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hbase (1) Versions 0.1.0

Installs/Configures hbase using a Databag for configuration. Expects Hadoop to be set up with the hadoop_for_hbase recipe

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cookbook 'hbase', '~> 0.1.0'
cookbook 'hbase', '~> 0.1.0'
knife cookbook site install hbase
knife cookbook site download hbase
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= DESCRIPTION: Along with the Hadoop Cookbook, builds a HBase / Hadoop Cluster suitable for using with Map/Reduce and HBase. It is a literal translation of the ec2scripts in the HBase contrib of HBase 0.20.x. This HBase Cookbook assumes its part of an HBase / Hadoop Cluster and has many databag or attribute elements based on HBase. It assumes that the HBase Master and the Hadoop Primary, Secondary Nameservers are the same machine and that HBase Regionservers and Hadoop slaves are also together. (TODO: Make at least the secondary Nameserver on another machine). Having multiple Zookeepers on other machines than the HBase Master has not been tested. This should be refactored to be independent and support more flexible layouts of the cluster, but not by me for now. Or more likely into a single HBase recipe similar to the single Database cookbook that goes with the new Opscode Application / Database meta cookbooks. It is driven by Databags more than Attributes and is designed to be tied to an Application via databag item[s] in the apps databag. = REQUIREMENTS: * hadoop * java = ATTRIBUTES: * app_environment - Should be set to the runtime environment, such as testing, staging or production. These can be set in a role named for the environment and included as a role in the run_list. = USAGE: == ROLES: Create an hbase_master role with the following recipes: "ulimits", "hadoop", "hadoop::master", "hbase", "hbase::master" Create an hbase_regionserver role with the following recipes: "ulimits", "hadoop", "hadoop::slave", "hbase", "hbase::regionserver" Both roles should have the ulimits_list along the lines: override_attributes({ "ulimits_list" => [ { :domain => "hadoop", :type => "soft", :item => "nofile", :value => 32768 }, { :domain => "hadoop", :type => "hard", :item => "nofile", :value => 32768 } ] }) == DATABAG There should be one or more databag items in the apps databag that links the HBase cluster to an application. The HBase/Hadoop cookbooks expect the following attributes in one or more items in the apps databag: * zookeeper_role - Set it to the role[s] that will be the zookeepers[s]. It can be the same as hbase masters and hbase regionservers or separate server[s] * hbase_master_role - Set it to the role[s] that will be the hbase master[s] * hbase_regionserver_role - Set it to the role[s] that will be the hbase regionservers * hadoop_master_role - Set it to the role that will be the hadoo master (Usually the same as the hbase maste) * hadoop_slave_role - Set it to the role[s] that will be the hadoop slaves (Usually the same as the hbase regionservers) Example Where there are only two instance roles being assigned to all meta roles: "zookeeper_role": [ "hbase_master" ], "hbase_regionserver_role": [ "hbase_regionserver" ], "hbase_master_role": [ "hbase_master" ], "hadoop_slave_role": [ "hbase_regionserver" ], "hadoop_master_role": [ "hbase_master" ] There are also json objects for the following to configure templates and things: * hadoop ** home ** top ** user_home ** user ** group ** revision *** production *** staging *** testing An example: "hadoop": { "home": "/mnt/hadoop", "top": "/mnt", "user_home": "/home/hadoop", "user": "hadoop", "group": "hadoop", "revision": { "production": "0.20.1", "staging": "0.20.1", "testing": "0.20.1" } } * hbase ** home ** top ** revision *** production *** staging *** testing An example: "hbase": { "home": "/mnt/hbase", "top": "/mnt", "revision": { "production": "0.20.3", "staging": "0.20.3", "testing": "0.20.3" } } * zookeeper ** home ** top ** revision *** production *** staging *** testing An example: "zookeeper": { "revision": { "production": "3.2.1", "staging": "3.2.1", "testing": "3.2.1" } } == RUNTIME The recipe creates startup files in /etc/init.d * hadoop_master * hadoop_datanode * hadoop_tasktracker * hbase_master * hbase_regionserver /etc/init.d/hadoop start or stop on the master, it will start or stop all the hadoop daemons for all the nodes in the cluster. Same with /etc/init.d/hbase start or stop on the master.

Dependent cookbooks

hadoop >= 0.0.0
java >= 0.0.0

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

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