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Досвід роботи

DevOps Engineer, Senior Unix system administration

з 01.2009 по нині (15 років 5 місяців)
IT

Администрирование Unix System - 2009-2013 в ITSourceUA
Опыт
Инженер DevOps и старший системный администратор Unix - 2016 - 2019 в ITSourceUA
Профессиональные знания
• ОС - Unix, Linux;
• Базы данных - MySQL, Postgresql, MariaDb, Aurora;
• Виртуализация - VMware, ESXI, Proxmox, Docker, KVM;
• Мониторинг - Newrelic, Nagios, Zabbix, Prometheus, Grafana;
• Проект AWS - AWS Elastic Beanstalk, База данных, EC2, экземпляр, Автоматическое масштабирование, VPC, Route53, AWS Балансировщик нагрузки, ECS, ECR (Проект, реализующий отказоустойчивое решение для бесперебойной работы веб-проекта в период высокой нагрузки. );
• CI / CD - Circle CI, Gitlab CI, Jenkins; • Скриптинг - Bash, Python;
• Почтовый сервер - Exim, Postfix, Dovecot;
• Веб-сервер - Apache, Nginx + PHP-FPM
• Logging - ELK (EFK)

Освіта

Украинский институт информационных технологий (UA, Киев)

Информационные технологии, Киев
Вища, з 2003 по 2008 (4 роки 9 місяців)

Додаткова інформація

Краткое описание одного из реализованы проектов

The project implementing a fault-tolerant solution for an uninterrupted work of the web-project in highload period.
TASKS
1.Configuring Elastic beanstalk aws for API according to UI service.
2.Development of optimal plans for auto-scalability of API and UI on the basis of expected loads.
3.Implementing containerization for UI.
4.Automate the API deployment pipeline using Circle CI according to UI.
5.Connect all services to newrelic monitoring.
6.Develop and implement a backup RDS database (postgresql) with the ability to quickly recover from backup.
7.Deploying Elastic Beanstalk Applications from Docker Containers - AWS Elastic Beanstalk 8. Integrate API testing with Github PRs.
9. Organization the centralized logging of all services (API, UI, RDS, Docker).
10.Realize http2 protocol.
BRIEF PROJECT DESCRIPTION
Implement in the project the optimal scalability of the shared services of the UI and API with the help of the Amazon elastic beanstalk. Organize the automatic assembly and testing of the Docker images with CircleCI and also the automatic deployment of the image to the elastic beanstalk. Having selected the key components, organize their monitoring on the newrelic cloud service.
Although Amazon provides backup RDS according to the settings of the backup schedule, it does not allow you to reserve individual databases and makes a backup copy of the RDS entirely. It is recommended to additionally use a dedicated t2.small EC2 instance for backup service and store backup copies of individual databases.
Using a docker with Elastic Beanstalk will allow you to use customized application environments with the flexibility of scalability and balancing.
Using the CircleCI, it is necessary to integrate the API test server with github.
For organization centralized logging will be used Logstash + Kibana on dedicated amazon t2.small EC2 instances. Logstash is an open solution for processing large data streams. this solution can be centralized to collect, filter, and output in a conveniently-readable format logs from all servers in one place. Logstash uses ElasticSearch to store data and Kibana serves as a good web interface for log visualization. Since Logstash uses Java, it is recommended that you use a dedicated instance for this service. Since at the beginning the main load is not planned to be large, for this purpose t2.medium instance.
To use the http2 protocol, will need to prepare and reconfigure the nginx.
Hobbies
Microcontroller programming