Centralized Logging for Kafka on Kubernetes With Grafana, Loki and Promtail

If there are multiple zookeeper and Kafka pods, a single window would be a boon for administrators. Grafana provides Loki and Promtail this functionality.

Introduction

In one of my another articles, I discussed how to set up strimzi (also known as Kafka on Kubernetes) on minikube. Also, we discussed how to set up Grafana and Prometheus to fetch metrics from Kafka and zookeeper instances. But wouldn’t it have been more helpful and more administrator-friendly if Grafana could also be used to monitor logs of all the pods? If there are multiple zookeeper and Kafka pods, a single window would certainly be a boon for administrators and management.

Grafana provides Loki and Promtail a functionality to aggregate logs and view them from the same Grafana UI.

I have tested this in Fedora 33, minikube version: v1.15.1.

#kubernetes #kafka #grafana #minikube #strimzi

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Centralized Logging for Kafka on Kubernetes With Grafana, Loki and Promtail
Christa  Stehr

Christa Stehr

1602964260

50+ Useful Kubernetes Tools for 2020 - Part 2

Introduction

Last year, we provided a list of Kubernetes tools that proved so popular we have decided to curate another list of some useful additions for working with the platform—among which are many tools that we personally use here at Caylent. Check out the original tools list here in case you missed it.

According to a recent survey done by Stackrox, the dominance Kubernetes enjoys in the market continues to be reinforced, with 86% of respondents using it for container orchestration.

(State of Kubernetes and Container Security, 2020)

And as you can see below, more and more companies are jumping into containerization for their apps. If you’re among them, here are some tools to aid you going forward as Kubernetes continues its rapid growth.

(State of Kubernetes and Container Security, 2020)

#blog #tools #amazon elastic kubernetes service #application security #aws kms #botkube #caylent #cli #container monitoring #container orchestration tools #container security #containers #continuous delivery #continuous deployment #continuous integration #contour #developers #development #developments #draft #eksctl #firewall #gcp #github #harbor #helm #helm charts #helm-2to3 #helm-aws-secret-plugin #helm-docs #helm-operator-get-started #helm-secrets #iam #json #k-rail #k3s #k3sup #k8s #keel.sh #keycloak #kiali #kiam #klum #knative #krew #ksniff #kube #kube-prod-runtime #kube-ps1 #kube-scan #kube-state-metrics #kube2iam #kubeapps #kubebuilder #kubeconfig #kubectl #kubectl-aws-secrets #kubefwd #kubernetes #kubernetes command line tool #kubernetes configuration #kubernetes deployment #kubernetes in development #kubernetes in production #kubernetes ingress #kubernetes interfaces #kubernetes monitoring #kubernetes networking #kubernetes observability #kubernetes plugins #kubernetes secrets #kubernetes security #kubernetes security best practices #kubernetes security vendors #kubernetes service discovery #kubernetic #kubesec #kubeterminal #kubeval #kudo #kuma #microsoft azure key vault #mozilla sops #octant #octarine #open source #palo alto kubernetes security #permission-manager #pgp #rafay #rakess #rancher #rook #secrets operations #serverless function #service mesh #shell-operator #snyk #snyk container #sonobuoy #strongdm #tcpdump #tenkai #testing #tigera #tilt #vert.x #wireshark #yaml

Centralized Logging for Kafka on Kubernetes With Grafana, Loki and Promtail

If there are multiple zookeeper and Kafka pods, a single window would be a boon for administrators. Grafana provides Loki and Promtail this functionality.

Introduction

In one of my another articles, I discussed how to set up strimzi (also known as Kafka on Kubernetes) on minikube. Also, we discussed how to set up Grafana and Prometheus to fetch metrics from Kafka and zookeeper instances. But wouldn’t it have been more helpful and more administrator-friendly if Grafana could also be used to monitor logs of all the pods? If there are multiple zookeeper and Kafka pods, a single window would certainly be a boon for administrators and management.

Grafana provides Loki and Promtail a functionality to aggregate logs and view them from the same Grafana UI.

I have tested this in Fedora 33, minikube version: v1.15.1.

#kubernetes #kafka #grafana #minikube #strimzi

Maud  Rosenbaum

Maud Rosenbaum

1601051854

Kubernetes in the Cloud: Strategies for Effective Multi Cloud Implementations

Kubernetes is a highly popular container orchestration platform. Multi cloud is a strategy that leverages cloud resources from multiple vendors. Multi cloud strategies have become popular because they help prevent vendor lock-in and enable you to leverage a wide variety of cloud resources. However, multi cloud ecosystems are notoriously difficult to configure and maintain.

This article explains how you can leverage Kubernetes to reduce multi cloud complexities and improve stability, scalability, and velocity.

Kubernetes: Your Multi Cloud Strategy

Maintaining standardized application deployments becomes more challenging as your number of applications and the technologies they are based on increase. As environments, operating systems, and dependencies differ, management and operations require more effort and extensive documentation.

In the past, teams tried to get around these difficulties by creating isolated projects in the data center. Each project, including its configurations and requirements were managed independently. This required accurately predicting performance and the number of users before deployment and taking down applications to update operating systems or applications. There were many chances for error.

Kubernetes can provide an alternative to the old method, enabling teams to deploy applications independent of the environment in containers. This eliminates the need to create resource partitions and enables teams to operate infrastructure as a unified whole.

In particular, Kubernetes makes it easier to deploy a multi cloud strategy since it enables you to abstract away service differences. With Kubernetes deployments you can work from a consistent platform and optimize services and applications according to your business needs.

The Compelling Attributes of Multi Cloud Kubernetes

Multi cloud Kubernetes can provide multiple benefits beyond a single cloud deployment. Below are some of the most notable advantages.

Stability

In addition to the built-in scalability, fault tolerance, and auto-healing features of Kubernetes, multi cloud deployments can provide service redundancy. For example, you can mirror applications or split microservices across vendors. This reduces the risk of a vendor-related outage and enables you to create failovers.

#kubernetes #multicloud-strategy #kubernetes-cluster #kubernetes-top-story #kubernetes-cluster-install #kubernetes-explained #kubernetes-infrastructure #cloud

Grafana and Prometheus Setup With Strimzi, a.k.a. Kafka on Kubernetes

A software developer gives a quick tutorial on how to use Strimzi to integrate Prometheus into a Java-based application. Read on to learn more!

In this article, we will see how quickly we can setup Grafana and Prometheus with Strimzi. So let us quickly go through the steps required for this setup.

#kubernetes #kafka #grafana #prometheus #strimzi

Logging in Kubernetes with Loki and the PLG Stack

Loki is a new log aggregation system from Grafana Labs. It is designed to be cost-effective and easy to operate. In this article, you learn more about Loki and how to use the PLG Stack (Promtail, Loki, Grafana) for logging in Kubernetes.

What is Loki?

Loki is an open-source, multi-tenant log aggregation system. It can be used with Grafana and Promtrail to collect and access logs, similar to the ELK/EFK stack. While one can use Kibana and Elasticsearch to make advanced data analysis and visualizations, the Loki-based logging stack focuses on being light-weight and easy to operate.

Loki provides a query language called LogQL, which allows users to query logs. It is inspired by Prometheus’ PromQL and can be considered to be a distributed “grep” that aggregates log sources.

One of the main differences to conventional logging systems is that Loki indexes just the metadata rather than the logs’ whole contents. Therefore, the index becomes smaller, which reduces memory consumption and ultimately lowers costs. One drawback of this design is that queries might be less performant than having everything indexed and loaded in memory.

Logs are stored directly in cloud storage such as Amazon S3 or GCS without the need of having to store files on-disk. This simplifies operations and avoids issues such as running out of disk space.

#logging #loki #kubernetes