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Commit 9ebcb53c authored by ale's avatar ale
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Add systemd activation notification

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Stage: release
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auth.go
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......@@ -9,6 +9,7 @@ import (
"os"
"git.autistici.org/ai3/go-common/pwhash"
"github.com/coreos/go-systemd/v22/daemon"
)
var (
......@@ -70,6 +71,10 @@ func main() {
log.Fatalf("error: %v", err)
}
// Notify systemd that we are ready to serve. This call is
// allowed to fail (in case there is no systemd).
daemon.SdNotify(false, "READY=1") // nolint
err = http.Serve(l, http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
if req.URL.Path != "/__auth" {
http.NotFound(w, req)
......
go.mod
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......@@ -5,6 +5,7 @@ go 1.22.9
require (
git.autistici.org/ai3/go-common v0.0.0-20241017171051-880a2c5ae7f4
github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
github.com/coreos/go-systemd/v22 v22.5.0
)
require (
......
vendor/github.com/coreos/go-systemd/v22/LICENSE 0 → 100644
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− 0
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vendor/github.com/coreos/go-systemd/v22/NOTICE 0 → 100644
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− 0
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CoreOS Project
Copyright 2018 CoreOS, Inc
This product includes software developed at CoreOS, Inc.
(http://www.coreos.com/).
vendor/github.com/coreos/go-systemd/v22/daemon/sdnotify.go 0 → 100644
+ 84
− 0
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// Copyright 2014 Docker, Inc.
// Copyright 2015-2018 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Package daemon provides a Go implementation of the sd_notify protocol.
// It can be used to inform systemd of service start-up completion, watchdog
// events, and other status changes.
//
// https://www.freedesktop.org/software/systemd/man/sd_notify.html#Description
package daemon
import (
"net"
"os"
)
const (
// SdNotifyReady tells the service manager that service startup is finished
// or the service finished loading its configuration.
SdNotifyReady = "READY=1"
// SdNotifyStopping tells the service manager that the service is beginning
// its shutdown.
SdNotifyStopping = "STOPPING=1"
// SdNotifyReloading tells the service manager that this service is
// reloading its configuration. Note that you must call SdNotifyReady when
// it completed reloading.
SdNotifyReloading = "RELOADING=1"
// SdNotifyWatchdog tells the service manager to update the watchdog
// timestamp for the service.
SdNotifyWatchdog = "WATCHDOG=1"
)
// SdNotify sends a message to the init daemon. It is common to ignore the error.
// If `unsetEnvironment` is true, the environment variable `NOTIFY_SOCKET`
// will be unconditionally unset.
//
// It returns one of the following:
// (false, nil) - notification not supported (i.e. NOTIFY_SOCKET is unset)
// (false, err) - notification supported, but failure happened (e.g. error connecting to NOTIFY_SOCKET or while sending data)
// (true, nil) - notification supported, data has been sent
func SdNotify(unsetEnvironment bool, state string) (bool, error) {
socketAddr := &net.UnixAddr{
Name: os.Getenv("NOTIFY_SOCKET"),
Net: "unixgram",
}
// NOTIFY_SOCKET not set
if socketAddr.Name == "" {
return false, nil
}
if unsetEnvironment {
if err := os.Unsetenv("NOTIFY_SOCKET"); err != nil {
return false, err
}
}
conn, err := net.DialUnix(socketAddr.Net, nil, socketAddr)
// Error connecting to NOTIFY_SOCKET
if err != nil {
return false, err
}
defer conn.Close()
if _, err = conn.Write([]byte(state)); err != nil {
return false, err
}
return true, nil
}
vendor/github.com/coreos/go-systemd/v22/daemon/watchdog.go 0 → 100644
+ 73
− 0
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// Copyright 2016 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package daemon
import (
"fmt"
"os"
"strconv"
"time"
)
// SdWatchdogEnabled returns watchdog information for a service.
// Processes should call daemon.SdNotify(false, daemon.SdNotifyWatchdog) every
// time / 2.
// If `unsetEnvironment` is true, the environment variables `WATCHDOG_USEC` and
// `WATCHDOG_PID` will be unconditionally unset.
//
// It returns one of the following:
// (0, nil) - watchdog isn't enabled or we aren't the watched PID.
// (0, err) - an error happened (e.g. error converting time).
// (time, nil) - watchdog is enabled and we can send ping. time is delay
// before inactive service will be killed.
func SdWatchdogEnabled(unsetEnvironment bool) (time.Duration, error) {
wusec := os.Getenv("WATCHDOG_USEC")
wpid := os.Getenv("WATCHDOG_PID")
if unsetEnvironment {
wusecErr := os.Unsetenv("WATCHDOG_USEC")
wpidErr := os.Unsetenv("WATCHDOG_PID")
if wusecErr != nil {
return 0, wusecErr
}
if wpidErr != nil {
return 0, wpidErr
}
}
if wusec == "" {
return 0, nil
}
s, err := strconv.Atoi(wusec)
if err != nil {
return 0, fmt.Errorf("error converting WATCHDOG_USEC: %s", err)
}
if s <= 0 {
return 0, fmt.Errorf("error WATCHDOG_USEC must be a positive number")
}
interval := time.Duration(s) * time.Microsecond
if wpid == "" {
return interval, nil
}
p, err := strconv.Atoi(wpid)
if err != nil {
return 0, fmt.Errorf("error converting WATCHDOG_PID: %s", err)
}
if os.Getpid() != p {
return 0, nil
}
return interval, nil
}
vendor/modules.txt
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......@@ -7,6 +7,9 @@ github.com/amoghe/go-crypt
# github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
## explicit
github.com/coreos/go-systemd/activation
# github.com/coreos/go-systemd/v22 v22.5.0
## explicit; go 1.12
github.com/coreos/go-systemd/v22/daemon
# golang.org/x/crypto v0.27.0
## explicit; go 1.20
golang.org/x/crypto/argon2
......
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