Hdfs Helm Chart

Hdfs
Analyzed version: 1.0.1

By rcreate

The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models.

Prometheus, a CNCF project, is a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true.

This chart bootstraps a Prometheus deployment on a Kubernetes cluster using the Helm package manager.

Latest version: 15.5.3
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How to Install the Hdfs Helm Chart

Add Chart Repository to Helm

helm repo add dmwm-bigdata https://mehrwertmacher.github.io/bigdata-charts

Install Chart

helm install my-hdfs dmwm-bigdata/hdfs --version 1.0.1

Does the Hdfs chart contain security gaps?

The chart meets the best practices recommended by the industry.

The chart contains 8 misconfigurations.

The chart meets the best practices recommended by the industry. Find the full list of best practices here.

❌ Ensure each container has a configured CPU request

1 occurrences:

  • metadata.name: release-name-canary (kind: Pod)

💡 Missing property object `requests.cpu` - value should be within the accepted boundaries recommended by the organization

Learn how to fix the issue here

❌ Ensure each container has a configured memory limit

1 occurrences:

  • metadata.name: release-name-canary (kind: Pod)

💡 Missing property object `limits.memory` - value should be within the accepted boundaries recommended by the organization

Learn how to fix the issue here

❌ Ensure each container has a configured CPU limit

1 occurrences:

  • metadata.name: release-name-canary (kind: Pod)

💡 Missing property object `limits.cpu` - value should be within the accepted boundaries recommended by the organization

Learn how to fix the issue here

❌ Prevent deploying naked pods

1 occurrences:

  • metadata.name: release-name-canary (kind: Pod)

💡 Incorrect value for key `kind` - raw pod won't be rescheduled in the event of a node failure

Learn how to fix the issue here

❌ Prevent ConfigMap security vulnerability (CVE-2021-25742)

2 occurrences:

  • metadata.name: release-name-hdfs-hadoop (kind: ConfigMap)
  • metadata.name: release-name-hdfs-namenode-exporter (kind: ConfigMap)

💡 Missing property object `allow-snippet-annotations` - set it to "false" to override default behaviour

Learn how to fix the issue here

❌ Ensure each container has a configured liveness probe

3 occurrences:

  • metadata.name: release-name-hdfs-httpfs (kind: Deployment)
  • metadata.name: release-name-hdfs-namenode (kind: StatefulSet)
  • metadata.name: release-name-canary (kind: Pod)

💡 Missing property object `livenessProbe` - add a properly configured livenessProbe to catch possible deadlocks

Learn how to fix the issue here

❌ Ensure each container has a configured readiness probe

3 occurrences:

  • metadata.name: release-name-hdfs-httpfs (kind: Deployment)
  • metadata.name: release-name-hdfs-namenode (kind: StatefulSet)
  • metadata.name: release-name-canary (kind: Pod)

💡 Missing property object `readinessProbe` - add a properly configured readinessProbe to notify kubelet your Pods are ready for traffic

Learn how to fix the issue here

❌ Ensure each container has a configured memory request

1 occurrences:

  • metadata.name: release-name-canary (kind: Pod)

💡 Missing property object `requests.memory` - value should be within the accepted boundaries recommended by the organization

Learn how to fix the issue here

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