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// SPDX-License-Identifier: GPL-3.0-or-later
package rspamd
import (
"encoding/json"
"fmt"
"io"
"net/http"
"github.com/netdata/netdata/go/go.d.plugin/pkg/stm"
"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
)
type rspamdStats struct {
Version string `json:"version"`
ConfigId string `json:"config_id"`
Scanned *int64 `json:"scanned" stm:"scanned"`
Learned *int64 `json:"learned" stm:"learned"`
Actions struct {
Reject int64 `json:"reject" stm:"reject"`
SoftReject int64 `json:"soft reject" stm:"soft_reject"`
RewriteSubject int64 `json:"rewrite subject" stm:"rewrite_subject"`
AddHeader int64 `json:"add header" stm:"add_header"`
Greylist int64 `json:"greylist" stm:"greylist"`
NoAction int64 `json:"no action" stm:"no_action"`
InvalidMaxAction int64 `json:"invalid max action" stm:"invalid_max_action"`
Custom int64 `json:"custom" stm:"custom"`
Discard int64 `json:"discard" stm:"discard"`
Quarantine int64 `json:"quarantine" stm:"quarantine"`
UnknownAction int64 `json:"unknown action" stm:"unknown_action"`
} `json:"actions" stm:"actions"`
ScanTimes []float64 `json:"scan_times"`
SpamCount int64 `json:"spam_count" stm:"spam_count"`
HamCount int64 `json:"ham_count" stm:"ham_count"`
Connections int64 `json:"connections" stm:"connections"`
ControlConnections int64 `json:"control_connections" stm:"control_connections"`
FuzzyHashes map[string]int64 `json:"fuzzy_hashes"`
}
func (r *Rspamd) collect() (map[string]int64, error) {
stats, err := r.queryRspamdStats()
if err != nil {
return nil, err
}
mx := stm.ToMap(stats)
return mx, nil
}
func (r *Rspamd) queryRspamdStats() (*rspamdStats, error) {
req, err := web.NewHTTPRequest(r.Request)
if err != nil {
return nil, err
}
req.URL.Path = "/stat"
var stats rspamdStats
if err := r.doOKDecode(req, &stats); err != nil {
return nil, err
}
if stats.Scanned == nil || stats.Learned == nil {
return nil, fmt.Errorf("unexpected response: not rspamd data")
}
return &stats, nil
}
func (r *Rspamd) doOKDecode(req *http.Request, in interface{}) error {
resp, err := r.httpClient.Do(req)
if err != nil {
return fmt.Errorf("error on HTTP request '%s': %v", req.URL, err)
}
defer closeBody(resp)
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("'%s' returned HTTP status code: %d", req.URL, resp.StatusCode)
}
if err := json.NewDecoder(resp.Body).Decode(in); err != nil {
return fmt.Errorf("error on decoding response from '%s': %v", req.URL, err)
}
return nil
}
func closeBody(resp *http.Response) {
if resp != nil && resp.Body != nil {
_, _ = io.Copy(io.Discard, resp.Body)
_ = resp.Body.Close()
}
}
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