#!/bin/bash
# g-update.sh <tag> — apply all pending DEBIAN updates (not Docker CE) in 9202, non-interactive, keep configs.
# Runs ON demo-hp as root. A sampler records the containers every 2 s while it runs.
export LC_ALL=C
TAG=$1
( while [ ! -f /root/g-stop-$TAG ]; do echo "$(date -u +%T) $(pct exec 9202 -- docker ps --format '{{.Names}}:{{.Status}}' 2>&1 | sort | tr '\n' ' ')"; sleep 2; done ) > /root/g-sampler-$TAG.txt 2>&1 &
SP=$!
pct exec 9202 -- bash -c '
export DEBIAN_FRONTEND=noninteractive LC_ALL=C
apt-get update -q >/dev/null 2>&1; echo update_rc=$?
pkgs=$(apt-get -s dist-upgrade | grep "^Inst " | grep -v "Docker CE" | awk "{print \$2}" | tr "\n" " ")
echo "debian_packages=$(echo $pkgs | wc -w)"
apt-get -s install --only-upgrade $pkgs 2>/dev/null | grep -E "^(Need to get|After this operation|[0-9]+ upgraded)"
df -B1 --output=used / | tail -1 | sed "s/^/rootfs_used_before /"
du -sb /var/cache/apt/archives | sed "s/^/apt_cache_before /"
s=$(date +%s.%N)
apt-get install -y -q --only-upgrade -o Dpkg::Options::=--force-confold -o Dpkg::Options::=--force-confdef $pkgs > /root/apt-run.log 2>&1
rc=$?
echo "apt_rc=$rc seconds=$(awk -v a=$s -v b=$(date +%s.%N) "BEGIN{printf \"%.1f\", b-a}")"
grep -E "^(Fetched|Need to get)" /root/apt-run.log
grep -iE "conffile|Configuration file|dpkg-old|dpkg-dist|warning" /root/apt-run.log | head -8
du -sb /var/cache/apt/archives | sed "s/^/apt_cache_after /"
df -B1 --output=used / | tail -1 | sed "s/^/rootfs_used_after /"
apt-get clean; df -B1 --output=used / | tail -1 | sed "s/^/rootfs_used_after_clean /"
echo "pending_debian_after=$(apt-get -s dist-upgrade | grep "^Inst " | grep -vc "Docker CE")"
grep -E "^Restarting|restart" /root/apt-run.log | head -10
'
touch /root/g-stop-$TAG; wait $SP