Add php kubernetes lib injection tests

.github/workflows/run-lib-injection.yml

@@ -42,7 +42,7 @@ jobs:
           "golang": [],
           "java": [{"name":"dd-lib-java-init-test-app","supported":"true"},{"name":"jdk7-app","supported":"false"}],
           "nodejs": [{"name":"sample-app","supported":"true"},{"name":"sample-app-node13","supported":"false"}],
-          "php": [],
+          "php": [{"name":"dd-lib-php-init-test-83","supported":"true"},{"name":"dd-lib-php-init-test-alpine","supported":"true"}],
           "python": [{"name":"dd-lib-python-init-test-django","supported":"true"}, {"name":"dd-lib-python-init-test-django-gunicorn", "supported":"true"}, {"name":"dd-lib-python-init-test-django-uvicorn","supported":"true"}],
           "ruby": [{"name":"dd-lib-ruby-init-test-rails","supported":"true"}, {"name":"dd-lib-ruby-init-test-rails-explicit","supported":"true"}, {"name":"dd-lib-ruby-init-test-rails-gemsrb","supported":"true"}]
         }
@@ -53,7 +53,7 @@ jobs:
           "golang": [],
           "java": ["gcr.io/datadoghq/dd-lib-java-init:latest"],
           "nodejs": ["gcr.io/datadoghq/dd-lib-js-init:latest"],
-          "php": [],
+          "php": ["gcr.io/datadoghq/dd-lib-php-init:latest"],
           "python": ["gcr.io/datadoghq/dd-lib-python-init:latest"],
           "ruby": ["gcr.io/datadoghq/dd-lib-ruby-init:latest"],
         }
@@ -64,7 +64,7 @@ jobs:
           "golang": [],
           "java": ["ghcr.io/datadog/dd-trace-java/dd-lib-java-init:latest_snapshot"],
           "nodejs": ["ghcr.io/datadog/dd-trace-js/dd-lib-js-init:latest_snapshot"],
-          "php": [],
+          "php": ["ghcr.io/datadog/dd-trace-php/dd-lib-php-init:latest_snapshot"],
           "python": ["ghcr.io/datadog/dd-trace-py/dd-lib-python-init:latest_snapshot"],
           "ruby": ["ghcr.io/datadog/dd-trace-rb/dd-lib-ruby-init:latest_snapshot"],
         }

lib-injection/build/build_lib_injection_images.sh

@@ -15,6 +15,8 @@ variants=(["dd-lib-dotnet-init-test-app"]="dotnet"
           ["dd-lib-ruby-init-test-rails-explicit"]="ruby"
           ["dd-lib-ruby-init-test-rails-gemsrb"]="ruby"
           ["dd-lib-java-init-test-app"]="java"
+          ["dd-lib-php-init-test-83"]="php"
+          ["dd-lib-php-init-test-alpine"]="php"
           )
 docker buildx create --name multiarch --driver docker-container --use
 

lib-injection/build/docker/php/dd-lib-php-init-test-83/Dockerfile

@@ -0,0 +1,8 @@
+FROM public.ecr.aws/docker/library/php:8.3
+
+RUN mkdir /app
+WORKDIR /app
+
+COPY index.php /app
+
+CMD ["php", "-S", "0.0.0.0:18080"]

lib-injection/build/docker/php/dd-lib-php-init-test-83/build.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+if [ -z "${BUILDX_PLATFORMS}" ] ; then
+    BUILDX_PLATFORMS=`docker buildx imagetools inspect --raw python:3.12 | jq -r 'reduce (.manifests[] | [ .platform.os, .platform.architecture, .platform.variant ] | join("/") | sub("\\/$"; "")) as $item (""; . + "," + $item)' | sed 's/,//'`
+fi
+echo "Build for platforms: ${BUILDX_PLATFORMS}"
+docker buildx build --platform ${BUILDX_PLATFORMS} --tag ${LIBRARY_INJECTION_TEST_APP_IMAGE} --push .

lib-injection/build/docker/php/dd-lib-php-init-test-83/index.php

@@ -0,0 +1,3 @@
+<?php
+
+echo 'Hello!';

lib-injection/build/docker/php/dd-lib-php-init-test-alpine/Dockerfile

@@ -0,0 +1,12 @@
+FROM public.ecr.aws/docker/library/alpine:3.20
+
+RUN apk add --update php83 libgcc libcurl bash
+
+RUN mkdir /app
+WORKDIR /app
+
+COPY index.php /app
+
+ENV DD_TRACE_DEBUG 1
+
+CMD ["php","-S","0.0.0.0:18080"]

lib-injection/build/docker/php/dd-lib-php-init-test-alpine/build.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+if [ -z "${BUILDX_PLATFORMS}" ] ; then
+    BUILDX_PLATFORMS=`docker buildx imagetools inspect --raw python:3.12 | jq -r 'reduce (.manifests[] | [ .platform.os, .platform.architecture, .platform.variant ] | join("/") | sub("\\/$"; "")) as $item (""; . + "," + $item)' | sed 's/,//'`
+fi
+echo "Build for platforms: ${BUILDX_PLATFORMS}"
+docker buildx build --platform ${BUILDX_PLATFORMS} --tag ${LIBRARY_INJECTION_TEST_APP_IMAGE} --push .

lib-injection/build/docker/php/dd-lib-php-init-test-alpine/index.php

@@ -0,0 +1,3 @@
+<?php
+
+echo 'Hello!';