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87 lines
3.5 KiB
Markdown
---
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weight: 9
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title: FAQ
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menu:
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docs:
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parent: "operator"
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weight: 9
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identifier: "operator-faq"
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aliases:
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- /operator/faq/
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- /operator/faq/index.html
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---
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## How do you monitor the operator itself?
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You can read about vmoperator monitoring in [this document](https://docs.victoriametrics.com/operator/monitoring).
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## How to change VMStorage PVC storage class
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With Helm chart deployment:
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1. Update the PVCs manually
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1. Run `kubectl delete statefulset --cascade=orphan {vmstorage-sts}` which will delete the sts but keep the pods
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1. Update helm chart with the new storage class in the volumeClaimTemplate
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1. Run the helm chart to recreate the sts with the updated value
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With Operator deployment:
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1. Update the PVCs manually
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1. Run `kubectl delete vmcluster --cascade=orphan {cluster-name}`
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1. Run `kubectl delete statefulset --cascade=orphan {vmstorage-sts}`
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1. Update VMCluster spec to use new storage class
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1. Apply cluster configuration
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## How to override image registry
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You can use `VM_CONTAINERREGISTRY` parameter for operator:
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- See details about tuning [operator settings here](https://docs.victoriametrics.com/operator/setup#settings).
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- See [available operator settings](https://docs.victoriametrics.com/operator/vars) here.
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## How to set up automatic backups?
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You can read about backups:
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- for `VMSingle`: [Backup automation](https://docs.victoriametrics.com/operator/resources/vmsingle#backup-automation)
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- for `VMCluster`: [Backup automation](https://docs.victoriametrics.com/operator/resources/vmcluster#backup-automation)
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## How to migrate from Prometheus-operator to VictoriaMetrics operator?
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You can read about migration from prometheus operator on [this page](https://docs.victoriametrics.com/operator/migration).
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## How to turn off conversion for prometheus resources
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You can read about it on [this page](https://docs.victoriametrics.com/operator/migration#objects-convesion).
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## My VM objects are not deleted/changed when I delete/change Prometheus objects
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You can read about it in following sections of "Migration from prometheus-operator" docs:
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- [Deletion synchronization](https://docs.victoriametrics.com/operator/migration#deletion-synchronization)
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- [Update synchronization](https://docs.victoriametrics.com/operator/migration#update-synchronization)
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- [Labels synchronization](https://docs.victoriametrics.com/operator/migration#labels-synchronization)
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## What permissions does an operator need to run in a cluster?
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You can read about needed permissions for operator in [this document](https://docs.victoriametrics.com/operator/security#roles).
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## How to know the version of VM components in the operator?
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See [printDefaults mode](https://docs.victoriametrics.com/operator/configuration).
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In addition, you can use [Release notes](https://github.com/VictoriaMetrics/operator/releases)
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or [CHANGELOG](https://docs.victoriametrics.com/operator/changelog).
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- that's where we describe default version of VictoriaMetrics components.
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## How to run VictoriaMetrics operator with permissions for one namespace only?
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See this document for details: [Configuration -> Namespaced mode](https://docs.victoriametrics.com/operator/configuration#namespaced-mode).
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## How to configure VMAgent and VMServiceScrape for using with [Istio Service Mesh](https://istio.io/) and its mTLS?
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See this example in operator repository: https://github.com/VictoriaMetrics/operator/blob/master/config/examples/vmagent_istio.yaml
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## What versions of Kubernetes is the operator compatible with?
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Operator tested at kubernetes versions from 1.16 to 1.27.
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