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galera (1) Versions 0.4.1

Installs Galera Cluster for MySQL

Berkshelf/Librarian
Policyfile
Knife
cookbook 'galera', '~> 0.4.1'
cookbook 'galera', '~> 0.4.1', :supermarket
knife cookbook site install galera
knife cookbook site download galera
README
Dependencies
Quality

Description

Installs Codership's MySQL Galera cluster (http://http://www.codership.com/). Galera Cluster provides synchronous multi-master replication for MySQL (replication plugin).

  • No master failover scripting (automatic failover and recovery)
  • No slave lag
  • Read and write to any node
  • Write scalabilty
  • WAN Clustering

This cookbook enables you to install a Galera cluster from scratch. At minimum you would probaly only need to change a few attributes like

  • ['mysql']['root_password'] = "password"
  • ['mysql']['tunable']['buffer_pool_size'] = "256M"

You can also deploy our ClusterControl coookbook with the Galera Cluster which provide additional control and monitoring features.

Howto: Chef, MySQL Galera and ClusterControl http://support.severalnines.com/entries/21453521-opscode-s-chef-mysql-galera-and-clustercontrol

Requirements

Platform

  • Debian, Ubuntu
  • CentOS, Red Hat, Fedora

Tested on:

  • Ubuntu 12.04 w/ Chef-server 10.16.2 and Galera Cluster v2.2
  • Ubuntu 11.10/12.04 w/ Chef-solo 0.10.8/0.10.10 and Galera Cluster v2.1

Attributes

  • node['mysql']['install_dir'] = "/usr/local"
  • node['mysql']['root_password'] = "password"

  • node['mysql']['base_dir'] = "/usr/local"

  • node['mysql']['data_dir'] = "/var/lib/mysql"

  • node['mysql']['run_dir'] = "/var/run/mysqld"

  • node['mysql']['pid_file'] = /var/lib/mysql/mysqld.pid"

  • node['mysql']['socket'] = /var/run/mysqld/mysqld.sock"

  • node['mysql']['port'] = 3306

  • node['mysql']['tmp_dir'] = "/tmp"

  • node['mysql']['tunable']['buffer_pool_size'] = "256M"

  • node['mysql']['tunable']['flush_log_at_trx_commit'] = 2

  • node['mysql']['tunable']['file_per_table'] = 1

  • node['mysql']['tunable']['doublewrite'] = 0

  • node['mysql']['tunable']['log_file_size'] = "512M"

  • node['mysql']['tunable']['log_files_in_group'] = 2

  • node['mysql']['tunable']['buffer_pool_instances'] = 1

  • node['mysql']['tunable']['max_dirty_pages_pct'] = 75

  • node['mysql']['tunable']['thread_concurrency'] = 0

  • node['mysql']['tunable']['concurrency_tickets'] = 5000

  • node['mysql']['tunable']['thread_sleep_delay'] = 10000

  • node['mysql']['tunable']['lock_wait_timeout'] = 50

  • node['mysql']['tunable']['io_capacity'] = 200

  • node['mysql']['tunable']['read_io_threads'] = 4

  • node['mysql']['tunable']['write_io_threads'] = 4

  • node['mysql']['tunable']['file_format'] = "barracuda"

  • node['mysql']['tunable']['flush_method'] = "O_DIRECT"

  • node['wsrep']['cluster_name'] = "my_galera_cluster"

  • node['wsrep']['slave_threads'] = 1

  • node['wsrep']['certify_nonPK'] = 1

  • node['wsrep']['max_ws_rows'] = 131072

  • node['wsrep']['max_ws_size'] = 1073741824

  • node['wsrep']['retry_autocommit'] = 1

and more in attributes/default.rb

Usage

On MySQL Galera Nodes,

    include_recipe "galera:server"

Example cc_galera role:

    name "cc_galera"
    description "MySQL Galera Node"
    run_list "recipe[galera::server]"

Data Bags

s9s_galera / config.json

    {
      "id": "config",
      "mysql_wsrep_tarball_x86_64": "mysql-5.5.29_wsrep_23.7.3-linux-x86_64.tar.gz",
      "mysql_wsrep_tarball_i686": "mysql-5.5.29_wsrep_23.7.3-linux-i686.tar.gz",
      "galera_package_i386": {
        "deb": "galera-23.2.4-i386.deb",
        "rpm": "galera-23.2.4-1.rhel5.i386.rpm"},
      "galera_package_x86_64": {
        "deb": "galera-23.2.4-amd64.deb",
        "rpm": "galera-23.2.4-1.rhel5.x86_64.rpm"
      },
      "mysql_wsrep_source": "https://launchpad.net/codership-mysql/5.5/5.5.29-23.7.3/+download",
      "galera_source": "https://launchpad.net/galera/2.x/23.2.4/+download",
      "sst_method": "rsync",
      "init_node": "192.168.122.12",
      "galera_nodes": [
         "192.168.122.12",
         "192.168.122.14",
         "192.168.122.16"
        ],
       "secure": "yes",
       "update_wsrep_urls": "yes"
    }
  • galera_nodes These are the IP addresses where you have MySQL Galera nodes running and a random host in this list will be used as the cluster URL for a galera node if the galera recipe is "reloaded".
  • sst_method State Snapshot Transfer method, 'mysqldump', 'rsync', 'rsync_wan' or 'xtrabackup' (if installed).

Change History

TODO: * Handle my.cnf changes after deployment * Galera/MySQL version upgrades

  • v0.4 - Vagrant host only fix, attribute names match opscode mysql recipe, update to MySQL version 5.5.29-23.7.3 and Galera 2.4.2
  • v0.3 - Add init_node which specifies the intital donor node.
  • v0.2 - Use wsrep_urls with mysqld_safe
  • v0.1 - Initial recipe based upon MySQL Galera 5.5.23

License and Author

Alex Yu (<alex@severalnines.com>)

Copyright (c) 2012 Severalnines AB.

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.

Dependent cookbooks

This cookbook has no specified dependencies.

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

Collaborator Number Metric
            

0.4.1 failed this metric

Failure: Cookbook has 0 collaborators. A cookbook must have at least 2 collaborators to pass this metric.

Contributing File Metric
            

0.4.1 failed this metric

Failure: To pass this metric, your cookbook metadata must include a source url, the source url must be in the form of https://github.com/user/repo, and your repo must contain a CONTRIBUTING.md file

Foodcritic Metric
            

0.4.1 failed this metric

FC064: Ensure issues_url is set in metadata: galera/metadata.rb:1
FC065: Ensure source_url is set in metadata: galera/metadata.rb:1
FC066: Ensure chef_version is set in metadata: galera/metadata.rb:1
FC069: Ensure standardized license defined in metadata: galera/metadata.rb:1
Run with Foodcritic Version 11.1.0 with tags metadata,correctness ~FC031 ~FC045 and failure tags any

License Metric
            

0.4.1 passed this metric

No Binaries Metric
            

0.4.1 passed this metric

Publish Metric
            

0.4.1 passed this metric

Supported Platforms Metric
            

0.4.1 passed this metric

Testing File Metric
            

0.4.1 failed this metric

Failure: To pass this metric, your cookbook metadata must include a source url, the source url must be in the form of https://github.com/user/repo, and your repo must contain a TESTING.md file

Version Tag Metric
            

0.4.1 failed this metric

Failure: To pass this metric, your cookbook metadata must include a source url, the source url must be in the form of https://github.com/user/repo, and your repo must include a tag that matches this cookbook version number