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Merge pull request #131 from bernerdschaefer/cross-origin-metrics

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Set CORS Headers on API requests
This commit is contained in:
juliusv 2013-04-12 03:07:30 -07:00
parent 926d03d2bd 5e9447996b
commit 63ac59d2d3
1 changed files with 10 additions and 0 deletions
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10
web/api/query.go
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@ -26,6 +26,13 @@ import (
"time"
)
func (serv MetricsService) setAccessControlHeaders(rb *gorest.ResponseBuilder) {
rb.AddHeader("Access-Control-Allow-Headers", "Accept, Authorization, Content-Type, Origin")
rb.AddHeader("Access-Control-Allow-Methods", "GET")
rb.AddHeader("Access-Control-Allow-Origin", "*")
rb.AddHeader("Access-Control-Expose-Headers", "Date")
}
func (serv MetricsService) Query(expr string, formatJson string) (result string) {
exprNode, err := rules.LoadExprFromString(expr)
if err != nil {
@ -35,6 +42,7 @@ func (serv MetricsService) Query(expr string, formatJson string) (result string)
timestamp := serv.time.Now()
rb := serv.ResponseBuilder()
serv.setAccessControlHeaders(rb)
var format ast.OutputFormat
if formatJson != "" {
format = ast.JSON
@ -56,6 +64,7 @@ func (serv MetricsService) QueryRange(expr string, end int64, duration int64, st
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 {
@ -89,6 +98,7 @@ func (serv MetricsService) QueryRange(expr string, end int64, duration int64, st
func (serv MetricsService) Metrics() string {
metricNames, err := serv.appState.Storage.GetAllValuesForLabel(model.MetricNameLabel)
rb := serv.ResponseBuilder()
serv.setAccessControlHeaders(rb)
rb.SetContentType(gorest.Application_Json)
if err != nil {
log.Printf("Error loading metric names: %v", err)