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Elasticsearch: Add error source for DataQuery (#77386)

Browse Source 
* WIP

* Refactor, plus update source of error in response_parser

* Adjust test

* Use methods and httpclient from errorsource

* Update pkg/tsdb/elasticsearch/data_query.go

Co-authored-by: Scott Lepper <scott.lepper@gmail.com>

* Return nil error

* Fix test

* Fix integration test

---------

Co-authored-by: Scott Lepper <scott.lepper@gmail.com>
This commit is contained in:
Ivana Huckova 2023-11-06 11:36:39 +01:00 committed by GitHub
parent f88a0f36ec
commit a1718aafce
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 26 additions and 15 deletions
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3
go.sum
View File

@ -1754,6 +1754,7 @@ github.com/google/pprof v0.0.0-20230228050547-1710fef4ab10/go.mod h1:79YE0hCXdHa
github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/google/s2a-go v0.1.7 h1:60BLSyTrOV4/haCDW4zb1guZItoSq8foHCXrAnjBo/o=
github.com/google/s2a-go v0.1.7/go.mod h1:50CgR4k1jNlWBu4UfS4AcfhVe1r6pdZPygJ3R8F0Qdw=
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3pAXIBCelhxNneeOaAeabZDe5s4K6zSpQ=
github.com/google/subcommands v1.0.1/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/google/uuid v1.1.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@ -1833,6 +1834,8 @@ github.com/grafana/gofpdf v0.0.0-20231002120153-857cc45be447 h1:jxJJ5z0GxqhWFbQU
github.com/grafana/gofpdf v0.0.0-20231002120153-857cc45be447/go.mod h1:IxsY6mns6Q5sAnWcrptrgUrSglTZJXH/kXr9nbpb/9I=
github.com/grafana/grafana-aws-sdk v0.19.1 h1:5GBiOv2AgdyjwlgAX+dtgPtXU4FgMTD9rfQUPQseEpQ=
github.com/grafana/grafana-aws-sdk v0.19.1/go.mod h1:ntq2NDH12Y2Fkbc6fozpF8kYsJM9k6KNr+Xfo5w3/iM=
github.com/grafana/grafana-aws-sdk v0.19.2 h1:GCLdo3oz7gp/ZJvbgFktMP5LKdNLnhxh/nLGzuxnJPA=
github.com/grafana/grafana-aws-sdk v0.19.2/go.mod h1:IDhwY+LF6jD1zute5UvbZ5DY8aI4DQ+LjU8RjfayD20=
github.com/grafana/grafana-azure-sdk-go v1.9.0 h1:4JRwlqgUtPRAQSoiV4DFZDQ3lbNsauHqj9kC6SMR9Ak=
github.com/grafana/grafana-azure-sdk-go v1.9.0/go.mod h1:1vBa0KOl+/Kcm7V888OyMXDSFncmek14q7XhEkrcSaA=
github.com/grafana/grafana-google-sdk-go v0.1.0 h1:LKGY8z2DSxKjYfr2flZsWgTRTZ6HGQbTqewE3JvRaNA=

2
pkg/tests/api/elasticsearch/elasticsearch_test.go
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@ -95,7 +95,7 @@ func TestIntegrationElasticsearch(t *testing.T) {
resp, err := http.Post(u, "application/json", buf1)
require.NoError(t, err)
require.Equal(t, http.StatusInternalServerError, resp.StatusCode)
require.Equal(t, http.StatusBadRequest, resp.StatusCode)
t.Cleanup(func() {
err := resp.Body.Close()
require.NoError(t, err)

11
pkg/tsdb/elasticsearch/data_query.go
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@ -10,6 +10,7 @@ import (
"time"
"github.com/grafana/grafana-plugin-sdk-go/backend"
"github.com/grafana/grafana-plugin-sdk-go/experimental/errorsource"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/infra/log"
@ -41,12 +42,13 @@ var newElasticsearchDataQuery = func(ctx context.Context, client es.Client, data
func (e *elasticsearchDataQuery) execute() (*backend.QueryDataResponse, error) {
start := time.Now()
response := backend.NewQueryDataResponse()
e.logger.Debug("Parsing queries", "queriesLength", len(e.dataQueries))
queries, err := parseQuery(e.dataQueries, e.logger)
if err != nil {
mq, _ := json.Marshal(e.dataQueries)
e.logger.Error("Failed to parse queries", "error", err, "queries", string(mq), "queriesLength", len(queries), "duration", time.Since(start), "stage", es.StagePrepareRequest)
return &backend.QueryDataResponse{}, err
return errorsource.AddPluginErrorToResponse(e.dataQueries[0].RefID, response, err), nil
}
ms := e.client.MultiSearch()
@ -57,7 +59,7 @@ func (e *elasticsearchDataQuery) execute() (*backend.QueryDataResponse, error) {
if err := e.processQuery(q, ms, from, to); err != nil {
mq, _ := json.Marshal(q)
e.logger.Error("Failed to process query to multisearch request builder", "error", err, "query", string(mq), "queriesLength", len(queries), "duration", time.Since(start), "stage", es.StagePrepareRequest)
return &backend.QueryDataResponse{}, err
return errorsource.AddPluginErrorToResponse(q.RefID, response, err), nil
}
}
@ -65,13 +67,14 @@ func (e *elasticsearchDataQuery) execute() (*backend.QueryDataResponse, error) {
if err != nil {
mqs, _ := json.Marshal(e.dataQueries)
e.logger.Error("Failed to build multisearch request", "error", err, "queriesLength", len(queries), "queries", string(mqs), "duration", time.Since(start), "stage", es.StagePrepareRequest)
return &backend.QueryDataResponse{}, err
return errorsource.AddPluginErrorToResponse(e.dataQueries[0].RefID, response, err), nil
}
e.logger.Info("Prepared request", "queriesLength", len(queries), "duration", time.Since(start), "stage", es.StagePrepareRequest)
res, err := e.client.ExecuteMultisearch(req)
if err != nil {
return &backend.QueryDataResponse{}, err
// We are returning error containing the source that was added trough errorsource.Middleware
return errorsource.AddErrorToResponse(e.dataQueries[0].RefID, response, err), nil
}
return parseResponse(e.ctx, res.Responses, queries, e.client.GetConfiguredFields(), e.logger, e.tracer)

7
pkg/tsdb/elasticsearch/data_query_test.go
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@ -1428,10 +1428,12 @@ func TestExecuteElasticsearchDataQuery(t *testing.T) {
t.Run("With invalid query should return error", (func(t *testing.T) {
c := newFakeClient()
_, err := executeElasticsearchDataQuery(c, `{
res, err := executeElasticsearchDataQuery(c, `{
"query": "foo",
}`, from, to)
require.Error(t, err)
require.NoError(t, err)
require.Equal(t, res.Responses["A"].ErrorSource, backend.ErrorSourcePlugin)
require.Equal(t, res.Responses["A"].Error.Error(), "invalid character '}' looking for beginning of object key string")
}))
})
}
@ -1856,6 +1858,7 @@ func executeElasticsearchDataQuery(c es.Client, body string, from, to time.Time)
{
JSON: json.RawMessage(body),
TimeRange: timeRange,
RefID: "A",
},
},
}

4
pkg/tsdb/elasticsearch/elasticsearch.go
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@ -17,6 +17,7 @@ import (
"github.com/grafana/grafana-plugin-sdk-go/backend"
"github.com/grafana/grafana-plugin-sdk-go/backend/datasource"
"github.com/grafana/grafana-plugin-sdk-go/backend/instancemgmt"
exphttpclient "github.com/grafana/grafana-plugin-sdk-go/experimental/errorsource/httpclient"
"github.com/grafana/grafana/pkg/infra/httpclient"
"github.com/grafana/grafana/pkg/infra/log"
@ -87,7 +88,8 @@ func newInstanceSettings(httpClientProvider httpclient.Provider) datasource.Inst
httpCliOpts.SigV4.Service = "es"
}
httpCli, err := httpClientProvider.New(httpCliOpts)
// enable experimental http client to support errors with source
httpCli, err := exphttpclient.New(httpCliOpts)
if err != nil {
return nil, err
}

5
pkg/tsdb/elasticsearch/error_handling_test.go
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@ -139,11 +139,12 @@ func TestNonElasticError(t *testing.T) {
// to access the database for some reason.
response := []byte(`Access to the database is forbidden`)
_, err := queryDataTestWithResponseCode(query, 403, response)
res, err := queryDataTestWithResponseCode(query, 403, response)
// FIXME: we should return something better.
// currently it returns the error-message about being unable to decode JSON
// it is not 100% clear what we should return to the browser
// (and what to debug-log for example), we could return
// at least something like "unknown response, http status code 403"
require.ErrorContains(t, err, "invalid character")
require.NoError(t, err)
require.Contains(t, res.response.Responses["A"].Error.Error(), "invalid character")
}

5
pkg/tsdb/elasticsearch/response_parser.go
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@ -13,6 +13,7 @@ import (
"github.com/grafana/grafana-plugin-sdk-go/backend"
"github.com/grafana/grafana-plugin-sdk-go/data"
"github.com/grafana/grafana-plugin-sdk-go/experimental/errorsource"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/trace"
@ -73,9 +74,7 @@ func parseResponse(ctx context.Context, responses []*es.SearchResponse, targets
resSpan.End()
logger.Error("Processing error response from Elasticsearch", "error", string(me), "query", string(mt))
errResult := getErrorFromElasticResponse(res)
result.Responses[target.RefID] = backend.DataResponse{
Error: errors.New(errResult),
}
result.Responses[target.RefID] = errorsource.Response(errorsource.PluginError(errors.New(errResult), false))
continue
}

2
public/dashboards/home.json
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@ -32,7 +32,7 @@
"showHeadings": true,
"folderId": 0,
"maxItems": 30,
"tags":[],
"tags": [],
"query": ""
},
"title": "Dashboards",