scripts: script to check OpenWRT versions running on accessible hosts

Author: Noki

check-versions.sh

@@ -0,0 +1,288 @@
+#!/bin/bash
+# shellcheck disable=SC2016
+
+set -euo pipefail
+
+WORK_DIR="tmp"
+OPENWRT_REPO="$WORK_DIR/openwrt"
+OUTPUT_FILE="$WORK_DIR/versions-$(date +%Y%m%d-%H%M%S).txt"
+SSH_OPTS=(-q -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o BatchMode=yes -o ConnectTimeout=5 -o ServerAliveInterval=1 -o ServerAliveCountMax=3)
+
+LOCATION_FILTER=""
+UPDATE_THRESHOLD_DAYS=0
+
+usage() {
+	echo "Usage: $0 [-l LOCATION] [-d DAYS] [-h]"
+	echo ""
+	echo "Options:"
+	echo "  -l LOCATION   Filter hosts to a specific location (e.g., w38b)"
+	echo "  -d DAYS       Only add hosts to update list if outdated by at least DAYS (default: 0)"
+	echo "  -h            Show this help message"
+	echo ""
+	echo "Examples:"
+	echo "  $0                Check all hosts"
+	echo "  $0 -l w38b        Check only w38b hosts"
+	echo "  $0 -d 7           Only add hosts outdated by 7+ days to update list"
+	exit 1
+}
+
+while getopts "l:d:h" opt; do
+	case $opt in
+	l)
+		LOCATION_FILTER="$OPTARG"
+		;;
+	d)
+		UPDATE_THRESHOLD_DAYS="$OPTARG"
+		;;
+	h)
+		usage
+		;;
+	*)
+		usage
+		;;
+	esac
+done
+
+get_model_version() {
+	local model="$1"
+	local model_file="group_vars/model_${model//-/_}.yml"
+	yq -r '.openwrt_version' "$model_file" 2>/dev/null || echo ""
+}
+
+check_host() {
+	local hostname="$1"
+	local model="$2"
+	local ssh_host="${hostname}.ff"
+
+	local version_info
+	version_info=$(timeout 20 ssh "${SSH_OPTS[@]}" "root@$ssh_host" "cat /etc/openwrt_release" 2>/dev/null) || return 1
+
+	local openwrt_version build_rev build_hash expected_version
+	openwrt_version=$(echo "$version_info" | grep -E "^DISTRIB_RELEASE=" | cut -d"'" -f2)
+	build_rev=$(echo "$version_info" | grep -E "^DISTRIB_REVISION=" | cut -d"'" -f2 | grep -oE "^r[0-9]+")
+	build_hash=$(echo "$version_info" | grep -E "^DISTRIB_REVISION=" | cut -d"'" -f2 | grep -oE "[a-f0-9]+$")
+	expected_version=$(get_model_version "$model")
+
+	echo "$hostname|$openwrt_version|$expected_version|$build_rev|$build_hash"
+}
+
+clone_or_update_repo() {
+	if [ -d "$OPENWRT_REPO/.git" ]; then
+		echo "Updating OpenWRT repository..."
+		git -C "$OPENWRT_REPO" fetch --quiet origin 'refs/heads/*:refs/remotes/origin/*'
+	else
+		echo "Cloning OpenWRT repository..."
+		mkdir -p "$WORK_DIR"
+		git clone --quiet git@github.com:openwrt/openwrt.git "$OPENWRT_REPO"
+		git -C "$OPENWRT_REPO" fetch --quiet origin 'refs/heads/*:refs/remotes/origin/*'
+	fi
+}
+
+init_output() {
+	mkdir -p "$(dirname "$OUTPUT_FILE")"
+	: >"$OUTPUT_FILE"
+}
+
+log() {
+	echo "$@" | tee -a "$OUTPUT_FILE"
+}
+
+version_to_branch() {
+	local version="$1"
+	local major minor
+	version=$(echo "$version" | sed 's/-SNAPSHOT//' | sed 's/-.*//')
+	major=$(echo "$version" | cut -d. -f1)
+	minor=$(echo "$version" | cut -d. -f2)
+	if [[ "$major" =~ ^[0-9]+$ ]] && [[ "$minor" =~ ^[0-9]+$ ]]; then
+		echo "openwrt-$major.$minor"
+	else
+		echo "main"
+	fi
+}
+
+get_commit_date() {
+	local repo="$1"
+	local hash="$2"
+	git -C "$repo" log -1 --format="%ct" "$hash" 2>/dev/null
+}
+
+get_branch_tip() {
+	local repo="$1"
+	local branch="$2"
+	git -C "$repo" rev-parse "origin/$branch" 2>/dev/null || git -C "$repo" rev-parse "$branch" 2>/dev/null
+}
+
+time_ago() {
+	local seconds="$1"
+	local minutes hours days weeks months years
+
+	seconds=${seconds#-}
+
+	if [ "$seconds" -eq 0 ]; then
+		echo "up-to-date"
+		return
+	fi
+
+	if [ "$seconds" -lt 60 ]; then
+		echo "${seconds}s ago"
+		return
+	fi
+
+	minutes=$((seconds / 60))
+	if [ "$minutes" -lt 60 ]; then
+		echo "${minutes}m ago"
+		return
+	fi
+
+	hours=$((minutes / 60))
+	if [ "$hours" -lt 24 ]; then
+		echo "${hours}h ago"
+		return
+	fi
+
+	days=$((hours / 24))
+	if [ "$days" -lt 30 ]; then
+		echo "${days}d ago"
+		return
+	fi
+
+	weeks=$((days / 7))
+	if [ "$weeks" -lt 12 ]; then
+		echo "${weeks}w ago"
+		return
+	fi
+
+	months=$((days / 30))
+	if [ "$months" -lt 12 ]; then
+		echo "${months}mo ago"
+		return
+	fi
+
+	years=$((days / 365))
+	echo "${years}y ago"
+}
+
+check_outdated() {
+	local repo="$1"
+	local hash="$2"
+	local branch="$3"
+
+	local local_date tip_hash tip_date
+	local_date=$(get_commit_date "$repo" "$hash")
+	tip_hash=$(get_branch_tip "$repo" "$branch")
+
+	if [ -z "$local_date" ] || [ -z "$tip_hash" ]; then
+		echo "?|0"
+		return
+	fi
+
+	if [ "${tip_hash:0:${#hash}}" = "$hash" ]; then
+		echo "OK|0"
+		return
+	fi
+
+	tip_date=$(get_commit_date "$repo" "$tip_hash")
+	if [ -z "$tip_date" ]; then
+		echo "?|0"
+		return
+	fi
+
+	local diff=$((tip_date - local_date))
+	echo "$(time_ago $diff)|$diff"
+}
+
+init_output
+
+echo "Extracting hosts from location files..."
+if [ -n "$LOCATION_FILTER" ]; then
+	mapfile -t HOSTS < <(yq -r '.model as $loc_model | .hosts[] | "\(.hostname)\t\(.model // $loc_model)"' "locations/${LOCATION_FILTER}.yml" 2>/dev/null)
+else
+	mapfile -t HOSTS < <(yq -r '.model as $loc_model | .hosts[] | "\(.hostname)\t\(.model // $loc_model)"' locations/*.yml 2>/dev/null)
+fi
+
+log "Checking ${#HOSTS[@]} hosts..."
+log ""
+
+results=()
+unreachable=()
+
+for entry in "${HOSTS[@]}"; do
+	hostname="${entry%%$'\t'*}"
+	model="${entry##*$'\t'}"
+	if result=$(check_host "$hostname" "$model"); then
+		results+=("$result")
+		log "$hostname OK"
+	else
+		unreachable+=("$hostname")
+		log "$hostname unreachable"
+	fi
+done
+
+if [ ${#results[@]} -eq 0 ]; then
+	echo "No reachable hosts found."
+	exit 0
+fi
+
+log ""
+log "Updating OpenWRT repository..."
+clone_or_update_repo
+
+declare -A branch_cache
+for result in "${results[@]}"; do
+	ver=$(echo "$result" | cut -d'|' -f2)
+	if [ -z "${branch_cache[$ver]:-}" ]; then
+		branch_cache[$ver]=$(version_to_branch "$ver")
+	fi
+done
+
+UPDATE_TMP="$WORK_DIR/update.tmp"
+UPDATE_FILE="$WORK_DIR/update.txt"
+: >"$UPDATE_TMP"
+
+UPDATE_THRESHOLD_SECONDS=$((UPDATE_THRESHOLD_DAYS * 86400))
+
+log ""
+log "========================================"
+log ""
+
+log "$(printf '| %-64s | %-14s | %-14s | %-9s | %-9s | %-26s |' 'HOST' 'OPENWRT' 'EXPECTED' 'BUILD_REV' 'BUILD_HASH' 'STATUS')"
+log '| :--------------------------------------------------------------- | :------------- | :------------- | --------: | :--------- | :------------------------- |'
+
+printf '%s\n' "${results[@]}" | sort -t'|' -k2,2V -k3,3V -k4,4V -k5,5V -k1,1 | while IFS='|' read -r host ver expected rev hash; do
+	branch="${branch_cache[$ver]}"
+	status_info=$(check_outdated "$OPENWRT_REPO" "$hash" "$branch")
+	status="${status_info%|*}"
+	age_seconds="${status_info#*|}"
+	if [ "$ver" != "$expected" ]; then
+		display_expected="$expected"
+	else
+		display_expected=""
+	fi
+	if [[ "$expected" == 24.10* ]] || [[ "$expected" == 25.12* ]] || [[ "$expected" == "SNAPSHOT" ]]; then
+		if [ "$status" != "OK" ] && [ "$age_seconds" -ge "$UPDATE_THRESHOLD_SECONDS" ]; then
+			echo "$host" >>"$UPDATE_TMP"
+		fi
+	fi
+	log "$(printf '| %-64s | %-14s | %-14s | %9s | %-9s | %-26s |' "$host" "$ver" "$display_expected" "$rev" "$hash" "$status")"
+done
+
+sort -u "$UPDATE_TMP" >"$UPDATE_FILE"
+rm -f "$UPDATE_TMP"
+update_count=$(wc -l <"$UPDATE_FILE")
+echo "Update list saved to: $UPDATE_FILE ($update_count hosts)"
+
+log ""
+log "========================================"
+log ""
+log "Summary: ${#results[@]} reachable, ${#unreachable[@]} unreachable"
+
+if [ ${#unreachable[@]} -gt 0 ]; then
+	log ""
+	log "Unreachable hosts:"
+	for h in "${unreachable[@]}"; do
+		log "  - $h"
+	done
+fi
+
+echo ""
+echo "Output saved to: $OUTPUT_FILE"