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Kubernetes HA Cluster Production Installation
Design Issues
DI 20190225-1: RKE/Docker version pair
As of 20190215 RKE 0.16 supports Docker 18.06-ce (and 18.09 non-ce) (up from 0.15 supporting 17.03)
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ubuntu@a-rke:~$ sudo rke up INFO[0000] Building Kubernetes cluster INFO[0000] [dialer] Setup tunnel for host [rke.onap.cloud] FATA[0000] Unsupported Docker version found [18.06.3-ce], supported versions are [1.11.x 1.12.x 1.13.x 17.03.x] |
DI 20190225-2: RKE upgrade from 0.15 to 0.16
Do rke remove, regenerate the yaml (or hand upgrade the versions) then rke up
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ubuntu@a-rke:~$ sudo rke remove
Are you sure you want to remove Kubernetes cluster [y/n]: y
INFO[0002] Tearing down Kubernetes cluster
INFO[0002] [dialer] Setup tunnel for host [rke.onap.cloud]
INFO[0002] [worker] Tearing down Worker Plane..
INFO[0002] [remove/kubelet] Successfully removed container on host [rke.onap.cloud]
INFO[0003] [remove/kube-proxy] Successfully removed container on host [rke.onap.cloud]
INFO[0003] [remove/service-sidekick] Successfully removed container on host [rke.onap.cloud]
INFO[0003] [worker] Successfully tore down Worker Plane..
INFO[0003] [controlplane] Tearing down the Controller Plane..
INFO[0003] [remove/kube-apiserver] Successfully removed container on host [rke.onap.cloud]
INFO[0003] [remove/kube-controller-manager] Successfully removed container on host [rke.onap.cloud]
INFO[0004] [remove/kube-scheduler] Successfully removed container on host [rke.onap.cloud]
INFO[0004] [controlplane] Host [rke.onap.cloud] is already a worker host, skipping delete kubelet and kubeproxy.
INFO[0004] [controlplane] Successfully tore down Controller Plane..
INFO[0004] [etcd] Tearing down etcd plane..
INFO[0004] [remove/etcd] Successfully removed container on host [rke.onap.cloud]
INFO[0004] [etcd] Successfully tore down etcd plane..
INFO[0004] [hosts] Cleaning up host [rke.onap.cloud]
INFO[0004] [hosts] Cleaning up host [rke.onap.cloud]
INFO[0004] [hosts] Running cleaner container on host [rke.onap.cloud]
INFO[0005] [kube-cleaner] Successfully started [kube-cleaner] container on host [rke.onap.cloud]
INFO[0005] [hosts] Removing cleaner container on host [rke.onap.cloud]
INFO[0005] [hosts] Removing dead container logs on host [rke.onap.cloud]
INFO[0006] [cleanup] Successfully started [rke-log-cleaner] container on host [rke.onap.cloud]
INFO[0006] [remove/rke-log-cleaner] Successfully removed container on host [rke.onap.cloud]
INFO[0006] [hosts] Successfully cleaned up host [rke.onap.cloud]
INFO[0006] [hosts] Cleaning up host [rke.onap.cloud]
INFO[0006] [hosts] Cleaning up host [rke.onap.cloud]
INFO[0006] [hosts] Running cleaner container on host [rke.onap.cloud]
INFO[0007] [kube-cleaner] Successfully started [kube-cleaner] container on host [rke.onap.cloud]
INFO[0008] [hosts] Removing cleaner container on host [rke.onap.cloud]
INFO[0008] [hosts] Removing dead container logs on host [rke.onap.cloud]
INFO[0008] [cleanup] Successfully started [rke-log-cleaner] container on host [rke.onap.cloud]
INFO[0009] [remove/rke-log-cleaner] Successfully removed container on host [rke.onap.cloud]
INFO[0009] [hosts] Successfully cleaned up host [rke.onap.cloud]
INFO[0009] [hosts] Cleaning up host [rke.onap.cloud]
INFO[0009] [hosts] Cleaning up host [rke.onap.cloud]
INFO[0009] [hosts] Running cleaner container on host [rke.onap.cloud]
INFO[0010] [kube-cleaner] Successfully started [kube-cleaner] container on host [rke.onap.cloud]
INFO[0010] [hosts] Removing cleaner container on host [rke.onap.cloud]
INFO[0010] [hosts] Removing dead container logs on host [rke.onap.cloud]
INFO[0011] [cleanup] Successfully started [rke-log-cleaner] container on host [rke.onap.cloud]
INFO[0011] [remove/rke-log-cleaner] Successfully removed container on host [rke.onap.cloud]
INFO[0011] [hosts] Successfully cleaned up host [rke.onap.cloud]
INFO[0011] Removing local admin Kubeconfig: ./kube_config_cluster.yml
INFO[0011] Local admin Kubeconfig removed successfully
INFO[0011] Cluster removed successfully |
Notes
Pre-RKE installation details in Cloud Native Deployment
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