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79 строки
4.7 KiB
Plaintext
79 строки
4.7 KiB
Plaintext
cluster upgrade:
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https://github.com/kubernetes/features/issues/296
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https://github.com/kubernetes/community/pull/825
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https://github.com/kubernetes/kubernetes/pull/48899
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https://kubernetes.io/docs/tasks/administer-cluster/kubeadm-upgrade-1-7/
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/usr/bin/kubelet
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--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf
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--kubeconfig=/etc/kubernetes/kubelet.conf
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--pod-manifest-path=/etc/kubernetes/manifests
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--allow-privileged=true
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--network-plugin=cni
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--cni-conf-dir=/etc/cni/net.d
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--cni-bin-dir=/opt/cni/bin
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--cluster-dns=10.96.0.10
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--cluster-domain=cluster.local
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--authorization-mode=Webhook
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--client-ca-file=/etc/kubernetes/pki/ca.crt
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--cadvisor-port=0
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--rotate-certificates=true
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--cert-dir=/var/lib/kubelet/pki
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https://github.com/kubernetes/kubeadm/issues/1023
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systemctl cat kubelet.service
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/usr/lib/systemd/system/kubelet.service
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### /lib/systemd/system/kubelet.service
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/etc/systemd/system/kubelet.service.d/10-kubeadmin.conf
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kubernetes-1.12.0/build/rpms/10-kubeadm.conf
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kubernetes-1.12.0/build/debs/10-kubeadm.conf
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# Note: This dropin only works with kubeadm and kubelet v1.11+
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[Service]
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Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"
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Environment="KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml"
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# This is a file that "kubeadm init" and "kubeadm join" generates at runtime, populating the KUBELET_KUBEADM_ARGS variable dynamically
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EnvironmentFile=-/var/lib/kubelet/kubeadm-flags.env
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# This is a file that the user can use for overrides of the kubelet args as a last resort. Preferably, the user should use
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# the .NodeRegistration.KubeletExtraArgs object in the configuration files instead. KUBELET_EXTRA_ARGS should be sourced from this file.
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EnvironmentFile=-/etc/default/kubelet
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ExecStart=
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ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS
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/usr/bin/kubelet --kubeconfig=/etc/kubernetes/kubelet.conf --config=/var/lib/kubelet/config.yaml
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E1003 17:04:19.238747 5335 reflector.go:134] k8s.io/kubernetes/pkg/kubelet/config/apiserver.go:47: Failed to list *v1.Pod: Get https://10.0.3.15:6443/api/v1/pods?fieldSelector=spec.nodeName%3Dihmo&limit=500&resourceVersion=0: dial tcp 10.0.3.15:6443: connect: connection refused
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E1003 17:04:19.239582 5335 reflector.go:134] k8s.io/kubernetes/pkg/kubelet/kubelet.go:442: Failed to list *v1.Service: Get https://10.0.3.15:6443/api/v1/services?limit=500&resourceVersion=0: dial tcp 10.0.3.15:6443: connect: connection refused
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E1003 17:04:19.241042 5335 reflector.go:134] k8s.io/kubernetes/pkg/kubelet/kubelet.go:451: Failed to list *v1.Node: Get https://10.0.3.15:6443/api/v1/nodes?fieldSelector=metadata.name%3Dihmo&limit=500&resourceVersion=0: dial tcp 10.0.3.15:6443: connect: connection refused
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E1003 17:04:19.272990 5335 kubelet.go:2236] node "ihmo" not found
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# /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
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[Service]
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Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"
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Environment="KUBELET_SYSTEM_PODS_ARGS=--pod-manifest-path=/etc/kubernetes/manifests --allow-privileged=true"
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Environment="KUBELET_NETWORK_ARGS=--network-plugin=cni --cni-conf-dir=/etc/cni/net.d --cni-bin-dir=/opt/cni/bin"
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Environment="KUBELET_DNS_ARGS=--cluster-dns=10.96.0.10 --cluster-domain=cluster.local"
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Environment="KUBELET_AUTHZ_ARGS=--authorization-mode=Webhook --client-ca-file=/etc/kubernetes/pki/ca.crt"
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Environment="KUBELET_CADVISOR_ARGS=--cadvisor-port=0"
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Environment="KUBELET_CERTIFICATE_ARGS=--rotate-certificates=true --cert-dir=/var/lib/kubelet/pki"
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ExecStart=
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ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_SYSTEM_PODS_ARGS $KUBELET_NETWORK_ARGS $KUBELET_DNS_ARGS $KUBELET_AUTHZ_ARGS $KUBELET_CADVISOR_ARGS $KUBELET_CERTIFICATE_ARGS $KUBELET_EXTRA_ARGS
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sudo systemctl enable docker.service
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sudo systemctl enable kubelet.service
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[preflight] Running pre-flight checks.
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[WARNING SystemVerification]: docker version is greater than the most recently validated version. Docker version: 18.06.1-ce. Max validated version: 17.03
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[WARNING Hostname]: hostname "ihmo" could not be reached
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[WARNING Hostname]: hostname "ihmo" lookup ihmo on 10.9.192.3:53: server misbehaving
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[WARNING FileExisting-crictl]: crictl not found in system path
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Suggestion: go get github.com/kubernetes-incubator/cri-tools/cmd/crictl
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