Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
The helloworld Service had a spec.runLatest field which serves all the traffic to the latest revision created form the Service’s revisionTemplate field. To test out the effects of a new version of your application, you will need to run multiple versions of your applications and route a portion of your traffic to the new “canary” version you are testing. This practice…
Knative Serving For prototyping purposes, Knative works on most local deployments of Kubernetes. For example, you can use a local, one-node cluster that has 3 CPUs and 4 GB of memory. Knative EventingFor prototyping purposes, Knative works on most local deployments of Kubernetes. For example, you can use a local, one-node cluster that has 3…
Here’s what each of these Serving APIs do: Service Describes an application on Knative. Revision Read-only snapshot of an application’s image and other settings (created by Configuration). Configuration Created by Service (from its spec.configuration field). It creates a new Revision when the revisionTemplate field changes. Route Configures how the traffic coming to the Service should be split between Revisions. This diagram explains the…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
Deployment Methods– YAML-based installation – Knative Operator Knative Networking Options– Kourier– Istio– Contour Knative DNS Options– Magic DNS (sslip.io)– Real DNS– Temporary DNS Knative Serving extensions– HPA autoscaling– TLS with cert-manager– TLS with HTTP01 Knative Eventing Channel (messaging) layer– Apache Kafka Channel– In-Memory (standalone)– NATS Channel Knative Eventing Broker layer– Apache Kafka Broker– MT-Channel-based– RabbitMQ Broker…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
1.8.5 1.9.4 1.10.2 Istio chart to be installed for knative networking Upgrade Uninstalling a networking layer Uninstalling the Serving component How to Uninstall the existing Knative Version? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark,…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
The URL format for Knative Service (KService or ksvc) objects in Kubernetes is typically determined by the DNS configuration and domain suffixes within your Kubernetes cluster. The format http://<service-name>.<namespace>.svc.cluster.local is the default URL structure for services within a Kubernetes cluster, where: If you want to use a custom domain name like http://devops.default.example.com instead of the…
Changing a value in config-defaults configmap would immediatly impact the ksvc? Yes, changing a value in the config-defaults configmap would immediately impact the Knative services that are using that configmap. This is because Knative services are constantly watching the config-defaults configmap for changes. When a change is detected, the Knative service will automatically update its…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
1. What is Knative? Knative is an open-source platform that helps developers build, deploy, and manage serverless workloads on Kubernetes. 2. What are the benefits of using Knative? Knative makes it easier for developers to create and manage serverless applications. It also helps with scaling and managing resources. 3. How does Knative work? Knative uses…
git – A distributed version-control system for tracking changes in source code docker – A client to run the Linux containers kubectl – Knative minimum requires Kubernetes v1.15+; however, we recommend using v1.24.0. helm – Helps you define, install, and upgrade even the most complex Kubernetes applications: stern – Allows you to tail multiple pods…
Routing and managing traffic by using the Knative CLI You can use the following kn CLI command to split traffic between revisions: $ kn service update –traffic = For example, to split traffic for a Service named example, by sending 80% of traffic to the Revision green and 20% of traffic to the Revision blue,…
You can manage traffic routing to different Revisions of a Knative Service by modifying the traffic spec of the Service resource. Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra,…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
The metadata section includes the name and namespace of the service, as well as annotations that specify the creator of the service and its visibility. The spec section includes the template for the service, which specifies the container image, environment variables, liveness and readiness probes, resources, and volume mounts. The traffic section specifies the traffic…
“kservice” is likely a shorthand or abbreviated term for Knative Service, which is a building block of the Knative Serving platform for deploying and running serverless applications on Kubernetes. A Knative Service is essentially a Kubernetes Deployment with some additional configuration and capabilities. When you create a Knative Service, you specify a container image to…
native Domain Mapping is a feature of Knative that allows you to map custom domains to Knative Services. With Domain Mapping, you can use your own domain name, such as example.com, to access a Knative Service, rather than the default domain name provided by Knative, such as example.default.example.com. To use Domain Mapping, you need to…
Here is a step-by-step workflow for Knative Serving: Overall, the workflow for Knative Serving involves developing and packaging your application, defining a Knative Service configuration, deploying your Service to Kubernetes, accessing your Service over the internet, and using advanced traffic management features to manage your application at scale. Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about…
Here is a step-by-step workflow for Knative Eventing: Overall, the workflow for Knative Eventing involves defining an Event Source, creating a Trigger to route events to your target, deploying your target, monitoring and troubleshooting your event flows, and using advanced scaling and traffic management features to manage your application at scale. Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud…
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand. Do you want…
Install func in Linux? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at…