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cluster-search (9) Versions 1.1.0

Library to help searching cluster nodes in Chef cookbooks

Policyfile
Berkshelf
Knife
cookbook 'cluster-search', '= 1.1.0', :supermarket
cookbook 'cluster-search', '= 1.1.0'
knife supermarket install cluster-search
knife supermarket download cluster-search
README
Dependencies
Changelog
Quality 100%

Cluster Search

Description

Cluster Search (cluster-search) is a simple cookbook library which simplify
the search of members of a cluster. It relies on Chef search with a size guard
(to avoid inconsistencies during initial convergence) and allows a fall-back
to hostname listing if user does not want to rely on searches (because of
chef-solo for example).

Requirements

None. Should work on any platform.

Usage

First, call ::Chef::Recipe.send(:include, ClusterSearch) to be able to use
cluster_search in your recipe.

Then method cluster_search take one argument, a hash which could contain:

  • role and size to use search. Ex: { role: my_search, size: 2 }
  • or hosts to use a static list. Ex: { hosts: [ some_node ] }

If both are defined, hosts is used.

It returns the list of the members of a cluster hosts and current node ID
my_id for this cluster (or -1 it is not a member).

For search, we suppose that all members of a cluster have a common role in
their run-list. For instance, all zookeeper nodes of a dedicated cluster for
kafka could use role zookeeper-kafka. By defining role to
zookeeper-kafka and configuring size to the expected size of the cluster,
we can find all the cluster members.

We can find input/output examples (used for test cases) in file
.kitchen.yml.

Libraries

default

Implements cluster_search method.

Recipes

default

Recipe used for testing.

Changelog

Available in [CHANGELOG](CHANGELOG).

Contributing

Please read carefully [CONTRIBUTING.md](CONTRIBUTING.md) before making a merge
request.

License and Author

Copyright (c) 2015-2016 Sam4Mobile

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

aerospike-platform Applicable Versions
cassandra-platform Applicable Versions
cockroachdb-platform Applicable Versions
confluent-platform Applicable Versions
consul-platform Applicable Versions
docker-platform Applicable Versions
galera-platform Applicable Versions
glusterfs Applicable Versions
imply-platform Applicable Versions
iptables-services Applicable Versions
ping-exporter Applicable Versions
prometheus-platform Applicable Versions
rundeck-wrapper Applicable Versions
spark-platform Applicable Versions
storm-platform Applicable Versions
zookeeper-platform Applicable Versions

Changelog

1.1.0

Misc:
- Switch kitchen driver to docker_cli
- Fix all rubocop offenses
- Add Apache 2 License file
- Move changelog and contributing section from README to external files
- Clean headers

1.0.0

  • Initial version, tested with full kitchen suites

Foodcritic Metric
            

1.1.0 passed this metric