Contents

# encoding: UTF-8
# frozen_string_literal: true

require 'nrser/refinements/types'
using NRSER::Types


# Namespace
# =======================================================================

module  Locd
module  CLI
module  Command


# Definitions
# =======================================================================

class Agent < Base

  desc              'tail [OPTIONS] PATTERN [-- TAIL_OPTIONS]',
                    "Tail agent logs"
  
  include_shared    t[ groups: :pattern ]
  
  option            :stream,
                    desc: "Stream to tail. May omit if uses single log file.",
                    aliases: ['-s'],
                    type: :string,
                    enum: ['out', 'err']
  
  option            :follow,
                    desc: "Run with `tail -F`",
                    aliases: [ 'f', 'F' ],
                    type: :boolean
  
  def tail          *tail_options
    agent = find_only! pattern
    
    path = case options[:stream]
    when nil
      paths = agent.log_paths
      
      unless paths.length == 1
        raise Thor::RequiredArgumentMissingError.new binding.erb <<~END
          Agent `<%= agent.label %>` has multiple log files.
          
          out: <%= agent.out_path.to_s %>
          err: <%= agent.err_path.to_s %>
          
          Must specify one via the `--stream` option.
          
        END
      end
      
      paths[0]
      
    when 'out'
      agent.out_path
      
    when 'err'
      agent.err_path
      
    else
      raise "WTF"
    end
    
    cmd = ['tail']
    cmd += ['-F'] if options[:follow]
    
    exec *cmd, *tail_options, path.to_s
  end # #tail

end


# /Namespace
# =======================================================================

end # module  Command
end # module  CLI
end # module  Locd

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
locd-0.1.13	lib/locd/cli/command/agent/tail.rb