At some point, there will be a system change significant enough that a maintenance window needs to be scheduled with customers. But that doesn’t mean the end-user traffic or client integrations will stop requesting the services. What we need to present to end-users is a maintenance page during this outage to indicate the overall solution … GCP: Cloud Run/Function to handle requests to GKE cluster during maintenance
GKE cluster upgrades do not need to be a manual process. GKE clusters can be auto upgraded by subscribing the cluster to an appropriate release channel and assigning a sensible maintenance window. As long as adequate pod disruption budgets, replicas, and ingress are configured, these upgrades can happen without interrupting availability. To check the current … GCP: Enabling autoUpgrade for node-pools to reduce manual maintenance
At some point you may need to schedule a maintenance window for your solution But that doesn’t mean the end-user traffic or client integrations will stop requesting the services from the GCP external HTTPS LB that fronts all client requests. The VM instances and GKE clusters that normally respond to requests may not be able … GCP: Cloud Function to handle requests to HTTPS LB during maintenance
No matter how highly available your services, there may still be significant backend events that require planned maintenance. During this downtime, you should still reply to end users and service integrations with a proper response. In this article, I will show you how to configure your GCP HTTPS Loadbalancer so that a single maintenance service … GCP: serving a maintenance page using an HTTPS LB and container native routing
For most Cloud Foundry applications and services, you can avoid downtime for maintenance with a combination of following best practices for 12 factor app development and taking advantage of Cloud Foundry’s scaling and flexible routing to implement Blue-Green deployment. But there will still be times where an application, service, or shared backend component does not … CloudFoundry: Beyond the maintenance page, delivering a response during service unavailability