install and configure system upgrade controller
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continuous-integration/drone/push Build is passing
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this brings (semi) automated k3s upgrades. YAY!
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apiVersion: argoproj.io/v1alpha1
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kind: Application
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metadata:
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name: system-upgrade-controller
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namespace: argocd
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finalizers:
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- resources-finalizer.argocd.argoproj.io
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spec:
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destination:
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namespace: system-upgrade
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server: https://kubernetes.default.svc
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project: default
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source:
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path: system-upgrade-controller
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repoURL: https://git.tbrnt.ch/tobru/gitops-tbrnt.git
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targetRevision: HEAD
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directory:
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recurse: true
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---
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apiVersion: v1
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kind: Namespace
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metadata:
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name: system-upgrade
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# These plans are adapted from work by Dax McDonald (https://github.com/daxmc99) and Hussein Galal (https://github.com/galal-hussein)
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# in support of Rancher v2 managed k3s upgrades. See Also: https://rancher.com/docs/k3s/latest/en/upgrades/automated/
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---
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apiVersion: upgrade.cattle.io/v1
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kind: Plan
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metadata:
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name: k3s-server
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namespace: system-upgrade
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labels:
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k3s-upgrade: server
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spec:
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concurrency: 1
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version: v1.18.4+k3s1
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nodeSelector:
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matchExpressions:
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- {key: k3s-upgrade, operator: Exists}
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- {key: k3s-upgrade, operator: NotIn, values: ["disabled", "false"]}
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- {key: k3s.io/hostname, operator: Exists}
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- {key: k3os.io/mode, operator: DoesNotExist}
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- {key: node-role.kubernetes.io/master, operator: In, values: ["true"]}
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serviceAccountName: system-upgrade
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cordon: false
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# drain:
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# force: true
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upgrade:
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image: tobru/k3s-upgrade-alpine
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---
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apiVersion: upgrade.cattle.io/v1
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kind: Plan
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metadata:
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name: k3s-agent
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namespace: system-upgrade
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labels:
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k3s-upgrade: agent
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spec:
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concurrency: 2
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version: v1.18.4+k3s1
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nodeSelector:
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matchExpressions:
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- {key: k3s-upgrade, operator: Exists}
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- {key: k3s-upgrade, operator: NotIn, values: ["disabled", "false"]}
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- {key: k3s.io/hostname, operator: Exists}
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- {key: k3os.io/mode, operator: DoesNotExist}
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- {key: node-role.kubernetes.io/master, operator: NotIn, values: ["true"]}
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serviceAccountName: system-upgrade
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prepare:
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# Since v0.5.0-m1 SUC will use the resolved version of the plan for the tag on the prepare container.
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# image: rancher/k3s-upgrade:v1.17.4-k3s1
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image: tobru/k3s-upgrade-alpine
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args: ["prepare", "k3s-server"]
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drain:
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force: true
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upgrade:
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image: rancher/k3s-upgrade
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: system-upgrade
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namespace: system-upgrade
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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name: system-upgrade
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: ClusterRole
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name: cluster-admin
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subjects:
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- kind: ServiceAccount
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name: system-upgrade
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namespace: system-upgrade
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---
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apiVersion: v1
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data:
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SYSTEM_UPGRADE_CONTROLLER_DEBUG: "false"
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SYSTEM_UPGRADE_CONTROLLER_THREADS: "2"
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SYSTEM_UPGRADE_JOB_ACTIVE_DEADLINE_SECONDS: "900"
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SYSTEM_UPGRADE_JOB_BACKOFF_LIMIT: "99"
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SYSTEM_UPGRADE_JOB_IMAGE_PULL_POLICY: Always
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SYSTEM_UPGRADE_JOB_KUBECTL_IMAGE: rancher/kubectl:v1.18.3
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SYSTEM_UPGRADE_JOB_PRIVILEGED: "true"
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SYSTEM_UPGRADE_JOB_TTL_SECONDS_AFTER_FINISH: "900"
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SYSTEM_UPGRADE_PLAN_POLLING_INTERVAL: 15m
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kind: ConfigMap
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metadata:
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name: default-controller-env
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namespace: system-upgrade
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: system-upgrade-controller
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namespace: system-upgrade
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spec:
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selector:
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matchLabels:
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upgrade.cattle.io/controller: system-upgrade-controller
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template:
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metadata:
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labels:
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upgrade.cattle.io/controller: system-upgrade-controller
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spec:
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affinity:
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nodeAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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nodeSelectorTerms:
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- matchExpressions:
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- key: node-role.kubernetes.io/master
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operator: In
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values:
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- "true"
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containers:
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- env:
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- name: SYSTEM_UPGRADE_CONTROLLER_NAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.labels['upgrade.cattle.io/controller']
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- name: SYSTEM_UPGRADE_CONTROLLER_NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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envFrom:
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- configMapRef:
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name: default-controller-env
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image: rancher/system-upgrade-controller:v0.6.1
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imagePullPolicy: IfNotPresent
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name: system-upgrade-controller
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volumeMounts:
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- mountPath: /etc/ssl
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name: etc-ssl
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- mountPath: /tmp
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name: tmp
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serviceAccountName: system-upgrade
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tolerations:
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- key: CriticalAddonsOnly
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operator: Exists
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- effect: NoSchedule
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key: node-role.kubernetes.io/master
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operator: Exists
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volumes:
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- hostPath:
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path: /etc/ssl
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type: Directory
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name: etc-ssl
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- emptyDir: {}
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name: tmp
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