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centreon-plugins
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fix(plugin): cadvisor undefined array when no stats available (#2866)

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Simon Bomm 2021-06-15 08:31:15 +02:00 committed by GitHub
parent 43efe5f014
commit e82f1d0bde
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1 changed files with 29 additions and 28 deletions
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57
cloud/cadvisor/restapi/mode/diskio.pm
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@ -112,38 +112,39 @@ sub manage_selection {
my $read_io = {};
my $write_io = {};
$self->{containers}->{$container_id} = {
node_name => $result->{$container_id}->{NodeName},
display => defined($self->{option_results}->{use_name}) ? $name : $container_id,
name => $name,
};
# The API does not present the devices in the same order between the first and the last stats sample, so we can't just compare [0] with [0] and [1] with [1], we have to check the name of the device
foreach my $diskio_index (0..(scalar(@{$first_stat->{diskio}->{io_service_bytes}}) - 1)) {
my $name = defined($self->{option_results}->{use_name}) ? $name : $container_id;
my $device = $first_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{device};
$name .= ':' . $device;
$read_io->{$name} = {first => $first_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{stats}->{Read}};
$write_io->{$name} = {first => $first_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{stats}->{Write}};
}
foreach my $diskio_index (0..(scalar(@{$last_stat->{diskio}->{io_service_bytes}}) - 1)) {
my $name = defined($self->{option_results}->{use_name}) ? $name : $container_id;
my $device = $last_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{device};
$name .= ':' . $device;
$read_io->{$name}->{last} = $last_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{stats}->{Read};
$write_io->{$name}->{last} = $last_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{stats}->{Write};
}
foreach my $diskio_disk (keys %$read_io) {
$self->{containers_diskio}->{$diskio_disk} = {
display => $diskio_disk,
diskio_read => ($read_io->{$diskio_disk}->{last} - $read_io->{$diskio_disk}->{first}) / $diff_ts ,
diskio_write => ($write_io->{$diskio_disk}->{last} - $write_io->{$diskio_disk}->{first}) / $diff_ts,
if (keys $first_stat->{diskio}) {
$self->{containers}->{$container_id} = {
node_name => $result->{$container_id}->{NodeName},
display => defined($self->{option_results}->{use_name}) ? $name : $container_id,
name => $name,
};
# The API does not present the devices in the same order between the first and the last stats sample, so we can't just compare [0] with [0] and [1] with [1], we have to check the name of the device
foreach my $diskio_index (0..(scalar(@{$first_stat->{diskio}->{io_service_bytes}}) - 1)) {
my $name = defined($self->{option_results}->{use_name}) ? $name : $container_id;
my $device = $first_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{device};
$name .= ':' . $device;
$read_io->{$name} = {first => $first_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{stats}->{Read}};
$write_io->{$name} = {first => $first_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{stats}->{Write}};
}
foreach my $diskio_index (0..(scalar(@{$last_stat->{diskio}->{io_service_bytes}}) - 1)) {
my $name = defined($self->{option_results}->{use_name}) ? $name : $container_id;
my $device = $last_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{device};
$name .= ':' . $device;
$read_io->{$name}->{last} = $last_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{stats}->{Read};
$write_io->{$name}->{last} = $last_stat->{diskio}->{io_service_bytes}->[$diskio_index]->{stats}->{Write};
}
foreach my $diskio_disk (keys %$read_io) {
$self->{containers_diskio}->{$diskio_disk} = {
display => $diskio_disk,
diskio_read => ($read_io->{$diskio_disk}->{last} - $read_io->{$diskio_disk}->{first}) / $diff_ts ,
diskio_write => ($write_io->{$diskio_disk}->{last} - $write_io->{$diskio_disk}->{first}) / $diff_ts,
};
}
}
}
if (scalar(keys %{$self->{containers}}) <= 0) {
$self->{output}->add_option_msg(short_msg => "No containers found.");
$self->{output}->add_option_msg(short_msg => "No containers found or no data available for diskio metrics.");
$self->{output}->option_exit();
}