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Create check_pve Proxmox VE check command
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| #!/bin/bash | ||
| # check_pve - Proxmox Virtual Environment server check | ||
| # For NEMS Linux (Compatible with Nagios / Icinga / etc) | ||
| # By Robbie Ferguson // https://nemslinux.com/ | ||
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| for ARGUMENT in "$@" | ||
| do | ||
| KEY=$(echo $ARGUMENT | cut -f1 -d=) | ||
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| KEY_LENGTH=${#KEY} | ||
| VALUE="${ARGUMENT:$KEY_LENGTH+1}" | ||
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| export "$KEY"="$VALUE" | ||
| done | ||
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| ticket=`curl -s -k -d "username=${username}@${realm}" --data-urlencode "password=${password}" https://${ip}:${port}/api2/json/access/ticket | jq --raw-output '.data.ticket' | sed 's/^/PVEAuthCookie=/'` | ||
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| json_data=`curl -s --insecure --cookie "${ticket}" https://${ip}:${port}/api2/json/nodes/${node}/status | jq "."` | ||
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| # Define warning and critical thresholds | ||
| warning_threshold=80 | ||
| critical_threshold=95 | ||
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| check_load() { | ||
| # Parse JSON data and extract relevant fields | ||
| cpus=$(echo "$json_data" | jq -r '.data.cpuinfo.cpus') | ||
| loadavg=$(echo "$json_data" | jq -r '.data.loadavg[0]') | ||
| loadavg5=$(echo "$json_data" | jq -r '.data.loadavg[1]') | ||
| loadavg15=$(echo "$json_data" | jq -r '.data.loadavg[2]') | ||
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| # Calculate the percentage of loadavg against cpus | ||
| loadavg_percentage=$(bc <<< "scale=2; $loadavg / $cpus * 100") | ||
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| # 1 decimal place or a whole number if the decimal is zero | ||
| loadavg_percentage=$(printf "%.1f" "$loadavg_percentage") | ||
| if [[ "$loadavg_percentage" == *\.0 ]]; then | ||
| loadavg_percentage=${loadavg_percentage%\.0} | ||
| fi | ||
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| # Compare loadavg percentage against thresholds | ||
| if (( $(bc <<< "$loadavg_percentage >= $critical_threshold") )); then | ||
| echo "CRITICAL: CPU Load ($loadavg_percentage%) exceeds critical threshold ($critical_threshold%) | load=$loadavg;$warning_threshold;$critical_threshold;;" | ||
| exit 2 | ||
| elif (( $(bc <<< "$loadavg_percentage >= $warning_threshold") )); then | ||
| echo "WARNING: CPU Load ($loadavg_percentage%) exceeds warning threshold ($warning_threshold%) | load=$loadavg;$warning_threshold;$critical_threshold;;" | ||
| exit 1 | ||
| else | ||
| echo "OK: CPU Load ($loadavg_percentage%) is within thresholds | load=$loadavg;$warning_threshold;$critical_threshold;;" | ||
| exit 0 | ||
| fi | ||
| } | ||
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| check_rootfs() { | ||
| # Parse JSON data and extract relevant fields | ||
| total_rootfs=$(echo "$json_data" | jq -r '.data.rootfs.total') | ||
| used_rootfs=$(echo "$json_data" | jq -r '.data.rootfs.used') | ||
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| # Calculate the percentage of rootfs used | ||
| rootfs_percentage=$(bc <<< "scale=2; $used_rootfs / $total_rootfs * 100") | ||
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| # Check if rootfs usage exceeds thresholds | ||
| if (( $(bc <<< "$rootfs_percentage >= 95") )); then | ||
| echo "CRITICAL: Root filesystem usage $rootfs_percentage% | rootfs_usage=$rootfs_percentage%;80;95;;" | ||
| exit 2 | ||
| elif (( $(bc <<< "$rootfs_percentage >= 80") )); then | ||
| echo "WARNING: Root filesystem usage $rootfs_percentage% | rootfs_usage=$rootfs_percentage%;80;95;;" | ||
| exit 1 | ||
| else | ||
| echo "OK: Root filesystem usage $rootfs_percentage% | rootfs_usage=$rootfs_percentage%;80;95;;" | ||
| exit 0 | ||
| fi | ||
| } | ||
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| check_proxmox_version() { | ||
| # Fetch remote JSON data | ||
| proxmox_json=$(curl -sS https://endoflife.date/api/proxmox-ve.json) | ||
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| # Extract our Proxmox version | ||
| our_version=$(echo "$json_data" | jq -r '.data.pveversion' | cut -d'/' -f2) | ||
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| # Extract the latest version from the remote JSON data | ||
| latest_version=$(echo "$proxmox_json" | jq -r '[.[].latest] | map(split(".") | map(tonumber)) | max | join(".")') | ||
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| # Check if our version is not the latest | ||
| if [ "$our_version" != "$latest_version" ]; then | ||
| echo "WARNING: Your Proxmox version ($our_version) is not the latest ($latest_version) | proxmox_version=$our_version;;;;" | ||
| exit 1 | ||
| fi | ||
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| # Find the corresponding entry for our version in the remote JSON | ||
| entry=$(echo "$proxmox_json" | jq --arg latest_version "$latest_version" '.[] | select(.latest == $latest_version)') | ||
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| # Extract EOL date | ||
| eol_date=$(echo "$entry" | jq -r '.eol') | ||
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| # Check if we are within 90 days of EOL | ||
| current_date=$(date +%Y-%m-%d) | ||
| days_to_eol=$(( ($(date -d "$eol_date" +%s) - $(date -d "$current_date" +%s)) / 86400 )) | ||
| if [ "$days_to_eol" -le 90 ]; then | ||
| echo "CRITICAL: Your Proxmox version ($our_version) is within 90 days of EOL ($eol_date) | proxmox_version=$our_version;;;;" | ||
| exit 2 | ||
| fi | ||
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| echo "OK: Your Proxmox version ($our_version) is up to date | proxmox_version=$our_version;;;;" | ||
| exit 0 | ||
| } | ||
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| check_memory_usage() { | ||
| # Parse JSON data and extract relevant fields | ||
| total_memory=$(echo "$json_data" | jq -r '.data.memory.total') | ||
| used_memory=$(echo "$json_data" | jq -r '.data.memory.used') | ||
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| # Calculate the percentage of memory used | ||
| memory_percentage=$(bc <<< "scale=2; $used_memory / $total_memory * 100") | ||
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| # 1 decimal place or a whole number if the decimal is zero | ||
| memory_percentage=$(printf "%.1f" "$memory_percentage") | ||
| if [[ "$memory_percentage" == *\.0 ]]; then | ||
| memory_percentage=${memory_percentage%\.0} | ||
| fi | ||
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| # Check if memory usage exceeds thresholds | ||
| if (( $(bc <<< "$memory_percentage >= 95") )); then | ||
| echo "CRITICAL: Memory usage is $memory_percentage% | memory_usage=$memory_percentage%;80;95;;" | ||
| exit 2 | ||
| elif (( $(bc <<< "$memory_percentage >= 80") )); then | ||
| echo "WARNING: Memory usage is $memory_percentage% | memory_usage=$memory_percentage%;80;95;;" | ||
| exit 1 | ||
| else | ||
| echo "OK: Memory usage is $memory_percentage% | memory_usage=$memory_percentage%;80;95;;" | ||
| exit 0 | ||
| fi | ||
| } | ||
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| check_swap_usage() { | ||
| # Parse JSON data and extract relevant fields | ||
| total_swap=$(echo "$json_data" | jq -r '.data.swap.total') | ||
| used_swap=$(echo "$json_data" | jq -r '.data.swap.used') | ||
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| # Calculate the percentage of swap used | ||
| swap_percentage=$(bc <<< "scale=2; $used_swap / $total_swap * 100") | ||
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| # Check if swap usage exceeds thresholds | ||
| if (( $(bc <<< "$swap_percentage >= 95") )); then | ||
| echo "CRITICAL: Swap usage is $swap_percentage% | swap_usage=$swap_percentage%;80;95;; swap_total=${total_swap} swap_used=${used_swap};;" | ||
| exit 2 | ||
| elif (( $(bc <<< "$swap_percentage >= 80") )); then | ||
| echo "WARNING: Swap usage is $swap_percentage% | swap_usage=$swap_percentage%;80;95;; swap_total=${total_swap} swap_used=${used_swap};;" | ||
| exit 1 | ||
| else | ||
| echo "OK: Swap usage is $swap_percentage% | swap_usage=$swap_percentage%;80;95;; swap_total=${total_swap} swap_used=${used_swap};;" | ||
| exit 0 | ||
| fi | ||
| } | ||
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| # Check if any required variables are unset | ||
| if [[ -z "$ip" || -z "$port" || -z "$node" || -z "$username" || -z "$password" || -z "$realm" ]]; then | ||
| WHITE='\033[0;97m' | ||
| CYAN='\033[0;36m' | ||
| YELLOW='\033[1;33m' | ||
| RED='\033[0;31m' | ||
| NC='\033[0m' # No Color | ||
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| echo -e "${WHITE}" | ||
| echo "check_pve 1.0 by Robbie Ferguson // https://nemslinux.com/" | ||
| echo -e "${NC}" | ||
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| echo -e "${YELLOW}Usage:${NC}" | ||
| echo "$0 variable=value" | ||
| echo | ||
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| echo -e "${YELLOW}Variables:${NC}" | ||
| echo -e " - ${CYAN}ip:${NC} IP address of the Proxmox server ${WHITE}[${RED}Required${WHITE}]${NC}" | ||
| echo -e " - ${CYAN}port:${NC} Port number Proxmox is accessible on (default: 8006)" | ||
| echo -e " - ${CYAN}node:${NC} The name of the node you wish to check ${WHITE}[${RED}Required${WHITE}]${NC}" | ||
| echo -e " - ${CYAN}username:${NC} Username of user with PVEAuditor permission set ${WHITE}[${RED}Required${WHITE}]${NC}" | ||
| echo -e " - ${CYAN}password:${NC} Password for that user ${WHITE}[${RED}Required${WHITE}]${NC}" | ||
| echo -e " - ${CYAN}realm:${NC} Authentication realm (Eg., pve or pam) ${WHITE}[${RED}Required${WHITE}]${NC}" | ||
| echo -e " - ${CYAN}check:${NC} Specify the check to perform (load, rootfs, version, memory, swap) ${WHITE}[${RED}Required${WHITE}]${NC}" | ||
| echo -e " - ${CYAN}warn:${NC} Warning threshold percentage" | ||
| echo -e " - ${CYAN}crit:${NC} Critical threshold percentage" | ||
| echo | ||
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| echo -e "${YELLOW}Example:${NC}" | ||
| echo "$0 ip=10.0.0.5 port=8006 node=myserver username=auditor password=Str0ngP4ssw0rd realm=pve check=load warn=80 crit=95" | ||
| echo | ||
| exit 1 | ||
| fi | ||
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| case "$check" in | ||
| load) | ||
| check_load | ||
| ;; | ||
| rootfs) | ||
| check_rootfs | ||
| ;; | ||
| version) | ||
| check_proxmox_version | ||
| ;; | ||
| memory) | ||
| check_memory_usage | ||
| ;; | ||
| swap) | ||
| check_swap_usage | ||
| ;; | ||
| *) | ||
| echo "Unknown check: $check" | ||
| exit 3 | ||
| ;; | ||
| esac |