Difference between revisions of "Kubelet"
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The [[Container Network Interface (CNI)]] plugin is selected by passing <code>[[kubelet]]</code> the <code>--network-plugin=cni</code> | The [[Container Network Interface (CNI)]] plugin is selected by passing <code>[[kubelet]]</code> the <code>--network-plugin=cni</code> | ||
| − | == Logs == | + | == [[Kubelete logs|Logs]] == |
[kubelet-check] The HTTP call equal to 'curl -sSL http://localhost:10248/healthz' failed with error: Get http://localhost:10248/healthz: dial tcp 127.0.0.1:10248: connect: [[connection refused]]. | [kubelet-check] The HTTP call equal to 'curl -sSL http://localhost:10248/healthz' failed with error: Get http://localhost:10248/healthz: dial tcp 127.0.0.1:10248: connect: [[connection refused]]. | ||
Revision as of 15:43, 2 January 2023
kubelet process in Kubernetes is responsible for running containers on the node
- Configuration:
/etc/kubernetes/kubelet.conf - Logs:
- Port:
kubeletlisten on port 10250
- Installation Ubuntu:
snap install kubelet --classic(snap stop kubelet.daemonorsnap start kubelet.daemon)
Commands
systemctl start snap.kubelet.daemon.service systemctl stop snap.kubelet.daemon.service
snap start kubelet.daemon Started. systemctl status snap.kubelet.daemon.service
Networking
The Container Network Interface (CNI) plugin is selected by passing kubelet the --network-plugin=cni
Logs
[kubelet-check] The HTTP call equal to 'curl -sSL http://localhost:10248/healthz' failed with error: Get http://localhost:10248/healthz: dial tcp 127.0.0.1:10248: connect: connection refused.
E1122 21:44:49.860990 2153 remote_runtime.go:334] "ContainerStatus from runtime service failed" err="rpc error: code = DeadlineExceeded desc = context deadline exceeded" containerID="54f47d9bd75961b31d996d3e1d01d366467750e8b2d9b21af2f528ed2eead846"
NodeHasDiskPressureEvictionThresholdMetNodeHasInsufficientMemory- rebooted
- Started: Started container
Related terms
- Liveness probe: (
livenessProbe) - Readiness probe: (
readinessProbe) systemctl stop snap.kubelet.daemon.servicekubectl describe pods | grep Unhealthy- Kubelet Container Runtime Interface (CRI)
systemctl status kubeletgcloud logging read projects/yourproject/logs/kubelet- Kubernetes controller manager
Conditions:kubelet is posting ready status. AppArmor enabled--kubelet-insecure-tlsMemoryPressure- kubectl get events Starting kubelet
cloud-node-lifecycle-controller
Activities
News
- 05/2022 Kubernetes 1.24:
dockershimremoved fromkubelet
See also
kubelet, Pod Lifecycle Event Generator (PLEG), Kubelet conditions,/etc/kubernetes/kubelet.conf, /var/log/kubelet.log, Kubelet Container Runtime Interface (CRI),crictl,context deadline exceeded, E1122, E1124, Starting kubelet, NodeHasDiskPressure, NodeHasInsufficientMemory, rebooted, Node-pressure Eviction, Kubelet logs,manager: kubelet- Kubernetes Components,
kube-proxy, kube-scheduler, kube-apiserver, kubelet, kubectl, kubeadm, Kubernetes controller manager, Kubernetes controllers, Kubernetes Addons, Kubernetes Topology Manager
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