instance method logs

# File lib/kamal/cli/app.rb, line 207
  def logs
    # FIXME: Catch when app containers aren't running

    grep = options[:grep]
    grep_options = options[:grep_options]
    since = options[:since]
    container_id = options[:container_id]
    timestamps = !options[:skip_timestamps]

    if options[:follow]
      lines = options[:lines].presence || ((since || grep) ? nil : 10) # Default to 10 lines if since or grep isn't set

      run_locally do
        info "Following logs on #{KAMAL.primary_host}..."

        KAMAL.specific_roles ||= [ KAMAL.primary_role.name ]
        role = KAMAL.roles_on(KAMAL.primary_host).first

        app = KAMAL.app(role: role, host: host)
        info app.follow_logs(host: KAMAL.primary_host, container_id: container_id, timestamps: timestamps, lines: lines, grep: grep, grep_options: grep_options)
        exec app.follow_logs(host: KAMAL.primary_host, container_id: container_id, timestamps: timestamps, lines: lines, grep: grep, grep_options: grep_options)
      end
    else
      lines = options[:lines].presence || ((since || grep) ? nil : 100) # Default to 100 lines if since or grep isn't set

      on(KAMAL.hosts) do |host|
        roles = KAMAL.roles_on(host)

        roles.each do |role|
          begin
            puts_by_host host, capture_with_info(*KAMAL.app(role: role, host: host).logs(container_id: container_id, timestamps: timestamps, since: since, lines: lines, grep: grep, grep_options: grep_options))
          rescue SSHKit::Command::Failed
            puts_by_host host, "Nothing found"
          end
        end
      end
    end
  end