Puppet Class: profile::debmonitor::server

Defined in:
modules/profile/manifests/debmonitor/server.pp

Summary

This profile installs all the Debmonitor server related parts as WMF requires it

Overview

Actions:

Deploy Debmonitor
Install nginx, uwsgi, configure reverse proxy to uwsgi

Examples:

include ::profile::debmonitor::server

Parameters:

  • internal_server_name (String) (defaults to: lookup('debmonitor'))

    the discovery domain used for debmonitor

  • ldap_config (Hash) (defaults to: lookup('ldap', Hash, hash, {}))

    The ldap configuration

  • public_server_name (String) (defaults to: lookup('profile::debmonitor::server::public_server_name'))

    The public domain to use

  • django_secret_key (String) (defaults to: lookup('profile::debmonitor::server::django_secret_key'))

    The Django secret key

  • django_mysql_db_host (String) (defaults to: lookup('profile::debmonitor::server::django_mysql_db_host'))

    the Django mysql host

  • django_mysql_db_password (String) (defaults to: lookup('profile::debmonitor::server::django_mysql_db_password'))

    The Django mysql password

  • django_log_db_queries (Boolean) (defaults to: lookup('profile::debmonitor::server::django_log_db_queries'))

    Whether to log DB queries

  • django_require_login (Boolean) (defaults to: lookup('profile::debmonitor::server::django_require_login'))

    whether to disable logins

  • settings_module (String) (defaults to: lookup('profile::debmonitor::server::settings_module'))

    the settings module to use

  • app_deployment (String) (defaults to: lookup('profile::debmonitor::server::app_deployment'))

    How to deploy the APP

  • enable_logback (Boolean) (defaults to: lookup('profile::debmonitor::server::enable_logback'))

    Enable logback

  • enable_monitoring (Boolean) (defaults to: lookup('profile::debmonitor::server::enable_monitoring'))

    Enable monitoring

  • ssl_certs (Enum['sslcert', 'puppet', 'cfssl']) (defaults to: lookup('profile::debmonitor::server::ssl_certs'))

    Indicate how sslcerts are managed

  • cfssl_label (Optional[String]) (defaults to: lookup('profile::debmonitor::server::cfssl_label'))

    CFSSL label to use when requesting ssl certs. Only valid if ssl_certs = 'cfssl'

  • required_groups (Array[String]) (defaults to: lookup('profile::debmonitor::server::required_groups'))

    A list of ldap groups allowed to login

  • trusted_ca_source (Stdlib::Filesource) (defaults to: lookup('profile::debmonitor::server::trusted_ca_source'))

    Path to CA files used for MTLS truststore



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
# File 'modules/profile/manifests/debmonitor/server.pp', line 24

class profile::debmonitor::server (
    String                             $internal_server_name     = lookup('debmonitor'),
    Hash                               $ldap_config              = lookup('ldap', Hash, hash, {}),
    String                             $public_server_name       = lookup('profile::debmonitor::server::public_server_name'),
    String                             $django_secret_key        = lookup('profile::debmonitor::server::django_secret_key'),
    String                             $django_mysql_db_host     = lookup('profile::debmonitor::server::django_mysql_db_host'),
    String                             $django_mysql_db_password = lookup('profile::debmonitor::server::django_mysql_db_password'),
    Boolean                            $django_log_db_queries    = lookup('profile::debmonitor::server::django_log_db_queries'),
    Boolean                            $django_require_login     = lookup('profile::debmonitor::server::django_require_login'),
    String                             $settings_module          = lookup('profile::debmonitor::server::settings_module'),
    String                             $app_deployment           = lookup('profile::debmonitor::server::app_deployment'),
    Boolean                            $enable_logback           = lookup('profile::debmonitor::server::enable_logback'),
    Boolean                            $enable_monitoring        = lookup('profile::debmonitor::server::enable_monitoring'),
    Enum['sslcert', 'puppet', 'cfssl'] $ssl_certs                = lookup('profile::debmonitor::server::ssl_certs'),
    Optional[String]                   $cfssl_label              = lookup('profile::debmonitor::server::cfssl_label'),
    Array[String]                      $required_groups          = lookup('profile::debmonitor::server::required_groups'),
    Stdlib::Filesource                 $trusted_ca_source        = lookup('profile::debmonitor::server::trusted_ca_source'),
) {
    if $ssl_certs == 'cfssl' and !$cfssl_label {
        fail('\$cfssl_label required when using cfssl')
    }
    include passwords::ldap::production

    # Make is required by the deploy system
    ensure_packages(['libldap-2.4-2', 'make', 'python3-pip', 'virtualenv'])

    # Debmonitor depends on 'mysqlclient' Python package that in turn requires a MySQL connector
    ensure_packages('libmariadb3')

    class { 'sslcert::dhparam': }

    if $enable_logback {
        # rsyslog forwards json messages sent to localhost along to logstash via kafka
        class { 'profile::rsyslog::udp_json_logback_compat': }
    }

    $ldap_password = $passwords::ldap::production::proxypass
    $port = 8001
    $deploy_user = 'deploy-debmonitor'
    $base_path = '/srv/deployment/debmonitor'
    $deploy_path = "${base_path}/deploy"
    $venv_path = "${base_path}/venv"
    $static_path = "${base_path}/static/"
    $config_path = "${base_path}/config.json"
    $directory = "${deploy_path}/src"
    $ssl_config = ssl_ciphersuite('apache', 'strong')
    # Ensure to add FQDN of the current host also the first time the role is applied
    $hosts = (wmflib::role::hosts('debmonitor::server') << $facts['networking']['fqdn']).sort.unique
    $proxy_hosts = wmflib::role::hosts('cluster::management')
    $proxy_images = wmflib::role::hosts('builder')
    $ldap_server_primary = $ldap_config['ro-server']
    $ldap_server_fallback = $ldap_config['ro-server-fallback']

    # Configuration file for the Django-based WebUI and API
    file { $config_path:
        ensure  => file,
        owner   => $deploy_user,
        group   => 'www-data',
        mode    => '0440',
        content => template('profile/debmonitor/server/config.json.erb'),
        before  => Uwsgi::App['debmonitor'],
        notify  => Service['uwsgi-debmonitor'],
    }

    # uWSGI service to serve the Django-based WebUI and API
    $socket = '/run/uwsgi/debmonitor.sock'
    service::uwsgi { 'debmonitor':
        deployment      => $app_deployment,
        port            => $port,
        no_workers      => 4,
        deployment_user => $deploy_user,
        config          => {
            need-plugins => 'python3',
            chdir        => $directory,
            venv         => $venv_path,
            wsgi         => 'debmonitor.wsgi',
            buffer-size  => 8192,
            vacuum       => true,
            http-socket  => "127.0.0.1:${port}",
            socket       => $socket,
            env          => [
                # T164034: make sure Python has a sane default encoding
                'LANG=C.UTF-8',
                'LC_ALL=C.UTF-8',
                'PYTHONENCODING=utf-8',
                # Tell Debmonitor which configuration file to read
                "DEBMONITOR_CONFIG=${config_path}",
                # Tell Debmonitor which settings module to load
                "DJANGO_SETTINGS_MODULE=${settings_module}",
            ],
        },
        healthcheck_url => '/',
        icinga_check    => false,
        sudo_rules      => [
            'ALL=(root) NOPASSWD: /usr/sbin/service uwsgi-debmonitor restart',
            'ALL=(root) NOPASSWD: /usr/sbin/service uwsgi-debmonitor start',
            'ALL=(root) NOPASSWD: /usr/sbin/service uwsgi-debmonitor status',
            'ALL=(root) NOPASSWD: /usr/sbin/service uwsgi-debmonitor stop',
        ],
    }

    profile::auto_restarts::service { 'uwsgi-debmonitor': }
    profile::auto_restarts::service { 'apache2': }
    profile::auto_restarts::service { 'envoyproxy': }

    # Internal endpoint: incoming updates from all production hosts via debmonitor CLI
    ferm::service { 'apache-https':
        proto  => 'tcp',
        port   => '443',
        srange => '$DOMAIN_NETWORKS',
    }

    class { 'httpd':
        modules => ['proxy_http', 'proxy', 'proxy_uwsgi', 'auth_basic', 'ssl', 'headers'],
    }

    profile::idp::client::httpd::site { $public_server_name:
        vhost_content    => 'profile/idp/client/httpd-debmonitor.erb',
        proxied_as_https => true,
        vhost_settings   => {
            'uwsgi_port'           => $port,
            'uwsgi_socket'         => $socket,
            'static_path'          => $static_path,
            'internal_server_name' => $internal_server_name,
        },
        required_groups  => $required_groups,
        enable_monitor   => false,
    }

    $trusted_ca_file = "/etc/ssl/localcerts/${internal_server_name}.trusted_ca.pem"
    file { $trusted_ca_file:
        ensure => file,
        mode   => '0444',
        source => $trusted_ca_source,
        notify => Service['apache2'],
    }
    case $ssl_certs {
        'sslcert': {
            $cert = "/etc/ssl/localcerts/${internal_server_name}.crt"
            $key = "/etc/ssl/private/${internal_server_name}.key"
        }
        'puppet': {
            $cert = $facts['puppet_config']['hostcert']
            $key = $facts['puppet_config']['hostprivkey']
        }
        'cfssl': {
            $ssl_paths = profile::pki::get_cert($cfssl_label, $internal_server_name, {
                profile => 'server',
                hosts   => [$facts['networking']['fqdn']],
            })
            $cert = $ssl_paths['cert']
            $key = $ssl_paths['key']
        }
        default: {
            # should't ever reach this
            fail("unsupported ssl provider: ${ssl_certs}")
        }
    }
    httpd::site { $internal_server_name:
        content => template('profile/debmonitor/internal_client_auth_endpoint.conf.erb'),
    }

    # Maintenance script
    file { "${base_path}/run-django-command":
        ensure  => file,
        owner   => $deploy_user,
        group   => $deploy_user,
        mode    => '0554',
        content => template('profile/debmonitor/server/run_django_command.sh.erb'),
    }

    $times = cron_splay($hosts, 'weekly', 'debmonitor-maintenance-gc')
    systemd::timer::job { 'debmonitor-maintenance-gc':
        ensure      => present,
        command     => "${base_path}/run-django-command debmonitorgc",
        user        => $deploy_user,
        description => 'Debmonitor GC',
        interval    => {
            'start'    => 'OnCalendar',
            'interval' => $times['OnCalendar'],
        },
    }

    if $enable_monitoring {
        monitoring::service { 'debmonitor-cdn-https':
            description   => 'debmonitor.wikimedia.org:7443 CDN',
            check_command => 'check_https_redirect!7443!debmonitor.wikimedia.org!/!302!https://idp.wikimedia.org/',
            notes_url     => 'https://wikitech.wikimedia.org/wiki/Debmonitor',
        }

        monitoring::service { 'debmonitor-cdn-https-expiry':
            description   => 'debmonitor.wikimedia.org:7443 CDN SSL Expiry',
            check_command => 'check_https_expiry!debmonitor.wikimedia.org!7443',
            notes_url     => 'https://wikitech.wikimedia.org/wiki/Debmonitor',
        }

        monitoring::service { 'debmonitor-https':
            description   => 'debmonitor.discovery.wmnet:443 internal',
            check_command => 'check_https_client_auth_puppet!debmonitor.discovery.wmnet!/client!200!HEAD',
            notes_url     => 'https://wikitech.wikimedia.org/wiki/Debmonitor',
        }
    }
}