Class: ActiveRecord::SqlAnalyzer::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/active_record/sql_analyzer/cli.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/active_record/sql_analyzer/cli.rb', line 6

def initialize
  @options = {
    concurrency: 6
  }
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/active_record/sql_analyzer/cli.rb', line 4

def options
  @options
end

#processor ⇒ Object (readonly)

Returns the value of attribute processor.



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# File 'lib/active_record/sql_analyzer/cli.rb', line 4

def processor
  @processor
end

Instance Method Details

#parse_options(args) ⇒ Object 



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# File 'lib/active_record/sql_analyzer/cli.rb', line 38

def parse_options(args)
  opts = OptionParser.new

  opts.on("--log-dir [DIR]", String, "Directory that logs are in") do |val|
    unless Dir.exist?(val)
      raise ArgumentError, "log directory '#{val}' does not exist"
    end

    options[:log_dir] = val
  end

  opts.on("--dest-dir [DIR]", String, "Directory to dump logs to") do |val|
    unless Dir.exist?(val)
      raise ArgumentError, "dest directory '#{val}' does not exist"
    end

    options[:dest_dir] = val
  end

  opts.on("-c", "--concurrency", Integer, "How many threads to use for processing log files") do |val|
    if val <= 0
      raise ArgumentError, "Concurrency must be >0"
    end

    options[:concurrency] = val
  end

  opts.on_tail("-h", "--help") do
    puts opts
    exit
  end

  opts.parse(args)
end

#run ⇒ Object 



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# File 'lib/active_record/sql_analyzer/cli.rb', line 16

def run
  definition_logs = Dir["#{options[:log_dir]}/*_definitions.log*"].map do |path|
    [File.basename(path).gsub(/_definitions\.log.*/, ""), path]
  end

  if definition_logs.empty?
    raise ArgumentError, "Cannot find any log files in '#{options[:log_dir]}'"
  end

  # Process the definition logs
  processor.run_definition(definition_logs)

  # Process the usage logs
  usage_logs = Dir["#{options[:log_dir]}/{#{definition_logs.map(&:first).uniq.join(",")}}.log*"].map do |path|
    [File.basename(path).split(".", 2).first, path]
  end

  processor.run_usage(usage_logs)

  processor.dump(options[:dest_dir])
end