356 lines
11 KiB
Perl
356 lines
11 KiB
Perl
#
|
|
# 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 cloud::kubernetes::custom::kubectl;
|
|
|
|
use strict;
|
|
use warnings;
|
|
use JSON::XS;
|
|
|
|
sub new {
|
|
my ($class, %options) = @_;
|
|
my $self = {};
|
|
bless $self, $class;
|
|
|
|
if (!defined($options{output})) {
|
|
print "Class Custom: Need to specify 'output' argument.\n";
|
|
exit 3;
|
|
}
|
|
if (!defined($options{options})) {
|
|
$options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
|
|
$options{output}->option_exit();
|
|
}
|
|
|
|
if (!defined($options{noptions})) {
|
|
$options{options}->add_options(arguments => {
|
|
'hostname:s' => { name => 'hostname' },
|
|
'port:s' => { name => 'port' },
|
|
'proto:s' => { name => 'proto' },
|
|
'token:s' => { name => 'token' },
|
|
'timeout:s' => { name => 'timeout', default => 10 },
|
|
'config-file:s' => { name => 'config_file', default => '~/.kube/config' },
|
|
'context:s' => { name => 'context' },
|
|
'sudo' => { name => 'sudo' },
|
|
'command:s' => { name => 'command', default => 'kubectl' },
|
|
'command-path:s' => { name => 'command_path' },
|
|
'command-options:s' => { name => 'command_options', default => '' },
|
|
'proxyurl:s' => { name => 'proxyurl' },
|
|
});
|
|
}
|
|
$options{options}->add_help(package => __PACKAGE__, sections => 'CLI OPTIONS', once => 1);
|
|
|
|
$self->{output} = $options{output};
|
|
|
|
return $self;
|
|
}
|
|
|
|
sub set_options {
|
|
my ($self, %options) = @_;
|
|
|
|
$self->{option_results} = $options{option_results};
|
|
}
|
|
|
|
sub set_defaults {}
|
|
|
|
sub check_options {
|
|
my ($self, %options) = @_;
|
|
|
|
$self->{config_file} = (defined($self->{option_results}->{config_file})) ? $self->{option_results}->{config_file} : '';
|
|
$self->{context} = (defined($self->{option_results}->{context})) ? $self->{option_results}->{context} : '';
|
|
$self->{timeout} = (defined($self->{option_results}->{timeout})) && $self->{option_results}->{timeout} =~ /(\d+)/ ? $1 : 10;
|
|
|
|
if (!defined($self->{config_file}) || $self->{config_file} eq '') {
|
|
$self->{output}->add_option_msg(short_msg => "Need to specify --config-file option.");
|
|
$self->{output}->option_exit();
|
|
}
|
|
|
|
if ($self->{config_file} =~ /^~/) {
|
|
centreon::plugins::misc::mymodule_load(
|
|
output => $self->{output},
|
|
module => 'File::HomeDir',
|
|
error_msg => "Cannot load module 'File::HomeDir'."
|
|
);
|
|
my $home = File::HomeDir->my_home;
|
|
$self->{config_file} =~ s/\~/$home/;
|
|
}
|
|
|
|
if (defined($self->{option_results}->{proxyurl}) && $self->{option_results}->{proxyurl} ne '') {
|
|
$ENV{HTTP_PROXY} = $self->{option_results}->{proxyurl};
|
|
$ENV{HTTPS_PROXY} = $self->{option_results}->{proxyurl};
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
sub execute {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd_options = $options{cmd_options};
|
|
# See https://kubernetes.io/docs/reference/kubectl/cheatsheet/#kubectl-output-verbosity-and-debugging
|
|
$cmd_options .= " --v='9'" if ($self->{output}->is_debug());
|
|
|
|
$self->{output}->output_add(long_msg => "Command line: '" . $self->{option_results}->{command} . " " . $cmd_options . "'", debug => 1);
|
|
|
|
my ($response, $exit_code) = centreon::plugins::misc::execute(
|
|
output => $self->{output},
|
|
options => $self->{option_results},
|
|
sudo => $self->{option_results}->{sudo},
|
|
command => $self->{option_results}->{command},
|
|
command_path => $self->{option_results}->{command_path},
|
|
command_options => $cmd_options,
|
|
redirect_stderr => ($self->{output}->is_debug()) ? 0 : 1,
|
|
no_quit => 1
|
|
);
|
|
|
|
if ($exit_code != 0) {
|
|
$self->{output}->output_add(long_msg => "Error message: " . $response, debug => 1);
|
|
$self->{output}->add_option_msg(short_msg => "CLI return error code '" . $exit_code . "' (add --debug option for detailed message)");
|
|
$self->{output}->option_exit();
|
|
}
|
|
|
|
my $decoded;
|
|
eval {
|
|
$decoded = JSON::XS->new->utf8->decode($response);
|
|
};
|
|
if ($@) {
|
|
$self->{output}->output_add(long_msg => $response, debug => 1);
|
|
$self->{output}->add_option_msg(short_msg => "Cannot decode response (add --debug option to display returned content)");
|
|
$self->{output}->option_exit();
|
|
}
|
|
|
|
return $decoded->{items};
|
|
}
|
|
|
|
sub kubernetes_list_cronjobs {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get cronjobs --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_daemonsets {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get daemonsets --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_deployments {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get deployments --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_events {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get events --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_ingresses {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get ingresses --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_namespaces {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get namespaces --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_nodes {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get nodes --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_rcs {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get replicationcontroller --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_replicasets {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get replicasets --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_services {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get services --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_statefulsets {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get statefulsets --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_pods {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get pods --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
sub kubernetes_list_pvs {
|
|
my ($self, %options) = @_;
|
|
|
|
my $cmd = "get pv --all-namespaces --output='json' --kubeconfig='" . $self->{config_file} . "'"
|
|
. " --request-timeout='" . $self->{timeout} . "'";
|
|
$cmd .= " --context='" . $self->{context} . "'" if (defined($self->{context}) && $self->{context} ne '');
|
|
|
|
my $response = $self->execute(cmd_options => $cmd);
|
|
|
|
return $response;
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
=head1 NAME
|
|
|
|
Kubernetes CLI (kubectl)
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
Kubernetes CLI (kubectl) custom mode
|
|
|
|
=head1 CLI OPTIONS
|
|
|
|
Kubernetes CLI (kubectl)
|
|
|
|
=over 8
|
|
|
|
=item B<--config-file>
|
|
|
|
Kubernetes configuration file path (Default: '~/.kube/config').
|
|
(Example: --config-file='/root/.kube/config').
|
|
|
|
=item B<--context>
|
|
|
|
Context to use in configuration file.
|
|
|
|
=item B<--timeout>
|
|
|
|
Set timeout in seconds (Default: 10).
|
|
|
|
=item B<--sudo>
|
|
|
|
Use 'sudo' to execute the command.
|
|
|
|
=item B<--command>
|
|
|
|
Command to get information (Default: 'kubectl').
|
|
Can be changed if you have output in a file.
|
|
|
|
=item B<--command-path>
|
|
|
|
Command path (Default: none).
|
|
|
|
=item B<--command-options>
|
|
|
|
Command options (Default: none).
|
|
|
|
=item B<--proxyurl>
|
|
|
|
Proxy URL if any
|
|
|
|
=back
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
B<custom>.
|
|
|
|
=cut
|