| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package haproxy |
| 4 | |
| 5 | import ( |
| 6 | "errors" |
| 7 | |
| 8 | "github.com/netdata/netdata/go/plugins/pkg/prometheus" |
| 9 | "github.com/netdata/netdata/go/plugins/pkg/prometheus/selector" |
| 10 | "github.com/netdata/netdata/go/plugins/pkg/web" |
| 11 | ) |
| 12 | |
| 13 | func (c *Collector) validateConfig() error { |
| 14 | if c.URL == "" { |
| 15 | return errors.New("'url' is not set") |
| 16 | } |
| 17 | if _, err := web.NewHTTPRequest(c.RequestConfig); err != nil { |
| 18 | return err |
| 19 | } |
| 20 | return nil |
| 21 | } |
| 22 | |
| 23 | func (c *Collector) initPrometheusClient() (prometheus.Prometheus, error) { |
| 24 | httpClient, err := web.NewHTTPClient(c.ClientConfig) |
| 25 | if err != nil { |
| 26 | return nil, err |
| 27 | } |
| 28 | |
| 29 | prom := prometheus.NewWithSelector(httpClient, c.RequestConfig, sr) |
| 30 | return prom, nil |
| 31 | } |
| 32 | |
| 33 | var sr, _ = selector.Expr{ |
| 34 | Allow: []string{ |
| 35 | metricBackendHTTPResponsesTotal, |
| 36 | metricBackendCurrentQueue, |
| 37 | metricBackendQueueTimeAverageSeconds, |
| 38 | metricBackendBytesInTotal, |
| 39 | metricBackendResponseTimeAverageSeconds, |
| 40 | metricBackendSessionsTotal, |
| 41 | metricBackendCurrentSessions, |
| 42 | metricBackendBytesOutTotal, |
| 43 | }, |
| 44 | }.Parse() |