NoError(t, err)
|
|
queries := []*simplejson.Json{query1, query2, query3}
|
|
reqDTO := dtos.MetricRequest{
|
|
From: "2022-01-01",
|
|
To: "2022-01-02",
|
|
Queries: queries,
|
|
Debug: false,
|
|
PublicDashboardAccessToken: "abc123",
|
|
HTTPRequest: nil,
|
|
}
|
|
|
|
// without query parameter
|
|
_, err = tc.queryService.QueryData(context.Background(), tc.signedInUser, true, reqDTO)
|
|
require.NoError(t, err)
|
|
|
|
httpreq, _ := http.NewRequest(http.MethodPost, "http://localhost/ds/query?expression=true", bytes.NewReader([]byte{}))
|
|
httpreq.Header.Add("X-Datasource-Uid", "gIEkMvIVz")
|
|
reqDTO.HTTPRequest = httpreq
|
|
|
|
// with query parameter
|
|
_, err = tc.queryService.QueryData(context.Background(), tc.signedInUser, true, reqDTO)
|
|
require.NoError(t, err)
|
|
})
|
|
|
|
t.Run("error is returned when one of the queries fails", func(t *testing.T) {
|
|
tc := setup(t)
|
|
|
|
query1, _ := simplejson.NewJson([]byte(`
|
|
{
|
|
"datasource": {
|
|
"type": "mysql",
|
|
"uid": "ds1"
|
|
}
|
|
}
|
|
`))
|
|
query2, _ := simplejson.NewJson([]byte(`
|
|
{
|
|
"datasource": {
|
|
"type": "prometheus",
|
|
"uid": "ds2"
|
|
},
|
|
"queryType": "FAIL"
|
|
}
|
|
`))
|
|
|
|
queries := []*simplejson.Json{query1, query2}
|
|
|
|
reqDTO := dtos.MetricRequest{
|
|
From: "2022-01-01",
|
|
To: "2022-01-02",
|
|
Queries: queries,
|
|
Debug: false,
|
|
PublicDashboardAccessToken: "abc123",
|
|
HTTPRequest: nil,
|
|
}
|
|
|
|
_, err := tc.queryService.QueryData(context.Background(), tc.signedInUser, true, reqDTO)
|
|
|
|
require.Error(t, err)
|
|
})
|
|
}
|
|
|
|
func TestQueryData(t *testing.T) {
|
|
t.Run("it auth custom headers to the request", func(t *testing.T) {
|
|
token := &oauth2.Token{
|
|
TokenType: "bearer",
|
|
AccessToken: "access-token",
|
|
}
|
|
token = token.WithExtra(map[string]interface{}{"id_token": "id-token"})
|
|
|
|
tc := setup(t)
|
|
tc.oauthTokenService.passThruEnabled = true
|
|
tc.oauthTokenService.token = token
|
|
|
|
_, err := tc.queryService.QueryData(context.Background(), nil, true, metricRequest())
|
|
require.Nil(t, err)
|
|
|
|
expected := map[string]string{
|
|
"Authorization": "Bearer access-token",
|
|
"X-ID-Token": "id-token",
|
|
}
|
|
require.Equal(t, expected, tc.pluginContext.req.Headers)
|
|
})
|
|
|
|
t.Run("it doesn't add cookie header to the request when keepCookies configured and no cookies provided", func(t *testing.T) {
|
|
tc := setup(t)
|
|
json, err := simplejson.NewJson([]byte(`{"keepCookies": [ "foo", "bar" ]}`))
|
|
require.NoError(t, err)
|
|
tc.dataSourceCache.ds.JsonData = json
|
|
|
|
metricReq := metricRequest()
|
|
httpReq, err := http.NewRequest(http.MethodGet, "/", nil)
|
|
require.NoError(t, err)
|
|
metricReq.HTTPRequest = httpReq
|
|
_, err = tc.queryService.QueryData(context.Background(), tc.signedInUser, true, metricReq)
|
|
require.NoError(t, err)
|
|
|
|
require.Empty(t, tc.pluginContext.req.Headers)
|
|
})
|
|
|
|
t.Run("it adds cookie header to the request when keepCookies configured and cookie provided", func(t *testing.T) {
|
|
tc := setup(t)
|
|
json, err := simplejson.NewJson([]byte(`{"keepCookies": [ "foo", "bar" ]}`))
|
|
require.NoError(t, err)
|
|
tc.dataSourceCache.ds.JsonData = json
|
|
|
|
metricReq := metricRequest()
|
|
httpReq, err := http.NewRequest(http.MethodGet, "/", nil)
|
|
require.NoError(t, err)
|
|
httpReq.AddCookie(&http.Cookie{Name: "a"})
|
|
httpReq.AddCookie(&http.Cookie{Name: "bar", Value: "rab"})
|
|
httpReq.AddCookie(&http.Cookie{Name: "b"})
|
|
httpReq.AddCookie(&http.Cookie{Name: "foo", Value: "oof"})
|
|
httpReq.AddCookie(&http.Cookie{Name: "c"})
|
|
metricReq.HTTPRequest = httpReq
|
|
_, err = tc.queryService.QueryData(context.Background(), tc.signedInUser, true, metricReq)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, map[string]string{"Cookie": "bar=rab; foo=oof"}, tc.pluginContext.req.Headers)
|
|
})
|
|
|
|
t.Run("it doesn't adds cookie header to the request when keepCookies configured with login cookie name", func(t *testing.T) {
|
|
tc := setup(t)
|
|
tc.queryService.cfg.LoginCookieName = "grafana_session"
|
|
json, err := simplejson.NewJson([]byte(`{"keepCookies": [ "grafana_session", "bar" ]}`))
|
|
require.NoError(t, err)
|
|
tc.dataSourceCache.ds.JsonData = json
|
|
|
|
metricReq := metricRequest()
|
|
httpReq, err := http.NewRequest(http.MethodGet, "/", nil)
|
|
require.NoError(t, err)
|
|
httpReq.AddCookie(&http.Cookie{Name: "a"})
|
|
httpReq.AddCookie(&http.Cookie{Name: "bar", Value: "rab"})
|
|
httpReq.AddCookie(&http.Cookie{Name: "b"})
|
|
httpReq.AddCookie(&http.Cookie{Name: "foo", Value: "oof"})
|
|
httpReq.AddCookie(&http.Cookie{Name: "c"})
|
|
httpReq.AddCookie(&http.Cookie{Name: tc.queryService.cfg.LoginCookieName, Value: "val"})
|
|
metricReq.HTTPRequest = httpReq
|
|
_, err = tc.queryService.QueryData(context.Background(), tc.signedInUser, true, metricReq)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, map[string]string{"Cookie": "bar=rab"}, tc.pluginContext.req.Headers)
|
|
})
|
|
}
|
|
|
|
func setup(t *testing.T) *testContext {
|
|
t.Helper()
|
|
pc := &fakePluginClient{}
|
|
dc := &fakeDataSourceCache{ds: &datasources.DataSource{}}
|
|
tc := &fakeOAuthTokenService{}
|
|
rv := &fakePluginRequestValidator{}
|
|
|
|
sqlStore := db.InitTestDB(t)
|
|
secretsService := secretsmng.SetupTestService(t, fakes.NewFakeSecretsStore())
|
|
ss := secretskvs.NewSQLSecretsKVStore(sqlStore, secretsService, log.New("test.logger"))
|
|
ssvc := secretsmng.SetupTestService(t, fakes.NewFakeSecretsStore())
|
|
quotaService := quotatest.New(false, nil)
|
|
ds, err := dsSvc.ProvideService(nil, ssvc, ss, nil, featuremgmt.WithFeatures(), acmock.New(), acmock.NewMockedPermissionsService(), quotaService)
|
|
require.NoError(t, err)
|
|
fakeDatasourceService := &fakeDatasources.FakeDataSourceService{
|
|
DataSources: nil,
|
|
SimulatePluginFailure: false,
|
|
}
|
|
exprService := expr.ProvideService(&setting.Cfg{ExpressionsEnabled: true}, pc, fakeDatasourceService)
|
|
queryService := ProvideService(setting.NewCfg(), dc, exprService, rv, ds, pc, tc) // provider belonging to this package
|
|
return &testContext{
|
|
pluginContext: pc,
|
|
secretStore: ss,
|
|
dataSourceCache: dc,
|
|
oauthTokenService: tc,
|
|
pluginRequestValidator: rv,
|
|
queryService: queryService,
|
|
signedInUser: &user.SignedInUser{OrgID: 1},
|
|
}
|
|
}
|
|
|
|
type testContext struct {
|
|
pluginContext *fakePluginClient
|
|
secretStore secretskvs.SecretsKVStore
|
|
dataSourceCache *fakeDataSourceCache
|
|
oauthTokenService *fakeOAuthTokenService
|
|
pluginRequestValidator *fakePluginRequestValidator
|
|
queryService *Service // implementation belonging to this package
|
|
signedInUser *user.SignedInUser
|
|
}
|
|
|
|
func metricRequest() dtos.MetricRequest {
|
|
q, _ := simplejson.NewJson([]byte(`{"datasourceId":1}`))
|
|
return dtos.MetricRequest{
|
|
From: "",
|
|
To: "",
|
|
Queries: []*simplejson.Json{q},
|
|
Debug: false,
|
|
}
|
|
}
|
|
|
|
func metricRequestWithQueries(t *testing.T, rawQueries ...string) dtos.MetricRequest {
|
|
t.Helper()
|
|
queries := make([]*simplejson.Json, 0)
|
|
for _, q := range rawQueries {
|
|
json, err := simplejson.NewJson([]byte(q))
|
|
require.NoError(t, err)
|
|
queries = append(queries, json)
|
|
}
|
|
return dtos.MetricRequest{
|
|
From: "now-1h",
|
|
To: "now",
|
|
Queries: queries,
|
|
Debug: false,
|
|
}
|
|
}
|
|
|
|
type fakePluginRequestValidator struct {
|
|
err error
|
|
}
|
|
|
|
func (rv *fakePluginRequestValidator) Validate(dsURL string, req *http.Request) error {
|
|
return rv.err
|
|
}
|
|
|
|
type fakeOAuthTokenService struct {
|
|
passThruEnabled bool
|
|
token *oauth2.Token
|
|
}
|
|
|
|
func (ts *fakeOAuthTokenService) GetCurrentOAuthToken(context.Context, *user.SignedInUser) *oauth2.Token {
|
|
return ts.token
|
|
}
|
|
|
|
func (ts *fakeOAuthTokenService) IsOAuthPassThruEnabled(*datasources.DataSource) bool {
|
|
return ts.passThruEnabled
|
|
}
|
|
|
|
func (ts *fakeOAuthTokenService) HasOAuthEntry(context.Context, *user.SignedInUser) (*models.UserAuth, bool, error) {
|
|
return nil, false, nil
|
|
}
|
|
|
|
func (ts *fakeOAuthTokenService) TryTokenRefresh(context.Context, *models.UserAuth) error {
|
|
return nil
|
|
}
|
|
|
|
func (ts *fakeOAuthTokenService) InvalidateOAuthTokens(context.Context, *models.UserAuth) error {
|
|
return nil
|
|
}
|
|
|
|
type fakeDataSourceCache struct {
|
|
ds *datasources.DataSource
|
|
}
|
|
|
|
func (c *fakeDataSourceCache) GetDatasource(ctx context.Context, datasourceID int64, user *user.SignedInUser, skipCache bool) (*datasources.DataSource, error) {
|
|
return c.ds, nil
|
|
}
|
|
|
|
func (c *fakeDataSourceCache) GetDatasourceByUID(ctx context.Context, datasourceUID string, user *user.SignedInUser, skipCache bool) (*datasources.DataSource, error) {
|
|
return &datasources.DataSource{
|
|
Uid: datasourceUID,
|
|
}, nil
|
|
}
|
|
|
|
type fakePluginClient struct {
|
|
plugins.Client
|
|
req *backend.QueryDataRequest
|
|
}
|
|
|
|
func (c *fakePluginClient) QueryData(ctx context.Context, req *backend.QueryDataRequest) (*backend.QueryDataResponse, error) {
|
|
c.req = req
|
|
|
|
// If an expression query ends up getting directly queried, we want it to return an error in our test.
|
|
if req.PluginContext.PluginID == "__expr__" {
|
|
return nil, errors.New("cant query an expression datasource")
|
|
}
|
|
|
|
if req.Queries[0].QueryType == "FAIL" {
|
|
return nil, errors.New("plugin client failed")
|
|
}
|
|
|
|
return &backend.QueryDataResponse{Responses: make(backend.Responses)}, nil
|
|
}
|