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This self node remediation operator is using an alternate mechanism for a node in a cluster to detect its health status and take actions to remediate itself in case of a failure. While not all remediation events can result in the node returning to a healthy state, the operator does allow surviving parts of the cluster to assume the node has reached a safe state so that it's workloads can be automatically recovered. A prerequisite for the self node remediation operator is a functioning health detection system that implements the external remediation API, such as Node Healthcheck Operator, Machine Health Check Controller (in OCP or Cluster-API based clusters). Once a node/machine is unhealthy, the detection system will create the SelfNodeRemediation CR, which triggers the self node remediation operator. To get started, a user would need to create a SelfNodeRemediationTemplate, and reference that CR with an NHC/MHC CR.
The following information was extracted from the dockerfile and other sources.
| Canonical image ID | Self Node Remediation Operator Bundle |
| Summary | Self Node Remediation bundle |
| Description | Self Node Remediation bundle |
| Provider | Red Hat |
| Maintainer | Dragonfly Team <team-dragonfly@redhat.com> |
| Repository name | workload-availability/self-node-remediation-bundle |
| Image version | v0.12.0 |
| Architecture | amd64 |
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