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Always set CORS headers at beginning of API handler.

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Change-Id: Icde9a74260c4bb919f09c3e10c6dd5f372ccdaec
This commit is contained in:
Julius Volz 2013-10-16 15:59:47 +02:00
parent c7daedc840
commit a50ee8df30
1 changed files with 8 additions and 5 deletions
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13
web/api/query.go
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@ -38,6 +38,9 @@ func (serv MetricsService) setAccessControlHeaders(rb *gorest.ResponseBuilder) {
}
func (serv MetricsService) Query(expr string, asText string) string {
rb := serv.ResponseBuilder()
serv.setAccessControlHeaders(rb)
exprNode, err := rules.LoadExprFromString(expr)
if err != nil {
return ast.ErrorToJSON(err)
@ -45,8 +48,6 @@ func (serv MetricsService) Query(expr string, asText string) string {
timestamp := serv.time.Now()
rb := serv.ResponseBuilder()
serv.setAccessControlHeaders(rb)
var format ast.OutputFormat
// BUG(julius): Use Content-Type negotiation.
if asText == "" {
@ -64,6 +65,9 @@ func (serv MetricsService) Query(expr string, asText string) string {
}
func (serv MetricsService) QueryRange(expr string, end int64, duration int64, step int64) string {
rb := serv.ResponseBuilder()
serv.setAccessControlHeaders(rb)
exprNode, err := rules.LoadExprFromString(expr)
if err != nil {
return ast.ErrorToJSON(err)
@ -71,8 +75,6 @@ func (serv MetricsService) QueryRange(expr string, end int64, duration int64, st
if exprNode.Type() != ast.VECTOR {
return ast.ErrorToJSON(errors.New("Expression does not evaluate to vector type"))
}
rb := serv.ResponseBuilder()
serv.setAccessControlHeaders(rb)
rb.SetContentType(gorest.Application_Json)
if end == 0 {
@ -118,9 +120,10 @@ func (serv MetricsService) QueryRange(expr string, end int64, duration int64, st
}
func (serv MetricsService) Metrics() string {
metricNames, err := serv.Storage.GetAllValuesForLabel(clientmodel.MetricNameLabel)
rb := serv.ResponseBuilder()
serv.setAccessControlHeaders(rb)
metricNames, err := serv.Storage.GetAllValuesForLabel(clientmodel.MetricNameLabel)
rb.SetContentType(gorest.Application_Json)
if err != nil {
glog.Error("Error loading metric names: ", err)