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consul (41) Versions 0.11.0

Application cookbook which installs and configures Consul.

Berkshelf/Librarian
Policyfile
Knife
cookbook 'consul', '= 0.11.0'
cookbook 'consul', '= 0.11.0', :supermarket
knife cookbook site install consul
knife cookbook site download consul
README
Dependencies
Changelog
Quality

consul-cookbook

Join the chat at https://gitter.im/johnbellone/consul-cookbook Release Build Status Code Coverage

Installs and configures Consul client, server and UI.

Supported Platforms

  • CentOS 6.5, 7.0
  • RHEL 6.5, 7.0
  • Ubuntu 12.04, 14.04
  • Arch Linux
  • Windows

Attributes

<table> <tr> <th>Key</th> <th>Type</th> <th>Description</th> <th>Default</th> </tr> <tr> <td><tt>['consul']['version']</tt></td> <td>String</td> <td>Version to install</td> <td><tt>0.5.0</tt></td> </tr> <tr> <td><tt>['consul']['base_url']</tt></td> <td>String</td> <td>Base URL for binary downloads</td> <td><tt>https://dl.bintray.com/mitchellh/consul/</tt></td> </tr> <tr> <td><tt>['consul']['encrypt']</tt></td> <td>String</td> <td>Encryption string for consul cluster.</td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['install_method']</tt></td> <td>String</td> <td>Method to install consul with when using default recipe: 'binary', 'source' or 'windows'</td> <td> *nix: <tt> binary</tt></br> Windows: <tt>binary</tt> </td> </tr> <tr> <td><tt>['consul']['choco_source']</tt></td> <td>String</td> <td>Source to use for fetching the chocolatey package. Defaults to the chocolatey public feed</td> <td><tt>https://chocolatey.org/api/v2/</tt></td> </tr> <tr> <td><tt>['consul']['install_dir']</tt></td> <td>String</td> <td>Directory to install binary to.</td> <td> *nix: <tt>/usr/local/bin</tt></br> Windows: <tt>{chocolatey_install_dir}\lib\consul.{consul_version}</tt> </td> </tr> <tr> <td><tt>['consul']['service_mode']</tt></td> <td>String</td> <td>Mode to run consul as: bootstrap, cluster, server, or client</td> <td><tt>bootstrap</tt></td> </tr> <tr> <td><tt>['consul']['bootstrap_expect']</tt></td> <td>String</td> <td>When bootstrapping a cluster, the number of server nodes to expect.</td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['data_dir']</tt></td> <td>String</td> <td>Location to store consul's data in</td> <td> *nix: <tt>/var/lib/consul</tt></br> Windows: <tt>C:\ProgramData\consul\data</tt> </td> </tr> <tr> <td><tt>['consul']['config_dir']</tt></td> <td>String</td> <td>Location to read service definitions from (directoy will be created)</td> <td> *nix: <tt>/etc/consul.d</tt></br> Windows: <tt>C:\ProgramData\consul\config</tt> </td> </tr> <tr> <td><tt>['consul']['etc_config_dir']</tt></td> <td>String</td> <td>Misc. configuration directory that might need to be execute during service start</td> <td> Debian: <tt>/etc/default/consul</tt></br> Windows: <tt>{chocolatey_install_dir}\lib\consul.{consul_version}\tools</tt></br> Other: <tt>/etc/sysconfig/consul</tt> </td> </tr> <tr> <td><tt>['consul']['servers']</tt></td> <td>Array Strings</td> <td>Consul servers to join</td> <td><tt>[]</tt></td> </tr> <tr> <td><tt>['consul']['retry_on_join']</tt></td> <td>Boolean</td> <td>Set to true to wait for servers to be up before try to elect a leader</td> <td><tt>false</tt></td> </tr> <tr> <td><tt>['consul']['bind_addr']</tt></td> <td>String</td> <td>address that should be bound to for internal cluster communications</td> <td><tt>0.0.0.0</tt></td> </tr> <tr> <td><tt>['consul']['datacenter']</tt></td> <td>String</td> <td>Name of Datacenter</td> <td><tt>dc1</tt></td> </tr> <tr> <td><tt>['consul']['domain']</tt></td> <td>String</td> <td>Domain for service lookup dns queries</td> <td><tt>.consul</tt></td> </tr> <tr> <td><tt>['consul']['enable_syslog']</tt></td> <td>Boolean</td> <td>enables logging to syslog</td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['log_level']</tt></td> <td>String</td> <td> The level of logging to show after the Consul agent has started: 'trace', 'debug', 'info', 'warn', or 'err' </td> <td><tt>info</tt></td> </tr> <tr> <td><tt>['consul']['node_name']</tt></td> <td>String</td> <td>The name of this node in the cluster</td> <td>hostname of the machine</td> </tr> <tr> <td><tt>['consul']['advertise_addr']</tt></td> <td>String</td> <td>address that we advertise to other nodes in the cluster</td> <td>Value of <i>bind_addr</i></td> </tr> <tr> <td><tt>['consul']['init_style']</tt></td> <td>String</td> <td>Service init mode for running consul as: 'init', 'runit', 'systemd', or 'windows'</td> <td> *nix: <tt>init</tt></br> Windows: <tt>windows</tt> </td> </tr> <tr> <td><tt>['consul']['service_user']</tt></td> <td>String</td> <td>For runit/systemd service: run consul as this user (init uses 'root')</td> <td><tt>consul</tt></td> </tr> <tr> <td><tt>['consul']['service_group']</tt></td> <td>String</td> <td>For runit/systemd service: run consul as this group (init uses 'root')</td> <td><tt>consul</tt></td> </tr> <tr> <td><tt>['consul']['bind_interface']</tt></td> <td>String</td> <td> Interface to bind to, such as 'eth1'. Sets bind_addr attribute to the IP of the specified interface if it exists. </td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['advertise_interface']</tt></td> <td>String</td> <td> Interface to advertise, such as 'eth1'. Sets advertise_addr attribute to the IP of the specified interface if it exists. </td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['extra_params']</tt></td> <td>hash</td> <td> Pass a hash of extra params to the default.json config file </td> <td><tt>{}</tt></td> </tr> <tr> <td><tt>['consul']['encrypt_enabled']</tt></td> <td>Boolean</td> <td> To enable Consul gossip encryption </td> <td><tt>false</tt></td> </tr> <tr> <td><tt>['consul']['verify_incoming']</tt></td> <td>Boolean</td> <td> If set to True, Consul requires that all incoming connections make use of TLS. </td> <td><tt>false</tt></td> </tr> <tr> <td><tt>['consul']['verify_outgoing']</tt></td> <td>Boolean</td> <td> If set to True, Consul requires that all outgoing connections make use of TLS. </td> <td><tt>false</tt></td> </tr> <tr> <td><tt>['consul']['key_file']</tt></td> <td>String</td> <td> The content of PEM encoded private key </td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['key_file_path']</tt></td> <td>String</td> <td> Path where the private key is stored on the disk </td> <td><tt>/etc/consul.d/key.pem</tt></td> </tr> <tr> <td><tt>['consul']['ca_file']</tt></td> <td>String</td> <td> The content of PEM encoded ca cert </td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['ca_file_path']</tt></td> <td>String</td> <td> Path where ca is stored on the disk </td> <td><tt>/etc/consul.d/ca.pem</tt></td> </tr> <tr> <td><tt>['consul']['cert_file']</tt></td> <td>String</td> <td> The content of PEM encoded cert. It should only contain the public key. </td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['cert_file_path']</tt></td> <td>String</td> <td> Path where cert is stored on the disk </td> <td><tt>/etc/consul.d/cert.pem</tt></td> </tr> <tr> <td><tt>['consul']['statsd_addr']</tt></td> <td>String</td> <td>This provides the address of a statsd instance (UDP).</td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['atlas_autojoin']</tt></td> <td>Boolean</td> <td> Determines whether Consul attempts to auto-join the cluster provided by <tt>atlas_cluster</tt> using the value of <tt>atlas_token</tt> </td> <td><tt>false</tt></td> </tr> <tr> <td><tt>['consul']['atlas_cluster']</tt></td> <td>String</td> <td> Name of Atlas cluster to auto-join </td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['atlas_token']</tt></td> <td>String</td> <td> API token used for Atlas integration </td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['startup_sleep']</tt></td> <td>Integer</td> <td> Delay to return-of-control when invoked via an init.d script. Protects consul from an early HUP. </td> <td><tt>3</tt></td> </tr> </table>

Databag Attributes (optional)

Following attributes, if exist in the encrypted databag, override the node attributes

<table> <tr> <th>Key</th> <th>Databag item</th> <th>Type</th> <th>Description</th> </tr> <tr> <td><tt>key_file</tt></td> <td>['consul']['encrypt']</td> <td>String</td> <td>The content of PEM encoded private key</td> </tr> <tr> <td><tt>key_file_{fqdn}</tt></td> <td>['consul']['encrypt']</td> <td>String</td> <td>Node's(identified by fqdn) unique PEM encoded private key. If it exists, it will override the databag and node key_file attribute</td> </tr> <tr> <td><tt>ca_file</tt></td> <td>['consul']['encrypt']</td> <td>String</td> <td>The content of PEM encoded ca cert</td> </tr> <tr> <td><tt>encrypt</tt></td> <td>['consul']['encrypt']</td> <td>String</td> <td>Consul Gossip encryption key</td> </tr> <tr> <td><tt>cert_file</tt></td> <td>['consul']['encrypt']</td> <td>String</td> <td>The content of PEM encoded cert</td> </tr> <tr> <td><tt>cert_file_{fqdn}</tt></td> <td>['consul']['encrypt']</td> <td>String</td> <td>Node's(identified by fqdn) unique PEM encoded cert. If it exists, it will override the databag and node cert_file attribute</td> </tr> </table>

Consul UI Attributes

<table> <tr> <th>Key</th> <th>Type</th> <th>Description</th> <th>Default</th> </tr> <tr> <td><tt>['consul']['client_addr']</tt></td> <td>String</td> <td>Address to bind to</td> <td><tt>0.0.0.0</tt></td> </tr> <tr> <td><tt>['consul']['client_interface']</tt></td> <td>String</td> <td> Interface to advertise, such as 'eth1'. Sets advertise_addr attribute to the IP of the specified interface if it exists. </td> <td><tt>nil</tt></td> </tr> <tr> <td><tt>['consul']['serve_ui']</tt></td> <td>Boolean</td> <td>Determines whether the consul service also serve's the UI</td> <td><tt>false</tt></td> </tr> </table>

Usage

The easiest way to bootstrap a cluster is to use the cluster recipe and use Chef provisioning which is a relatively new extension. This extension allows you to use any driver and easily stand up a cluster. Once the Chef Development Kit has been installed you can run the following command to provision a cluster.

gem install chef-provisioning chef-provisioning-fog
export CHEF_DRIVER=fog:AWS
chef-client -z cluster.rb

Please follow the Chef provisioning README which provides more detailed information about provisioning. You'll need to configure your credentials prior to provisioning.

consul::default

The default recipe will install the Consul agent using the consul::install_binary recipe. It will also configure and start consul at the machine boot.

consul::install_binary

If you only wish to simply install the binary from the official mirror you simply include consul::install_binary in your node's run_list:

{
  "run_list": [
    "recipe[consul::install_binary]"
  ]
}

consul::install_source

Instead if you wish to install Consul from source you simply need to include consul::install_source in your node's run_list. This will also configure the Go language framework on the node to build the application.

{
  "run_list": [
    "recipe[consul::install_source]"
  ]
}

consul::ui

Installing the separate Consul UI simply requires you to include the consul::ui recipe in your node's run_list. Consul UI is not supported on Windows platform.

{
  "run_list": [
    "recipe[consul::ui]"
  ]
}

LWRP

Adding key watch
consul_key_watch_def 'key-watch-name' do
  key "/key/path"
  handler "chef-client"
end
Adding event watch
consul_event_watch_def 'event-name' do
  handler "chef-client"
end
Adding services watch
consul_services_watch_def 'services-name' do
  handler "chef-client"
end
Adding service watch
consul_service_watch_def 'service-name' do
      passingonly true
  handler "chef-client"
end
Adding service without check
consul_service_def 'voice1' do
  port 5060
  tags ['_sip._udp']
  notifies :reload, 'service[consul]'
end
Adding services with checks
consul_service_def 'voice1' do
  port 5060
  tags ['_sip._udp']
  check(
    interval: '10s',
    script: 'echo ok'
  )
  notifies :reload, 'service[consul]'
end

consul_service_def 'server1' do
  port 80
  tags ['http']
  check(
    interval: '10s',
    http: 'http://localhost:80'
  )
  notifies :reload, 'service[consul]'
end
Removing service
consul_service_def 'voice1' do
  action :delete
  notifies :reload, 'service[consul]'
end

Be sure to notify the Consul resource to restart when your service def changes.

Getting Started

To bootstrap a consul cluster follow the following steps: 0. Make sure that ports 8300-8302 (by default, if you configured different ones open those) UDP/TCP are all open. 1. Bootstrap a few (preferablly 3 nodes) to be your consul servers, these will be the KV masters. 2. Put node['consul']['servers'] =["Array of the bootstrapped servers ips or dns names"] in your environment. 3. Apply the consul cookbook to these nodes with node['consul']['service_mode'] = 'cluster' (I put this in this in a CONSUL_MASTER role). 4. Let these machines converge, once you can run consul members and get a list of all of the servers your ready to move on 5. Apply the consul cookbook to the rest of your nodes with node['consul']['service_mode'] = 'client' (I put this in the environment) 6. Start adding services and checks to your cookbooks. 7. If you want to get values out of consul to power your chef, curl localhost:8500/v1/kv/key/path?raw in your cookbook.

Authors

Created and maintained by John Bellone @johnbellone (jbellone@bloomberg.net) and a growing community of contributors.

0.11

Minor fixes. (Actually) last release prior to 1.0.0.

0.10.1

Minor fixes. Last major release prior to 1.0.0.

0.10

Fixes several bugs, minor enhancements and changes default version of Consul to 0.5.2.

  • Enhancements

    • Node attribute for specifying Consul log file. @darron
    • Recipe no longer tries to create directories twice. @tiwilliam
    • Add packagecloud install method. @darron
    • Add 'rejoin_after_leave' option. @arodd
    • Add LWRP for services watch. @hirocaster
  • Bug Fixes

    • #152 Remove +x permissions on upstart/systemd configs. @dpkp
    • #158 Fix sysvinit script by not quoting commands. @hatchetation
    • #172 Adds missing bracket to restart subscription. @YuukiARIA
    • #178 Ensures GOMAXPROCS is at least 2. @tgwizard

0.9.1

  • Bug Fixes
    • Lock to Chef 11 compatible version of libarchive cookbook

0.9.0

  • Enhancements
  • Bug Fixes

    • Remove hard dependency on chef-provisioning cookbook.
    • Sets correct ownership to Consul run user/group on service directories. @thedebugger
  • Removes support for EL5 (CentOS 5) and Ubuntu 10.04.

0.8.3

  • Bug Fixes
    • Export GOMAXPROCS when using runit service style

0.8.2

  • Bug Fixes
    • Set GOMAXPROCS when using runit service style

0.8.1

  • Bug Fixes
    • Vanilla init script now points to the proper Consul binary and data dir

0.8.0

  • Enhancements

    • Upgrading from one version to another of Consul is now supported. The Consul service will automatically restart after upgrade.
  • Bug Fixes

    • Partial convergeances will now gracefully recover on the next chef run
    • Upstart will now respawn Consul on crash
    • It is no longer possible to set an invalid install method
  • Backwards incompatible changes

    • 'consul/ui_dir' attribute was removed. This will automatically be placed within the directory configured by 'consul/data_dir' as 'ui'

0.7.1

  • Bug Fixes
    • Fixed: Reloading the Consul service when using the runit init style will

0.7.0

  • Enhancements

    • Added cluster recipe for easily provisioning new Consul clusters. See the README for details
    • Added support for additional options for service_config
    • Added support for Ubuntu 10.04
    • Allow custom data bag / data bag item for Consul encrypt. Default data bag is still consul and default item is still encrypt
    • Bump support for Golan cookbook ~> 1.4
    • Added consul/retry_on_join attribute which to specify retry_join strategy instead of the default: start_join
    • Added consul_service_watch LWRP
  • Bug Fixes

    • No longer overwrite service user/group attribute when using non-runit init styles
    • Setting the version attribute will now point to the appropriate download URL
    • Use ID attribute to identify consul check definition files instead of name. If no ID is present name will be used

0.6.0

  • Add support for TLS, and gossip encryption

New features: - Add Chef Provisioning recipe for bootstrapping a cluster. - Add LWRP for defining an event watch (thanks @ericfode

0.4.4

  • Adds server list to a consul instance running as a cluster with a bootstrap_expect value greater than one.

0.4.3

  • Fix race condition when installing Consul as a runit service
  • Documentation fixes

0.4.2

Bumps default version of Consul to 0.4.0

0.4.1

Bumps default version of Consul to 0.3.1.

Adds support to bind to the IP of a named interface. - bind_interface, advertise_interface, client_interface attributes (thanks @romesh-mccullough)

Test/Quality Coverage - Expands test coverage to the consul::ui and consul::_service recipes. - Passes some more rubocop and foodcritic code quality tests. - Only test in Travis against rubies of future past.

0.4.0

Adds ChefSpec tests and software lint/metrics.

Breaking Changes - Renames binary_install recipe to install_binary - Renames source_install recipe to source_binary

0.3.0

Bumps the release of Consul to 0.3.0.

Adds Service LWRP (thanks @reset!)

0.2.0

Bumps the release of Consul to 0.2.0.

Adds consul::service recipe. Adds more tests.

Bug Smashing - Source installation now works properly. - Test Kitchen shows all green!

0.1.0

Initial release of Consul cookbook.

Source and binary installation recipes.

Foodcritic Metric
            

0.11.0 failed this metric

FC001: Use strings in preference to symbols to access node attributes: /tmp/cook/12792a861c3999f88a7c3784/consul/recipes/service.rb:154
FC001: Use strings in preference to symbols to access node attributes: /tmp/cook/12792a861c3999f88a7c3784/consul/templates/default/sv-consul-log-run.erb:2
FC019: Access node attributes in a consistent manner: /tmp/cook/12792a861c3999f88a7c3784/consul/recipes/service.rb:154
FC021: Resource condition in provider may not behave as expected: /tmp/cook/12792a861c3999f88a7c3784/consul/providers/check_def.rb:21
FC023: Prefer conditional attributes: /tmp/cook/12792a861c3999f88a7c3784/consul/recipes/service.rb:196
FC031: Cookbook without metadata file: /tmp/cook/12792a861c3999f88a7c3784/consul/metadata.rb:1
FC045: Consider setting cookbook name in metadata: /tmp/cook/12792a861c3999f88a7c3784/consul/metadata.rb:1
FC048: Prefer Mixlib::ShellOut: /tmp/cook/12792a861c3999f88a7c3784/consul/recipes/service.rb:54
FC048: Prefer Mixlib::ShellOut: /tmp/cook/12792a861c3999f88a7c3784/consul/recipes/service.rb:65