KUBERNETES

IT by javier mugueta5 June, 20195 June, 2019

Shared Disk Seen by Pods Deployed in two Independent OKE Clusters across two Cloud Regions | Remote Network Peering

In this episode we are creating 2 independent OKE clusters, one in Frankfurt and the other in Phoenix, and then we will create a File System in Frankfurt (kind of NFS server) that will act as repository for a shared persistent volume reachable by all the pods of a deployment deployed to both clusters. Remote […]

IT by javier mugueta22 January, 201923 January, 2019

Creating a Fast&Simple Container for Sending Messages to a Topic in Oracle Event Hub Cloud Service (aka OEHCS, which is a Kafka cluster) and Deploying it to Kubernetes Cluster

The container uses 4 environment variables, you can find a container already built for you here SOURCE CODE OF THE PRODUCER var sleep = require(‘system-sleep’); const oehcs_connect_url = process.env.OEHCS_CONNECTURL const topic_name = process.env.TOPIC_NAME const num_partitions = process.env.NUM_PARTITIONS const message = process.env.MESSAGE var kafka = require(‘kafka-node’), HighLevelProducer = kafka.HighLevelProducer, client = new kafka.KafkaClient({kafkaHost: oehcs_connect_url}), producer = new […]

IT by javier mugueta20 December, 201815 January, 2019

Creating a Java Microservice with Helidon/Microservice Archetype Deployed in Kubernetes

With Helidon you can create Java microservices easily. In this blog, we are creating/exposing a REST service that gets a JSON document stored in an Oracle database and retrieves it to the requestor. For retrieving the JSON document from the database we are using ORDS and SODA but you can use JDBC as well, we’ll show […]

IT by javier mugueta17 December, 201816 December, 2018

Weblogic Kubernetes operator or how to run WebLogic clusters in k8s

There are lots of WebLogic clusters running around the globe every day. When you withdraw money in the ATM, buy lettuces in the supermarket or make a phone call there is a WebLogic server (and probably an Oracle database too) is executing some logic for you. Computing paradigms today tend to new standards and Kubernetes […]

IT by javier mugueta16 December, 201810 April, 2019

Deploy ORDS (Oracle Rest Data Services) to Kubernetes Cluster

ORDS is a piece of software that acts as an intermediary between Oracle Database and the layers where business logic is implemented and/or consumed. NOTE: If your database hasn’t been set up for ORDS just google for it or take a look at this post. With ORDS you expose database objects as REST. ORDS can be […]

IT by javier mugueta4 December, 20184 December, 2018

Pushing a Container to Oracle Cloud Infrastructure Registry (OCIR) and Pulling it from OKE

OCIR is a Docker v2 compliant private registry provided by Oracle in their OCI (Oracle Cloud Infrastructure) offering. Let’s have a look at it. First log in to the repository this way: docker login <region-code>.ocir.io, where <region-code> is documented here. Then, you’ll need a user/password. For the user, provide an existing user in the OCI tenancy. […]

IT by javier mugueta21 November, 201821 November, 2018

Installing Jenkins X on Oracle Kubernetes Engine (aka OKE)

First, install this tool in local: brew tap jenkins-x/jx brew install jx Check here for installing the tool in other OS’s than MAC. And now issue this command to deploy on the k8s cluster of the oracle provider (oke): jx install –provider=oke Follow instructions and command prompts and you’ll get them’all stuff installed if a few […]