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Node feature discovery for Kubernetes
8b4314bbbb
Implement a framework for more flexible rule configuration and matching, mimicking the MatchExpressions pattern from K8s nodeselector. The basic building block is MatchExpression which contains an operator and a list of values. The operator specifies that "function" that is applied when evaluating a given input agains the list of values. Available operators are: - MatchIn - MatchNotIn - MatchInRegexp - MatchExists - MatchDoesNotExist - MatchGt - MatchLt - MatchIsTrue - MatchIsFalse Another building block of the framework is MatchExpressionSet which is a map of string-MatchExpression pairs. It is a helper for specifying multiple expressions that can be matched against a set of set of features. This patch converts all existing custom rules to utilize the new expression-based framework. |
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Node Feature Discovery
Welcome to Node Feature Discovery – a Kubernetes add-on for detecting hardware features and system configuration!
See our Documentation for detailed instructions and reference
Quick-start – the short-short version
$ kubectl apply -k https://github.com/kubernetes-sigs/node-feature-discovery/deployment/overlays/default?ref=v0.9.0
namespace/node-feature-discovery created
serviceaccount/nfd-master created
clusterrole.rbac.authorization.k8s.io/nfd-master created
clusterrolebinding.rbac.authorization.k8s.io/nfd-master created
configmap/nfd-worker-conf created
service/nfd-master created
deployment.apps/nfd-master created
daemonset.apps/nfd-worker created
$ kubectl -n node-feature-discovery get all
NAME READY STATUS RESTARTS AGE
pod/nfd-master-555458dbbc-sxg6w 1/1 Running 0 56s
pod/nfd-worker-mjg9f 1/1 Running 0 17s
...
$ kubectl get no -o json | jq .items[].metadata.labels
{
"beta.kubernetes.io/arch": "amd64",
"beta.kubernetes.io/os": "linux",
"feature.node.kubernetes.io/cpu-cpuid.ADX": "true",
"feature.node.kubernetes.io/cpu-cpuid.AESNI": "true",
...