OpenShift 4: Query Prometheus API for Firing Alert
Introduction Prometheus is a robust, efficient and cloud native monitoring tools, graduated from CNCF incubator. It was part of the OpenShift since OpenShift 3.11. In...
by Muhammad Aizuddin Zali · Published November 4, 2020 · Last modified November 24, 2020
Introduction Prometheus is a robust, efficient and cloud native monitoring tools, graduated from CNCF incubator. It was part of the OpenShift since OpenShift 3.11. In...
by Muhammad Aizuddin Zali · Published October 14, 2020 · Last modified October 15, 2020
KNI, Kubernetes Native Infrastructure is one of the method deploying OpenShift baremetal with IPI (Installer Provided Infrastructure), yes you read it right, a baremetal automated...
Cloud / Kubernetes / OpenShift
by Muhammad Aizuddin Zali · Published September 9, 2020 · Last modified September 29, 2020
Image registry storage is best and recommended to run on S3 storage endpoint(then filesystem storage, then block). In this blog context, we are going to...
by Muhammad Aizuddin Zali · Published June 13, 2020 · Last modified August 15, 2020
One of the features provided by Red Hat OpenShift Service Mesh(OSSM) is tracing capability. This capability is provided by Jaeger, an OpenTracing compliant component. In...
by Muhammad Aizuddin Zali · Published May 9, 2020 · Last modified September 29, 2020
Introduction By default, all namespace egress networking will be using host IP where the pod sits as SNAT rule, similar to how our home router...
Cloud / Kubernetes / OpenShift
by Muhammad Aizuddin Zali · Published April 7, 2020 · Last modified May 10, 2020
Objective Sending alert to Slack and defined proper channel for each alert type. Pre-Requisites: Three channels created in slack #watchdog #clusterwatch Incoming webhook configured for...
by Muhammad Aizuddin Zali · Published March 27, 2020 · Last modified August 5, 2020
Objective Setting up 2 x LACP bonding using boot params options. For guidance on the boot params available look here. (Cover image : https://unsplash.com/@thomasjsn) 2...
by Muhammad Aizuddin Zali · Published March 13, 2020 · Last modified March 20, 2020
Objective One of the support component to install OpenShift 4 is the DHCP. We need to ensure this DHCP is resilient and highly available hence...
by Muhammad Aizuddin Zali · Published March 10, 2020 · Last modified March 11, 2020
Objective On top of the standard api.<cluster_name>.<subdomain> as external API endpoint, we are going to serve this endpoint using custom URL as below: Custom API...
Objective Becoming organization/private PKI provider Shared rootCA certificate to be trusted by client. Creating a Root Certificate Authority 1. Create your root CA RSA key...