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Cloud Native Application Development - build fast, cheap, scalable and agile software on Oracle Cloud Infrastructure - Oracle Groundbreaker Tour Latin America 2020

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The document discusses Oracle Cloud Native Application Development. It describes how to build fast, scalable software on Oracle Cloud Infrastructure using a cloud native approach. It provides an overview of various Oracle Cloud services that can be used for cloud native application development, including Functions, API Gateway, NoSQL Database, Streaming and Notifications. It then demonstrates a sample cloud native application that collects tweets, stores them in a NoSQL database and sends reports via email using various Oracle Cloud services.

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Cloud Native Application Development - build fast, cheap, scalable and agile software on Oracle Cloud Infrastructure Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Oracle Groundbreakers Tour 2020 LATAM Lucas Jellema, CTO & Architect AMIS | Conclusion NoSQL Database Vault Sources and slides: bit.ly/cloud-native-latam2020
Lucas Jellema CTO for AMIS | Conclusion Cloud Solution Architect Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development lucas.jellema@amis.nl | technology.amis.nl | @lucasjellema | lucas-jellema
Lucas Jellema CTO for AMIS | Conclusion Cloud Solution Architect Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development lucas.jellema@amis.nl | technology.amis.nl | @lucasjellema | lucas-jellema
A traditional application Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development WebApp Database (RDBMS?)JVM Java EE Operating System Hardware 3rd party libraries & frameworks Monolith, Microservice, Module Platform & Language runtime features (transaction management, HTTP request handling, state management & in memory caching, IAM, … Custom Code
IaaS PaaS Cloud Native Application Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Event Hub Vault Function IAM Container Engine Web App Function Cache Mail Monitor ScalingAlert & Notify • Managed • Quick Provision & Decommission • Distributed • Automated • Pay per use/TCO • Vendor takes runtime responsibility • Enterprise grade platform accessible to startups • Rapid Innovation • Security & Availability • Scale Logging
Characteristics of Cloud Native Applications • Modern – born in the cloud (era) • Emphasis on interaction (and decoupling) points: • Between custom components: APIs, Events/ message format • From custom to PaaS Services: Service APIs, Formats and Protocols • Less emphasis on [and insulation from?] implementation of PaaS (platform) services • MongoDB API – implemented by Azure Cosmos DB, MongoDB, Minimongo and AWS Document DB and soon Oracle Autonomous JSON • Kafka API – Azure Event Hub, OCI Streaming, AWS Managed Streaming • JDBC/SQL – Relational Database (Oracle, SQL Server, PostgreSQL, MySQL) and even NoSQL (Oracle NoSQL, Cassandra, Hadoop) • No explicit Infrastructure (serverless, software defined) & managed Platform components • Stateless and Dynamically Scalable (Elastic) – expand and contract • Pay per Use • Automation – no hands on ACC and Production (speed, repeatability, dynamic adjustment) • Infrastructure/Platform as Code & Application CI/CD [pipelines] Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Some (PaaS) Cloud Capabilities for Cloud Native development • Functions (serverless application code) • API Gateway • Events / Queued Messages • Data Persistence • Cache • Security • Network access • Web Application Firewall (DDOS & more) • Authentication & Authorization • Credentials & Key Management, En|Decrypt • Automation – CI/CD & DevOps Pipelines • Monitoring • Metrics, notification, logging • Auditing • Cost Control Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development API Gateway Function Event Topic Data Persistence Cache Monitoring Security(WAF,Network,Authorization CI/CD & DevOps Pipelines
Introducing Oracle Cloud Infrastructure Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Oracle Cloud Gen2 • First generation is now called Classic Cloud • Mainly On Premises software, running in Oracle’s data centers – with some (small) degree of operational management (mainly provisioning and patching) • Not Cloud Native • Gen2 • (largely) Designed from the ground up for the cloud • Applying lessons learned – from classic cloud as well as AWS and Azure • Some focused acquisitions (Dyn, Corente, Palerra, Wercker, DataScience.com)
Oracle Cloud Infrastructure • Generation 2 Cloud • Main themes: • Competitive Pricing • Secure by Design • Open • Enterprise (Technology) • Trials – 30 days, $300 credits • An always-free tier • With Autonomous Database and Autonomous Data Warehouse
Introducing Oracle Cloud Infrastructure Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Functions API Gate way Object Storage NoSQL Database Streaming OCI Services for Cloud Native Application Development Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Functions API Gate way Object Storage NoSQL Database Streaming Digital Assistant Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Visual Builder
OKE – Managed Kubernetes Functions API Gate way Object Storage NoSQL Database Streaming Container Container Compute OCIR Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Digital Assistant Visual Builder
OKE – Managed Kubernetes Functions API Gate way Object Storage NoSQL Database Streaming Container Container ID & Access Management Compartments API/ServiceTagging Search Resource Manager Compute Events OCIR Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault Digital Assistant Visual Builder
OKE – Managed Kubernetes Functions API Gate way Object Storage NoSQL Database Streaming Health Check Monitoring Alarms Notifi- cations Container Container Logging Compute OCIR Notifications Alarming Logging Telemetry/ Monitoring Healthcheck Virtual Machine Container Container Streaming Object Storage ID & Access Management Compartments API/ServiceTagging Search Resource Manager Events Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault Digital Assistant Visual Builder
Tools • OCI Console – browser based GUI • OCI CLI • OCI SDKs – Java, Python, Ruby, Go, TypeScript • OCI REST APIs • Tools & Plugins • Ansible Modules • Terraform Provider • Chef Knife Plugin • Oracle Developer Tools for Visual Studio Code • Toolkit for Eclipse • HDFS Connector OCI Cloud Tenancy Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Cloud Shell OCI Cloud Tenancy Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Demonstration of Cloud Native Application on OCI: Tweets to NoSQL, Streaming & Email Streaming NoSQL Database #groundbreakerstour Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Tweets to NoSQL, Streaming & Email Healthcheck Streaming Events Object Storage Notifications API Gate way NoSQL Database Function Function Write JSON document with Tweets Retrieve X minutes worth of tweets Store JSON file with all tweets in time period Trigger function with event Create Tweet Records in NoSQL Send Tweet Report as email Invoke Tweet Aggregator every X minutes Cloud Event for new JSON file Publish each Tweet to Stream Compartments API/Service Logging Monitoring OCIR Expose function to external callers Publish to Notification Topic Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Get Twitter credentials in secure way from vault
Decoupling Streaming Events Object Storage Notification Topic API Gate way NoSQL Database Function Function Compartments API/Service Logging Monitoring OCIR Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault • Encapsulation (of implementation) • Run time availability independence • Independent release / reconfigure • Independence of scaling • Volume Load Throttling/Absorption • Security Boundary • Failure isolation
Platform Preparation – Infrastructure as Code using Resource Manager & Terraform plan Object Storage Object Storage Bucket Compartments Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault Secure Vault with Keys for Twitter credentials Compartment for Application resources Logging Configuration of Logging Service for Functions Virtual Cloud Network Internet Gateway Route Table Security Lists Virtual Cloud Network with private and public subnet and access from and to public internet API Gate way Skeleton API Gateway for deploying API routing rules to Groups Dynamic Groups for API Gateway and for Functions Streaming Stream for publishing messages to NoSQL Databas Table for persisting record Resource Manager
Serverless Function & Object Storage Object Storage Function Write JSON document with Tweets Store JSON file with all tweets in time period Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Get Twitter credentials in secure way from vault Retrieve X minutes worth of tweets Logging OCIR Container Image Registry Central Logging Service Function Tweet Summarizer
Introducing Serverless Functions • The Container Native Serverless Framwork • Project Fn is an open source FaaS platform that you can run anywhere -- any cloud or on-premise. • It implements serverless Functions through Docker containers • Out of the box support for many runtimes • • also support for custom Docker Container (white box) • Project Fn is the foundation for Serverless Functions on OCI Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Fn Functions – request handling Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Function Implementation (Node, Java, Go, Python, custom Docker, …) FDK Function as a Service framework HTTP Request With method, headers, query parameters, url path, body input – derived from body ctx – raw HTTP request components
Oracle Functions • Functions on OCI – based on Fn • Function Container Images are stored in OCI Container Registry • Triggers can be: • HTTP Requests • OCI Events • API Gateway calls • OCI gathers logs and metrics • A function instance (i.e. a container) will be removed after 5-10 minutes of inactivity • Note: an instance can handle multiple requests Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Function tweet-summarizer in application lab1 Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Function tweet-summarizer – source code in GitHub Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Sources: bit.ly/cloud-native-latam2020
Configuration Settings for Function tweet-summarizer result in environment variables accessible within the function Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault
Object Storage – Bucket for twitter reports Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Serverless Function & Object Storage Object Storage Function Tweet Summarizer Write JSON document with Tweets Store JSON file with all tweets in time period Logging OCIR Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Get Twitter credentials in secure way from vault Retrieve X minutes worth of tweets
Public and Managed Access to Function Tweet Summarizer Object Storage API Gate way Function Logging OCIR Expose function to external callers Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Function Tweet Summarizer
API Gateway • Handle HTTP calls: • Authorize • Route • Map • Monitor/ Audit • GA was Mid December 2019 Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development API Gateway Oracle Cloud Infrastructure Any 3rd party HTTP endpoint Function Stock Any HTTP Endpoint on OCI OIC OKE VM … Any Service Invoker Expose private endpoints publicly Stable (public) endpoints Routing (verb & wildcard based) Parameter and Header mapping Request Policies Rate limiting (per client & general) CORS (for direct web client access) Metrics Monitoring & Logging Authentication & Validation
API Gateway Configuration for public access to Function Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Public and Managed Access to Function Tweet Summarizer Object Storage API Gate way Function Expose function to external callers Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Function Tweet Summarizer
Produce CloudEvent, Publish Notification & Send Mail Events Object Storage Notifications API Gate way Function #groundbreakerstour Send Tweet Report as email Cloud Event for new JSON file on Object Storage Publish to Notification Topic Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault
EVENTS and NOTIFICATIONS SERVICES Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
OCI Resource Cloud Event Notifi catio ns Notification Topic EventRules Email Functions Streaming Functi ons Strea ming Ev ent Ev ent Ev ent Ev ent Events identified and turned to Notification Events to be Published and Routed Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Subscriptions Cloud Event
Configure Event Rule Notification triplet Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development OCI Resour ce Cloud Event EventRules Notifi catio ns Notification Topic
Send email upon Notification Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Email Subscription is Pending until confirmed Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
When confirmed, the subscription is active Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
When the Tweet Summarizer is invoked… Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Events Object Storage Notification API Gate way Function Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault
… the email informs of the new file Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Events Object Storage Notification API Gate way Function Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault
Produce CloudEvent & Publish Notification Events Object Storage Notifications API Gate way Function Send Tweet Report as email Cloud Event for new JSON file Publish to Notification Topic Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault
Trigger Function & Store NoSQL Records Events Object Storage Notifications API Gate way NoSQL Database Function Function Create Tweet Records in NoSQL Trigger function with event Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Retrieve Tweet Report
Introducing NoSQL Database Cloud Service • Launched in February 2020 – a fully managed cloud service • Based on Oracle NoSQL Database • Which itself is based on Berkeley DB as storage engine • Schemaless JSON and SQL enabled on relational data • ACID, consistent, relational, structured, joins • Partial JSON Updates • Server-side updates to JSON documents • Time-To-Live – auto-expire on records • Built-in Data Redundancy • Multi-region architecture • read-anywhere/write-anywhere in “WAN” cluster • REST APIs, OCI CLI and SDKs in Java, Python, Node and Go • NoSQL Database Cloud Simulator for local development and testing • Note: August 13th 2020 – announcement of “Autonomous JSON Database Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
NoSQL Database Table TWEETS_TABLE Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Tweet Records in TWEETS_TABLE Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Trigger Function & Store NoSQL Records Events Object Storage Notifications API Gate way NoSQL Database Function Function Create Tweet Records in NoSQLTrigger function with event Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Retrieve Tweet Report
Stream records Streaming Events Object Storage Notifications API Gate way NoSQL Database Function Function Publish each Tweet to Stream Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault
OCI Streaming Service • Kafka Like – Event Queue • Support for partitions and consumer groups • Events are Published and Consumed through REST API calls • Java SDK available • No Push to Consumer! • Consumer has to poll Oracle Cloud Infrastructure Listener OCI Streaming Stream Publisher On prem Listener Listener 3rd Party Cloud Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Stream records Streaming Events Object Storage Notifications API Gate way NoSQL Database Function Function Publish each Tweet to Stream Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault
Tweet Messages Published by Function consumed from the Stream Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Monitoring | Health Checks • Verify through the eyes of an external client if endpoints are available and respond quick and well • Periodic or Adhoc call to an endpoint • HTTP(S) or Ping • Specify Headers • Specify Interval • From selected Vantage Points • 3rd party clouds, geographic location • Health Check results can be inspected through the Monitor in the Console Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
Monitoring – Health Checks • OCI does not currently have a way to schedule jobs • Health Checks are scheduled HTTP(S) requests Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Healthcheck API Gate way Function Invoke Tweet Aggregator every X minutes
Summary Healthcheck Streaming Events Object Storage Notifications API Gate way NoSQL Database Function Function Compartments OCIR Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Telemetry/ Monitoring Logging Email Delivery #groundbreakerstour Vault Cloud Native: Platform Services Managed Quick Provision & Decommission Distributed Automated Pay per use/TCO Vendor takes runtime responsibility Enterprise grade platform for all Security & Availability Scale Ops facilities (monitor, log, failover) Rapid Innovation (new services, new features, new pricing)
Thank you for your attention I hope this was useful Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development lucas.jellema@amis.nl | technology.amis.nl | @lucasjellema | lucas-jellema Sources and slides: bit.ly/cloud-native-latam2020

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Cloud Native Application Development - build fast, cheap, scalable and agile software on Oracle Cloud Infrastructure - Oracle Groundbreaker Tour Latin America 2020

  • 1. Cloud Native Application Development - build fast, cheap, scalable and agile software on Oracle Cloud Infrastructure Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Oracle Groundbreakers Tour 2020 LATAM Lucas Jellema, CTO & Architect AMIS | Conclusion NoSQL Database Vault Sources and slides: bit.ly/cloud-native-latam2020
  • 2. Lucas Jellema CTO for AMIS | Conclusion Cloud Solution Architect Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development [email protected] | technology.amis.nl | @lucasjellema | lucas-jellema
  • 3. Lucas Jellema CTO for AMIS | Conclusion Cloud Solution Architect Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development [email protected] | technology.amis.nl | @lucasjellema | lucas-jellema
  • 4. A traditional application Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development WebApp Database (RDBMS?)JVM Java EE Operating System Hardware 3rd party libraries & frameworks Monolith, Microservice, Module Platform & Language runtime features (transaction management, HTTP request handling, state management & in memory caching, IAM, … Custom Code
  • 5. IaaS PaaS Cloud Native Application Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Event Hub Vault Function IAM Container Engine Web App Function Cache Mail Monitor ScalingAlert & Notify • Managed • Quick Provision & Decommission • Distributed • Automated • Pay per use/TCO • Vendor takes runtime responsibility • Enterprise grade platform accessible to startups • Rapid Innovation • Security & Availability • Scale Logging
  • 6. Characteristics of Cloud Native Applications • Modern – born in the cloud (era) • Emphasis on interaction (and decoupling) points: • Between custom components: APIs, Events/ message format • From custom to PaaS Services: Service APIs, Formats and Protocols • Less emphasis on [and insulation from?] implementation of PaaS (platform) services • MongoDB API – implemented by Azure Cosmos DB, MongoDB, Minimongo and AWS Document DB and soon Oracle Autonomous JSON • Kafka API – Azure Event Hub, OCI Streaming, AWS Managed Streaming • JDBC/SQL – Relational Database (Oracle, SQL Server, PostgreSQL, MySQL) and even NoSQL (Oracle NoSQL, Cassandra, Hadoop) • No explicit Infrastructure (serverless, software defined) & managed Platform components • Stateless and Dynamically Scalable (Elastic) – expand and contract • Pay per Use • Automation – no hands on ACC and Production (speed, repeatability, dynamic adjustment) • Infrastructure/Platform as Code & Application CI/CD [pipelines] Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 7. Some (PaaS) Cloud Capabilities for Cloud Native development • Functions (serverless application code) • API Gateway • Events / Queued Messages • Data Persistence • Cache • Security • Network access • Web Application Firewall (DDOS & more) • Authentication & Authorization • Credentials & Key Management, En|Decrypt • Automation – CI/CD & DevOps Pipelines • Monitoring • Metrics, notification, logging • Auditing • Cost Control Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development API Gateway Function Event Topic Data Persistence Cache Monitoring Security(WAF,Network,Authorization CI/CD & DevOps Pipelines
  • 8. Introducing Oracle Cloud Infrastructure Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 9. Oracle Cloud Gen2 • First generation is now called Classic Cloud • Mainly On Premises software, running in Oracle’s data centers – with some (small) degree of operational management (mainly provisioning and patching) • Not Cloud Native • Gen2 • (largely) Designed from the ground up for the cloud • Applying lessons learned – from classic cloud as well as AWS and Azure • Some focused acquisitions (Dyn, Corente, Palerra, Wercker, DataScience.com)
  • 10. Oracle Cloud Infrastructure • Generation 2 Cloud • Main themes: • Competitive Pricing • Secure by Design • Open • Enterprise (Technology) • Trials – 30 days, $300 credits • An always-free tier • With Autonomous Database and Autonomous Data Warehouse
  • 11. Introducing Oracle Cloud Infrastructure Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 12. Functions API Gate way Object Storage NoSQL Database Streaming OCI Services for Cloud Native Application Development Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 13. Functions API Gate way Object Storage NoSQL Database Streaming Digital Assistant Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Visual Builder
  • 14. OKE – Managed Kubernetes Functions API Gate way Object Storage NoSQL Database Streaming Container Container Compute OCIR Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Digital Assistant Visual Builder
  • 15. OKE – Managed Kubernetes Functions API Gate way Object Storage NoSQL Database Streaming Container Container ID & Access Management Compartments API/ServiceTagging Search Resource Manager Compute Events OCIR Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault Digital Assistant Visual Builder
  • 16. OKE – Managed Kubernetes Functions API Gate way Object Storage NoSQL Database Streaming Health Check Monitoring Alarms Notifi- cations Container Container Logging Compute OCIR Notifications Alarming Logging Telemetry/ Monitoring Healthcheck Virtual Machine Container Container Streaming Object Storage ID & Access Management Compartments API/ServiceTagging Search Resource Manager Events Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault Digital Assistant Visual Builder
  • 17. Tools • OCI Console – browser based GUI • OCI CLI • OCI SDKs – Java, Python, Ruby, Go, TypeScript • OCI REST APIs • Tools & Plugins • Ansible Modules • Terraform Provider • Chef Knife Plugin • Oracle Developer Tools for Visual Studio Code • Toolkit for Eclipse • HDFS Connector OCI Cloud Tenancy Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 18. Cloud Shell OCI Cloud Tenancy Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 19. Demonstration of Cloud Native Application on OCI: Tweets to NoSQL, Streaming & Email Streaming NoSQL Database #groundbreakerstour Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 20. Tweets to NoSQL, Streaming & Email Healthcheck Streaming Events Object Storage Notifications API Gate way NoSQL Database Function Function Write JSON document with Tweets Retrieve X minutes worth of tweets Store JSON file with all tweets in time period Trigger function with event Create Tweet Records in NoSQL Send Tweet Report as email Invoke Tweet Aggregator every X minutes Cloud Event for new JSON file Publish each Tweet to Stream Compartments API/Service Logging Monitoring OCIR Expose function to external callers Publish to Notification Topic Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Get Twitter credentials in secure way from vault
  • 21. Decoupling Streaming Events Object Storage Notification Topic API Gate way NoSQL Database Function Function Compartments API/Service Logging Monitoring OCIR Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault • Encapsulation (of implementation) • Run time availability independence • Independent release / reconfigure • Independence of scaling • Volume Load Throttling/Absorption • Security Boundary • Failure isolation
  • 22. Platform Preparation – Infrastructure as Code using Resource Manager & Terraform plan Object Storage Object Storage Bucket Compartments Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault Secure Vault with Keys for Twitter credentials Compartment for Application resources Logging Configuration of Logging Service for Functions Virtual Cloud Network Internet Gateway Route Table Security Lists Virtual Cloud Network with private and public subnet and access from and to public internet API Gate way Skeleton API Gateway for deploying API routing rules to Groups Dynamic Groups for API Gateway and for Functions Streaming Stream for publishing messages to NoSQL Databas Table for persisting record Resource Manager
  • 23. Serverless Function & Object Storage Object Storage Function Write JSON document with Tweets Store JSON file with all tweets in time period Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Get Twitter credentials in secure way from vault Retrieve X minutes worth of tweets Logging OCIR Container Image Registry Central Logging Service Function Tweet Summarizer
  • 24. Introducing Serverless Functions • The Container Native Serverless Framwork • Project Fn is an open source FaaS platform that you can run anywhere -- any cloud or on-premise. • It implements serverless Functions through Docker containers • Out of the box support for many runtimes • • also support for custom Docker Container (white box) • Project Fn is the foundation for Serverless Functions on OCI Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 25. Fn Functions – request handling Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Function Implementation (Node, Java, Go, Python, custom Docker, …) FDK Function as a Service framework HTTP Request With method, headers, query parameters, url path, body input – derived from body ctx – raw HTTP request components
  • 26. Oracle Functions • Functions on OCI – based on Fn • Function Container Images are stored in OCI Container Registry • Triggers can be: • HTTP Requests • OCI Events • API Gateway calls • OCI gathers logs and metrics • A function instance (i.e. a container) will be removed after 5-10 minutes of inactivity • Note: an instance can handle multiple requests Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 27. Function tweet-summarizer in application lab1 Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 28. Function tweet-summarizer – source code in GitHub Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Sources: bit.ly/cloud-native-latam2020
  • 29. Configuration Settings for Function tweet-summarizer result in environment variables accessible within the function Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault
  • 30. Object Storage – Bucket for twitter reports Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 31. Serverless Function & Object Storage Object Storage Function Tweet Summarizer Write JSON document with Tweets Store JSON file with all tweets in time period Logging OCIR Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Get Twitter credentials in secure way from vault Retrieve X minutes worth of tweets
  • 32. Public and Managed Access to Function Tweet Summarizer Object Storage API Gate way Function Logging OCIR Expose function to external callers Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Function Tweet Summarizer
  • 33. API Gateway • Handle HTTP calls: • Authorize • Route • Map • Monitor/ Audit • GA was Mid December 2019 Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development API Gateway Oracle Cloud Infrastructure Any 3rd party HTTP endpoint Function Stock Any HTTP Endpoint on OCI OIC OKE VM … Any Service Invoker Expose private endpoints publicly Stable (public) endpoints Routing (verb & wildcard based) Parameter and Header mapping Request Policies Rate limiting (per client & general) CORS (for direct web client access) Metrics Monitoring & Logging Authentication & Validation
  • 34. API Gateway Configuration for public access to Function Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 35. Public and Managed Access to Function Tweet Summarizer Object Storage API Gate way Function Expose function to external callers Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Function Tweet Summarizer
  • 36. Produce CloudEvent, Publish Notification & Send Mail Events Object Storage Notifications API Gate way Function #groundbreakerstour Send Tweet Report as email Cloud Event for new JSON file on Object Storage Publish to Notification Topic Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault
  • 37. EVENTS and NOTIFICATIONS SERVICES Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 38. OCI Resource Cloud Event Notifi catio ns Notification Topic EventRules Email Functions Streaming Functi ons Strea ming Ev ent Ev ent Ev ent Ev ent Events identified and turned to Notification Events to be Published and Routed Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Subscriptions Cloud Event
  • 39. Configure Event Rule Notification triplet Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development OCI Resour ce Cloud Event EventRules Notifi catio ns Notification Topic
  • 40. Send email upon Notification Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 41. Email Subscription is Pending until confirmed Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 42. When confirmed, the subscription is active Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 43. When the Tweet Summarizer is invoked… Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Events Object Storage Notification API Gate way Function Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault
  • 44. … the email informs of the new file Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Events Object Storage Notification API Gate way Function Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Vault
  • 45. Produce CloudEvent & Publish Notification Events Object Storage Notifications API Gate way Function Send Tweet Report as email Cloud Event for new JSON file Publish to Notification Topic Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault
  • 46. Trigger Function & Store NoSQL Records Events Object Storage Notifications API Gate way NoSQL Database Function Function Create Tweet Records in NoSQL Trigger function with event Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Retrieve Tweet Report
  • 47. Introducing NoSQL Database Cloud Service • Launched in February 2020 – a fully managed cloud service • Based on Oracle NoSQL Database • Which itself is based on Berkeley DB as storage engine • Schemaless JSON and SQL enabled on relational data • ACID, consistent, relational, structured, joins • Partial JSON Updates • Server-side updates to JSON documents • Time-To-Live – auto-expire on records • Built-in Data Redundancy • Multi-region architecture • read-anywhere/write-anywhere in “WAN” cluster • REST APIs, OCI CLI and SDKs in Java, Python, Node and Go • NoSQL Database Cloud Simulator for local development and testing • Note: August 13th 2020 – announcement of “Autonomous JSON Database Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 48. NoSQL Database Table TWEETS_TABLE Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 49. Tweet Records in TWEETS_TABLE Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 50. Trigger Function & Store NoSQL Records Events Object Storage Notifications API Gate way NoSQL Database Function Function Create Tweet Records in NoSQLTrigger function with event Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault Retrieve Tweet Report
  • 51. Stream records Streaming Events Object Storage Notifications API Gate way NoSQL Database Function Function Publish each Tweet to Stream Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault
  • 52. OCI Streaming Service • Kafka Like – Event Queue • Support for partitions and consumer groups • Events are Published and Consumed through REST API calls • Java SDK available • No Push to Consumer! • Consumer has to poll Oracle Cloud Infrastructure Listener OCI Streaming Stream Publisher On prem Listener Listener 3rd Party Cloud Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 53. Stream records Streaming Events Object Storage Notifications API Gate way NoSQL Database Function Function Publish each Tweet to Stream Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development #groundbreakerstour Vault
  • 54. Tweet Messages Published by Function consumed from the Stream Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 55. Monitoring | Health Checks • Verify through the eyes of an external client if endpoints are available and respond quick and well • Periodic or Adhoc call to an endpoint • HTTP(S) or Ping • Specify Headers • Specify Interval • From selected Vantage Points • 3rd party clouds, geographic location • Health Check results can be inspected through the Monitor in the Console Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development
  • 56. Monitoring – Health Checks • OCI does not currently have a way to schedule jobs • Health Checks are scheduled HTTP(S) requests Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Healthcheck API Gate way Function Invoke Tweet Aggregator every X minutes
  • 57. Summary Healthcheck Streaming Events Object Storage Notifications API Gate way NoSQL Database Function Function Compartments OCIR Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development Telemetry/ Monitoring Logging Email Delivery #groundbreakerstour Vault Cloud Native: Platform Services Managed Quick Provision & Decommission Distributed Automated Pay per use/TCO Vendor takes runtime responsibility Enterprise grade platform for all Security & Availability Scale Ops facilities (monitor, log, failover) Rapid Innovation (new services, new features, new pricing)
  • 58. Thank you for your attention I hope this was useful Oracle Groundbreakers Tour 2020 LATAM | Oracle Cloud Native Application Development [email protected] | technology.amis.nl | @lucasjellema | lucas-jellema Sources and slides: bit.ly/cloud-native-latam2020

Editor's Notes

  • #7: Out of the box PaaS services and facilities persistence, routing/throttling/buffer/queue/retry IDM, key mgt, encryption/decryption Distribution, CDN, regional failover Monitor, log, alert/notification Scalability (up & down) Quick Rampup Emphasis on interaction points: APIs, Events/ message format Less emphasis on implementation of PaaS (platform) services MongoDB API – implemented by Azure Cosmos DB, MongoDB, Minimongo and AWS Document DB and soon Oracle Autonomous JSON Kafka API – Azure Event Hub, OCI Streaming, AWS Managed Streaming JDBC/SQL – Relational Database (Oracle, SQL Server, PostgreSQL, MySQL) and even NoSQL (Oracle NoSQL, Cassandra, Hadoop)