Download - Devops services

DevOps Services

PREPARED BY:Mykola Zolotarov DevOps Engineer

30 July 2015

Case: Automated tests with CI server

● Run tests based on scheduler● Single point of reports and analyzing ● Notifications

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CI JenkinsTerminology

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SlaveExecutes tasks (jobs)

Generates reports

MasterProvides WEB and API interfaces

Stores tasks (jobs)

Analyses reports, generates notifications

CI JenkinsArchitecture

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Master

Slave Slave Slave

● Run multiple tasks in parallel● Run tasks in different geographical locations● High available in case of slave node failure


Master

● Master uses minimum resources, no licence needed● Utilize maximum resources of windows machine with

multiple slaves

Slave

RDP

Slave

RDP

Slave

RDP

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Master ● Utilize all possible hosting platforms

Case: Infrastructure improvementsClient: SavvyMoney (CA, USA) company providing financial management services. There are several different web applications and environments.

Problem statement: ● Increasing total cost of ownership (TCO)● Low SLA because of environmental problems● Manually configured machines and services● Poor hardware/software monitoring

Approach:● Automatic fault tolerance● Automatic application scaling● Automatic configuration and server provisioning● Automatic application deployments● Security● Continuous monitoring and notifications● Backup and restore strategies

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Infrastructure before improvements

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db1 db2

clients

app1 app2 app3

● Numerous points of failure● Cost ineffective● Unreliable● Manually configured● Only vertical scaling is possible● Security issues frontend server

mgmt

Infrastructure after improvements

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app1 sg

app2 sg

app3 sg

frontend sg

load balancers

clients

mgmt

db1 db1r

db2 db2r

ACS monitoring

CI

bastion

DMZ

High Availability (HA)Automatic fault tolerance

Goals:● No single point of failure● Two small are always better than one large

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Automatic scalingCost saving and effectivenessGoals:

● Increase number of running machines on high load to get more capacity● Reduce number of machines when load decreases to save money

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Without autoscaling With autoscaling

Automatic server configuration● Automatically deploy and track services● Define desired state of infrastructure,

not the way how to configure it● Manage infrastructure from single point● Keep infrastructure as code:

DevOps Engineer

ConfigurationServer

node 'www1.example.com' {package{‘nginx’: ensure => installed }file {‘nginx.conf’: content => template(“nginx/nginx.conf.erb”) }}

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Continuous development & deployment

BuildTestDeploy

Commitcode to VCS

PullChanges

CI Server

Checkout

Developers

Send notification

Deploy to repo

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Run automate

d tests

Real-time system health monitoring

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● Realtime stats● Hardware monitoring● Software monitoring● Notifications & Alerts

Advantages of DevOps services● SLA > 99.95% ● Up to 30% of TCO savings● Flow automation● Cost effective environments● Reliable infrastructure● Automatically configured instances● Horizontal auto scaling ● Advanced Security

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