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36 lines
1.4 KiB
36 lines
1.4 KiB
namespace :cartodb do
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namespace :database_host do
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desc 'Change database host for users and update metadata'
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task :update_dbm_and_redis, [:origin_ip, :dest_ip] => [:environment] do |_, args|
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raise 'Origin IP parameter is mandatory' unless args[:origin_ip].present?
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raise 'Destination IP parameter is mandatory' unless args[:dest_ip].present?
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affected_users = ::User.where(database_host: args[:origin_ip]).count
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# think about message
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reflection_seconds = ENV['ENABLE_FF_REFLECTION_SECONDS'] || 10
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puts "############################"
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puts "#"
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puts "# The database_host of #{affected_users} users will be updated"
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puts "#"
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puts "# Origin IP: #{args[:origin_ip]}"
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puts "# Destination IP: #{args[:dest_ip]}"
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puts "#"
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puts "# You have #{reflection_seconds} seconds to cancel "
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puts "# the task before it starts"
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puts "#"
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puts "############################"
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sleep reflection_seconds.to_i
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# update dbm without ORM
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dbm_query = "UPDATE users SET database_host='%s' WHERE database_host='%s'"
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query = ActiveRecord::Base.send(:sanitize_sql_array, [dbm_query, args[:dest_ip], args[:origin_ip]])
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ActiveRecord::Base.connection.execute(query)
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# update Redis
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::User.where(database_host: args[:dest_ip]).order(:id).paged_each(&:save_metadata)
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end
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end
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end
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