experiences in building cloud-native businesses: the ...experiences in building cloud-native...
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Experiences in building cloud-native businesses: the Ticketmatic case
Ruben Vermeersch
@rubenv
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Hi!Ruben Vermeersch (Ticketmatic)
@rubenv
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TodayCloud-native: what it means to us & what we gain
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Just a (big) web app!
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Cloud Native?
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Good practices for modern softwareOrchestration
PackagingManagement
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Cloud Native Computing FoundationCloud native computing uses an open source software stack to be:
● Containerized. Each part (applications, processes, etc) is packaged in its own container. This facilitates reproducibility, transparency, and resource isolation.
● Dynamically orchestrated. Containers are actively scheduled and managed to optimize resource utilization.
● Microservices oriented. Applications are segmented into microservices. This significantly increases the overall agility and maintainability of applications.
https://www.cncf.io/
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Move faster + be more flexible
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Nostalgia!InfrastructureApplications
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Memory laneReal hardware in data centers
Applications provisioned manually
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Memory lane (2)Somebody else fixes the hardware
Even more machines to manage!
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Memory lane (2)Somebody else fixes the hardware
Even more machines to manage!
ELB ELB
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State of the artElastic machines (lots of them)
Load balancers everywhere
Baking whole machine images
Mismatch between environments
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Docker to the rescue!
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Or not quite...Deployment?
Multiple machines?
Orchestration?
Just a packaging format, still all manual operations!
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KubernetesOpen-source cluster infrastructure
Based on the experience at Google
https://kubernetes.io/
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Kubernetes
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Kubernetes
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Kubernetes
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Kubernetes
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GainsIncreased density (lower cost)
Automated orchestration (declarative!)
Portability
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Principle:Operations should be automated
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Micro-services
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Chop it up into pieces… or not!Balance cohesion with complexity
Split at the edges of scaling, when needed
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Cloud Native!
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More than configuration managementAlso an API!
Interaction between application and infrastructure
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pgbouncer
app app app
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pgbouncer
app app app
pgbouncer
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pgbouncer
app app app
pgbouncer
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Principle:Applications interact with infrastructure
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Prometheus
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PrometheusOpen-source monitoring platform
Originally developed by Soundcloud
https://prometheus.io/
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Measuring = knowing
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Reactive applicationsUse application metrics to interact with infrastructure
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A new role for operationsIn the past: reactive grunt work
Cloud native way: gather insights, codify them
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Principle:Everybody is operations,
nobody is operations
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Rounding up
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Cloud NativeNew way of thinking about infrastructure
Application and infrastructure work together
New role for operations
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More?
CoreOS Fest 2017 (San Francisco) talk - https://rocketeer.be/
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More?
CoreOS Fest 2017 (San Francisco) talk - https://rocketeer.be/
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Thanks!Ruben Vermeersch
@rubenv
Slides (soon): https://rocketeer.be/Always looking for great people at Ticketmatic!