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check_tutum
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check_tutum
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#!/usr/bin/perl -w
# nagios: -epn
# Tutum service status monitor
#
# UNMAINTAINED
#
# Authors: Hubert Chathi <hubert@muchlearning.org>
#
# License: GPL v2 or later
use strict;
use warnings;
use Locale::gettext;
use Nagios::Plugin;
use LWP::UserAgent;
use JSON;
my $VERSION = '0.1';
my $np = Nagios::Plugin->new(
version => $VERSION,
blurb => _gt('Tutum service status monitor for Nagios'),
usage => "Usage: %s <options>",
extra => &showExtra()
);
$np->add_arg(
spec => 'user|u=s',
help => _gt('Tutum username'),
required => 1
);
$np->add_arg(
spec => 'apikey|k=s',
help => _gt('Tutum API key'),
required => 1
);
$np->add_arg(
spec => 'type=s',
help => _gt('object type (cluster, node, service, or container)'),
required => 1
);
$np->add_arg(
spec => 'id|i=s',
help => _gt('object ID to check'),
required => 1
);
$np->getopts();
SWITCH: for ($np->opts->get('type')) {
/^container$/i && do {
my $ua = LWP::UserAgent->new();
my $response = $ua->get("https://dashboard.tutum.co/api/v1/container/${\($np->opts->get('id'))}/",
"Accept" => "application/json",
"Authorization" => "ApiKey ${\($np->opts->get('user'))}:${\($np->opts->get('apikey'))}");
if ($response->is_success) {
my $result = decode_json $response->decoded_content;
if (!${$result}{"synchronized"})
{
$np->add_message(WARNING, "not synchronized with service definition");
}
for (${$result}{"state"}) {
/^running$/i && do {
last;
};
/^starting$/i && do {
$np->add_message(WARNING, $_);
last;
};
$np->add_message(CRITICAL, $_);
}
# FIXME: add thresholds
# FIXME: add uptime
$np->add_perfdata(label => 'cpu', value => ${${$result}{"last_metric"}}{"cpu"}, uom => "%");
$np->add_perfdata(label => 'memory', value => ${${$result}{"last_metric"}}{"memory"}, uom => "B");
$np->add_perfdata(label => 'disk', value => ${${$result}{"last_metric"}}{"disk"}, uom => "B");
}
else {
$np->add_message(CRITICAL, "Tutum API error: " . $response->status_line);
}
last SWITCH;
};
/^service$/i && do {
my $ua = LWP::UserAgent->new();
my $response = $ua->get("https://dashboard.tutum.co/api/v1/service/${\($np->opts->get('id'))}/",
"Accept" => "application/json",
"Authorization" => "ApiKey ${\($np->opts->get('user'))}:${\($np->opts->get('apikey'))}");
if ($response->is_success) {
my $result = decode_json $response->decoded_content;
if (!${$result}{"synchronized"})
{
$np->add_message(WARNING, "some containers not synchronized with service definition");
}
for (${$result}{"state"}) {
/^(running|scaling)$/i && do {
$np->add_message(OK, $_);
last;
};
/^(starting|partly running|redeploying)$/i && do {
$np->add_message(WARNING, $_);
last;
};
$np->add_message(CRITICAL, $_);
}
my $running = ${$result}{"running_num_containers"};
my $current = ${$result}{"current_num_containers"};
if (${$result}{"deployment_strategy"} eq "EVERY_NODE")
{ # if deployment strategy is every node, then we don't have a target number of containers
$np->add_message(OK, "$running/$current running/deployed");
}
else
{
my $target = ${$result}{"target_num_containers"};
$np->add_message(OK, "$running/$current/$target running/deployed/target");
}
# FIXME: add thresholds
# FIXME: add uptime
$np->add_perfdata(label => 'containers', value => $current);
$np->add_perfdata(label => 'running containers', value => $running);
}
else {
$np->add_message(CRITICAL, "Tutum API error: " . $response->status_line);
}
last SWITCH;
};
/^node$/i && do {
my $ua = LWP::UserAgent->new();
my $response = $ua->get("https://dashboard.tutum.co/api/v1/node/${\($np->opts->get('id'))}/",
"Accept" => "application/json",
"Authorization" => "ApiKey ${\($np->opts->get('user'))}:${\($np->opts->get('apikey'))}");
if ($response->is_success) {
my $result = decode_json $response->decoded_content;
for (${$result}{"state"}) {
/^(deployed|upgrading)$/i && do {
last;
};
/^(deploying)$/i && do {
$np->add_message(WARNING, $_);
last;
};
$np->add_message(CRITICAL, $_);
}
# FIXME: add thresholds
$np->add_perfdata(label => 'containers', value => ${$result}{"current_num_containers"});
$np->add_perfdata(label => 'cpu', value => ${${$result}{"last_metric"}}{"cpu"}, uom => "%");
$np->add_perfdata(label => 'memory', value => ${${$result}{"last_metric"}}{"memory"}, uom => "B", max => ${$result}{"memory"}*1048576);
$np->add_perfdata(label => 'disk', value => ${${$result}{"last_metric"}}{"disk"}, uom => "B", max => ${$result}{"disk"}*1000000000);
}
else {
$np->add_message(CRITICAL, "Tutum API error: " . $response->status_line);
}
last SWITCH;
};
/^(node)?cluster$/ && do {
my $ua = LWP::UserAgent->new();
my $response = $ua->get("https://dashboard.tutum.co/api/v1/nodecluster/${\($np->opts->get('id'))}/",
"Accept" => "application/json",
"Authorization" => "ApiKey ${\($np->opts->get('user'))}:${\($np->opts->get('apikey'))}");
if ($response->is_success) {
my $result = decode_json $response->decoded_content;
for (${$result}{"state"}) {
/^(deployed|scaling)$/i && do {
last;
};
/^(deploying|partly deployed)$/i && do {
$np->add_message(WARNING, $_);
last;
};
$np->add_message(CRITICAL, $_);
}
my $current = ${$result}{"current_num_nodes"};
my $target = ${$result}{"target_num_nodes"};
$np->add_message(OK, "$current/$target deployed/target");
# FIXME: add thresholds
$np->add_perfdata(label => 'nodes', value => $current);
}
else {
$np->add_message(CRITICAL, "Tutum API error: " . $response->status_line);
}
last SWITCH;
};
/^stack$/ && do {
my $ua = LWP::UserAgent->new();
my $response = $ua->get("https://dashboard.tutum.co/api/v1/stack/${\($np->opts->get('id'))}/",
"Accept" => "application/json",
"Authorization" => "ApiKey ${\($np->opts->get('user'))}:${\($np->opts->get('apikey'))}");
if ($response->is_success) {
my $result = decode_json $response->decoded_content;
if (!${$result}{"synchronized"})
{
$np->add_message(WARNING, "some containers not synchronized with service definition");
}
for (${$result}{"state"}) {
/^(running|scaling)$/i && do {
$np->add_message(OK, $_);
last;
};
/^(starting|redeploying)$/i && do {
$np->add_message(WARNING, $_);
last;
};
$np->add_message(CRITICAL, $_);
}
}
else {
$np->add_message(CRITICAL, "Tutum API error: " . $response->status_line);
}
last SWITCH;
};
$np->nagios_die("Unknown command: $_");
}
my ($status, $message) = $np->check_messages('join' => ' - ');
$np->nagios_exit($status, $message);
sub logD {
print STDERR 'DEBUG: '.$_[0]."\n" if ($np->opts->verbose);
}
sub logW {
print STDERR 'WARNING: '.$_[0]."\n" if ($np->opts->verbose);
}
# Gettext wrapper
sub _gt {
return gettext($_[0]);
}
sub showExtra {
return <<TEXT;
Copyright (c) 2015 Hubert Chathi
TEXT
}