This document provides an overview of OpenShift Container Platform, including: - Descriptions of containers, DevOps, and the main components of OpenShift - How OpenShift monitors application health and provides centralized logging - How it improves developer productivity through features like self-service provisioning, CI/CD pipelines, and consistent environments - An explanation of key OpenShift concepts like pods, services, routes, replication controllers, and how applications are deployed and updated

1. OpenShift Container Platform
Open Cloud Day Diciembre
Jose David Gamboa Gomezflores
<jgamboag@redhat.com>
Middleware Solutions Architect
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2. 2
● Contenedores y DevOps
● Descripción de OpenShift
● Componentes Principales
● Monitoreo del Estado de Vida de las Aplicaciones
● Logging Centralizado
● Productividad del Desarrollador
Agenda

3. 3
Contenedores

4. CONFIDENTIAL Designator
THE SITUATION
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5. 5
I.T. OPERATIONSDEVELOPERS

7. THE SOLUTION
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8. 8
WHAT ARE CONTAINERS?
It Depends Who You Ask
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INFRASTRUCTURE APPLICATIONS

9. 9
THE SOLUTION

11. 11
Openshift Container
Platform

12. 12
VIRTUAL MACHINES AND CONTAINERS
VIRTUAL MACHINES CONTAINERS
virtual machines are isolated
apps are not
containers are isolated
so are the apps
VM
OS Dependencies
Kernel
Hypervisor
Hardware
App App App App
Hardware
Container Host (Kernel)
Container
App
OS deps
Container
App
OS deps
Container
App
OS deps
Container
App
OS deps

13. Self-Service
Multi-language
Automation
Collaboration
Multi-tenant
Standards-based
Web-scale
Open Source
Enterprise Grade
Secure

14. Trusted enterprise
Kubernetes
Empowering
developers to
innovate
Cloud-like experience
everywhere
Open source innovation
Why customers choose Red Hat OpenShift

15. 15
App 1
OPENSHIFT CONTAINER PLATFORM
App 2 App 3 App 4 App 5 App 6 App 7
cont cont cont cont cont contcont
OPENSHIFT CONTAINER PLATFORM
The New Center for Application Development

16. OpenShift

17. 17
Architecture
c

18. Core Concepts

19. OpenShift Concepts
a container is the smallest compute unit
CONTAINER

20. OpenShift Concepts
containers are created from
container images
BINARY RUNTIME
CONTAINERIMAGE

21. OpenShift Concepts
IMAGE REGISTRY
container images are stored in
an image registry
CONTAINER
IMAGE IMAGE IMAGE
IMAGE IMAGE IMAGE

22. OpenShift Concepts
an image repository contains all versions of an
image in the image registry
IMAGE REGISTRY
frontend:latest
frontend:2.0
frontend:1.1
frontend:1.0
mongo:latest
mongo:3.7
mongo:3.6
mongo:3.4
myregistry/frontend myregistry/mongo
IMAGE
IMAGE
IMAGE
IMAGE
IMAGE
IMAGE
IMAGE
IMAGE

23. OpenShift Concepts
containers are wrapped in pods which are
units of deployment and management
POD
CONTAINER
10.140.4.44
POD
CONTAINER
10.15.6.55
CONTAINER

24. OpenShift Concepts
ReplicationControllers &
ReplicaSets ensure a specified number of
pods are running at any given time
image name
replicas
labels
cpu
memory
storage
ReplicaSet
ReplicationController
POD
CONTAINER
POD
CONTAINER ...
POD
CONTAINER
1 2 N

25. OpenShift Concepts
Deployments and
DeploymentConfigurations define how to roll
out new versions of Pods
image name
replicas
labels
version
strategy
Deployment
DeploymentConfig
POD
CONTAINER
POD
CONTAINER
v1 v2

26. Dev
OpenShift Concepts
configmaps allow you to decouple
configuration artifacts from image content
appconfig.conf
MYCONFIG=true
ConfigMap
POD
CONTAINER
Prod
appconfig.conf
MYCONFIG=false
ConfigMap
POD
CONTAINER

27. OpenShift Concepts
secrets provide a mechanism to hold
sensitive information such as passwords
Dev
hash.pw
ZGV2Cg==
ConfigMap
POD
CONTAINER
Prod
hash.pw
cHJvZAo=
ConfigMap
POD
CONTAINER

28. OPENSHIFT & KUBERNETES CONCEPTS
services provide internal load-balancing and
service discovery across pods
POD
SERVICE
“backend”
CONTAINER
10.110.1.11
role:
backend
POD
CONTAINER
10.120.2.22
role:
backend
POD
CONTAINER
10.130.3.33
role:
backend
POD
CONTAINER
10.140.4.44
role:
frontend
role:
backend

29. OPENSHIFT & KUBERNETES CONCEPTS
apps can talk to each other via services
POD
SERVICE
“backend”
CONTAINER
10.110.1.11
role:
backend
POD
CONTAINER
10.120.2.22
role:
backend
POD
CONTAINER
10.130.3.33
role:
backend
POD
CONTAINER
10.140.4.44
role:
frontend
role:
backend

30. OpenShift Concepts
routes make services accessible to clients outside
the environment via real-world urls
> curl http://app-prod.mycompany.com
POD
SERVICE
“frontend”
CONTAINER
role:
frontend
POD
CONTAINER
role:
frontend
POD
CONTAINER
role:
frontend
role:
frontend
ROUTE
app-prod.mycompany.com

31. OpenShift Concepts
PAYMENT DEV
PAYMENT PROD
CATALOG
INVENTORY
❌
❌❌
POD
C
POD
C
POD
C
POD
C
POD
C
POD
C
POD
C
POD
C
POD
C
POD
C
POD
C
POD
C

32. Monitoring
Application Health

33. OpenShift Concepts
AUTO-HEALING FAILED CONTAINERS
c
c

34. OpenShift Concepts
AUTO-HEALING FAILED CONTAINERS
c
c

35. OpenShift Concepts
AUTO-HEALING FAILED CONTAINERS
c
c

36. OpenShift Concepts
AUTO-HEALING FAILED CONTAINERS
c c

37. Central Logging

38. OpenShift Concepts
● EFK stack to aggregate logs for hosts and applications
○ Elasticsearch: a search and analytics engine to store logs
○ Fluentd: gathers logs and sends to Elasticsearch.
○ Kibana: A web UI for Elasticsearch.
● Access control
○ Cluster administrators can view all logs
○ Users can only view logs for their projects
● Ability to send logs elsewhere
○ External elasticsearch, Splunk, etc
CENTRAL LOG MANAGEMENT WITH EFK

39. OpenShift Concepts
CENTRAL LOG MANAGEMENT WITH EFK
ELASTIC
ELASTIC
RHEL
NODE
POD POD
PODPOD
FLUENTD
RHEL
NODE
POD POD
PODPOD
FLUENTD
RHEL
NODE
POD POD
PODPOD
FLUENTD ELASTIC
ELASTIC
ELASTIC
ELASTIC
ELASTIC
ELASTIC

40. Developer
Productivity

41. 41
Developer Productivity
SPRING & JAVA EE MICROSERVICES FUNCTIONS
LANGUAGES FRAMEWORKS APPLICATION SERVICES
LINUX
CODE
BUILD TEST DEPLOY
MONITORREVIEW
Self-service
Provisioning
Automated
build & deploy
CI/CD
pipelines
Consistent
environments
Configuration
management
App logs &
metrics

43. DEVOPS WITH CONTAINERS

44. BUILD AND DEPLOY CONTAINER IMAGES
DEPLOY YOUR
SOURCE CODE
DEPLOY YOUR
CONTAINER IMAGE
DEPLOY YOUR
APP BINARY

45. DEPLOY SOURCE CODE WITH SOURCE-TO-IMAGE
(S2I)
OpenShift DoesUser/Tool Does

46. DEPLOY APP BINARY WITH SOURCE-TO-IMAGE
(S2I)
OpenShift DoesUser/Tool Does

47. DEPLOY DOCKER IMAGE
OpenShift DoesUser/Tool Does

48. 4
8
CONTINUOUS DELIVERY PIPELINE
☒
☑

49. 49
LEARN.OPENSHIFT.COM
Interactive Learning Scenarios provide you with a pre-configured OpenShift instance,
accessible from your browser without any downloads or configuration.

50. 50
Getting started with Azure Red Hat OpenShift
https://azure.microsoft.com
/en-us/resources/getting-st
arted-with-azure-red-hat-op
enshift/
http://tiny.cc/azure-ocp

51. linkedin.com/company/red-hat
youtube.com/user/RedHatVideos
facebook.com/redhatinc
twitter.com/RedHat
Red Hat is the world’s leading provider of enterprise
open source software solutions. Award-winning
support, training, and consulting services make
Red Hat a trusted adviser to the Fortune 500.
Thank you
51

52. 52
Hands On Lab
Azure Red Hat
Openshift

53. 53
Getting started with Azure Red Hat OpenShift
https://azure.microsoft.com
/en-us/resources/getting-st
arted-with-azure-red-hat-op
enshift/
http://tiny.cc/azure-ocp

54. 54
Hands On Lab 1: Creación y gestión de un cluster Azure Red
Hat OpenShift
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55. 55
Hands On Lab 2 Despliegue y Monitoreo de un APP