Files
selfpost/internal/health/socket.go
T
mix 8ce050ef7f release: 0.1.0: Phases 0-11: panel, Postfix/DKIM, milter, backup, Docker image
Initial feature-complete implementation of the v1.0 specification (phases 0-11 of `docs/implementation-plan.md`).
Added:
  - Panel (Go, single static binary) with SQLite persistence, one-time
  - Domain management with per-domain DKIM (RSA-2048, generated in pure Go) and
  - Application (sender identity) management: SASL credentials via `sasldb2`,
  - Full Postfix relay config generated from env at container start: SMTPS 465,
  - Journal milter (pure Go, `go-milter`) recording every send to `send_log`;
  … (6 more in CHANGELOG)

Full detail: CHANGELOG.md (0.1.0).
2026-09-22 15:24:51 +03:00

57 lines
1.4 KiB
Go

package health
import (
"fmt"
"os"
)
// Socket is the state of one milter socket Postfix connects to.
type Socket struct {
Name string
Path string
Present bool
Status Status
Detail string
}
// CheckSocket stats a milter socket. required distinguishes the two milters:
// OpenDKIM runs with default_action=tempfail, so a missing socket stops mail
// leaving the server, while the journal-milter fails open — mail still goes out,
// only the send log stops being written.
func CheckSocket(name, path string, required bool) Socket {
s := Socket{Name: name, Path: path}
if path == "" {
s.Status = StatusUnknown
s.Detail = "No socket path is configured."
return s
}
fi, err := os.Stat(path)
switch {
case err != nil:
s.Status = missingStatus(required)
s.Detail = missingDetail(name, required)
case fi.Mode()&os.ModeSocket == 0:
s.Status = missingStatus(required)
s.Detail = fmt.Sprintf("%s exists but is not a socket.", path)
default:
s.Present = true
s.Status = StatusOK
s.Detail = "Listening."
}
return s
}
func missingStatus(required bool) Status {
if required {
return StatusError
}
return StatusWarn
}
func missingDetail(name string, required bool) string {
if required {
return fmt.Sprintf("The %s socket is missing. Postfix rejects mail with a temporary error until it is back.", name)
}
return fmt.Sprintf("The %s socket is missing. Mail still goes out, but the send log is not being written.", name)
}