mirror of
https://github.com/puppetlabs/vmpooler.git
synced 2026-01-26 01:58:41 -05:00
Gene Liverman
dd1b8167a9
This adds a thor-based cli under the utils folder. Its initial function is to make it easier to migrate tokens from one redis instance to another.
86 lines
3 KiB
Ruby
Executable file
86 lines
3 KiB
Ruby
Executable file
#!/usr/bin/env ruby
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# frozen_string_literal: true
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require 'date'
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require 'json'
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require 'redis'
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require 'thor'
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class VMPUtils < Thor
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desc 'export_tokens', 'Export VMPooler tokens'
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long_desc <<-LONGDESC
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vmp_utils export_tokens will export the tokens stored in redis as JSON
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to the specified file. By default it will export all tokens used within
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the last year. This can be overridden by setting the "since-date" option.
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LONGDESC
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option :since_date, default: (DateTime.now - 365).iso8601
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option :redis_host, required: true
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option :redis_password
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option :redis_port, type: :numeric, default: 6379
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option :output_file, required: true
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def export_tokens
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redis = Redis.new(host: options[:redis_host], port: options[:redis_port], password: options[:redis_password])
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begin
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redis.ping
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puts "connection successful to #{options[:redis_host]}"
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tokens_to_export = {}
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date_filter = DateTime.parse(options[:since_date])
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redis.scan_each(match: 'vmpooler__token__*') do |key|
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print('.')
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key_data = redis.hgetall(key)
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export = false
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if key_data.key?('last') && date_filter < DateTime.parse(key_data['last'])
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export = true
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elsif date_filter < DateTime.parse(key_data['created'])
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export = true
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end
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tokens_to_export[key] = key_data if export
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end
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puts ''
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File.open(options[:output_file], 'w') do |output|
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output.puts JSON.pretty_generate(tokens_to_export)
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end
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rescue Redis::CannotConnectError => e
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raise Thor::Error, e
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rescue Redis::CommandError => e
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raise Thor::Error, e
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end
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end
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desc 'import_tokens', 'Import previously exported VMPooler tokens'
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long_desc <<-LONGDESC
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vmp_utils import_tokens will load tokens from a previous export into the
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specified redis instance. It expects a JSON file like the one generated by
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export_tokens to be provided as input.
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LONGDESC
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option :redis_host, required: true
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option :redis_password
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option :redis_port, type: :numeric, default: 6379
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option :input_file, required: true
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def import_tokens
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raise Thor::Error, "input-file '#{options[:input_file]}' doesn't exist" unless File.exist?(options[:input_file])
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begin
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data_file = File.read(options[:input_file])
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tokens_to_import = JSON.parse(data_file)
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rescue JSON::ParserError
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raise Thor::Error, "Unable to parse please verify that #{options[:input_file]}. Please make sure it is a valid JSON file"
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end
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redis = Redis.new(host: options[:redis_host], port: options[:redis_port], password: options[:redis_password])
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begin
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redis.ping
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puts "connection successful to #{options[:redis_host]}"
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tokens_to_import.each do |key, value|
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puts "importing token for #{value['user']}"
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redis.hset(key, value)
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end
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rescue Redis::CannotConnectError => e
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raise Thor::Error, e
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rescue Redis::CommandError => e
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raise Thor::Error, e
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end
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end
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end
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VMPUtils.start(ARGV)
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