diff options
author | Christian Pointner <equinox@spreadspace.org> | 2021-02-07 00:47:09 +0100 |
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committer | Christian Pointner <equinox@spreadspace.org> | 2021-02-07 00:47:09 +0100 |
commit | 9eb937a5ceb95c6c5241ed10e57b566a58f002b7 (patch) | |
tree | 3b11549681098fbedace66d3eeebd905ee3604dc /roles/kubernetes/kubeadm | |
parent | increase root disks size for ch-(calypso|telesto|k8s-master) (diff) |
add simple kubernetes cluster upgrade doc
Diffstat (limited to 'roles/kubernetes/kubeadm')
-rw-r--r-- | roles/kubernetes/kubeadm/upgrade | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/roles/kubernetes/kubeadm/upgrade b/roles/kubernetes/kubeadm/upgrade new file mode 100644 index 00000000..dc0a360a --- /dev/null +++ b/roles/kubernetes/kubeadm/upgrade @@ -0,0 +1,57 @@ +Cluster Upgrades: +================= + +primary master: +--------------- + +VERSION=1.20.2 + +apt-get update +apt-get install -y --allow-change-held-packages "kubeadm=$VERSION-00" && apt-mark hold kubeadm +kubeadm version +kubeadm upgrade plan + +kubectl drain $(hostname) --ignore-daemonsets --delete-local-data +kubeadm upgrade apply "v$VERSION" + +sed "s/^kubernetesVersion: .*$/kubernetesVersion: $VERSION/" -i /etc/kubernetes/kubeadm.config +apt-get update && apt-get install -y --allow-change-held-packages "kubelet=$VERSION-00" "kubectl=$VERSION-00" && apt-mark hold kubelet kubectl + +// security updates + reboot ? + +kubectl uncordon $(hostname) + + +secondary master: +----------------- + +VERSION=1.20.2 + +apt-get update +apt-get install -y --allow-change-held-packages "kubeadm=$VERSION-00" && apt-mark hold kubeadm + +kubectl drain $(hostname) --ignore-daemonsets --delete-local-data +kubeadm upgrade node +apt-mark unhold kubelet kubectl && apt-get update && apt-get install -y kubelet="$VERSION-00" "kubectl=$VERSION-00" && apt-mark hold kubelet kubectl + +// security updates + reboot ? + +kubectl uncordon $(hostname) + + +worker nodes: +------------- + +VERSION=1.20.2 + +apt-get update +apt-get install -y --allow-change-held-packages "kubeadm=$VERSION-00" && apt-mark hold kubeadm + +@primary master: kubectl drain <node> --ignore-daemonsets --delete-local-data + +kubeadm upgrade node +apt-mark unhold kubelet kubectl && apt-get update && apt-get install -y kubelet="$VERSION-00" "kubectl=$VERSION-00" && apt-mark hold kubelet kubectl + +// security updates + reboot ? + +@primary master: kubectl uncordon <node> |