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in_kubernetes_events: add k8s permission details #1396

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merged 5 commits into from
Aug 16, 2024
Merged

in_kubernetes_events: add k8s permission details #1396

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in_kubernetes_events: add k8s permission details
ryanohnemus Jun 19, 2024
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Update pipeline/inputs/kubernetes-events.md
ryanohnemus Jun 21, 2024
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Update pipeline/inputs/kubernetes-events.md
ryanohnemus Jun 21, 2024
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Merge branch 'fluent:master' into in_k8s_watch_doc
ryanohnemus Jun 21, 2024
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Add hard return to break section
lockewritesdocs Jun 24, 2024
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14 changes: 12 additions & 2 deletions pipeline/inputs/kubernetes-events.md
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Expand Up @@ -14,8 +14,8 @@ Kubernetes exports it events through the API server. This input plugin allows to
|---------------------|---------------------------------------------------------------------------------------|------------------------------------------------------|
| db | Set a database file to keep track of recorded Kubernetes events | |
| db.sync | Set a database sync method. values: extra, full, normal and off | normal |
| interval_sec | Set the polling interval for each channel. | 0 |
| interval_nsec | Set the polling interval for each channel (sub seconds: nanoseconds) | 500000000 |
| interval_sec | Set the reconnect interval (seconds)* | 0 |
| interval_nsec | Set the reconnect interval (sub seconds: nanoseconds)* | 500000000 |
| kube_url | API Server end-point | https://kubernetes.default.svc |
| kube_ca_file | Kubernetes TLS CA file | /var/run/secrets/kubernetes.io/serviceaccount/ca.crt |
| kube_ca_path | Kubernetes TLS ca path | |
Expand All @@ -28,8 +28,18 @@ Kubernetes exports it events through the API server. This input plugin allows to
| tls.verify | Enable or disable verification of TLS peer certificate. | On |
| tls.vhost | Set optional TLS virtual host. | |


- _* As of Fluent-Bit 3.1, this plugin uses a Kubernetes watch stream instead of polling. In versions before 3.1, the interval parameters are used for reconnecting the Kubernetes watch stream._


## Getting Started

### Kubernetes Service Account
The Kubernetes service account used by Fluent Bit must have `get`, `list`, and `watch`
permissions to `namespaces` and `pods` for the namespaces watched in the
`kube_namespace` configuration parameter. If you're using the helm chart to configure
Fluent Bit, this role is included.
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### Simple Configuration File

In the following configuration file, the input plugin *kubernetes_events* collects events every 5 seconds (default for *interval_nsec*) and exposes them through the [standard output plugin](../outputs/standard-output.md) on the console.
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