Web APIs: A Pillar of Digital Transformation Oracle API Cloud Services – Part 2 by Rolando Carrasco

October 28, 2018 Leave a comment

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How to Publish APIs to the API Portal

Either for internal or external purposes, it’s necessary to have an API Portal where 3rd parties or internal developers can register applications to subscribe to APIs. Our API management strategy will be successful only if developers actually use our APIs. And if that happens, we need to:

  • Identity those developers
  • Manage them
  • Communicate to them any changes in our APIs
  • Understand how they’re using the APIs
  • Receive feedback from them

An API Portal is key to enabling this communication. Oracle API Platform Cloud Service offers an out-of-the-box portal that you can use to fulfill the requirements listed above. In the next section of this article we will publish our Tickets API to the API Portal.

The following steps are performed within the API Manager Portal:

(https://<hostname&gt;:<port>/apiplatform)

Login as an API manager user: Read the complete article here.

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Validating API Platform Policies & Gateway Deployments by Phil Wilkins

October 27, 2018 Leave a comment

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When configuring API Policies in the the Oracle API Platform it helps if there is a simple back end that can take the received payload and record the sent values (header & body) as well as reflect the call details back as the response, or possibly respond with a test payload (so that response policies, particularly policies that require payload navigation  can be exercised correctly).  By having this facility it becomes a lot easier to determine whether the policies are executing correctly in terms of routing, transforming, filtering etc. without needing to worry about whether the API implementation is correct. You could say that this is a kind of mock for testing the API Platform.

The added benefit of having a mock back end is that it is easy to ‘smoke test’ a gateway deployment very easily.  Particularly if the mock is happy to receive any form of call.

Whilst implementing such a capability can be done in pretty much any language and platform you like.  We have in the past for example built a Springboot Java application that can have the dependencies configured to then deploy into WebLogic for example.  We have come to refer these test apps/mocks as PlatformTests as that’s exactly what they help do. A Node.js implementation of a PlatformTest such as as the following implementation is particularly appealing as the Node.js footprint is small and simple to deploy and undeploy. A basic Node.js implementation can also consume any URL and operation you choose to use. The nature of JavaScript makes it very quick to adapt the mock if need be. Although in the ideal world, we write the solution once and then use simple configuration to tune behavior. Read the complete article here.

 

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Teaching How to Design and Secure an API with Oracle API Platform by Carlos Rodriguez Iturria

October 26, 2018 Leave a comment

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This blog is the second part of an end-to-end exercise that starts explaining the steps to clone a GitHub repository that contains an agnostic Medical Records application, built by us in NodeJS and which exposes REST API endpoints via a Swagger API-descriptor running locally on Swagger UI (all included as part of the repository). The previous part of this 2-blogs series also explains the steps required to run the MedRec NodeJS application on Docker containers either locally or in the Oracle Public Cloud. For more information about this first part, go here.

Moving to this second part, we are going to cover the following steps:

1. Create an Apiary account used to Design APIs (API First approach) and create a new API Project using the existing MedRec Swagger API-definition.

2. We are going to spend a little bit of time playing with Apiary to feel comfortable in areas such as:

1. Validating API definitions

2. Testing API endpoints

3. Switching across out-of-the-box Mock Servers and real Production MedRec service end-points. Read the complete article here.

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Understanding API Deployment State on API Platform by Phil Wilkins

October 25, 2018 Leave a comment

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The new Oracle API Platform makes it possible to deploy different versions of your APIs to different gateway instances. When you you’re managing the Development API Policies through all the different stages of the lifecycle (Design to Production) from a single management tier such a capability is essential. This is further challenged by the fact that each save of you API Definition creates a new iteration (the term used to identify each saved ‘version’ of the API)

However it does lead the challenge from a management perspective of knowing which iterations are running on each Gateway. You can get the information from the current UI but it requires multiple steps to get the information. The UI also lends itself more to the design processes today than perhaps the more dense information views that an operational report might warrant.

I’m sure that over time these views will come, but today we can solve the problem by taking advantage of the fact that the product lives by its own ‘mission’ by offering a very rich set of APIs. As a result it becomes possible to actually build your own views. To that end I have written a Groovy script which will go through each API that can be seen and retrieves the iteration deployed to each logical gateway. Read the complete article here.

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AMIS Oracle OpenWorld Review November 5th 2018 Utrecht

October 23, 2018 Leave a comment

Come to the AMIS Oracle OpenWorld and Oracle Code One Review on November 5th. In one evening we will update you on the current themes, developments and ‘hot news’ that Oracle has announced during Oracle OpenWorld and Oracle Code One from October 22 to 25 in San Francisco.

For details please visit the registration page here.

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Amit Zavery’s Oracle OpenWorld Oracle Cloud Platform Strategy and Roadmap 2018

October 23, 2018 Leave a comment

 

Don’t Miss these Oracle OpenWorld 2018 PaaS Sessions!

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Additional new content PaaS Partner Community

October 22, 2018 Leave a comment

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  • Hear from the CIOs of 5 companies – Acardis, California Department of Conservation, Darling Ingredients, ARRIS, and Kingold Group on how they are revamping their companies’ systems for the cloud. Get their thoughts on data sovereignty and data access by reading the Tales of Digital Transformation article.
  • Read how SuiteBox built a financial services firm from scratch using Oracle Cloud on how they’ve benefitted from being associated with Oracle’s brand. Read the customer story on their cloud native approach.
  • Payscout, a global payment process company is counting on VR to boost international ecommerce using the Oracle Cloud Platform. Read the article. Watch the video.
  • AAR, a global aviation services company, shows that Chatbots aren’t just for born-on-the-cloud startups. Read the article.
  • UBI Banca chooses Oracle Security Cloud and embraces digital innovation, while addressing GDPR requirements from EU. Watch UBI Banca’s Chief Security Officer share how cloud offers great opportunities for security. Watch the video.
  • National Pharmacies keeps customers at the center of innovation. Read the article on creative ways its mobile app is run on the Oracle Mobile Cloud Platform.
  • Discover how cloud-based Carbon Inc breaks the mold and implements their first cloud implementation in just 3 months. Read the Profit Magazine article.
  • See how Trunk Club, an online personalized fashion service has used Oracle Apiary Cloud Service and APIs to innovate fashion design. Read the blog post.
  • iStudy Co., Ltd delivers a new eLearning environment to customers 5x faster, increases their sales, and reduces their data center operating costs with Oracle. Read the success story.
  • Introducing Oracle Internet of Things Connected Worker Cloud. Read the blog post.
  • Oracle IoT Cloud Apps Rollout in Mexico City. Read the blog post.
  • Coming to Your Town: Oracle Code 2018 The 2018 Oracle Code event series kicks off in Los Angeles on February 27, then makes its way to cities throughout the US and around the world. Sign up now to be notified when registration opens for your town, and learn how you can submit session proposals. Get more information.

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Don’t Miss these Oracle OpenWorld 2018 PaaS Sessions!

October 21, 2018 Leave a comment

View this on-demand webcast for an OpenWorld preview to help you choose the best PaaS sessions. The webcast will highlight Focus On documents, key sessions, hands-on labs, and an overview of the Exchange demo ground.

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For a short summery see the YouTube video and blog post.

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10 reasons NOT to implement Blockchain now by Maarten Smeets

October 20, 2018 Leave a comment

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A secure distributed ledger with smart contract capabilities not requiring a bank as an intermediary! Also a single source of truth with complete traceability. Definitely something we want! Blockchain technology promises to make this possible. Blockchain became famous through cryptocurrency like Bitcoin and Ethereum. The technology could also be considered to replace B2B functionality. With new technologies it is not a bad idea to look at pro’s and con’s before starting an implementation. Blockchain is the new kid on the block and there is not much experience yet on how well he will play with others and will mature. In this blog I summarize some of my concerns concerning blockchain of which I hope will be solved in due time.

Regarding new/emerging technologies in the integration space, I’m quite open to investigate the potential value which they can offer. I’m a great proponent of for example Kafka, the highly scalable streaming platform and Docker to host microservices. However, I’ve been to several conferences and did some research online regarding blockchain and I’m sceptical. I definitely don’t claim to be an expert on this subject so please correct me if I’m wrong! Also, this is my personal opinion. It might deviate from my employers and customers views.

Most of the issues discussed here are valid for public blockchains. Private blockchains are of course more flexible since they can be managed by companies themselves. You can for example more easily migrate private blockchains to a new blockchain technology or fix issues with broken smart contracts. These do require management tooling, scripts and enough developers / operations people around your private blockchain though. I don’t think it is a deploy and go solution just yet.

1 Immutable is really immutable!

A pure public blockchain (not taking into account sidechains and off chain code) is an immutable chain. Every block uses a hashed value of the previous block in its encryption. You cannot alter a block which is already on the chain. This makes sure things you put on the chain cannot suddenly appear or disappear. There is traceability. Thus you cannot accidentally create money for example on a distributed ledger (unless you create immutable smart contracts to provide you with that functionality). Security and immutability are great things but they require you to work in a certain way we are not that used to yet. For example, you cannot cancel a confirmed transaction. You have to do a new transaction counteracting the effects of the previous one you want to cancel. Read the complete article here.

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BPM 12.2.1.3: Exception when deploying BPM project with Human tasks by Martien van den Akker

October 19, 2018 Leave a comment

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This week I deliver a BPM 12c Workshop, that I based on the 12.2.1.3 BPM QuickStart. When the students worked on the lab on Human Workflow, they hit an error deploying the Composite, where in the log you can find something like:

Apparently in the repository of 12.2.1.3 a column is missing in the Workflow Metadata table.
Luckily, I stumbled upon a question in the community.oracle.com forum that hit this ‘bug’ as well; and provided a solution. You need to do an alter table to resolve this:

1

ALTER TABLE SOAINFRA.WFTASKMETADATA ADD PACKAGENAME varchar (200);

The smart guy that provided the answer, used a separate Database UI tool. But fortunately, JDeveloper is perfectly capable to provide you de means as well.
First open the Resource Pallette in JDeveloper. Make sure that you have started your Integrated WebLogic already (since that will run the DerbyDB.
Then in the Resource Pallette, create a new Database Connection: Read the complete article here.

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