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fix(ci): find the docker host without ip in the act_runner job image (#860)

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catthehacker/ubuntu:act-latest ships no iproute2, so fixture_host() fell back to 127.0.0.1 inside the
job container and every published-port fixture timed out (QuestDB is the first one probed over the
network). Read the default gateway from /proc/net/route in plain bash, warn when none is found, and log
the chosen host. Verified in that image on a user-defined network: gateway parsed, published port 200.

Claude-Session: https://claude.ai/code/session_01GT67AD99zQQqpLCVm3p7xk
This commit is contained in:
Joseph Doherty
2026-11-11 10:12:49 -05:00
parent 0ce22e1476
commit 4b68729a8a
1 changed files with 23 additions and 2 deletions
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scripts/ci/integration-fixtures.sh
+23 -2
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@@ -42,10 +42,30 @@ questdb_image() {
echo "$img"
}
# The job container's default gateway, read from /proc/net/route (#860): the act_runner job image
# (catthehacker/ubuntu:act-latest) ships no `ip`, so the old `ip route` probe silently fell back to 127.0.0.1
# inside the container and every published-port fixture (QuestDB first) timed out.
default_gateway() {
if command -v ip >/dev/null 2>&1; then
ip route | awk '/^default/{print $3; exit}'; return
fi
# Columns: Iface Destination Gateway ...; the default route has Destination 00000000. Gateway is little-endian hex.
# Plain bash (no gawk strtonum: the image's awk may be mawk).
local iface dest gw _
[ -r /proc/net/route ] || return 0
while read -r iface dest gw _; do
if [ "$dest" = "00000000" ] && [ "$gw" != "00000000" ] && [ ${#gw} -eq 8 ]; then
echo "$((16#${gw:6:2})).$((16#${gw:4:2})).$((16#${gw:2:2})).$((16#${gw:0:2}))"; return 0
fi
done < /proc/net/route
}
fixture_host() {
if [ -n "${FIXTURE_HOST:-}" ]; then echo "$FIXTURE_HOST"; return; fi
if [ -f /.dockerenv ] && command -v ip >/dev/null 2>&1; then
ip route | awk '/^default/{print $3; exit}'; return
if [ -f /.dockerenv ]; then
local gw; gw="$(default_gateway)"
if [ -n "$gw" ]; then echo "$gw"; return; fi
echo "WARNING: in a container but no default gateway found; falling back to 127.0.0.1" >&2
fi
echo 127.0.0.1
}
@@ -88,6 +108,7 @@ up() {
< "$ROOT/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Sql.IntegrationTests/Docker/postgres/seed-pg.sql" >/dev/null
echo "seeded: postgres"
echo "fixture host: $(fixture_host) (in container: $([ -f /.dockerenv ] && echo yes || echo no))"
local sqlcmd=/opt/mssql-tools18/bin/sqlcmd
wait_for "sql server" 300 docker exec otopcua-ci-mssql "$sqlcmd" -C -S localhost -U sa -P "$SA_PASSWORD" -Q 'SELECT 1'
wait_for "questdb" 120 curl -fsS "http://$(fixture_host):$QDB_HTTP_PORT/exec?query=select%201"