Facing the Monolith: Overcoming Monolithic Applications with SOA - Speaker Deck

Tweet

Tweet

Slide 1

Slide 1 text

Facing the Monolith Charles Max Wood Tuesday, October 9, 12

Slide 2

Slide 2 text

Charles Max Wood ‣ Lead Developer at Intentional Excellence Productions ‣ Host of Ruby Rogues, Javascript Jabber, and Ruby Freelancers podcasts Tuesday, October 9, 12

Slide 3

Slide 3 text

Tuesday, October 9, 12

Slide 4

Slide 4 text

How it Starts... Tuesday, October 9, 12

Slide 5

Slide 5 text

How it Starts... Tame this! Tuesday, October 9, 12

Slide 6

Slide 6 text

How it Fails... Tuesday, October 9, 12

Slide 7

Slide 7 text

How it Fails... Tame this! Tuesday, October 9, 12

Slide 8

Slide 8 text

How We Started... Tuesday, October 9, 12

Slide 9

Slide 9 text

How We Started... Tuesday, October 9, 12

Slide 10

Slide 10 text

How We Started... Tuesday, October 9, 12

Slide 11

Slide 11 text

How We Started... Tuesday, October 9, 12

Slide 12

Slide 12 text

How We Started... Tuesday, October 9, 12

Slide 13

Slide 13 text

How We Started... Tuesday, October 9, 12

Slide 14

Slide 14 text

How We Started... Tuesday, October 9, 12

Slide 15

Slide 15 text

How We Started... Tuesday, October 9, 12

Slide 16

Slide 16 text

How We Started... Tuesday, October 9, 12

Slide 17

Slide 17 text

How We Started... Tuesday, October 9, 12

Slide 18

Slide 18 text

How We Started... Tuesday, October 9, 12

Slide 19

Slide 19 text

How We Started... Tuesday, October 9, 12

Slide 20

Slide 20 text

How We Started... Tuesday, October 9, 12

Slide 21

Slide 21 text

How We Started... Tuesday, October 9, 12

Slide 22

Slide 22 text

How We Started... Tuesday, October 9, 12

Slide 23

Slide 23 text

How We Started... Tuesday, October 9, 12

Slide 24

Slide 24 text

Tuesday, October 9, 12

Slide 25

Slide 25 text

Tuesday, October 9, 12

Slide 26

Slide 26 text

Tuesday, October 9, 12

Slide 27

Slide 27 text

Tuesday, October 9, 12

Slide 28

Slide 28 text

Tuesday, October 9, 12

Slide 29

Slide 29 text

Tuesday, October 9, 12

Slide 30

Slide 30 text

Tuesday, October 9, 12

Slide 31

Slide 31 text

Tuesday, October 9, 12

Slide 32

Slide 32 text

How it Fails... Tame this! Tuesday, October 9, 12

Slide 33

Slide 33 text

Tuesday, October 9, 12

Slide 34

Slide 34 text

Your Backlog Tuesday, October 9, 12

Slide 35

Slide 35 text

Tuesday, October 9, 12

Slide 36

Slide 36 text

Tuesday, October 9, 12

Slide 37

Slide 37 text

Organization Tuesday, October 9, 12

Slide 38

Slide 38 text

Organization Tuesday, October 9, 12

Slide 39

Slide 39 text

Organization Tuesday, October 9, 12

Slide 40

Slide 40 text

Organization Tuesday, October 9, 12

Slide 41

Slide 41 text

Communication Tuesday, October 9, 12

Slide 42

Slide 42 text

Tuesday, October 9, 12

Slide 43

Slide 43 text

Tuesday, October 9, 12

Slide 44

Slide 44 text

HTTP lead_path = 'http://leads.myapp.com/leads/1.json' response = HTTParty.get(lead_path) #... Send lead to a school ... data = {lead_id: 1, school_id: 3, sent_at: ‘2012-10-2’} reporting_path = 'http://reporting.myapp.com/lead_sent/' HTTParty.post(reporting_path, {body: data}) Tuesday, October 9, 12

Slide 45

Slide 45 text

HTTP lead_path = 'http://leads.myapp.com/leads/1.json' response = HTTParty.get(lead_path) #... Send lead to a school ... data = {lead_id: 1, school_id: 3, sent_at: ‘2012-10-2’} reporting_path = 'http://reporting.myapp.com/lead_sent/' HTTParty.post(reporting_path, {body: data}) Tuesday, October 9, 12

Slide 46

Slide 46 text

HTTP lead_path = 'http://leads.myapp.com/leads/1.json' response = HTTParty.get(lead_path) #... Send lead to a school ... data = {lead_id: 1, school_id: 3, sent_at: ‘2012-10-2’} reporting_path = 'http://reporting.myapp.com/lead_sent/' HTTParty.post(reporting_path, {body: data}) Tuesday, October 9, 12

Slide 47

Slide 47 text

HTTP lead_path = 'http://leads.myapp.com/leads/1.json' response = HTTParty.get(lead_path) #... Send lead to a school ... data = {lead_id: 1, school_id: 3, sent_at: ‘2012-10-2’} reporting_path = 'http://reporting.myapp.com/lead_sent/' HTTParty.post(reporting_path, {body: data}) Tuesday, October 9, 12

Slide 48

Slide 48 text

HTTP Tuesday, October 9, 12

Slide 49

Slide 49 text

HTTP ‣ Synchronous Tuesday, October 9, 12

Slide 50

Slide 50 text

HTTP ‣ Synchronous ‣ Response Needed to Continue Tuesday, October 9, 12

Slide 51

Slide 51 text

HTTP ‣ Synchronous ‣ Response Needed to Continue ‣ Immediate Action Tuesday, October 9, 12

Slide 52

Slide 52 text

HTTP ‣ Synchronous ‣ Response Needed to Continue ‣ Immediate Action ‣ Information Requests Tuesday, October 9, 12

Slide 53

Slide 53 text

Organization Tuesday, October 9, 12

Slide 54

Slide 54 text

Organization Tuesday, October 9, 12

Slide 55

Slide 55 text

Queue/Worker Tuesday, October 9, 12

Slide 56

Slide 56 text

Resque class LeadSubmitter @queue = :sell_leads def perform(lead_id, school_id = nil) lead = Lead.request(lead_id) school = School.find_by_id(school_id) if school_id school ||= SchoolFinder.find_school_for(lead) school.submit(lead) Resque.enqueue(Reporting, :lead_submitted, lead_id, school.id, Time.now) end end class Lead < ActiveRecord::Base after_create :sell_lead def sell_lead Resque.enqueue(LeadSubmitter, self.id, self.school_id) end end Tuesday, October 9, 12

Slide 57

Slide 57 text

Resque class LeadSubmitter @queue = :sell_leads def perform(lead_id, school_id = nil) lead = Lead.request(lead_id) school = School.find_by_id(school_id) if school_id school ||= SchoolFinder.find_school_for(lead) school.submit(lead) Resque.enqueue(Reporting, :lead_submitted, lead_id, school.id, Time.now) end end class Lead < ActiveRecord::Base after_create :sell_lead def sell_lead Resque.enqueue(LeadSubmitter, self.id, self.school_id) end end Tuesday, October 9, 12

Slide 58

Slide 58 text

Resque class LeadSubmitter @queue = :sell_leads def perform(lead_id, school_id = nil) lead = Lead.request(lead_id) school = School.find_by_id(school_id) if school_id school ||= SchoolFinder.find_school_for(lead) school.submit(lead) Resque.enqueue(Reporting, :lead_submitted, lead_id, school.id, Time.now) end end class Lead < ActiveRecord::Base after_create :sell_lead def sell_lead Resque.enqueue(LeadSubmitter, self.id, self.school_id) end end Tuesday, October 9, 12

Slide 59

Slide 59 text

Resque class LeadSubmitter @queue = :sell_leads def perform(lead_id, school_id = nil) lead = Lead.request(lead_id) school = School.find_by_id(school_id) if school_id school ||= SchoolFinder.find_school_for(lead) school.submit(lead) Resque.enqueue(Reporting, :lead_submitted, lead_id, school.id, Time.now) end end class Lead < ActiveRecord::Base after_create :sell_lead def sell_lead Resque.enqueue(LeadSubmitter, self.id, self.school_id) end end Tuesday, October 9, 12

Slide 60

Slide 60 text

Resque class LeadSubmitter @queue = :sell_leads def perform(lead_id, school_id = nil) lead = Lead.request(lead_id) school = School.find_by_id(school_id) if school_id school ||= SchoolFinder.find_school_for(lead) school.submit(lead) Resque.enqueue(Reporting, :lead_submitted, lead_id, school.id, Time.now) end end class Lead < ActiveRecord::Base after_create :sell_lead def sell_lead Resque.enqueue(LeadSubmitter, self.id, self.school_id) end end Tuesday, October 9, 12

Slide 61

Slide 61 text

Resque class LeadSubmitter @queue = :sell_leads def perform(lead_id, school_id = nil) lead = Lead.request(lead_id) school = School.find_by_id(school_id) if school_id school ||= SchoolFinder.find_school_for(lead) school.submit(lead) Resque.enqueue(Reporting, :lead_submitted, lead_id, school.id, Time.now) end end class Lead < ActiveRecord::Base after_create :sell_lead def sell_lead Resque.enqueue(LeadSubmitter, self.id, self.school_id) end end Tuesday, October 9, 12

Slide 62

Slide 62 text

Queuing Tuesday, October 9, 12

Slide 63

Slide 63 text

Queuing ‣ Asynchronous Tuesday, October 9, 12

Slide 64

Slide 64 text

Queuing ‣ Asynchronous ‣ Response Not Needed to Continue Tuesday, October 9, 12

Slide 65

Slide 65 text

Queuing ‣ Asynchronous ‣ Response Not Needed to Continue ‣ Writing New Data Tuesday, October 9, 12

Slide 66

Slide 66 text

Queuing ‣ Asynchronous ‣ Response Not Needed to Continue ‣ Writing New Data ‣ Jobs Done Out of Band Tuesday, October 9, 12

Slide 67

Slide 67 text

Organization Tuesday, October 9, 12

Slide 68

Slide 68 text

Organization Tuesday, October 9, 12

Slide 69

Slide 69 text

Feeds Tuesday, October 9, 12

Slide 70

Slide 70 text

JSON Feed class LeadController < ApplicationController def feed marker = params[:marker] leads = Lead.where(['id > ?', marker.to_i]).all if marker leads ||= Lead.all render json: leads end end # daemon require 'lead' while(true) do marker = 0 response = HTTParty.get("http://leads.myapp.com/feed?marker=#{marker}") lead_hashes = response.parsed_response lead_hashes.each do |lead_hash| lead = Lead.new(lead_hash) Worker.process lead end marker = lead_hashes.last[:id] unless lead_hashes.empty? sleep(1) if lead_hashes.empty? end Tuesday, October 9, 12

Slide 71

Slide 71 text

JSON Feed class LeadController < ApplicationController def feed marker = params[:marker] leads = Lead.where(['id > ?', marker.to_i]).all if marker leads ||= Lead.all render json: leads end end # daemon require 'lead' while(true) do marker = 0 response = HTTParty.get("http://leads.myapp.com/feed?marker=#{marker}") lead_hashes = response.parsed_response lead_hashes.each do |lead_hash| lead = Lead.new(lead_hash) Worker.process lead end marker = lead_hashes.last[:id] unless lead_hashes.empty? sleep(1) if lead_hashes.empty? end Tuesday, October 9, 12

Slide 72

Slide 72 text

JSON Feed class LeadController < ApplicationController def feed marker = params[:marker] leads = Lead.where(['id > ?', marker.to_i]).all if marker leads ||= Lead.all render json: leads end end # daemon require 'lead' while(true) do marker = 0 response = HTTParty.get("http://leads.myapp.com/feed?marker=#{marker}") lead_hashes = response.parsed_response lead_hashes.each do |lead_hash| lead = Lead.new(lead_hash) Worker.process lead end marker = lead_hashes.last[:id] unless lead_hashes.empty? sleep(1) if lead_hashes.empty? end Tuesday, October 9, 12

Slide 73

Slide 73 text

JSON Feed class LeadController < ApplicationController def feed marker = params[:marker] leads = Lead.where(['id > ?', marker.to_i]).all if marker leads ||= Lead.all render json: leads end end # daemon require 'lead' while(true) do marker = 0 response = HTTParty.get("http://leads.myapp.com/feed?marker=#{marker}") lead_hashes = response.parsed_response lead_hashes.each do |lead_hash| lead = Lead.new(lead_hash) Worker.process lead end marker = lead_hashes.last[:id] unless lead_hashes.empty? sleep(1) if lead_hashes.empty? end Tuesday, October 9, 12

Slide 74

Slide 74 text

JSON Feed class LeadController < ApplicationController def feed marker = params[:marker] leads = Lead.where(['id > ?', marker.to_i]).all if marker leads ||= Lead.all render json: leads end end # daemon require 'lead' while(true) do marker = 0 response = HTTParty.get("http://leads.myapp.com/feed?marker=#{marker}") lead_hashes = response.parsed_response lead_hashes.each do |lead_hash| lead = Lead.new(lead_hash) Worker.process lead end marker = lead_hashes.last[:id] unless lead_hashes.empty? sleep(1) if lead_hashes.empty? end Tuesday, October 9, 12

Slide 75

Slide 75 text

JSON Feed class LeadController < ApplicationController def feed marker = params[:marker] leads = Lead.where(['id > ?', marker.to_i]).all if marker leads ||= Lead.all render json: leads end end # daemon require 'lead' while(true) do marker = 0 response = HTTParty.get("http://leads.myapp.com/feed?marker=#{marker}") lead_hashes = response.parsed_response lead_hashes.each do |lead_hash| lead = Lead.new(lead_hash) Worker.process lead end marker = lead_hashes.last[:id] unless lead_hashes.empty? sleep(1) if lead_hashes.empty? end Tuesday, October 9, 12

Slide 76

Slide 76 text

Feeds Tuesday, October 9, 12

Slide 77

Slide 77 text

Feeds ‣ Asynchronous Tuesday, October 9, 12

Slide 78

Slide 78 text

Feeds ‣ Asynchronous ‣ Idempotence Tuesday, October 9, 12

Slide 79

Slide 79 text

Feeds ‣ Asynchronous ‣ Idempotence ‣ Events Tuesday, October 9, 12

Slide 80

Slide 80 text

Feeds ‣ Asynchronous ‣ Idempotence ‣ Events ‣ Allows Full Replay Tuesday, October 9, 12

Slide 81

Slide 81 text

Front End Services Tuesday, October 9, 12

Slide 82

Slide 82 text

Organization Tuesday, October 9, 12

Slide 83

Slide 83 text

Organization Tuesday, October 9, 12

Slide 84

Slide 84 text

Organization Tuesday, October 9, 12

Slide 85

Slide 85 text

User Management Tuesday, October 9, 12

Slide 86

Slide 86 text

CMS Tuesday, October 9, 12

Slide 87

Slide 87 text

CMS ‣ Reﬁnery CMS Tuesday, October 9, 12

Slide 88

Slide 88 text

CMS ‣ Reﬁnery CMS ‣ Radiant CMS Tuesday, October 9, 12

Slide 89

Slide 89 text

CMS ‣ Reﬁnery CMS ‣ Radiant CMS ‣ Build Your Own Tuesday, October 9, 12

Slide 90

Slide 90 text

A Few Notes... lead_path = 'http://leads.myapp.com/leads/1.json' response = HTTParty.get(lead_path) #... Send lead to a school ... data = {lead_id: 1, school_id: 3, sent_at: ‘2012-10-2’} reporting_path = 'http://reporting.myapp.com/lead_sent/' HTTParty.post(reporting_path, {body: data}) Tuesday, October 9, 12

Slide 91

Slide 91 text

A Few Notes... lead_path = 'http://leads.myapp.com/leads/1.json' response = HTTParty.get(lead_path) #... Send lead to a school ... data = {lead_id: 1, school_id: 3, sent_at: ‘2012-10-2’} reporting_path = 'http://reporting.myapp.com/lead_sent/' HTTParty.post(reporting_path, {body: data}) Tuesday, October 9, 12

Slide 92

Slide 92 text

A Few Notes... class LeadController < ApplicationController def feed marker = params[:marker] leads = Lead.where(['id > ?', marker.to_i]).all if marker leads ||= Lead.all render json: leads end end # daemon require 'lead' while(true) do marker = 0 response = HTTParty.get("http://leads.myapp.com/feed?marker=#{marker}") lead_hashes = response.parsed_response lead_hashes.each do |lead_hash| lead = Lead.new(lead_hash) Worker.process lead end marker = lead_hashes.last[:id] unless lead_hashes.empty? sleep(1) if lead_hashes.empty? end Tuesday, October 9, 12

Slide 93

Slide 93 text

Naming Services Tuesday, October 9, 12

Slide 94

Slide 94 text

Naming Services ‣ Domains Tuesday, October 9, 12

Slide 95

Slide 95 text

Naming Services ‣ Domains ‣ Subdomains (DNS) Tuesday, October 9, 12

Slide 96

Slide 96 text

Naming Services ‣ Domains ‣ Subdomains (DNS) ‣ Paths (rack-mount) Tuesday, October 9, 12

Slide 97

Slide 97 text

Naming Services ‣ Domains ‣ Subdomains (DNS) ‣ Paths (rack-mount) ‣ Server Name Tuesday, October 9, 12

Slide 98

Slide 98 text

Naming Services ‣ Domains ‣ Subdomains (DNS) ‣ Paths (rack-mount) ‣ Server Name ‣ IP Address Tuesday, October 9, 12

Slide 99

Slide 99 text

Security ‣ SSL ‣ Encryption(Shared key) ‣ Server Registration ‣ API keys ‣ IP Whitelist (hosts.allow) ‣ Firewalls ‣ Authentication/Authorization Tuesday, October 9, 12

Slide 100

Slide 100 text

Online Training ‣ http://bit.ly/SZMoxY Tuesday, October 9, 12

Slide 101

Slide 101 text

Charles Max Wood ‣ Lead Developer at Intentional Excellence Productions ‣ http://rubyrogues.com ‣ @cmaxw ‣ 801-367-6164 ‣ chuck@teachmetocode.com Tuesday, October 9, 12