Files
firezone/scripts/tests/systemd/dns-systemd-resolved.sh
Jamil 06aa485e18 ci: Use search_domain for one resource in CI test (#8393)
- Adds a `search_domain` of `httpbin.test` in seeds
- Updates one of our DNS resources under CI test to use this
2025-03-15 13:27:22 +00:00

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#!/usr/bin/env bash
# Test Linux DNS control using `systemd-resolved` directly inside the CI runner
# This needs Docker Compose so we can run httpbin.
source "./scripts/tests/lib.sh"
BINARY_NAME=firezone-headless-client
SERVICE_NAME=firezone-client-headless
debug_exit() {
echo "Bailing out. Waiting a couple seconds for things to settle..."
sleep 5
resolvectl dns tun-firezone || true
systemctl status "$SERVICE_NAME" || true
exit 1
}
# Copy the Linux Client out of its container
docker compose cp client:/bin/"$BINARY_NAME" "$BINARY_NAME"
chmod u+x "$BINARY_NAME"
sudo chown root:root "$BINARY_NAME"
sudo mv "$BINARY_NAME" "/usr/bin/$BINARY_NAME"
create_token_file
sudo cp "scripts/tests/systemd/$SERVICE_NAME.service" /usr/lib/systemd/system/
HTTPBIN=dns
HTTPBIN_FQDN="$HTTPBIN.httpbin.search.test"
# I'm assuming the docker iface name is relatively constant
DOCKER_IFACE="docker0"
FZ_IFACE="tun-firezone"
echo "# Make sure gateway can reach httpbin by DNS"
gateway sh -c "curl --fail $HTTPBIN_FQDN/get"
echo "# Accessing a resource should fail before the client is up"
# Force curl to try the Firezone interface. I can't block off the Docker interface yet
# because it may be needed for the client to reach the portal.
curl --interface "$FZ_IFACE" $HTTPBIN/get && exit 1
echo "# Start Firezone"
resolvectl dns tun-firezone && exit 1
stat "/usr/bin/$BINARY_NAME"
sudo systemctl start "$SERVICE_NAME" || debug_exit
resolvectl dns tun-firezone
resolvectl query "$HTTPBIN" || debug_exit
# Accessing a resource should succeed after the client is up
# Block off Docker's DNS.
sudo resolvectl dns "$DOCKER_IFACE" ""
curl -v $HTTPBIN/get
# Make sure it's going through the tunnel
nslookup "$HTTPBIN" | grep "100\\.96\\.0\\."
# Print some debug info
resolvectl status