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chore(docs): fix vmalertmanager typo (#6056)

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Fixes: #6055

Signed-off-by: Thomas Way <thomas@6f.io>
Co-authored-by: Alexander Marshalov <_@marshalov.org>
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Thomas 2024-04-03 10:02:30 +01:00 committed by Aliaksandr Valialkin
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commit 7526f1d3a5
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32
docs/operator/resources/vmalertmanager.md
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@ -118,34 +118,34 @@ spec:
configNamespaceSelector: {} configNamespaceSelector: {}
``` ```
[VMAlertmanagerConfig](./vmalertmanagerconfig.md) objects are [VMAlertmanagerConfig](./vmalertmanagerconfig.md) objects are
generates part of [VMAlertmanager](./vmalertmanager.md) configuration. generates part of [VMAlertmanager](./vmalertmanager.md) configuration.
For filtering rules `VMAlertmanager` uses selectors `configNamespaceSelector` and `configSelector`. For filtering rules `VMAlertmanager` uses selectors `configNamespaceSelector` and `configSelector`.
It allows configuring rules access control across namespaces and different environments. It allows configuring rules access control across namespaces and different environments.
Specification of selectors you can see in [this doc](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.27/#labelselector-v1-meta). Specification of selectors you can see in [this doc](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.27/#labelselector-v1-meta).
In addition to the above selectors, the filtering of objects in a cluster is affected by the field `selectAllByDefault` In addition to the above selectors, the filtering of objects in a cluster is affected by the field `selectAllByDefault`
of `VMAlertmanager` spec and environment variable `WATCH_NAMESPACE` for operator. of `VMAlertmanager` spec and environment variable `WATCH_NAMESPACE` for operator.
Following rules are applied: Following rules are applied:
- If `configNamespaceSelector` and `configSelector` both undefined, then by default select nothing. With option set - `spec.selectAllByDefault: true`, select all vmalertmanagerconfigs. - If `configNamespaceSelector` and `configSelector` both undefined, then by default select nothing. With option set - `spec.selectAllByDefault: true`, select all vmalertmanagerconfigs.
- If `configNamespaceSelector` defined, `configSelector` undefined, then all vmalertmaangerconfigs are matching at namespaces for given `configNamespaceSelector`. - If `configNamespaceSelector` defined, `configSelector` undefined, then all vmalertmanagerconfigs are matching at namespaces for given `configNamespaceSelector`.
- If `configNamespaceSelector` undefined, `configSelector` defined, then all vmalertmaangerconfigs at `VMAlertmanager`'s namespaces are matching for given `configSelector`. - If `configNamespaceSelector` undefined, `configSelector` defined, then all vmalertmanagerconfigs at `VMAlertmanager`'s namespaces are matching for given `configSelector`.
- If `configNamespaceSelector` and `configSelector` both defined, then only vmalertmaangerconfigs at namespaces matched `configNamespaceSelector` for given `configSelector` are matching. - If `configNamespaceSelector` and `configSelector` both defined, then only vmalertmanagerconfigs at namespaces matched `configNamespaceSelector` for given `configSelector` are matching.
Here's a more visual and more detailed view: Here's a more visual and more detailed view:
| `configNamespaceSelector` | `configSelector` | `selectAllByDefault` | `WATCH_NAMESPACE` | Selected rules | | `configNamespaceSelector` | `configSelector` | `selectAllByDefault` | `WATCH_NAMESPACE` | Selected rules |
|---------------------------|------------------|----------------------|-------------------|------------------------------------------------------------------------------------------------------------------------| | ------------------------- | ---------------- | -------------------- | ----------------- | ---------------------------------------------------------------------------------------------------------------------- |
| undefined | undefined | false | undefined | nothing | | undefined | undefined | false | undefined | nothing |
| undefined | undefined | **true** | undefined | all vmalertmaangerconfigs in the cluster | | undefined | undefined | **true** | undefined | all vmalertmanagerconfigs in the cluster |
| **defined** | undefined | *any* | undefined | all vmalertmaangerconfigs are matching at namespaces for given `configNamespaceSelector` | | **defined** | undefined | *any* | undefined | all vmalertmanagerconfigs are matching at namespaces for given `configNamespaceSelector` |
| undefined | **defined** | *any* | undefined | all vmalertmaangerconfigs only at `VMAlertmanager`'s namespace are matching for given `ruleSelector` | | undefined | **defined** | *any* | undefined | all vmalertmanagerconfigs only at `VMAlertmanager`'s namespace are matching for given `ruleSelector` |
| **defined** | **defined** | *any* | undefined | all vmalertmaangerconfigs only at namespaces matched `configNamespaceSelector` for given `configSelector` are matching | | **defined** | **defined** | *any* | undefined | all vmalertmanagerconfigs only at namespaces matched `configNamespaceSelector` for given `configSelector` are matching |
| *any* | undefined | *any* | **defined** | all vmalertmaangerconfigs only at `VMAlertmanager`'s namespace | | *any* | undefined | *any* | **defined** | all vmalertmanagerconfigs only at `VMAlertmanager`'s namespace |
| *any* | **defined** | *any* | **defined** | all vmalertmaangerconfigs only at `VMAlertmanager`'s namespace for given `configSelector` are matching | | *any* | **defined** | *any* | **defined** | all vmalertmanagerconfigs only at `VMAlertmanager`'s namespace for given `configSelector` are matching |
More details about `WATCH_NAMESPACE` variable you can read in [this doc](../configuration.md#namespaced-mode). More details about `WATCH_NAMESPACE` variable you can read in [this doc](../configuration.md#namespaced-mode).
@ -170,7 +170,7 @@ metadata:
name: vmalertmanager-select-ns name: vmalertmanager-select-ns
spec: spec:
# ... # ...
configNamespaceSelector: configNamespaceSelector:
matchLabels: matchLabels:
kubernetes.io/metadata.name: my-namespace kubernetes.io/metadata.name: my-namespace
``` ```
@ -218,9 +218,9 @@ If no configuration is provided, operator configures stub configuration with bla
The final step of the high availability scheme is Alertmanager, when an alert triggers, actually fire alerts against *all* instances of an Alertmanager cluster. The final step of the high availability scheme is Alertmanager, when an alert triggers, actually fire alerts against *all* instances of an Alertmanager cluster.
The Alertmanager, starting with the `v0.5.0` release, ships with a high availability mode. The Alertmanager, starting with the `v0.5.0` release, ships with a high availability mode.
It implements a gossip protocol to synchronize instances of an Alertmanager cluster It implements a gossip protocol to synchronize instances of an Alertmanager cluster
regarding notifications that have been sent out, to prevent duplicate notifications. regarding notifications that have been sent out, to prevent duplicate notifications.
It is an AP (available and partition tolerant) system. Being an AP system means that notifications are guaranteed to be sent at least once. It is an AP (available and partition tolerant) system. Being an AP system means that notifications are guaranteed to be sent at least once.
The Victoria Metrics Operator ensures that Alertmanager clusters are properly configured to run highly available on Kubernetes. The Victoria Metrics Operator ensures that Alertmanager clusters are properly configured to run highly available on Kubernetes.