ci: set routable IP addresses to increase test coverage

With `1.1.1.1` and `2.2.2.2` set on the machine, the tests
`feature_bind_port_discover.py` and
`feature_bind_port_externalip.py` will run.

Author: vasild

ci/test/00_setup_env.sh

@@ -64,7 +64,7 @@ export BASE_OUTDIR=${BASE_OUTDIR:-$BASE_SCRATCH_DIR/out}
 # The folder for previous release binaries.
 # This folder exists only on the ci guest, and on the ci host as a volume.
 export PREVIOUS_RELEASES_DIR=${PREVIOUS_RELEASES_DIR:-$BASE_ROOT_DIR/prev_releases}
-export CI_BASE_PACKAGES=${CI_BASE_PACKAGES:-build-essential pkgconf curl ca-certificates ccache python3 rsync git procps bison e2fsprogs cmake ninja-build}
+export CI_BASE_PACKAGES=${CI_BASE_PACKAGES:-build-essential pkgconf curl ca-certificates ccache python3 rsync git procps bison e2fsprogs cmake ninja-build net-tools iproute2}
 export GOAL=${GOAL:-install}
 export DIR_QA_ASSETS=${DIR_QA_ASSETS:-${BASE_SCRATCH_DIR}/qa-assets}
 export CI_RETRY_EXE=${CI_RETRY_EXE:-"retry --"}

ci/test/00_setup_env_native_centos.sh

@@ -8,7 +8,7 @@ export LC_ALL=C.UTF-8
 
 export CONTAINER_NAME=ci_native_centos
 export CI_IMAGE_NAME_TAG="quay.io/centos/centos:stream10"
-export CI_BASE_PACKAGES="gcc-c++ glibc-devel libstdc++-devel ccache make ninja-build git python3 python3-pip which patch xz procps-ng rsync coreutils bison e2fsprogs cmake dash"
+export CI_BASE_PACKAGES="gcc-c++ glibc-devel libstdc++-devel ccache make ninja-build git python3 python3-pip which patch xz procps-ng rsync coreutils bison e2fsprogs cmake dash net-tools iproute"
 export PIP_PACKAGES="pyzmq pycapnp"
 export DEP_OPTS="DEBUG=1"
 export GOAL="install"

ci/test/02_run_container.sh

@@ -86,7 +86,15 @@ if [ -z "$DANGER_RUN_CI_ON_HOST" ]; then
   docker image prune --force --filter "label=$CI_IMAGE_LABEL"
 
   # shellcheck disable=SC2086
-  CI_CONTAINER_ID=$(docker run --cap-add LINUX_IMMUTABLE $CI_CONTAINER_CAP --rm --interactive --detach --tty \
+  CI_CONTAINER_ID=$(docker run \
+                  --cap-add LINUX_IMMUTABLE \
+                  --cap-add NET_ADMIN \
+                  --cap-add NET_RAW \
+                  $CI_CONTAINER_CAP \
+                  --rm \
+                  --interactive \
+                  --detach \
+                  --tty \
                   --mount "type=bind,src=$BASE_READ_ONLY_DIR,dst=$BASE_READ_ONLY_DIR,readonly" \
                   --mount "${CI_CCACHE_MOUNT}" \
                   --mount "${CI_DEPENDS_MOUNT}" \

ci/test/03_test_script.sh

@@ -167,6 +167,28 @@ if [ "$RUN_CHECK_DEPS" = "true" ]; then
   "${BASE_ROOT_DIR}/contrib/devtools/check-deps.sh" "${BASE_BUILD_DIR}"
 fi
 
+function get_interfaces()
+{
+  set -o pipefail
+  ifconfig | awk -F ':| ' '/^[^[:space:]]/ { if (!match($1, /^lo/)) { print $1 } }'
+  set +o pipefail
+}
+
+# ip_addr_on_interface (add|del) ip_address interface_name
+function ip_addr_on_interface()
+{
+  op=$1
+  ip_addr=$2
+  interface=$3
+  if which ip > /dev/null 2>&1 ; then
+    if [ "$op" = "add" ] ; then
+      ip addr add "$ip_addr" dev "$interface"
+    else
+      ip addr del "$ip_addr" dev "$interface"
+    fi
+  fi
+}
+
 if [ "$RUN_UNIT_TESTS" = "true" ]; then
   DIR_UNIT_TEST_DATA="${DIR_UNIT_TEST_DATA}" \
   LD_LIBRARY_PATH="${DEPENDS_DIR}/${HOST}/lib" \
@@ -178,6 +200,11 @@ if [ "$RUN_UNIT_TESTS" = "true" ]; then
 fi
 
 if [ "$RUN_FUNCTIONAL_TESTS" = "true" ]; then
+  non_loopback_interface=$(get_interfaces |head -1)
+  if [ -n "$non_loopback_interface" ] ; then
+    ip_addr_on_interface "add" "1.1.1.1/32" "$non_loopback_interface"
+    ip_addr_on_interface "add" "2.2.2.2/32" "$non_loopback_interface"
+  fi
   # parses TEST_RUNNER_EXTRA as an array which allows for multiple arguments such as TEST_RUNNER_EXTRA='--exclude "rpc_bind.py --ipv6"'
   eval "TEST_RUNNER_EXTRA=($TEST_RUNNER_EXTRA)"
   LD_LIBRARY_PATH="${DEPENDS_DIR}/${HOST}/lib" \
@@ -190,6 +217,10 @@ if [ "$RUN_FUNCTIONAL_TESTS" = "true" ]; then
     "${TEST_RUNNER_EXTRA[@]}" \
     --quiet \
     --failfast
+  if [ -n "$non_loopback_interface" ] ; then
+    ip_addr_on_interface "del" "1.1.1.1/32" "$non_loopback_interface"
+    ip_addr_on_interface "del" "2.2.2.2/32" "$non_loopback_interface"
+  fi
 fi
 
 if [ "${RUN_TIDY}" = "true" ]; then