我正在尝试使用相同的 helm chart 部署多个 cronjob。我在下面的 values.yaml 文件中定义了 cronjobs。
cronjob:
crons:
"0":
name: one-minute-cron
schedule: "*/1 * * * *"
"1":
name: five-minute-cron
schedule: "*/5 * * * *"
metadata:
namespace: "{{K8S_NS}}"
creationTimestamp: null
restartPolicy: OnFailure
image:
repository: "{{CI_REGISTRY_IMAGE}}/{{CI_COMMIT_REF_SLUG}}:{{CI_COMMIT_SHA}}.{{CI_PIPELINE_IID}}"
pullPolicy: "Always"
imagePullSecrets: git-image-pull-secret-cron
restartPolicy: OnFailure
resources:
requests:
cpu: 1.0
memory: "128Mi"
limits:
cpu: 2.0
memory: "192Mi"
下面是模板文件夹中我的 cronjob.yaml 文件。
{{- range $job, $val := .Values.cronjob.crons }}
apiVersion: batch/v1beta1
kind: CronJob
metadata:
namespace: {{ $.Values.cronjob.metadata.namespace }}
spec:
concurrencyPolicy: Allow
failedJobsHistoryLimit: 1
jobTemplate:
metadata:
creationTimestamp: {{ $.Values.cronjob.metadata.creationTimestamp }}
name: {{ $.Values.cronjob.crons.name }}
spec:
template:
metadata:
creationTimestamp: {{ $.Values.cronjob.metadata.creationTimestamp }}
spec:
containers:
- image: {{ $.Values.cronjob.image.repository }}
imagePullPolicy: {{ $.Values.cronjob.image.pullPolicy }}
name: {{ $.Values.cronjob.crons.name }}
resources:
requests:
memory: {{ $.Values.cronjob.resources.requests.memory }}
cpu: {{ $.Values.cronjob.resources.requests.cpu }}
limits:
memory: {{ $.Values.cronjob.resources.limits.memory }}
cpu: {{ $.Values.cronjob.resources.limits.cpu }}
dnsPolicy: ClusterFirst
restartPolicy: {{ $.Values.cronjob.image.restartPolicy }}
schedulerName: default-scheduler
securityContext: {}
terminationGracePeriodSeconds: 30
imagePullSecrets:
- name: {{ $.Values.cronjob.image.imagePullSecrets }}
schedule: {{ quote $.Values.cronjob.crons.schedule }}
successfulJobsHistoryLimit: 3
suspend: false
status: {}
---
{{- end }}
当我在 CICD 管道中运行它以在 gitlab 中部署时,它会抛出以下错误。
Error: UPGRADE FAILED: error validating "": error validating data: [ValidationError(CronJob.spec.jobTemplate.spec.template.spec.containers[0]): missing required field "name" in io.k8s.api.core.v1.Container, ValidationError(CronJob.spec): missing required field "schedule" in io.k8s.api.batch.v1beta1.CronJobSpec]
注意:我已经从 gitlab 复制了整个存储库,除了 gitlab secret 、模板等敏感信息。为此,我也检查了其他博客,但它们都没有帮助让这些 crons 工作。 Github repo 链接是 here
最佳答案
首先,
我认为 cronjob.crons
应该是一个数组。尝试将其更改为:
cronjob:
crons:
- id: "0"
name: "one-minute-cron"
schedule: "*/1 * * * *"
- id: "1"
name: five-minute-cron
schedule: "*/5 * * * *"
然后你可以通过以下方式迭代“crons”:
{{- range $cron := .Values.cronjob.crons }}
然后您可以像这样访问“cron”字段:
...
imagePullPolicy: {{ $.Values.cronjob.image.pullPolicy }}
name: {{ $cron.name }}
关于kubernetes - 使用 helm 设置多个 cronjob,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/69173783/