122 lines
2.7 KiB
Bash
Executable File
122 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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set -eux
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# unset any AWS_DEFAULT_PROFILE as it will break aws-iam-auth
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unset AWS_DEFAULT_PROFILE
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nodes=$(kubectl get nodes -l node-role.kubernetes.io/control-plane -o json | jq .items[].metadata.name -r)
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for node in $nodes; do
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echo "Deploying node upgrade job on $node..."
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cat <<'EOF' | sed -e "s/__node__/$node/g" | kubectl apply -f -
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apiVersion: v1
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kind: Pod
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metadata:
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name: kubezero-upgrade-node-__node__
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namespace: kube-system
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labels:
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app: kubezero-upgrade-node
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spec:
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hostNetwork: true
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containers:
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- name: kubezero-admin
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image: public.ecr.aws/zero-downtime/kubezero-admin:v1.21.7
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imagePullPolicy: Always
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command: ["kubezero.sh"]
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args:
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- node-upgrade
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env:
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- name: DEBUG
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value: "1"
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- name: NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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volumeMounts:
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- name: host
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mountPath: /host
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- name: workdir
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mountPath: /tmp
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securityContext:
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capabilities:
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add: ["SYS_CHROOT"]
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volumes:
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- name: host
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hostPath:
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path: /
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type: Directory
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- name: workdir
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emptyDir: {}
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nodeSelector:
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kubernetes.io/hostname: __node__
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tolerations:
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- key: node-role.kubernetes.io/master
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effect: NoSchedule
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restartPolicy: Never
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EOF
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kubectl wait pod kubezero-upgrade-node-$node -n kube-system --timeout 120s --for=condition=initialized
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while true; do
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kubectl logs kubezero-upgrade-node-$node -n kube-system -f && break
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sleep 3
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done
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kubectl delete pod kubezero-upgrade-node-$node -n kube-system
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done
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echo "Deploying cluster upgrade job ..."
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cat <<'EOF' | kubectl apply -f -
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apiVersion: v1
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kind: Pod
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metadata:
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name: kubezero-upgrade-v121
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namespace: kube-system
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labels:
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app: kubezero-upgrade
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spec:
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hostNetwork: true
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#hostIPC: true
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#hostPID: true
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containers:
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- name: kubezero-admin
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image: public.ecr.aws/zero-downtime/kubezero-admin:v1.21.7
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imagePullPolicy: Always
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command: ["kubezero.sh"]
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args:
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- upgrade
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env:
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- name: DEBUG
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value: "1"
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- name: NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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volumeMounts:
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- name: host
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mountPath: /host
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- name: workdir
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mountPath: /tmp
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securityContext:
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capabilities:
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add: ["SYS_CHROOT"]
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volumes:
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- name: host
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hostPath:
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path: /
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type: Directory
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- name: workdir
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emptyDir: {}
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nodeSelector:
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node-role.kubernetes.io/master: ""
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tolerations:
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- key: node-role.kubernetes.io/master
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effect: NoSchedule
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restartPolicy: Never
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EOF
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kubectl wait pod kubezero-upgrade-v121 -n kube-system --timeout 120s --for=condition=initialized
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while true; do
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kubectl logs kubezero-upgrade-v121 -n kube-system -f && break
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sleep 3
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done
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