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https://github.com/status-im/infra-role-logos-node.git
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vedran
6ce9b82998
Deploys logoscore with waku_module via Docker Compose. Replaces infra-role-nim-waku for Logos architecture. - Waku JSON config templating - Peer info extraction from container logs (no REST API) - Consul services with ENR for fleets.status.im - WSS support via certbot - Container monitor systemd service https://github.com/status-im/infra-logos/issues/1
1.0 KiB
1.0 KiB
Container Monitor
Container monitoring script is present as a service to update Consul metadata with current state of a service.
It listens to Docker events for given container and updates the JSON service definition in /etc/consul.
$ systemctl -o cat -n5 status monitor-logos-node
● monitor-logos-node.service - Container state monitor for logos-node
Loaded: loaded (/etc/systemd/system/monitor-logos-node.service; enabled)
Active: active (running)
Known Issues
The method of modifying JSON files in /etc/consul using sed is crude but simple. It avoids the need to have to call Consul Catalog API with the whole set of service metadata only to update a single ServiceMeta key.
But there are a few problems with this approach:
- It only works for metadata fields that are already present in the JSON file.
- It causes Ansible to overwrite the fields, setting them to
unknown. - It can fail due to JSON file format changes.