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Add support for local memcache #1

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Add support for local memcache #1

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25 changes: 21 additions & 4 deletions pdb.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,21 @@
require 'uri'
require 'tempfile'
require 'pp'
require 'memcache'
require 'active_support/time'

fqdn = `hostname -f`.chomp

#Caching function to check in memcache first
private
def data_cache(key)
unless output = CACHE.get(key)
output = yield
CACHE.set(key, output, 1.hour)
end
return output
end

default_options = {
:ansible_module => 'shell',
:ansible_args => [],
Expand All @@ -21,6 +33,7 @@
:include_facts => true,
:list_fact_names => false,
:list_only => false,
:memcache_server => '127.0.0.1',
:mgmt_ip_fact => 'ipaddress',
:order => 'fqdn',
:remote_user => 'root',
Expand All @@ -32,7 +45,6 @@
:use_sudo => true,
:threads => 5,
}

@options = default_options

def exit_prog(exit_code=0)
Expand All @@ -57,12 +69,13 @@ def exit_prog(exit_code=0)
end
end

CACHE = MemCache.new(@options[:memcache_server])

facts_include = [ @options[:mgmt_ip_fact], ]
facts_criteria = {}


options_tmp_facts = []

option_parser = OptionParser.new do |opts|
opts.banner = "Usage: #{File.basename($0)} [options] [hostregex] [hostregex] ..."
opts.on("-a", "--ansible-module-args OPTS", "Pass module arguments to ansible") do |a|
Expand Down Expand Up @@ -261,7 +274,6 @@ def print_matches (cols, matches, index=false)
STDERR.puts "\e[31mfact_include: #{facts_include}\n"
STDERR.puts "fact_criteria: #{facts_criteria}\n\e[0m"
end

# build up the query string
query = "[ \"and\",\n"
query << " [ \"or\",\n"
Expand Down Expand Up @@ -305,10 +317,15 @@ def print_matches (cols, matches, index=false)
http.ca_file = File.expand_path(@options[:ssl_ca])
http.verify_mode = OpenSSL::SSL::VERIFY_PEER

beginning_time = Time.now
md5 = Digest::MD5.hexdigest(ARGV.join) #Use given arguments as key for memcache
request = Net::HTTP::Get.new(uri.request_uri)
response = http.request(request)
response = data_cache(md5) { http.request(request) }
end_time = Time.now
puts "Query Time: #{(end_time - beginning_time)*1000} milliseconds"
results_array = JSON.parse(response.body)


results_hash = {}
results_array.each do |a|
results_hash[a['certname']] ||= {}
Expand Down