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mumoshu committed Aug 17, 2021
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`kubearray` helps you hot-swap Kubernetes clusters while keeping your microservices up and running.

The author thought that hot-swapping a cluster while keeping your apps running looks like hot-swaping a drive while keeping a server running.

We tend to call a cluster of storages where each storage drive can be hot-swapped a "storage array", hence calling a tool to build a cluster of clusters where each cluster can be hot-swapped "kubearray".

## Goals

`kubearray` eases managing ephemeral Kubernetes clusters.
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`check.status.lastPassed` becemes `true` when and only when the last check passed. `lastRunTime` contains the time when the last check ran.

`status.observedHash=somehash` equals to the value in `analysis-hash: somehash` after sync. You can leverage this to make sure that the last check was run with the latest query.

## Why is it named "kubearray"?

The author thought that hot-swapping a cluster while keeping your apps running looks like hot-swaping a drive while keeping a server running.

We tend to call a cluster of storages where each storage drive can be hot-swapped a "storage array", hence calling a tool to build a cluster of clusters where each cluster can be hot-swapped "kubearray" seemed like a good idea.

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