Merge pull request #58 from XavierBerger/devel

Version 2.8

PACKAGING.md

@@ -3,6 +3,9 @@
 ## Introduction
 This document intended to help [**RPi-Monitor**](http://rpi-experiences.blogspot.fr/)'s package maintainer to know what to install and where.
 
+## Version
+This document describe file organisation for **Version 2.8**
+
 ## Dependencies
 **rpimonitord** is a perl script which require the following perl modules to work:
 
@@ -11,6 +14,7 @@ This document intended to help [**RPi-Monitor**](http://rpi-experiences.blogspot
  * libjson-perl
  * libipc-sharelite-perl
  * libfile-which-perl
+ * aptitude (required by script checking upgradable packages)
 
 ## Installation
 
@@ -26,9 +30,6 @@ This document intended to help [**RPi-Monitor**](http://rpi-experiences.blogspot
 
 ###Configuration
 
-Since version 2.7:
-
-* /etc/default/rpimonitor : *Init script configuration file*
 * /etc/rpimonitor/daemon.conf : *configuration of rpimonitord daemon*
 * /etc/rpimonitor/data.conf : *(symlink to template/<distribution>.conf) configuration of default data to be extracted and presented*
 * /etc/rpimonitor/\*.conf : *all other *.conf file will be parsed to look for data to be monitored*
@@ -48,7 +49,6 @@ The template directory is also containing some templates that can be used as exa
 
 ###Web Interface
 
-* /usr/share/rpimonitor
 * /usr/share/rpimonitor/web : *Directory containing html*
 * /usr/share/rpimonitor/web/js: *Directory containing javascripts*
 * /usr/share/rpimonitor/web/css: *Directory containing style*
@@ -58,9 +58,11 @@ The template directory is also containing some templates that can be used as exa
 
 When **RPi-Monitor** is configured to not use the internal server, the json are written on the disk into the web root directory /usr/share/rpimonitor/web
 
-###Data
+###Scripts
 
-Since version 2.7:
+* /usr/share/rpimonitor/scripts/updatePackagesStatus.pl: *Script periodically executed to update /var/lib/rpimonitor/updatestatus.txt*
+
+###Data
 
 * /var/lib/rpimonitor/web/stat : *Directory containing \*.rrd*
-* /var/lib/rpimonitor/updatestatus.txt: * Current status of packages*
+* /var/lib/rpimonitor/updatestatus.txt: *Current status of packages update*

VERSION

@@ -1 +1 @@
-2.7
+2.8

init/apt/sources.list.d/rpimonitor.list

@@ -0,0 +1,2 @@
+# RPi-Monitor official repository
+deb https://github.com XavierBerger/RPi-Monitor-deb/raw/master/repo/

init/cron.d/rpimonitor

@@ -2,6 +2,6 @@
 05 03 * * * root /usr/bin/apt-get update > /dev/null 2>&1
 
 # run at 03:10 to update status
-10 03 * * * root /etc/init.d/rpimonitor update > /dev/null 2>&1
+10 03 * * * root /usr/share/rpimonitor/scripts/updatePackagesStatus.pl
 
 

init/init.d/rpimonitor

@@ -15,12 +15,9 @@
 
 DAEMON="/usr/bin/rpimonitord"
 PIDFILE="/var/run/rpimonitord.pid"
-DEFAULTFILE="/etc/default/rpimonitor"
 
 [ -x $DAEMON ] || exit 0
 
-[ -r $DEFAULTFILE ] && . $DEFAULTFILE
-
 checkroot(){
   if [ "$(id -u)" != "0" ]; then
     echo "This script must be run as root"
@@ -29,12 +26,6 @@ checkroot(){
 }
 
 start() {
-  if [ "$DAEMON_START" = "0" ]; then
-    echo "RPi-Monitor deamon id disabled."
-    echo "Update /etc/default/rpimonitor and set DEAMON_START to 1."
-    return 0
-  fi
-
   touch $PIDFILE
 
   for pid in $(cat $PIDFILE); do
@@ -80,19 +71,6 @@ status(){
   echo
 }
 
-update(){
-  if [ "$SHOW_PACKAGE_UPDATE" = "0" ]; then
-    echo > /var/lib/rpimonitor/updatestatus.txt
-    return 0
-  fi
-
-  log_daemon_msg "RPi-Monitor" "Updating package status"
-  LANG=C
-  apt-get upgrade --dry-run| perl -ne '/(.*upgraded.*installed|^  \S+.*)/ and print "$1 "' 2>/dev/null > /var/lib/rpimonitor/updatestatus.txt
-  status=$?
-  log_end_msg $status
-}
-
 checkroot
 case "$1" in
   start)
@@ -107,11 +85,8 @@ case "$1" in
   restart)
     restart
   ;;
-  update)
-    update
-  ;;
   *)
-    echo "Usage: $0 {start|stop|restart|status|update}"
+    echo "Usage: $0 {start|stop|restart|status}"
   ;;
 esac
 

rpimonitor/daemon.conf

@@ -5,53 +5,53 @@
 #  if embedded server should be started and its configuration.
 #
 ########################################################################
-
+# 
 #  daemon.sharedmemkey=20130906
 #    Define the share memory key
 #daemon.sharedmemkey=20130906
-
+# 
 #  daemon.delay=10
 #    Define the delay between 2 kpi pooling (default:10)
 #    Note: If you want to change the default delay, the rrd file will
 #    have to be deleted rpimonitord will recreate them at next startup
 #daemon.delay=10
-
+# 
 #  daemon.timeout=10
 #    Define the maximul duration of KPI extraction (default:5)
 #daemon.timeout=10
-
+# 
 #  daemon.noserver=1
 #    Define that rpimonitor shouldn't start web server (default:0)
 #    Note: A symbolic link from /var/lib/rpimonitor/stat to
 #          /usr/share/rpimonitor/stat may be required
 #daemon.noserver=1
-
+# 
 #  daemon.addr=0.0.0.0
 #    Define the address used by the web server (default:0.0.0.0)
 #daemon.addr=0.0.0.0
-
+# 
 #  daemon.port=8888
 #    Define port of the web server (default:8888)
 #daemon.port=8889
-
+# 
 #  daemon.user=pi
 #    Define user used to run the server process (default:pi)
 #    Note: If user is not existing, process will run with uid=1000
 #daemon.user=pi
-
+# 
 #  daemon.group=pi
 #    Define group used to run the server process (default:pi)
 #    Note: If group is not existing, process will run with gid=1000
 #daemon.group=pi
-
+# 
 #  daemon.webroot=/usr/share/rpimonitor/web
 #    Define the root directory of the web server (Default:/usr/share/rpimonitor/web)
 #daemon.webroot=/usr/share/rpimonitor/web
-
+# 
 #  daemon.datastore=/var/lib/rpimonitor
 #    Define the data storage directory (Default:/var/lib/rpimonitor)
 #daemon.datastore=/var/lib/rpimonitor
-
+# 
 #  daemon.shellinabox=https://0.0.0.0:4200/
 #    Define shellinabox address (Default: calculated automatically based on http request)
 #daemon.shellinabox=https://127.0.0.1:4200/

rpimonitor/rpimonitord

@@ -41,6 +41,10 @@ sub new
   $this->Debug(3,"");
   $this->{'rrd'}=();
   $this->{'daemon'}->{'confFiles'} = [];
+  $this->{'counter'}->{'static'}  = 0;
+  $this->{'counter'}->{'dynamic'} = 0;
+  $this->{'counter'}->{'status'} = 0;
+  $this->{'counter'}->{'statistics'} = 0;
   return $this;
 }
 
@@ -83,7 +87,7 @@ sub Load
   $this->{'daemon'}->{'delay'}       ||= 10;
   $this->{'daemon'}->{'timeout'}     ||= 5;
   $this->{'daemon'}->{'sharedmemkey'}||= 20130906;
-
+  
   # Check user and group
   $this->{'daemon'}->{'gid'} = getgrnam($this->{'daemon'}->{'user'})  || 1000;
   $this->{'daemon'}->{'uid'} = getpwnam($this->{'daemon'}->{'group'}) || 1000;
@@ -112,6 +116,11 @@ sub Load
 
   #print Data::Dumper->Dump([$this->{'rrdlist'}]);
 
+  # manage page common parameters
+  $this->{'web'}->{'page'}->{'icon'}      ||= 'img/logo.png';
+  $this->{'web'}->{'page'}->{'menutitle'} ||= 'RPi-Monitor';
+  $this->{'web'}->{'page'}->{'pagetitle'} ||= 'RPi-Monitor';
+
   # manage menu
   foreach (@{$this->{'web'}->{'status'}}) {
     $_->{'name'} and push(@{$this->{'menu'}->{'status'}}, $_->{'name'});
@@ -127,6 +136,7 @@ sub Load
     ) or die $!;
 
   if ( $this->{'show'} ) {
+    $Data::Dumper::Indent = 1;
     die Data::Dumper->Dump([$this]);
   }
 }
@@ -135,43 +145,69 @@ sub LoadFile
 {
   my $this = shift;
   my $confFile = shift;
+  my $dict;
   $this->Debug(2,"Loading file: $confFile");
 
   open ( FILE, $confFile)
     or die "Error while openning configuration file \"$confFile\" because $!\n";
   while (<FILE>){
     chomp;
     /^\s*#|^$/ and next;                 # Ignore comments
+    /^include=(.*)/ and -f $1 and push($this->{'daemon'}->{'confFiles'}, $1) and next;
     my ($key, $value) = /^([^=]*)=(.*)/; # Extract key and value
     my @leaves=split('\.', $key);        # Explode key and construct config hash
     my $tree=$this;
+    my $previous;
     my $current;
     my $next;
-    while (scalar(@leaves) > 0) {
-      $current ||= shift (@leaves);
-      $next = shift (@leaves);
-      if ( $next =~ /^\d+$/ ) {
-        if ($current =~ /^\d+$/) {
-          @{$tree}[$current-1] ||= [];
-          $tree=@{$tree}[$current-1];
+    my $root;
+    while (scalar(@leaves) > 0) {         # While @leaves contains data
+      $current ||= shift (@leaves);       # If root is empty, shift the first element of @leaves to $current 
+      $root ||= $current;
+      if ( $root eq 'web' ) { $root = $current }
+      $next = shift (@leaves);            # Shift the first element of @leaves in $next
+      if ( $next =~ /^\d+$/ ) {           # If $next is an integer -> we are in an array
+        if ($current =~ /^\d+$/) {        # If $current is an integer -> we are in an array
+          @{$tree}[$current-1] ||= [];    # If the branch is not an array, create an empty array
+          $tree=@{$tree}[$current-1];     # Define this array as $tree root
         }
         else {
-          $tree->{$current} ||= [];
-          $tree=$tree->{$current};
+          $tree->{$current} ||= [];       # If the branch is not an array, create an empty array
+          $tree=$tree->{$current};        # Define this array as $tree root
         }
-      } else {
-        if ($current =~ /^\d+$/) {
-          @{$tree}[$current-1] ||= {};
-          $tree=@{$tree}[$current-1];
+      } else {                            # If $next is not an integer -> We are in a hash
+        if ($current =~ /^\d+$/) {        # If $current is an integer -> we are in an array
+          my $index = $current; 
+
+          # Manage per file indexes unicity
+          if ( ($root eq "static")            || 
+               ($root eq "dynamic")           || 
+               ( ( ($root eq 'status' )       || 
+                   ($root eq 'statistics' ) ) && 
+                 ($previous eq "content") ) ) 
+          {
+            # If $index is not in $dict, add it with counter++
+            if ( ! $dict->{$root}[$current] ) 
+            {
+              $dict->{$root}[$current] = ++$this->{'counter'}->{$root};
+            }
+            $index = $dict->{$root}[$current];
+          }
+
+          @{$tree}[$index-1] ||= {};      # If the branch is not an array, create an empty hash
+          $tree=@{$tree}[$index-1];       # Define this hash as $tree root
         }
-        else {
-          $tree->{$current} ||= {};
-          $tree=$tree->{$current};
+        else {                            # We are in a hash
+          $tree->{$current} ||= {};       # If the branch is not an array, create an empty hash
+          $tree=$tree->{$current};        # Define this hash as $tree root
         }
       }
       if ( ($next eq 'rrd') and $value) { push(@{$this->{'rrd'}},$tree) };
+      $previous = $current;
       $current = $next;
     }
+
+    # Add value
     if ($current =~ /^\d+$/) {
       @{$tree}[$current-1] = $value;
     }
@@ -242,6 +278,7 @@ sub new
     "/statistics.json",
     "/menu.json",
     "/friends.json",
+    "/page.json",
     "/version.json",
     "/favicon.ico",
 
@@ -439,6 +476,7 @@ sub Run
   $this->{'status'} = encode_json(\@{$configuration->{'web'}->{'status'}});
   $this->{'statistics'} = encode_json(\@{$configuration->{'web'}->{'statistics'}});
   $this->{'friends'} = encode_json(\@{$configuration->{'web'}->{'friends'}});
+  $this->{'page'} = encode_json(\%{$configuration->{'web'}->{'page'}});
   $this->{'static'} = encode_json(\%{$monitor->{'static'}});
   $this->{'menu'} = encode_json(\%{$configuration->{'menu'}});
   $this->{'version'} = "{\"version\":\"$configuration->{'version'}\"}";
@@ -519,6 +557,10 @@ sub Run
       or warn $!;
       print FILE encode_json \@{$configuration->{'web'}->{'status'}} ;
     close(FILE);
+    open(FILE, "> $configuration->{'daemon'}->{'webroot'}/page.json")
+      or warn $!;
+      print FILE encode_json \%{$configuration->{'web'}->{'page'}} ;
+    close(FILE);
     open(FILE, "> $configuration->{'daemon'}->{'webroot'}/statistics.json")
       or warn $!;
       print FILE encode_json \@{$configuration->{'web'}->{'statistics'}} ;
@@ -935,6 +977,7 @@ sub Run
 package main;
 use strict;
 use POSIX;
+use Sys::Hostname;
 
 sub help
 {
@@ -1077,6 +1120,7 @@ $pidfile and &daemonize;
 my $monitor = Monitor->new();
 # Process data that should be extracted once, before the server starts
 $monitor->Process($configuration,'static');
+$monitor->{'static'}->{'hostname'} = hostname();
 
 $SIG{INT}    = sub { stop(); }; # catch Ctrl+C