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switch to slog.Logger for logging, for easier reuse of packages by external software

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we don't want external software to include internal details like mlog.
slog.Logger is/will be the standard.

we still have mlog for its helper functions, and its handler that logs in
concise logfmt used by mox.

packages that are not meant for reuse still pass around mlog.Log for
convenience.

we use golang.org/x/exp/slog because we also support the previous Go toolchain
version. with the next Go release, we'll switch to the builtin slog.
This commit is contained in:
Mechiel Lukkien
2023-12-05 13:35:58 +01:00
parent 56b2a9d980
commit 5b20cba50a
150 changed files with 5176 additions and 1898 deletions
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22
queue/submit.go
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@ -10,6 +10,8 @@ import (
"os"
"time"
"golang.org/x/exp/slog"
"github.com/mjl-/mox/config"
"github.com/mjl-/mox/dns"
"github.com/mjl-/mox/dsn"
@ -25,7 +27,7 @@ import (
// deliver via another SMTP server, e.g. relaying to a smart host, possibly
// with authentication (submission).
func deliverSubmit(cid int64, qlog *mlog.Log, resolver dns.Resolver, dialer smtpclient.Dialer, m Msg, backoff time.Duration, transportName string, transport *config.TransportSMTP, dialTLS bool, defaultPort int) {
func deliverSubmit(qlog mlog.Log, resolver dns.Resolver, dialer smtpclient.Dialer, m Msg, backoff time.Duration, transportName string, transport *config.TransportSMTP, dialTLS bool, defaultPort int) {
// todo: configurable timeouts
port := transport.Port
@ -52,7 +54,7 @@ func deliverSubmit(cid int64, qlog *mlog.Log, resolver dns.Resolver, dialer smtp
var success bool
defer func() {
metricDelivery.WithLabelValues(fmt.Sprintf("%d", m.Attempts), transportName, string(tlsMode), deliveryResult).Observe(float64(time.Since(start)) / float64(time.Second))
qlog.Debug("queue deliversubmit result", mlog.Field("host", transport.DNSHost), mlog.Field("port", port), mlog.Field("attempt", m.Attempts), mlog.Field("permanent", permanent), mlog.Field("secodeopt", secodeOpt), mlog.Field("errmsg", errmsg), mlog.Field("ok", success), mlog.Field("duration", time.Since(start)))
qlog.Debug("queue deliversubmit result", slog.Any("host", transport.DNSHost), slog.Int("port", port), slog.Int("attempt", m.Attempts), slog.Bool("permanent", permanent), slog.String("secodeopt", secodeOpt), slog.String("errmsg", errmsg), slog.Bool("ok", success), slog.Duration("duration", time.Since(start)))
}()
// todo: SMTP-DANE should be used when relaying on port 25.
@ -74,13 +76,13 @@ func deliverSubmit(cid int64, qlog *mlog.Log, resolver dns.Resolver, dialer smtp
if m.DialedIPs == nil {
m.DialedIPs = map[string][]net.IP{}
}
_, _, _, ips, _, err := smtpclient.GatherIPs(dialctx, qlog, resolver, dns.IPDomain{Domain: transport.DNSHost}, m.DialedIPs)
_, _, _, ips, _, err := smtpclient.GatherIPs(dialctx, qlog.Logger, resolver, dns.IPDomain{Domain: transport.DNSHost}, m.DialedIPs)
var conn net.Conn
if err == nil {
if m.DialedIPs == nil {
m.DialedIPs = map[string][]net.IP{}
}
conn, _, err = smtpclient.Dial(dialctx, qlog, dialer, dns.IPDomain{Domain: transport.DNSHost}, ips, port, m.DialedIPs)
conn, _, err = smtpclient.Dial(dialctx, qlog.Logger, dialer, dns.IPDomain{Domain: transport.DNSHost}, ips, port, m.DialedIPs)
}
addr := net.JoinHostPort(transport.Host, fmt.Sprintf("%d", port))
var result string
@ -100,7 +102,7 @@ func deliverSubmit(cid int64, qlog *mlog.Log, resolver dns.Resolver, dialer smtp
err := conn.Close()
qlog.Check(err, "closing connection")
}
qlog.Errorx("dialing for submission", err, mlog.Field("remote", addr))
qlog.Errorx("dialing for submission", err, slog.String("remote", addr))
errmsg = fmt.Sprintf("transport %s: dialing %s for submission: %v", transportName, addr, err)
fail(qlog, m, backoff, false, dsn.NameIP{}, "", errmsg)
return
@ -122,7 +124,7 @@ func deliverSubmit(cid int64, qlog *mlog.Log, resolver dns.Resolver, dialer smtp
auth = append(auth, sasl.NewClientSCRAMSHA256(a.Username, a.Password))
default:
// Should not happen.
qlog.Error("missing smtp authentication mechanisms implementation", mlog.Field("mechanism", mech))
qlog.Error("missing smtp authentication mechanisms implementation", slog.String("mechanism", mech))
errmsg = fmt.Sprintf("transport %s: authentication mechanisms %q not implemented", transportName, mech)
fail(qlog, m, backoff, false, dsn.NameIP{}, "", errmsg)
return
@ -135,14 +137,14 @@ func deliverSubmit(cid int64, qlog *mlog.Log, resolver dns.Resolver, dialer smtp
Auth: auth,
RootCAs: mox.Conf.Static.TLS.CertPool,
}
client, err := smtpclient.New(clientctx, qlog, conn, tlsMode, tlsPKIX, mox.Conf.Static.HostnameDomain, transport.DNSHost, opts)
client, err := smtpclient.New(clientctx, qlog.Logger, conn, tlsMode, tlsPKIX, mox.Conf.Static.HostnameDomain, transport.DNSHost, opts)
if err != nil {
smtperr, ok := err.(smtpclient.Error)
var remoteMTA dsn.NameIP
if ok {
remoteMTA.Name = transport.Host
}
qlog.Errorx("establishing smtp session for submission", err, mlog.Field("remote", addr))
qlog.Errorx("establishing smtp session for submission", err, slog.String("remote", addr))
errmsg = fmt.Sprintf("transport %s: establishing smtp session with %s for submission: %v", transportName, addr, err)
secodeOpt = smtperr.Secode
fail(qlog, m, backoff, false, remoteMTA, secodeOpt, errmsg)
@ -168,7 +170,7 @@ func deliverSubmit(cid int64, qlog *mlog.Log, resolver dns.Resolver, dialer smtp
p := m.MessagePath()
f, err := os.Open(p)
if err != nil {
qlog.Errorx("opening message for delivery", err, mlog.Field("remote", addr), mlog.Field("path", p))
qlog.Errorx("opening message for delivery", err, slog.String("remote", addr), slog.String("path", p))
errmsg = fmt.Sprintf("transport %s: opening message file for submission: %v", transportName, err)
fail(qlog, m, backoff, false, dsn.NameIP{}, "", errmsg)
return
@ -209,7 +211,7 @@ func deliverSubmit(cid int64, qlog *mlog.Log, resolver dns.Resolver, dialer smtp
if ok {
remoteMTA.Name = transport.Host
}
qlog.Errorx("submitting email", err, mlog.Field("remote", addr))
qlog.Errorx("submitting email", err, slog.String("remote", addr))
permanent = smtperr.Permanent
secodeOpt = smtperr.Secode
errmsg = fmt.Sprintf("transport %s: submitting email to %s: %v", transportName, addr, err)