path: root/lib/chef/provider/windows_task.rb

#
# Author:: Nimisha Sharad (<nimisha.sharad@msystechnologies.com>)
# Copyright:: Copyright 2008-2019, Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require_relative "../mixin/shell_out"
require "rexml/document" unless defined?(REXML::Document)
require "iso8601" if ChefUtils.windows?
require_relative "../mixin/powershell_out"
require_relative "../provider"
require_relative "../util/path_helper"
require "win32/taskscheduler" if ChefUtils.windows?

class Chef
  class Provider
    class WindowsTask < Chef::Provider
      include Chef::Mixin::ShellOut
      include Chef::Mixin::PowershellOut

      if ChefUtils.windows?
        include Win32

        provides :windows_task

        MONTHS = {
          JAN: TaskScheduler::JANUARY,
          FEB: TaskScheduler::FEBRUARY,
          MAR: TaskScheduler::MARCH,
          APR: TaskScheduler::APRIL,
          MAY: TaskScheduler::MAY,
          JUN: TaskScheduler::JUNE,
          JUL: TaskScheduler::JULY,
          AUG: TaskScheduler::AUGUST,
          SEP: TaskScheduler::SEPTEMBER,
          OCT: TaskScheduler::OCTOBER,
          NOV: TaskScheduler::NOVEMBER,
          DEC: TaskScheduler::DECEMBER,
        }.freeze

        DAYS_OF_WEEK = { MON: TaskScheduler::MONDAY,
                         TUE: TaskScheduler::TUESDAY,
                         WED: TaskScheduler::WEDNESDAY,
                         THU: TaskScheduler::THURSDAY,
                         FRI: TaskScheduler::FRIDAY,
                         SAT: TaskScheduler::SATURDAY,
                         SUN: TaskScheduler::SUNDAY }.freeze

        WEEKS_OF_MONTH = {
          FIRST: TaskScheduler::FIRST_WEEK,
          SECOND: TaskScheduler::SECOND_WEEK,
          THIRD: TaskScheduler::THIRD_WEEK,
          FOURTH: TaskScheduler::FOURTH_WEEK,
        }.freeze

        DAYS_OF_MONTH = {
          1 => TaskScheduler::TASK_FIRST,
          2 => TaskScheduler::TASK_SECOND,
          3 => TaskScheduler::TASK_THIRD,
          4 => TaskScheduler::TASK_FOURTH,
          5 => TaskScheduler::TASK_FIFTH,
          6 => TaskScheduler::TASK_SIXTH,
          7 => TaskScheduler::TASK_SEVENTH,
          8 => TaskScheduler::TASK_EIGHTH,
          9 => TaskScheduler::TASK_NINETH,
          10 => TaskScheduler::TASK_TENTH,
          11 => TaskScheduler::TASK_ELEVENTH,
          12 => TaskScheduler::TASK_TWELFTH,
          13 => TaskScheduler::TASK_THIRTEENTH,
          14 => TaskScheduler::TASK_FOURTEENTH,
          15 => TaskScheduler::TASK_FIFTEENTH,
          16 => TaskScheduler::TASK_SIXTEENTH,
          17 => TaskScheduler::TASK_SEVENTEENTH,
          18 => TaskScheduler::TASK_EIGHTEENTH,
          19 => TaskScheduler::TASK_NINETEENTH,
          20 => TaskScheduler::TASK_TWENTIETH,
          21 => TaskScheduler::TASK_TWENTY_FIRST,
          22 => TaskScheduler::TASK_TWENTY_SECOND,
          23 => TaskScheduler::TASK_TWENTY_THIRD,
          24 => TaskScheduler::TASK_TWENTY_FOURTH,
          25 => TaskScheduler::TASK_TWENTY_FIFTH,
          26 => TaskScheduler::TASK_TWENTY_SIXTH,
          27 => TaskScheduler::TASK_TWENTY_SEVENTH,
          28 => TaskScheduler::TASK_TWENTY_EIGHTH,
          29 => TaskScheduler::TASK_TWENTY_NINTH,
          30 => TaskScheduler::TASK_THIRTYETH,
          31 => TaskScheduler::TASK_THIRTY_FIRST,
        }.freeze

        PRIORITY = { "critical" => 0, "highest" => 1,  "above_normal_2" => 2 , "above_normal_3" => 3, "normal_4" => 4,
                     "normal_5" => 5, "normal_6" => 6, "below_normal_7" => 7, "below_normal_8" => 8, "lowest" => 9, "idle" => 10 }.freeze

        def load_current_resource
          @current_resource = Chef::Resource::WindowsTask.new(new_resource.name)
          task = TaskScheduler.new(new_resource.task_name, nil, "\\", false)
          @current_resource.exists = task.exists?(new_resource.task_name)
          if @current_resource.exists
            task.get_task(new_resource.task_name)
            @current_resource.task = task
            pathed_task_name = new_resource.task_name.start_with?('\\') ? new_resource.task_name : "\\#{new_resource.task_name}"
            @current_resource.task_name(pathed_task_name)
          end
          @current_resource
        end

        def action_create
          set_command_and_arguments if new_resource.command

          if current_resource.exists
            logger.trace "#{new_resource} task exist."
            unless (task_needs_update?(current_resource.task)) || (new_resource.force)
              logger.info "#{new_resource} task does not need updating and force is not specified - nothing to do"
              return
            end

            # if start_day and start_time is not set by user current date and time will be set while updating any property
            set_start_day_and_time unless new_resource.frequency == :none
            update_task(current_resource.task)
          else
            basic_validation
            set_start_day_and_time
            converge_by("#{new_resource} task created") do
              task = TaskScheduler.new
              if new_resource.frequency == :none
                task.new_work_item(new_resource.task_name, {}, { user: new_resource.user, password: new_resource.password, interactive: new_resource.interactive_enabled })
                task.activate(new_resource.task_name)
              else
                task.new_work_item(new_resource.task_name, trigger, { user: new_resource.user, password: new_resource.password, interactive: new_resource.interactive_enabled })
              end
              task.application_name = new_resource.command
              task.parameters = new_resource.command_arguments if new_resource.command_arguments
              task.working_directory = new_resource.cwd if new_resource.cwd
              task.configure_settings(config_settings)
              task.configure_principals(principal_settings)
              task.set_account_information(new_resource.user, new_resource.password, new_resource.interactive_enabled)
              task.creator = new_resource.user
              task.description = new_resource.description unless new_resource.description.nil?
              task.activate(new_resource.task_name)
            end
          end
        end

        def action_run
          if current_resource.exists
            logger.trace "#{new_resource} task exists"
            if current_resource.task.status == "running"
              logger.info "#{new_resource} task is currently running, skipping run"
            else
              converge_by("run scheduled task #{new_resource}") do
                current_resource.task.run
              end
            end
          else
            logger.warn "#{new_resource} task does not exist - nothing to do"
          end
        end

        def action_delete
          if current_resource.exists
            logger.trace "#{new_resource} task exists"
            converge_by("delete scheduled task #{new_resource}") do
              ts = TaskScheduler.new
              ts.delete(current_resource.task_name)
            end
          else
            logger.warn "#{new_resource} task does not exist - nothing to do"
          end
        end

        def action_end
          if current_resource.exists
            logger.trace "#{new_resource} task exists"
            if current_resource.task.status != "running"
              logger.trace "#{new_resource} is not running - nothing to do"
            else
              converge_by("#{new_resource} task ended") do
                current_resource.task.stop
              end
            end
          else
            logger.warn "#{new_resource} task does not exist - nothing to do"
          end
        end

        def action_enable
          if current_resource.exists
            logger.trace "#{new_resource} task exists"
            if current_resource.task.status == "not scheduled"
              converge_by("#{new_resource} task enabled") do
                # TODO wind32-taskscheduler currently not having any method to handle this so using schtasks.exe here
                run_schtasks "CHANGE", "ENABLE" => ""
              end
            else
              logger.trace "#{new_resource} already enabled - nothing to do"
            end
          else
            logger.fatal "#{new_resource} task does not exist - nothing to do"
            raise Errno::ENOENT, "#{new_resource}: task does not exist, cannot enable"
          end
        end

        def action_disable
          if current_resource.exists
            logger.info "#{new_resource} task exists"
            if %w{ready running}.include?(current_resource.task.status)
              converge_by("#{new_resource} task disabled") do
                # TODO: in win32-taskscheduler there is no method whcih disbales the task so currently calling disable with schtasks.exe
                run_schtasks "CHANGE", "DISABLE" => ""
              end
            else
              logger.warn "#{new_resource} already disabled - nothing to do"
            end
          else
            logger.warn "#{new_resource} task does not exist - nothing to do"
          end
        end

        alias_method :action_change, :action_create

        private

        # seprated command arguments from :command property
        def set_command_and_arguments
          cmd, *args = Chef::Util::PathHelper.split_args(new_resource.command)
          new_resource.command = cmd
          new_resource.command_arguments = args.join(" ")
        end

        def set_start_day_and_time
          new_resource.start_day = Time.now.strftime("%m/%d/%Y") unless new_resource.start_day
          new_resource.start_time = Time.now.strftime("%H:%M") unless new_resource.start_time
        end

        def update_task(task)
          converge_by("#{new_resource} task updated") do
            task.set_account_information(new_resource.user, new_resource.password, new_resource.interactive_enabled)
            task.application_name = new_resource.command if new_resource.command
            task.parameters = new_resource.command_arguments if new_resource.command_arguments
            task.working_directory = new_resource.cwd if new_resource.cwd
            task.trigger = trigger unless new_resource.frequency == :none
            task.configure_settings(config_settings)
            task.creator = new_resource.user
            task.description = new_resource.description unless new_resource.description.nil?
            task.configure_principals(principal_settings)
          end
        end

        def trigger
          start_month, start_day, start_year = new_resource.start_day.to_s.split("/")
          start_hour, start_minute = new_resource.start_time.to_s.split(":")
          # TODO currently end_month, end_year and end_year needs to be set to 0. If not set win32-taskscheduler throwing nil into integer error.
          trigger_hash = {
            start_year: start_year.to_i,
            start_month: start_month.to_i,
            start_day: start_day.to_i,
            start_hour: start_hour.to_i,
            start_minute: start_minute.to_i,
            end_month: 0,
            end_day: 0,
            end_year: 0,
            trigger_type: trigger_type,
            type: type,
            random_minutes_interval: new_resource.random_delay,
          }

          if new_resource.frequency == :minute
            trigger_hash[:minutes_interval] = new_resource.frequency_modifier
          end

          if new_resource.frequency == :hourly
            minutes = convert_hours_in_minutes(new_resource.frequency_modifier.to_i)
            trigger_hash[:minutes_interval] = minutes
          end

          if new_resource.minutes_interval
            trigger_hash[:minutes_interval] = new_resource.minutes_interval
          end

          if new_resource.minutes_duration
            trigger_hash[:minutes_duration] = new_resource.minutes_duration
          end

          if trigger_type == TaskScheduler::MONTHLYDOW && frequency_modifier_contains_last_week?(new_resource.frequency_modifier)
            trigger_hash[:run_on_last_week_of_month] = true
          else
            trigger_hash[:run_on_last_week_of_month] = false
          end

          if trigger_type == TaskScheduler::MONTHLYDATE && day_includes_last_or_lastday?(new_resource.day)
            trigger_hash[:run_on_last_day_of_month] = true
          else
            trigger_hash[:run_on_last_day_of_month] = false
          end
          trigger_hash
        end

        def frequency_modifier_contains_last_week?(frequency_modifier)
          frequency_modifier = frequency_modifier.to_s.split(",")
          frequency_modifier.map! { |value| value.strip.upcase }
          frequency_modifier.include?("LAST")
        end

        def day_includes_last_or_lastday?(day)
          day = day.to_s.split(",")
          day.map! { |value| value.strip.upcase }
          day.include?("LAST") || day.include?("LASTDAY")
        end

        def convert_hours_in_minutes(hours)
          hours.to_i * 60 if hours
        end

        # TODO : Try to optimize this method
        # known issue : Since start_day and time is not mandatory while updating weekly frequency for which start_day is not mentioned by user idempotency
        # is not gettting maintained as new_resource.start_day is nil and we fetch the day of week from start_day to set and its currently coming as nil and don't match with current_task
        def task_needs_update?(task)
          flag = false
          if new_resource.frequency == :none
            flag = (task.author != new_resource.user ||
            task.application_name != new_resource.command ||
            description_needs_update?(task) ||
            task.parameters != new_resource.command_arguments.to_s ||
            task.principals[:run_level] != run_level ||
            task.settings[:disallow_start_if_on_batteries] != new_resource.disallow_start_if_on_batteries ||
            task.settings[:stop_if_going_on_batteries] != new_resource.stop_if_going_on_batteries ||
            task.settings[:start_when_available] != new_resource.start_when_available)
          else
            current_task_trigger = task.trigger(0)
            new_task_trigger = trigger
            flag = (ISO8601::Duration.new(task.idle_settings[:idle_duration])) != (ISO8601::Duration.new(new_resource.idle_time * 60)) if new_resource.frequency == :on_idle
            flag = (ISO8601::Duration.new(task.execution_time_limit)) != (ISO8601::Duration.new(new_resource.execution_time_limit * 60)) unless new_resource.execution_time_limit.nil?

            # if trigger not found updating the task to add the trigger
            if current_task_trigger.nil?
              flag = true
            else
              flag = true if start_day_updated?(current_task_trigger, new_task_trigger) == true ||
                start_time_updated?(current_task_trigger, new_task_trigger) == true ||
                current_task_trigger[:trigger_type] != new_task_trigger[:trigger_type] ||
                current_task_trigger[:type] != new_task_trigger[:type] ||
                current_task_trigger[:random_minutes_interval].to_i != new_task_trigger[:random_minutes_interval].to_i ||
                current_task_trigger[:minutes_interval].to_i != new_task_trigger[:minutes_interval].to_i ||
                task.author.to_s.casecmp(new_resource.user.to_s) != 0 ||
                task.application_name != new_resource.command ||
                description_needs_update?(task) ||
                task.parameters != new_resource.command_arguments.to_s ||
                task.working_directory != new_resource.cwd.to_s ||
                task.principals[:logon_type] != logon_type ||
                task.principals[:run_level] != run_level ||
                PRIORITY[task.priority] != new_resource.priority ||
                task.settings[:disallow_start_if_on_batteries] != new_resource.disallow_start_if_on_batteries ||
                task.settings[:stop_if_going_on_batteries] != new_resource.stop_if_going_on_batteries ||
                task.settings[:start_when_available] != new_resource.start_when_available
              if trigger_type == TaskScheduler::MONTHLYDATE
                flag = true if current_task_trigger[:run_on_last_day_of_month] != new_task_trigger[:run_on_last_day_of_month]
              end

              if trigger_type == TaskScheduler::MONTHLYDOW
                flag = true if current_task_trigger[:run_on_last_week_of_month] != new_task_trigger[:run_on_last_week_of_month]
              end
            end
          end
          flag
        end

        def start_day_updated?(current_task_trigger, new_task_trigger)
          ( new_resource.start_day && (current_task_trigger[:start_year].to_i != new_task_trigger[:start_year] ||
                    current_task_trigger[:start_month].to_i != new_task_trigger[:start_month] ||
                    current_task_trigger[:start_day].to_i != new_task_trigger[:start_day]) )
        end

        def start_time_updated?(current_task_trigger, new_task_trigger)
          ( new_resource.start_time && ( current_task_trigger[:start_hour].to_i != new_task_trigger[:start_hour] ||
            current_task_trigger[:start_minute].to_i != new_task_trigger[:start_minute] ) )
        end

        def trigger_type
          case new_resource.frequency
            when :once, :minute, :hourly
              TaskScheduler::ONCE
            when :daily
              TaskScheduler::DAILY
            when :weekly
              TaskScheduler::WEEKLY
            when :monthly
              # If frequency modifier is set with frequency :monthly we are setting taskscheduler as monthlydow
              # Ref https://msdn.microsoft.com/en-us/library/windows/desktop/aa382061(v=vs.85).aspx
              new_resource.frequency_modifier.to_i.between?(1, 12) ? TaskScheduler::MONTHLYDATE : TaskScheduler::MONTHLYDOW
            when :on_idle
              TaskScheduler::ON_IDLE
            when :onstart
              TaskScheduler::AT_SYSTEMSTART
            when :on_logon
              TaskScheduler::AT_LOGON
            else
              raise ArgumentError, "Please set frequency"
          end
        end

        def type
          case trigger_type
            when TaskScheduler::ONCE
              { once: nil }
            when TaskScheduler::DAILY
              { days_interval: new_resource.frequency_modifier.to_i }
            when TaskScheduler::WEEKLY
              { weeks_interval: new_resource.frequency_modifier.to_i, days_of_week: days_of_week.to_i }
            when TaskScheduler::MONTHLYDATE
              { months: months_of_year.to_i, days: days_of_month.to_i }
            when TaskScheduler::MONTHLYDOW
              { months: months_of_year.to_i, days_of_week: days_of_week.to_i, weeks_of_month: weeks_of_month.to_i }
            when TaskScheduler::ON_IDLE
              # TODO: handle option for this trigger
            when TaskScheduler::AT_LOGON
              # TODO: handle option for this trigger
            when TaskScheduler::AT_SYSTEMSTART
              # TODO: handle option for this trigger
          end
        end

        # Deleting last from the array of weeks of month since last week is handled in :run_on_last_week_of_month parameter.
        def weeks_of_month
          weeks_of_month = []
          if new_resource.frequency_modifier
            weeks = new_resource.frequency_modifier.split(",")
            weeks.map! { |week| week.to_s.strip.upcase }
            weeks.delete("LAST") if weeks.include?("LAST")
            weeks_of_month = get_binary_values_from_constants(weeks, WEEKS_OF_MONTH)
          end
          weeks_of_month
        end

        # Deleting the "LAST" and "LASTDAY" from days since last day is handled in :run_on_last_day_of_month parameter.
        def days_of_month
          days_of_month = []
          if new_resource.day
            days = new_resource.day.to_s.split(",")
            days.map! { |day| day.to_s.strip.upcase }
            days.delete("LAST") if days.include?("LAST")
            days.delete("LASTDAY") if days.include?("LASTDAY")
            if days - (1..31).to_a
              days.each do |day|
                days_of_month << DAYS_OF_MONTH[day.to_i]
              end
              days_of_month = days_of_month.size > 1 ? days_of_month.inject(:|) : days_of_month[0]
            end
          else
            days_of_month = DAYS_OF_MONTH[1]
          end
          days_of_month
        end

        def days_of_week
          if new_resource.day
            # this line of code is just to support backward compatibility of wild card *
            new_resource.day = "mon, tue, wed, thu, fri, sat, sun" if new_resource.day == "*" && new_resource.frequency == :weekly
            days = new_resource.day.to_s.split(",")
            days.map! { |day| day.to_s.strip.upcase }
            weeks_days = get_binary_values_from_constants(days, DAYS_OF_WEEK)
          else
            # following condition will make the frequency :weekly idempotent if start_day is not provided by user setting day as the current_resource day
            if (current_resource) && (current_resource.task) && (current_resource.task.trigger(0)[:type][:days_of_week]) && (new_resource.start_day.nil?)
              weeks_days = current_resource.task.trigger(0)[:type][:days_of_week]
            else
              day = get_day(new_resource.start_day).to_sym if new_resource.start_day
              DAYS_OF_WEEK[day]
            end
          end
        end

        def months_of_year
          months_of_year = []
          if new_resource.frequency_modifier.to_i.between?(1, 12) && !(new_resource.months)
            new_resource.months = set_months(new_resource.frequency_modifier.to_i)
          end

          if new_resource.months
            # this line of code is just to support backward compatibility of wild card *
            new_resource.months = "jan, feb, mar, apr, may, jun, jul, aug, sep, oct, nov, dec" if new_resource.months == "*" && new_resource.frequency == :monthly
            months = new_resource.months.split(",")
            months.map! { |month| month.to_s.strip.upcase }
            months_of_year = get_binary_values_from_constants(months, MONTHS)
          else
            MONTHS.each do |key, value|
              months_of_year << MONTHS[key]
            end
            months_of_year = months_of_year.inject(:|)
          end
          months_of_year
        end

        # This values are set for frequency_modifier set as 1-12
        # This is to give backward compatibility validated this values with earlier code and running schtask.exe
        # Used this as reference https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/schtasks#d-dayday--
        def set_months(frequency_modifier)
          case frequency_modifier
            when 1
              "jan, feb, mar, apr, may, jun, jul, aug, sep, oct, nov, dec"
            when 2
              "feb, apr, jun, aug, oct, dec"
            when 3
              "mar, jun, sep, dec"
            when 4
              "apr, aug, dec"
            when 5
              "may, oct"
            when 6
              "jun, dec"
            when 7
              "jul"
            when 8
              "aug"
            when 9
              "sep"
            when 10
              "oct"
            when 11
              "nov"
            when 12
              "dec"
          end
        end

        def get_binary_values_from_constants(array_values, constant)
          data = []
          array_values.each do |value|
            value = value.to_sym
            data << constant[value]
          end
          data.size > 1 ? data.inject(:|) : data[0]
        end

        def run_level
          case new_resource.run_level
          when :highest
            TaskScheduler::TASK_RUNLEVEL_HIGHEST
          when :limited
            TaskScheduler::TASK_RUNLEVEL_LUA
          end
        end

        # TODO: while creating the configuration settings win32-taskscheduler it accepts execution time limit values in ISO8601 formata
        def config_settings
          settings = {
            execution_time_limit: new_resource.execution_time_limit,
            enabled: true,
          }
          settings[:idle_duration] = new_resource.idle_time if new_resource.idle_time
          settings[:run_only_if_idle] = true if new_resource.idle_time
          settings[:priority] = new_resource.priority
          settings[:disallow_start_if_on_batteries] = new_resource.disallow_start_if_on_batteries
          settings[:stop_if_going_on_batteries] = new_resource.stop_if_going_on_batteries
          settings[:start_when_available] = new_resource.start_when_available
          settings
        end

        def principal_settings
          settings = {}
          settings[:run_level] = run_level
          settings[:logon_type] = logon_type
          settings
        end

        def description_needs_update?(task)
          task.description != new_resource.description unless new_resource.description.nil?
        end

        def logon_type
          # Ref: https://msdn.microsoft.com/en-us/library/windows/desktop/aa383566(v=vs.85).aspx
          # if nothing is passed as logon_type the TASK_LOGON_SERVICE_ACCOUNT is getting set as default so using that for comparision.
          user_id = new_resource.user.to_s
          password = new_resource.password.to_s
          if Chef::ReservedNames::Win32::Security::SID.service_account_user?(user_id)
            TaskScheduler::TASK_LOGON_SERVICE_ACCOUNT
          elsif Chef::ReservedNames::Win32::Security::SID.group_user?(user_id)
            TaskScheduler::TASK_LOGON_GROUP
          elsif !user_id.empty? && !password.empty?
            if new_resource.interactive_enabled
              TaskScheduler::TASK_LOGON_INTERACTIVE_TOKEN
            else
              TaskScheduler::TASK_LOGON_PASSWORD
            end
          else
            TaskScheduler::TASK_LOGON_INTERACTIVE_TOKEN
          end
        end

        # This method checks if task and command properties exist since those two are mandatory properties to create a schedules task.
        def basic_validation
          validate = []
          validate << "Command" if new_resource.command.nil? || new_resource.command.empty?
          validate << "Task Name" if new_resource.task_name.nil? || new_resource.task_name.empty?
          return true if validate.empty?

          raise Chef::Exceptions::ValidationFailed.new "Value for '#{validate.join(", ")}' option cannot be empty"
        end

        # rubocop:disable Style/StringLiteralsInInterpolation
        def run_schtasks(task_action, options = {})
          cmd = "schtasks /#{task_action} /TN \"#{new_resource.task_name}\" "
          options.each_key do |option|
            unless option == "TR"
              cmd += "/#{option} "
              cmd += "\"#{options[option].to_s.gsub('"', "\\\"")}\" " unless options[option] == ""
            end
          end
          # Appending Task Run [TR] option at the end since appending causing sometimes to append other options in option["TR"] value
          if options["TR"]
            cmd += "/TR \"#{options["TR"]} \" " unless task_action == "DELETE"
          end
          logger.trace("running: ")
          logger.trace("    #{cmd}")
          shell_out!(cmd, returns: [0])
        end
        # rubocop:enable Style/StringLiteralsInInterpolation

        def get_day(date)
          Date.strptime(date, "%m/%d/%Y").strftime("%a").upcase
        end
      end
    end
  end
end