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2011-06-09 Vanessa Gil <vanessa.gil@artica.es>

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* unix/pandora_agent: Clean the code: parse configuration files.



git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@4424 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
This commit is contained in:
vgilc 2011-06-09 08:48:11 +00:00
parent 126b0616bb
commit e2a1c7823e
2 changed files with 27 additions and 135 deletions
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4
pandora_agents/ChangeLog
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@ -1,3 +1,7 @@
2011-06-09 Vanessa Gil <vanessa.gil@artica.es>
* unix/pandora_agent: Clean the code: parse configuration files.
2011-06-07 Vanessa Gil <vanessa.gil@artica.es> 2011-06-07 Vanessa Gil <vanessa.gil@artica.es>
* win32/pandora_agent_conf.cc * win32/pandora_agent_conf.cc

158
pandora_agents/unix/pandora_agent
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@ -151,7 +151,7 @@ my %Conf = (
'udp_server' => 0, 'udp_server' => 0,
'proxy_mode' => 0, 'proxy_mode' => 0,
'proxy_max_connection' => 10, 'proxy_max_connection' => 10,
'proxy_timeout' => 1 'proxy_timeout' => 1,
); );
# Modules # Modules
@ -293,6 +293,8 @@ sub parse_conf_modules($) {
my $module; my $module;
foreach my $line (@{$param}) { foreach my $line (@{$param}) {
next if ($line =~ m/^\s*#/) or ($line =~ m/^\s*$/);
# Module definition # Module definition
if ($line =~ /^\s*module_begin\s*$/) { if ($line =~ /^\s*module_begin\s*$/) {
$module = { $module = {
@ -398,143 +400,41 @@ sub parse_conf_modules($) {
my $collection = $1; my $collection = $1;
} }
} }
return;
} }
################################################################################ ################################################################################
# Parse configuration file. # Read configuration file. Exit on error.
################################################################################ ################################################################################
sub parse_conf ($$) { sub read_config (;$) {
my ($param, $token) = @_; my $token = shift;
my $module; my $module;
foreach my $line (@{$param}) { error ("File '$ConfDir/$ConfFile' not found.") unless (-e "$ConfDir/$ConfFile");
open (CONF_FILE, "$ConfDir/$ConfFile") or error ("Could not open file '$ConfDir/$ConfFile': $!.");
my @file = <CONF_FILE>;
while (my $line = <CONF_FILE>) {
# Skip comments and empty lines # Skip comments and empty lines
next if ($line =~ m/^\s*#/) or ($line =~ m/^\s*$/); next if ($line =~ m/^\s*#/) or ($line =~ m/^\s*$/);
# Single token search # Single token search
if (defined ($token)) { if (defined ($token)) {
return $2 if ($line =~ /^\s*(\S+)\s+(.*)$/ && $1 eq $token); return $2 if ($line =~ /^\s*(\S+)\s+(.*)$/ && $1 eq $token);
next; next;
} }
#Additional configuration file
if ($line =~ /^include\s+(.*)\s*/){ if ($line =~ /^include\s+(.*)\s*/){
open (FILE, "$1") or next; open (FILE, "$1") or next;
my @file_conf = <FILE>; my @file_conf = <FILE>;
parse_conf_modules(\@file_conf); parse_conf_modules(\@file_conf);
close (FILE); close (FILE);
} }
# Module definition
if ($line =~ /^\s*module_begin\s*$/) {
$module = {
'name' => '',
'type' => 'generic_data',
'description' => '',
'func' => 0,
'params' => '',
'description' => '',
'interval' => 1,
'timeout' => 0,
'counter' => 0,
'max' => undef,
'min' => undef,
'post_process' => undef,
'save' => '',
'conditions' => [],
'cron' => '',
'cron_utimestamp' => 0,
'cron_interval' => -1
};
} elsif ($line =~ /^\s*module_name\s+(.+)$/) {
$module->{'name'} = $1;
} elsif ($line =~ /^\s*module_description\s+(.+)$/) {
$module->{'description'} = $1;
} elsif ($line =~ /^\s*module_type\s+(\S+)\s*$/) {
$module->{'type'} = $1;
} elsif ($line =~ /^\s*module_exec\s+(.+)$/) {
$module->{'func'} = \&module_exec;
$module->{'params'} = $1;
} elsif ($line =~ /^\s*module_cpuusage\s+(.*)$/) {
$module->{'func'} = \&module_cpuusage;
$module->{'params'} = $1;
} elsif ($line =~ /^\s*module_freememory\s+(.*)$/) {
$module->{'func'} = \&module_freememory;
$module->{'params'} = $1;
} elsif ($line =~ /^\s*module_freepercentmemory\s+(.*)$/) {
$module->{'func'} = \&module_freepercentmemory;
$module->{'params'} = $1;
} elsif ($line =~ /^\s*(module_proc|module_service)\s+(.+)$/) {
$module->{'func'} = \&module_proc;
$module->{'params'} = $2;
} elsif ($line =~ /^\s*module_cpuproc\s+(.+)$/) {
$module->{'func'} = \&module_cpuproc;
$module->{'params'} = $1;
} elsif ($line =~ /^\s*module_memproc\s+(.+)$/) {
$module->{'func'} = \&module_memproc;
$module->{'params'} = $1;
} elsif ($line =~ /^\s*module_freedisk\s+(.*)$/) {
$module->{'func'} = \&module_freedisk;
$module->{'params'} = $1;
} elsif ($line =~ /^\s*module_freepercentdisk\s+(.*)$/) {
$module->{'func'} = \&module_freepercentdisk;
$module->{'params'} = $1;
} elsif ($line =~ /^\s*module_occupiedpercentdisk\s+(.*)$/) {
$module->{'func'} = \&module_occupiedpercentdisk;
$module->{'params'} = $1;
} elsif ($line =~ /^\s*module_max\s+(.*)\s*$/) {
$module->{'max'} = $1;
} elsif ($line =~ /^\s*module_min\s+(.*)\s*$/) {
$module->{'min'} = $1;
} elsif ($line =~ /^\s*module_postprocess\s+(.*)\s*$/) {
$module->{'post_process'} = $1;
} elsif ($line =~ /^\s*module_interval\s+(\d+)\s*$/) {
$module->{'interval'} = $1;
# Make the module run the first time
$module->{'counter'} = $1;
} elsif ($line =~ /^\s*module_timeout\s+(\d+)\s*$/) {
$module->{'timeout'} = $1;
} elsif ($line =~ /^\s*module_save\s+(\w+)$/) {
$module->{'save'} = $1;
} elsif ($line =~ /^\s*module_condition\s+(.*)$/) {
my $action = $1;
# Numeric comparison
if ($action =~ /^\s*([<>!=]+)\s+(\d+\.\d*)\s+(.*)$/) {
push (@{$module->{'conditions'}}, {'operator' => $1, 'value_1' => $2, 'command' => $3});
# Interval
} elsif ($action =~ /^\s*[(]\s*(\d+\.\d*)\s*,\s*(\d+\.\d*)\s*[)]\s+(.*)$/) {
push (@{$module->{'conditions'}}, {'operator' => '()', 'value_1' => $1, 'value_2' => $2, 'command' => $3});
# Regular expression
} elsif ($action =~ /^\s*=~\s+(\S*)\s+(.*)$/) {
push (@{$module->{'conditions'}}, {'operator' => '=~', 'value_1' => $1, 'command' => $2});
}
} elsif ($line =~ /^\s*module_crontab\s+(((\*|(\d+(-\d+){0,1}))\s*){5}).*$/) {
$module->{'cron'} = $1;
} elsif ($line =~ /^\s*module_cron_interval\s+(\d+).*$/) {
$module->{'cron_interval'} = $1;
} elsif ($line =~ /^\s*module_end\s*$/) {
next unless ($module->{'name'} ne '') and ($module->{'func'} != 0);
push (@Modules, $module);
# Plugin
} elsif ($line =~ /^\s*module_plugin\s+(.+)$/) {
push (@Plugins, $1);
# Module proc command redefinition
} elsif ($line =~ /^\s*module_proc_cmd\s+(.+)$/) {
PROC_CMDS->{$OS} = $1;
# Module freedisk command redefinition
} elsif ($line =~ /^\s*module_freedisk_cmd\s+(.+)$/) {
PART_CMDS->{$OS} = $1;
# Collection
} elsif ($line =~ /^\s*file_collection\s+(.+)$/) {
my $collection = $1;
# Prevent path traversal attacks
if ($collection !~ m/(\.\.)|\//) {
$Collections{$collection} = 0;
}
# Configuration token # Configuration token
} elsif ($line =~ /^\s*(\S+)\s+(.*)$/) { if ($line =~ /^\s*(\S+)\s+(.*)$/) {
log_message ('setup', "$1 is $2"); log_message ('setup', "$1 is $2");
$Conf{$1} = $2; $Conf{$1} = $2;
@ -542,30 +442,18 @@ sub parse_conf ($$) {
# Remove trailing spaces # Remove trailing spaces
$Conf{$1} =~ s/\s*$//; $Conf{$1} =~ s/\s*$//;
} }
} }
return undef; # Module, plugin and collection definition
} parse_conf_modules(\@file);
################################################################################
# Read configuration file. Exit on error.
################################################################################
sub read_config (;$) {
my $token = shift;
error ("File '$ConfDir/$ConfFile' not found.") unless (-e "$ConfDir/$ConfFile");
open (CONF_FILE, "$ConfDir/$ConfFile") or error ("Could not open file '$ConfDir/$ConfFile': $!.");
my @file = <CONF_FILE>;
# Token not found # Token not found
if (defined ($token)) { if (defined ($token)) {
$token = parse_conf(\@file, $token);
close (CONF_FILE); close (CONF_FILE);
return $token if defined ($token);
return undef; return undef;
} parse_conf(\@file, $token); }
# Update the agent MD5 since agent_name may have changed # Update the agent MD5 since agent_name may have changed
$AgentMD5 = md5 ($Conf{'agent_name'}); $AgentMD5 = md5 ($Conf{'agent_name'});
$RemoteConfFile = "$AgentMD5.conf"; $RemoteConfFile = "$AgentMD5.conf";