128 lines
3.3 KiB
YAML
128 lines
3.3 KiB
YAML
---
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: gitea-runner-rebalancer
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namespace: gitea
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: Role
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metadata:
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name: gitea-runner-rebalancer
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namespace: gitea
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rules:
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- apiGroups:
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- ""
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resources:
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- pods
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verbs:
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- get
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- list
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- delete
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: RoleBinding
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metadata:
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name: gitea-runner-rebalancer
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namespace: gitea
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: Role
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name: gitea-runner-rebalancer
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subjects:
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- kind: ServiceAccount
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name: gitea-runner-rebalancer
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namespace: gitea
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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name: gitea-runner-rebalancer
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rules:
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- apiGroups:
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- ""
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resources:
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- nodes
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resourceNames:
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- ai.tail2fe2d.ts.net
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verbs:
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- get
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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: gitea-runner-rebalancer
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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: gitea-runner-rebalancer
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subjects:
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- kind: ServiceAccount
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name: gitea-runner-rebalancer
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namespace: gitea
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---
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apiVersion: batch/v1
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kind: CronJob
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metadata:
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name: gitea-runner-rebalancer
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namespace: gitea
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spec:
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schedule: "*/2 * * * *"
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concurrencyPolicy: Forbid
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successfulJobsHistoryLimit: 1
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failedJobsHistoryLimit: 3
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jobTemplate:
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spec:
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ttlSecondsAfterFinished: 300
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template:
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metadata:
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labels:
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app: gitea-runner-rebalancer
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spec:
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serviceAccountName: gitea-runner-rebalancer
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restartPolicy: Never
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containers:
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- name: rebalance
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image: bitnami/kubectl:latest
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imagePullPolicy: IfNotPresent
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command:
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- /bin/sh
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- -ec
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- |
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target_node="ai.tail2fe2d.ts.net"
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ready="$(
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kubectl get node "${target_node}" \
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-o jsonpath='{range .status.conditions[?(@.type=="Ready")]}{.status}{end}'
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)"
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if [ "${ready}" != "True" ]; then
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echo "${target_node} is not Ready; keeping the runner on its current node"
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exit 0
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fi
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runner_pod="$(
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kubectl -n gitea get pods \
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-l app=gitea-runner \
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--field-selector=status.phase=Running \
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-o jsonpath='{.items[0].metadata.name}'
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)"
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runner_node="$(
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kubectl -n gitea get pods \
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-l app=gitea-runner \
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--field-selector=status.phase=Running \
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-o jsonpath='{.items[0].spec.nodeName}'
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)"
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if [ -z "${runner_pod}" ] || [ -z "${runner_node}" ]; then
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echo "No running Gitea runner found"
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exit 0
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fi
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if [ "${runner_node}" = "${target_node}" ]; then
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echo "${runner_pod} already runs on ${target_node}"
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exit 0
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fi
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echo "Moving ${runner_pod} from ${runner_node} to preferred node ${target_node}"
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kubectl -n gitea delete pod "${runner_pod}" --wait=false
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