Comment

trk@aussie.zone ⁨3⁩ ⁨days⁩ ago

Random thought - can you toggle private instance reasonably simply? I know nothing about running a Lamington stall, but if its a JSON file is it possible to have two versions and update a symlink to the version you want to use at the time?

The reason I ask is it would be pretty sneaky tricks to monitor server load and toggle to private when it exceeds a threshold for a fixed period of time, then toggle back (i.e. greater than 50% server load = private for the next 2 hours or whatever).

Alternatively, I’ll just put my vote in for going private.

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lodion@aussie.zone ⁨3⁩ ⁨days⁩ ago

It’s a simple tick box in the admin settings interface. Trivially easy to enable, and presumably disable. Doesn’t appear to even require a service restart.

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trk@aussie.zone ⁨3⁩ ⁨days⁩ ago

Is it possible to automate? I looked at the Lamington docs briefly and it looked like it uses a file to store config. Thought if the config file was a symlink it would make it easy to change config to be private / be public.

Like this every 30 minutes or whatever.

#!/bin/bash

THRESHOLD=1.5

CMD_HIGH="echo ln -sfn /blah/blah/config.json /blah/blah/config.json.private"
CMD_LOW="echo ln -sfn /blah/blah/config.json /blah/blah/config.json.public"

CPU_CORES=$(nproc)

LOAD_15MIN=$(uptime | awk -F'[a-z]:' '{print $2}' | awk -F', ' '{print $3}' | tr -d ' ')

if (( $(echo "$LOAD_15MIN > $THRESHOLD" | bc -l) )); then
    echo "[$(date)] High Load Detected - Current: $LOAD_15MIN, Threshold: $THRESHOLD"
    echo "[$(date)] Taking Lamington private........ "
    eval "$CMD_HIGH"
else
    echo "[$(date)] Normal Load Detected - Current: $LOAD_15MIN, Threshold: $THRESHOLD"
    echo "[$(date)] Returning Lamington to public... "
    eval "$CMD_LOW"
fi

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