Readiness and Liveness probe for the operator deployment of Keycloak.X

[andreaTP]

Description

The new Keycloak.X expose some basic health endpoints, we should investigate and model on top of those proper default readiness and liveness probes for the Keycloak deployment.

Discussion

No response

Motivation

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Details

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[andreaTP]

Turns out that ready and live probe are already implemented in the Quarkus distribution, specifically here:

keycloak/quarkus/runtime/src/main/java/org/keycloak/quarkus/runtime/services/health/KeycloakReadyHealthCheck.java

Line 42 in 4c74704

public class KeycloakReadyHealthCheck extends DataSourceHealthCheck {

Those endpoints gets activated by passing --metrics-enabled=true as an option to kc.sh.

The probes will look like following:

curl --head --fail --silent http://127.0.0.1:8080/health/live
curl --head --fail --silent http://127.0.0.1:8080/health/ready