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chef-solo-search (2) Versions 0.4.0

Data bag search for Chef Solo

Berkshelf/Librarian
Policyfile
Knife
cookbook 'chef-solo-search', '= 0.4.0'
cookbook 'chef-solo-search', '= 0.4.0', :supermarket
knife cookbook site install chef-solo-search
knife cookbook site download chef-solo-search
README
Dependencies
Quality

chef-solo-search

Chef-solo-search is a cookbook library that adds data bag search powers to Chef Solo. Data bag support was added to Chef Solo by Chef 0.10.4. Please see Supported queries for a list of query types which are supported.

Requirements

* ruby >= 1.8
* ruby-chef >= 0.10.4

Installation

In order to use this extension, create a (dummy-) cookbook and add a directory called libraries. Next copy libraries/search.rb and libraries/parser.rb to the newly created directory. Now you have to make sure chef-solo knows about data bags, therefore add

data_bag_path "<node_work_path>/data_bags"

to the config file of chef-solo (defaults to /etc/chef/solo.rb).

The same for your roles, add

role_path "<node_work_path>/roles"

Supported queries

The search methods supports a basic sub-set of the lucene query language. Sample supported queries are:

General queries:

search(:users, "*:*")
search(:users)
search(:users, nil)
    getting all items in ':users'
search(:users, "username:*")
search(:users, "username:[* TO *]")
    getting all items from ':users' which have a 'username' attribute
search(:users, "(NOT username:*)")
search(:users, "(NOT username:[* TO *])")
    getting all items from ':users' which don't have a 'username' attribute

Queries on attributes with string values:

search(:users, "username:speedy")
    getting all items from ':users' with username equals 'speedy'
search(:users, "NOT username:speedy")
    getting all items from ':users' with username is unequal to 'speedy'
search(:users, "username:spe*")
    getting all items which 'username'-value begins with 'spe'

Queries on attributes with array values:

search(:users, "children:tom")
    getting all items which 'children' attribute contains 'tom'
search(:users, "children:t*")
    getting all items which have at least one element in 'children'
    which starts with 't'

Queries on attributes with boolean values:

search(:users, "married:true")

Queries in attributes with integer values:

search(:users, "age:35")

OR conditions in queries:

search(:users, "age:42 OR age:22")

AND conditions in queries:

search(:users, "married:true AND age:35")

NOT condition in queries:

search(:users, "children:tom NOT gender:female")

More complex queries:

search(:users, "children:tom NOT gender:female AND age:42")

Supported Objects

The search methods have support for 'roles', 'nodes' and 'databags'.

Roles

You can use the standard role objects in json form and put them into your role path

{
  "name": "monitoring",
  "default_attributes": { },
  "override_attributes": { },
  "json_class": "Chef::Role",
  "description": "This is just a monitoring role, no big deal.",
      "run_list": [
      ],
  "chef_type": "role"

Nodes

Nodes are injected through a databag called 'node'. Create a databag called 'node' and put your json files there You can use the standard node objects in json form.

{
  "id": "vagrant",
  "name": "vagrant-vm",
  "chef_environment": "_default",
  "json_class": "Chef::Node",
  "automatic": {
    "hostname": "vagrant.vm",
    "os": "centos"
  },
  "normal": {
  },
  "chef_type": "node",
  "default": {
  },
  "override": {
  },
  "run_list": [
    "role[monitoring]"
  ]
}

Databags

You can use the standard databag objects in json form

{
  "id": "my-ssh",
  "hostgroup_name": "all",
  "command_line": "$USER1$/check_ssh $HOSTADDRESS$"
}

Running tests

Running tests is as simple as:

% ruby -Ilibraries tests/test_search.rb -v

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