311 lines
9.7 KiB
Perl
311 lines
9.7 KiB
Perl
#
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# Copyright 2022 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 database::redis::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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$options{options}->add_options(arguments => {
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'ssh-hostname:s' => { name => 'ssh_hostname' },
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'server:s' => { name => 'server' },
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'port:s' => { name => 'port' },
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'username:s' => { name => 'username' },
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'password:s' => { name => 'password' },
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'sentinel:s@' => { name => 'sentinel' },
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'sentinel-port:s' => { name => 'sentinel_port' },
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'service:s' => { name => 'service' },
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'tls' => { name => 'tls' },
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'cacert:s' => { name => 'cacert' },
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'insecure' => { name => 'insecure' },
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'timeout:s' => { name => 'timeout' }
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});
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}
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$options{options}->add_help(package => __PACKAGE__, sections => 'REDIS 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 '' ? $self->{option_results}->{port} : 6379;
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$self->{sentinel_port} = defined($self->{option_results}->{sentinel_port}) && $self->{option_results}->{sentinel_port} =~ /(\d+)/ ? $1 : 26379;
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$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 '' ? $self->{option_results}->{cacert} : '';
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$self->{sentinel} = [];
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if (defined($self->{option_results}->{sentinel})) {
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foreach my $addr (@{$self->{option_results}->{sentinel}}) {
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next if ($addr eq '');
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push @{$self->{sentinel}}, $addr . ($self->{sentinel_port} ne '' ? ':' . $self->{sentinel_port} : '')
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}
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}
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$self->{service} = defined($self->{option_results}->{service}) && $self->{option_results}->{service} ne '' ? $self->{option_results}->{service} : '';
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if ($self->{server} eq '' && scalar(@{$self->{sentinel}}) <= 0) {
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$self->{output}->add_option_msg(short_msg => 'Need to specify --server or --sentinel option.');
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$self->{output}->option_exit();
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}
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if (scalar(@{$self->{sentinel}}) > 0 && $self->{service} eq '') {
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$self->{output}->add_option_msg(short_msg => 'Need to specify --service 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 $id = '';
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if ($self->{server} ne '') {
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$id = $self->{server} . ':' . $self->{port};
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} else {
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foreach (@{$self->{sentinel}}) {
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$id .= $_ . '-';
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}
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}
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return md5_hex($id);
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}
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sub execute_command {
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my ($self, %options) = @_;
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my $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 => $options{command},
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command_path => $options{command_path},
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command_options => $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 => $options{command},
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command_path => $options{command_path},
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command_options => $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: $stdout", debug => 1);
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return ($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 $options;
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}
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sub sentinels_get_master {
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my ($self, %options) = @_;
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my ($host, $port);
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foreach my $addr (@{$self->{sentinel}}) {
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my ($sentinel_host, $sentinel_port) = split(/:/, $addr);
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my $command_options = "-h '" . $sentinel_host . "' -p " . (defined($sentinel_port) ? $sentinel_port : 26379);
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$command_options .= ' --no-raw';
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$command_options .= ' sentinel get-master-addr-by-name ' . $self->{service};
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my ($stdout, $exit_code) = $self->execute_command(
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command => 'redis-cli',
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command_options => $command_options,
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no_quit => 1
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);
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next if ($exit_code != 0);
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$host = $1 if ($stdout =~ /1\) "(.*?)"/m);
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$port = $1 if ($stdout =~ /2\) "(\d+)"/m);
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last if (defined($port));
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}
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if (!defined($port)) {
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$self->{output}->add_option_msg(short_msg => 'Cannot find redis master (sentinels)');
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$self->{output}->option_exit();
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}
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return ($host, $port);
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}
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sub get_info {
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my ($self, %options) = @_;
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my $command_options;
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if (scalar(@{$self->{sentinel}}) > 0) {
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my ($host, $port) = $self->sentinels_get_master();
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$command_options = "-h '" . $host . "' -p " . $port;
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} else {
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$command_options = "-h '" . $self->{server} . "' -p " . $self->{port};
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}
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$command_options .= $self->get_extra_options();
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$command_options .= ' info';
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my ($stdout) = $self->execute_command(
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command => 'redis-cli',
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command_options => $command_options
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);
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if ($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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my $items = {};
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foreach my $line (split /\n/, $stdout) {
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if ($line =~ /^(.*?):(.*)$/) {
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$items->{$1} = $2;
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}
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}
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return $items;
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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 OPTIONS
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=over 8
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=item B<--server>
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Redis server.
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=item B<--port>
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Redis port (Default: 6379).
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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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Redis username (redis-cli >= 6.x mandatory).
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=item B<--password>
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Redis password.
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=item B<--sentinel>
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Sentinel server. Alternative of server option. service option is required.
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=item B<--sentinel-port>
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Sentinel port (Default: 26379).
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=item B<--service>
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Service parameter.
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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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