68 lines
1.7 KiB
Bash
68 lines
1.7 KiB
Bash
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#!/bin/bash
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# ==============================
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# Configuration
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# ==============================
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NTFY_URL="https://ntfy.hillbillyer.dev/health-alert"
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DISK_THRESHOLD=95
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RAM_THRESHOLD=90
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STATE_FILE="$HOME/hillbillyer/health-check/proxmox_health_state"
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HOSTNAME=$(hostname)
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# ==============================
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# Disk Check (Ignore tmpfs, etc.)
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# ==============================
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disk_alert=0
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disk_message=""
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while read -r source fstype size used avail pcent mount; do
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usage_percent=$(echo "$pcent" | sed 's/%//')
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# Skip unwanted filesystem types
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if [[ "$fstype" =~ ^(tmpfs|devtmpfs|overlay|squashfs)$ ]]; then
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continue
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fi
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if [ "$usage_percent" -ge "$DISK_THRESHOLD" ]; then
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disk_alert=1
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disk_message+="Disk alert on $HOSTNAME: $mount ($fstype) is ${pcent} full\n"
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fi
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done < <(df -hT | tail -n +2)
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# ==============================
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# RAM Check
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# ==============================
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ram_used_percent=$(free | awk '/Mem:/ {printf("%.0f"), $3/$2 * 100}')
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ram_alert=0
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ram_message=""
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if [ "$ram_used_percent" -ge "$RAM_THRESHOLD" ]; then
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ram_alert=1
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ram_message="RAM alert on $HOSTNAME: Memory usage is ${ram_used_percent}%\n"
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fi
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# ==============================
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# State Handling (Prevent Spam)
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# ==============================
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previous_state=""
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[ -f "$STATE_FILE" ] && previous_state=$(cat "$STATE_FILE")
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current_state="disk:$disk_alert ram:$ram_alert"
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if [ "$current_state" != "$previous_state" ]; then
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if [ "$disk_alert" -eq 1 ] || [ "$ram_alert" -eq 1 ]; then
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message="${disk_message}${ram_message}"
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echo -e "$message" | curl -s \
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-H "Title: Usage Alert on $HOSTNAME" \
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-H "Priority: urgent" \
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-d @- "$NTFY_URL"
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fi
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echo "$current_state" > "$STATE_FILE"
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fi
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