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openyurtio/node-resource-manager
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Node-resource-manager manages local node resources of OpenYurt cluster in a unified manner.
It currently manages:
- LVM built on top of block device or pmem device.
- QuotaPath built on top of block device or pmem device.
- Memory built on top of pmem device.
The majority function consists of:
- Initialize local resources on edge node.
- Update local resources on edge node.
You can define the spec of local resources by simply modifying the pre-defined ConfigMap.
Node-resource-manager has the following advantages in terms of compatibility and usability.
- Easily to use. Initialization and modification of local resources are easily done by editing the ConfigMap.
- Easily to integrate. Node-resource-manager can work together with csi driver, to perform local storage lifecycle management.
- Platform free. Node-resource-manager can be running in any kubernetes clusters.
Architecture
The component consists of two parts, the first part is the ConfigMap named node-resource-topo in kube-system namespace, and the second is the node-resource-manager DaemonSet deployed in kube-system namespace. Node-resource-manager on each node mounts and reads the node-resource-topo ConfigMap to managed local resources.
<div align="center"> <img src="docs/images/node-resource-manager.png" width=70% title="node-resource-manager architecture"> </div>Getting started
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Create node-resource-topo ConfigMap in kube-system namespace. ConfigMap example is in configmap.md.
kubectl apply -f deploy/configmap.yaml -
Deploy node-resource-manager DaemonSet.
kubectl apply -f deploy/nrm.yaml
Developer guide
Please refer to developer-guide.md for developing and building the project.