OpenShift

OpenShift Training

minishift start --vm-driver virtualbox

# Openshift Cockpit
Monitoring tool??

# Routing layer pluggable and extensible if hardware or non-OpenShift software router desired
Haproxy / F5 LB

# Image stream
Laag voor Docker registries, met triggers bij image wijzigingen voor automatische deployments.

# OpenShift Ansible broker (OAB)
Deploy container using Ansible templates

# Template Service Broker (TSB)
With MongoDB, PHP templates

# Demonstrate AB testing.
oc new-app --name='cotd' -l name='cotd' https://github.com/wkulhanek/cotd.git
oc new-app --name='cotd2' -l name='cotd2' https://github.com/wkulhanek/cotd.git -e SELECTOR=cities
oc set route-backends cotd cotd=50 cotd2=50

# Custom Deployment Strategy

# S2I Docker vs source vs custom build
Docker: Dockerfile from GIT
Source: Get application type from GIT, and starts build (index.php -> PHP7 image)

# Service Broker and Service Catalog
Catalogus met standaard applicaties / images zoals databases, php, etc.

# Open vSwitch, Ability to plug in third-party software-defined network (SDN) solutions
vxlan overlay network

# Route vs Router
Route is a defenition, www.example.com -> service -> pod(s). Router is Haproxy.

# Project vs namespace
A project is a Kubernetes namespace with additional annotations

# Create deployment templates
https://docs.openshift.com/enterprise/3.0/architecture/core_concepts/templates.html

# S2I base image
RHEL7 base image voor PHP, JAVA, etc. Waarbij alleen een GIT repo als source nodig is.