| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package riakkv |
| 4 | |
| 5 | import ( |
| 6 | "errors" |
| 7 | "net/http" |
| 8 | |
| 9 | "github.com/netdata/netdata/go/plugins/pkg/stm" |
| 10 | "github.com/netdata/netdata/go/plugins/pkg/web" |
| 11 | ) |
| 12 | |
| 13 | func (c *Collector) collect() (map[string]int64, error) { |
| 14 | stats, err := c.getStats() |
| 15 | if err != nil { |
| 16 | return nil, err |
| 17 | } |
| 18 | |
| 19 | mx := stm.ToMap(stats) |
| 20 | |
| 21 | if len(mx) == 0 { |
| 22 | return nil, errors.New("no stats") |
| 23 | } |
| 24 | |
| 25 | c.once.Do(func() { c.adjustCharts(mx) }) |
| 26 | |
| 27 | return mx, nil |
| 28 | } |
| 29 | |
| 30 | func (c *Collector) getStats() (*riakStats, error) { |
| 31 | req, err := web.NewHTTPRequest(c.RequestConfig) |
| 32 | if err != nil { |
| 33 | return nil, err |
| 34 | } |
| 35 | |
| 36 | var stats riakStats |
| 37 | if err := c.client().RequestJSON(req, &stats); err != nil { |
| 38 | return nil, err |
| 39 | } |
| 40 | |
| 41 | return &stats, nil |
| 42 | } |
| 43 | |
| 44 | func (c *Collector) client() *web.Client { |
| 45 | return web.DoHTTP(c.httpClient).OnNokCode(func(resp *http.Response) (bool, error) { |
| 46 | if resp.StatusCode == http.StatusNotFound { |
| 47 | return false, errors.New("riak_kv_stat is not enabled)") |
| 48 | } |
| 49 | return false, nil |
| 50 | }) |
| 51 | } |