fail2ban-prometheus-exporter/collector/textfile/collector.go
2023-06-19 17:58:16 +00:00

48 lines
1,001 B
Go

package textfile
import (
"github.com/prometheus/client_golang/prometheus"
"gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/cfg"
"log"
)
type Collector struct {
enabled bool
folderPath string
fileMap map[string]*fileData
}
type fileData struct {
readErrors int
fileName string
fileContents []byte
}
func NewCollector(appSettings *cfg.AppSettings) *Collector {
collector := &Collector{
enabled: appSettings.FileCollectorPath != "",
folderPath: appSettings.FileCollectorPath,
fileMap: make(map[string]*fileData),
}
if collector.enabled {
log.Printf("reading textfile metrics from: %s", collector.folderPath)
}
return collector
}
func (c *Collector) Describe(ch chan<- *prometheus.Desc) {
if c.enabled {
ch <- metricReadError
}
}
func (c *Collector) Collect(ch chan<- prometheus.Metric) {
if c.enabled {
c.collectFileContents()
c.collectFileErrors(ch)
}
}
func (c *Collector) appendErrorForPath(path string) {
c.fileMap[path].readErrors++
}