Commits on Feb 13, 2024

1. introduce a simple readiness probe that doesn't check bootstrapped st… …

   …atus
   
   Recently we have seen on mondaynet the node's RPC subsystem become
   unresponsive, but the node does not crash.
   
   We normally have a readiness probe to get alerted when this happens.
   
   But the readiness probe is overkill: it checks whether the chain is
   bootstrapped by measuring the age of the head block, failing if it's
   over 10 minutes.
   
   We don't want this on test networks generally, but especially on
   mondaynet. After activation, we wait for the website to be published,
   other participants to come online, and quorum to be met.
   
   If we had this probe, the chain would be marked as unbootstrapped and
   stop responding to RPC and p2p, then we would never get quorum.
   
   But we still want to be alerted when the RPC subsystem is down.
   
   I'm introducing 2 readiness probe settings:
   
   * `bootstrapped_readiness_probe`: identical to existing
     `readiness_probe`
   * `rpc_readiness_probe`: checks for RPC only
   
   By default, they are on. So for mondaynet, the following should be set:
   
   ```
   nodes:
     nodex:
       bootstrapped_readiness_probe: false
   ```

   

   nicolasochem committed Feb 13, 2024
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