Created
October 23, 2014 19:33
-
-
Save alienrobotwizard/be2d762e6b0002c6bd2f to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/usr/bin/env ruby | |
require 'rubygems' | |
require 'json' | |
require File.dirname(__FILE__)+'/app/helpers/graph.rb' | |
class P2jTranslator | |
attr_accessor :nodeGroups, :json | |
def initialize plan_package | |
@nodeGroups = Hash.new{|h,k| h[k] = {}} | |
result = { | |
:id => plan_package[:uuid], | |
:name => plan_package[:jobName], | |
:properties => { | |
:userName => plan_package[:userName], | |
:script => plan_package[:scripts][:script] | |
}, | |
:nodes => [], | |
:edges => [], | |
:node_groups => [] | |
} | |
translate_status(plan_package[:status], result) | |
[:optimized, :unoptimized].each do |plan| | |
translate_plan(plan.to_s, plan_package[plan][:plan], result) | |
end | |
idx = 0 | |
nodeGroups.each do |ngId, ng| | |
node = { | |
:id => ngId, | |
:child => idx.to_s | |
} | |
node_group = { | |
:id => idx.to_s, | |
:children => ng[:children], | |
:properties => ng[:properties], | |
:status => ng[:status] | |
} | |
result[:nodes] << node | |
result[:node_groups] << node_group | |
idx += 1 | |
end | |
[:optimized, :unoptimized].each do |s| | |
node = { | |
:id => s, | |
:child => idx.to_s | |
} | |
children = plan_package[s][:plan].map do |node| | |
s.to_s+"-"+node.last[:mapReduce][:jobId] | |
end.sort.uniq | |
node_group = { | |
:id => idx.to_s, | |
:children => children | |
} | |
result[:nodes] << node | |
result[:node_groups] << node_group | |
idx += 1 | |
end | |
@json = JSON.generate(result) | |
end | |
def translate_status status, r | |
r[:status] = { | |
:heartbeatTime => status[:heartbeatTime], | |
:progress => status[:progress], | |
:startTime => status[:startTime], | |
:endTime => status[:endTime], | |
:statusText => status[:statusText] | |
} | |
status[:jobStatusMap].each do |jobId, jobStatus| | |
scope = jobStatus[:scope] | |
mapProgress = (jobStatus[:mapProgress] ? jobStatus[:mapProgress].to_f : 0) | |
reduceProgress = (jobStatus[:reduceProgress] ? jobStatus[:reduceProgress].to_f : 0) | |
statusText = "" | |
if jobStatus[:isComplete] | |
if jobStatus[:isSuccessful] | |
statusText = "finished" | |
else | |
statusText = "failed" | |
end | |
else | |
statusText = "running" | |
end | |
newStatus = { | |
:progress => (mapProgress + reduceProgress)/2, | |
:startTime => jobStatus[:startTime], | |
:endTime => jobStatus[:finishTime], | |
:statusText => statusText | |
} | |
["unoptimized", "optimized"].each do |s| | |
nodeGroups[s+"-"+scope][:properties] = jobStatus | |
nodeGroups[s+"-"+scope][:status] = newStatus | |
end | |
end | |
end | |
def translate_join join, properties | |
by = join[:expression].map do |name, value| | |
{:alias => name, :fields => value[:fields]} | |
end | |
properties[:join] = { | |
:strategy => join[:strategy], | |
:type => join[:type], | |
:by => by | |
} | |
end | |
def translate_node prefix, node, r | |
rNode = { | |
:type => "PigNode", | |
:id => prefix + "-" + node[:uid], | |
} | |
properties = { | |
:alias => node[:alias], | |
:schema => node[:schema], | |
:step_type => node[:mapReduce][:stepType], | |
:location => node[:location], | |
:operation => node[:operator].gsub("LO", "").upcase, | |
} | |
edges = node[:successors].map do |succ| | |
{:u => prefix+"-"+node[:uid], :v => prefix+"-"+succ} | |
end | |
r[:edges] += edges | |
if node[:storageFunction] | |
properties[:storage_function] = node[:storageFunction] | |
end | |
if node[:storageLocation] | |
properties[:storage_location] = node[:storageLocation] | |
end | |
if node[:group] | |
properties[:operation] = "GROUP" | |
translate_join(node[:group], properties) | |
end | |
if node[:join] | |
translate_join(node[:join], properties) | |
end | |
rNode[:properties] = properties | |
r[:nodes] << rNode | |
scope = prefix + "-" + node[:mapReduce][:jobId] | |
nodeGroups[scope][:children] ||= [] | |
nodeGroups[scope][:children] << prefix+"-"+node[:uid] | |
end | |
def translate_plan prefix, plan, r | |
plan.each do |k,v| | |
translate_node(prefix, v, r) | |
end | |
end | |
end | |
data = JSON.parse(File.read(ARGV[0]), {:symbolize_names => true}) | |
json = P2jTranslator.new(data).json | |
graph = Lipstick::Graph.from_json(json) | |
puts graph.to_json |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment