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Splits a single JSON array file into distinct files for data bags in chef
require 'json'
require 'optparse'
all_json = []
options = {}
options[:overwrite] = false
optparse = OptionParser.new do |opts|
opts.banner = "Usage: split-em -f FILE -d DATABAG [-o]"
opts.on( '-f' ,'--file FILE', 'JSON file to split') do |file|
options[:file] = file
end
opts.on( '-d' ,'--databag DATABAGNAME', 'Data Bag to use for knife output') do |databag|
options[:databag] = databag
end
opts.on( '-o','--overwrite', 'Overwrite existing JSON') do
options[:overwrite] = true
end
end
optparse.parse!
json_data = JSON.load(File.open(options[:file], "r")) || exit(1)
basedir = File.dirname(options[:file])
json_data.each do |item|
all_json << item['id']
outfile = File.join(basedir, "#{item['id']}.json")
puts "Parsing data for #{item['id']} into file #{outfile}"
if File.exists?(outfile) && options[:overwrite] == false
puts "Found existing file for #{item['id']}. Not overwriting"
else
datafile = File.new(outfile, "w+")
datafile.write(item.to_json)
datafile.close
end
end
puts "#Run the following command to load the split bags into the #{options[:databag]} in chef"
puts "for i in #{all_json.join(' ')}; do knife data bag from file #{options[:databag]} $i.json; done"
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