Begin adding WSL2 support for system-info

system-info/system-info-WSL.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+cache_dir=~/.cache/tmux
+cache_file=$cache_dir/system-info
+
+while true; do
+  # Assumes OpenHardwareMonitor is has the Remote Web Server enabled on port
+  # 8085 of the Windows host. In WSL2 the Windows host IP is accessible using
+  # $(homename).local, use this to grab sensor data but this depends on WSL2
+  # being allowed to make connections to the Windows host:
+  #
+  # ```powershell
+  # New-NetFirewallRule -DisplayName "WSL" -Direction Inbound  -InterfaceAlias "vEthernet (WSL)"  -Action Allow
+  # ```
+  #
+  # However this setting must be applied each boot, there's probably a sticky
+  # setting but not sure what it is.
+  cpu_json=`curl --silent $(hostname).local:8085/data.json | jq \
+".Children[] | select(.Text | test(\"$(hostname | awk '{print toupper($0)}')\"))"\
+'.Children[] | select(.ImageURL | test("images_icon/cpu.png"))'`
+
+  # cpu_load=`echo $cpu_json | jq --raw-output \
+  # '.Children[] | select(.Text | test("Load"))'\
+  # '.Children[] | select(.Text | test("CPU Core #[0-9]+")).Value'`
+  # echo cpu load: $cpu_load
+
+  cpu_load=`mpstat -P ALL -n 1 -u 1 -o JSON | \
+    jq '.sysstat.hosts[0].statistics[0]["cpu-load"][1:]|.[].idle' | \
+    awk '$idle ~ /[-.0-9]*/ { printf "%s", substr("█▇▆▅▄▃▂▁ ", int($idle / 11), 1) }'`
+
+  cpu_temp=`echo $cpu_json | jq --raw-output \
+'.Children[] | select(.Text | test("Temperatures"))'\
+'.Children[] | select(.Text | test("CPU Package")).Value' | \
+    awk '{gsub(/ /,""); print}'`
+
+  echo "$cpu_temp $cpu_load" > $cache_file
+  # echo -e "HTTP/1.1 200 OK\n\n$cpu_temp $cpu_load" | nc -l -k -p 8080 -q 1;
+  sleep 1
+done