Docker is an open-source platform that allows you to develop, build, deploy, test, manage and run applications in containers. Containers are standardized units that include libraries, system tools, code, and runtime to run software or application.
This a second part of the deployment vSphere IaaS Control Plane with Avi Load Balancer and VDS. In this post, we will enable Workload Management, create vSphere namespace and a cluster. Also, I’m going to deploy 3 tier app inside the Kubernetes workload cluster.
vSphere IaaS Control Plane with VMware Avi Load Balancer and vSphere Distributed Switch (VDS) provides a robust architecture for managing and delivering containerized applications in a virtualized environment. This setup, enables unified environment where Kubernetes applications can run alongside with traditional virtual machines. Administrators can deploy K8S workload clusters directly on vSphere environment. For some time, this product was know as vSphere with Tanzu or Tanzu Kubernetes Grid Service, aka TKGs.
Zabbix is an open-source monitoring tool designed to oversee various components of IT infrastructure, including networks, servers, virtual machines, and cloud services. It operates using both agent-based and agentless monitoring methods. Agents can be installed on monitored devices to collect performance data and report back to a centralized Zabbix server.
After creating the cluster, default user kubeadmin was prepared to log in to the new environment. However, there are several more secure ways to access your Red Hat OpenShift cluster. You can use different identity providers like LDAP, Keystone, Google, GitHub or OpenID Connect. Another one is HTPasswd which seems to be easiest to configure and use.
One of the challenges that organizations and administrators need to be familiar is installing patches/updating the Red Hat OpenShift infrastructure. There are two ways to update a cluster: using Web Console or CLI. With both methods, you can achieve the same result and update is smooth.
Docker is an open-source platform that allows you to develop, build, deploy, test, manage and run applications in containers. Containers are standardized units that include libraries, system tools, code, and runtime to run software or application.
etcd is a consistent, open-source and distributed key-value store used in Kubernetes to backing all cluster resources like: configuration data, state data or metadata.
Regular backups of etcd database are crucial habit for Kubernetes clusters. Red Hat OpenShift has build-in mechanism to achieve that.
Red Hat OpenShift Container Platform is a container Kubernetes platform. With OpenShift, organizations can automate application deployment and management.
RH Openshift can be run in a private cloud infrastructure directly on the bare metal servers and on the virtualization platforms like VMware, Nutanix or Openstack. Also, it’s possible to install OCP in the public clouds like AWS, Azure, GCP or Alibaba.
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