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package alertlog
import (
"regexp"
"strings"
)
func (e *Entry) subjectFromMessage() *Subject {
switch e._type {
case TypeCreated:
return createdSubject(e.message)
case TypeNotificationSent:
return notifSentSubject(e.message)
case _TypeResponseReceived:
return respRecvSubject(e.message)
case _TypeStatusChanged:
return statChgSubject(e.message)
}
return nil
}
var (
respRx = regexp.MustCompile(`^(Closed|Acknowledged) by (.*) via (SMS|VOICE)$`)
notifRx = regexp.MustCompile(`^Notification sent to (.*) via (SMS|VOICE)$`)
statRx = regexp.MustCompile(`^status changed to (active|closed) by (.*)( via UI)?$`)
)
func statChgSubject(msg string) *Subject {
parts := statRx.FindStringSubmatch(msg)
if len(parts) == 0 {
return nil
}
return &Subject{
Type: SubjectTypeUser,
Name: parts[2],
}
}
func statChgType(msg string) Type {
if msg == "Status updated from active to triggered" {
return TypeEscalated
} else if msg == "Status updated from triggered to active" {
return TypeAcknowledged
} else if strings.HasPrefix(msg, "status changed to closed") {
return TypeClosed
} else if strings.HasPrefix(msg, "status changed to active") {
return TypeAcknowledged
}
return ""
}
func respRecvType(msg string) Type {
parts := respRx.FindStringSubmatch(msg)
if len(parts) == 0 {
return ""
}
switch parts[1] {
case "Closed":
return TypeClosed
case "Acknowledged":
return TypeAcknowledged
}
return ""
}
func respRecvSubject(msg string) *Subject {
parts := respRx.FindStringSubmatch(msg)
if len(parts) == 0 {
return nil
}
if parts[3] == "VOICE" {
parts[3] = "Voice"
}
return &Subject{
Type: SubjectTypeUser,
Name: parts[2],
Classifier: parts[3],
}
}
func notifSentSubject(msg string) *Subject {
parts := notifRx.FindStringSubmatch(msg)
if len(parts) == 0 {
return nil
}
if parts[2] == "VOICE" {
parts[2] = "Voice"
}
return &Subject{
Type: SubjectTypeUser,
Name: parts[1],
Classifier: parts[2],
}
}
func createdSubject(msg string) *Subject {
switch msg {
case "Created via: grafana":
return &Subject{Type: SubjectTypeIntegrationKey, Classifier: "Grafana"}
case "Created via: site24x7":
return &Subject{Type: SubjectTypeIntegrationKey, Classifier: "Site24x7"}
case "Created via: prometheusAlertmanager":
return &Subject{Type: SubjectTypeIntegrationKey, Classifier: "PrometheusAlertmanager"}
case "Created via: manual":
return &Subject{Type: SubjectTypeUser, Classifier: "Web"}
case "Created via: generic":
return &Subject{Type: SubjectTypeIntegrationKey, Classifier: "Generic"}
case "Created via: universal":
return &Subject{Type: SubjectTypeIntegrationKey, Classifier: "Universal"}
}
return nil
}
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