Sending Notifications of Failed Health Checks in Oracle Cloud Infrastructure


Notifications service is a broadcast message delivery based in publish-subscribe mechanism. Health Checks service provides users with high frequency external monitoring to determine the availability and performance of any publicly facing service, including hosted websites, API endpoints, or externally facing load balancers. One: Create a Health Check Click the HealthChecks menu option located in the Monitoring … Continue reading Sending Notifications of Failed Health Checks in Oracle Cloud Infrastructure

Setting OCI privileges to users federated in external Identity Provider


In this post we are explaining how to grant OCI privileges to users federated with IDCS or other identity provider. OCI policies can be granted to OCI groups, not federated groups, therefore we need a mechanism to do that. Let's suppose we have a group of developers called xxxx-developers that need full access to all … Continue reading Setting OCI privileges to users federated in external Identity Provider

Lift and Shift of a Long Time Running Distributed Compute Workload | Onprem vs Oracle Cloud Infrastructure


This is the real history of a company running a long-duration workload once at the end of every month, consisting on a very mature solvency risk calculation distributed computing application built with Oracle Coherence and Java. The application behavior is like a progressive degradation of performance because the delays caused by garbage collector events as … Continue reading Lift and Shift of a Long Time Running Distributed Compute Workload | Onprem vs Oracle Cloud Infrastructure

oke-cluster-start-stop, a kubectl Plugin for starting/stopping all the Compute Nodes of an OKE Cluster


If you want to start or stop all of your OKE data plane cluster nodes you must go to all the nodes and execute the action one by one. The current post depicts a kubectl plugin extension created for helping you to start/stop your oke clusters. NOTES: The tool has been developed and tested in … Continue reading oke-cluster-start-stop, a kubectl Plugin for starting/stopping all the Compute Nodes of an OKE Cluster

Near Real Time Data Driven SaaS Integration with Streaming | Part 1: Overview


File based approaches File-based data exchange comfort a large percentage of the integrations between SaaS and other ERP solutions in the past and today. The approach is robust and allows a large number of transactions to be executed in batch without affecting the online systems, but it has an inconvenience: the information is not updated … Continue reading Near Real Time Data Driven SaaS Integration with Streaming | Part 1: Overview

Set Up an Ingress Controller in OKE Cluster


Here a recipe to create a ingresscontroller. Step 1: setting up the nginx ingress controller kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/static/mandatory.yaml Step 2: exposing the ingress as a service of type LoadBalancer (as a public IP) kubectl apply -f https://raw.githubusercontent.com/javiermugueta/rawcontent/master/cloud-generic.yaml Step 3: Execute this command several times until the external-ip appears as non <pending>, grab the IP … Continue reading Set Up an Ingress Controller in OKE Cluster

Deploying a Coherence Cluster in Kubernetes


Coherence-Operator is a Kubernetes opeartor for deploying Oracle Coherence in k8s. Let's see how to do it. 1 Clean previous setup intents: helm del --purge sample-coherence helm del --purge sample-coherence-operator kubectl delete namespace sample-coherence-ns 2 Execute the following: kubectl config set-context $(kubectl config current-context) --namespace=sample-coherence-ns helm repo add coherence https://oracle.github.io/coherence-operator/charts helm repo update helm --debug … Continue reading Deploying a Coherence Cluster in Kubernetes

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

Shared Disk for your Pods: PersistentVolumes for Oracle Kubernetes Engine (OKE) Implemented as NFS File Storage in Oracle Cloud Infrastructure (OCI)


When you deploy in k8s a pod depending in persistent volume attached to block storage (for example this post), the volume created is mounted on a specific node. If that node fails or is stopped, the pods running on it fail when trying to be created in other node according to the replication policies they … Continue reading Shared Disk for your Pods: PersistentVolumes for Oracle Kubernetes Engine (OKE) Implemented as NFS File Storage in Oracle Cloud Infrastructure (OCI)