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Correct memory calculation (#2513) 

Correct memory calculation for Arista with EOS > 4.22.0F
https://eos.arista.com/memory-utilization-of-eos-devices/
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Dalfo 2021-01-18 11:29:43 +01:00 committed by GitHub
parent e8b80bf9d3
commit 99b8e2fec0
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1 changed files with 9 additions and 2 deletions
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11
network/arista/snmp/mode/memory.pm
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@ -132,10 +132,11 @@ sub manage_selection {
);
$snmp_result = $options{snmp}->get_leef();
my ($total, $used, $cached, $buffer);
my ($total, $used, $cached, $buffer, $unavailable);
#.1.3.6.1.2.1.25.2.3.1.3.1 = STRING: RAM
#.1.3.6.1.2.1.25.2.3.1.3.2 = STRING: RAM (Buffers)
#.1.3.6.1.2.1.25.2.3.1.3.3 = STRING: RAM (Cache)
#.1.3.6.1.2.1.25.2.3.1.3.100 = STRING: RAM (Unavailable)
foreach (@$storages) {
my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $_);
my $current = $result->{hrStorageUsed} * $result->{hrStorageAllocationUnits};
@ -145,13 +146,19 @@ sub manage_selection {
$cached = $current;
} elsif ($result->{hrStorageDescr} =~ /RAM.*?Buffers/i) {
$buffer = $current;
} elsif ($result->{hrStorageDescr} =~ /RAM.*?Unavailable/i) {
$unavailable = $current;
} elsif ($result->{hrStorageDescr} =~ /RAM/i) {
$used = $current;
$total = $result->{hrStorageSize} * $result->{hrStorageAllocationUnits};
}
}
$used -= (defined($cached) ? $cached : 0) - (defined($buffer) ? $buffer : 0);
if (defined($unavailable)) {
$used = $unavailable;
} else {
$used -= (defined($cached) ? $cached : 0) - (defined($buffer) ? $buffer : 0);
}
$self->{ram} = {
total => $total,
cached => $cached,