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Diffstat (limited to 'manifests/profile/pacemaker/database')
| -rw-r--r-- | manifests/profile/pacemaker/database/mysql_bundle.pp | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/manifests/profile/pacemaker/database/mysql_bundle.pp b/manifests/profile/pacemaker/database/mysql_bundle.pp new file mode 100644 index 0000000..451d7f7 --- /dev/null +++ b/manifests/profile/pacemaker/database/mysql_bundle.pp @@ -0,0 +1,302 @@ +# 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 = 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 => $galera_nodes_count, + container_options => 'network=host', + options => '--user=root --log-driver=journald -e KOLLA_CONFIG_STRATEGY=COPY_ALWAYS', + run_command => '/bin/bash /usr/local/bin/kolla_start', + network => "control-port=${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/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<||> + } + } +} |