68 lines
2.4 KiB
Ruby
68 lines
2.4 KiB
Ruby
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require "open3"
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desc "Tools to save and import DTI's public modeling data"
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namespace :public_data do
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desc "Save the local database's public data to a local file"
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task :commit, [:name] => :environment do |_, args|
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if Rails.env.development?
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puts "NOTE: The `public_data:commit` task is primarily meant to be " +
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"run in production, to create public data files we can copy to our " +
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"development machines via `public_data:pull`. I'll still run it " +
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"locally and save to #{Rails.configuration.public_data_root}, though!"
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end
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config = ApplicationRecord.connection_db_config.configuration_hash
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# Generate a filename from the current time, and the option name argument
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# provided to the command (e.g. `rails public_data:commit[scheduled]`).
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timestamp = Time.now.utc.iso8601.gsub(':', '_')
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name = args.fetch(:name, "manual")
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filename = "#{timestamp}-#{name}.sql.gz"
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dest_path = Rails.configuration.public_data_root / filename
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args = []
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# The connection details for our database!
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args << "--host=#{config[:host]}" if config[:host]
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args << "--user=#{config[:username]}" if config[:username]
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args << "--password=#{config[:password]}" if config[:password]
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# Don't lock the database to do it!
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args << "--single-transaction"
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# Dump the public data tables from the primary database.
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args << config.fetch(:database)
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args += %w(species colors zones) # manual constants
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args += %w(alt_styles items parents_swf_assets pet_states pet_types
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swf_assets) # from modeling
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# Set up a shell, and register the commands we need.
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Shell.def_system_command("mysqldump")
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Shell.def_system_command("gzip")
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sh = Shell.new
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# Ensure the output directory exists.
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dest_path.dirname.mkpath
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# Run mysqldump, pipe it into gzip, and output to the destination file.
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sh.mysqldump(*args) | sh.gzip("-c") > dest_path.to_s
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puts "Saved dump to #{dest_path}"
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# Link this latest dump as `latest.sql.gz`.
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latest_path = Rails.configuration.public_data_root / "latest.sql.gz"
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File.unlink(latest_path) if File.exist?(latest_path)
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File.symlink(dest_path, latest_path)
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puts "Linked dump to #{latest_path}"
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end
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desc "Pull and import the latest public data from production (dev only)"
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task :pull do
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unless Rails.env.development?
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raise "Can only pull public data in development mode! This helps us " +
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"ensure we won't overwrite the production database accidentally."
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end
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raise NotImplementedError, "TODO!"
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end
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end
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