Add e2e tests for Ingresses without host fields.

Forgot it in the previous commit.

test/e2e/ingresses/Makefile

+# Copyright (c) 2020 UPLEX Nils Goroll Systemoptimierung
+# All rights reserved
+#
+# Author: Geoffrey Simmons <geoffrey.simmons@uplex.de>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+# GNU make is required.
+
+mkpath := $(abspath $(lastword $(MAKEFILE_LIST)))
+mkdir := $(dir $(mkpath))
+
+CHARTDIR=$(mkdir)/../../../charts
+TESTDIR=$(mkdir)/../..
+
+all: deploy
+
+no-kubectl:
+	$(warning This test runs with helm only)
+	@true
+
+ifeq ($(DEPLOY),kubectl)
+deploy-fanout-nohost verify-fanout-nohost wait uninstall undeploy: no-kubectl
+deploy-vhost-nohost verify-vhost-nohost: no-kubectl
+else
+
+deploy-fanout-nohost:
+	@helm install viking-ingress $(CHARTDIR)/viking-test-app \
+		--values values-fanout-nohost.yaml
+
+deploy-vhost-nohost:
+	@helm install viking-ingress $(CHARTDIR)/viking-test-app \
+		--values values-vhost-nohost.yaml
+
+# TESTOPTS are passed to varnishtest, e.g.: make TESTOPTS=-v verify
+verify-fanout-nohost:
+	$(mkdir)/verify.sh fanout-nohost.vtc
+
+verify-vhost-nohost:
+	$(mkdir)/verify.sh vhost-nohost.vtc
+
+wait:
+	@echo Waiting until varnish-ingress Pods are not configured for Ingress
+	$(TESTDIR)/wait.sh app=varnish-ingress
+
+uninstall:
+	@helm uninstall viking-ingress
+
+undeploy: uninstall wait
+endif
+
+no-example:
+	$(error EXAMPLE must be set to fanout-nohost or vhost-nohost)
+
+ifeq ($(EXAMPLE),fanout-nohost)
+deploy: deploy-fanout-nohost
+verify: verify-fanout-nohost
+else ifeq ($(EXAMPLE),vhost-nohost)
+deploy: deploy-vhost-nohost
+verify: verify-vhost-nohost
+else
+deploy verify: no-example
+endif
+
+.PHONY: all $(MAKECMDGOALS)

test/e2e/ingresses/fanout-nohost.vtc

+# looks like -*- vcl -*-
+
+varnishtest "simple fanout by path with no host specified in Ingress"
+
+client c1 -connect "${localhost} ${localport}" {
+	txreq -url /coffee/foo/bar -hdr "Host: example.com"
+	rxresp
+	expect resp.status == 200
+	expect resp.body ~ "(?m)^URI: /coffee/foo/bar$"
+	expect resp.body ~ "(?m)^Server name: coffee-[a-z0-9]+-[a-z0-9]+$"
+
+	txreq -url /tea/baz/quux -hdr "Host: example.org"
+	rxresp
+	expect resp.status == 200
+	expect resp.body ~ "(?m)^URI: /tea/baz/quux$"
+	expect resp.body ~ "(?m)^Server name: tea-[a-z0-9]+-[a-z0-9]+$"
+
+	txreq -url /coffee/foo/bar
+	rxresp
+	expect resp.status == 200
+	expect resp.body ~ "(?m)^URI: /coffee/foo/bar$"
+	expect resp.body ~ "(?m)^Server name: coffee-[a-z0-9]+-[a-z0-9]+$"
+
+	txreq -url /tea/baz/quux
+	rxresp
+	expect resp.status == 200
+	expect resp.body ~ "(?m)^URI: /tea/baz/quux$"
+	expect resp.body ~ "(?m)^Server name: tea-[a-z0-9]+-[a-z0-9]+$"
+
+	txreq -url /milk
+	rxresp
+	expect resp.status == 404
+} -run

test/e2e/ingresses/values-fanout-nohost.yaml

+apps:
+  coffee:
+    image: uplex/http-echo
+    replicas: 2
+    targetPort: 7357
+  tea:
+    image: uplex/http-echo
+    replicas: 3
+    targetPort: 7357
+
+ingress:
+  name: fanout-nohost-ingress
+  rules:
+  - paths:
+    - path: /tea
+      app: tea
+    - path: /coffee
+      app: coffee

test/e2e/ingresses/values-vhost-nohost.yaml

+apps:
+  coffee:
+    image: uplex/http-echo
+    replicas: 2
+    targetPort: 7357
+  tea:
+    image: uplex/http-echo
+    replicas: 3
+    targetPort: 7357
+  milk:
+    image: uplex/http-echo
+    replicas: 2
+    targetPort: 7357
+
+# Routing by host, where one rule specifies no host.
+ingress:
+  name: vhost-nohost-ingress
+  rules:
+  - host: coffee.example.com
+    paths:
+    - path: /
+      app: coffee
+  - host: tea.example.com
+    paths:
+    - path: /
+      app: tea
+  - paths:
+    - path: /
+      app: milk

test/e2e/ingresses/verify.sh

+#! /bin/bash -ex
+
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 file.vtc"
+    exit 1
+fi
+
+MYDIR=$(dirname ${BASH_SOURCE[0]})
+source ${MYDIR}/../../utils.sh
+
+LOCALPORT=${LOCALPORT:-8888}
+
+wait_until_ready app=varnish-ingress
+wait_until_configured app=varnish-ingress
+
+kubectl port-forward svc/varnish-ingress ${LOCALPORT}:80 >/dev/null &
+trap 'kill $(jobs -p)' EXIT
+wait_for_port ${LOCALPORT}
+
+varnishtest ${TESTOPTS} -Dlocalport=${LOCALPORT} $1

test/e2e/ingresses/vhost-nohost.vtc

+# looks like -*- vcl -*-
+
+varnishtest "simple fanout by path with no host specified in Ingress"
+
+client c1 -connect "${localhost} ${localport}" {
+	txreq -url /foo/bar -hdr "Host: coffee.example.com"
+	rxresp
+	expect resp.status == 200
+	expect resp.body ~ "(?m)^URI: /foo/bar$"
+	expect resp.body ~ "(?m)^Server name: coffee-[a-z0-9]+-[a-z0-9]+$"
+
+	txreq -url /baz/quux -hdr "Host: tea.example.com"
+	rxresp
+	expect resp.status == 200
+	expect resp.body ~ "(?m)^URI: /baz/quux$"
+	expect resp.body ~ "(?m)^Server name: tea-[a-z0-9]+-[a-z0-9]+$"
+
+	txreq -url / -hdr "Host: other.example.com"
+	rxresp
+	expect resp.status == 200
+	expect resp.body ~ "(?m)^URI: /"
+	expect resp.body ~ "(?m)^Server name: milk-[a-z0-9]+-[a-z0-9]+$"
+
+	txreq -url /foo/bar/baz/quux
+	rxresp
+	expect resp.status == 200
+	expect resp.body ~ "(?m)^URI: /foo/bar/baz/quux$"
+	expect resp.body ~ "(?m)^Server name: milk-[a-z0-9]+-[a-z0-9]+$"
+} -run