754 lines
20 KiB
Ruby
Executable File
754 lines
20 KiB
Ruby
Executable File
#!/usr/bin/ruby
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# BEGIN: Requires
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require 'digest'
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# END: Requires
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# BEGIN: Helper Functions
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def usage
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puts <<EOT
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#{__FILE__} [ACTION <arg>] [<flags>]
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Description:
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This utlity is meant to be used to interact with & manage the filebucket on P4 nodes due to the
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utility for that `puppet filebucket -l <action>` being nonfunctional.
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This implements the same functionality (minus the puppet tie-in) and will allow the user to
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search the filebucket and restore from it.
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Actions:
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search <term> : Search for bucket entries matching a portion of the filepath
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list : List all Bucket entries
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list-files : List all files/paths that have been backed up to the bucket
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get <entry-hash> : Get the content of a specific entry (by hash)
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restore <value> : Restore previous state of file stored in bucket. Value can be hash or filename/filepath
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: Note: To restore to an alternate path you will need to provide the path via the -o flag
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:
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backup <file> : Backup the file to the bucket
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delete <hash> : Delete the entry from the bucket
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Restore Flags:
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-o | --output-file <file> : Used to provide an alternate restoral path for the restore function
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Global Flags:
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-d | --debug : Set debug flag
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-h | --help : This help message
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-b | --bucket <bucket-dir> : User specified bucket directory
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Listing Filter Flags:
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--from-date <DATE> : Filter listings from starting after this point (FORMAT: YYYY-MM-DD HH:MM:SS)
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: EX:
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: 1. --from-date 2023-05-10
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: 2. --from-date "2023-05-10 13:23"
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:
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--to-date <DATE> : Filter listings from ending at this point (FORMAT: YYYY-MM-DD HH:MM:SS)
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: EX:
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: 1. --to-date 2024-05-10
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: 2. --to-date "2024-05-10 05:27"
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:
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Info Format Flags:
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-i | --inline : Set the info format to inline (MTIME : HASH : FILENAME)
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-l | --long : Set the info format to long
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: Entry [HASH]:
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: Paths: path1,path2,...,pathn
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: MTIME: YYYY-MM-DD HH:MM:SS -####
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:
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-c | --csv : Set the info format to csv ( MTIME,HASH,FILENAME1[;FILENAMEn] )
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Author:
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Name: Tristan Ancelet
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Email: tristan.ancelet@acumera.com
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Phone (Work) #: +1 (337) 965-1855
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EOT
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end
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def log (message, level = 0)
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if $DEBUG == true or $CONFIG[:log_file] != ""
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if message == ""
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puts "log was called without providing a message"
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exit
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end
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case level
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when 0
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level="INFO"
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when 1
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level="WARN"
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when 2
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level="CRIT"
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else
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level="UNDF"
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end
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datestamp=Time.now
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log_message="#{datestamp} : #{$HOSTNAME} : #{level} : #{caller[0]} : #{message}"
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if $CONFIG[:log_file] != ""
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File.open($CONFIG[:log_file],'a') do |file|
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file.write("#{log_message}\n")
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end
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else
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puts log_message
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end
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end
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end
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def which(cmd)
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#https://stackoverflow.com/questions/2108727/which-in-ruby-checking-if-program-exists-in-path-from-ruby
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exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
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ENV['PATH'].split(File::PATH_SEPARATOR).each do |path|
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exts.each do |ext|
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exe = File.join(path, "#{cmd}#{ext}")
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return exe if File.executable?(exe) && !File.directory?(exe)
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end
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end
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nil
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end
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def get_verification (prompt = "Do you want to continue?")
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while true
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puts "#{prompt} (y/n): "
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answer = STDIN.gets
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answer = answer.strip()
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case answer
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when 'y','yes'
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return true
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when 'n', 'no'
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return false
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else
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puts "#{answer} is not an acceptible answer"
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end
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end
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end
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def get_selections (reference_array, prompt = "Which of the following do you want to select? ", options = { :multiple => false, }, &procedure)
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## Making clone of array since the selections were passed by reference
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selections = reference_array.clone
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def put_prompt (selections, prompt)
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puts prompt
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selections.each_with_index do |value,index|
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puts "#{index} : #{value}"
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end
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end
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if options[:multiple] == true
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output = Array.new
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else
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output = ""
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end
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put_prompt selections, prompt
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while true
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choice = Integer(STDIN.gets.strip())
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if choice.is_a? Integer
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if choice >= 0 and choice < selections.count
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if options[:multiple] == true
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output.push(selections[choice])
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selections.delete_at(choice)
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if get_verification "Are you done selecting?"
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break
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end
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put_prompt selections, prompt
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else
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output = selections[choice]
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break
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end
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else
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puts "#{choice} is not between the values of 0 and #{selections.count}. Please try again."
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end
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else
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puts "#{choice} is not a valid option. Please try again."
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end
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end
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if procedure.respond_to? "call"
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output = procedure.call(output)
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end
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output
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end
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# END: Helper Functions
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# BEGIN: Variables
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if not (ARGV & ['-h', '--help']).empty?
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usage
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exit
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end
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if ENV["USER"] != 'root'
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puts "This script should only be run by root (permissions issues). Please rerun it as root or prepend \"sudo\""
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exit
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end
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$DEBUG=false
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puppet_exe = which "puppet"
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if puppet_exe == nil
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puts "The puppet utility was not found in $PATH. This utility will not be able to function"
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exit
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end
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$CONFIG = Hash.new
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$CONFIG[:bucket_dir]=` #{puppet_exe} agent --configprint clientbucketdir `.strip()
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$CONFIG[:puppet_version]=` #{puppet_exe} --version `
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$CONFIG[:action]=""
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$CONFIG[:search_term]=""
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$CONFIG[:log_file]=""
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$CONFIG[:alt_filepath]=""
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$CONFIG[:info_format]="inline"
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$CONFIG[:from_time]=Time.at(0) # Beginning of epoch time
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$CONFIG[:to_time]=Time.now # Today
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File.open('/etc/hostname') do |file|
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$HOSTNAME=file.read().strip()
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end
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FLAG_REGEX=/^\-+\S+/
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DATE_REGEX=/^(?<year>[0-9]{4})-(?<month>[0-9]{1,2})-(?<day>[0-9]{1,2})[[:space:]]*((?<hour>[0-9]{1,2}):(?<minute>[0-9]{1,2}):(?<second>[0-9]{1,2}))?$/
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# END: Variables
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# BEGIN: Handle CLI Args
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if ARGV.count == 0
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puts "No arguments were provided"
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usage
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exit
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end
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if not (ARGV & ['-d', '--debug']).empty?
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$DEBUG=true
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end
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i=0
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case ARGV[i]
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when 'search', 'get', 'restore', 'backup', 'delete'
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$CONFIG[:action]=ARGV[i]
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log "$CONFIG[:action] was set to #{ARGV[i]}"
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log "user provided search action ARGV[i.next] == #{ARGV[i.next]}"
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if ARGV[i.next] != "" and not ARGV[i.next] =~ FLAG_REGEX
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$CONFIG[:search_term]=ARGV[i.next]
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log "search_term was set to #{ARGV[i.next]}"
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i+=2
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else
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puts "Flag[#{ARGV[i]}] : Argument[#{ARGV[i.next]}] : Either the argument was not provided or it was a flag"
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usage
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exit
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end
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when 'list', 'list-files'
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$CONFIG[:action] = ARGV[i]
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log "$CONFIG[:action] was set to #{ARGV[i]}"
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i+=1
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else
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puts "#{ARGV[i]} is not a valid action. Please make sure you use a valid action as the first argument of the script"
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usage
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exit
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end
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while i < ARGV.count
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case ARGV[i]
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when '-c', '--csv'
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$CONFIG[:info_format]='csv'
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log "$CONFIG[:info_format] was set to #{$CONFIG[:info_format]}"
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i+=1
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when '-l', '--long'
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$CONFIG[:info_format]='long'
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log "$CONFIG[:info_format] was set to #{$CONFIG[:info_format]}"
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i+=1
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when '-i', '--inline'
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$CONFIG[:info_format]='inline'
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log "$CONFIG[:info_format] was set to #{$CONFIG[:info_format]}"
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i+=1
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when '-o', '--output-file'
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log "user provided ARGV[i.next] == #{ARGV[i.next]}"
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if ARGV[i.next] != "" and not ARGV[i.next] =~ FLAG_REGEX
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$CONFIG[:alt_filepath]=File.expand_path(ARGV[i.next])
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log "search_term was set to #{$CONFIG[:alt_filepath]}"
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i+=2
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else
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puts "Flag[#{ARGV[i]}] : Argument[#{ARGV[i.next]}] : Either the argument was not provided or it was a flag"
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usage
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exit
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end
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when '-d', '--debug'
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log "#{ARGV[i]} as specified, and the $CONFIG[:debug] flag was already enabled"
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i+=1
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when '-b', '--bucket'
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log "user provided ARGV[i.next] == #{ARGV[i.next]}"
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if ARGV[i.next] != "" and not ARGV[i.next] =~ FLAG_REGEX
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$CONFIG[:bucket_dir]=ARGV[i.next]
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log "$CONFIG[:bucket_dir] was set to #{ARGV[i.next]}"
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i+=2
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else
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puts "Flag[#{ARGV[i]}] : Argument[#{ARGV[i.next]}] : Either the argument was not provided or it was a flag"
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usage
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exit
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end
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when '--to-date', '--from-date'
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if ARGV[i.next] != "" and ARGV[i.next] =~ DATE_REGEX
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date_matches = DATE_REGEX.match(ARGV[i.next]).named_captures.each_value.select{|val| not val.nil?}.map(&:to_i)
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case ARGV[i]
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when '--to-date'
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$CONFIG[:to_time]=Time.new(*date_matches)
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log "$CONFIG[:to_time] was set to #{$CONFIG[:to_time]}}"
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when '--from-date'
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$CONFIG[:from_time]=Time.new(*date_matches)
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log "$CONFIG[:from_time] was set to #{$CONFIG[:from_time]}}"
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end
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i+=2
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else
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puts "Flag[#{ARGV[i]}] : Argument[#{ARGV[i.next]}] : Either the argument was not provided or it was a flag"
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usage
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exit
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end
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when FLAG_REGEX
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# Catch all to prevent user from specifying a non-accounted for flag
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puts "#{ARGV[i]} is not a valid flag."
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usage
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exit
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else
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i+=1
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end
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end
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## BEGIN: Checks
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if $CONFIG[:action] == ""
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puts "Action was not provided"
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end
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if not Dir.exist? $CONFIG[:bucket_dir]
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puts "BucketDir[#{$CONFIG[:bucket_dir]}] Does not exist. Please check to make sure configuration is correct"
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exit
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end
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case $CONFIG[:action]
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when 'search', 'get'
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if $CONFIG[:search_term] == ""
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puts "Search Term was not provided"
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usage
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exit
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end
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when 'backup'
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if not File.exist? $CONFIG[:search_term]
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puts "File #{$CONFIG[:search_term]} does not exist. Please check to make sure that there are not typos and attempt the run again."
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exit
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else
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$CONFIG[:search_term] = File.expand_path($CONFIG[:search_term])
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end
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end
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## END: Checks
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# END: Handle CLI Args
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# BEGIN: Classes
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class BucketEntry
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attr_reader :hash, :filepaths, :mtime
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def initialize (entry_dir)
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@entry_dir = entry_dir
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@hash = File.basename(entry_dir)
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File.open("#{entry_dir}/paths") do |file|
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@filepaths = file.read.split(/\n/)
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end
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@mtime = File.mtime(entry_dir)
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log "BucketEntry was created from #{entry_dir}"
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end
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def path_include? (path_string)
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log "BucketEntry[#{hash}] was called with #{path_string}"
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@filepaths.any?{|path| path.include? path_string}
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end
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def long_info
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"Entry [#{@hash}]:
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Paths: #{@filepaths.join(',')}
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MTIME: #{@mtime}
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"
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end
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def csv_info
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[@mtime,@hash,@filepaths.join(';')].join(',')
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end
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def inline_info
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"#{@mtime} : #{@hash} : #{@filepaths.join(',')}"
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end
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def info
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case $CONFIG[:info_format]
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when 'long'
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long_info
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when 'inline'
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inline_info
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when 'csv'
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csv_info
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end
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end
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def content
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log "BucketEntry[#{@hash}] getting contents"
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File.open("#{@entry_dir}/contents",'r') do |file|
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file.read()
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end
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end
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def delete
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returncode = true
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log "User has chosen to delete this BucketEntry"
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Dir.chdir(@entry_dir){
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log "Changed to #{@entry_dir} to delete children files"
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Dir.children(@entry_dir).each{|file|
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log "Deleting #{file}"
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if File.unlink(file)
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log "#{file} deleted"
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else
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puts "There was an issue deleting #{File.expand_path(file)}"
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exit
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end
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}
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}
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log "Deleting #{@entry_dir}"
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if Dir.delete(@entry_dir)
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log "Deleted #{@entry_dir}"
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else
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puts "There was an issue when attempting to delete #{@entry_dir}"
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end
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dir = @entry_dir
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log "Beginning to delete trailing dirs unless one has children other than those that make up #{File.dirname(@entry_dir)}"
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for i in 1..8
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dir = File.dirname(dir)
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log "Beginning to delete #{dir}"
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children = Dir.children(dir)
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log "Dir[#{dir}] children found to be #{children.join(',')}"
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if children.empty?
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if Dir.delete(dir)
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log "Deleted #{dir}"
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else
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puts "There was an issue when attempting to delete #{dir}"
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exit
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end
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else
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log "#{dir} showed to contain another child directory. Not deleting and breaking loop"
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break
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end
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end
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returncode
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end
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end
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class Bucket
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attr_reader :bucketdir, :entries
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def initialize (clientbucketdir)
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log "Bucket is being created from #{clientbucketdir}"
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@bucketdir = clientbucketdir
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@entries = Hash.new
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load_bucket
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end
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def select(&proc)
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@entries.each_value.select &proc
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end
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def any?(&proc)
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@entries.each_value.any? &proc
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end
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def load_bucket
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log "Bucket[#{@bucketdir}] is loading entries"
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Dir["#{@bucketdir}/**/paths"].each.map{|path| File.dirname(path)}.each do |directory|
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log "\"#{directory}\" was grabbed from bucket directory. Making new BucketEntry"
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entry = BucketEntry.new(directory)
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if entry.mtime <= $CONFIG[:to_time] and entry.mtime >= $CONFIG[:from_time]
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@entries[entry.hash]=entry
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log "BucketEntry[#{entry.hash}] was added to @entries Size=#{@entries.count()}"
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else
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log "Entry[#{entry.hash}] was filtered out by the user provided time constraints"
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end
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end
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log "Bucket[#{@bucketdir}] was loaded"
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end
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def filenames
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filenames = Array.new
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@entries.each_value do |entry|
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entry.filepaths.each do |path|
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if not filenames.include? path
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filenames.push(path)
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end
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end
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end
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filenames
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end
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end
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# END: Classes
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# BEGIN: Work Functions
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def search_entries_paths (bucket)
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puts bucket.select{|entry| entry.path_include? $CONFIG[:search_term]}.sort_by(&:mtime).map(&:info)
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end
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def get_content_of_entry_hash (bucket)
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if bucket.entries.has_key? $CONFIG[:search_term]
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puts bucket.entries[$CONFIG[:search_term]].content
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else
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puts "There were no entries corresponding to #{$CONFIG[:search_term]}"
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exit
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end
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end
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def list_all_entries (bucket)
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puts bucket.filenames.map{|filename| bucket.select{|entry| entry.path_include? filename}.sort_by(&:mtime).map(&:info)}
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end
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def list_entry_files (bucket)
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puts bucket.filenames.sort.join("\n")
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end
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def get_entry_by_file (bucket, filenames)
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entry = nil
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if filenames.count == 1
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filename = filenames[0]
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else
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|
filename = get_selections filenames, "Your filename matched multiple files. Please select one to restore"
|
|
end
|
|
|
|
entries = bucket.select{|entry| entry.path_include? filename}
|
|
if entries.count == 1
|
|
entry = entries.first
|
|
else
|
|
while true
|
|
mtimes = entries.map{|entry| entry.mtime}
|
|
entry_mtime = get_selections(mtimes , "Which timestamp to you want to revert the file to?")
|
|
entry = entries.lazy.select{|entry| entry.mtime == entry_mtime}.first
|
|
|
|
if get_verification "Do you want to see the contents of #{filename} at this time?"
|
|
puts entry.content
|
|
if get_verification "Is this the entry you want to overwrite #{filename} with?"
|
|
break
|
|
end
|
|
else
|
|
break
|
|
end
|
|
end
|
|
end
|
|
|
|
if filename[0] != '/'
|
|
filename = "/#{filename}"
|
|
end
|
|
|
|
return entry, filename
|
|
end
|
|
|
|
def get_entry_by_hash (bucket)
|
|
if bucket.entries.has_key? $CONFIG[:search_term]
|
|
entry = bucket.entries[$CONFIG[:search_term]]
|
|
filepath = ""
|
|
if entry.filepaths.count == 1
|
|
filepath = entry.filepaths[0]
|
|
else
|
|
filepath = get_selections entry.filepaths, "What filepath do you wish to restore to?"
|
|
end
|
|
|
|
if filepath[0] != '/'
|
|
filepath = "/#{filepath}"
|
|
end
|
|
|
|
return entry, filepath
|
|
|
|
else
|
|
puts "There were no entries corresponding to #{$CONFIG[:search_term]}"
|
|
end
|
|
end
|
|
|
|
def restore_entry (bucket)
|
|
entry = nil
|
|
if bucket.any?{ |entry| entry.path_include? $CONFIG[:search_term] }
|
|
filenames = bucket.filenames.select {|filename| filename.include? $CONFIG[:search_term]}
|
|
entry, filepath = get_entry_by_file bucket, filenames
|
|
else
|
|
entry, filepath = get_entry_by_hash bucket
|
|
end
|
|
|
|
if $CONFIG[:alt_filepath] != ""
|
|
filepath=$CONFIG[:alt_filepath]
|
|
end
|
|
|
|
if get_verification "Are you sure you want to overwrite #{filepath}?"
|
|
File.open(filepath,'w') do |file|
|
|
file.write(entry.content)
|
|
end
|
|
else
|
|
puts "Ok not overwriting."
|
|
end
|
|
end
|
|
|
|
def backup_file (bucket)
|
|
hash=""
|
|
if Gem::Version.new($CONFIG[:puppet_version]) >= Gem::Version.new("7.0.0")
|
|
log "Puppet Version is +7.* so hashing algo will be SHA256"
|
|
File.open($CONFIG[:search_term],'r') do |file|
|
|
hash = Digest::SHA2.hexdigest file.read()
|
|
end
|
|
|
|
else
|
|
log "Puppet Version is not 7.* so hashing algo will be MD5"
|
|
File.open($CONFIG[:search_term],'r') do |file|
|
|
hash = Digest::MD5.hexdigest file.read()
|
|
end
|
|
end
|
|
|
|
log "Hash for #{$CONFIG[:search_term]} was generated to be #{hash}"
|
|
|
|
if bucket.entries.has_key? hash
|
|
log "Hash was found to already be backed up to bucket"
|
|
puts "This file (hash: #{hash} has already been backed up in the bucket"
|
|
puts bucket.entries[hash].info
|
|
exit
|
|
end
|
|
|
|
puppet_uid=0
|
|
puppet_gid=0
|
|
File.open('/etc/passwd','r') do |file|
|
|
log "Getting puppet UID & GID from /etc/passwd"
|
|
passd = file.read.split(/\n/).select{|line| line =~ /puppet.+/}.first
|
|
puppet_uid=Integer(passd.split(':')[2])
|
|
log "Retrieved Puppet UID as #{puppet_uid}"
|
|
puppet_gid=Integer(passd.split(':')[3])
|
|
log "Retrieved Puppet GID as #{puppet_gid}"
|
|
end
|
|
|
|
log "Created preceeding directorys to hash directory"
|
|
dir=$CONFIG[:bucket_dir]
|
|
hash.chars[0,8].each{|char|
|
|
dir+="/#{char}"
|
|
log "Checking to make sure that #{dir} doesn't exist"
|
|
if not Dir.exist? dir
|
|
log "#{dir} didn't exist so creating the directory & changing the UID to #{puppet_uid} & GID #{puppet_gid}"
|
|
Dir.mkdir dir
|
|
File.chown(puppet_gid, puppet_uid, dir)
|
|
end
|
|
}
|
|
|
|
entry_dir="#{dir}/#{hash}"
|
|
if not Dir.exist? entry_dir
|
|
log "#{entry_dir} didn't exist so creating the directory & changing the UID to #{puppet_uid} & GID #{puppet_gid}"
|
|
Dir.mkdir entry_dir
|
|
File.chown(puppet_gid, puppet_uid, entry_dir)
|
|
end
|
|
|
|
contents_path="#{entry_dir}/contents"
|
|
log "#{contents_path} will be created"
|
|
paths_path="#{entry_dir}/paths"
|
|
log "#{paths_path} will be created"
|
|
|
|
log "Creating #{contents_path}"
|
|
File.open(contents_path, 'w') do |contents_file|
|
|
log "Opened #{contents_path} to be written to"
|
|
File.open($CONFIG[:search_term], 'r') do |source_file|
|
|
log "Opened #{$CONFIG[:search_term]} to be read from"
|
|
contents_file.write(source_file.read)
|
|
contents_file.chown(puppet_gid, puppet_uid)
|
|
log "#{contents_path} was created & was chowned to UID to #{puppet_uid} & GID #{puppet_gid}"
|
|
end
|
|
end
|
|
|
|
log "Creating #{paths_path}"
|
|
File.open(paths_path, 'w') do |paths_file|
|
|
log "Opened #{paths_path} to be written to"
|
|
paths_file.write($CONFIG[:search_term])
|
|
log "Just wrote #{$CONFIG[:search_term]} to #{paths_path}"
|
|
paths_file.chown(puppet_gid, puppet_uid)
|
|
log "#{paths_path} was created & was chowned to UID to #{puppet_uid} & GID #{puppet_gid}"
|
|
end
|
|
|
|
puts "File #{$CONFIG[:search_term]} was backed up to #{entry_dir}"
|
|
end
|
|
|
|
def delete_entry (bucket)
|
|
if bucket.entries.has_key? $CONFIG[:search_term]
|
|
entry = bucket.entries[$CONFIG[:search_term]]
|
|
else
|
|
puts "BucketEntry[#{$CONFIG[:search_term]}] Does not exist. Please make sure you provided the correct hash value"
|
|
end
|
|
|
|
puts "Corresponding Entry: #{entry.info}"
|
|
if get_verification "Are you sure you want to delete BucketEntry[#{entry.hash}]? "
|
|
if get_verification "This cannot be undone. Are you sure you want to continue?: "
|
|
entry.delete
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
# END: Work Functions
|
|
|
|
|
|
# BEGIN: Work
|
|
|
|
if __FILE__ == $0
|
|
bucket = Bucket.new($CONFIG[:bucket_dir])
|
|
|
|
case $CONFIG[:action]
|
|
when 'search'
|
|
search_entries_paths bucket
|
|
|
|
when 'get'
|
|
get_content_of_entry_hash bucket
|
|
|
|
when 'list'
|
|
list_all_entries bucket
|
|
|
|
when 'list-files'
|
|
list_entry_files bucket
|
|
|
|
when 'restore'
|
|
restore_entry bucket
|
|
|
|
when 'backup'
|
|
backup_file bucket
|
|
|
|
when 'delete'
|
|
delete_entry bucket
|
|
end
|
|
|
|
end
|
|
# END: Work
|
|
|
|
|