add(plugin): redis sentinel (#3352)
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qgarnier
GitHub
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commit
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#
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# Copyright 2021 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::redis::sentinel::custom::cli;
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use strict;
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use warnings;
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use centreon::plugins::ssh;
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use centreon::plugins::misc;
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use Digest::MD5 qw(md5_hex);
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sub new {
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my ($class, %options) = @_;
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my $self = {};
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bless $self, $class;
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if (!defined($options{output})) {
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print "Class Custom: Need to specify 'output' argument.\n";
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exit 3;
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}
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if (!defined($options{options})) {
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$options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
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$options{output}->option_exit();
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}
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if (!defined($options{noptions})) {
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$options{options}->add_options(arguments => {
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'ssh-hostname:s' => { name => 'ssh_hostname' },
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'server:s' => { name => 'server' },
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'port:s' => { name => 'port' },
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'username:s' => { name => 'username' },
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'password:s' => { name => 'password' },
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'tls' => { name => 'tls' },
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'cacert:s' => { name => 'cacert' },
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'insecure' => { name => 'insecure' },
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'timeout:s' => { name => 'timeout' }
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});
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}
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$options{options}->add_help(package => __PACKAGE__, sections => 'REDIS SENTINEL OPTIONS', once => 1);
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$self->{output} = $options{output};
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$self->{ssh} = centreon::plugins::ssh->new(%options);
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return $self;
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}
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sub set_options {
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my ($self, %options) = @_;
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$self->{option_results} = $options{option_results};
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}
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sub set_defaults {}
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sub check_options {
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my ($self, %options) = @_;
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$self->{ssh_hostname} = defined($self->{option_results}->{ssh_hostname}) && $self->{option_results}->{ssh_hostname} ne '' ? $self->{option_results}->{ssh_hostname} : '';
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$self->{server} = defined($self->{option_results}->{server}) && $self->{option_results}->{server} ne '' ? $self->{option_results}->{server} : '';
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$self->{port} = defined($self->{option_results}->{port}) && $self->{option_results}->{port} ne '' ? $self->{option_results}->{port} : 26379;
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$self->{username} = defined($self->{option_results}->{password}) && $self->{option_results}->{username} ne '' ? $self->{option_results}->{username} : '';
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$self->{password} = defined($self->{option_results}->{password}) && $self->{option_results}->{password} ne '' ? $self->{option_results}->{password} : '';
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$self->{timeout} = defined($self->{option_results}->{timeout}) && $self->{option_results}->{timeout} =~ /(\d+)/ ? $1 : 10;
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$self->{tls} = defined($self->{option_results}->{tls}) ? 1 : 0;
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$self->{insecure} = defined($self->{option_results}->{insecure}) ? 1 : 0;
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$self->{cacert} = defined($self->{option_results}->{cacert}) && $self->{option_results}->{cacert} ne '' ? $self->{option_results}->{cacert} : '';
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if ($self->{server} eq '') {
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$self->{output}->add_option_msg(short_msg => 'Need to specify --server option.');
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$self->{output}->option_exit();
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}
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if ($self->{ssh_hostname} ne '') {
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$self->{option_results}->{hostname} = $self->{ssh_hostname};
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$self->{ssh}->check_options(option_results => $self->{option_results});
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}
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if ($self->{username} ne '' && $self->{option_results}->{password} eq '') {
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$self->{output}->add_option_msg(short_msg => 'Need to specify --password option.');
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$self->{output}->option_exit();
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}
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return 0;
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}
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sub get_connection_info {
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my ($self, %options) = @_;
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my $id = $self->{server} . ':' . $self->{port};
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return md5_hex($id);
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}
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sub execute_command {
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my ($self, %options) = @_;
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my $command_options = "-h '" . $self->{server} . "' -p " . $self->{port};
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$command_options .= $self->get_extra_options();
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$command_options .= ' --no-raw ' . $options{command};
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my $timeout = $self->{timeout};
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if (!defined($timeout)) {
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$timeout = defined($options{timeout}) ? $options{timeout} : 10;
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}
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my ($stdout, $exit_code);
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if ($self->{ssh_hostname} ne '') {
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($stdout, $exit_code) = $self->{ssh}->execute(
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hostname => $self->{ssh_hostname},
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sudo => $self->{option_results}->{sudo},
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command => 'redis-cli',
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command_options => $command_options,
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timeout => $timeout,
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no_quit => $options{no_quit}
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);
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} else {
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($stdout, $exit_code) = centreon::plugins::misc::execute(
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output => $self->{output},
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sudo => $self->{option_results}->{sudo},
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options => { timeout => $timeout },
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command => 'redis-cli',
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command_options => $command_options,
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no_quit => $options{no_quit}
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);
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}
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$self->{output}->output_add(long_msg => "command response: $stdout", debug => 1);
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if ($stdout =~ /^NOPERM/m) {
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$self->{output}->add_option_msg(short_msg => 'Permissions issue');
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$self->{output}->option_exit();
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}
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return ($stdout, $exit_code);
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}
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sub get_extra_options {
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my ($self, %options) = @_;
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my $options = '';
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$options .= ' --tls' if ($self->{tls} == 1);
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$options .= " --cacert '" . $self->{cacert} . "'" if ($self->{cacert} ne '');
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$options .= ' --insecure' if ($self->{insecure} == 1);
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$options .= " --user '" . $self->{username} . "'" if ($self->{username} ne '');
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$options .= " -a '" . $self->{password} . "'" if ($self->{password} ne '');
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return $options;
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}
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sub ckquorum {
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my ($self, %options) = @_;
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my ($stdout) = $self->execute_command(command => $options{command});
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return $stdout;
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}
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sub command {
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my ($self, %options) = @_;
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my ($stdout) = $self->execute_command(command => $options{command});
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my $results = [];
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while ($stdout =~ /^\d+\)(.*?)(?=\n\d+\)|\Z$)/msg) {
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my @lines = split(/\n/, $1);
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my $entry = {};
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while (scalar(@lines) > 0) {
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my $label = shift(@lines);
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my $value = shift(@lines);
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if (defined($label) && defined($value) && $label =~ /\d+\) "(.*)"/) {
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$label = $1;
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$entry->{$label} = $1 if ($value =~ /\d+\) "(.*)"/);
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}
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}
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push @$results, $entry;
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}
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return $results;
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}
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1;
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__END__
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=head1 NAME
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redis-cli.
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=head1 SYNOPSIS
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redis-cli.
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=head1 REDIS SENTINEL OPTIONS
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=over 8
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=item B<--server>
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Sentinel server.
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=item B<--port>
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Sentinel port (Default: 26379).
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=item B<--tls>
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Establish a secure TLS connection (redis-cli >= 6.x mandatory).
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=item B<--cacert>
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CA Certificate file to verify with (redis-cli >= 6.x mandatory).
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=item B<--insecure>
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Allow insecure TLS connection by skipping cert validation (Since redis-cli 6.2.0).
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=item B<--username>
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Sentinel username (redis-cli >= 6.x mandatory).
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=item B<--password>
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Sentinel password.
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=item B<--ssh-hostname>
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Remote ssh redis-cli execution.
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=item B<--timeout>
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Timeout in seconds for the command (Default: 10).
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=back
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=head1 DESCRIPTION
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B<custom>.
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=cut
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@ -0,0 +1,96 @@
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#
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# Copyright 2021 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::redis::sentinel::mode::listclusters;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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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);
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bless $self, $class;
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$options{options}->add_options(arguments => {});
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return $self;
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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}
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sub manage_selection {
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my ($self, %options) = @_;
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return $options{custom}->command(command => 'sentinel masters');
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}
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sub run {
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my ($self, %options) = @_;
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my $results = $self->manage_selection(%options);
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foreach my $entry (@$results) {
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$self->{output}->output_add(
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long_msg => '[name: ' . $entry->{name} . ']'
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);
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}
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$self->{output}->output_add(
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severity => 'OK',
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short_msg => 'List clusters:'
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);
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$self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
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$self->{output}->exit();
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}
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sub disco_format {
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my ($self, %options) = @_;
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$self->{output}->add_disco_format(elements => ['name']);
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}
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sub disco_show {
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my ($self, %options) = @_;
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my $results = $self->manage_selection(%options);
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foreach my $entry (@$results) {
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$self->{output}->add_disco_entry(
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name => $entry->{name}
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);
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}
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}
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1;
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__END__
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=head1 MODE
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List clusters.
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=over 8
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=back
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=cut
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@ -0,0 +1,263 @@
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#
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# Copyright 2021 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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# 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
|
||||
# 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::redis::sentinel::mode::redisclusters;
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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 centreon::plugins::templates::catalog_functions qw(catalog_status_threshold_ng);
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sub custom_status_output {
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my ($self, %options) = @_;
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return sprintf(
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"status: %s [role: %s]",
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$self->{result_values}->{status},
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$self->{result_values}->{role}
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);
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}
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sub prefix_cluster_output {
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my ($self, %options) = @_;
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return "cluster '" . $options{instance} . "' ";
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}
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sub cluster_long_output {
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my ($self, %options) = @_;
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return "checking cluster '" . $options{instance} . "'";
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}
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sub prefix_instance_output {
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my ($self, %options) = @_;
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return "instance '" . $options{instance} . "' ";
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}
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sub prefix_global_output {
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my ($self, %options) = @_;
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return 'number of ';
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'clusters', type => 3, cb_prefix_output => 'prefix_cluster_output', cb_long_output => 'cluster_long_output', indent_long_output => ' ', message_multiple => 'All clusters are ok',
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group => [
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{ name => 'global', type => 0, cb_prefix_output => 'prefix_global_output', skipped_code => { -10 => 1 } },
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{ name => 'stddev', type => 0, skipped_code => { -10 => 1 } },
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{ name => 'instances', type => 1, display_long => 1, cb_prefix_output => 'prefix_instance_output', message_multiple => 'All redis instances are ok', skipped_code => { -10 => 1 } }
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]
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}
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];
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$self->{maps_counters}->{global} = [
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{ label => 'slaves-detected', nlabel => 'cluster.redis.slaves.detected.count', set => {
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key_values => [ { name => 'num_slaves' } ],
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output_template => 'detected slaves: %s',
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perfdatas => [
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{ template => '%s', min => 0, label_extra_instance => 1 }
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]
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}
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},
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{ label => 'redis-sdown', nlabel => 'cluster.redis.subjectively_down.count', set => {
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key_values => [ { name => 'sdown' } ],
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output_template => 'subjectively down instances: %s',
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perfdatas => [
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{ template => '%s', min => 0, label_extra_instance => 1 }
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]
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}
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},
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{ label => 'redis-odown', nlabel => 'cluster.redis.objectively_down.count', set => {
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key_values => [ { name => 'odown' } ],
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output_template => 'objectively down instances: %s',
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perfdatas => [
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{ template => '%s', min => 0, label_extra_instance => 1 }
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]
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}
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}
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];
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$self->{maps_counters}->{stddev} = [
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{ label => 'slave-repl-offset-stddev', nlabel => 'cluster.redis.slave_replication_offset.stddev.count', set => {
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key_values => [ { name => 'stddev_repl_offset' } ],
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output_template => 'slave replication offset standard deviation: %.2f',
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perfdatas => [
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{ template => '%.2f' }
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]
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}
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}
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];
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$self->{maps_counters}->{instances} = [
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{
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label => 'status',
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type => 2,
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critical_default => '%{status} =~ /o_down|s_down|master_down|disconnected/i',
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set => {
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key_values => [
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{ name => 'status' }, { name => 'role' },
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{ name => 'address' }, { name => 'port' },
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{ name => 'cluster_name' }
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],
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closure_custom_output => $self->can('custom_status_output'),
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closure_custom_perfdata => sub { return 0; },
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closure_custom_threshold_check => \&catalog_status_threshold_ng
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}
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},
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{ label => 'redis-ping-ok-latency', nlabel => 'cluster.redis.ping_ok.latency.milliseconds', set => {
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key_values => [ { name => 'ping_ok_latency' } ],
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output_template => 'last ok ping: %s ms',
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||||
perfdatas => [
|
||||
{ template => '%d', min => 0, unit => 's', label_extra_instance => 1 }
|
||||
]
|
||||
}
|
||||
}
|
||||
];
|
||||
}
|
||||
|
||||
sub new {
|
||||
my ($class, %options) = @_;
|
||||
my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
|
||||
bless $self, $class;
|
||||
|
||||
$options{options}->add_options(arguments => {
|
||||
'filter-cluster-name:s' => { name => 'filter_cluster_name' }
|
||||
});
|
||||
|
||||
return $self;
|
||||
}
|
||||
|
||||
sub add_instance {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
my $key = $options{entry}->{ip} . ':' . $options{entry}->{port};
|
||||
$self->{clusters}->{ $options{cluster_name} }->{instances}->{$key} = {
|
||||
cluster_name => $options{cluster_name},
|
||||
address => $options{entry}->{ip},
|
||||
port => $options{entry}->{port},
|
||||
role => $options{entry}->{'role-reported'},
|
||||
status => $options{entry}->{flags},
|
||||
ping_ok_latency => $options{entry}->{'last-ok-ping-reply'},
|
||||
slave_repl_offset => $options{entry}->{'slave-repl-offset'}
|
||||
};
|
||||
$self->{clusters}->{ $options{cluster_name} }->{global}->{sdown}++
|
||||
if ($options{entry}->{flags} =~ /s_down/);
|
||||
$self->{clusters}->{ $options{cluster_name} }->{global}->{odown}++
|
||||
if ($options{entry}->{flags} =~ /o_down/);
|
||||
}
|
||||
|
||||
sub stddev {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
my $total = 0;
|
||||
my $num = 0;
|
||||
foreach my $entry (values %{$self->{clusters}->{ $options{cluster_name} }->{instances}}) {
|
||||
next if (!defined($entry->{slave_repl_offset}));
|
||||
$total += $entry->{slave_repl_offset};
|
||||
$num++;
|
||||
}
|
||||
|
||||
return if ($num <= 1);
|
||||
|
||||
my $mean = $total / $num;
|
||||
$total = 0;
|
||||
foreach my $entry (values %{$self->{clusters}->{ $options{cluster_name} }->{instances}}) {
|
||||
next if (!defined($entry->{slave_repl_offset}));
|
||||
$total += ($mean - $entry->{slave_repl_offset}) ** 2;
|
||||
}
|
||||
$self->{clusters}->{ $options{cluster_name} }->{stddev} = { stddev_repl_offset => sqrt($total / $num) };
|
||||
}
|
||||
|
||||
sub manage_selection {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
my $results = $options{custom}->command(command => 'sentinel masters');
|
||||
|
||||
$self->{clusters} = {};
|
||||
foreach my $entry (@$results) {
|
||||
next if (defined($self->{option_results}->{filter_cluster_name}) && $self->{option_results}->{filter_cluster_name} ne ''
|
||||
&& $entry->{name} !~ /$self->{option_results}->{filter_cluster_name}/);
|
||||
|
||||
$self->{clusters}->{ $entry->{name} } = {
|
||||
global => { num_slaves => $entry->{'num-slaves'}, odown => 0, sdown => 0 },
|
||||
instances => {}
|
||||
};
|
||||
$self->add_instance(cluster_name => $entry->{name}, entry => $entry);
|
||||
|
||||
my $replicas = $options{custom}->command(command => 'sentinel replicas ' . $entry->{name});
|
||||
foreach (@$replicas) {
|
||||
$self->add_instance(cluster_name => $entry->{name}, entry => $_);
|
||||
}
|
||||
|
||||
$self->stddev(cluster_name => $entry->{name});
|
||||
}
|
||||
|
||||
if (scalar(keys %{$self->{clusters}}) <= 0) {
|
||||
$self->{output}->add_option_msg(short_msg => "No redis cluster found.");
|
||||
$self->{output}->option_exit();
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
1;
|
||||
|
||||
__END__
|
||||
|
||||
=head1 MODE
|
||||
|
||||
Check redis clusters informations.
|
||||
|
||||
=over 8
|
||||
|
||||
=item B<--filter-cluster-name>
|
||||
|
||||
Filter clusters by name (Can be a regexp).
|
||||
|
||||
=item B<--unknown-status>
|
||||
|
||||
Set unknown threshold for status.
|
||||
Can used special variables like: %{status}, %{role}, %{address}, %{port}, %{cluster_name}
|
||||
|
||||
=item B<--warning-status>
|
||||
|
||||
Set warning threshold for status.
|
||||
Can used special variables like: %{status}, %{role}, %{address}, %{port}, %{cluster_name}
|
||||
|
||||
=item B<--critical-status>
|
||||
|
||||
Set critical threshold for status (Default: '%{status} =~ /o_down|s_down|master_down|disconnected/i').
|
||||
Can used special variables like: %{status}, %{role}, %{address}, %{port}, %{cluster_name}
|
||||
|
||||
=item B<--warning-*> B<--critical-*>
|
||||
|
||||
Thresholds.
|
||||
Can be: 'redis-ping-ok-latency', 'redis-sdown', 'redis-odown',
|
||||
'slave-repl-offset-stddev', 'slaves-detected'.
|
||||
|
||||
=back
|
||||
|
||||
=cut
|
||||
|
|
@ -0,0 +1,256 @@
|
|||
#
|
||||
# Copyright 2021 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 apps::redis::sentinel::mode::sentinelclusters;
|
||||
|
||||
use base qw(centreon::plugins::templates::counter);
|
||||
|
||||
use strict;
|
||||
use warnings;
|
||||
use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold_ng);
|
||||
|
||||
sub custom_status_output {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
return sprintf(
|
||||
"status: %s",
|
||||
$self->{result_values}->{status}
|
||||
);
|
||||
}
|
||||
|
||||
sub prefix_cluster_output {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
return "cluster '" . $options{instance} . "' ";
|
||||
}
|
||||
|
||||
sub cluster_long_output {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
return "checking cluster '" . $options{instance} . "'";
|
||||
}
|
||||
|
||||
sub prefix_instance_output {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
return "instance '" . $options{instance} . "' ";
|
||||
}
|
||||
|
||||
sub prefix_global_output {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
return 'number of sentinels ';
|
||||
}
|
||||
|
||||
sub set_counters {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
$self->{maps_counters_type} = [
|
||||
{ name => 'clusters', type => 3, cb_prefix_output => 'prefix_cluster_output', cb_long_output => 'cluster_long_output', indent_long_output => ' ', message_multiple => 'All clusters are ok',
|
||||
group => [
|
||||
{ name => 'global', type => 0, cb_prefix_output => 'prefix_global_output', skipped_code => { -10 => 1 } },
|
||||
{ name => 'quorum', type => 0, skipped_code => { -10 => 1 } },
|
||||
{ name => 'instances', type => 1, display_long => 1, cb_prefix_output => 'prefix_instance_output', message_multiple => 'All sentinel instances are ok', skipped_code => { -10 => 1 } }
|
||||
]
|
||||
}
|
||||
];
|
||||
|
||||
$self->{maps_counters}->{global} = [
|
||||
{ label => 'sentinels-detected', nlabel => 'cluster.sentinels.detected.count', set => {
|
||||
key_values => [ { name => 'num_sentinels' } ],
|
||||
output_template => 'detected: %s',
|
||||
perfdatas => [
|
||||
{ template => '%s', min => 0, label_extra_instance => 1 }
|
||||
]
|
||||
}
|
||||
},
|
||||
{ label => 'sentinels-sdown', nlabel => 'cluster.sentinels.subjectively_down.count', set => {
|
||||
key_values => [ { name => 'sdown' } ],
|
||||
output_template => 'subjectively down: %s',
|
||||
perfdatas => [
|
||||
{ template => '%s', min => 0, label_extra_instance => 1 }
|
||||
]
|
||||
}
|
||||
},
|
||||
{ label => 'sentinels-odown', nlabel => 'cluster.sentinels.objectively_down.count', set => {
|
||||
key_values => [ { name => 'odown' } ],
|
||||
output_template => 'objectively down: %s',
|
||||
perfdatas => [
|
||||
{ template => '%s', min => 0, label_extra_instance => 1 }
|
||||
]
|
||||
}
|
||||
}
|
||||
];
|
||||
|
||||
$self->{maps_counters}->{quorum} = [
|
||||
{
|
||||
label => 'quorum-status',
|
||||
type => 2,
|
||||
critical_default => '%{status} =~ /noQuorum/',
|
||||
set => {
|
||||
key_values => [ { name => 'status' }, { name => 'cluster_name' } ],
|
||||
output_template => 'quorum status: %s',
|
||||
closure_custom_perfdata => sub { return 0; },
|
||||
closure_custom_threshold_check => \&catalog_status_threshold_ng
|
||||
}
|
||||
}
|
||||
];
|
||||
|
||||
$self->{maps_counters}->{instances} = [
|
||||
{
|
||||
label => 'status',
|
||||
type => 2,
|
||||
critical_default => '%{status} =~ /o_down|s_down|master_down|disconnected/i',
|
||||
set => {
|
||||
key_values => [
|
||||
{ name => 'status' }, { name => 'address' }, { name => 'port' }, { name => 'cluster_name' }
|
||||
],
|
||||
closure_custom_output => $self->can('custom_status_output'),
|
||||
closure_custom_perfdata => sub { return 0; },
|
||||
closure_custom_threshold_check => \&catalog_status_threshold_ng
|
||||
}
|
||||
},
|
||||
{ label => 'sentinel-ping-ok-latency', nlabel => 'cluster.sentinel.ping_ok.latency.milliseconds', set => {
|
||||
key_values => [ { name => 'ping_ok_latency' } ],
|
||||
output_template => 'last ok ping: %s ms',
|
||||
perfdatas => [
|
||||
{ template => '%d', min => 0, unit => 's', label_extra_instance => 1 }
|
||||
]
|
||||
}
|
||||
}
|
||||
];
|
||||
}
|
||||
|
||||
sub new {
|
||||
my ($class, %options) = @_;
|
||||
my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
|
||||
bless $self, $class;
|
||||
|
||||
$options{options}->add_options(arguments => {
|
||||
'filter-cluster-name:s' => { name => 'filter_cluster_name' }
|
||||
});
|
||||
|
||||
return $self;
|
||||
}
|
||||
|
||||
sub add_instance {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
my $key = $options{entry}->{ip} . ':' . $options{entry}->{port};
|
||||
$self->{clusters}->{ $options{cluster_name} }->{instances}->{$key} = {
|
||||
cluster_name => $options{cluster_name},
|
||||
address => $options{entry}->{ip},
|
||||
port => $options{entry}->{port},
|
||||
status => $options{entry}->{flags},
|
||||
ping_ok_latency => $options{entry}->{'last-ok-ping-reply'}
|
||||
};
|
||||
$self->{clusters}->{ $options{cluster_name} }->{global}->{sdown}++
|
||||
if ($options{entry}->{flags} =~ /s_down/);
|
||||
$self->{clusters}->{ $options{cluster_name} }->{global}->{odown}++
|
||||
if ($options{entry}->{flags} =~ /o_down/);
|
||||
}
|
||||
|
||||
sub manage_selection {
|
||||
my ($self, %options) = @_;
|
||||
|
||||
my $results = $options{custom}->command(command => 'sentinel masters');
|
||||
|
||||
$self->{clusters} = {};
|
||||
foreach my $entry (@$results) {
|
||||
next if (defined($self->{option_results}->{filter_cluster_name}) && $self->{option_results}->{filter_cluster_name} ne ''
|
||||
&& $entry->{name} !~ /$self->{option_results}->{filter_cluster_name}/);
|
||||
|
||||
$self->{clusters}->{ $entry->{name} } = {
|
||||
global => { num_sentinels => $entry->{'num-other-sentinels'}, odown => 0, sdown => 0 },
|
||||
quorum => { status => 'unknown', cluster_name => $entry->{name} },
|
||||
instances => {}
|
||||
};
|
||||
|
||||
my $quorum = $options{custom}->ckquorum(command => 'sentinel ckquorum ' . $entry->{name});
|
||||
if ($quorum =~ /OK \d+ usable Sentinels/m) {
|
||||
$self->{clusters}->{ $entry->{name} }->{quorum}->{status} = 'ok';
|
||||
} elsif ($quorum =~ /NOQUORUM \d+ usable Sentinels/m) {
|
||||
$self->{clusters}->{ $entry->{name} }->{quorum}->{status} = 'noQuorum';
|
||||
}
|
||||
|
||||
my $sentinels = $options{custom}->command(command => 'sentinel sentinels ' . $entry->{name});
|
||||
foreach (@$sentinels) {
|
||||
$self->add_instance(cluster_name => $entry->{name}, entry => $_);
|
||||
}
|
||||
}
|
||||
|
||||
if (scalar(keys %{$self->{clusters}}) <= 0) {
|
||||
$self->{output}->add_option_msg(short_msg => "No sentinel cluster found.");
|
||||
$self->{output}->option_exit();
|
||||
}
|
||||
}
|
||||
|
||||
1;
|
||||
|
||||
__END__
|
||||
|
||||
=head1 MODE
|
||||
|
||||
Check sentinel clusters informations.
|
||||
|
||||
=over 8
|
||||
|
||||
=item B<--filter-cluster-name>
|
||||
|
||||
Filter clusters by name (Can be a regexp).
|
||||
|
||||
=item B<--unknown-status>
|
||||
|
||||
Set unknown threshold for status.
|
||||
Can used special variables like: %{status}, %{address}, %{port}, %{cluster_name}
|
||||
|
||||
=item B<--warning-status>
|
||||
|
||||
Set warning threshold for status.
|
||||
Can used special variables like: %{status}, %{address}, %{port}, %{cluster_name}
|
||||
|
||||
=item B<--critical-status>
|
||||
|
||||
Set critical threshold for status (Default: '%{status} =~ /o_down|s_down|master_down|disconnected/i').
|
||||
Can used special variables like: %{status}, %{address}, %{port}, %{cluster_name}
|
||||
|
||||
=item B<--unknown-status>
|
||||
|
||||
Set unknown threshold for status.
|
||||
Can used special variables like: %{status}, %{address}, %{port}, %{cluster_name}
|
||||
|
||||
=item B<--warning-quorum-status>
|
||||
|
||||
Set warning threshold for quorum status.
|
||||
Can used special variables like: %{status}, %{address}, %{port}, %{cluster_name}
|
||||
|
||||
=item B<--critical-quorum-status>
|
||||
|
||||
Set critical threshold for quorum status (Default: '%{status} =~ /noQuorum/').
|
||||
Can used special variables like: %{status}, %{cluster_name}
|
||||
|
||||
=item B<--warning-*> B<--critical-*>
|
||||
|
||||
Thresholds.
|
||||
Can be: 'sentinel-ping-ok-latency', 'sentinels-sdown', 'sentinels-odown', 'sentinels-detected'.
|
||||
|
||||
=back
|
||||
|
||||
=cut
|
||||
|
|
@ -0,0 +1,50 @@
|
|||
#
|
||||
# Copyright 2021 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 apps::redis::sentinel::plugin;
|
||||
|
||||
use strict;
|
||||
use warnings;
|
||||
use base qw(centreon::plugins::script_custom);
|
||||
|
||||
sub new {
|
||||
my ($class, %options) = @_;
|
||||
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
|
||||
bless $self, $class;
|
||||
|
||||
$self->{modes} = {
|
||||
'redis-clusters' => 'apps::redis::sentinel::mode::redisclusters',
|
||||
'list-clusters' => 'apps::redis::sentinel::mode::listclusters',
|
||||
'sentinel-clusters' => 'apps::redis::sentinel::mode::sentinelclusters'
|
||||
};
|
||||
|
||||
$self->{custom_modes}->{cli} = 'apps::redis::sentinel::custom::cli';
|
||||
return $self;
|
||||
}
|
||||
|
||||
1;
|
||||
|
||||
__END__
|
||||
|
||||
=head1 PLUGIN DESCRIPTION
|
||||
|
||||
Check Redis sentinel.
|
||||
|
||||
=cut
|
||||
|
|
@ -52,3 +52,5 @@ __END__
|
|||
=head1 PLUGIN DESCRIPTION
|
||||
|
||||
Check Redis database.
|
||||
|
||||
=cut
|
||||
|
|
|
|||
Loading…
Reference in New Issue