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fix: install netavark + aardvark-dns for container DNS resolution

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Fresh ISO installs use podman with CNI backend which lacks DNS.
Containers on archy-net can't resolve each other by name, causing:
- LND: "lookup bitcoin-knots: no such host"
- Any inter-container communication to fail

Fix: copy netavark + aardvark-dns from build host into ISO rootfs
and configure podman to use netavark backend. This enables automatic
DNS resolution on custom bridge networks (archy-net).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Dorian 2026-03-30 18:57:17 +01:00
parent 6fecf081a4
commit ffeb49e608
1 changed files with 20 additions and 0 deletions
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20
image-recipe/build-auto-installer-iso.sh
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@ -1786,6 +1786,26 @@ insecure = true
REGCONF
chown -R 1000:1000 /mnt/target/home/archipelago/.config
# Install netavark + aardvark-dns for container DNS resolution on archy-net.
# Debian 12's podman defaults to CNI which lacks DNS. Netavark provides built-in DNS.
if [ -f /usr/lib/podman/netavark ] && [ -f /usr/lib/podman/aardvark-dns ]; then
mkdir -p /mnt/target/usr/lib/podman
cp /usr/lib/podman/netavark /mnt/target/usr/lib/podman/netavark
cp /usr/lib/podman/aardvark-dns /mnt/target/usr/lib/podman/aardvark-dns
chmod +x /mnt/target/usr/lib/podman/netavark /mnt/target/usr/lib/podman/aardvark-dns
# Configure podman to use netavark backend (enables container DNS)
mkdir -p /mnt/target/home/archipelago/.config/containers
cat > /mnt/target/home/archipelago/.config/containers/containers.conf <<'CONTAINERSCONF'
[network]
network_backend = "netavark"
CONTAINERSCONF
chown -R 1000:1000 /mnt/target/home/archipelago/.config/containers
echo " Installed netavark + aardvark-dns (container DNS enabled)"
else
echo " WARNING: netavark/aardvark-dns not found on build host — container DNS will not work"
echo " Install with: apt install aardvark-dns netavark"
fi
# Laptop support: ignore lid close so server keeps running
mkdir -p /mnt/target/etc/systemd/logind.conf.d
cat > /mnt/target/etc/systemd/logind.conf.d/lid-ignore.conf <<'LIDCONF'