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# File 'modules/service/manifests/uwsgi.pp', line 54
define service::uwsgi(
Stdlib::Port $port,
Hash $config = {},
String[1] $systemd_user = 'www-data',
String[1] $systemd_group = 'www-data',
Integer $no_workers = $facts['processors']['count'],
String $healthcheck_url = '/_info',
Boolean $has_spec = false,
String $repo = "${title}/deploy",
Boolean $firejail = true,
Boolean $icinga_check = true,
Boolean $local_logging = true,
String $deployment_user = 'deploy-service',
Boolean $deployment_manage_user = true,
String $deployment = 'scap3',
Array[String] $sudo_rules = [],
Boolean $add_logging_config = true,
String $core_limit = '0',
Optional[Nrpe::Check_http] $nrpe_check_http = undef,
# lint:ignore:wmf_styleguide
String $contact_groups = lookup('contactgroups', {'default_value' => 'admins'}),
# lint:endignore
) {
if $deployment == 'scap3' {
scap::target { $repo:
service_name => $title,
deploy_user => $deployment_user,
before => Uwsgi::App[$title],
manage_user => $deployment_manage_user,
sudo_rules => $sudo_rules,
}
}
# Import all common configuration
include service::configuration
# we do not allow empty names
unless $title and size($title) > 0 {
fail('No name for this resource given!')
}
# the local log file name
$local_logdir = "${service::configuration::log_dir}/${title}"
$local_logfile = "${local_logdir}/main.log"
if $add_logging_config {
if $local_logging {
ensure_resource('file', '/srv/log', {'ensure' => 'directory' })
file { $local_logdir:
ensure => directory,
owner => 'www-data',
group => 'root',
mode => '0755',
before => Uwsgi::App[$title],
}
logrotate::conf { $title:
ensure => present,
content => template('service/logrotate.uwsgi.erb'),
}
$log_config_local = {
log-route => ['local .*', 'logstash .*'],
logger => [
"local file:${local_logfile}",
"logstash socket:${service::configuration::logstash_host}:11514",
],
}
} else {
$log_config_local = {
log-route => ['logstash .*'],
logger => [
"logstash socket:${service::configuration::logstash_host}:11514",
],
}
}
$log_config_shared = {
log-encoder => [
# lint:ignore:single_quote_string_with_variables
# Add a timestamps to local log messages
'format:local [${strftime:%%Y-%%m-%%dT%%H:%%M:%%S}] ${msgnl}',
# Encode messages to the logstash logger as json datagrams.
# msgpack would be nicer
join([
'json:logstash {"@timestamp":"${strftime:%%Y-%%m-%%dT%%H:%%M:%%S}","type":"',
$title,
'","logger_name":"uwsgi","host":"%h","level":"INFO","message":"${msg}"}'], '')
#lint:endignore
],
}
$logging_config = deep_merge($log_config_shared, $log_config_local)
} else {
# Use the default log routing of uwsgi which will emit events to
# stdout/stderr with no special formatting. journald will add
# timestamps.
$logging_config = {}
}
if !defined(File["/etc/${title}"]) {
file { "/etc/${title}":
ensure => directory,
owner => 'root',
group => 'root',
mode => '0755',
}
}
$plugins = debian::codename::ge('bullseye') ? {
true => 'python3, logfile, logsocket',
default => 'python, python3, logfile, logsocket',
}
$base_config = {
plugins => $plugins,
master => true,
http-socket => "0.0.0.0:${port}",
processes => $no_workers,
die-on-term => true,
}
$complete_config = deep_merge($base_config, $logging_config, $config)
uwsgi::app { $title:
core_limit => $core_limit,
systemd_user => $systemd_user,
systemd_group => $systemd_group,
monitoring => bool2str($icinga_check, 'present','absent'),
settings => {
uwsgi => $complete_config,
},
}
if $icinga_check {
if $has_spec {
# Advanced monitoring
include service::monitoring
$fact_ip = $facts['networking']['ip']
$monitor_url = "http://${fact_ip}:${port}${healthcheck_url}"
nrpe::monitor_service{ "endpoints_${title}":
description => "${title} endpoints health",
nrpe_command => "/usr/bin/service-checker-swagger -t 5 ${fact_ip} ${monitor_url}",
contact_group => $contact_groups,
}
# we also support smart-releases
# TODO: Enable has_autorestart
service::deployment_script { $name:
monitor_url => $monitor_url,
}
} elsif $nrpe_check_http {
nrpe::monitor_service {"uwsgi-nrpe-${title}":
description => "uWSGI ${title} (http via nrpe)",
nrpe_command => wmflib::argparse($nrpe_check_http, '/usr/lib/nagios/plugins/check_http'),
contact_group => $contact_groups,
notes_url => "https://wikitech.wikimedia.org/wiki/Services/Monitoring/${title}",
}
} else {
# Basic monitoring
monitoring::service { $title:
description => $title,
check_command => "check_http_port_url!${port}!${healthcheck_url}",
contact_group => $contact_groups,
notes_url => "https://wikitech.wikimedia.org/wiki/Services/Monitoring/${title}",
}
}
}
}
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