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feat(executable_check_uptime.sh): add macOS support for uptime check
Add detection for macOS and calculate uptime in days using `sysctl`
and `date` commands. This change allows the script to function on
both Linux and macOS systems, increasing its versatility. Additionally,
add a check for unsupported operating systems to prevent errors.
The reboot-required check is now Linux-specific, ensuring compatibility
across different environments.
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dot_local/bin/executable_check_uptime.sh
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dot_local/bin/executable_check_uptime.sh
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#!/bin/bash
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# Get the current uptime in days
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UPTIME_DAYS=$(awk '{print int($1 / 86400)}' /proc/uptime)
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# Set the threshold for uptime warning
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UPTIME_THRESHOLD=60
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# Detect OS and get uptime in days
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if [[ "$OSTYPE" == "linux-gnu"* ]]; then
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# Get uptime in days on Linux
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UPTIME_DAYS=$(awk '{print int($1 / 86400)}' /proc/uptime)
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elif [[ "$OSTYPE" == "darwin"* ]]; then
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# Get uptime in days on macOS
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UPTIME_SECONDS=$(sysctl -n kern.boottime | awk '{print $4}' | sed 's/,//')
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CURRENT_TIME=$(date +%s)
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UPTIME_DAYS=$(( (CURRENT_TIME - UPTIME_SECONDS) / 86400 ))
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else
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echo "Unsupported OS"
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exit 1
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fi
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# Check if the uptime is greater than the threshold
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if [ "$UPTIME_DAYS" -gt "$UPTIME_THRESHOLD" ]; then
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# Set the color to red for the warning message
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echo -e "${RED}Warning: System uptime is ${UPTIME_DAYS} days, which is above ${UPTIME_THRESHOLD} days threshold.${NC}"
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fi
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# Check if a reboot is required
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if [ -f /var/run/reboot-required ]; then
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# Check if a reboot is required (Linux-only)
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if [[ "$OSTYPE" == "linux-gnu"* && -f /var/run/reboot-required ]]; then
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# Display a reboot warning
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echo -e "${RED}Warning: A system reboot is required for patching.${NC}"
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fi