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- [Unit]
- Description=kubelet: The Kubernetes Node Agent
- Documentation=http://kubernetes.io/docs/
- [Service]
- ExecStart=/usr/bin/kubelet --runtime-cgroups=/systemd/system.slice --kubelet-cgroups=/systemd/system.slice
- Restart=always
- StartLimitInterval=0
- RestartSec=10
- [Install]
- WantedBy=multi-user.target
- cat << EOF > /etc/docker/daemon.json
- {
- "exec-opts": ["native.cgroupdriver=systemd"]
- }
- EOF
- $ kubectl get pods --all-namespaces
- NAMESPACE NAME READY STATUS RESTARTS AGE
- kube-system etcd-master 1/1 Running 0 39m
- kube-system kube-apiserver-master 1/1 Running 0 39m
- kube-system kube-controller-manager-master 1/1 Running 0 39m
- kube-system kube-dns-545bc4bfd4-mqqqk 3/3 Running 0 40m
- kube-system kube-flannel-ds-fclcs 1/1 Running 2 13m
- kube-system kube-flannel-ds-hqlnb 1/1 Running 0 39m
- kube-system kube-proxy-t7z5w 1/1 Running 0 40m
- kube-system kube-proxy-xdw42 1/1 Running 0 13m
- kube-system kube-scheduler-master 1/1 Running 0 39m
- $ kubectl version -o json | python -m json.tool
- {
- "clientVersion": {
- "buildDate": "2017-11-08T18:39:33Z",
- "compiler": "gc",
- "gitCommit": "f0efb3cb883751c5ffdbe6d515f3cb4fbe7b7acd",
- "gitTreeState": "clean",
- "gitVersion": "v1.8.3",
- "goVersion": "go1.8.3",
- "major": "1",
- "minor": "8",
- "platform": "linux/amd64"
- },
- "serverVersion": {
- "buildDate": "2017-11-08T18:27:48Z",
- "compiler": "gc",
- "gitCommit": "f0efb3cb883751c5ffdbe6d515f3cb4fbe7b7acd",
- "gitTreeState": "clean",
- "gitVersion": "v1.8.3",
- "goVersion": "go1.8.3",
- "major": "1",
- "minor": "8",
- "platform": "linux/amd64"
- }
- }
- $ kubectl describe node master
- Name: master
- Roles: master
- Labels: beta.kubernetes.io/arch=amd64
- beta.kubernetes.io/os=linux
- kubernetes.io/hostname=master
- node-role.kubernetes.io/master=
- Annotations: flannel.alpha.coreos.com/backend-data={"VtepMAC":"86:b6:7a:d6:7b:b3"}
- flannel.alpha.coreos.com/backend-type=vxlan
- flannel.alpha.coreos.com/kube-subnet-manager=true
- flannel.alpha.coreos.com/public-ip=10.0.2.15
- node.alpha.kubernetes.io/ttl=0
- volumes.kubernetes.io/controller-managed-attach-detach=true
- Taints: node-role.kubernetes.io/master:NoSchedule
- CreationTimestamp: Sun, 19 Nov 2017 22:27:17 +1100
- Conditions:
- Type Status LastHeartbeatTime LastTransitionTime Reason Message
- ---- ------ ----------------- ------------------ ------ -------
- OutOfDisk False Sun, 19 Nov 2017 23:04:56 +1100 Sun, 19 Nov 2017 22:27:13 +1100 KubeletHasSufficientDisk kubelet has sufficient disk space available
- MemoryPressure False Sun, 19 Nov 2017 23:04:56 +1100 Sun, 19 Nov 2017 22:27:13 +1100 KubeletHasSufficientMemory kubelet has sufficient memory available
- DiskPressure False Sun, 19 Nov 2017 23:04:56 +1100 Sun, 19 Nov 2017 22:27:13 +1100 KubeletHasNoDiskPressure kubelet has no disk pressure
- Ready True Sun, 19 Nov 2017 23:04:56 +1100 Sun, 19 Nov 2017 22:32:24 +1100 KubeletReady kubelet is posting ready status
- Addresses:
- InternalIP: 192.168.99.10
- Hostname: master
- Capacity:
- cpu: 1
- memory: 3881880Ki
- pods: 110
- Allocatable:
- cpu: 1
- memory: 3779480Ki
- pods: 110
- System Info:
- Machine ID: ca0a351004604dd49e43f8a6258ddd77
- System UUID: CA0A3510-0460-4DD4-9E43-F8A6258DDD77
- Boot ID: e9060efa-42be-498d-8cb8-8b785b51b247
- Kernel Version: 3.10.0-693.el7.x86_64
- OS Image: CentOS Linux 7 (Core)
- Operating System: linux
- Architecture: amd64
- Container Runtime Version: docker://1.12.6
- Kubelet Version: v1.8.3
- Kube-Proxy Version: v1.8.3
- PodCIDR: 10.244.0.0/24
- ExternalID: master
- Non-terminated Pods: (7 in total)
- Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits
- --------- ---- ------------ ---------- --------------- -------------
- kube-system etcd-master 0 (0%) 0 (0%) 0 (0%) 0 (0%)
- kube-system kube-apiserver-master 250m (25%) 0 (0%) 0 (0%) 0 (0%)
- kube-system kube-controller-manager-master 200m (20%) 0 (0%) 0 (0%) 0 (0%)
- kube-system kube-dns-545bc4bfd4-mqqqk 260m (26%) 0 (0%) 110Mi (2%) 170Mi (4%)
- kube-system kube-flannel-ds-hqlnb 0 (0%) 0 (0%) 0 (0%) 0 (0%)
- kube-system kube-proxy-t7z5w 0 (0%) 0 (0%) 0 (0%) 0 (0%)
- kube-system kube-scheduler-master 100m (10%) 0 (0%) 0 (0%) 0 (0%)
- Allocated resources:
- (Total limits may be over 100 percent, i.e., overcommitted.)
- CPU Requests CPU Limits Memory Requests Memory Limits
- ------------ ---------- --------------- -------------
- 810m (81%) 0 (0%) 110Mi (2%) 170Mi (4%)
- Events:
- Type Reason Age From Message
- ---- ------ ---- ---- -------
- Normal Starting 38m kubelet, master Starting kubelet.
- Normal NodeAllocatableEnforced 38m kubelet, master Updated Node Allocatable limit across pods
- Normal NodeHasSufficientDisk 37m (x8 over 38m) kubelet, master Node master status is now: NodeHasSufficientDisk
- Normal NodeHasSufficientMemory 37m (x8 over 38m) kubelet, master Node master status is now: NodeHasSufficientMemory
- Normal NodeHasNoDiskPressure 37m (x7 over 38m) kubelet, master Node master status is now: NodeHasNoDiskPressure
- Normal Starting 37m kube-proxy, master Starting kube-proxy.
- Normal Starting 32m kubelet, master Starting kubelet.
- Normal NodeAllocatableEnforced 32m kubelet, master Updated Node Allocatable limit across pods
- Normal NodeHasSufficientDisk 32m kubelet, master Node master status is now: NodeHasSufficientDisk
- Normal NodeHasSufficientMemory 32m kubelet, master Node master status is now: NodeHasSufficientMemory
- Normal NodeHasNoDiskPressure 32m kubelet, master Node master status is now: NodeHasNoDiskPressure
- Normal NodeNotReady 32m kubelet, master Node master status is now: NodeNotReady
- Normal NodeReady 32m kubelet, master Node master status is now: NodeReady
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