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Use default namespace in metrics exporter

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Signed-off-by: Vivek Singh <vivekkmr45@yahoo.in>
This commit is contained in:
Vivek Singh
2020-03-22 23:23:50 +05:30
committed by Alex Ellis
parent f7b02b47f8
commit c0ba41ce33
4 changed files with 16 additions and 14 deletions
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22
gateway/metrics/exporter.go
View File

@ -23,17 +23,19 @@ import (
// Exporter is a prometheus exporter
type Exporter struct {
metricOptions MetricOptions
services []types.FunctionStatus
credentials *auth.BasicAuthCredentials
metricOptions MetricOptions
services []types.FunctionStatus
credentials *auth.BasicAuthCredentials
FunctionNamespace string
}
// NewExporter creates a new exporter for the OpenFaaS gateway metrics
func NewExporter(options MetricOptions, credentials *auth.BasicAuthCredentials) *Exporter {
func NewExporter(options MetricOptions, credentials *auth.BasicAuthCredentials, namespace string) *Exporter {
return &Exporter{
metricOptions: options,
services: []types.FunctionStatus{},
credentials: credentials,
metricOptions: options,
services: []types.FunctionStatus{},
credentials: credentials,
FunctionNamespace: namespace,
}
}
@ -91,8 +93,7 @@ func (e *Exporter) StartServiceWatcher(endpointURL url.URL, metricsOptions Metri
}
if len(namespaces) == 0 {
emptyNamespace := ""
services, err := e.getFunctions(endpointURL, emptyNamespace)
services, err := e.getFunctions(endpointURL, e.FunctionNamespace)
if err != nil {
log.Println(err)
continue
@ -170,8 +171,9 @@ func (e *Exporter) getFunctions(endpointURL url.URL, namespace string) ([]types.
func (e *Exporter) getNamespaces(endpointURL url.URL) ([]string, error) {
namespaces := []string{}
endpointURL.Path = path.Join(endpointURL.Path, "system/namespaces")
get, _ := http.NewRequest(http.MethodGet, endpointURL.String()+"system/namespaces", nil)
get, _ := http.NewRequest(http.MethodGet, endpointURL.String(), nil)
if e.credentials != nil {
get.SetBasicAuth(e.credentials.User, e.credentials.Password)
}

4
gateway/metrics/exporter_test.go
View File

@ -33,7 +33,7 @@ func readGauge(g prometheus.Metric) metricResult {
func Test_Describe_DescribesThePrometheusMetrics(t *testing.T) {
metricsOptions := BuildMetricsOptions()
exporter := NewExporter(metricsOptions, nil)
exporter := NewExporter(metricsOptions, nil, "openfaas-fn")
ch := make(chan *prometheus.Desc)
// defer close(ch)
@ -65,7 +65,7 @@ func Test_Describe_DescribesThePrometheusMetrics(t *testing.T) {
func Test_Collect_CollectsTheNumberOfReplicasOfAService(t *testing.T) {
metricsOptions := BuildMetricsOptions()
exporter := NewExporter(metricsOptions, nil)
exporter := NewExporter(metricsOptions, nil, "openfaas-fn")
expectedService := types.FunctionStatus{
Name: "function_with_two_replica",