sveltos-manager
demos
| sveltos-manager | demos | |
|---|---|---|
| 2 | 7 | |
| 57 | 3 | |
| - | - | |
| 10.0 | 6.0 | |
| about 1 year ago | 4 months ago | |
| Go | ||
| Apache License 2.0 | - |
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sveltos-manager
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5-Step Approach: Projectsveltos for Kubernetes add-on deployment and management on RKE2
To allow Sveltos to deploy and manage Kubernetes add-ons, the concept of ClusterProfile and cluster labelling comes into play. ClusterProfile is the CustomerResourceDefinition used to instruct Sveltos which add-ons to deploy on a set of clusters.
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Dynamic Customization of Kubernetes add-ons using Sveltos: Runtime Data Generation
Open a bug/feature enhancement on github contributions welcome Chat with us on the Slack in the #projectsveltos channel Slack
demos
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Simplifying Kubernetes Cluster Management with Claudie and Sveltos
can be found here.
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Collect logs and Kubernetes resources when Pod is in crashloopbackoff state
The ConfigMap referenced by EventBasedAddOn instance contains all resources that will be deployed in each cluster where a Pod in crashing state is found. In this case:
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Send Slack Notification when Pod is in crashloopbackoff state
All YAMLs used in this example can be found here
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Multi-tenancy with ProjectSveltos
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Projectsveltos: Manage Kubernetes addons in multiple clusters
https://github.com/projectsveltos/sveltosctl#display-outcome...
But I was still not happy. Main reason, users still had to go and manage cluster labels. I wanted clusters' labels to change as cluster runtime state was changing. So I can express my intent and then forget about it.
So I introduced a second concept in Sveltos. Classifier CRD (https://github.com/projectsveltos/demos/blob/main/classifier...) which allows users to classify clusters based on cluster runtime state (currently kubernetes version and/or resources deployed, but I am working on adding more).
Doing so I can easily now say:
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Upgrading Kubernetes addons automatically as cluster runtime state changes
1) I wanted a controller running in the management cluster, so I can express my intent and as clusters come and go or change their runtime state, controller can make sure my intent is applied. For instance, combing Classifier and ClusterProfile I can say things like, in any cluster running kubernetes version v1.24.x install calico v3.23 and in any cluster running kubernetes version v1.25.x install calico v3.24. as clusters are created/upgraded, sveltos makes sure my intent is deployed (https://github.com/projectsveltos/demos/blob/main/classifier/classifier.gif)
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Deploy Kubernetes add ons in ClusterAPI powered cluster
So a second concept was introduced in Sveltos: Classifier CRD (https://github.com/projectsveltos/demos/blob/main/classifier/classifier.gif) which allows users to classify clusters based on cluster runtime state (currently Kubernetes version and/or resources deployed, but I am working on adding more).
What are some alternatives?
argo-cd - Declarative Continuous Deployment for Kubernetes
addon-controller - Sveltos Kubernetes add-on controller programmatically deploys add-ons and applications in tens of clusters. Support for ClusterAPI powered clusters, Helm charts, kustomize ,YAMLs. Sveltos has built-in support for multi-tenancy.
gcs-storage-operator - Create Storage Bucket
sveltos-agent - Classify cluster and report back to management cluster. Evaluates cluster health based on custom health checks. Watches for events and reports those to management cluster.
k8s_collector - A Kubernetes Job to collect resources, logs and events
classifier - Sveltos Classifier dynamically classify a cluster based on run time information (Kubernetes version, deployed resources and more)
kind - Kubernetes IN Docker - local clusters for testing Kubernetes
cluster-api - Home for Cluster API, a subproject of sig-cluster-lifecycle
Kyverno - Kubernetes Native Policy Management
claudie-sveltos-integration - This repository aims to streamline the integration between Claudie and Sveltos. It incorporates a controller that monitors Claudie's Secrets for kubeconfig files of Claudie-managed clusters and automatically creates corresponding SveltosCluster resources.