Class: DataDuck::Commands
- Inherits:
-
Object
- Object
- DataDuck::Commands
- Defined in:
- lib/dataduck/commands.rb
Defined Under Namespace
Classes: Namespace
Class Method Summary collapse
- .acceptable_commands ⇒ Object
- .c ⇒ Object
- .console ⇒ Object
- .d(where = "destination") ⇒ Object
- .dbconsole(where = "destination") ⇒ Object
- .etl(*table_names_underscore) ⇒ Object
- .help ⇒ Object
- .prompt_choices(choices = []) ⇒ Object
- .quickstart ⇒ Object
- .quickstart_create_schedule_config ⇒ Object
- .quickstart_create_table(table_name, db) ⇒ Object
- .quickstart_register_email(email) ⇒ Object
- .quickstart_save_file(output_path_full, contents) ⇒ Object
- .quickstart_update_gitignore ⇒ Object
- .recreate(table_name) ⇒ Object
- .route_command(args) ⇒ Object
- .show(table_name = nil) ⇒ Object
Class Method Details
.acceptable_commands ⇒ Object
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# File 'lib/dataduck/commands.rb', line 36 def self.acceptable_commands ['c', 'console', 'd', 'dbconsole', 'etl', 'quickstart', 'recreate', 'show'] end |
.c ⇒ Object
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# File 'lib/dataduck/commands.rb', line 58 def self.c self.console end |
.console ⇒ Object
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# File 'lib/dataduck/commands.rb', line 62 def self.console require "irb" ARGV.clear IRB.start end |
.d(where = "destination") ⇒ Object
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# File 'lib/dataduck/commands.rb', line 68 def self.d(where = "destination") self.dbconsole(where) end |
.dbconsole(where = "destination") ⇒ Object
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# File 'lib/dataduck/commands.rb', line 72 def self.dbconsole(where = "destination") which_database = nil if where == "destination" which_database = DataDuck::Destination.only_destination elsif where == "source" which_database = DataDuck::Source.only_source else found_source = DataDuck::Source.source(where, true) found_destination = DataDuck::Destination.destination(where, true) if found_source && found_destination raise ArgumentError.new("Ambiguous call to dbconsole for #{ where } since there is both a source and destination named #{ where }.") end which_database = found_source if found_source which_database = found_destination if found_destination end if which_database.nil? raise ArgumentError.new("Could not find database '#{ where }'") end puts "Connecting to #{ where }..." which_database.dbconsole end |
.etl(*table_names_underscore) ⇒ Object
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# File 'lib/dataduck/commands.rb', line 97 def self.etl(*table_names_underscore) if table_names_underscore.length == 0 puts "You need to specify a table name or 'all'. Usage: dataduck etl all OR datduck etl my_table_name" return end only_destination = DataDuck::Destination.only_destination etl = nil if table_names_underscore.length == 1 && table_names_underscore[0] == "all" etl = ETL.new(destinations: [only_destination], autoload_tables: true) else tables = [] table_names_underscore.each do |table_name| table_name_camelized = DataDuck::Util.underscore_to_camelcase(table_name) require DataDuck.project_root + "/src/tables/#{ table_name }.rb" table_class = Object.const_get(table_name_camelized) if !(table_class <= DataDuck::Table) raise "Table class #{ table_name_camelized } must inherit from DataDuck::Table" end table = table_class.new tables << table end etl = ETL.new({ destinations: [only_destination], autoload_tables: false, tables: tables }) end etl.process! if etl.errored? exit(1) end end |
.help ⇒ Object
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# File 'lib/dataduck/commands.rb', line 133 def self.help puts "Usage: dataduck commandname" puts "Commands: #{ acceptable_commands.sort.join(' ') }" end |
.prompt_choices(choices = []) ⇒ Object
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# File 'lib/dataduck/commands.rb', line 21 def self.prompt_choices(choices = []) while true print "Enter a number 0 - #{ choices.length - 1}\n" choices.each_with_index do |choice, idx| choice_name = choice.is_a?(String) ? choice : choice[1] print "#{ idx }: #{ choice_name }\n" end choice = STDIN.gets.strip.to_i if 0 <= choice && choice < choices.length selected = choices[choice] return selected.is_a?(String) ? selected : selected[0] end end end |
.quickstart ⇒ Object
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# File 'lib/dataduck/commands.rb', line 193 def self.quickstart puts "Welcome to DataDuck!" puts "This quickstart wizard will help you set up DataDuck." puts "What is your work email address?" email = STDIN.gets.strip self.quickstart_register_email(email) puts "What kind of database would you like to source from?" db_type = prompt_choices([ [:mysql, "MySQL"], [:postgresql, "PostgreSQL"], [:other, "other"], ]) if db_type == :other puts "You've selected 'other'. Unfortunately, those are the only choices supported at the moment. Contact us at DataDuckETL.com to request support for your database." exit end puts "Enter the source hostname:" source_host = STDIN.gets.strip puts "Enter the name of the database when connecting to #{ source_host }:" source_database = STDIN.gets.strip puts "Enter the source's port:" source_port = STDIN.gets.strip.to_i puts "Enter the username:" source_username = STDIN.gets.strip puts "Enter the password:" source_password = STDIN.noecho(&:gets).chomp db_class = { mysql: DataDuck::MysqlSource, postgresql: DataDuck::PostgresqlSource, }[db_type] db_source = db_class.new("source1", { 'db_type' => db_type.to_s, 'host' => source_host, 'database' => source_database, 'port' => source_port, 'username' => source_username, 'password' => source_password, }) puts "Connecting to source database..." table_names = db_source.table_names puts "Connection successful. Detected #{ table_names.length } tables." puts "Creating scaffolding..." table_names.each do |table_name| begin DataDuck::Commands.quickstart_create_table(table_name, db_source) rescue end end config_obj = { 'users' => { email => { 'admin' => true } }, 'sources' => { 'source1' => { 'type' => db_type.to_s, 'host' => source_host, 'database' => source_database, 'port' => source_port, 'username' => source_username, } }, 'destinations' => { 'destination1' => { 'type' => 'redshift', 's3_bucket' => 'YOUR_BUCKET', 's3_region' => 'YOUR_BUCKET_REGION', 'host' => 'redshift.somekeygoeshere.us-west-2.redshift.amazonaws.com', 'port' => 5439, 'database' => 'main', 'schema' => 'public', 'username' => 'YOUR_UESRNAME', } } } DataDuck::Commands.quickstart_save_file("#{ DataDuck.project_root }/config/base.yml", config_obj.to_yaml) DataDuck::Commands.quickstart_save_file("#{ DataDuck.project_root }/.env", """ destination1_aws_key=AWS_KEY_GOES_HERE destination1_aws_secret=AWS_SECRET_GOES_HERE destination1_password=REDSHIFT_PASSWORD_GOES_HERE source1_password=#{ source_password } """.strip) DataDuck::Commands.quickstart_update_gitignore puts "Quickstart complete!" puts "You still need to edit your .env and config/base.yml files with your AWS and Redshift credentials." puts "Run your ETL with: dataduck etl all" puts "For more help, visit http://dataducketl.com/docs" end |
.quickstart_create_schedule_config ⇒ Object
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# File 'lib/dataduck/commands.rb', line 327 def self.quickstart_create_schedule_config namespace = Namespace.new template = File.open("#{ DataDuck.gem_root }/lib/templates/quickstart/schedule.rb.erb", 'r').read result = ERB.new(template).result(namespace.get_binding) DataDuck::Commands.quickstart_save_file("#{ DataDuck.project_root }/config/schedule.rb", result) end |
.quickstart_create_table(table_name, db) ⇒ Object
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# File 'lib/dataduck/commands.rb', line 307 def self.quickstart_create_table(table_name, db) columns = [] schema = db.schema(table_name) schema.each do |property_schema| property_name = property_schema[0] property_type = property_schema[1][:type] commented_out = ['ssn', 'socialsecurity', 'password', 'encrypted_password', 'salt', 'password_salt', 'pw'].include?(property_name.to_s.downcase) columns << [property_name.to_s, property_type.to_s, commented_out] end columns.sort! { |a, b| a[0] <=> b[0] } table_name = table_name.to_s.downcase table_name_camelcased = table_name.split('_').collect(&:capitalize).join namespace = Namespace.new(table_name_camelcased: table_name_camelcased, table_name: table_name, columns: columns) template = File.open("#{ DataDuck.gem_root }/lib/templates/quickstart/table.rb.erb", 'r').read result = ERB.new(template).result(namespace.get_binding) DataDuck::Commands.quickstart_save_file("#{ DataDuck.project_root }/src/tables/#{ table_name }.rb", result) end |
.quickstart_register_email(email) ⇒ Object
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# File 'lib/dataduck/commands.rb', line 173 def self.quickstart_register_email(email) registration_data = { email: email, version: DataDuck::VERSION, source: "quickstart" } request = Typhoeus::Request.new( "dataducketl.com/api/v1/register", method: :post, body: registration_data, timeout: 30, connecttimeout: 10, ) hydra = Typhoeus::Hydra.new hydra.queue(request) hydra.run end |
.quickstart_save_file(output_path_full, contents) ⇒ Object
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# File 'lib/dataduck/commands.rb', line 334 def self.quickstart_save_file(output_path_full, contents) *output_path, output_filename = output_path_full.split('/') output_path = output_path.join("/") FileUtils::mkdir_p(output_path) output = File.open(output_path_full, "w") output << contents output.close end |
.quickstart_update_gitignore ⇒ Object
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# File 'lib/dataduck/commands.rb', line 298 def self.quickstart_update_gitignore main_gitignore_path = "#{ DataDuck.project_root }/.gitignore" FileUtils.touch(main_gitignore_path) output = File.open(main_gitignore_path, "w") output << ".DS_Store\n" output << ".env\n" output.close end |
.recreate(table_name) ⇒ Object
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# File 'lib/dataduck/commands.rb', line 138 def self.recreate(table_name) table_name_camelized = DataDuck::Util.underscore_to_camelcase(table_name) require DataDuck.project_root + "/src/tables/#{ table_name }.rb" table_class = Object.const_get(table_name_camelized) if !(table_class <= DataDuck::Table) raise "Table class #{ table_name_camelized } must inherit from DataDuck::Table" end table = table_class.new table.recreate!(DataDuck::Destination.only_destination) end |
.route_command(args) ⇒ Object
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# File 'lib/dataduck/commands.rb', line 40 def self.route_command(args) if args.length == 0 return DataDuck::Commands.help end command = args[0] if !Commands.acceptable_commands.include?(command) puts "No such command: #{ command }" return DataDuck::Commands.help end begin DataDuck::Commands.public_send(command, *args[1..-1]) rescue => err DataDuck::Logs.error(err) end end |
.show(table_name = nil) ⇒ Object
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# File 'lib/dataduck/commands.rb', line 149 def self.show(table_name = nil) if table_name.nil? Dir[DataDuck.project_root + "/src/tables/*.rb"].each do |file| table_name_underscores = file.split("/").last.gsub(".rb", "") table_name_camelized = DataDuck::Util.underscore_to_camelcase(table_name_underscores) require file table = Object.const_get(table_name_camelized) if table <= DataDuck::Table puts table_name_underscores end end else table_name_camelized = DataDuck::Util.underscore_to_camelcase(table_name) require DataDuck.project_root + "/src/tables/#{ table_name }.rb" table_class = Object.const_get(table_name_camelized) if !(table_class <= DataDuck::Table) raise "Table class #{ table_name_camelized } must inherit from DataDuck::Table" end table = table_class.new table.show end end |