Puppet Class: profile::restbase
- Defined in:
- modules/profile/manifests/restbase.pp
Overview
class profile::restbase
sets up a REST API & storage service
Parameters
- cassandra_user
-
Cassandra user name.
- cassandra_password
-
Cassandra password.
- seeds
-
Array of cassandra hosts (IP or host names) to contact.
- seeds_ng
-
Array of cassandra hosts (IP or host names) to contact (next-gen storage module).
- cassandra_local_dc
-
Which DC should be considered local.
- cassandra_datacenters
-
The full list of member datacenters.
- cassandra_tls
-
An associative array of TLS options for the Cassandra driver. See: nodejs.org/api/tls.html#tls_tls_createsecurecontext_options
- logging_label
-
The logging label to use both for logging and statsd.
- monitor_restbase
-
Whether RESTBase HTTP root monitoring is enabled. (true/false)
- monitor_domain
-
The domain to monitor during the service's operation.
- hosts
-
The list of RESTBase hosts used for setting up the rate-limiting DHT.
In production, URIs are looked up automatically. In other environments, you will need to define via hiera the following variables:
- parsoid_uri
-
URI to reach Parsoid. Format: parsoid.svc.eqiad.wmnet:8000
- mobileapps_uri
-
MobileApps service URI. Format: mobileapps.svc.eqiad.wmnet:4102
- mathoid_uri
-
Mathoid service URI. Format: mathoid.svc.eqiad.wmnet:4001
- aqs_uri
-
Analytics Query Service URI. Format: aqs.svc.eqiad.wmnet:7232/analytics.wikimedia.org/v1
- event_service_uri
-
Eventgate service URI. Format: eventgate-main.discovery.wmnet:4492/v1/events
- proton_uri
-
Proton PDF Render service URI. Format: proton.discovery.wmnet:4030
- citoid_uri
-
Citoid service URI. Format: citoid.svc.eqiad.wmnet:1970
- cxserver_uri
-
CXServer service uri. Format: cxserver.discovery.wmnet:4002
- recommendation_uri
-
Recommendation API service URI. Format: recommendation-api.discovery.wmnet:9632
- wikifeeds_uri
-
Wikifeeds service URI. Format: wikifeeds.discovery.wmnet:4101
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# File 'modules/profile/manifests/restbase.pp', line 75
class profile::restbase(
$cassandra_user = lookup('profile::restbase::cassandra_user'),
$cassandra_password = lookup('profile::restbase::cassandra_password'),
$no_workers = lookup('profile::restbase::no_workers', {'default_value' => 'ncpu'}),
$seeds_ng = lookup('profile::restbase::seeds_ng', {'default_value' => []}),
$hosts = lookup('profile::restbase::hosts'),
$cassandra_local_dc = lookup('profile::restbase::cassandra_local_dc'),
$cassandra_datacenters = lookup('profile::restbase::cassandra_datacenters'),
$cassandra_tls = lookup('profile::restbase::cassandra_tls', {'default_value' => {}}),
$salt_key = lookup('profile::restbase::salt_key'),
$logging_label = lookup('profile::restbase::logging_label'),
$listeners = lookup('profile::services_proxy::envoy::listeners'),
$parsoid_uri = lookup(
'profile::restbase::parsoid_uri',
{'default_value' => wmflib::service::get_url('mw-parsoid', '/w/rest.php', $listeners)}
),
$mobileapps_uri = lookup(
'profile::restbase::mobileapps_uri',
{'default_value' => wmflib::service::get_url('mobileapps', '', $listeners)}
),
$mathoid_uri = lookup(
'profile::restbase::mathoid_uri',
{'default_value' => wmflib::service::get_url('mathoid', '', $listeners)}
),
$aqs_uri = lookup('profile::restbase::aqs_uri'),
$event_service_uri = lookup(
'profile::restbase::event_service_uri',
{'default_value' => wmflib::service::get_url('eventgate-main','/v1/events', $listeners)}
),
$proton_uri = lookup(
'profile::restbase::proton_uri',
{'default_value' => wmflib::service::get_url('proton', '', $listeners)}
),
$citoid_uri = lookup(
'profile::restbase::citoid_uri',
{'default_value' => wmflib::service::get_url('citoid', '', $listeners)}
),
$cxserver_uri = lookup(
'profile::restbase::cxserver_uri',
{'default_value' => wmflib::service::get_url('cxserver', '', $listeners)}
),
$recommendation_uri = lookup(
'profile::restbase::recommendation_uri',
{'default_value' => wmflib::service::get_url('recommendation', '', $listeners)}
),
$wikifeeds_uri = lookup(
'profile::restbase::wikifeeds_uri',
{'default_value' => wmflib::service::get_url('wikifeeds', '', $listeners)}
),
$monitor_restbase = lookup('profile::restbase::monitor_restbase', {'default_value' => true}),
$monitor_domain = lookup('profile::restbase::monitor_domain'),
) {
# Default values that need no overriding
$port = 7231
$page_size = 250
require ::service::configuration
$local_logfile = "${service::configuration::log_dir}/${title}/main.log"
# Uris
service::node { 'restbase':
port => $port,
no_workers => $no_workers,
no_file => 200000,
healthcheck_url => "/${monitor_domain}/v1",
icinga_check => false, # done via service::catalog 'probes'
has_spec => true,
starter_script => 'restbase/server.js',
auto_refresh => false,
deployment => 'scap3',
deployment_config => true,
deployment_vars => {
ipaddress => $::ipaddress,
rl_seeds => reject(reject($hosts, $::hostname), $::ipaddress),
seeds_ng => $seeds_ng,
cassandra_local_dc => $cassandra_local_dc,
cassandra_datacenters => $cassandra_datacenters,
cassandra_user => $cassandra_user,
cassandra_password => $cassandra_password,
cassandra_tls => $cassandra_tls,
parsoid_uri => $parsoid_uri,
mathoid_uri => $mathoid_uri,
mobileapps_uri => $mobileapps_uri,
citoid_uri => $citoid_uri,
event_service_uri => $event_service_uri,
proton_uri => $proton_uri,
cxserver_uri => $cxserver_uri,
recommendation_uri => $recommendation_uri,
wikifeeds_uri => $wikifeeds_uri,
aqs_uri => $aqs_uri,
salt_key => $salt_key,
page_size => $page_size,
},
logging_name => $logging_label,
statsd_prefix => $logging_label,
}
sysctl::parameters { 'tcp_performance':
values => {
# Allow TIME_WAIT connection reuse state as attempt to
# reduce the usage of ephemeral ports.
# See <http://vincent.bernat.im/en/blog/2014-tcp-time-wait-state-linux.html>
'net.ipv4.tcp_tw_reuse' => 1,
},
}
$ensure_monitor_restbase = $monitor_restbase ? {
true => present,
false => absent,
default => present,
}
monitoring::service { 'restbase_http_root':
ensure => $ensure_monitor_restbase,
description => 'Restbase root url',
check_command => "check_http_port_url!${port}!/",
contact_group => 'admins,team-services',
notes_url => 'https://wikitech.wikimedia.org/wiki/RESTBase',
}
nrpe::monitor_service { 'restbase_instance_space':
ensure => $ensure_monitor_restbase,
description => 'Cassandra instance data free space',
notes_url => 'https://wikitech.wikimedia.org/wiki/RESTBase#instance-data',
nrpe_command => '/usr/lib/nagios/plugins/check_disk -w 30% -c 20% -p /srv/cassandra/instance-data',
}
# RESTBase rate limiting DHT firewall rule
$rb_hosts_ferm = join($hosts, ' ')
ferm::service { 'restbase-ratelimit':
proto => 'tcp',
port => '3050',
srange => "@resolve((${rb_hosts_ferm}))",
}
# TEMP for T223953
# Allow access to 7233 as well. Once RESTRouter is used, remove
# this block and entirely and change the port to 7233
ferm::service {'restbase_web':
proto => 'tcp',
port => '7233',
}
# END TEMP
}
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