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Introduce TSDB service (#31520)

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* Introduce TSDB service

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Erik Sundell <erik.sundell87@gmail.com>
Co-authored-by: Will Browne <will.browne@grafana.com>
Co-authored-by: Torkel Ödegaard <torkel@grafana.org>
Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>
Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>
This commit is contained in:
Arve Knudsen
2021-03-08 07:02:49 +01:00
committed by GitHub
parent c899bf3592
commit b79e61656a
203 changed files with 5270 additions and 4777 deletions
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59
pkg/tsdb/azuremonitor/azuremonitor.go
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@@ -8,14 +8,30 @@ import (
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/tsdb"
"github.com/grafana/grafana/pkg/plugins"
"github.com/grafana/grafana/pkg/registry"
)
var (
azlog log.Logger
legendKeyFormat *regexp.Regexp
azlog = log.New("tsdb.azuremonitor")
legendKeyFormat = regexp.MustCompile(`\{\{\s*(.+?)\s*\}\}`)
)
func init() {
registry.Register(&registry.Descriptor{
Name: "AzureMonitorService",
InitPriority: registry.Low,
Instance: &Service{},
})
}
type Service struct {
}
func (s *Service) Init() error {
return nil
}
// AzureMonitorExecutor executes queries for the Azure Monitor datasource - all four services
type AzureMonitorExecutor struct {
httpClient *http.Client
@@ -23,7 +39,7 @@ type AzureMonitorExecutor struct {
}
// NewAzureMonitorExecutor initializes a http client
func NewAzureMonitorExecutor(dsInfo *models.DataSource) (tsdb.TsdbQueryEndpoint, error) {
func (s *Service) NewExecutor(dsInfo *models.DataSource) (plugins.DataPlugin, error) {
httpClient, err := dsInfo.GetHttpClient()
if err != nil {
return nil, err
@@ -35,23 +51,18 @@ func NewAzureMonitorExecutor(dsInfo *models.DataSource) (tsdb.TsdbQueryEndpoint,
}, nil
}
func init() {
azlog = log.New("tsdb.azuremonitor")
tsdb.RegisterTsdbQueryEndpoint("grafana-azure-monitor-datasource", NewAzureMonitorExecutor)
legendKeyFormat = regexp.MustCompile(`\{\{\s*(.+?)\s*\}\}`)
}
// Query takes in the frontend queries, parses them into the query format
// expected by chosen Azure Monitor service (Azure Monitor, App Insights etc.)
// executes the queries against the API and parses the response into
// the right format
func (e *AzureMonitorExecutor) Query(ctx context.Context, dsInfo *models.DataSource, tsdbQuery *tsdb.TsdbQuery) (*tsdb.Response, error) {
func (e *AzureMonitorExecutor) DataQuery(ctx context.Context, dsInfo *models.DataSource,
tsdbQuery plugins.DataQuery) (plugins.DataResponse, error) {
var err error
var azureMonitorQueries []*tsdb.Query
var applicationInsightsQueries []*tsdb.Query
var azureLogAnalyticsQueries []*tsdb.Query
var insightsAnalyticsQueries []*tsdb.Query
var azureMonitorQueries []plugins.DataSubQuery
var applicationInsightsQueries []plugins.DataSubQuery
var azureLogAnalyticsQueries []plugins.DataSubQuery
var insightsAnalyticsQueries []plugins.DataSubQuery
for _, query := range tsdbQuery.Queries {
queryType := query.Model.Get("queryType").MustString("")
@@ -66,7 +77,7 @@ func (e *AzureMonitorExecutor) Query(ctx context.Context, dsInfo *models.DataSou
case "Insights Analytics":
insightsAnalyticsQueries = append(insightsAnalyticsQueries, query)
default:
return nil, fmt.Errorf("alerting not supported for %q", queryType)
return plugins.DataResponse{}, fmt.Errorf("alerting not supported for %q", queryType)
}
}
@@ -90,24 +101,24 @@ func (e *AzureMonitorExecutor) Query(ctx context.Context, dsInfo *models.DataSou
dsInfo: e.dsInfo,
}
azResult, err := azDatasource.executeTimeSeriesQuery(ctx, azureMonitorQueries, tsdbQuery.TimeRange)
azResult, err := azDatasource.executeTimeSeriesQuery(ctx, azureMonitorQueries, *tsdbQuery.TimeRange)
if err != nil {
return nil, err
return plugins.DataResponse{}, err
}
aiResult, err := aiDatasource.executeTimeSeriesQuery(ctx, applicationInsightsQueries, tsdbQuery.TimeRange)
aiResult, err := aiDatasource.executeTimeSeriesQuery(ctx, applicationInsightsQueries, *tsdbQuery.TimeRange)
if err != nil {
return nil, err
return plugins.DataResponse{}, err
}
alaResult, err := alaDatasource.executeTimeSeriesQuery(ctx, azureLogAnalyticsQueries, tsdbQuery.TimeRange)
alaResult, err := alaDatasource.executeTimeSeriesQuery(ctx, azureLogAnalyticsQueries, *tsdbQuery.TimeRange)
if err != nil {
return nil, err
return plugins.DataResponse{}, err
}
iaResult, err := iaDatasource.executeTimeSeriesQuery(ctx, insightsAnalyticsQueries, tsdbQuery.TimeRange)
iaResult, err := iaDatasource.executeTimeSeriesQuery(ctx, insightsAnalyticsQueries, *tsdbQuery.TimeRange)
if err != nil {
return nil, err
return plugins.DataResponse{}, err
}
for k, v := range aiResult.Results {