| 1 | 1 | simandl | package HotSaNICmod::OSdep; |
| 2 | | | |
| 3 | | | use RRDs; |
| 4 | | | |
| 5 | | | use lib "../../lib"; |
| 6 | | | use HotSaNICsnmp; |
| 7 | | | |
| 8 | | | sub version { |
| 9 | | | ($VERSION = '$Revision: 1.13 $') =~ s/.*(\d+\.\d+).*/$1/; |
| 10 | | | return "default.pm $VERSION"; |
| 11 | | | } |
| 12 | | | |
| 13 | | | sub sample { |
| 14 | | | my %args=@_; |
| 15 | | | |
| 16 | | | my $oid = '.1.3.6.1.4.1.2021.9.1'; |
| 17 | | | # enterprises.ucdavis.dskTable.dskEntry |
| 18 | | | # |
| 19 | | | my $suf_device = '.3.'; |
| 20 | | | # .dskDevice |
| 21 | | | my $suf_total = '.6.'; |
| 22 | | | # .dskTotal |
| 23 | | | my $suf_used = '.8.'; |
| 24 | | | # .dskUsed |
| 25 | | | |
| 26 | | | if ($args{NUM} > 0) { |
| 27 | | | undef my %devmax; |
| 28 | | | undef my %devuse; |
| 29 | | | undef my %devyes; |
| 30 | | | undef my %devsnmp; |
| 31 | | | |
| 32 | | | # $dev $max $use $name $old $d @arr @diskfree $ERROR %ARGS); |
| 33 | | | |
| 34 | | | # check which drives should be sampled and which existing databases ahve to be updated |
| 35 | | | # |
| 36 | | | foreach (keys(%args)) { |
| 37 | | | if(index($_, "DRIVE") == 0 && $args{$_} > 0) { |
| 38 | | | if(index($_, "SNMP:") >= 0) { |
| 39 | | | my @arg; |
| 40 | | | my $key; |
| 41 | | | s/DRIVE:SNMP://; |
| 42 | | | @arg = split ":"; |
| 43 | | | $key = join "_", $arg[0], $arg[1]; |
| 44 | | | if(defined($devsnmp{$key})) { |
| 45 | | | push @{$devsnmp{$key}}, $arg[2]; |
| 46 | | | } else { |
| 47 | | | $devsnmp{$key} = [ $arg[2] ]; |
| 48 | | | } |
| 49 | | | } else { |
| 50 | | | s/DRIVE://; |
| 51 | | | $devyes{$_} = 1; |
| 52 | | | $devmax{$_} = "U"; |
| 53 | | | $devuse{$_} = "U"; |
| 54 | | | } |
| 55 | | | } |
| 56 | | | } |
| 57 | | | |
| 58 | | | # add/overwrite with summary of all currently available partitions |
| 59 | | | # using "df" system command. |
| 60 | | | |
| 61 | | | $old=""; |
| 62 | | | if ( $args{NFSPARTS} == 0) { @diskfree = grep(/\//,`df -lk`); } |
| 63 | | | else { @diskfree = grep(/\//,`df -k`); } |
| 64 | | | |
| 65 | | | foreach $_ (@diskfree) { |
| 66 | | | $_="$old $_"; |
| 67 | | | $old=""; |
| 68 | | | chomp; |
| 69 | | | ($dev,$max,$use) = split; |
| 70 | | | # check for line-break |
| 71 | | | if ((!defined $use) || ($use eq "")) { $old=$_; next; } |
| 72 | | | |
| 73 | | | $max*=1024 if defined $max; |
| 74 | | | $use*=1024 if defined $use; |
| 75 | | | |
| 76 | | | next if !defined($devyes{$dev}); |
| 77 | | | $devmax{$dev}=$max; |
| 78 | | | $devuse{$dev}=$use; |
| 79 | | | } |
| 80 | | | |
| 81 | | | # Begin SNMP conversation here |
| 82 | | | foreach ( keys(%devsnmp) ) { |
| 83 | | | my ($host, $com) = split "_", $_; |
| 84 | | | my @targets = @{$devsnmp{$_}}; |
| 85 | | | my $res; |
| 86 | | | |
| 87 | | | $res = HotSaNICsnmp::snmp_walk($host, $com, ($oid)); |
| 88 | | | if(keys(%$res) == 0) { |
| 89 | | | for (@targets) { |
| 90 | | | $devyes{$host."_".$_} = 1; |
| 91 | | | $devmax{$host."_".$_} = "U"; |
| 92 | | | $devuse{$host."_".$_} = "U"; |
| 93 | | | } |
| 94 | | | } else { |
| 95 | | | for (my $i=1; defined($$res{$oid.$suf_device.$i}); $i++) { |
| 96 | | | my $dev = $$res{$oid.$suf_device.$i}; |
| 97 | | | |
| 98 | | | for (@targets) { |
| 99 | | | if($_ eq $dev) { |
| 100 | | | my $total = $$res{$oid.$suf_total.$i}; |
| 101 | | | my $used = $$res{$oid.$suf_used.$i}; |
| 102 | | | |
| 103 | | | $devyes{$host."_".$dev} = 1; |
| 104 | | | $devmax{$host."_".$dev} = $total*1024; |
| 105 | | | $devuse{$host."_".$dev} = $used *1024; |
| 106 | | | } |
| 107 | | | } |
| 108 | | | } |
| 109 | | | } |
| 110 | | | } |
| 111 | | | |
| 112 | | | # End SNMP conversation here |
| 113 | | | |
| 114 | | | # here begins the evaluation of all sampled data: |
| 115 | | | # |
| 116 | | | foreach $name (keys %devmax) { |
| 117 | | | |
| 118 | | | # check if the device shall really be sampled |
| 119 | | | # |
| 120 | | | if ( defined($devyes{$name}) ) { |
| 121 | | | (my $rrdname = $name) =~ s/(\/|:)/_/g; |
| 122 | | | |
| 123 | | | # build new database if needed and update database |
| 124 | | | # |
| 125 | | | if ( ! -e "rrd/$rrdname.rrd" ) { system("./makerrd","$rrdname","U") } |
| 126 | | | RRDs::update "rrd/$rrdname.rrd",time.":".$devmax{$name}.":".$devuse{$name}; |
| 127 | | | if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update `$rrdname.rrd': $ERROR\n"; } |
| 128 | | | } |
| 129 | | | } |
| 130 | | | } |
| 131 | | | } |
| 132 | | | |
| 133 | | | 1; |
| 134 | | | |
