335 lines
18 KiB
Perl
335 lines
18 KiB
Perl
#
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# Copyright 2019 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package apps::varnish::local::mode::stats;
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use base qw(centreon::plugins::templates::counter);
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use strict;
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use warnings;
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use Digest::MD5 qw(md5_hex);
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use JSON::XS;
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sub configure_varnish_stats {
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my ($self, %options) = @_;
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$self->{varnish_stats} = [
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{ entry => 'client_conn', nlabel => 'connections.client.accepted.persecond', display_ok => 1, diff => 1, per_second => 1 },
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{ entry => 'client_drop', nlabel => 'connections.client.dropped.persecond', display_ok => 1, diff => 1, per_second => 1 },
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{ entry => 'client_req', nlabel => 'connections.client.request.received.persecond', display_ok => 1, diff => 1, per_second => 1 },
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{ entry => 'client_drop_late', nlabel => 'connections.client.dropped.late.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'client_req_400', nlabel => 'connections.client.request400.received.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'client_req_411', nlabel => 'connections.client.request411.received.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'client_req_413', nlabel => 'connections.client.request413.received.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'client_req_417', nlabel => 'connections.client.request417.received.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'backend_conn', nlabel => 'backends.connections.success.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'backend_unhealthy', nlabel => 'backends.connections.unhealthy.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'backend_busy', nlabel => 'backends.connections.busy.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'backend_fail', nlabel => 'backends.connections.fail.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'backend_reuse', nlabel => 'backends.connections.reuse.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'backend_recycle', nlabel => 'backends.connections.recycle.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'backend_retry', nlabel => 'backends.connections.retry.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'backend_req', nlabel => 'backends.requests.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'cache_hit', nlabel => 'cache.hit.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'cache_hitpass', nlabel => 'cache.hitpass.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'cache_miss', nlabel => 'cache.miss.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'n_sess_mem', nlabel => 'structure.session.memory.count', display_ok => 0 },
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{ entry => 'n_sess', nlabel => 'structure.session.count', display_ok => 0 },
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{ entry => 'n_sess', nlabel => 'structure.session.count', display_ok => 0 },
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{ entry => 'n_object', nlabel => 'structure.object.count', display_ok => 0 },
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{ entry => 'n_vampireobject', nlabel => 'object.unresurrected.count', display_ok => 0 },
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{ entry => 'n_objectcore', nlabel => 'structure.objectcore.count', display_ok => 0 },
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{ entry => 'n_objecthead', nlabel => 'structure.objecthead.count', display_ok => 0 },
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{ entry => 'n_waitinglist', nlabel => 'structure.waitinglist.count', display_ok => 0 },
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{ entry => 'n_vbc', nlabel => 'structure.vbc.count', display_ok => 0 },
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{ entry => 'n_backend', nlabel => 'backend.count', display_ok => 0 },
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{ entry => 'n_expired', nlabel => 'object.expired.count', display_ok => 0 },
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{ entry => 'n_lru_nuked', nlabel => 'object.lru.nuked.count', display_ok => 0 },
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{ entry => 'n_lru_moved', nlabel => 'object.lru.moved.count', display_ok => 0 },
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{ entry => 'n_objsendfile', nlabel => 'object.sent.file.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'n_objwrite', nlabel => 'object.sent.write.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'n_objoverflow', nlabel => 'object.overflow.workspace.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'shm_records', nlabel => 'shm.records.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'shm_writes', nlabel => 'shm.writes.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'shm_flushes', nlabel => 'shm.flushes.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'shm_cont', nlabel => 'shm.contentions.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'shm_cycles', nlabel => 'shm.cycles.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'sms_nreq', nlabel => 'sms.allocator.requests.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'sms_nobj', nlabel => 'sms.outstanding.allocations.count', display_ok => 0 },
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{ entry => 'sms_nbytes', nlabel => 'sms.outstanding.bytes', display_ok => 0, custom_output => $self->can('custom_output_scale_bytes') },
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{ entry => 'sms_balloc', nlabel => 'sms.outstanding.allocated.bytes', display_ok => 0, custom_output => $self->can('custom_output_scale_bytes') },
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{ entry => 'sms_bfree', nlabel => 'sms.outstanding.freed.bytes', display_ok => 0, custom_output => $self->can('custom_output_scale_bytes') },
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{ entry => 'fetch_head', nlabel => 'fetch.head.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_length', nlabel => 'fetch.length.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_chunked', nlabel => 'fetch.chunked.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_eof', nlabel => 'fetch.eof.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_bad', nlabel => 'fetch.badheaders.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_close', nlabel => 'fetch.close.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_oldhttp', nlabel => 'fetch.oldhttp.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_zero', nlabel => 'fetch.zero.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_failed', nlabel => 'fetch.failed.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_1xx', nlabel => 'fetch.1xx.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_204', nlabel => 'fetch.204.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'fetch_304', nlabel => 'fetch.304.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'n_ban', nlabel => 'ban.total.active.count', display_ok => 0 },
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{ entry => 'n_ban_add', nlabel => 'ban.new.added.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'n_ban_retire', nlabel => 'ban.old.deleted.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'n_ban_obj_test', nlabel => 'ban.object.tested.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'n_ban_re_test', nlabel => 'ban.object.tested.regexp.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'n_ban_dups', nlabel => 'ban.duplicate.removed.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'dir_dns_lookups', nlabel => 'dns.director.lookups.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'dir_dns_failed', nlabel => 'dns.director.lookups.failed.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'dir_dns_hit', nlabel => 'dns.director.lookups.cachehit.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'dir_dns_cache_full', nlabel => 'dns.director.cache.full.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'esi_errors', nlabel => 'esi.parse.errors.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'esi_warnings', nlabel => 'esi.parse.warnings.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'hcb_nolock', nlabel => 'hck.lookups.nolock.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'hcb_lock', nlabel => 'hck.lookups.lock.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'hcb_insert', nlabel => 'hck.inserts.persecond', display_ok => 0, diff => 1, per_second => 1 },
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{ entry => 'n_vcl', nlabel => 'vlc.total.count', display_ok => 0, diff => 1 },
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{ entry => 'n_vcl_avail', nlabel => 'vlc.available.count', display_ok => 0, diff => 1 },
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{ entry => 'n_vcl_discard', nlabel => 'vlc.discarded.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_conn', nlabel => 'sessions.accepted.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_drop', nlabel => 'sessions.dropped.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_fail', nlabel => 'sessions.failed.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_pipe_overflow', nlabel => 'sessions.pipe.overflow.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_queued', nlabel => 'sessions.queued.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_readahead', nlabel => 'sessions.readahead.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_closed', nlabel => 'sessions.closed.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_herd', nlabel => 'sessions.herd.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_linger', nlabel => 'sessions.linger.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_closed', nlabel => 'sessions.closed.count', display_ok => 0, diff => 1 },
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{ entry => 'sess_pipeline', nlabel => 'sessions.pipeline.count', display_ok => 0, diff => 1 },
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{ entry => 'threads', nlabel => 'threads.total.count', display_ok => 0 },
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{ entry => 'threads_created', nlabel => 'threads.created.count', display_ok => 0, diff => 1 },
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{ entry => 'threads_limited', nlabel => 'threads.limited.count', display_ok => 0, diff => 1 },
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{ entry => 'threads_destroyed', nlabel => 'threads.destroyed.count', display_ok => 0, diff => 1 },
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{ entry => 'threads_failed', nlabel => 'threads.failed.count', display_ok => 0, diff => 1 },
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{ entry => 'thread_queue_len', nlabel => 'threads.queue.length.count', display_ok => 0 },
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{ entry => 's_sess', nlabel => 'total.sessions.seen.count', display_ok => 0, diff => 1 },
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{ entry => 's_req', nlabel => 'total.requests.count', display_ok => 0, diff => 1 },
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{ entry => 's_fetch', nlabel => 'total.backends.fetch.count', display_ok => 0, diff => 1 },
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{ entry => 'n_wrk', nlabel => 'workers.threads.count', display_ok => 0 },
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{ entry => 'n_wrk_create', nlabel => 'workers.threads.created.count', display_ok => 0, diff => 1 },
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{ entry => 'n_wrk_failed', nlabel => 'workers.threads.failed.count', display_ok => 0, diff => 1 },
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{ entry => 'n_wrk_max', nlabel => 'workers.threads.limited.count', display_ok => 0, diff => 1 },
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{ entry => 'n_wrk_lqueue', nlabel => 'workers.requests.queue.length.count', display_ok => 0, diff => 1 },
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{ entry => 'n_wrk_queued', nlabel => 'workers.requests.queued.count', display_ok => 0, diff => 1 },
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{ entry => 'n_wrk_drop', nlabel => 'workers.requests.dropped.count', display_ok => 0, diff => 1 },
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];
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}
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sub custom_output_scale_bytes {
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my ($self, %options) = @_;
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my $label = $self->{label};
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$label =~ s/-/_/g;
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my ($value, $unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{$label . '_absolute'});
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my $msg = sprintf('%s: %.2f %s', $self->{result_values}->{$label . '_description_absolute'}, $value, $unit);
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return $msg;
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}
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sub custom_output_second {
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my ($self, %options) = @_;
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my $label = $self->{label};
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$label =~ s/-/_/g;
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my $msg = sprintf('%s: %.2f/s', $self->{result_values}->{$label . '_description_absolute'}, $self->{result_values}->{$label . '_per_second'});
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return $msg;
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}
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sub custom_output {
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my ($self, %options) = @_;
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my $label = $self->{label};
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$label =~ s/-/_/g;
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my $msg = sprintf('%s: %s', $self->{result_values}->{$label . '_description_absolute'}, $self->{result_values}->{$label . '_absolute'});
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return $msg;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->configure_varnish_stats();
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$self->{maps_counters_type} = [
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{ name => 'global', type => 0, skipped_code => { -10 => 1 } },
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];
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$self->{maps_counters}->{global} = [];
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foreach (@{$self->{varnish_stats}}) {
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my $label = $_->{entry};
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$label =~ s/_/-/g;
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push @{$self->{maps_counters}->{global}},
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{ label => $label, nlabel => $_->{nlabel}, display_ok => $_->{display_ok}, set => {
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key_values => [ { name => $_->{entry}, diff => $_->{diff} }, { name => $_->{entry}. '_description' } ],
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closure_custom_output => defined($_->{custom_output}) ? $_->{custom_output} :
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(defined($_->{per_second}) ? $self->can('custom_output_second') : $self->can('custom_output')),
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per_second => $_->{per_second},
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perfdatas => [
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{ label => $_->{entry}, value => $_->{entry} . (defined($_->{per_second}) ? '_per_second' : '_absolute'),
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template => defined($_->{per_second}) ? '%.2f' : '%s',
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min => 0 },
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],
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}
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}
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;
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}
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
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bless $self, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments => {
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'hostname:s' => { name => 'hostname' },
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'remote' => { name => 'remote' },
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'ssh-option:s@' => { name => 'ssh_option' },
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'ssh-path:s' => { name => 'ssh_path' },
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'ssh-command:s' => { name => 'ssh_command', default => 'ssh' },
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'timeout:s' => { name => 'timeout', default => 30 },
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'sudo' => { name => 'sudo' },
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'command:s' => { name => 'command', default => 'varnishstat' },
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'command-path:s' => { name => 'command_path', default => '/usr/bin' },
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'command-options:s' => { name => 'command_options', default => ' -1 -j 2>&1' },
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});
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return $self;
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}
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sub check_varnish_old {
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my ($self, %options) = @_;
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return if (!defined($options{json}->{uptime}));
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# "cache_hit": {"value": 56320, "flag": "a", "description": "Cache hits"},
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# "cache_hitpass": {"value": 0, "flag": "a", "description": "Cache hits for pass"},
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foreach (@{$self->{varnish_stats}}) {
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next if (!defined($options{json}->{$_->{entry}}));
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$self->{global}->{$_->{entry}} = $options{json}->{$_->{entry}}->{value};
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$self->{global}->{$_->{entry} . '_description'} = $options{json}->{$_->{entry}}->{description};
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}
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}
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sub check_varnish_new {
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my ($self, %options) = @_;
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return if (!defined($options{json}->{'MAIN.uptime'}));
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# "MAIN.cache_hit": {"type": "MAIN", "value": 18437, "flag": "a", "description": "Cache hits"},
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# "MAIN.cache_hitpass": {"type": "MAIN", "value": 3488, "flag": "a", "description": "Cache hits for pass"},
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# "MAIN.cache_miss": {"type": "MAIN", "value": 5782, "flag": "a", "description": "Cache misses"},
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foreach (@{$self->{varnish_stats}}) {
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next if (!defined($options{json}->{'MAIN.' . $_->{entry}}));
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$self->{global}->{$_->{entry}} = $options{json}->{'MAIN.' . $_->{entry}}->{value};
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$self->{global}->{$_->{entry} . '_description'} = $options{json}->{'MAIN.' . $_->{entry}}->{description};
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}
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}
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sub manage_selection {
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my ($self, %options) = @_;
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my ($stdout) = centreon::plugins::misc::execute(
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output => $self->{output},
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options => $self->{option_results},
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sudo => $self->{option_results}->{sudo},
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command => $self->{option_results}->{command},
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command_path => $self->{option_results}->{command_path},
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command_options => $self->{option_results}->{command_options}
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);
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$self->{global} = {};
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my $content;
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eval {
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$content = JSON::XS->new->utf8->decode($stdout);
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};
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if ($@) {
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$self->{output}->add_option_msg(short_msg => "Cannot decode json response: $@");
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$self->{output}->option_exit();
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}
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$self->check_varnish_old(json => $content);
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$self->check_varnish_new(json => $content);
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$self->{cache_name} = "cache_varnish_" . $self->{mode} . '_' .
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(defined($self->{option_results}->{hostname}) ? md5_hex($self->{option_results}->{hostname}) : md5_hex('all')) . '_' .
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(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
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};
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1;
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__END__
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=head1 MODE
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Check statistics with varnishstat command
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=over 8
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=item B<--remote>
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If you dont run this script locally, if you wanna use it remote, you can run it remotely with 'ssh'.
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=item B<--hostname>
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Hostname to query (need --remote).
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=item B<--ssh-option>
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Specify multiple options like the user (example: --ssh-option='-l=centreon-engine' --ssh-option='-p=52').
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=item B<--command>
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Varnishstat Binary Filename (Default: varnishstat)
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=item B<--command-path>
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Directory Path to Varnishstat Binary File (Default: /usr/bin)
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=item B<--command-options>
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Parameter for Binary File (Default: ' -1 -j 2>&1')
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=item B<--warning-[countername]> B<--critical-[countername]>
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Thresholds. Use option --list-counters to see available counters
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=back
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=cut
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