This document discusses implementing DevOps practices and technologies like Terraform and Ansible to create a fault-tolerant web store. It outlines creating the VM infrastructure with Terraform including load balancing. Ansible is used to install and configure software. A Jenkins pipeline is created for continuous integration and delivery. A Galera cluster provides database replication across multiple servers. Monitoring and backups are also implemented.

1. Применение технологий
DevOps для создания
отказоустойчивого сайта
Implementing DevOps methodology for creating
fault-tolerant web-store

2. DevOps как принцип построения
процесса
совместной разработки
https://bit.ly/1srqX0u
What is DevOps? - In Simple English

3. Отцы основатели
The (Short) History of DevOps
https://bit.ly/2Nqoik3
10+ Deploys
Per Day: Dev
and Ops
Cooperation at
Flickr

4. Key process and
technologies of DevOps
https://bit.ly/2uudXw3

5. Successful companies
https://bit.ly/2uHUOX4
https://bit.ly/2uHUOX4
DevOps, how do I implement in a large enterprise?

6. Other side of the coin
https://bit.ly/2NTFoHQ
The state of application delivery

7. Infrastructure before relocation,
first pitfalls

8. Terraform structure short description
структура папок общего плана
https://www.terraform.io/docs/index.html

9. Terraform providers
https://www.terraform.io/docs/providers/

10. Project creation stages
1. Create VM infrastructure and network balancing (only this
stage will be shown);
2. Create Jenkins pipeline;
3. Create DB servers and setup Galera replication.
All demo scripts could be downloaded from
https://github.com/fredtz/deveopsprsnt

11. Stage 1. Creation VM
infrastructure (TF Demo)
- Create VM
- Assign tags and IPv6
- create balancer
Useful commands:
-Terraform init
- terraform plan
-Terraform apply
-Terraform show
-Terraform destroy
Automating the Cloud with
Terraform, and Ansible
By Brian Hogan
https://bit.ly/2JvAehZ

12. Ansible structure short
description
структура исполняемого скриптинга Ansible
Ansible Automation : Ansible Installation and Configuration
https://bit.ly/2zNxFbs

13. Stage 1-2. Installation of
software with Ansible
Command for demo:
ansible --version
ansible-inventory --list
sudo ansible-playbook ./playbook.yml -i /Users/1/ansible-demo/hosts --private-key /Users/1/terraform-demo/.ssh/id_rsa
ansible-inventory -i hosts —graph
Configuration Management With Ansible: A Whirlwind Tour
https://bit.ly/2NXiu2g

14. Stage 2. Jenkins pipeline.

15. Pipeline description
PHP
Jenkinsfile (Declarative Pipeline)
pipeline { agent { docker { image 'php' } }
stages
{ stage('build')
{ steps
{ sh 'php --version' }
} } }
Creating your first Pipeline
https://bit.ly/2L6oRmp

16. Stage 3. Master-master DB
replication with Galera Cluster
Replication schema recommended by Amazon AWS
Листинг galera.conf
[mysqld]
binlog_format=ROW
default-storage-engine=innodb
innodb_autoinc_lock_mode=2
bind-address=0.0.0.0
# Galera Provider Configuration
wsrep_on=ON
wsrep_provider=/usr/lib/galera/libgalera_smm.so
# Galera Cluster Configuration
wsrep_cluster_name=galera_cluster
wsrep_cluster_address=gcomm://PUBLIC-IP1,PUBLIC-IP2
# Galera Synchronization Configuration
wsrep_sst_method=rsync
# Galera Node Configuration
wsrep_node_address=PUBLIC-IP1
wsrep_node_name=DB-hostname
Galera Cluster for MySQL - Tutorial
https://bit.ly/2Jw9E8h

17. Current network topology

18. Current logical topology

19. Backup and monitoring
Monitoring Quickstart
https://do.co/2L5ETgf

20. Test & perfomance

21. What’s next?

22. Solution cost (per month)
Service type Cost per month, USD
DigitalOcean VM rent 50
TotalUptime balancing service 29
Hetzner DNS/mail services 5
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TOTAL 84

23. Вопросы?
В оформлении презентации использовались работы фотографа под
ником Lyokin (https://www.instagram.com/lyokin_com/) в частности виды
Мингачевирского водохранилища, окрестности села Ивановка
Исмаиллинского района и Красные горы в Хызы (Азербайджан)
Чтобы спросить еще раз :) меня можно найти на
LINKEDIN: https://www.linkedin.com/in/fbadalov/
Github: https://github.com/fredtz/
e-mail: farkhad.badalov@gmail.com
страничка DevOps Baku on Facebook: https://bit.ly/2mhgzJd
Как стать DevOps инженером за 6 месяцев - ->
https://bit.ly/2LlGhXS
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caption.