Remove fastcgi feature (#9864)

images/fastcgi-helloserver/Makefile

@@ -1,59 +0,0 @@
-# Copyright 2020 The Kubernetes Authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Docker image for e2e testing.
-
-# set default shell
-SHELL=/bin/bash -o pipefail -o errexit
-
-DIR:=$(strip $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST)))))
-INIT_BUILDX=$(DIR)/../../hack/init-buildx.sh
-
-SHORT_SHA ?=$(shell git rev-parse --short HEAD)
-TAG ?=v$(shell date +%Y%m%d)-$(SHORT_SHA)
-
-REGISTRY ?= local
-
-IMAGE = $(REGISTRY)/e2e-test-fastcgi-helloserver
-
-# required to enable buildx
-export DOCKER_CLI_EXPERIMENTAL=enabled
-
-# build with buildx
-PLATFORMS?=linux/amd64,linux/arm,linux/arm64
-OUTPUT=
-PROGRESS=plain
-
-build: ensure-buildx
-	docker buildx build \
-		--platform=${PLATFORMS} $(OUTPUT) \
-		--progress=$(PROGRESS) \
-		--pull \
-		-t $(IMAGE):$(TAG) rootfs
-
-# push the cross built image
-push: OUTPUT=--push
-push: build
-
-# enable buildx
-ensure-buildx:
-# this is required for cloudbuild
-ifeq ("$(wildcard $(INIT_BUILDX))","")
-	@curl -sSL https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/hack/init-buildx.sh | bash
-else
-	@exec $(INIT_BUILDX)
-endif
-	@echo "done"
-
-.PHONY: build push ensure-buildx

images/fastcgi-helloserver/cloudbuild.yaml

@@ -1,22 +0,0 @@
-timeout: 1800s
-options:
-  substitution_option: ALLOW_LOOSE
-steps:
-  - name: gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20211118-2f2d816b90
-    entrypoint: bash
-    env:
-      - DOCKER_CLI_EXPERIMENTAL=enabled
-      - SHORT_SHA=$SHORT_SHA
-      - BASE_REF=$_PULL_BASE_REF
-      - REGISTRY=gcr.io/k8s-staging-ingress-nginx
-      # default cloudbuild has HOME=/builder/home and docker buildx is in /root/.docker/cli-plugins/docker-buildx
-      # set the home to /root explicitly to if using docker buildx
-      - HOME=/root
-    args:
-    - -c
-    - |
-      gcloud auth configure-docker \
-      && cd images/fastcgi-helloserver && make push
-substitutions:
-  _GIT_TAG: "12345"
-  _PULL_BASE_REF: "master"

images/fastcgi-helloserver/rootfs/Dockerfile

@@ -1,32 +0,0 @@
-# Copyright 2017 The Kubernetes Authors. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-FROM golang:1.20.4-alpine3.18 as builder
-
-WORKDIR /go/src/k8s.io/ingress-nginx/images/fastcgi
-
-COPY . .
-
-RUN CGO_ENABLED=0 go build -a -installsuffix cgo \
-	-ldflags "-s -w" \
-	-o fastcgi-helloserver main.go
-
-# Use distroless as minimal base image to package the binary
-# Refer to https://github.com/GoogleContainerTools/distroless for more details
-FROM gcr.io/distroless/static:nonroot
-
-COPY --from=builder /go/src/k8s.io/ingress-nginx/images/fastcgi/fastcgi-helloserver /
-USER nonroot:nonroot
-
-CMD ["/fastcgi-helloserver"]

images/fastcgi-helloserver/rootfs/main.go

@@ -1,30 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"net"
-	"net/http"
-	"net/http/fcgi"
-)
-
-func hello(w http.ResponseWriter, r *http.Request) {
-	keys, ok := r.URL.Query()["name"]
-
-	if !ok || len(keys[0]) < 1 {
-		fmt.Fprintf(w, "Hello world!")
-		return
-	}
-
-	key := keys[0]
-	fmt.Fprintf(w, "Hello "+string(key)+"!")
-}
-
-func main() {
-	http.HandleFunc("/hello", hello)
-
-	l, err := net.Listen("tcp", "0.0.0.0:9000")
-	if err != nil {
-		panic(err)
-	}
-	fcgi.Serve(l, nil)
-}