kubernetes-sigs/prometheus-adapter
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Continuing version updates.

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This commit is contained in:
Tony Compton 2018-06-27 12:55:52 -04:00
parent cdd2e9be39
commit f49892b097
4 changed files with 52 additions and 51 deletions
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19
pkg/custom-provider/provider.go
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@ -51,6 +51,9 @@ type prometheusProvider struct {
rateInterval time.Duration
}
type DoubleMetricProvider interface {
}
func NewPrometheusProvider(mapper apimeta.RESTMapper, kubeClient dynamic.ClientPool, promClient prom.Client, labelPrefix string, updateInterval time.Duration, rateInterval time.Duration, stopChan <-chan struct{}) provider.CustomMetricsProvider {
lister := &cachingMetricsLister{
updateInterval: updateInterval,
@ -98,7 +101,7 @@ func (p *prometheusProvider) metricFor(value pmodel.SampleValue, groupResource s
}, nil
}
func (p *prometheusProvider) metricsFor(valueSet pmodel.Vector, info provider.MetricInfo, list runtime.Object) (*custom_metrics.MetricValueList, error) {
func (p *prometheusProvider) metricsFor(valueSet pmodel.Vector, info provider.CustomMetricInfo, list runtime.Object) (*custom_metrics.MetricValueList, error) {
if !apimeta.IsListType(list) {
return nil, apierr.NewInternalError(fmt.Errorf("result of label selector list operation was not a list"))
}
@ -132,7 +135,7 @@ func (p *prometheusProvider) metricsFor(valueSet pmodel.Vector, info provider.Me
}, nil
}
func (p *prometheusProvider) buildQuery(info provider.MetricInfo, namespace string, names ...string) (pmodel.Vector, error) {
func (p *prometheusProvider) buildQuery(info provider.CustomMetricInfo, namespace string, names ...string) (pmodel.Vector, error) {
kind, baseQuery, groupBy, found := p.QueryForMetric(info, namespace, names...)
if !found {
return nil, provider.NewMetricNotFoundError(info.GroupResource, info.Metric)
@ -170,7 +173,7 @@ func (p *prometheusProvider) buildQuery(info provider.MetricInfo, namespace stri
return *queryResults.Vector, nil
}
func (p *prometheusProvider) getSingle(info provider.MetricInfo, namespace, name string) (*custom_metrics.MetricValue, error) {
func (p *prometheusProvider) getSingle(info provider.CustomMetricInfo, namespace, name string) (*custom_metrics.MetricValue, error) {
queryResults, err := p.buildQuery(info, namespace, name)
if err != nil {
return nil, err
@ -198,7 +201,7 @@ func (p *prometheusProvider) getSingle(info provider.MetricInfo, namespace, name
return p.metricFor(resultValue, info.GroupResource, "", name, info.Metric)
}
func (p *prometheusProvider) getMultiple(info provider.MetricInfo, namespace string, selector labels.Selector) (*custom_metrics.MetricValueList, error) {
func (p *prometheusProvider) getMultiple(info provider.CustomMetricInfo, namespace string, selector labels.Selector) (*custom_metrics.MetricValueList, error) {
// construct a client to list the names of objects matching the label selector
client, err := p.kubeClient.ClientForGroupVersionResource(info.GroupResource.WithVersion(""))
if err != nil {
@ -244,7 +247,7 @@ func (p *prometheusProvider) getMultiple(info provider.MetricInfo, namespace str
}
func (p *prometheusProvider) GetRootScopedMetricByName(groupResource schema.GroupResource, name string, metricName string) (*custom_metrics.MetricValue, error) {
info := provider.MetricInfo{
info := provider.CustomMetricInfo{
GroupResource: groupResource,
Metric: metricName,
Namespaced: false,
@ -254,7 +257,7 @@ func (p *prometheusProvider) GetRootScopedMetricByName(groupResource schema.Grou
}
func (p *prometheusProvider) GetRootScopedMetricBySelector(groupResource schema.GroupResource, selector labels.Selector, metricName string) (*custom_metrics.MetricValueList, error) {
info := provider.MetricInfo{
info := provider.CustomMetricInfo{
GroupResource: groupResource,
Metric: metricName,
Namespaced: false,
@ -263,7 +266,7 @@ func (p *prometheusProvider) GetRootScopedMetricBySelector(groupResource schema.
}
func (p *prometheusProvider) GetNamespacedMetricByName(groupResource schema.GroupResource, namespace string, name string, metricName string) (*custom_metrics.MetricValue, error) {
info := provider.MetricInfo{
info := provider.CustomMetricInfo{
GroupResource: groupResource,
Metric: metricName,
Namespaced: true,
@ -273,7 +276,7 @@ func (p *prometheusProvider) GetNamespacedMetricByName(groupResource schema.Grou
}
func (p *prometheusProvider) GetNamespacedMetricBySelector(groupResource schema.GroupResource, namespace string, selector labels.Selector, metricName string) (*custom_metrics.MetricValueList, error) {
info := provider.MetricInfo{
info := provider.CustomMetricInfo{
GroupResource: groupResource,
Metric: metricName,
Namespaced: true,