nixos: 19.03 -> 19.09

Makefile

@@ -3,6 +3,7 @@ TIME=time
 
 CHRONY_STATUS=chronyc tracking
 CHRONY_STATS=chronyc sources -v
+CHRONY_STATS_SOURCES=chronyc sourcestats
 
 all: rebuild-switch
 	date
@@ -34,7 +35,7 @@ optimise:
 	$(TIME) nix optimise-store
 
 rebuild-build:
-	nix-channel --add https://nixos.org/channels/nixos-19.03 nixos
+	nix-channel --add https://nixos.org/channels/nixos-19.09 nixos
 	$(TIME) time nixos-rebuild build --fallback  --show-trace
 
 rebuild-switch:
@@ -51,13 +52,13 @@ show-roots:
 
 show-time:
 	-@$(CHRONY_STATUS) && $(CHRONY_STATS)
-	-@watch -d -n 5 "$(CHRONY_STATUS) && echo "--" && $(CHRONY_STATS)"
+	-@watch -d -n 2 "$(CHRONY_STATUS) && echo "-- Statistiques générales :" && $(CHRONY_STATS) && echo "-- Statistiques sur les sources :" && $(CHRONY_STATS_SOURCES) && echo "-- Statistiques sur les clients :" && chronyc clients"
 
 store-repair:
 	$(TIME) nix-store --verify --check-contents --repair
 
 upgrade:
-	nix-channel --add https://nixos.org/channels/nixos-19.03 nixos
+	nix-channel --add https://nixos.org/channels/nixos-19.09 nixos
 	$(TIME) nixos-rebuild switch --upgrade --fallback --show-trace
 
 ##--------- Commandes spécifiques pour NixOS -- Opérations non courantes

applications/graphical/developpement.nix

@@ -21,7 +21,6 @@ mkIf (flags.developpement && flags.graphical) {
     # Gestion des sources
     #gitg               # interface pour utiliser git (historique, commit)
     gitstats            # génère un site web statique avec des statistiques
-    gitAndTools.gitFull # pour gitk
     git-cola            # interface pour utiliser git (historique, commit)
 
     ## Visualisation & outils de diff

applications/graphical/network.nix

@@ -9,9 +9,13 @@ in
 
 mkIf (true && flags.graphical) {
 
+  # Diagnostic réseau Wireshark (droits fins par le groupe wireshark)
+  programs.wireshark = {
+    enable = true;
+    package = pkgs.wireshark;
+  };
+
   # Paquets
   environment.systemPackages = with pkgs; [
-    ## Diagnostic
-    wireshark
   ];
 }

applications/graphical/radio.nix

@@ -13,14 +13,9 @@ mkIf (flags.radio && flags.graphical) {
   environment.systemPackages = with pkgs; [
     ## GUI
     gqrx                    # GUI
-    gnuradio                # Software Defined Radio (SDR) software
     gnuradio-with-packages  # Software Defined Radio (SDR) software
 
     ## A Trier
-    #
-    #gnuradio-osmosdr  # Gnuradio block for OsmoSDR and rtl-sdr
-
-    inspectrum    # Tool for analysing captured signals from sdr receivers
-    kalibrate-rtl # Calculate local oscillator frequency offset in RTL-SDR devices
+    #inspectrum    # Tool for analysing captured signals from sdr receivers
   ];
 }

applications/terminal/default-applications.nix

@@ -12,7 +12,7 @@ mkIf true {
   # Paquets
   environment.systemPackages = with pkgs; [
       byobu         # permet de se déconnecter d'un terminal sans l'arréter
-      git gitAndTools.tig gti # outil de gestion de version
+      gitAndTools.gitFull gitAndTools.tig gti # outil de gestion de version
       gnumake       # pour décrire les recettes de compilation
       gnupg         # GPG
       htop          # monitoring

applications/terminal/developpement-java.nix

@@ -9,13 +9,17 @@ in
 
 mkIf flags.developpement-java {
 
+  # Installe le paquet + JAVA_HOME
+  programs.java = {
+    enable = true;
+    package = pkgs.jdk11;
+  };
+
   # Paquets
   environment.systemPackages = with pkgs; [
-    # Java
+    # Systèmes de build autour de java
+    ant
     maven
-    openjdk
+    gradle
   ];
-  environment.variables = {
-    JAVA_HOME = "${pkgs.openjdk}";
-  };
 }

applications/terminal/developpement.nix

@@ -25,7 +25,6 @@ mkIf flags.developpement {
 
     # Gestion des sources
     cloc                   # outil pour compter les lignes de code source
-    git gitAndTools.gitSVN # git et git-svn
     mercurial
     subversion
 

configuration/environment.nix

@@ -12,7 +12,7 @@ in
   nix.buildCores = 0;
 
   # The NixOS release to be compatible with for stateful data such as databases.
-  system.stateVersion = "19.03";
+  system.stateVersion = "19.09";
 
   # copies the NixOS configuration file (usually /etc/nixos/configuration.nix) and links it from the resulting system (getting to /run/current-system/configuration.nix)
   system.copySystemConfiguration = true;

configuration/laptop.nix

@@ -12,22 +12,28 @@ mkIf flags.laptop {
   # Gestion spécifique pour PC portable
 
   ## Gestion de l'énergie
-  powerManagement.cpuFreqGovernor = "powersave";
+  services.tlp.enable = true;
 
   ## Activation d'un gestionnaire de réseau
   networking.networkmanager.enable = true;
 
-  hardware.bluetooth.enable = true;
+  hardware.bluetooth = {
+    enable = true;
+    powerOnBoot = false;
+  };
+
+  # Gestion graphique du réseau dans la barre système
+  programs.nm-applet.enable = true;
 
   # Paquets
   environment.systemPackages = with pkgs; [
-    networkmanagerapplet    # gestionnaire réseau graphique + console (nm-applet + nmtui)
     wirelesstools           # fournis iwconfig
+    blueman                 # outils bluetooth (manager, system tray)
+    cbatticon               # status de la batterie dans le system tray
   ];
 
   # Services
-  services.xserver.synaptics = {
+  services.xserver.libinput = {
     enable = true;
-    twoFingerScroll = true;
   };
 }

options.nix

@@ -63,7 +63,7 @@ let
 
       ipAddress = mkOption {
         description = "Adresse IP.";
-        type = lib.types.string;
+        type = lib.types.str;
       };
       nix-serve-server = mkEnableOption "nix-serve server.";
       nix-serve-client = {
@@ -80,18 +80,18 @@ let
         dnsFQDN = mkOption {
           example = "device.example.net.";
           description = "DNS name of host pointing to tunnel IP.";
-          type = lib.types.string;
+          type = lib.types.str;
         };
         connectToAddress = mkOption {
           default = "";
           example = "192.168.1.1";
           description = "External address to connect from another node.";
-          type = lib.types.string;
+          type = lib.types.str;
         };
         vpnAddress = mkOption {
           example = "192.168.69.69/24";
           description = "VPN local node IP address.";
-          type = lib.types.string;
+          type = lib.types.str;
         };
         vpnCidrLength = mkOption {
           default = 24;
@@ -106,7 +106,7 @@ let
               ConnecTo = bar
           '';
           description = "Configuration supplémentaire pour tinc.";
-          type = lib.types.string;
+          type = lib.types.str;
         };
       };
 
@@ -129,7 +129,7 @@ let
         enable = mkEnableOption "Activation du démarrage de Windows par Grub";
         drive = mkOption {
           description = "Lecteur sur lequel est présent le système Windows (au format GRUB)";
-          type = lib.types.string;
+          type = lib.types.str;
           default = "hd0,1";
         };
       };
@@ -137,7 +137,7 @@ let
         enable = mkEnableOption "Montage de la partition data Windows";
         device = mkOption {
           description = "Lecteur sur lequel est présent le disque de data Windows";
-          type = lib.types.string;
+          type = lib.types.str;
           default = "/dev/sda2";
         };
       };

services/monitoring-munin.nix

@@ -30,6 +30,14 @@ mkIf flags.munin {
       ignore_file ^sensors_-wrapped$
       ignore_file ^.sensors_-wrapped$
     '';
+    extraPlugins = {
+      chrony = /etc/nixos/base/services/munin-chrony;
+      chrony_tracking_stratum = /etc/nixos/base/services/munin-chrony-tracking-stratum;
+      chrony_tracking_ppm = /etc/nixos/base/services/munin-chrony-tracking-ppm;
+      chrony_tracking_time_ = /etc/nixos/base/services/munin-chrony-tracking-time;
+      chrony_tracking_time_root = /etc/nixos/base/services/munin-chrony-tracking-time-root;
+      chrony_tracking_update_time = /etc/nixos/base/services/munin-chrony-tracking-update-time;
+    };
   };
   systemd.services.munin-node = {
     path = with pkgs; [ munin lm_sensors ];

services/munin-chrony

@@ -0,0 +1,123 @@
+#!/bin/sh
+
+: <<=cut
+
+=head1 NAME
+
+parse Chrony Tracking output for timeserver status information
+
+=head1 APPLICABLE SYSTEMS
+
+Any system with a local chronyd service.
+
+=head1 CONFIGURATION
+
+No configuration.
+
+=head1 MAGIC MARKERS
+
+  #%# family=auto
+  #%# capabilities=autoconf
+
+=head1 VERSION
+
+Revision 0.1 2008/08/23 13:06:00 joti
+
+  First version only chronyc tracking, autodetection included.
+
+Revision 0.2 2008/10/11 16:09:00 joti
+
+  Added scaling of other values to match with frequency, added more description to fields
+
+Revision 0.3 2014/02/16 zjttoefs
+
+  reduce forking by using awk
+  do not limit output precision
+  add stratum monitoring
+  detect slow/fast time or freqency and adjust sign of value accordingly
+  remove commented out code
+
+Revision 0.4 2016/11/10 Lars Kruse
+
+  rewrite field handling
+  use "which" for "chronyc" location
+  switch from "bash" to "sh"
+  fix exit code of failing "autoconf"
+
+=head1 AUTHOR
+
+  joti
+  zjttoefs
+  Lars Kruse <devel@sumpfralle.de>
+
+=cut
+
+CHRONYC="$(which chronyc | head -1)"
+
+# Frequency has extremely higher values than other. Therefore they are fitted by scaling via suitable factors.
+# field definitions:
+#   - munin fieldname
+#   - factor for graph visualization (all values are supposed to reach a similar dimension)
+#   - regular expression of the chrony output line (may not contain whitespace, case insensitive)
+#   - label (may include "%d" for including the factor; may contain whitespace)
+fields="stratum		1	^Stratum		Stratum
+	systime		1000000	^System.time		System Time (us)
+	offsetlast	1000000	^Last.offset		Last Offset (us)
+	offsetrms	1000000	^RMS.offset		RMS Offset (us)
+	frequency	1	^Frequency		Frequency (ppm)
+	residualfreq	1	^Residual.freq		Residual Freq (ppm)
+	skew		1	^Skew			Skew (ppm)
+	rootdelay	1000000	^Root.delay		Root Delay (us)
+	rootdispersion	1000000	^Root.dispersion	Root Dispersion (us)
+	updateinterval	1	^Update.interval	Update Interval (s)"
+
+# chrony example output (v2.4.1):
+#   Reference ID    : 131.188.3.221 (ntp1.rrze.uni-erlangen.de)
+#   Stratum         : 2
+#   Ref time (UTC)  : Thu Nov 10 22:39:50 2016
+#   System time     : 0.000503798 seconds slow of NTP time
+#   Last offset     : +0.000254355 seconds
+#   RMS offset      : 0.002186779 seconds
+#   Frequency       : 17.716 ppm slow
+#   Residual freq   : +0.066 ppm
+#   Skew            : 4.035 ppm
+#   Root delay      : 0.042980 seconds
+#   Root dispersion : 0.005391 seconds
+#   Update interval : 258.4 seconds
+#   Leap status     : Normal
+
+
+if [ "$1" = "autoconf" ]; then
+	if [ -n "$CHRONYC" ] && [ -x "$CHRONYC" ]; then
+		echo yes
+	else
+		echo "no (missing 'chronyc' executable)"
+	fi
+	exit 0
+fi
+
+if [ "$1" = "config" ]; then
+	echo 'graph_title Chrony Tracking Stats'
+	echo 'graph_args --base 1000 -l 0'
+	echo 'graph_vlabel (time,ppm)'
+	echo 'graph_category time'
+	echo 'graph_scale no'
+	echo "$fields" | while read fieldname factor regex label; do
+		# insert the factor, if "%d" is part of the label
+		printf "${fieldname}.label $label\n" "$factor"
+		echo "${fieldname}.type GAUGE"
+	done
+	exit 0
+fi
+
+chrony_status="$("$CHRONYC" tracking)"
+echo "$fields" | while read fieldname factor regex label; do
+	status_line="$(echo "$chrony_status" | grep -i -- "$regex " | cut -d ":" -f 2-)"
+	if [ -z "$status_line" ]; then
+		value="U"
+	else
+		# the keyword "slow" indicates negative values
+		value="$(echo "$status_line" | awk '{ /slow/ ? SIGN=-1 : SIGN=1; print $1 * SIGN * '"$factor"' }')"
+	fi
+	echo "${fieldname}.value $value"
+done

services/munin-chrony-tracking-ppm

@@ -0,0 +1,116 @@
+#!/bin/sh
+
+: <<=cut
+
+=head1 NAME
+
+parse Chrony Tracking output for timeserver status information
+
+=head1 APPLICABLE SYSTEMS
+
+Any system with a local chronyd service.
+
+=head1 CONFIGURATION
+
+No configuration.
+
+=head1 MAGIC MARKERS
+
+  #%# family=auto
+  #%# capabilities=autoconf
+
+=head1 VERSION
+
+Revision 0.1 2008/08/23 13:06:00 joti
+
+  First version only chronyc tracking, autodetection included.
+
+Revision 0.2 2008/10/11 16:09:00 joti
+
+  Added scaling of other values to match with frequency, added more description to fields
+
+Revision 0.3 2014/02/16 zjttoefs
+
+  reduce forking by using awk
+  do not limit output precision
+  add stratum monitoring
+  detect slow/fast time or freqency and adjust sign of value accordingly
+  remove commented out code
+
+Revision 0.4 2016/11/10 Lars Kruse
+
+  rewrite field handling
+  use "which" for "chronyc" location
+  switch from "bash" to "sh"
+  fix exit code of failing "autoconf"
+
+=head1 AUTHOR
+
+  joti
+  zjttoefs
+  Lars Kruse <devel@sumpfralle.de>
+
+=cut
+
+CHRONYC="$(which chronyc | head -1)"
+
+# Frequency has extremely higher values than other. Therefore they are fitted by scaling via suitable factors.
+# field definitions:
+#   - munin fieldname
+#   - factor for graph visualization (all values are supposed to reach a similar dimension)
+#   - regular expression of the chrony output line (may not contain whitespace, case insensitive)
+#   - label (may include "%d" for including the factor; may contain whitespace)
+fields="frequency	1	^Frequency		Local Clock Frequency Drift (ppm)
+	residualfreq	1	^Residual.freq		Residual Freq (ppm)
+	skew		1	^Skew			Skew (ppm)"
+
+# chrony example output (v2.4.1):
+#   Reference ID    : 131.188.3.221 (ntp1.rrze.uni-erlangen.de)
+#   Stratum         : 2
+#   Ref time (UTC)  : Thu Nov 10 22:39:50 2016
+#   System time     : 0.000503798 seconds slow of NTP time
+#   Last offset     : +0.000254355 seconds
+#   RMS offset      : 0.002186779 seconds
+#   Frequency       : 17.716 ppm slow
+#   Residual freq   : +0.066 ppm
+#   Skew            : 4.035 ppm
+#   Root delay      : 0.042980 seconds
+#   Root dispersion : 0.005391 seconds
+#   Update interval : 258.4 seconds
+#   Leap status     : Normal
+
+
+if [ "$1" = "autoconf" ]; then
+	if [ -n "$CHRONYC" ] && [ -x "$CHRONYC" ]; then
+		echo yes
+	else
+		echo "no (missing 'chronyc' executable)"
+	fi
+	exit 0
+fi
+
+if [ "$1" = "config" ]; then
+	echo 'graph_title Chrony Tracking Stats - Frequencies stability'
+	echo 'graph_args --base 1000 -l 0'
+	echo 'graph_vlabel (ppm)'
+	echo 'graph_category time'
+	echo 'graph_scale no'
+	echo "$fields" | while read fieldname factor regex label; do
+		# insert the factor, if "%d" is part of the label
+		printf "${fieldname}.label $label\n" "$factor"
+		echo "${fieldname}.type GAUGE"
+	done
+	exit 0
+fi
+
+chrony_status="$("$CHRONYC" tracking)"
+echo "$fields" | while read fieldname factor regex label; do
+	status_line="$(echo "$chrony_status" | grep -i -- "$regex " | cut -d ":" -f 2-)"
+	if [ -z "$status_line" ]; then
+		value="U"
+	else
+		# the keyword "slow" indicates negative values
+		value="$(echo "$status_line" | awk '{ /slow/ ? SIGN=-1 : SIGN=1; print $1 * SIGN * '"$factor"' }')"
+	fi
+	echo "${fieldname}.value $value"
+done

services/munin-chrony-tracking-stratum

@@ -0,0 +1,116 @@
+#!/bin/sh
+
+: <<=cut
+
+=head1 NAME
+
+parse Chrony Tracking output for timeserver status information
+
+=head1 APPLICABLE SYSTEMS
+
+Any system with a local chronyd service.
+
+=head1 CONFIGURATION
+
+No configuration.
+
+=head1 MAGIC MARKERS
+
+  #%# family=auto
+  #%# capabilities=autoconf
+
+=head1 VERSION
+
+Revision 0.1 2008/08/23 13:06:00 joti
+
+  First version only chronyc tracking, autodetection included.
+
+Revision 0.2 2008/10/11 16:09:00 joti
+
+  Added scaling of other values to match with frequency, added more description to fields
+
+Revision 0.3 2014/02/16 zjttoefs
+
+  reduce forking by using awk
+  do not limit output precision
+  add stratum monitoring
+  detect slow/fast time or freqency and adjust sign of value accordingly
+  remove commented out code
+
+Revision 0.4 2016/11/10 Lars Kruse
+
+  rewrite field handling
+  use "which" for "chronyc" location
+  switch from "bash" to "sh"
+  fix exit code of failing "autoconf"
+
+=head1 AUTHOR
+
+  joti
+  zjttoefs
+  Lars Kruse <devel@sumpfralle.de>
+
+=cut
+
+CHRONYC="$(which chronyc | head -1)"
+
+# Frequency has extremely higher values than other. Therefore they are fitted by scaling via suitable factors.
+# field definitions:
+#   - munin fieldname
+#   - factor for graph visualization (all values are supposed to reach a similar dimension)
+#   - regular expression of the chrony output line (may not contain whitespace, case insensitive)
+#   - label (may include "%d" for including the factor; may contain whitespace)
+fields="stratum		1	^Stratum		Stratum"
+
+# chrony example output (v2.4.1):
+#   Reference ID    : 131.188.3.221 (ntp1.rrze.uni-erlangen.de)
+#   Stratum         : 2
+#   Ref time (UTC)  : Thu Nov 10 22:39:50 2016
+#   System time     : 0.000503798 seconds slow of NTP time
+#   Last offset     : +0.000254355 seconds
+#   RMS offset      : 0.002186779 seconds
+#   Frequency       : 17.716 ppm slow
+#   Residual freq   : +0.066 ppm
+#   Skew            : 4.035 ppm
+#   Root delay      : 0.042980 seconds
+#   Root dispersion : 0.005391 seconds
+#   Update interval : 258.4 seconds
+#   Leap status     : Normal
+
+
+if [ "$1" = "autoconf" ]; then
+	if [ -n "$CHRONYC" ] && [ -x "$CHRONYC" ]; then
+		echo yes
+	else
+		echo "no (missing 'chronyc' executable)"
+	fi
+	exit 0
+fi
+
+if [ "$1" = "config" ]; then
+	echo 'graph_title Chrony Tracking Stats - Stratum'
+	echo 'graph_args --base 1000 -l 0'
+	echo 'graph_vlabel (stratum)'
+	echo 'graph_category time'
+	echo 'graph_scale no'
+	echo 'stratum.warning 8'
+	echo 'stratum.critical 11'
+	echo "$fields" | while read fieldname factor regex label; do
+		# insert the factor, if "%d" is part of the label
+		printf "${fieldname}.label $label\n" "$factor"
+		echo "${fieldname}.type GAUGE"
+	done
+	exit 0
+fi
+
+chrony_status="$("$CHRONYC" tracking)"
+echo "$fields" | while read fieldname factor regex label; do
+	status_line="$(echo "$chrony_status" | grep -i -- "$regex " | cut -d ":" -f 2-)"
+	if [ -z "$status_line" ]; then
+		value="U"
+	else
+		# the keyword "slow" indicates negative values
+		value="$(echo "$status_line" | awk '{ /slow/ ? SIGN=-1 : SIGN=1; print $1 * SIGN * '"$factor"' }')"
+	fi
+	echo "${fieldname}.value $value"
+done

services/munin-chrony-tracking-time

@@ -0,0 +1,118 @@
+#!/bin/sh
+
+: <<=cut
+
+=head1 NAME
+
+parse Chrony Tracking output for timeserver status information
+
+=head1 APPLICABLE SYSTEMS
+
+Any system with a local chronyd service.
+
+=head1 CONFIGURATION
+
+No configuration.
+
+=head1 MAGIC MARKERS
+
+  #%# family=auto
+  #%# capabilities=autoconf
+
+=head1 VERSION
+
+Revision 0.1 2008/08/23 13:06:00 joti
+
+  First version only chronyc tracking, autodetection included.
+
+Revision 0.2 2008/10/11 16:09:00 joti
+
+  Added scaling of other values to match with frequency, added more description to fields
+
+Revision 0.3 2014/02/16 zjttoefs
+
+  reduce forking by using awk
+  do not limit output precision
+  add stratum monitoring
+  detect slow/fast time or freqency and adjust sign of value accordingly
+  remove commented out code
+
+Revision 0.4 2016/11/10 Lars Kruse
+
+  rewrite field handling
+  use "which" for "chronyc" location
+  switch from "bash" to "sh"
+  fix exit code of failing "autoconf"
+
+=head1 AUTHOR
+
+  joti
+  zjttoefs
+  Lars Kruse <devel@sumpfralle.de>
+
+=cut
+
+CHRONYC="$(which chronyc | head -1)"
+
+# Frequency has extremely higher values than other. Therefore they are fitted by scaling via suitable factors.
+# field definitions:
+#   - munin fieldname
+#   - factor for graph visualization (all values are supposed to reach a similar dimension)
+#   - regular expression of the chrony output line (may not contain whitespace, case insensitive)
+#   - label (may include "%d" for including the factor; may contain whitespace)
+fields="systime		1000000	^System.time		System Time (us)
+	offsetlast	1000000	^Last.offset		Last Offset (us)
+	offsetrms	1000000	^RMS.offset		RMS Offset (us)
+	rootdelay	1000000	^Root.delay		Root Delay (us)
+	rootdispersion	1000000	^Root.dispersion	Root Dispersion (us)"
+
+# chrony example output (v2.4.1):
+#   Reference ID    : 131.188.3.221 (ntp1.rrze.uni-erlangen.de)
+#   Stratum         : 2
+#   Ref time (UTC)  : Thu Nov 10 22:39:50 2016
+#   System time     : 0.000503798 seconds slow of NTP time
+#   Last offset     : +0.000254355 seconds
+#   RMS offset      : 0.002186779 seconds
+#   Frequency       : 17.716 ppm slow
+#   Residual freq   : +0.066 ppm
+#   Skew            : 4.035 ppm
+#   Root delay      : 0.042980 seconds
+#   Root dispersion : 0.005391 seconds
+#   Update interval : 258.4 seconds
+#   Leap status     : Normal
+
+
+if [ "$1" = "autoconf" ]; then
+	if [ -n "$CHRONYC" ] && [ -x "$CHRONYC" ]; then
+		echo yes
+	else
+		echo "no (missing 'chronyc' executable)"
+	fi
+	exit 0
+fi
+
+if [ "$1" = "config" ]; then
+	echo 'graph_title Chrony Tracking Stats - Time'
+	echo 'graph_args --base 1000 -l 0'
+	echo 'graph_vlabel (time)'
+	echo 'graph_category time'
+	echo 'graph_scale no'
+	echo "$fields" | while read fieldname factor regex label; do
+		# insert the factor, if "%d" is part of the label
+		printf "${fieldname}.label $label\n" "$factor"
+		echo "${fieldname}.type GAUGE"
+	done
+	exit 0
+fi
+
+chrony_status="$("$CHRONYC" tracking)"
+echo "$fields" | while read fieldname factor regex label; do
+	status_line="$(echo "$chrony_status" | grep -i -- "$regex " | cut -d ":" -f 2-)"
+	if [ -z "$status_line" ]; then
+		value="U"
+	else
+		# the keyword "slow" indicates negative values
+		value="$(echo "$status_line" | awk '{ /slow/ ? SIGN=-1 : SIGN=1; print $1 * SIGN * '"$factor"' }')"
+	fi
+	echo "${fieldname}.value $value"
+done

services/munin-chrony-tracking-time-root

@@ -0,0 +1,115 @@
+#!/bin/sh
+
+: <<=cut
+
+=head1 NAME
+
+parse Chrony Tracking output for timeserver status information
+
+=head1 APPLICABLE SYSTEMS
+
+Any system with a local chronyd service.
+
+=head1 CONFIGURATION
+
+No configuration.
+
+=head1 MAGIC MARKERS
+
+  #%# family=auto
+  #%# capabilities=autoconf
+
+=head1 VERSION
+
+Revision 0.1 2008/08/23 13:06:00 joti
+
+  First version only chronyc tracking, autodetection included.
+
+Revision 0.2 2008/10/11 16:09:00 joti
+
+  Added scaling of other values to match with frequency, added more description to fields
+
+Revision 0.3 2014/02/16 zjttoefs
+
+  reduce forking by using awk
+  do not limit output precision
+  add stratum monitoring
+  detect slow/fast time or freqency and adjust sign of value accordingly
+  remove commented out code
+
+Revision 0.4 2016/11/10 Lars Kruse
+
+  rewrite field handling
+  use "which" for "chronyc" location
+  switch from "bash" to "sh"
+  fix exit code of failing "autoconf"
+
+=head1 AUTHOR
+
+  joti
+  zjttoefs
+  Lars Kruse <devel@sumpfralle.de>
+
+=cut
+
+CHRONYC="$(which chronyc | head -1)"
+
+# Frequency has extremely higher values than other. Therefore they are fitted by scaling via suitable factors.
+# field definitions:
+#   - munin fieldname
+#   - factor for graph visualization (all values are supposed to reach a similar dimension)
+#   - regular expression of the chrony output line (may not contain whitespace, case insensitive)
+#   - label (may include "%d" for including the factor; may contain whitespace)
+fields="rootdelay	1000000	^Root.delay		Root Delay (us)
+	rootdispersion	1000000	^Root.dispersion	Root Dispersion (us)"
+
+# chrony example output (v2.4.1):
+#   Reference ID    : 131.188.3.221 (ntp1.rrze.uni-erlangen.de)
+#   Stratum         : 2
+#   Ref time (UTC)  : Thu Nov 10 22:39:50 2016
+#   System time     : 0.000503798 seconds slow of NTP time
+#   Last offset     : +0.000254355 seconds
+#   RMS offset      : 0.002186779 seconds
+#   Frequency       : 17.716 ppm slow
+#   Residual freq   : +0.066 ppm
+#   Skew            : 4.035 ppm
+#   Root delay      : 0.042980 seconds
+#   Root dispersion : 0.005391 seconds
+#   Update interval : 258.4 seconds
+#   Leap status     : Normal
+
+
+if [ "$1" = "autoconf" ]; then
+	if [ -n "$CHRONYC" ] && [ -x "$CHRONYC" ]; then
+		echo yes
+	else
+		echo "no (missing 'chronyc' executable)"
+	fi
+	exit 0
+fi
+
+if [ "$1" = "config" ]; then
+	echo 'graph_title Chrony Tracking Stats - Root Time'
+	echo 'graph_args --base 1000 -l 0'
+	echo 'graph_vlabel (time)'
+	echo 'graph_category time'
+	echo 'graph_scale no'
+	echo "$fields" | while read fieldname factor regex label; do
+		# insert the factor, if "%d" is part of the label
+		printf "${fieldname}.label $label\n" "$factor"
+		echo "${fieldname}.type GAUGE"
+	done
+	exit 0
+fi
+
+chrony_status="$("$CHRONYC" tracking)"
+echo "$fields" | while read fieldname factor regex label; do
+	status_line="$(echo "$chrony_status" | grep -i -- "$regex " | cut -d ":" -f 2-)"
+	if [ -z "$status_line" ]; then
+		value="U"
+	else
+		# the keyword "slow" indicates negative values
+		value="$(echo "$status_line" | awk '{ /slow/ ? SIGN=-1 : SIGN=1; print $1 * SIGN * '"$factor"' }')"
+	fi
+	echo "${fieldname}.value $value"
+done

services/munin-chrony-tracking-update-time

@@ -0,0 +1,114 @@
+#!/bin/sh
+
+: <<=cut
+
+=head1 NAME
+
+parse Chrony Tracking output for timeserver status information
+
+=head1 APPLICABLE SYSTEMS
+
+Any system with a local chronyd service.
+
+=head1 CONFIGURATION
+
+No configuration.
+
+=head1 MAGIC MARKERS
+
+  #%# family=auto
+  #%# capabilities=autoconf
+
+=head1 VERSION
+
+Revision 0.1 2008/08/23 13:06:00 joti
+
+  First version only chronyc tracking, autodetection included.
+
+Revision 0.2 2008/10/11 16:09:00 joti
+
+  Added scaling of other values to match with frequency, added more description to fields
+
+Revision 0.3 2014/02/16 zjttoefs
+
+  reduce forking by using awk
+  do not limit output precision
+  add stratum monitoring
+  detect slow/fast time or freqency and adjust sign of value accordingly
+  remove commented out code
+
+Revision 0.4 2016/11/10 Lars Kruse
+
+  rewrite field handling
+  use "which" for "chronyc" location
+  switch from "bash" to "sh"
+  fix exit code of failing "autoconf"
+
+=head1 AUTHOR
+
+  joti
+  zjttoefs
+  Lars Kruse <devel@sumpfralle.de>
+
+=cut
+
+CHRONYC="$(which chronyc | head -1)"
+
+# Frequency has extremely higher values than other. Therefore they are fitted by scaling via suitable factors.
+# field definitions:
+#   - munin fieldname
+#   - factor for graph visualization (all values are supposed to reach a similar dimension)
+#   - regular expression of the chrony output line (may not contain whitespace, case insensitive)
+#   - label (may include "%d" for including the factor; may contain whitespace)
+fields="updateinterval	1	^Update.interval	Update Interval (s)"
+
+# chrony example output (v2.4.1):
+#   Reference ID    : 131.188.3.221 (ntp1.rrze.uni-erlangen.de)
+#   Stratum         : 2
+#   Ref time (UTC)  : Thu Nov 10 22:39:50 2016
+#   System time     : 0.000503798 seconds slow of NTP time
+#   Last offset     : +0.000254355 seconds
+#   RMS offset      : 0.002186779 seconds
+#   Frequency       : 17.716 ppm slow
+#   Residual freq   : +0.066 ppm
+#   Skew            : 4.035 ppm
+#   Root delay      : 0.042980 seconds
+#   Root dispersion : 0.005391 seconds
+#   Update interval : 258.4 seconds
+#   Leap status     : Normal
+
+
+if [ "$1" = "autoconf" ]; then
+	if [ -n "$CHRONYC" ] && [ -x "$CHRONYC" ]; then
+		echo yes
+	else
+		echo "no (missing 'chronyc' executable)"
+	fi
+	exit 0
+fi
+
+if [ "$1" = "config" ]; then
+	echo 'graph_title Chrony Tracking Stats - Update interval'
+	echo 'graph_args --base 1000 -l 0'
+	echo 'graph_vlabel (time)'
+	echo 'graph_category time'
+	echo 'graph_scale no'
+	echo "$fields" | while read fieldname factor regex label; do
+		# insert the factor, if "%d" is part of the label
+		printf "${fieldname}.label $label\n" "$factor"
+		echo "${fieldname}.type GAUGE"
+	done
+	exit 0
+fi
+
+chrony_status="$("$CHRONYC" tracking)"
+echo "$fields" | while read fieldname factor regex label; do
+	status_line="$(echo "$chrony_status" | grep -i -- "$regex " | cut -d ":" -f 2-)"
+	if [ -z "$status_line" ]; then
+		value="U"
+	else
+		# the keyword "slow" indicates negative values
+		value="$(echo "$status_line" | awk '{ /slow/ ? SIGN=-1 : SIGN=1; print $1 * SIGN * '"$factor"' }')"
+	fi
+	echo "${fieldname}.value $value"
+done

services/pulseaudio.nix

@@ -16,6 +16,7 @@ mkIf flags.pulseaudio {
   environment.systemPackages = with pkgs; [
     paprefs       # préferences pulseaudio
     pavucontrol   # mixer pulseaudio
+    pa_applet     # status et contrôle dans le system tray
   ];
 
   # Pulse Audio