GNU bug report logs - #45589
[PATCH] services: Add keepalived service.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Oleg Pykhalov <go.wigust <at> gmail.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#45589: closed ([PATCH] services: Add keepalived service.)
Date: Tue, 12 Jan 2021 11:43:01 +0000

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Your message dated Tue, 12 Jan 2021 14:42:04 +0300
with message-id <871req756b.fsf <at> gmail.com>
and subject line Re: bug#45589: Acknowledgement ([PATCH] services: Add keepalived service.)
has caused the debbugs.gnu.org bug report #45589,
regarding [PATCH] services: Add keepalived service.
to be marked as done.

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help-debbugs <at> gnu.org.)


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45589: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=45589
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From: Oleg Pykhalov <go.wigust <at> gmail.com>
To: guix-patches <at> gnu.org
Cc: Oleg Pykhalov <go.wigust <at> gmail.com>
Subject: [PATCH] services: Add keepalived service.
Date: Fri,  1 Jan 2021 13:14:21 +0300

* gnu/services/networking.scm (<keepalived-configuration>): New record.
(keepalived-shepherd-service): New procedure.
(keepalived-service-type): New variable.
* doc/guix.texi (Networking Services): Document this.
---
 doc/guix.texi               | 54 ++++++++++++++++++++++++++++++++++++-
 gnu/services/networking.scm | 47 +++++++++++++++++++++++++++++++-
 2 files changed, 99 insertions(+), 2 deletions(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 1081ed26a3..b11554fb4d 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -55,7 +55,7 @@ Copyright @copyright{} 2017 Andy Wingo@*
 Copyright @copyright{} 2017, 2018, 2019, 2020 Arun Isaac@*
 Copyright @copyright{} 2017 nee@*
 Copyright @copyright{} 2018 Rutger Helling@*
-Copyright @copyright{} 2018 Oleg Pykhalov@*
+Copyright @copyright{} 2018, 2021 Oleg Pykhalov@*
 Copyright @copyright{} 2018 Mike Gerwitz@*
 Copyright @copyright{} 2018 Pierre-Antoine Rouby@*
 Copyright @copyright{} 2018, 2019 Gábor Boskovits@*
@@ -17156,6 +17156,58 @@ address, delete everything except these options:
 @end table
 @end deftp
 
+@cindex keepalived
+@deffn {Scheme Variable} keepalived-service-type
+This is the type for the @uref{https://www.keepalived.org/, Keepalived}
+routing software, @command{keepalived}.  Its value must be an
+@code{keepalived-configuration} record as in this example for master
+machine:
+
+@lisp
+(service keepalived-service-type
+         (keepalived-configuration
+           (config-file (local-file "keepalived-master.conf"))))
+@end lisp
+
+where @file{keepalived-master.conf}:
+
+@example
+vrrp_instance my-group @{
+  state MASTER
+  interface enp9s0
+  virtual_router_id 100
+  priority 100
+  unicast_peer @{ 10.0.0.2 @}
+  virtual_ipaddress @{
+    10.0.0.4/24
+  @}
+@}
+@end example
+
+and for backup machine:
+
+@lisp
+(service keepalived-service-type
+         (keepalived-configuration
+          (config-file (local-file "keepalived-backup.conf"))))
+@end lisp
+
+where @file{keepalived-backup.conf}:
+
+@example
+vrrp_instance my-group @{
+  state BACKUP
+  interface enp9s0
+  virtual_router_id 100
+  priority 99
+  unicast_peer @{ 10.0.0.3 @}
+  virtual_ipaddress @{
+    10.0.0.4/24
+  @}
+@}
+@end example
+@end deffn
+
 @node Unattended Upgrades
 @subsection Unattended Upgrades
 
diff --git a/gnu/services/networking.scm b/gnu/services/networking.scm
index 9ec0f6a9ca..44754781c1 100644
--- a/gnu/services/networking.scm
+++ b/gnu/services/networking.scm
@@ -14,6 +14,7 @@
 ;;; Copyright © 2019 Sou Bunnbu <iyzsong <at> member.fsf.org>
 ;;; Copyright © 2019 Alex Griffin <a <at> ajgrf.com>
 ;;; Copyright © 2020 Brice Waegeneire <brice <at> waegenei.re>
+;;; Copyright © 2021 Oleg Pykhalov <go.wigust <at> gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -42,6 +43,7 @@
   #:use-module (gnu packages admin)
   #:use-module (gnu packages base)
   #:use-module (gnu packages bash)
+  #:use-module (gnu packages cluster)
   #:use-module (gnu packages connman)
   #:use-module (gnu packages freedesktop)
   #:use-module (gnu packages linux)
@@ -192,7 +194,11 @@
             yggdrasil-configuration-log-level
             yggdrasil-configuration-log-to
             yggdrasil-configuration-json-config
-            yggdrasil-configuration-package))
+            yggdrasil-configuration-package
+
+            keepalived-configuration
+            keepalived-configuration?
+            keepalived-service-type))
 
 ;;; Commentary:
 ;;;
@@ -1865,4 +1871,43 @@ See yggdrasil -genconf for config options.")
           (service-extension profile-service-type
                              (compose list yggdrasil-configuration-package))))))
 
+
+;;;
+;;; Keepalived
+;;;
+
+(define-record-type* <keepalived-configuration>
+  keepalived-configuration make-keepalived-configuration
+  keepalived-configuration?
+  (keepalived  keepalived-configuration-keepalived  ;<package>
+               (default keepalived))
+  (config-file keepalived-configuration-config-file ;file-like
+               (default #f)))
+
+(define keepalived-shepherd-service
+  (match-lambda
+    (($ <keepalived-configuration> keepalived config-file)
+     (list
+      (shepherd-service
+       (provision '(keepalived))
+       (documentation "Run keepalived.")
+       (requirement '(loopback))
+       (start #~(make-forkexec-constructor
+                 (list (string-append #$keepalived "/sbin/keepalived")
+                       "--dont-fork" "--log-console" "--log-detail"
+                       "--pid=/var/run/keepalived.pid"
+                       (string-append "--use-file=" #$config-file))
+                 #:pid-file "/var/run/keepalived.pid"
+                 #:log-file "/var/log/keepalived.log"))
+       (respawn? #f)
+       (stop #~(make-kill-destructor)))))))
+
+(define keepalived-service-type
+  (service-type (name 'keepalived)
+                (extensions (list (service-extension shepherd-root-service-type
+                                                     keepalived-shepherd-service)))
+                (description
+                 "Run @uref{https://www.keepalived.org/, Keepalived}
+routing software.")))
+
 ;;; networking.scm ends here
-- 
2.29.2

[Message part 3 (message/rfc822, inline)]

From: Oleg Pykhalov <go.wigust <at> gmail.com>
To: 45589-done <at> debbugs.gnu.org
Subject: Re: bug#45589: Acknowledgement ([PATCH] services: Add keepalived
 service.)
Date: Tue, 12 Jan 2021 14:42:04 +0300

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Pushed to master.

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