Web site deployed on 2 Kubernetes clusters in Frankfurt and Ashburn connected through an internal remote peering connection to a WebLogic+OracleDB backend deployed in Frankfurt


This is a 3 tier application with a front web with lots of static content served by Apache connected to a Java backend exposing services and application logic deployed on a WebLogic cluster connected as well to an Oracle Autonomous database for data storage and other business logic. WebLogic cluster is deployed on k8s using … Continue reading Web site deployed on 2 Kubernetes clusters in Frankfurt and Ashburn connected through an internal remote peering connection to a WebLogic+OracleDB backend deployed in Frankfurt

A simple script to start/stop/scale a WebLogic Server cluster running on k8s under WebLogic Kubernetes Operator


WebLogic Kubernetes Operator provides capabilities to create and deploy different types of WebLogic Domains (basic, JRE, RestrictedJRF, SOA, ...) on k8s. One of the built artifacts produced during the cluster setup is a yaml with stuff related to the domain resource, which is the construct provided by the operator for k8s to "understand" the concept … Continue reading A simple script to start/stop/scale a WebLogic Server cluster running on k8s under WebLogic Kubernetes Operator

OCI script to create File System snapshots with a retention period


OCI File Storage provides network file system storage. One of its capabilities is the option to create snapshots. In this post we are building a shell script that creates snapshots regularly and deletes those older than a specific number of days Steps Get the ocid of the file system you want to create snapshots for … Continue reading OCI script to create File System snapshots with a retention period

Building a docker image, pushing to OCIR and deploying to OKE with DevCS


OCIR=Oracle Cloud Infrastrure Registry OKE=Oracle Kubernetes Engine DevCS=Developer Cloud Service Step 1: Create a new git repo or clon one existing with the code for building the image Step2: Create a new job Step3: Set the git repo Step4: Add docker login step The purpose is to login to the OCIR (OCI Registry). User is … Continue reading Building a docker image, pushing to OCIR and deploying to OKE with DevCS

Listing the content of an object storage bucket in OCI from an autonomous database with PL/SQL code


This post explains a specific use case, but it can be used for calling whatever existing OCI REST API fron the database. DBMS_CLOUD DBMS_CLOUD provides all you need to handle requests to OCI REST API's. What you need Create and grab a private and public keys and also grab your tenancy ocid, get help from … Continue reading Listing the content of an object storage bucket in OCI from an autonomous database with PL/SQL code

Building ELZ’s (Enterprise Landing Zones) in OCI


Landing Zone or Enterprise Landing Zone refers to the implementation of cloud building blocks ready to be operated in production workloads by following a set of methodologies and best practices that helps in the adoption of the constantly growing capabilities provided by cloud vendors. Cloud resources SaaS, PaaS and IaaS (XaaS), networking, data and storage: … Continue reading Building ELZ’s (Enterprise Landing Zones) in OCI

Calling an Endpoint with Untrusted Certificate from Autonomous Database PL/SQL Program via API Gateway


Oracle Autonomous Database is a cloud Oracle service offered in two infrastructure modes (shared and dedicated) and two types of workloads (OLTP or DSS). Since the user does not have access to the underlying infrastructure, several features are restricted, for instance, you can't manage wallets to add remote endpoint untrusted certificates: the database comes with … Continue reading Calling an Endpoint with Untrusted Certificate from Autonomous Database PL/SQL Program via API Gateway

Sending Messages when DevCS Jobs Fail | OCI Notification Service


OCI Notifications are subscription topics for sending messages to channels like email, rest or pager when things happen. Example In the following example we are sending a notification when the start job of an autonomous database fails, for example if the database is already started. # oci db autonomous-database start --autonomous-database-id ocid1.autonomousdatabase.oc1.eu-frankfurt-1.abtheljr3....6kfsvmxnge2q || { # … Continue reading Sending Messages when DevCS Jobs Fail | OCI Notification Service

Moving a 15-year-old Java 1.4 Application from Oracle AS 10g to WebLogic 12g on Kubernetes in Record Timeframe not Dying in the Intent nor Losing any Line of Code


Not all monoliths should be killed because they are! This is the true story about migration and modernisation of a travel sector solution based on ADF, Java 1.4, Struts, Jac¡vaScript and PHP running on Oracle Application Server 10 and Oracle 10g database. Perhaps old people in town can remember things such as OAS, OC4J, jHeadStart, … Continue reading Moving a 15-year-old Java 1.4 Application from Oracle AS 10g to WebLogic 12g on Kubernetes in Record Timeframe not Dying in the Intent nor Losing any Line of Code