munin : ajout de monitoring pout chrony

This reverts commit 0c47de1cb1.

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
@@ -24,10 +25,17 @@ clean-log:
 full-auto: submodules-update upgrade clean optimise
 	@date
 
+list-installed-packages:
+	@# source : https://functor.tokyo/blog/2018-02-20-show-packages-installed-on-nixos
+	@# https://www.domenkozar.com/2014/01/02/getting-started-with-nix-package-manager/
+	@#nixos-option environment.systemPackages
+	nixos-option environment.systemPackages | head -2 | tail -1 | sed -e 's/ /\n/g' | cut -d- -f2- | sort | uniq| sed -e 's/"$$//'
+
 optimise:
-	$(TIME) nix-store --optimise
+	$(TIME) nix optimise-store
 
 rebuild-build:
+	nix-channel --add https://nixos.org/channels/nixos-19.03 nixos
 	$(TIME) time nixos-rebuild build --fallback  --show-trace
 
 rebuild-switch:
@@ -43,14 +51,14 @@ show-roots:
 	nix-store --gc --print-roots
 
 show-time:
-	-@$(CHRONY_STATUS)
+	-@$(CHRONY_STATUS) && $(CHRONY_STATS)
-	#CHRONY_STATUS='chronyc tracking' CHRONY_STATS='chronyc sources -v' ${CHRONY_STATS} && watch -d -n 20 "${CHRONY_STATUS} && echo "--" && ${CHRONY_STATS}"
+	-@watch -d -n 2 "$(CHRONY_STATUS) && echo "-- Statistiques générales :" && $(CHRONY_STATS) && echo "-- Statistiques sur les sources :" && $(CHRONY_STATS_SOURCES) && echo "-- Statistiques sur les clients :" && chronyc clients"
-	-@watch -d -n 20 "$(CHRONY_STATUS) && echo "--" && $(CHRONY_STATS)"
 
 store-repair:
 	$(TIME) nix-store --verify --check-contents --repair
 
 upgrade:
+	nix-channel --add https://nixos.org/channels/nixos-19.03 nixos
 	$(TIME) nixos-rebuild switch --upgrade --fallback --show-trace
 
 ##--------- Commandes spécifiques pour NixOS -- Opérations non courantes
@@ -105,3 +113,6 @@ tmpfs-umount:
 tmpfs-destroy: tmpfs-umount
 	rmdir /mnt/tmpfs
 
+##- Test awesome
+test-awesome:
+	Xephyr :5 & sleep 1; DISPLAY=:5 awesome

applications/graphical/bureau.nix

@@ -39,6 +39,7 @@ mkIf currentMachine.profiles.isDesktopEnvironment {
     fira            # police créée pour Firefox
     fira-code       # idem fira-mono + ligatures pour la programmation
     fira-mono       # dérivée de fira en monospace
+    font-awesome_5  # Jeux de police, utilisé avec Latex
     hack-font       # police monospace créée explicitement pour coder
     hasklig         # police dérivée de source-code-pro mais avec des ligatures
   ];

applications/graphical/client-internet.nix

@@ -21,7 +21,7 @@ environment.systemPackages = with pkgs; [
     clawsMail
     hexchat
     quasselClient
-    mumble
+    #mumble
     pidgin
     thunderbird
 

applications/graphical/developpement-haskell.nix

@@ -13,6 +13,6 @@ mkIf (flags.developpement-haskell && flags.graphical) {
   environment.systemPackages = with pkgs; [
   ] ++ (with pkgs.haskellPackages; [
     # Haskell lib
-    threadscope     # visualisation des threads (<bidule>.eventlog)
+    #threadscope     # visualisation des threads (<bidule>.eventlog)
   ]);
 }

applications/graphical/radio.nix

@@ -12,9 +12,9 @@ mkIf (flags.radio && flags.graphical) {
   # Paquets
   environment.systemPackages = with pkgs; [
     ## GUI
-    gqrx          # GUI
+    gqrx                    # GUI
-    #gnuradio     # Software Defined Radio (SDR) software
+    gnuradio                # Software Defined Radio (SDR) software
-    gnuradio-with-packages
+    gnuradio-with-packages  # Software Defined Radio (SDR) software
 
     ## A Trier
     #

applications/terminal/developpement-haskell.nix

@@ -19,8 +19,9 @@ mkIf flags.developpement-haskell {
   ] ++ (with pkgs.haskellPackages; [
     # Haskell lib
     autoproc              # ? procmail
-    darcs                 # gestionnaire de version éponyme
+    #brittany              # formatteur de code
-    ghc-mod               # outil d'analyse de code haskell utilisé par IDE
+    #darcs                 # gestionnaire de version éponyme
+    #ghc-mod               # outil d'analyse de code haskell utilisé par IDE
     hindent               # indentation code
     hlint                 # qualite de code, analyse statique de code + astuces & bonnes pratiques
     #postgrest            # mapper HTTP <-> PostgreSQL
@@ -29,7 +30,7 @@ mkIf flags.developpement-haskell {
     turtle                # genre shell-scripting
 
     # Application perso
-    hahp
+    #hahp
     pandoc-filter-graphviz # filtre pour utiliser graphviz à partir de pandoc
   ]);
 }

configuration/default.nix

@@ -15,6 +15,7 @@ in
     ./localisation.nix
     ./network.nix
     #./network-ipv6.nix
+    ./u2f.nix
     ./udev.nix
 
     # commandées par config-generator

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 = "18.03";
+  system.stateVersion = "19.03";
 
   # 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;
@@ -27,7 +27,8 @@ in
   boot.cleanTmpDir = true;
 
   # Activation des pages de manuel
-  programs.man.enable = true;
+  documentation.man.enable = true;
+
 
   # Paquets
   environment = {

configuration/u2f.nix

@@ -0,0 +1,41 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (lib) mkIf mkMerge mkThenElse;
+  annuaire = config.r6d.machines;
+  currentMachine = annuaire."${config.networking.hostName}";
+  flags = currentMachine.configurationFlags;
+in
+
+mkIf true {
+  # Ajout du support des yobikey & hyperfido
+  ## source des valeurs udev : https://github.com/Yubico/libu2f-host/blob/master/70-u2f.rules
+
+  ## source car udev sur nixos semble ancien : https://raw.githubusercontent.com/Yubico/libu2f-host/master/70-old-u2f.rules
+  services.udev.extraRules = ''
+  # this udev file should be used with udev older than 188
+  ACTION!="add|change", GOTO="u2f_end"
+
+  # Yubico YubiKey
+  KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="1050", ATTRS{idProduct}=="0113|0114|0115|0116|0120|0402|0403|0406|0407|0410", GROUP="plugdev", MODE="0660"
+
+  # Happlink (formerly Plug-Up) Security KEY
+  KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="2581", ATTRS{idProduct}=="f1d0", GROUP="plugdev", MODE="0660"
+
+  #  Neowave Keydo and Keydo AES
+  KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="1e0d", ATTRS{idProduct}=="f1d0|f1ae", GROUP="plugdev", MODE="0660"
+
+  # HyperSecu HyperFIDO
+  KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="096e", ATTRS{idProduct}=="0880", GROUP="plugdev", MODE="0660"
+
+  LABEL="u2f_end"
+
+  SUBSYSTEM=="usb", ATTRS{idVendor}=="0bda", ATTRS{idProduct}=="2838", GROUP="audio", MODE="0666", SYMLINK+="rtl_sdr"
+  '';
+
+  security.pam.u2f.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    libu2f-host
+  ];
+}

module-template.nix

@@ -22,4 +22,11 @@ mkIf true {
     allowedUDPPorts = [
     ];
   };
+} // {
+  assertions = [
+    {
+      assertion = true;
+      message = "Assetion toujours valide.";
+    }
+  ];
 }

options.nix

@@ -62,10 +62,10 @@ let
       configurationOptions = {
 
       ipAddress = mkOption {
-        description = "Adresse IP";
+        description = "Adresse IP.";
         type = lib.types.string;
       };
-      nix-serve-server = mkEnableOption "nix-serve server";
+      nix-serve-server = mkEnableOption "nix-serve server.";
       nix-serve-client = {
         enable =  mkEnableOption "nix-serve client";
         servers = mkOption {
@@ -76,7 +76,7 @@ let
       };
 
       tinc = {
-        enable = mkEnableOption "Enable tinc service";
+        enable = mkEnableOption "Enable tinc service.";
         dnsFQDN = mkOption {
           example = "device.example.net.";
           description = "DNS name of host pointing to tunnel IP.";
@@ -105,11 +105,26 @@ let
               Mode = router
               ConnecTo = bar
           '';
-          description = "Configuration supplémentaire pour tinc";
+          description = "Configuration supplémentaire pour tinc.";
           type = lib.types.string;
         };
       };
 
+      quagga = {
+        enable = mkEnableOption "Enable Quagga + BGP service";
+        bgpConfig = mkOption {
+          type = types.lines;
+          default = "";
+          example =''
+              router bgp 65001
+                neighbor 10.0.0.1 remote-as 65001
+            '';
+          description = ''
+            BGP configuration statements.
+          '';
+        };
+      };
+
       windowsBoot = {
         enable = mkEnableOption "Activation du démarrage de Windows par Grub";
         drive = mkOption {

services/docker.nix

@@ -13,7 +13,7 @@ mkIf flags.docker {
   environment.systemPackages = with pkgs; [
     # Ecosystème Docker
     docker
-    python36Packages.docker_compose
+    docker-compose
   ];
 
   virtualisation.docker.enable = true;

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 ];
@@ -48,9 +56,22 @@ mkIf flags.munin {
     hosts = ''
       [${config.networking.hostName}]
         address 127.0.0.1
+        df._dev_sda2.warning 35
+        use_node_name yes
+        #contacts syslog
+        contacts email
     '';
+    # http://sametmax.com/monitorez-vos-serveurs-avec-munin-et-notifications-par-email/
+    # http://guide.munin-monitoring.org/en/latest/tutorial/alert.html#syntax-of-warning-and-critical
     extraGlobalConfig = ''
-      contact.email.command ${pkgs.mutt}/bin/mutt -F /etc/nixos/base/services/munin-muttrc -s "Munin notification for ''${var:host}" root@prunetwork.fr
+      #---
+      #contact.email.command ${pkgs.mutt}/bin/mutt -F /etc/nixos/base/services/munin-muttrc  -s "Munin notification for ${config.networking.hostName}" root@ocean.prunetwork.fr
+      contact.email.command  /run/current-system/sw/bin/mutt -F /etc/nixos/base/services/munin-muttrc  -s "Munin notification for ${config.networking.hostName}" root@ocean.prunetwork.fr
+      contact.syslog.command /run/current-system/sw/bin/logger -p user.crit                 -t "Munin notification for ${config.networking.hostName}"
+
+      #---
+      contact.email.always_send ok,warning,critical,unknown
+      contact.syslog.always_send ok,warning,critical,unknown
     '';
   };
 

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/nixos-manual.nix

@@ -18,9 +18,8 @@ mkIf flags.nixos-manual {
   # Services
 
   ## documentation sur ctrl + alt + F8
-  services.nixosManual = {
+  documentation.nixos = {
     enable = true;
-    showManual = true;
   };
 
   # Réseau

services/scanner.nix

@@ -11,11 +11,20 @@ mkIf flags.scanner {
 
   # Paquets
   environment.systemPackages = with pkgs; [
+    # Driver
+    hplip                     # Scanner HP
+    python27Packages.pyqt4    # dépendance hplip
+
+    # Outils pour exploiter les scanners
     simple-scan
   ];
 
   # Services
   hardware.sane.enable = true;
+  services.saned = {
+    enable = true;
+    extraConfig = "192.168.0.0/24";
+  };
 
   # Réseau
   networking.firewall = {

services/ssh.nix

@@ -26,6 +26,9 @@ mkIf true {
       # Use kernel sandbox mechanisms where possible in unprivilegied processes
       # Systrace on OpenBSD, Seccomp on Linux, seatbelt on MacOSX/Darwin, rlimit elsewhere.
       UsePrivilegeSeparation sandbox
+
+      # Permet de gérer le nombre de connexions multiplexées en simultané
+      MaxSessions 200
     '';
   };
 }

services/yubikey.nix

@@ -33,7 +33,7 @@ mkIf true {
     gnupg opensc pcsctools libu2f-host yubikey-personalization
   ];
 
-  security.pam.enableU2F = true;
+  security.pam.u2f.enable = true;
 
   /*users.extraUsers.joko = {
     isNormalUser = true;