aboutsummaryrefslogtreecommitdiffstats
path: root/manifests/profile/pacemaker/database/mysql_bundle.pp
blob: a80b2def7207cd163686d3884d6b93b4639c5bc2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
# Copyright 2017 Red Hat, Inc.
#
# 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.
#
# == Class: tripleo::profile::pacemaker::mysql_bundle
#
# Containerized Mysql Pacemaker HA profile for tripleo
#
# === Parameters
#
# [*mysql_docker_image*]
#   (Optional) The docker image to use for creating the pacemaker bundle
#   Defaults to hiera('tripleo::profile::pacemaker::database::redis_bundle::mysql_docker_image', undef)
#
# [*control_port*]
#   (Optional) The bundle's pacemaker_remote control port on the host
#   Defaults to hiera('tripleo::profile::pacemaker::database::redis_bundle::control_port', '3123')
#
# [*bootstrap_node*]
#   (Optional) The hostname of the node responsible for bootstrapping tasks
#   Defaults to hiera('mysql_short_bootstrap_node_name')
#
# [*bind_address*]
#   (Optional) The address that the local mysql instance should bind to.
#   Defaults to $::hostname
#
# [*gmcast_listen_addr*]
#   (Optional) This variable defines the address on which the node listens to
#   connections from other nodes in the cluster.
#   Defaults to hiera('mysql_bind_host')
#
# [*pcs_tries*]
#   (Optional) The number of times pcs commands should be retried.
#   Defaults to hiera('pcs_tries', 20)
#
# [*step*]
#   (Optional) The current step in deployment. See tripleo-heat-templates
#   for more details.
#   Defaults to hiera('step')
#
#
class tripleo::profile::pacemaker::database::mysql_bundle (
  $mysql_docker_image = hiera('tripleo::profile::pacemaker::database::mysql_bundle::mysql_docker_image', undef),
  $control_port       = hiera('tripleo::profile::pacemaker::database::mysql_bundle::control_port', '3123'),
  $bootstrap_node     = hiera('mysql_short_bootstrap_node_name'),
  $bind_address       = $::hostname,
  $gmcast_listen_addr = hiera('mysql_bind_host'),
  $pcs_tries          = hiera('pcs_tries', 20),
  $step               = Integer(hiera('step')),
) {
  if $::hostname == downcase($bootstrap_node) {
    $pacemaker_master = true
  } else {
    $pacemaker_master = false
  }

  # use only mysql_node_names when we land a patch in t-h-t that
  # switches to autogenerating these values from composable services
  # The galera node names need to match the pacemaker node names... so if we
  # want to use FQDNs for this, the cluster will not finish bootstrapping,
  # since all the nodes will be marked as slaves. For now, we'll stick to the
  # short name which is already registered in pacemaker until we get around
  # this issue.
  $galera_node_names_lookup = hiera('mysql_short_node_names', hiera('mysql_node_names', $::hostname))
  if is_array($galera_node_names_lookup) {
    $galera_nodes = downcase(join($galera_node_names_lookup, ','))
  } else {
    $galera_nodes = downcase($galera_node_names_lookup)
  }
  $galera_nodes_array = split($galera_nodes, ',')
  $galera_nodes_count = count($galera_nodes_array)

  # construct a galera-pacemaker name mapping for the resource agent
  # [galera-bundle-0:galera_node[0], galera-bundle-1:galera_node[1], ... ,galera-bundle-n:galera_node[n]]
  $host_map_array = $galera_nodes_array.map |$i, $host| {
    "galera-bundle-${i}:${host}"
  }
  $cluster_host_map_string = join($host_map_array, ';')

  $mysqld_options = {
    'mysqld' => {
      'pid-file'                      => '/var/lib/mysql/mariadb.pid',
      'skip-name-resolve'             => '1',
      'binlog_format'                 => 'ROW',
      'default-storage-engine'        => 'innodb',
      'innodb_autoinc_lock_mode'      => '2',
      'innodb_locks_unsafe_for_binlog'=> '1',
      'innodb_file_per_table'         => 'ON',
      'query_cache_size'              => '0',
      'query_cache_type'              => '0',
      'bind-address'                  => $bind_address,
      'max_connections'               => hiera('mysql_max_connections'),
      'open_files_limit'              => '-1',
      'wsrep_on'                      => 'ON',
      'wsrep_provider'                => '/usr/lib64/galera/libgalera_smm.so',
      'wsrep_cluster_name'            => 'galera_cluster',
      'wsrep_cluster_address'         => "gcomm://${galera_nodes}",
      'wsrep_slave_threads'           => '1',
      'wsrep_certify_nonPK'           => '1',
      'wsrep_max_ws_rows'             => '131072',
      'wsrep_max_ws_size'             => '1073741824',
      'wsrep_debug'                   => '0',
      'wsrep_convert_LOCK_to_trx'     => '0',
      'wsrep_retry_autocommit'        => '1',
      'wsrep_auto_increment_control'  => '1',
      'wsrep_drupal_282555_workaround'=> '0',
      'wsrep_causal_reads'            => '0',
      'wsrep_sst_method'              => 'rsync',
      'wsrep_provider_options'        => "gmcast.listen_addr=tcp://${gmcast_listen_addr}:4567;",
    },
    'mysqld_safe' => {
      'pid-file'                      => '/var/lib/mysql/mariadb.pid',
    }
  }

  # remove_default_accounts parameter will execute some mysql commands
  # to remove the default accounts created by MySQL package.
  # We need MySQL running to run the commands successfully, so better to
  # wait step 2 before trying to run the commands.
  if $step >= 2 and $pacemaker_master {
    $remove_default_accounts = true
  } else {
    $remove_default_accounts = false
  }

  if $step >= 1 and $pacemaker_master and hiera('stack_action') == 'UPDATE' {
    tripleo::pacemaker::resource_restart_flag { 'galera-master':
      subscribe => File['mysql-config-file'],
    }
  }

  $mysql_root_password = hiera('mysql::server::root_password')

  if $step >= 1 {
    # Kolla sets the root password, expose it to the MySQL package
    # so that it can initialize the database (e.g. create users)
    file { '/root/.my.cnf' :
      ensure  => file,
      mode    => '0600',
      owner   => 'root',
      group   => 'root',
      content => "[client]
user=root
password=\"${mysql_root_password}\"

[mysql]
user=root
password=\"${mysql_root_password}\"",
    }

    # Resource agent uses those credentials to poll galera state
    file { '/etc/sysconfig/clustercheck' :
      ensure  => file,
      mode    => '0600',
      owner   => 'root',
      group   => 'root',
      content => "MYSQL_USERNAME=root\n
MYSQL_PASSWORD='${mysql_root_password}'\n
MYSQL_HOST=localhost\n",
    }
  }

  if $step >= 2 {
    # need that class to create all openstack credentials
    # we don't include it in step 1 because the kolla bootstrap
    # happens after step 1 baremetal
    class { '::tripleo::profile::base::database::mysql':
      bootstrap_node          => $bootstrap_node,
      manage_resources        => false,
      remove_default_accounts => $remove_default_accounts,
      mysql_server_options    => $mysqld_options,
    }

    if $pacemaker_master {
      $mysql_short_node_names = hiera('mysql_short_node_names')
      $mysql_short_node_names.each |String $node_name| {
        # lint:ignore:puppet-lint-2.0.1 does not work with multiline strings
        # and blocks (remove this when we move to 2.2.0 where this works)
        pacemaker::property { "galera-role-${node_name}":
          property => 'galera-role',
          value    => true,
          tries    => $pcs_tries,
          node     => $node_name,
          before   => Pacemaker::Resource::Bundle['galera-bundle'],
        }
        # lint:endignore
      }
      pacemaker::resource::bundle { 'galera-bundle':
        image             => $mysql_docker_image,
        replicas          => $galera_nodes_count,
        masters           => $galera_nodes_count,
        location_rule     => {
          resource_discovery => 'exclusive',
          score              => 0,
          expression         => ['galera-role eq true'],
        },
        container_options => 'network=host',
        options           => '--user=root --log-driver=journald -e KOLLA_CONFIG_STRATEGY=COPY_ALWAYS',
        run_command       => '/bin/bash /usr/local/bin/kolla_start',
        network           => "control-port=${control_port}",
        storage_maps      => {
          'mysql-cfg-files'               => {
            'source-dir' => '/var/lib/kolla/config_files/mysql.json',
            'target-dir' => '/var/lib/kolla/config_files/config.json',
            'options'    => 'ro',
          },
          'mysql-cfg-data'                => {
            'source-dir' => '/var/lib/config-data/puppet-generated/mysql/',
            'target-dir' => '/var/lib/kolla/config_files/src',
            'options'    => 'ro',
          },
          'mysql-hosts'                   => {
            'source-dir' => '/etc/hosts',
            'target-dir' => '/etc/hosts',
            'options'    => 'ro',
          },
          'mysql-localtime'               => {
            'source-dir' => '/etc/localtime',
            'target-dir' => '/etc/localtime',
            'options'    => 'ro',
          },
          'mysql-lib'                     => {
            'source-dir' => '/var/lib/mysql',
            'target-dir' => '/var/lib/mysql',
            'options'    => 'rw',
          },
          'mysql-log-mariadb'             => {
            'source-dir' => '/var/log/mariadb',
            'target-dir' => '/var/log/mariadb',
            'options'    => 'rw',
          },
          'mysql-pki-extracted'           => {
            'source-dir' => '/etc/pki/ca-trust/extracted',
            'target-dir' => '/etc/pki/ca-trust/extracted',
            'options'    => 'ro',
          },
          'mysql-pki-ca-bundle-crt'       => {
            'source-dir' => '/etc/pki/tls/certs/ca-bundle.crt',
            'target-dir' => '/etc/pki/tls/certs/ca-bundle.crt',
            'options'    => 'ro',
          },
          'mysql-pki-ca-bundle-trust-crt' => {
            'source-dir' => '/etc/pki/tls/certs/ca-bundle.trust.crt',
            'target-dir' => '/etc/pki/tls/certs/ca-bundle.trust.crt',
            'options'    => 'ro',
          },
          'mysql-pki-cert'                => {
            'source-dir' => '/etc/pki/tls/cert.pem',
            'target-dir' => '/etc/pki/tls/cert.pem',
            'options'    => 'ro',
          },
          'mysql-dev-log'                 => {
            'source-dir' => '/dev/log',
            'target-dir' => '/dev/log',
            'options'    => 'rw',
          },
        },
      }

      pacemaker::resource::ocf { 'galera':
        ocf_agent_name  => 'heartbeat:galera',
        master_params   => '',
        meta_params     => "master-max=${galera_nodes_count} ordered=true",
        op_params       => 'promote timeout=300s on-fail=block',
        resource_params => "additional_parameters='--open-files-limit=16384' enable_creation=true wsrep_cluster_address='gcomm://${galera_nodes}' cluster_host_map='${cluster_host_map_string}'",
        tries           => $pcs_tries,
        location_rule   => {
          resource_discovery => 'exclusive',
          score              => 0,
          expression         => ['galera-role eq true'],
        },
        bundle          => 'galera-bundle',
        require         => [Class['::mysql::server'],
                            Pacemaker::Resource::Bundle['galera-bundle']],
        before          => Exec['galera-ready'],
      }

      exec { 'galera-ready' :
        command     => '/usr/bin/clustercheck >/dev/null',
        timeout     => 30,
        tries       => 180,
        try_sleep   => 10,
        environment => ['AVAILABLE_WHEN_READONLY=0'],
        tag         => 'galera_ready'
      }

      # We create databases and users for services at step 2 as well. This ensures
      # Galera is up and ready before those get created
      File['/root/.my.cnf'] -> Mysql_database<||>
      File['/root/.my.cnf'] -> Mysql_user<||>
      File['/etc/sysconfig/clustercheck'] -> Mysql_database<||>
      File['/etc/sysconfig/clustercheck'] -> Mysql_user<||>
      Exec['galera-ready'] -> Mysql_database<||>
      Exec['galera-ready'] -> Mysql_user<||>
    }
  }
}