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Added new module for memory plugin, availableMemory, which is the sum of free, cached and swapcached memory. Added comment on current FreeMemory module and removed thresholds for ProcessTotal module, also changed default threshold to avoid "by default" critical/warning status.

This commit is contained in:
Sancho Lerena 2014-12-30 15:48:09 +01:00
parent 3de6bf507f
commit 4ef4e04ccf
2 changed files with 23 additions and 8 deletions
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4
pandora_agents/unix/Linux/pandora_agent.conf
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@ -220,10 +220,6 @@ module_name Number processes
module_type generic_data
module_exec ps aux | wc -l
module_description Total processes
module_min_warning 150
module_max_warning 249
module_min_critical 250
module_max_critical 300
module_unit processes
module_end

27
pandora_agents/unix/plugins/pandora_mem
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@ -15,22 +15,41 @@ my $SFREE=($SUSED/$STOTAL)*100;
$SFREE = floor($SFREE);
$FREEP = floor($FREEP);
# Added 30/Dec/2014, slerena
# Available memory as FreeMemory + Cached + SwapCached.
my $freemem=`cat /proc/meminfo | grep 'MemFree' | awk '{ print \$2 } '`;
my $cached=`cat /proc/meminfo | grep '^Cached:' | awk '{ print \$2 } '`;
my $cachedswap=`cat /proc/meminfo | grep '^SwapCached:' | awk '{ print \$2 }'`;
my $available=$freemem+$cached+$cachedwap;
my $available_percent = floor(($available / $STOTAL)*100);
print "<module>\n";
print "<name>FreeMemory</name>\n";
print "<type>generic_data</type>\n";
print "<description>Free memory %</description>\n";
print "<description>Free memory %. Note most linux use 99% of available memory by default, check Availablememory module for more accurate information on available physical memory on system</description>\n";
print "<unit>%</unit>\n";
print "<min_critical>0</min_critical>\n";
print "<max_critical>5</max_critical>\n";
print "<max_critical>2</max_critical>\n";
print "<data>$FREEP</data>\n";
print "</module>\n";
print "<module>\n";
print "<name>FreeSwap</name>\n";
print "<type>generic_data</type>\n";
print "<description>Free Swapy %</description>\n";
print "<description>Free Swap %</description>\n";
print "<unit>%</unit>\n";
print "<min_critical>0</min_critical>\n";
print "<max_critical>5</max_critical>\n";
print "<data>$SFREE</data>\n";
print "</module>\n";
print "<module>\n";
print "<name>AvailableMemory</name>\n";
print "<type>generic_data</type>\n";
print "<description>Available Physical Memory % (Free+Cached+CachedSwap)</description>\n";
print "<unit>%</unit>\n";
print "<min_critical>0</min_critical>\n";
print "<max_critical>10</max_critical>\n";
print "<data>$SFREE</data>\n";
print "<data>$available_percent</data>\n";
print "</module>\n";