add a test dockerfile for php8

src/php/bin/build_all_docker_images.sh

@@ -17,7 +17,7 @@ set -e
 cd $(dirname $0)/../../..
 
 ALL_IMAGES=( grpc-ext grpc-src alpine centos7 php-src php-future php-zts
-             fork-support i386 )
+             fork-support i386 php8 )
 
 if [[ "$1" == "--cmds" ]]; then
   for arg in "${ALL_IMAGES[@]}"

src/php/bin/run_all_docker_images.sh

@@ -17,7 +17,7 @@ set -e
 cd $(dirname $0)/../../..
 
 ALL_IMAGES=( grpc-ext grpc-src alpine centos7 php-src php-future php-zts
-             fork-support i386 )
+             fork-support i386 php8 )
 
 if [[ "$1" == "--cmds" ]]; then
   for arg in "${ALL_IMAGES[@]}"

src/php/docker/php8/Dockerfile

@@ -0,0 +1,45 @@
+# Copyright 2020 gRPC 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.
+
+FROM php:8.0.0RC3-cli-buster
+
+RUN apt-get -qq update && apt-get -qq install -y \
+  autoconf automake git libtool pkg-config \
+  valgrind wget zlib1g-dev
+
+ARG MAKEFLAGS=-j8
+
+
+WORKDIR /tmp
+
+# install pear
+RUN apt-get install expect -y && \
+  curl -LO http://pear.php.net/go-pear.phar && \
+  expect -c 'spawn php ./go-pear.phar; expect "or Enter to continue:"; send "\n"; expect "Currently used php.ini"; send "\n"; expect eof' && \
+  rm go-pear.phar
+
+RUN wget https://phar.phpunit.de/phpunit-5.7.27.phar && \
+  mv phpunit-5.7.27.phar /usr/local/bin/phpunit && \
+  chmod +x /usr/local/bin/phpunit
+
+
+WORKDIR /github/grpc
+
+COPY . .
+
+RUN pear package && \
+  find . -name grpc-*.tgz | xargs -I{} pecl install {}
+
+
+CMD ["/github/grpc/src/php/bin/run_tests.sh", "--skip-persistent-channel-tests", "--ignore-valgrind-undef-errors"]

templates/src/php/docker/php8/Dockerfile.template

@@ -0,0 +1,38 @@
+%YAML 1.2
+--- |
+  # Copyright 2020 gRPC 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.
+
+  FROM php:8.0.0RC3-cli-buster
+
+  RUN apt-get -qq update && apt-get -qq install -y ${'\\'}
+    autoconf automake git libtool pkg-config ${'\\'}
+    valgrind wget zlib1g-dev
+
+  ARG MAKEFLAGS=-j8
+
+
+  WORKDIR /tmp
+
+  # install pear
+  RUN apt-get install expect -y && ${'\\'}
+    curl -LO http://pear.php.net/go-pear.phar && ${'\\'}
+    expect -c 'spawn php ./go-pear.phar; expect "or Enter to continue:"; send "\n"; expect "Currently used php.ini"; send "\n"; expect eof' && ${'\\'}
+    rm go-pear.phar
+
+  <%include file="../download_phpunit.include" />
+
+  <%include file="../pecl_ext_build_src.include" />
+
+  CMD ["/github/grpc/src/php/bin/run_tests.sh", "--skip-persistent-channel-tests", "--ignore-valgrind-undef-errors"]