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https://github.com/community-scripts/ProxmoxVE.git
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core: APT/APK Mirror Fallback for CDN Failures (#13316)
This commit is contained in:
CanbiZ (MickLesk)
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GitHub
GitHub
parent
d12a0f1701
commit
d4e20816c7
162
misc/build.func
162
misc/build.func
@@ -4088,8 +4088,31 @@ https://dl-cdn.alpinelinux.org/alpine/latest-stable/main
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https://dl-cdn.alpinelinux.org/alpine/latest-stable/community
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EOF'
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pct exec "$CTID" -- ash -c "apk add bash newt curl openssh nano mc ncurses jq" >>"$BUILD_LOG" 2>&1 || {
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msg_error "Failed to install base packages in Alpine container"
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install_exit_code=1
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msg_warn "apk install failed (dl-cdn.alpinelinux.org), trying alternate mirrors..."
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local alpine_exit=0
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pct exec "$CTID" -- ash -c '
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ALPINE_MIRRORS="mirror.init7.net ftp.halifax.rwth-aachen.de mirrors.edge.kernel.org alpine.mirror.wearetriple.com mirror.leaseweb.com uk.alpinelinux.org dl-2.alpinelinux.org dl-4.alpinelinux.org"
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for m in $(printf "%s\n" $ALPINE_MIRRORS | shuf); do
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if wget -q --spider --timeout=2 "http://$m/alpine/latest-stable/main/" 2>/dev/null; then
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echo " Attempting mirror: $m"
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cat <<EOF >/etc/apk/repositories
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http://$m/alpine/latest-stable/main
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http://$m/alpine/latest-stable/community
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EOF
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if apk update >/dev/null 2>&1 && apk add bash newt curl openssh nano mc ncurses jq >/dev/null 2>&1; then
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echo " CDN set to $m: tests passed"
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exit 0
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else
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echo " Mirror $m failed"
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fi
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fi
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done
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exit 2
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' && alpine_exit=0 || alpine_exit=$?
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if [[ $alpine_exit -ne 0 ]]; then
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msg_error "Failed to install base packages in Alpine container"
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install_exit_code=1
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fi
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}
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else
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sleep 3
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@@ -4115,9 +4138,140 @@ EOF'
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msg_warn "Skipping timezone setup – zone '$tz' not found in container"
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fi
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# Detect broken DNS resolver (e.g. Tailscale MagicDNS) and inject public DNS
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if ! pct exec "$CTID" -- bash -c "getent hosts deb.debian.org >/dev/null 2>&1 && getent hosts archive.ubuntu.com >/dev/null 2>&1"; then
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msg_warn "APT repository DNS resolution failed in container, injecting public DNS servers"
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pct exec "$CTID" -- bash -c "echo -e 'nameserver 8.8.8.8\nnameserver 1.1.1.1' >/etc/resolv.conf"
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fi
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pct exec "$CTID" -- bash -c "apt-get update 2>&1 && apt-get install -y sudo curl mc gnupg2 jq 2>&1" >>"$BUILD_LOG" 2>&1 || {
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msg_error "apt-get base packages installation failed"
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install_exit_code=1
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local failed_mirror
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failed_mirror=$(pct exec "$CTID" -- bash -c "grep -m1 -oP '(?<=URIs: https?://)[^/]+' /etc/apt/sources.list.d/debian.sources 2>/dev/null || grep -m1 -oP '(?<=deb https?://)[^/]+' /etc/apt/sources.list 2>/dev/null" 2>/dev/null || echo "unknown")
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msg_warn "apt-get update failed (${failed_mirror}), trying alternate mirrors..."
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local mirror_exit=0
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pct exec "$CTID" -- bash -c '
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APT_BASE="sudo curl mc gnupg2 jq"
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DISTRO=$(. /etc/os-release 2>/dev/null && echo "$ID" || echo "debian")
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if [ "$DISTRO" = "ubuntu" ]; then
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EU_MIRRORS="de.archive.ubuntu.com fr.archive.ubuntu.com se.archive.ubuntu.com nl.archive.ubuntu.com it.archive.ubuntu.com ch.archive.ubuntu.com mirrors.xtom.de"
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US_MIRRORS="us.archive.ubuntu.com archive.ubuntu.com mirrors.edge.kernel.org mirror.csclub.uwaterloo.ca mirrors.ocf.berkeley.edu mirror.math.princeton.edu"
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AP_MIRRORS="au.archive.ubuntu.com jp.archive.ubuntu.com kr.archive.ubuntu.com tw.archive.ubuntu.com mirror.aarnet.edu.au"
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else
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EU_MIRRORS="ftp.de.debian.org ftp.fr.debian.org ftp.nl.debian.org ftp.uk.debian.org ftp.ch.debian.org ftp.se.debian.org ftp.it.debian.org ftp.fau.de ftp.halifax.rwth-aachen.de debian.mirror.lrz.de mirror.init7.net debian.ethz.ch mirrors.dotsrc.org debian.mirrors.ovh.net"
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US_MIRRORS="ftp.us.debian.org ftp.ca.debian.org debian.csail.mit.edu mirrors.ocf.berkeley.edu mirrors.wikimedia.org debian.osuosl.org mirror.cogentco.com"
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AP_MIRRORS="ftp.au.debian.org ftp.jp.debian.org ftp.tw.debian.org ftp.kr.debian.org ftp.hk.debian.org ftp.sg.debian.org mirror.aarnet.edu.au mirror.nitc.ac.in"
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fi
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TZ=$(cat /etc/timezone 2>/dev/null || echo "UTC")
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case "$TZ" in
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Europe/*|Arctic/*) REGIONAL="$EU_MIRRORS"; OTHERS="$US_MIRRORS $AP_MIRRORS" ;;
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America/*) REGIONAL="$US_MIRRORS"; OTHERS="$EU_MIRRORS $AP_MIRRORS" ;;
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Asia/*|Australia/*|Pacific/*) REGIONAL="$AP_MIRRORS"; OTHERS="$EU_MIRRORS $US_MIRRORS" ;;
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*) REGIONAL=""; OTHERS="$EU_MIRRORS $US_MIRRORS $AP_MIRRORS" ;;
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esac
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echo "Acquire::By-Hash \"no\";" >/etc/apt/apt.conf.d/99no-by-hash
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try_mirrors() {
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for src in /etc/apt/sources.list.d/debian.sources /etc/apt/sources.list; do
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[ -f "$src" ] && sed -i "s|URIs: http[s]*://[^/]*/|URIs: http://${1}/|g; s|deb http[s]*://[^/]*/|deb http://${1}/|g" "$src"
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done
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rm -rf /var/lib/apt/lists/*
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APT_OUT=$(apt-get update 2>&1)
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APT_RC=$?
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if echo "$APT_OUT" | grep -qi "hashsum\|hash sum"; then
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echo " Mirror $1 failed (hash mismatch)"
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return 1
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elif echo "$APT_OUT" | grep -qi "SSL\|certificate"; then
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echo " Mirror $1 failed (SSL/certificate error)"
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return 1
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elif [ $APT_RC -ne 0 ]; then
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echo " Mirror $1 failed (apt-get update error)"
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return 1
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elif apt-get install -y $APT_BASE >/dev/null 2>&1; then
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echo " CDN set to $1: tests passed"
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return 0
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else
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echo " Mirror $1 failed (package install error)"
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return 1
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fi
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}
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scan_reachable() {
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local result=""
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for m in $1; do
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if timeout 2 bash -c "echo >/dev/tcp/$m/80" 2>/dev/null; then
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result="$result $m"
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fi
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done
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echo "$result" | xargs
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}
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# Phase 1: Scan global mirrors first (independent of local CDN issues)
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OTHERS_OK=$(scan_reachable "$OTHERS")
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OTHERS_PICK=$(printf "%s\n" $OTHERS_OK | shuf | head -3 | xargs)
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for mirror in $OTHERS_PICK; do
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echo " Attempting mirror: $mirror"
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try_mirrors "$mirror" && exit 0
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done
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# Phase 2: Try primary mirror
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if [ "$DISTRO" = "ubuntu" ]; then
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PRIMARY="archive.ubuntu.com"
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else
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PRIMARY="ftp.debian.org"
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fi
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if timeout 2 bash -c "echo >/dev/tcp/$PRIMARY/80" 2>/dev/null; then
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echo " Attempting mirror: $PRIMARY"
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try_mirrors "$PRIMARY" && exit 0
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fi
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# Phase 3: Fall back to regional mirrors
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REGIONAL_OK=$(scan_reachable "$REGIONAL")
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REGIONAL_PICK=$(printf "%s\n" $REGIONAL_OK | shuf | head -3 | xargs)
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for mirror in $REGIONAL_PICK; do
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echo " Attempting mirror: $mirror"
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try_mirrors "$mirror" && exit 0
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done
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exit 2
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' && mirror_exit=0 || mirror_exit=$?
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if [[ $mirror_exit -eq 2 ]]; then
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msg_warn "Multiple mirrors failed (possible CDN synchronization issue)."
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if [[ "$var_os" == "ubuntu" ]]; then
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msg_warn "Find Ubuntu mirrors at: https://launchpad.net/ubuntu/+archivemirrors"
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else
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msg_warn "Find Debian mirrors at: https://www.debian.org/mirror/list"
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fi
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local custom_mirror=""
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while true; do
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read -rp " Enter a mirror hostname (or 'skip' to abort): " custom_mirror </dev/tty
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[[ -z "$custom_mirror" ]] && continue
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[[ "$custom_mirror" == "skip" ]] && break
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[[ ! "$custom_mirror" =~ ^[a-zA-Z0-9._-]+$ ]] && {
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msg_warn "Invalid hostname format."
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continue
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}
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pct exec "$CTID" -- bash -c "
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for src in /etc/apt/sources.list.d/debian.sources /etc/apt/sources.list; do
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[ -f \"\$src\" ] && sed -i \"s|URIs: http[s]*://[^/]*/|URIs: http://${custom_mirror}/|g; s|deb http[s]*://[^/]*/|deb http://${custom_mirror}/|g\" \"\$src\"
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done
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rm -rf /var/lib/apt/lists/*
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apt-get update >/dev/null 2>&1 && apt-get install -y sudo curl mc gnupg2 jq >/dev/null 2>&1
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" && break
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msg_warn "Mirror '${custom_mirror}' also failed. Try another or type 'skip'."
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done
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if [[ "$custom_mirror" == "skip" ]]; then
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msg_error "apt-get base packages installation failed"
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install_exit_code=1
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fi
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elif [[ $mirror_exit -ne 0 ]]; then
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msg_error "apt-get base packages installation failed"
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install_exit_code=1
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fi
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}
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fi
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