Camel on Cloud by Christina Lin

GENERAL DISTRIBUTION
Camel On Cloud
Christina Lin
RH Technology Evangelist

RED HAT CONSULTING2
TIME TABLE
18:30-19:15
CAMEL ON CLOUD
19:15 - 19: 30
BREAK
19:30 - 20: 00
SYNDESIS INTRO
20:00 - 20:30
IDEA BRAINSTORMING
ONE Minute
Each
20:30-21:00
IDEA JUDGE

Development Process
Waterfall
CI/CD
Deployment
Server/VM
Container
Infrastructure
Data Center
Cloud
Architecture
Monolith
MicroservicesAPIs
Webservices
Service Endpoints
BE COMPETITIVE
Enterprise IT is undergoing fundamental change. To remain competitive, businesses need
an integration platform capable of supporting current and next generation architectures.

6
THREE PILLARS OF AGILE INTEGRATION
Key foundational capabilities needed by today’s enterprises
DISTRIBUTED
INTEGRATION
❏ Lightweight
❏ Pattern Based
❏ Event Oriented
❏ Community Sourced
MICROSERVICES
CONTAINERS
❏ Cloud Native Solutions
❏ Lean Artifacts
❏ Individually Deployable
❏ Container Based Scaling
and High Availability
APIs
❏ Well Defned
❏ Reusable
❏ Well Managed
End-points
❏ Ecosystem Leverage
FLEXIBILITY SCALABILITY RE-USABILITY

AGILE INTEGRATION ARCHITECTURE
Core Layer
External Applications
Network Gateway Layer
Containers
ContainerOrchestration(OpenShift)
7
Composite
Layer Service Interactions
Cloud Native
App (Runtime 1)
Enterprise Integration Patterns
Business Rules
Anti
Corruption
Layer
Containerized App
(Lift and Shift EAP)
SecurityServices(RHSSO)
DataServices(DataGrid)
Traditional
App (EAP)
VMs
APIManagement(3scale)
Policies Access Control Proxy Routing
Service Composition Events Mesh
DevOps Automation / Continuous Integration / Continuous Delivery (Ansible)

CONTAINERIZED. CLOUD DEPLOYMENT.
CAMEL IN A NUTSHELL
CHOOSE RUNTIME
DEFINE INTEGRATION
LOGIC
FROM ?
TO ?
ROUTE ?
TRANSFORM ?
API ?
● Leverage Agile Integration to
build new services
● And to integrate with existing
services and data
● Integration can be a key platform
for all app dev projects
● As well as migrations from
existing ESB vendors
Connect - Mediate - Transform: Data, Services and Information

INSERT DESIGNATOR, IF NEEDED9
WHAT IS APACHE CAMEL?
Split
orders
Send
each order
to it’s
process service
Electronics
Others
Customer
Purchase
from("fle:work/cbr/input")
.split(xpath("//orders"))
.choice()
.when(xpath("/order:order/order:type = 'E'"))
.to("activemq:queue:electronic/us")
.otherwise()
.recipientList(simple("http4://otherservice"));

PATTERN BASED
Split
orders
Send
each order
to it’s
process service
Electronics
Others
Aggregat
or
Normaliz
er
Content Enricher
Resequencer

160+ ENDPOINT COMPONENTS
activemq cxf kubernetes jasypt
activemq-journal cxfrs freemarker javaspace
amqp dataset ftp/ftps/sftp jbi
atom db4o gae jcr
bean direct hdfs jdbc
bean validation ejb hibernate jetty
browse esper hl7 jms
cache event http jmx
cometd exec ibatis jpa
crypto fle irc jt/400

160+ ENDPOINT COMPONENTS
Kafka propertee eeda stream
ldap quartz eervlet etring-template
mail/imap/pop3 quickfi eip teet
mina ref emooke tmer
mock reetlet empp validaton
mev rmi enmp velocity
nagioe rnc epring-integraton vm
nety rng epring-eecurity impp
nmr ree epring-we iquery
printer ecalate eql xslt

REST DSL
<camelContext xmlns="http://camel.apache.org/schema/spring">
<rest path="/say">
<get uri="/hello">
<to uri="direct:hello"/>
</get>
<get uri="/bye" consumes="application/json">
<to uri="direct:bye"/>
</get>
<post uri="/bye">
<to uri="mock:update"/>
</post>
</rest>
<route>
<from uri="direct:hello"/> …
</route>
<route>
<from uri="direct:bye"> …
</route>
</camelContext>
Verb
defining
http
method
Basepath
The service
path
Uri template
The service
method and
parameters
Consumes
Accept data
format setting

RUNNING CAMEL
Spring Boot Apache Karaf (OSGi)
Spring DSL/Java
Spring Boot Starter
module
Fat JARs
Stand-alone App
Embedded dependency
Pre-confgured, pre-
sugared
Small and lightweight
Blueprint DSL/Java
Blueprint module
Bundles
Modularized
Explicit dependency
Versioned
Hot redeploy

● Granularity
● Security
Microservice Composition

DISTRIBUTED INTEGRATION
Container Container Container
Container Container Container
Container
DISCOVER
SERVICES XA
TRANSACTION
TRANSACTION
RECOVERY
API
TRANSACTION
(SAGA)
METRICS
LOGS

XA TRANSACTION
Container
<dependency>
<groupId>me.snowdrop</groupId>
<artifactId>narayana-spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>me.snowdrop</groupId>
<artifactId>narayana-spring-boot-recovery-controller</artifactId>
</dependency>
Or
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jta-narayana</artifactId>
</dependency>
PersistentVolumeClaim
StatefulSet
CLUSTER RECOVERY DATA
app-0
Container
- name: CLUSTER_RECOVERY_ENABLED
value: true
- name: CLUSTER_NODENAME
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.name
image: 'rhte-creditcard:latest'
- mountPath: /var/transaction/data
name: @project.artifactId@-data
- name: CLUSTER_BASE_DIR
value: /var/transaction/data
# Cluster (options replaced by Openshift env variables)
cluster.name=@project.artifactId@
cluster.nodename=${cluster.name}-0
cluster.base-dir=./target/tx
# Recovery is enabled only inside Openshift
cluster.recovery.enabled=false
# Transaction data
spring.jta.transaction-manager-id=${cluster.nodename}
spring.jta.log-dir=${cluster.base-dir}/store/${cluster.nodename}
# Transaction recovery settings
snowdrop.narayana.openshift.recovery.enabled=${cluster.recovery.enabled}
snowdrop.narayana.openshift.recovery.current-pod-name=${cluster.nodename}
snowdrop.narayana.openshift.recovery.statefulset=${cluster.name}
snowdrop.narayana.openshift.recovery.status-dir=${cluster.base-dir}/status
leader
app-1
Container
app-2
Container

SAGA PATTERN
Service One Service Two Service Three Service Four
compensation compensation compensationcompensation

SAGA PATTERN
Booking
Payment
Hotel
Flight
LRA
camel:
service:
lra:
enabled: true
coordinator-url: http://lra-coordinator.rhte.svc:46000
local-participant-url: http://${project.artifactId}:8080/api
.saga()
.propagation(SagaPropagation.MANDATORY)
.compensation("direct:cancelBooking")
.to("sql:INSERT INTO FLIGHT (custid, traveldatestart, traveldateend ) VALUES (:#id, :#traveldatestart,
:#traveldateend)?dataSource=dataSource")
.toD("http4://rhte-creditcard.rhte.svc:8080/credircard/pay/${header.id}/${header.payamt}?bridgeEndpoint=true")
.saga()
.setHeader(Exchange.HTTP_METHOD, constant("POST"))
.toD("http4://rhte-flight.rhte.svc:8080/api/book?bridgeEndpoint=true")
.toD("http4://rhte-hotel.rhte.svc:8080/api/book?bridgeEndpoint=true")
compensation
compensation

source-to-image (s2i) deployments
Build
POD
GIT
repository
Developer
pull code
push image

FABRIC8 PLUGIN
Developer
push image
Build
POD
<plugin>
<groupId>io.fabric8</groupId>
<artifactId>fabric8-maven-plugin</artifactId>
<version>${fabric8-maven-plugin.version}</version>
<executions>
<execution>
<goals>
<goal>resource</goal>
<goal>build</goal>
</goals>
</execution>
</executions>
</plugin>
mvn fabric8:deploy

CONFIGURATION INJECTION
Mounted Volume
<dependency>
<groupId>io.fabric8</groupId>
<artifactId>spring-cloud-kubernetes-core</artifactId>
<version>0.1.6</version>
</dependency>
POD
POD
Confgmap
Application
Application.properties
Application
Application.properties

OPENSHIFT
PIPELINE
OpenShift
Jekins
Image
Repositor
y
Git
Pods
Build
Deplo
y
Webhoo
k
Git push
Pipeline
starts
Build
application
image
Running
application
container in
diferent
environment

OPENSHIFT
PIPELINE
node('maven') {
stage('build') {
openshiftBuild(buildConfg: 'buildconfgname', showBuildLogs: 'true')
}
stage('staging') {
openshiftDeploy(deploymentConfg: 'deploymentconfgame')
}
….
}

THANK YOU
plus.google.com/+RedHat
linkedin.com/company/red-hat
youtube.com/user/RedHatVide
os
facebook.com/redhatinc
twitter.com/RedHatNews
27

IS MY ORGANIZATION DOING INTEGRATION?
POINT-TO-POINT (P2P)
SERVICE BUS
BUSINESS-TO-BUSINESS
DIY INTEGRATION
LEGACY INTEGRATION
MICROSERVICES
API-FOCUSED
AUTOMATION
CLOUD-NATIVE
SELF-SERVICE

29
TWO DIMENSIONS OF DISTRIBUTED INTEGRATION
DISTRIBUTED
INTEGRATION
FLEXIBILITY
WHERE INTEGRATION IS USED
Integration at the center or the edge of
your enterprise architecture.
WHO PERFORMS INTEGRATION
Unlocking integration capability for new
categories of integrators.

Fuse Standalone Fuse on OpenShift Fuse Online (iPaaS)
● Developer-focused
● Integration where you
need it
● “Classic” integration
THE NEXT GENERATION OF RED HAT FUSE
Aligned product components of Fuse 7.x
● Developer-focused
● Microservices ready
● Scale out / Container
● “Cloud native”
integration
● Ignite : Low-code UI/UX
● 100% cloud-based
● Integration through a
browser
● “Ad Hoc” Integration

OS
JVM
Narayana Undertow
AMQ CXF
Camel
Karaf
OS
JVM
Narayana Undertow
AMQ CXF
Camel
EAP
OS
JVM
Narayana Undertow
AMQ CXF
Camel
Spring BootIgnite
Fuse Online
RED HAT FUSE
Hawtio
Distributed, Cloud-native integration platform

Self-service Integration
Low code integration platform for everyone
Fuse Online
Integration
Connectors
Customizations
Self-service
Drag and drop integrations
Runtime debug and activity
trace
Built-in connectors
- AMQ
- Database
- Salesforce and
more...
Customize Connectors
- Highly customizable
connectors from
developers
API Client Service Setup
from Swagger Documents
Customize Connectors,
code, component injections

Ease of Use
Drag and drop, plus simple confgurations
Design
Confg
Run
Design your
integration quickly on
the fy for
continuously
Innovative solutions.
Less.development
time, quick POC and
faster blueprint???!!
Built-in connectors
for major resources.
Easy drag and drop
data format mapping.
Simple confguration
interface
Hybrid environment,
on the cloud or on
premise.
United and
standardized platform
for integration
solutions.
Enhance
collaboration
experience for both
business user and
Developers

Working with APIs
API centric integration.
API
Services
Providers
Fuse Online
Swagger
Documents

36
KEY SUCCESS FACTORS FOR CLOUD-NATIVE INTEGRATION
DEVELOPMENT
Ability to drive complete lifecycle from developer toolchain
Focus on code, not image building and resource defnition
End-to-end automation supporting continuous delivery
MANAGEMENT
Centralized management and monitoring
Manual and automated management through API, CLI, UI
Domain-specifc introspection into container runtime
SECURITY
Images require secure stack from top to bottom
Scaling analysis and remediation of security vulnerabilities
Container image provenance and transparency
OPERATIONS
Normalizing operations across workloads
Availability, scalability, and resiliency
Leveraging advanced deployment options
Enabled by using Fuse on OpenShift

Tools for success
Development
● Full lifecycle IDE
support
● Built-in
Connector/Transformat
ion/EIP
● Intuitive API creation
● Easy-to-use Toolings
● Quickstart templates
● Built-in CI/CD
capability
● Immutable
software image
builds
● Lightweight,
optimized for
microservices

CORE FUSE
FUSE STANDALONE
OS
JVM
EAP Spring Boot Karaf
Narayana Undertow AMQ CXF
Camel
DevStudio
Hawtio

NOTABLE COMPONENTS
● Camel 2.21
● Karaf 4.2
● Spring Boot 1.5.x
● EAP 7.1
● Narayana (aligned to EAP 7.1)
● Undertow (aligned to EAP 7.1)
● AMQ 6.3 and 7.0 certifcation
● CXF 3.1 (aligned to EAP 7.1)
● HawtIO 2
● Java 8

● camel-asn1
● camel-atomix
● camel-azure
● camel-caffeine
● camel-couchbase
● camel-crypto-cms
● camel-digitalocean
● camel-drill
● camel-elasticsearch5
● camel-google-bigquery
● camel-google-pubsub
● camel-reactor
● camel-rest-swagger
● camel-sjms2
● camel-spring-cloud
● camel-spring-cloud-netfix
● camel-thrift
● camel-tika
● camel-twilio
● camel-zendesk
● camel-zookeeper-master
● camel-yql
● camel-aws
● camel-elasticsearch-rest
● camel-xhcange
● camel-wordpres
● camel-grpc
● camel-headersmap
● camel-iec60870
● camel-json-fastjson
● camel-milo
● camel-mongodb3
● camel-olingo4
● camel-openstack
● camel-opentracing
● camel-pubnub
● camel-reactive-streams
NEW CAMEL COMPONENTS

MANAGEMENT
● HawtIO V2
● More consistent UI
Look with the rest
Of Red Hat
products

Benefts of FUSE on OpenShift
Development
● Full lifecycle IDE support : create, test, build, deploy
● Quickstart templates for common integration scenarios allows
developers new to the platform to get up and running quickly.
● App packaging optimized for containerized environment ideal for
microservices architecture.
● Container builds integrated into development toolchain with options
to build from source or binary, aligning with current tools and
development workfow in use today.
● Tap into the power of the platform with easy-to-use extensions such
as injection of dynamic confguration values.
● Automated build triggers and pipeline support give users a
continuous integration and deployment environment out-of-the-box.
● Developers can focus on writing code and providing value to the
business rather than worrying about creating docker based images
and docker confguration fles for each application they create.
Management
● Insight into integration workload using centralized monitoring of integration activities based on ElasticSearch
and Kibana.
● Manual or automated administration of the runtime environment is a breeze leveraging administrative CLI,
API, and UI.
● Integration-specifc management, monitoring and debugging puts users in complete control of their
integration workloads running inside a container.
Operations
● Build on an environment that can seamlessly scale from 1s to 100s of integration containers using point-and-
click UI or automatable management controls.
● Virtualize integration services to provide location independence and automatic failover.
● Platform that automatically detects and recovers failed integration containers.
● Take advantage of advanced deployment options built into the platform such as rolling upgrade, canary, and
blue-green deployments.
Security
● Integration containers are built on the most secure container runtime on the planet based on RHEL.
● Services are independent and isolated, providing complete separation of integration execution.
● Network isolation provides additional security by restricting service visibility based on user-defned
partitions.
● Confdential storage of protected information such as passwords and keys.
● Red Hat scans and reports on container security via Red Hat Container Catalog. Freshness scores are public,
providing peace of mind. Red Hat patches security issues at the OS, JVM, and middleware level.Flexibility
● Runtime built on best-of-breed open source technologies
(Kubernetes, Linux Containers) provides an open, fexible foundation
for all service development.
● Container-native toolchain and ability to containerize existing
workloads (lift and shift) provide ideal platform for greenfeld,
brownfeld, and transitional workloads.
● Container-native, integrated middleware portfolio allows developers
to choose the right tool for the job on a single platform.
● Polyglot environment gives teams the fexibility to implement
services using the language of their choice.
https://docs.google.com/document/d/18g4nmGJpV2aU8Ve0das04Hy_ZV2by9rs10k6wGOa_V4/edit

CHANGES FOR USERS
● No More Fabric v1
● Major upgrade: from Karaf 2.4 to 4.2.x
● Most Karaf Shell commands renamed
● Extensive JMX MBean Changes
● Base bundles have changed
○ User defned features may need updating to pick up right
bundles.
○ Recompile needed to pick up new versions of imported
packages

NEW FEATURES
● OSGi R6 support (vs OSGi r5 in Karaf 2.4.x)
● Requires Java 8
● More lightweight: Blueprint not needed
● Maven plugin to generate minimal Karaf servers.
● Shell improvements
● Undertow web provider
● Narayana TX Manager
● log4j, log4j2, and logback supported
● Typed confg fles

NO EMBEDDED AMQ BROKER
● No AMQ Broker == Lighterweight Karaf Server
● Faster startup
● Easier to troubleshoot AMQ issues
● Blueprint used to confgure connection factories

IMPLEMENTATION RECOMMENDATIONS
● Dependency Injection
● Camel XML DSL Support
● More dynamic service
injection model
● Can lead to service timeouts
● Faster startup
● Camel Java DSL
● Better for Pure OSGi fans
● More static service injection
modals
SCRBLUEPRINT

Undertow
● Undertow is the default web container
● Jetty only supported as an HTTP client
● Does not affect:
○ Simple Wars
○ Servlets
● Affects
○ Customized jetty xml confgurations
○ Bundles using Jetty specifc APIs like some of their WebSocket
apis.

Narayana
● New TX manager abstraction layer
● Existing JMS/JDBC connection factories need to be reconfgured.

NEW FEATURES
● Feature Parity
● 200+ Camel components supported
● More quickstarts

UNDERTOW/CXF CONSUMERS
● Added support for the native EAP undertow server on consumer
endpoints for:
○ camel-undertow
○ camel-cxf
● Fuse EAP 6.x fat WAR workaround:.
○ Should switch to 'skinny' WAR deployments

CAMEL COMPONENTS
● Feature parity with other platforms
● 200+ camel components now supported.
camel-ahc
camel-ahc-ws
camel-amqp
camel-avro
camel-avro
camel-barcode
camel-base64
camel-tarfile
camel-beanio
camel-box
camel-coap
camel-couchdb
camel-dns
camel-dropbox
camel-elsql
camel-exec
camel-facebook
camel-freemarker
camel-git
camel-github
camel-infinispan
camel-irc
camel-jacksonxml
camel-jbpm
camel-jcache
camel-jdbc
camel-kubernetes
camel-linkedin
camel-metrics
camel-mllp
camel-mongodb
camel-mybatis
camel-nats
camel-olingo2
camel-optaplanner
camel-paho
camel-pdf
camel-rabbitmq
camel-sap-netweaver
camel-schematron
camel-servicenow
camel-sjms
camel-smpp
camel-snmp
camel-splunk
camel-spring-batch
camel-spring-integration
camel-spring-ldap
camel-spring-redis
camel-ssh
camel-stax
camel-syslog
camel-bean-validator
camel-twitter
camel-undertow
camel-vertx

● For JavaEE Developers
● Camel Java DSL
● IDE Tooling Support
● Spring Shops
SPRING XMLCDI

MIGRATING TO FUSE 7 EAP
● Apps typically do not need a recompile
● Users need to follow the EAP 7.1 migration guide
● CXF workarounds should be removed
● wildfy-maven-plugin : port 9999 -> 9990
● BOM updates recommended

● Custom fat jar layouts
● Secured endpoints
● API to expose JMX endpoints
● Support for transaction manager confguration
● Camel health checks exposed to actuator
● Camel Component Customizers
SPRING BOOT 1.5 / CAMEL

STANDALONE
● Actually Supported in 6.3 but not promoted.
● Existing Examples just needs:
○ -Dfabric8.skip
○ Runnable jar is in target dir

MANAGEMENT
● HAWTIO V2 / Jolokia
● JMX and Actuator.
● https://github.com/hawtio/hawtio/tree/2.x/examples/springboot

SUPPORTED SPRING BOOT COMPONENTS
● Spring Boot Web (Undertow)
● Actuator
● JTA/Narayana starter
● AMQ starter
● JDBC starter
● Security + Keycloak
● Camel Component Starters: https://goo.gl/CLiJ8x

UNDERTOW
● Undertow is our recommended Web Container
● Just a dependency change is need in the POM
● No Application changes should be needed
● Tomcat/JWS support is being sorted out

CONFIGURATION MANAGEMENT
● Standard SB
○ System Properties
○ Environment Variables
○ application.properties
● spring-cloud-kubernetes
○ Mapping confgmaps
○ Secrets
○ Auto-reload

SECURITY
● KeyCloak is Integration with Spring Security:
https://goo.gl/DesZmg
● Use camel-servlet with spring-web

● Spring Boot
Developers
● More fexible and re-
usable EIP
development.
● IDE Tooling Support
● Older Spring Shops
XML DSLJava DSL
Read more: http://goo.gl/F9TUJ3

Camel on Cloud by Christina Lin

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