centreon-plugins/database/oracle/mode/listtablespaces.pm

408 lines
14 KiB
Perl

#
# Copyright 2020 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
package database::oracle::mode::listtablespaces;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
my $order = ['name', 'total', 'free', 'used', 'prct_used', 'type', 'status'];
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$options{options}->add_options(arguments => {
'filter-tablespace:s' => { name => 'filter_tablespace' },
'notemp' => { name => 'notemp' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
}
sub manage_selection {
my ($self, %options) = @_;
$options{sql}->connect();
# request from check_oracle_health.
my $query;
if ($options{sql}->is_version_minimum(version => '11')) {
$query = sprintf(
q{
SELECT
tum.tablespace_name "Tablespace",
t.status "Status",
t.contents "Type",
t.extent_management "Extent Mgmt",
tum.used_space*t.block_size bytes,
tum.tablespace_size*t.block_size bytes_max
FROM
DBA_TABLESPACE_USAGE_METRICS tum
INNER JOIN
dba_tablespaces t on tum.tablespace_name=t.tablespace_name
%s
},
defined($self->{option_results}->{notemp}) ?
"WHERE (t.contents != 'TEMPORARY' AND t.contents != 'UNDO')" :
''
);
} elsif ($options{sql}->is_version_minimum(version => '9')) {
my $tbs_sql_undo = q{
SELECT
tablespace_name, bytes_expired
FROM
(
SELECT
a.tablespace_name,
SUM (a.bytes) bytes_expired,
a.status
FROM
dba_undo_extents a
GROUP BY
tablespace_name, status
)
WHERE
status = 'EXPIRED'
};
my $tbs_sql_undo_empty = q{
SELECT NULL AS tablespace_name, NULL AS bytes_expired FROM DUAL
};
my $tbs_sql_temp = q{
UNION ALL
SELECT
d.tablespace_name "Tablespace",
b.status "Status",
b.contents "Type",
b.extent_management "Extent Mgmt",
sum(a.bytes_free + a.bytes_used) bytes, -- allocated
SUM(DECODE(d.autoextensible, 'YES', d.maxbytes, 'NO', d.bytes)) bytes_max,
SUM(a.bytes_free + a.bytes_used - NVL(c.bytes_used, 0)) bytes_free
FROM
sys.v_$TEMP_SPACE_HEADER a,
sys.dba_tablespaces b,
sys.v_$Temp_extent_pool c,
dba_temp_files d
WHERE
c.file_id(+) = a.file_id
and c.tablespace_name(+) = a.tablespace_name
and d.file_id = a.file_id
and d.tablespace_name = a.tablespace_name
and b.tablespace_name = a.tablespace_name
GROUP BY
b.status,
b.contents,
b.extent_management,
d.tablespace_name
ORDER BY
1
};
$query = sprintf(
q{
SELECT /*+ opt_param('optimizer_adaptive_features','false') */
a.tablespace_name "Tablespace",
b.status "Status",
b.contents "Type",
b.extent_management "Extent Mgmt",
a.bytes bytes,
a.maxbytes bytes_max,
c.bytes_free + NVL(d.bytes_expired,0) bytes_free
FROM
(
-- belegter und maximal verfuegbarer platz pro datafile
-- nach tablespacenamen zusammengefasst
-- => bytes
-- => maxbytes
SELECT
a.tablespace_name,
SUM(a.bytes) bytes,
SUM(DECODE(a.autoextensible, 'YES', a.maxbytes, 'NO', a.bytes)) maxbytes
FROM
dba_data_files a
GROUP BY
tablespace_name
) a,
sys.dba_tablespaces b,
(
-- freier platz pro tablespace
-- => bytes_free
SELECT
a.tablespace_name,
SUM(a.bytes) bytes_free
FROM
dba_free_space a
GROUP BY
tablespace_name
) c,
(
%s
) d
WHERE
a.tablespace_name = c.tablespace_name (+)
AND a.tablespace_name = b.tablespace_name
AND a.tablespace_name = d.tablespace_name (+)
%s
%s
},
defined($self->{option_results}->{notemp}) ? $tbs_sql_undo_empty : $tbs_sql_undo,
defined($self->{option_results}->{notemp}) ? "AND (b.contents != 'TEMPORARY' AND b.contents != 'UNDO')" : '',
defined($self->{option_results}->{notemp}) ? "" : $tbs_sql_temp
);
} elsif ($options{sql}->is_version_minimum(version => '8')) {
$query = q{SELECT
a.tablespace_name "Tablespace",
b.status "Status",
b.contents "Type",
b.extent_management "Extent Mgmt",
a.bytes bytes,
a.maxbytes bytes_max,
c.bytes_free bytes_free
FROM
(
-- belegter und maximal verfuegbarer platz pro datafile
-- nach tablespacenamen zusammengefasst
-- => bytes
-- => maxbytes
SELECT
a.tablespace_name,
SUM(a.bytes) bytes,
SUM(DECODE(a.autoextensible, 'YES', a.maxbytes, 'NO', a.bytes)) maxbytes
FROM
dba_data_files a
GROUP BY
tablespace_name
) a,
sys.dba_tablespaces b,
(
-- freier platz pro tablespace
-- => bytes_free
SELECT
a.tablespace_name,
SUM(a.bytes) bytes_free
FROM
dba_free_space a
GROUP BY
tablespace_name
) c
WHERE
a.tablespace_name = c.tablespace_name (+)
AND a.tablespace_name = b.tablespace_name
AND (b.contents = 'PERMANENT'
OR (b.contents <> 'PERMANENT'
AND a.tablespace_name=(select value from v$parameter where name='undo_tablespace')))
UNION ALL
SELECT
a.tablespace_name "Tablespace",
b.status "Status",
b.contents "Type",
b.extent_management "Extent Mgmt",
sum(a.bytes_free + a.bytes_used) bytes, -- allocated
d.maxbytes bytes_max,
SUM(a.bytes_free + a.bytes_used - NVL(c.bytes_used, 0)) bytes_free
FROM
sys.v_$TEMP_SPACE_HEADER a,
sys.dba_tablespaces b,
sys.v_$Temp_extent_pool c,
dba_temp_files d
WHERE
c.file_id(+) = a.file_id
and c.tablespace_name(+) = a.tablespace_name
and d.file_id = a.file_id
and d.tablespace_name = a.tablespace_name
and b.tablespace_name = a.tablespace_name
GROUP BY
a.tablespace_name,
b.status,
b.contents,
b.extent_management,
d.maxbytes
ORDER BY
1
};
} else {
$query = q{
SELECT
a.tablespace_name "Tablespace",
b.status "Status",
b.contents "Type",
'DICTIONARY' "Extent Mgmt",
a.bytes bytes,
a.maxbytes bytes_max,
c.bytes_free bytes_free
FROM
(
-- belegter und maximal verfuegbarer platz pro datafile
-- nach tablespacenamen zusammengefasst
-- => bytes
-- => maxbytes
SELECT
a.tablespace_name,
SUM(a.bytes) bytes,
SUM(a.bytes) maxbytes
FROM
dba_data_files a
GROUP BY
tablespace_name
) a,
sys.dba_tablespaces b,
(
-- freier platz pro tablespace
-- => bytes_free
SELECT
a.tablespace_name,
SUM(a.bytes) bytes_free
FROM
dba_free_space a
GROUP BY
tablespace_name
) c
WHERE
a.tablespace_name = c.tablespace_name (+)
AND a.tablespace_name = b.tablespace_name
};
}
$options{sql}->query(query => $query);
my $result = $options{sql}->fetchall_arrayref();
my $tablespaces = {};
foreach my $row (@$result) {
my ($name, $status, $type, $extentmgmt, $bytes, $bytes_max, $bytes_free) = @$row;
if (defined($self->{option_results}->{notemp}) && ($type eq 'UNDO' || $type eq 'TEMPORARY')) {
$self->{output}->output_add(long_msg => "skipping '" . $name . "': temporary or undo.", debug => 1);
next;
}
if (defined($self->{option_results}->{filter_tablespace}) && $self->{option_results}->{filter_tablespace} ne '' &&
$name !~ /$self->{option_results}->{filter_tablespace}/) {
$self->{output}->output_add(long_msg => "skipping '" . $name . "': no matching filter.", debug => 1);
next;
}
if (!defined($bytes)) {
# seems corrupted, cannot get value
$self->{output}->output_add(long_msg => sprintf("tbs '%s' cannot get data", $name), debug => 1);
next;
}
if (defined($self->{option_results}->{skip}) && $status eq 'OFFLINE') {
$self->{output}->output_add(long_msg => "skipping '" . $name . "': tbs is offline", debug => 1);
next;
}
my ($percent_used, $percent_free, $used, $free, $size);
if ($options{sql}->is_version_minimum(version => '11')) {
$percent_used = $bytes / $bytes_max * 100;
$size = $bytes_max;
$free = $bytes_max - $bytes;
$used = $bytes;
} elsif ((!defined($bytes_max)) || ($bytes_max eq '')) {
$self->{output}->output_add(long_msg => "skipping '" . $name . "': bytes max not defined.", debug => 1);
next;
} elsif ($bytes_max > $bytes) {
$percent_used = ($bytes - $bytes_free) / $bytes_max * 100;
$size = $bytes_max;
$free = $bytes_free + ($bytes_max - $bytes);
$used = $size - $free;
} else {
$percent_used = ($bytes - $bytes_free) / $bytes * 100;
$size = $bytes;
$free = $bytes_free;
$used = $size - $free;
}
$tablespaces->{$name} = {
used => $used,
free => $free,
total => $size,
prct_used => $percent_used,
name => $name,
type => $type,
status => $status
};
}
$options{sql}->disconnect();
return $tablespaces;
}
sub run {
my ($self, %options) = @_;
my $tablespaces = $self->manage_selection(%options);
foreach (sort keys %$tablespaces) {
my $entry = '';
foreach my $label (@$order) {
$entry .= '[' . $label . ' = ' . $tablespaces->{$_}->{$label} . '] ';
}
$self->{output}->output_add(long_msg => $entry);
}
$self->{output}->output_add(
severity => 'OK',
short_msg => 'List tablespaces:'
);
$self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
$self->{output}->exit();
}
sub disco_format {
my ($self, %options) = @_;
$self->{output}->add_disco_format(elements => $order);
}
sub disco_show {
my ($self, %options) = @_;
my $tablespaces = $self->manage_selection(%options);
foreach (sort keys %$tablespaces) {
$self->{output}->add_disco_entry(%{$tablespaces->{$_}});
}
}
1;
__END__
=head1 MODE
List oracle tablespaces.
=over 8
=item B<--filter-tablespace>
Filter tablespace by name. Can be a regex.
=item B<--notemp>
skip temporary or undo tablespaces.
=back
=cut