Hi list,
I've been looking at developing a module that can provide current
backend/upstream server status in a reverse proxy setup.
Is there a way to query all the workers on the current upstreams
status? I just need to know if they are "up" or "down".
The idea is to be able to do something like this:
worker_processes 2;
http {
upstream backend_1 {
server 192.168.0.10:80;
server 192.168.0.11:80;
}
server {
server_name 127.0.0.1;
location /monitor {
upstream_status on;
}
}
}
Then do a curl http://127.0.0.1/monitor and get something like this back:
backend_1;worker_1;192.168.0.10:80;up;
backend_1;worker_2;192.168.0.10:80;up;
backend_1;worker_1;192.168.0.11:80;down;
backend_1;worker_2;192.168.0.11:80;down;
Any hints?
I assume this kind of information must be present somewhere in each
worker, but I just can't seem to figure out how to get to that data.
Thanks,
Srebrenko
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