Tweet
Tweet

Slide 1

Slide 1 text

Docker and OTP: Friends or Foes? Daniel Azuma

Slide 2

Slide 2 text

Docker and OTP: Friends or Foes? Daniel Azuma

Slide 3

Slide 3 text

No content

Slide 4

Slide 4 text

Web client Javascript

Slide 5

Slide 5 text

Web client Javascript HTTP/ websocket

Slide 6

Slide 6 text

Web client Tanx Phoenix app Javascript HTTP/ websocket

Slide 7

Slide 7 text

Web client Tanx Phoenix app Game Server Javascript HTTP/ websocket

Slide 8

Slide 8 text

Web client Tanx Phoenix app Game Server Game Updater Javascript HTTP/ websocket

Slide 9

Slide 9 text

Web client Tanx Phoenix app Game Server Game Updater Game Supervisor Javascript HTTP/ websocket

Slide 10

Slide 10 text

Web client Tanx Phoenix app Game Server Game Updater Game Supervisor HTTP/ websocket Javascript

Slide 11

Slide 11 text

Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor HTTP/ websocket Javascript

Slide 12

Slide 12 text

Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor HTTP/ websocket Load Balancer Javascript

Slide 13

Slide 13 text

Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor HTTP/ websocket messages Load Balancer Javascript

Slide 14

Slide 14 text

Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor HTTP/ websocket messages Load Balancer Javascript

Slide 15

Slide 15 text

Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor HTTP/ websocket messages Load Balancer Javascript

Slide 16

Slide 16 text

Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor HTTP/ websocket messages Load Balancer Javascript

Slide 17

Slide 17 text

Deployment

Slide 18

Slide 18 text

No content

Slide 19

Slide 19 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor HTTP/ websocket messages Docker Container Javascript

Slide 20

Slide 20 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor HTTP/ websocket messages Docker Container Updated Container Javascript

Slide 21

Slide 21 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor HTTP/ websocket messages Docker Container Updated Container Javascript

Slide 22

Slide 22 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor HTTP/ websocket messages Docker Container Updated Container Javascript

Slide 23

Slide 23 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor Javascript HTTP/ websocket messages Docker Container Updated Container

Slide 24

Slide 24 text

Containers vs OTP

Slide 25

Slide 25 text

No content

Slide 26

Slide 26 text

No content

Slide 27

Slide 27 text

No content

Slide 28

Slide 28 text

I want to terminate containers! I want long-running GenServers!

Slide 29

Slide 29 text

I want to host in the cloud! I want total control of resources!

Slide 30

Slide 30 text

?

Slide 31

Slide 31 text

No content

Slide 32

Slide 32 text

No content

Slide 33

Slide 33 text

☺ Familiar

Slide 34

Slide 34 text

☺ Familiar Isolating

Slide 35

Slide 35 text

No content

Slide 36

Slide 36 text

Phoenix == Rails??

Slide 37

Slide 37 text

No content

Slide 38

Slide 38 text

No content

Slide 39

Slide 39 text

https://www.flickr.com/photos/bcgrote/2884221396

Slide 40

Slide 40 text

No content

Slide 41

Slide 41 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor Javascript HTTP/ websocket messages Node 2 Node 1

Slide 42

Slide 42 text

Problem 1: Maintaining an Erlang Cluster

Slide 43

Slide 43 text

https://github.com/bitwalker/libcluster

Slide 44

Slide 44 text

No content

Slide 45

Slide 45 text

Problem 2: Handling node shutdown

Slide 46

Slide 46 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor Javascript HTTP/ websocket messages Node 2 Node 1

Slide 47

Slide 47 text

Channels

Slide 48

Slide 48 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor Javascript HTTP/ websocket messages Node 2 Node 1

Slide 49

Slide 49 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor Javascript HTTP/ websocket messages Node 2 Node 1 ❗

Slide 50

Slide 50 text

Load Balancer Web client Tanx Phoenix app Game Server Game Updater Game Supervisor Javascript HTTP/ websocket Node 2 Node 1

Slide 51

Slide 51 text

Load Balancer Web client Tanx Phoenix app Game Server Game Updater Game Supervisor Javascript HTTP/ websocket Node 2 Node 1

Slide 52

Slide 52 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor Javascript HTTP/ websocket messages Node 2 Node 1

Slide 53

Slide 53 text

GenServers

Slide 54

Slide 54 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor Javascript HTTP/ websocket messages Node 2 Node 1

Slide 55

Slide 55 text

Load Balancer Web client Tanx Phoenix app Channel Game Server Game Updater Game Supervisor Javascript HTTP/ websocket messages Node 2 Node 1

Slide 56

Slide 56 text

“Distributed” Supervisor

Slide 57

Slide 57 text

https://github.com/derekkraan/horde

Slide 58

Slide 58 text

Node 2 Node 1 Horde Supervisor Horde Supervisor Tanx Phoenix app

Slide 59

Slide 59 text

Node 2 Node 1 Horde Supervisor Horde Supervisor Tanx Phoenix app

Slide 60

Slide 60 text

Node 2 Game Server Game Updater Game Supervisor Node 1 Horde Supervisor Horde Supervisor Tanx Phoenix app

Slide 61

Slide 61 text

Node 2 Game Server Game Updater Game Supervisor Node 1 Horde Supervisor Horde Supervisor Tanx Phoenix app

Slide 62

Slide 62 text

Node 2 Game Server Game Updater Game Supervisor Node 1 Horde Supervisor Horde Supervisor Game Server Game Updater Game Supervisor Tanx Phoenix app

Slide 63

Slide 63 text

Problem 3: Preserving process state

Slide 64

Slide 64 text

“Distributed” Agent

Slide 65

Slide 65 text

“Distributed” Agent == CRDT

Slide 66

Slide 66 text

Node 2 Game Server Game Updater Game Supervisor Node 1 Horde Supervisor Horde Supervisor Tanx Phoenix app

Slide 67

Slide 67 text

Node 2 Game Server Game Updater Game Supervisor Node 1 Horde Supervisor Horde Supervisor Handoff CRDT Handoff CRDT Tanx Phoenix app

Slide 68

Slide 68 text

Node 2 Game Server Game Updater Game Supervisor Node 1 Horde Supervisor Horde Supervisor Handoff CRDT Handoff CRDT Tanx Phoenix app

Slide 69

Slide 69 text

Node 2 Game Server Game Updater Game Supervisor Node 1 Horde Supervisor Horde Supervisor Handoff CRDT Handoff CRDT Tanx Phoenix app SIGTERM

Slide 70

Slide 70 text

Node 2 Game Server Game Updater Game Supervisor Node 1 Horde Supervisor Horde Supervisor Handoff CRDT Handoff CRDT Tanx Phoenix app SIGTERM

Slide 71

Slide 71 text

Node 1 Horde Supervisor Handoff CRDT Handoff CRDT Node 2 Game Server Game Updater Game Supervisor Horde Supervisor Tanx Phoenix app

Slide 72

Slide 72 text

Node 1 Horde Supervisor Handoff CRDT Handoff CRDT Node 2 Game Server Game Updater Game Supervisor Horde Supervisor Game Server Game Updater Game Supervisor Tanx Phoenix app

Slide 73

Slide 73 text

Node 1 Horde Supervisor Handoff CRDT Handoff CRDT Node 2 Game Server Game Updater Game Supervisor Horde Supervisor Game Server Game Updater Game Supervisor Tanx Phoenix app

Slide 74

Slide 74 text

Problem 4: Preserving communication

Slide 75

Slide 75 text

“Distributed” Registry

Slide 76

Slide 76 text

Node 2 Game Server Game Updater Game Supervisor Channel Node 1 Horde Supervisor Horde Supervisor Handoff CRDT Handoff CRDT

Slide 77

Slide 77 text

Node 2 Game Server Game Updater Game Supervisor Channel Node 1 Horde Supervisor Horde Supervisor Handoff CRDT Horde Registry Handoff CRDT Horde Registry

Slide 78

Slide 78 text

Node 2 Game Server Game Updater Game Supervisor Channel Node 1 Horde Supervisor Horde Supervisor Handoff CRDT Horde Registry Handoff CRDT Horde Registry register

Slide 79

Slide 79 text

Node 2 Game Server Game Updater Game Supervisor Channel Node 1 Horde Supervisor Horde Supervisor Handoff CRDT Horde Registry Handoff CRDT Horde Registry m essages

Slide 80

Slide 80 text

Node 1 Horde Supervisor Handoff CRDT Handoff CRDT Node 2 Game Server Game Updater Game Supervisor Horde Supervisor Game Server Game Updater Game Supervisor Tanx Phoenix app Channel Horde Registry Horde Registry reregister

Slide 81

Slide 81 text

Connect Erlang cluster — Move/restart processes — Hand off process state — Maintain communication — LibCluster Horde Supervisor CRDT Horde Registry

Slide 82

Slide 82 text

Does it work?

Slide 83

Slide 83 text

audience participation demo! http://tanx.elixir-seattle.net

Slide 84

Slide 84 text

Load Balancer v1 Javascript HTTP/ websocket v1 http://tanx.elixir-seattle.net

Slide 85

Slide 85 text

Load Balancer v1 Javascript HTTP/ websocket v1 http://tanx.elixir-seattle.net

Slide 86

Slide 86 text

Load Balancer v1 Javascript HTTP/ websocket v1 v2 v2 http://tanx.elixir-seattle.net

Slide 87

Slide 87 text

v2 Load Balancer v1 Javascript HTTP/ websocket v1 v2 http://tanx.elixir-seattle.net

Slide 88

Slide 88 text

No content

Slide 89

Slide 89 text

Processes ❤ Containers

Slide 90

Slide 90 text

https://github.com/bitwalker/swarm https://lasp-lang.org

Slide 91

Slide 91 text

No content

Slide 92

Slide 92 text

No content

Slide 93

Slide 93 text

No content

Slide 94

Slide 94 text

Friends?

Slide 95

Slide 95 text

Thank you! http://daniel-azuma.com/elixirconf2018

Slide 96

Slide 96 text

Thank you! http://daniel-azuma.com/elixirconf2018 http://tanx.elixir-seattle.net

Slide 97

Slide 97 text

No content