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centreon-plugins
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Fix #1812

This commit is contained in:
garnier-quentin 2020-01-24 14:44:17 +01:00
parent 6f2ac05fe3
commit 4488de5a65
1 changed files with 73 additions and 47 deletions
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120
centreon-plugins/os/linux/local/mode/memory.pm
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@ -30,22 +30,22 @@ sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$options{options}->add_options(arguments =>
{
"hostname:s" => { name => 'hostname' },
"remote" => { name => 'remote' },
"ssh-option:s@" => { name => 'ssh_option' },
"ssh-path:s" => { name => 'ssh_path' },
"ssh-command:s" => { name => 'ssh_command', default => 'ssh' },
"timeout:s" => { name => 'timeout', default => 30 },
"sudo" => { name => 'sudo' },
"command:s" => { name => 'command', default => 'cat' },
"command-path:s" => { name => 'command_path' },
"command-options:s" => { name => 'command_options', default => '/proc/meminfo 2>&1' },
"warning:s" => { name => 'warning', },
"critical:s" => { name => 'critical', },
});
$options{options}->add_options(arguments => {
'hostname:s' => { name => 'hostname' },
'remote' => { name => 'remote' },
'ssh-option:s@' => { name => 'ssh_option' },
'ssh-path:s' => { name => 'ssh_path' },
'ssh-command:s' => { name => 'ssh_command', default => 'ssh' },
'timeout:s' => { name => 'timeout', default => 30 },
'sudo' => { name => 'sudo' },
'command:s' => { name => 'command', default => 'cat' },
'command-path:s' => { name => 'command_path' },
'command-options:s' => { name => 'command_options', default => '/proc/meminfo /etc/redhat-release 2>&1' },
'warning:s' => { name => 'warning' },
'critical:s' => { name => 'critical' },
});
return $self;
}
@ -63,19 +63,30 @@ sub check_options {
}
}
sub check_rhel_version {
my ($self, %options) = @_;
$self->{rhel_71} = 0;
return if ($options{stdout} !~ /(?:Redhat|CentOS).*?release\s+(\d+)\.(\d+)/mi);
$self->{rhel_71} = 1 if ($1 >= 7 && $2 >= 1);
}
sub run {
my ($self, %options) = @_;
my $stdout = centreon::plugins::misc::execute(output => $self->{output},
options => $self->{option_results},
sudo => $self->{option_results}->{sudo},
command => $self->{option_results}->{command},
command_path => $self->{option_results}->{command_path},
command_options => $self->{option_results}->{command_options});
my ($stdout) = centreon::plugins::misc::execute(
output => $self->{output},
options => $self->{option_results},
sudo => $self->{option_results}->{sudo},
command => $self->{option_results}->{command},
command_path => $self->{option_results}->{command_path},
command_options => $self->{option_results}->{command_options},
no_quit => 1
);
# Buffer can be missing. In Openvz container for example.
my $buffer_used = 0;
my ($cached_used, $free, $total_size);
my ($cached_used, $free, $total_size, $slab_used);
foreach (split(/\n/, $stdout)) {
if (/^MemTotal:\s+(\d+)/i) {
$total_size = $1 * 1024;
@ -83,44 +94,59 @@ sub run {
$cached_used = $1 * 1024;
} elsif (/^Buffers:\s+(\d+)/i) {
$buffer_used = $1 * 1024;
} elsif (/^Slab:\s+(\d+)/i) {
$slab_used = $1 * 1024;
} elsif (/^MemFree:\s+(\d+)/i) {
$free = $1 * 1024;
}
}
if (!defined($total_size) || !defined($cached_used) || !defined($free)) {
$self->{output}->add_option_msg(short_msg => "Some informations missing.");
$self->{output}->add_option_msg(short_msg => 'Some informations missing.');
$self->{output}->option_exit();
}
$self->check_rhel_version(stdout => $stdout);
my $physical_used = $total_size - $free;
my $nobuf_used = $physical_used - $buffer_used - $cached_used;
$nobuf_used -= $slab_used if ($self->{rhel_71} == 1);
my $prct_used = $nobuf_used * 100 / $total_size;
my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
my ($nobuf_value, $nobuf_unit) = $self->{perfdata}->change_bytes(value => $nobuf_used);
my ($buffer_value, $buffer_unit) = $self->{perfdata}->change_bytes(value => $buffer_used);
my ($cached_value, $cached_unit) = $self->{perfdata}->change_bytes(value => $cached_used);
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Ram used (-buffers/cache) %s (%.2f%%), Buffer: %s, Cached: %s",
$nobuf_value . " " . $nobuf_unit, $prct_used,
$buffer_value . " " . $buffer_unit,
$cached_value . " " . $cached_unit));
$self->{output}->perfdata_add(label => "cached", unit => 'B',
value => $cached_used,
min => 0);
$self->{output}->perfdata_add(label => "buffer", unit => 'B',
value => $buffer_used,
min => 0);
$self->{output}->perfdata_add(label => "used", unit => 'B',
value => $nobuf_used,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', total => $total_size),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', total => $total_size),
min => 0, max => $total_size);
$self->{output}->output_add(
severity => $exit,
short_msg => sprintf(
"Ram used (-buffers/cache) %s (%.2f%%), Buffer: %s, Cached: %s",
$nobuf_value . " " . $nobuf_unit, $prct_used,
$buffer_value . " " . $buffer_unit,
$cached_value . " " . $cached_unit
)
);
$self->{output}->perfdata_add(
label => "cached", unit => 'B',
value => $cached_used,
min => 0
);
$self->{output}->perfdata_add(
label => "buffer", unit => 'B',
value => $buffer_used,
min => 0
);
$self->{output}->perfdata_add(
label => "used", unit => 'B',
value => $nobuf_used,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', total => $total_size),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', total => $total_size),
min => 0, max => $total_size
);
$self->{output}->display();
$self->{output}->exit();
}