37 lines
1.2 KiB
Bash
Executable File
37 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# for UPS monitoring with NUT
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#
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DATA_CMD="upsc ups@localhost"
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# on debian and freebsd, ups.realpower is not available.
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# calculate load in watts with load percent and max output instead.
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MAX_OUTPUT=$($DATA_CMD | grep ups.realpower.nominal: | awk '{print $2}')
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LOAD_VALUE=$($DATA_CMD | grep ups.load: | awk '{print $2}')
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LOAD_PERCENT=$(echo "scale=2; $LOAD_VALUE/100" | bc)
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POWER=$(echo "scale=0; $LOAD_PERCENT*$MAX_OUTPUT" | bc)
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# "round" to integer. just removes decimal and whatevers after.
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POWER="${POWER%.*} W"
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CHARGE="$($DATA_CMD | grep battery.charge: | awk '{print $2}')%"
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if [ "$CHARGE" = "100%" ]; then
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echo $POWER
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else
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echo "$CHARGE $POWER"
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fi
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# for battery monitoring everywhere else
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#
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# if power_now is not present, calculate it:
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#VOLTAGE=$(cat /sys/class/power_supply/BAT*/voltage_now)
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#CURRENT=$(cat /sys/class/power_supply/BAT*/current_now)
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#POWER=$(echo "scale=2; $VOLTAGE*$CURRENT/1000000000000" | bc)
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# if it is present, just divide it to watts (from micro watts on thinkpads, perhaps something else on other platforms)
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#POWER=$(cat /sys/class/power_supply/BAT*/power_now)
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#POWER="$(echo "scale=2; $POWER/1000000" | bc)W"
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#CHARGE="$(cat /sys/class/power_supply/BAT*/capacity)%"
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#echo "$CHARGE $POWER"
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