Module: Chef::Knife::HadoopBase
- Included in:
- HadoopHdfsCreate, HadoopHdfsList, HadoopHdfsSnapshot, HadoopHdfsUpdate, HadoopMapredJobKill, HadoopMapredJobList, HadoopSetup
- Defined in:
- lib/chef/knife/hadoop_base.rb
Class Method Summary collapse
Instance Method Summary collapse
- #db_connection ⇒ Object
- #hdfs_connection ⇒ Object
- #locate_config_value(key) ⇒ Object
- #msg_pair(label, value, color = :cyan) ⇒ Object
Class Method Details
.included(includer) ⇒ Object
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# File 'lib/chef/knife/hadoop_base.rb', line 29 def self.included(includer) includer.class_eval do deps do require 'readline' require 'chef/json_compat' end option :namenode_username, :short => "-U USERNAME", :long => "--namenode-username USERNAME", :description => "NameNode Username", :proc => Proc.new { |key| Chef::Config[:knife][:namenode_username] = key } option :namenode_password, :short => "-P PASSWORD", :long => "--namenode-password PASSWORD", :description => "NameNode password", :proc => Proc.new { |key| Chef::Config[:knife][:namenode_password] = key } option :namenode_host, :short => "-H HOST", :long => "--namenode-host HOST", :description => "NameNode FQDN or IP address", :proc => Proc.new { |endpoint| Chef::Config[:knife][:namenode_host] = endpoint } option :namenode_port, :short => "-A PORT", :long => "--namenode-port PORT", :description => "NameNode port", :proc => Proc.new { |key| Chef::Config[:knife][:namenode_port] = key } option :db_type, :short => "-T DATABASETYPE", :long => "--database-type DATABASETYPE", :description => "PostgreSQL or Sqlite Database to use for Hadoop Management Data", :proc => Proc.new { |key| Chef::Config[:knife][:db] = key } option :db, :short => "-D DATABASE", :long => "--database DATABASE", :description => "PostgreSQL Database to use for Hadoop Management Data", :proc => Proc.new { |key| Chef::Config[:knife][:db] = key } option :db_username, :short => "-B DBUSERNAME", :long => "--db-username DBUSERNAME", :description => "PostgreSQL DB Username", :proc => Proc.new { |key| Chef::Config[:knife][:db_username] = key } option :db_password, :short => "-C DBPASSWORD", :long => "--db-password DBPASSWORD", :description => "PostgreSQL DB Password", :proc => Proc.new { |key| Chef::Config[:knife][:db_password] = key } option :db_host, :short => "-I DBHOST", :long => "--db-host DBHOST", :description => "PostgreSQL DB Host", :proc => Proc.new { |key| Chef::Config[:knife][:db_host] = key } end end |
Instance Method Details
#db_connection ⇒ Object
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# File 'lib/chef/knife/hadoop_base.rb', line 106 def db_connection Chef::Log.debug("db_type: #{Chef::Config[:knife][:db_type]}") Chef::Log.debug("db: #{Chef::Config[:knife][:db]}") Chef::Log.debug("db_username: #{Chef::Config[:knife][:db_username]}") Chef::Log.debug("db_password: #{Chef::Config[:knife][:db_password]}") Chef::Log.debug("db_host: #{Chef::Config[:knife][:db_host]}") db_type = "#{Chef::Config[:knife][:db_type]}".downcase case db_type when 'postgres' @db_connection ||= begin db_connection = Sequel.connect("postgres://#{Chef::Config[:knife][:db_username]}"+':'+ "#{Chef::Config[:knife][:db_password]}"+'@'+ "#{Chef::Config[:knife][:db_host]}"+'/'+ "#{Chef::Config[:knife][:db]}") end when 'sqlite' @db_connection ||= begin db_dir = Dir.mkdir(File. "~/.db/") db_connection = Sequel.sqlite("#{db_dir}/" + "#{Chef::Config[:knife][:db]}") end end end |
#hdfs_connection ⇒ Object
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# File 'lib/chef/knife/hadoop_base.rb', line 94 def hdfs_connection Chef::Log.debug("username: #{Chef::Config[:knife][:namenode_username]}") Chef::Log.debug("password: #{Chef::Config[:knife][:namenode_password]}") Chef::Log.debug("host: #{Chef::Config[:knife][:namenode_host]}") Chef::Log.debug("port: #{Chef::Config[:knife][:namenode_port]}") @hdfs_connection ||= begin hdfs_connection = WebHDFS::Client.new("#{Chef::Config[:knife][:namenode_host]}", "#{Chef::Config[:knife][:namenode_port]}", "#{Chef::Config[:knife][:namenode_username]}") end end |
#locate_config_value(key) ⇒ Object
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# File 'lib/chef/knife/hadoop_base.rb', line 130 def locate_config_value(key) key = key.to_sym Chef::Config[:knife][key] || config[key] end |
#msg_pair(label, value, color = :cyan) ⇒ Object
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# File 'lib/chef/knife/hadoop_base.rb', line 135 def msg_pair(label, value, color=:cyan) if value && !value.to_s.empty? puts "#{ui.color(label, color)}: #{value}" end end |