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Forked from jarosan/elasticsearch.rake
Created August 14, 2012 18:20
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Elasticsearch reindex task
# Run with: rake environment elasticsearch:reindex
namespace :elasticsearch do
desc "re-index elasticsearch"
task :reindex => :environment do
klass = Place
ENV['CLASS'] = klass.name
ENV['INDEX'] = new_index = klass.tire.index.name << '_' << Time.now.strftime('%Y%m%d%H%M%S')
Rake::Task["tire:import"].invoke
puts '[IMPORT] about to swap index'
if a = Tire::Alias.find(klass.tire.index.name)
puts "[IMPORT] aliases found: #{Tire::Alias.find(klass.tire.index.name).indices.to_ary.join(',')}. deleting."
old_indices = Tire::Alias.find(klass.tire.index.name).indices
old_indices.each do |index|
a.indices.delete index
end
a.indices.add new_index
a.save
old_indices.each do |index|
puts "[IMPORT] deleting index: #{index}"
i = Tire::Index.new(index)
i.delete if i.exists?
end
else
puts "[IMPORT] no aliases found. deleting index. creating new one and setting up alias."
klass.tire.index.delete
a = Tire::Alias.new
a.name(klass.tire.index.name)
a.index(new_index)
a.save
end
puts "[IMPORT] done. Index: '#{new_index}' created."
end
end
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