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Node Health Checks. Starring Async/Await

WebNode Health Checks. Cloud Foundry (CF) has a concept of health checks. These can take a few forms, but the preferred approach is HTTP (vs port- or process …

Actived: 9 days ago

URL: https://itnext.io/node-health-checks-b25a6c62d990

Health Check Response Format for HTTP APIs

WebAt its simplest, the response is a JSON object with a mandatory status property: Values can be: pass for healthy status. The value can also be ok (for NodeJS) …

Category:  Health Go Health

Kubernetes: Liveness and Readiness Probes — Best practices

WebstartupProbe: is used by Kubernetes to know when a container has started and is ready to perform checks with livenessProbe and readinessProbe. livenessProbe …

Category:  Health Go Health

Health checks for Kafka Streams application on Kubernetes

WebHealth check endpoint for the probe. Kubernetes supports HTTP endpoints, TCP socket and arbitrary command execution as health check probes. For our Kafka …

Category:  Health Go Health

Kubernetes Readiness Probes — Examples & Common Pitfalls

WebKubernetes runs readiness probes to understand when it can send traffic to a pod, i.e., to transition the pod to Ready state. For example, if a pod is used as a backend …

Category:  Health Go Health

Auto-Heal Azure VM Scale Set Instances

WebLimitations. Grace Period — Whenever a scale set is modified (adding nodes, modifying the configuration), the auto-healing process enters a grace period of a …

Category:  Health Go Health

How to access your app behind an OpenShift Router

WebOpenSSL is usually available on Linux or Mac. It can be used to open a TLS connection, print the certificate and send HTTP commands manually: $ openssl s_client …

Category:  Health Go Health

Autoscaling Kubernetes apps with Prometheus and KEDA

WebScalability is a key requirement for cloud native applications. With Kubernetes, scaling your application is as simple as increasing the number of replicas for …

Category:  Health Go Health

ArgoCD: users, access, and RBAC

WebArgoCD has two types of users — local, that are set in the argocd-cm ConfigMap, and SSO.. Below, we will speak about local user management, and in the …

Category:  Health Go Health

How to write a clean API. Best Practices for REST API or

WebKey Requirements for a clean API. Be simple (Flat is better than nested.) Be consistent (Standardize the style before you start) Be secure (Enforce HTTPS and …

Category:  Health Go Health

Monitoring Distributed Jetty Servers in K8s using Prometheus and

WebOne the Prometheus source is in place we can create a dashboard for our Jetty service. Click ‘‘Create button’’ and select “Dashboard” menu item. Now select …

Category:  Health Go Health

Kubernetes Ugly Commands: Fetch Ingress Object Health in …

WebUgly Command Name: Fetch Ingress Object Health in Namespace What does it do? Looks through every Ingress object in a namespace and: Checks if it has a …

Category:  Health Go Health

Kubernetes monitoring with Prometheus in 15 minutes

WebKubernetes monitoring with Prometheus in 15 minutes. If you have not heard of Kubernetes (or its commonly known name K8s), it’s time to get out of your cave. K8s …

Category:  Health Go Health

How to tackle the cold start problem of Azure Function

WebLive metric stream of function execution with a steady 1-minute interval. P.S. The initial idea came to me after observing the behavior of our Azure Load balancer …

Category:  Health Go Health

Using the Azure Application gateway WAF with Istio-2

WebNot a typical AKS (Azure Kubernetes servic AGIC config with Istio. You can avoid using the Application Gateway Ingress controller and instead use the Istio Ingress …

Category:  Health Go Health

Istio: external AWS Application LoadBalancer and Istio Ingress

WebIn the previous post, Istio: an overview and running Service Mesh in Kubernetes, we started Istion io AWS Elastic Kubernetes Service and got an overview of …

Category:  Health Go Health

Guide: Nutanix CE 2.0 Three-Node Cluster on Bare Metal

WebInstalling Nutanix CE 2.0. Login to your iDRAC using a web browser, power on the server, and launch the virtual console. Press F11 to Enter the Boot Manager. Select …

Category:  Health Go Health

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