Portable Apps across IBM Kubernetes Service and IBM Cloud Private (#Think2019 #5956)

Portable Apps across IBM Kubernetes Service
and IBM Cloud Private (#5956A)
—
Dan Berg
IBM Distinguished Engineer,
IBM Cloud Kubernetes Service
@dancberg
Michael Elder
IBM Distinguished Engineer – IBM Multicloud Platform
@mdelder
Think 2019 / DOC ID / Month XX, 2019 / © 2019 IBM Corporation

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The development, release, and timing of anyfuture featuresor functionalitydescribedfor our products
remainsat our sole discretion.
Performance isbasedon measurementsandprojectionsusing standard IBM benchmarksin a controlled
environment. The actual throughput or performance that anyuser will experience will vary depending upon
manyfactors, including considerations such as the amount of multiprogramming in the user’sjobstream,
the I/O configuration, the storage configuration, andthe workloadprocessed. Therefore, no assurance can
be given that an individual user will achieve results similar to those statedhere.
2
Please note

Notices and disclaimers
3Think 2019 / DOC ID / Month XX, 2019 / © 2019 IBM Corporation
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7
The Evolving Enterprise Operating Model
Full enterprise cloud journey
Preserve & Optimize | Extend & Integrate | Refactor
Management

8
IBM Cloud / © 2018 IBM Corporation
As organizations
deploy more
clusters, new
challenges are
introduced.

IBM Cloud
Kubernetes Service
IBM Cloud
IBM Cloud Private
Public Cloud Private Cloud
IBM Confidential / Think 2019 / 5615 / Feb 11, 2019 / © 2019 IBM Corporation

Pod
(Single IP Address)
Volume
Volume
container
container
container
Volume
What’s in a Kubernetes App?
Pod
(Single IP Address)
Volume
Volume
container
container
container
Volume
Secret
ConfigMap
Persistent
Volume
Service
Deployment
(ReplicaSet)
Stateles
s
Stateless

Apps represented as text
12
# Application to deploy
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: watson-conversation-app
spec:
replicas: 2 # tells deployment to run 2 pods matching the
template
template: # create pods using pod definition in this template
metadata:
labels:
app: watson-conversation-app
tier: frontend
spec:
containers:
- name: watson-conversation-app
image: mycluster.icp:8500/default/conversation-
simple:alt
resources:
requests:
cpu: 100m
memory: 100Mi
env:
- name: WORKSPACE_ID
valueFrom:
configMapKeyRef:
name: car-dashboard-config
key: workspace_id
- name: CONVERSATION_SERVICE_CAR
valueFrom:
secretKeyRef:
name: binding-conversation-service-car
key: binding
• Container Images are built
from Dockerfiles. Kubernetes
Deployments, etc are
managed as YAML
• Having a strong artifact-driven
model makes it easier to
follow a Continuous Delivery
lifecycle
• Using the same images and
YAML objects make it easier
for dev teams to match what’s
running in production

Kubernetes provides very
portable abstractions for your
app
Where a cloud provider must
get specific about a concern,
Kubernetes allows runtime
substitution
Factors where the
app interacts with its
platform:
1. Network ingress
2. Persistent
storage
3. Network Security
4. Pod Security
5. RBAC
6. Certificates/Keys
Abstractions
Factors where the
platform interacts
with the app:
1. Packaging
formats
2. Monitoring
3. Log collection
4. Metering

Portability concerns
Pod
(1..n containers)
Storage
Network
Ingress
Monitoring Logging
Packaging
Network
Security
Creates
UsesExposes
Managed by
Pod
Security
Certs/Keys
Metering

An
app
to
talk
about 15IBM Cloud / O‘Reilly Software Architecture Conference / October 30, 2018 / © 2018 IBM Corporation

kubectl apply -f watson-conversation-app-configured.yaml
kubectl get deployments -o wide
kubectl get services –o wide
# IKS
kubectl expose deployment/watson-conversation-app
--type=LoadBalancer --port=3000
--name=watson-conversation-app
--target-port=3000

Enough
talking,
let’s see it
LIVE!Think 2019 / 6393A / Feb 11, 2019 / © 2019 IBM Corporation

IKS Deployment
automation
Managing over 20,000 clusters
Managing over 350,000
resources
1000+ deployments per week
Rule-based, multi-version
deployments
Opinionated k8s deployment

19
Use Case: Cluster Lifecycle Management
• Manages clusters across
multiple data centers and
public cloud Kubernetes
services
• Identifies health across all
clusters
• Provides visibility into
problems across clusters
• Enables cluster organization

20
Use Case: Application Management
• Define and Deploy
applications across clusters
based on policy
• Autogenerated monitoring
dashboards that update
based on deployment

Packaging
Think 2019 / 6393A / Feb 11, 2019 / © 2019 IBM Corporation

Helm - Introduction
22
Helm helps you manage Kubernetes applications — Helm Charts helps you define, install, and upgrade
even the most complex Kubernetes application.

Charts, Repositories and
Releases
23
Charts: A bundle of Kubernetes
resources
Repository: A collection of charts.
Releases: A chart instance loaded into
Kubernetes . Same chart can be
deployed several times and each
becomes its own release
Providing an easy to use, extend, and compose
catalog of IBM and Third-Party content is part
of our universal platform for
IBM middleware in containers

IBM certified software for Kubernetes
© 2018 IBM Corporation
Pre-integrated
• Logging (Debug)
• Monitoring
(Alerting)
• Usage Metering
• License
Management
Scanned for
Vulnerabilities
• Extendable to
Redhat Certified
with RHEL base
image
Upgrade & Rollback
• Consistent across all
IBM Software built
for Kubernetes
Enterprise Ready
& Simple to Deploy
• Orchestrated by
the product experts
• Integrated catalog
experience
• Open standards
packaging
• Secured by ICP IAM
IBM Cloud Private
A universal platformfor IBM middlewarerunning in containers
The largest catalog of enterprise-grade services to accelerate your Cloud journey
24
Packaging
Operations Secure
&
Integrated
Management
Containers
IBM Cloud / November 2018 /© 2018 IBM Corporation

Deploying
across
clouds

Compliance
across
clouds

28
Use Case: Policy-Based Governance
• Set and enforce polices for
security, applications, &
infrastructure
• Checks compliance across
all clusters

29
Multiple clusters generates new challenges
Visibility Governance Automation
• Where are the failed
components?
• Where are my services running?
• How can I monitor applications
across clusters and clouds?
• How can I manage clusters as if
they were one environment ?
• How do I monitor usage across
clouds ?
• How do I set consistent security
policies across environments ?
• Which clusters are compliant?
• How can I manage configuration
across this large environment ?
• How can I place workloads based
on capacity, policy?
• How do I deploy applications
across these environments?
• How do I move workloads across
these environments?
• How can I backup my
applications?
• How do I do Disaster Recovery ?

30
Learn More
https://www.ibm.com/cloud/multicloud-manager
• Product Overview
• Overview videos
• White paper
• FAQs

Leverage the IBM Cloud Garage
Method to change how you work.
31Think 2018
Provides an in-depthcollection of
practices,tutorials,and
architecturesto help you on this
journey.
Completelyopen forum for learning
at your own pace.
We offer hands-on guidance and
services,if needed.
Defined
Practices
Business
Benefits
Technical
Benefits
ibm.com/cloud/garage>

32
Book
signing
on Wed
@ Code
Cafe
#7678A: Tech Talk:
Deploying Kubernetes in
the Enterprise (with the
authors)
When: Wednesday, 11:30
AM - 12:10 PM
Where: Table Top Tap Room
at the Metreon | Code Cafe
Tech Talks Area
Get a hard copy signed by
the authors at the Code
Café Mezzaine on
Wednesday (7 – 7:30PM)!
ibm.biz/BdYA4i>Grab a free digital copy:

33
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Portable Apps across IBM Kubernetes Service and IBM Cloud Private (#Think2019 #5956)

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Portable Apps across IBM Kubernetes Service and IBM Cloud Private (#Think2019 #5956)