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agents: use apt-get simulation for Ubuntu 18 compatibility; fix installer log path

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This commit is contained in:
Muhammad Ibrahim
2025-09-24 15:21:22 +01:00
parent 1d8742ccad
commit 13fe8a0bc5
2 changed files with 13 additions and 10 deletions
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21
agents/patchmon-agent.sh
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@@ -550,33 +550,36 @@ get_apt_packages() {
local -n packages_ref=$1
local -n first_ref=$2
# Update package lists
# Update package lists (use apt-get for older distros; quieter output)
apt-get update -qq
# Get upgradable packages
local upgradable=$(apt list --upgradable 2>/dev/null | grep -v "WARNING")
# Determine upgradable packages using apt-get simulation (compatible with Ubuntu 18.04)
# Example line format:
# Inst bash [4.4.18-2ubuntu1] (4.4.18-2ubuntu1.2 Ubuntu:18.04/bionic-updates [amd64])
local upgradable_sim=$(apt-get -s -o Debug::NoLocking=1 upgrade 2>/dev/null | grep "^Inst ")
while IFS= read -r line; do
if [[ "$line" =~ ^([^/]+)/([^[:space:]]+)[[:space:]]+([^[:space:]]+)[[:space:]]+.*[[:space:]]([^[:space:]]+)[[:space:]]*(\[.*\])? ]]; then
# Extract package name, current version (in brackets), and available version (first token inside parentheses)
if [[ "$line" =~ ^Inst[[:space:]]+([^[:space:]]+)[[:space:]]+\[([^\]]+)\][[:space:]]+\(([^[:space:]]+) ]]; then
local package_name="${BASH_REMATCH[1]}"
local current_version="${BASH_REMATCH[4]}"
local current_version="${BASH_REMATCH[2]}"
local available_version="${BASH_REMATCH[3]}"
local is_security_update=false
# Check if it's a security update
if echo "$line" | grep -q "security"; then
# Mark as security update if the line references a security pocket
if echo "$line" | grep -qiE "(-|/)security"; then
is_security_update=true
fi
if [[ "$first_ref" == true ]]; then
first_ref=false
else
packages_ref+=","
packages_ref+=","
fi
packages_ref+="{\"name\":\"$package_name\",\"currentVersion\":\"$current_version\",\"availableVersion\":\"$available_version\",\"needsUpdate\":true,\"isSecurityUpdate\":$is_security_update}"
fi
done <<< "$upgradable"
done <<< "$upgradable_sim"
# Get installed packages that are up to date
local installed=$(dpkg-query -W -f='${Package} ${Version}\n' | head -100)

2
agents/patchmon_install.sh
View File

@@ -180,7 +180,7 @@ fi
echo " • Config directory: /etc/patchmon/"
echo " • Credentials file: /etc/patchmon/credentials"
echo " • Automatic updates: Every $UPDATE_INTERVAL minutes via crontab"
echo " • View logs: tail -f /var/log/patchmon-agent.sh"
echo " • View logs: tail -f /var/log/patchmon-agent.log"
echo ""
echo "🔧 Manual commands:"
echo " • Test connection: patchmon-agent.sh test"