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add --autodetect-redhat option

This commit is contained in:
garnier-quentin 2019-09-20 11:04:02 +02:00
parent 45efdcf18d
commit a2b2495c83
1 changed files with 25 additions and 5 deletions
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30
snmp_standard/mode/memory.pm
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@ -157,6 +157,7 @@ sub new {
'free' => { name => 'free' },
'swap' => { name => 'check_swap' },
'redhat' => { name => 'redhat' },
'autodetect-redhat' => { name => 'autodetect_redhat' },
});
return $self;
@ -200,17 +201,29 @@ sub check_options {
}
my $mapping = {
sysDescr => { oid => '.1.3.6.1.2.1.1.1' },
memTotalSwap => { oid => '.1.3.6.1.4.1.2021.4.3' },
memAvailSwap => { oid => '.1.3.6.1.4.1.2021.4.4' },
memTotalReal => { oid => '.1.3.6.1.4.1.2021.4.5' },
memAvailReal => { oid => '.1.3.6.1.4.1.2021.4.6' },
memTotalFree => { oid => '.1.3.6.1.4.1.2021.4.11' },
memShared => { oid => '.1.3.6.1.4.1.2021.4.13' },
memBuffer => { oid => '.1.3.6.1.4.1.2021.4.14' },
memCached => { oid => '.1.3.6.1.4.1.2021.4.15' },
memShared => { oid => '.1.3.6.1.4.1.2021.4.13' },
memBuffer => { oid => '.1.3.6.1.4.1.2021.4.14' },
memCached => { oid => '.1.3.6.1.4.1.2021.4.15' },
};
my $oid_memory = '.1.3.6.1.4.1.2021.4';
sub autodetect_rhel7 {
my ($self, %options) = @_;
# https://access.redhat.com/articles/3078#RHEL7
# rhel 7.6: "Linux dev 3.10.0-957.10.1.el7.x86_64 #1 SMP Mon Mar 18 15:06:45 UTC 2019 x86_64"
# rhel 7.7: "Linux dev 3.10.0-1062.1.1.el7.x86_64 #1 SMP Fri Sep 13 22:55:44 UTC 2019 x86_64"
return if (!defined($options{result}->{sysDescr}) || $options{result}->{sysDescr} !~ /3\.10\.0-(\d+)\..*?\.el7\./);
my $build = $1;
if ($build >= 1062) {
$self->{option_results}->{redhat} = 1;
}
}
sub memory_calc {
my ($self, %options) = @_;
@ -311,9 +324,12 @@ sub swap_calc {
sub manage_selection {
my ($self, %options) = @_;
my $results = $options{snmp}->get_table(oid => $oid_memory, end => $mapping->{memCached}->{oid});
my $results = $options{snmp}->get_leef(
oids => [ map($_->{oid} . '.0', values(%$mapping)) ]
);
my $result = $options{snmp}->map_instance(mapping => $mapping, results => $results, instance => 0);
$self->autodetect_rhel7(result => $result) if (defined($self->{option_results}->{autodetect_redhat}));
$self->memory_calc(result => $result);
if (defined($self->{option_results}->{check_swap})) {
$self->swap_calc(result => $result);
@ -349,6 +365,10 @@ Can be: 'usage' (B), 'usage-free' (B), 'usage-prct' (%),
'swap' (B), 'swap-free' (B), 'swap-prct' (%),
'buffer' (B), 'cached' (B), 'shared' (B).
=item B<--autodetect-redhat>
Try to detect autodetect rhel 7.7 version and higher.
=item B<--redhat>
If using RedHat distribution with net-snmp >= 5.7.2-43.