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CloudWatch: small logs refactors (#44677)

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This commit is contained in:
Isabella Siu
2022-01-31 17:30:16 -05:00
committed by GitHub
parent 4f44ff7ce8
commit cbbf451b36
3 changed files with 19 additions and 22 deletions
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pkg/tsdb/cloudwatch/cloudwatch.go
+12 -17
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@@ -47,12 +47,17 @@ type datasourceInfo struct {
HTTPClient *http.Client
}
const cloudWatchTSFormat = "2006-01-02 15:04:05.000"
const defaultRegion = "default"
const (
cloudWatchTSFormat = "2006-01-02 15:04:05.000"
defaultRegion = "default"
// Constants also defined in datasource/cloudwatch/datasource.ts
const logIdentifierInternal = "__log__grafana_internal__"
const logStreamIdentifierInternal = "__logstream__grafana_internal__"
// Constants also defined in datasource/cloudwatch/datasource.ts
logIdentifierInternal = "__log__grafana_internal__"
logStreamIdentifierInternal = "__logstream__grafana_internal__"
alertMaxAttempts = 8
alertPollPeriod = 1000 * time.Millisecond
)
var plog = log.New("tsdb.cloudwatch")
var aliasFormat = regexp.MustCompile(`\{\{\s*(.+?)\s*\}\}`)
@@ -222,9 +227,6 @@ func (e *cloudWatchExecutor) getRGTAClient(region string, pluginCtx backend.Plug
func (e *cloudWatchExecutor) alertQuery(ctx context.Context, logsClient cloudwatchlogsiface.CloudWatchLogsAPI,
queryContext backend.DataQuery, model *simplejson.Json) (*cloudwatchlogs.GetQueryResultsOutput, error) {
const maxAttempts = 8
const pollPeriod = 1000 * time.Millisecond
startQueryOutput, err := e.executeStartQuery(ctx, logsClient, model, queryContext.TimeRange)
if err != nil {
return nil, err
@@ -235,7 +237,7 @@ func (e *cloudWatchExecutor) alertQuery(ctx context.Context, logsClient cloudwat
"queryId": *startQueryOutput.QueryId,
})
ticker := time.NewTicker(pollPeriod)
ticker := time.NewTicker(alertPollPeriod)
defer ticker.Stop()
attemptCount := 1
@@ -247,7 +249,7 @@ func (e *cloudWatchExecutor) alertQuery(ctx context.Context, logsClient cloudwat
if isTerminated(*res.Status) {
return res, err
}
if attemptCount >= maxAttempts {
if attemptCount >= alertMaxAttempts {
return res, fmt.Errorf("fetching of query results exceeded max number of attempts")
}
@@ -322,13 +324,6 @@ func (e *cloudWatchExecutor) executeLogAlertQuery(ctx context.Context, req *back
return nil, err
}
result, err := e.executeStartQuery(ctx, logsClient, model, q.TimeRange)
if err != nil {
return nil, err
}
model.Set("queryId", *result.QueryId)
getQueryResultsOutput, err := e.alertQuery(ctx, logsClient, q, model)
if err != nil {
return nil, err