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Update docs with the new remediationStrategy spec #145

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merged 7 commits into from
May 22, 2024
Merged

Update docs with the new remediationStrategy spec #145

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3e6b1fa
Update README with the new remediationStrategy spec
clobrano May 9, 2024
36333d0
Update alm-example with remediation_strategy field
clobrano May 13, 2024
24810c9
Move description of remediationStrategy to FAR CR
clobrano May 14, 2024
3ff441e
Update config/sample with remediationStrategy field
clobrano May 14, 2024
0a550e0
Use ResourceDeletion as remediationStrategy in CR example
clobrano May 15, 2024
dba7b66
Add missing spec descriptor for RemediationStrategy field
clobrano May 15, 2024
4f9eb8d
Rephrase remediation strategies section
clobrano May 22, 2024
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10 changes: 9 additions & 1 deletion README.md
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Expand Up @@ -152,10 +152,18 @@ metadata:
name: fenceagentsremediationtemplate-default
namespace: default
spec:
template: {}
template:
spec:
remediationStrategy: <remediation_strategy>
```

> *Note*: FenceAgentsRemediationTemplate CR must be created in the same namespace that the FAR operator has been installed.

The `.spec.template.spec.remediation_strategy` field can either be `ResourceDeletion` or `OutOfServiceTaint`:
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- `ResourceDeletion`: This remediation strategy removes the pods on the node, rather than the removal of the node object. This strategy recovers workloads faster.
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- `OutOfServiceTaint`: This remediation strategy implicitly causes the removal of the pods and associated volume attachments on the node, rather than the removal of the node object. It achieves this by placing the `OutOfServiceTaint` taint on the node. The `OutOfServiceTaint` strategy also represents a non-graceful node shutdown. A non-graceful node shutdown occurs when a node is shutdown and not detected, instead of triggering an in-operating system shutdown.
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Configuring NodeHealthCheck to use the example `fenceagentsremediationtemplate-default` template above.

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