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cloudfoundry_service (12) Versions 1.1.1

Base cookbook for cloudfoundry service cookbooks

Berkshelf/Librarian
Policyfile
Knife
cookbook 'cloudfoundry_service', '= 1.1.1'
cookbook 'cloudfoundry_service', '= 1.1.1', :supermarket
knife cookbook site install cloudfoundry_service
knife cookbook site download cloudfoundry_service
README
Dependencies
Quality -%

Description

basic functionality for writing cookbooks that manage services in a Cloud Foundry installation.

Unless you are creating or modifying a cookbook, there is nothing interesting in here.

Requirements

Cookbooks

  • cloudfoundry
  • logrotate
  • rbenv

Platform

  • Ubuntu

Tested on:

  • Ubuntu 10.04
  • Ubuntu 12.04

Attributes

This cookbooks defines common attributes that are used by its own recipes and resources, as well as by the actual services cookbooks.

The following attributes are user-configurable:

  • node['cloudfoundry_service']['install_path'] - The directory where sources for each service will be installed. Defaults to "/srv/vcap-srv"
  • node['cloudfoundry_service']['repo'] - The URL to a git repository containing the sources for all the services. If you wish to make changes to the source code, you can fork this repository and change this attribute to point to your own fork. Defaults to "https://github.com/cloudfoundry/vcap-services.git"
  • node['cloudfoundry_service']['reference'] - A reference to a commit (the SHA1 or a branch name) to deploy. Defaults to "ac31866f8568593d8499ad07c5a74ae7ed527aa4"
  • node['cloudfoundry_service']['base_dir'] - Path to the directory used by services to store private data. Default is /var/vcap/services.
  • node['cloudfoundry_service']['lock_dir'] - Path to the directory used by services to store locks. Default is /var/vcap/sys.

Resources/Providers

cloudfoundry_service_component

Manages the installation, configuration and execution of a component of a CloudFoundry service.

Most services have different components: pretty much all of them have a gateway, most have a node and some will have additional lifecycle components.

By default, it uses the cloudfoundry_service_install resource to install the service from git; see its documentation (below) for more information. It is possible to opt-out and handle the installation with other means by setting the install attribute to false.

Actions:

  • :create - installs and configures the given service component;
  • :enable - configures the given service component to start automatically at boot;
  • :start - starts the given service component;
  • :restart - restarts the given service component.

Attribute parameters

  • name: name attribute. The name of the service component. This will be used to derive the default value for other attribute;
  • service_name: the name of the service, e.g. mongodb for the MongoDB service;
  • install: if false, the service component will not be installed automatically; it will need to be installed explicitly. Defaults to true.
  • config_dir: path to a directory that will contain the configuration files for the service component; it will be created if it does not exist. Defaults to node['cloudfoundry']['config_dir'];
  • data_dir: path to a directory that will runtime data for the service component; it will be created if it does not exist. Defaults to File.join(node['cloudfoundry_service']['base_dir'], service_name);
  • user: the user that will own the installed files. Defaults to node['cloudfoundry']['user'];
  • pid_dir: path to a directory that will hold pid files for the service. Defaults to node['cloudfoundry']['pid_dir'];
  • pid_dir: path to a directory that will hold log files for the service. Defaults to node['cloudfoundry']['log_dir'];
  • lock_dir: path to a directory that will hold lock files for the service. Defaults to node['cloudfoundry_service']['lock_dir'];
  • init_service_name: the name of the init (Upstart) service that will be created. Defaults to #{cloudfoundry}_name;
  • base_path: path to a directory that will contain the installation of all the services; if install is specifiied, it will be created if it does not exist. Defaults to node['cloudfoundry_service']['install_path']};
  • subdirectory: name of a subdirectory of base_path that will contain the installation of this services; if install is specifiied, it will be created if it does not exist. Defaults to name;
  • extra_args: extra arguments to add to the service component invokation.

Examples:

cloudfoundry_service_component "mysql_node" do
  service_name  "mysql"
end

cloudfoundry_service_component "mysql_gateway" do
  service_name  "mysql"
end

cloudfoundry_service_install

Manages the installation of a CloudFoundry service.

At the time of this writing, services are distributed only in source form as part of the vcap-services git repository; this resource checks out the git repository only once regardless of the number of services that are installed.

When the content of the repository changes, it will automatically perform any task that is required to updated all the services running on a node. In particular, it will restart every service that is installed from that repository, since there is no way of detecting changes in a single service.

Conversely, if the content of the repository did not change, Bundler will not be run and no service will be restarted unless the directories created by Bundler don't exist. In other words, if you make other changes (deinstall a gem, or make manual changes) you need to either run bundle manually or delete the #{path}/bundle directory.

Warning: the current version of this resource strongly assumes this particular layout; as a consequence, installing different services to unrelated directories is not supported at this time.

Actions:

  • :update - updates the installation of the given service.

Attribute parameters

  • name: name attribute. The name of the service you wish to install. This will be used to derive the default value for other attribute;
  • base_path: path to a directory that will contain the installation of all the services; it will be created if it does not exist. Defaults to node['cloudfoundry_service']['install_path'];
  • subdirectory: name of a subdirectory of base_path that will contain the installation of this services; it will be created if it does not exist. Defaults to name;
  • path: path to a directory that will contain the installation of this services; it will be created if it does not exist. Note: at this time it must be a subdirectory of base_path; Defaults to #{base_path}/#{subdirectory};
  • user: the user that will own the installed files. Defaults to node['cloudfoundry']['user'];
  • repository: the URL to a git repository containing the sources for all the services. Defaults to node['cloudfoundry_service']['repo'];
  • reference: a reference to a commit (the SHA1 or a branch name) to deploy. Defaults to node['cloudfoundry_service']['reference'];
  • enable_submodules: if true, any submodules for the repository will by updated as well. This must be true when using the default repository; only change if you know what you are doing. Defaults to true;
  • depth: if not nil, it will limit the depth of the git checkout to the given value; this may speed up the deployment. Defaults to 10;
  • ruby_version: the version of Ruby that will be used to run Bundler. Defaults to node['cloudfoundry']['ruby_1_9_2_version'];
  • ruby_path: the path to a Ruby interpreter that will be used to run Bundler. Defaults to the rbenv installation of Ruby version node['cloudfoundry']['ruby_1_9_2_version'].

Usage

License and Author

Author:: Andrea Campi (andrea.campi@zephirworks.om.com) Author:: Trotter Cashion (cashion@gmail.com)

Copyright:: 2012 ZephirWorks Copyright:: 2012 Trotter Cashion

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.

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