redhat PHP 部署
Posted mfrankm
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1.通过catalog部署php过程：
（1）填写catalog表单生成builds,deployment,service等一系列对象，貌似等价于执行oc new-app；
（2）php builds容器启动 执行S2I build；
（3）从GitHub上下载代码；
（4）运行assemble脚本将应用程序源放置在所需的位置；
（5）设置run脚本为CMD 并commit为新的容器镜像到项目的imagestream；
（6）dc拉起生成的镜像实现应用部署 。
2.应用端注意事项：
（1）自定义环境变量 ：代码指定目录.s2i/environment
源生自带的环境变量：
HOSTNAME=41c549462611 PHP_DEFAULT_INCLUDE_PATH=/opt/rh/rh-php72/root/usr/share/pear APP_ROOT=/opt/app-root PHP_VER_SHORT=72 TERM=xterm APP_DATA=/opt/app-root/src DESCRIPTION=PHP 7.2 available as container is a base platform for building and running various PHP 7.2 applications and frameworks. PHP is an html-embedded scripting language. PHP attempts to make it easy for developers to write dynamically generated web pages. PHP also offers built-in database integration for several commercial and non-commercial database management systems, so writing a database-enabled webpage with PHP is fairly simple. The most common use of PHP coding is probably as a replacement for CGI scripts. NODEJS_SCL=rh-nodejs10 HTTPD_VAR_PATH=/opt/rh/httpd24/root/var NAME=php HTTPD_CONFIGURATION_PATH=/opt/app-root/etc/conf.d PATH=/opt/app-root/src/bin:/opt/app-root/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/rh/rh-php72/root/usr/bin HTTPD_VAR_RUN=/var/run/httpd STI_SCRIPTS_URL=image:///usr/libexec/s2i HTTPD_MAIN_CONF_PATH=/etc/httpd/conf PWD=/opt/app-root/src STI_SCRIPTS_PATH=/usr/libexec/s2i SUMMARY=Platform for building and running PHP 7.2 applications PLATFORM=el7 HTTPD_DATA_PATH=/var/www HOME=/opt/app-root/src HTTPD_DATA_ORIG_PATH=/opt/rh/httpd24/root/var/www SHLVL=1 PHP_SYSCONF_PATH=/etc/opt/rh/rh-php72 SCL_ENABLED=rh-php72 PHP_HTTPD_CONF_FILE=rh-php72-php.conf PHP_CONTAINER_SCRIPTS_PATH=/usr/share/container-scripts/php/ HTTPD_MAIN_CONF_D_PATH=/etc/httpd/conf.d PHP_VERSION=7.2 _=/usr/bin/env
（2）适配脚本：如需修改覆盖源镜像脚本即可
assemble 脚本：
#!/bin/bash set -e source ${PHP_CONTAINER_SCRIPTS_PATH}/common.sh shopt -s dotglob echo "---> Installing application source..." mv /tmp/src/* ./ # Fix source directory permissions fix-permissions ./ fix-permissions ${HTTPD_CONFIGURATION_PATH} # Change the npm registry mirror if provided if [ -n "$NPM_MIRROR" ]; then npm config set registry $NPM_MIRROR fi if [ -f composer.json ]; then echo "Found ‘composer.json‘, installing dependencies using composer.phar... " # Install Composer TEMPFILE=$(mktemp) RETRIES=6 for ((i=0; i<$RETRIES; i++)); do if [ -z "$COMPOSER_INSTALLER" ]; then export COMPOSER_INSTALLER="https://getcomposer.org/installer" fi echo "Downloading $COMPOSER_INSTALLER, attempt $((i+1))/$RETRIES" curl -o $TEMPFILE $COMPOSER_INSTALLER && break sleep 10 done if [[ $i == $RETRIES ]]; then echo "Download failed, giving up." exit 1 fi php <$TEMPFILE if [ "$(ls -a /tmp/artifacts/ 2>/dev/null)" ]; then echo "Restoring build artifacts" mv /tmp/artifacts/* $HOME/ fi # Change the repo mirror if provided if [ -n "$COMPOSER_MIRROR" ]; then ./composer.phar config -g repositories.packagist composer $COMPOSER_MIRROR fi # Install App dependencies using Composer ./composer.phar install --no-interaction --no-ansi --optimize-autoloader $COMPOSER_ARGS if [ ! -f composer.lock ]; then echo -e " Consider adding a ‘composer.lock‘ file into your source repository. " fi fi # post-assemble files process_extending_files ./php-post-assemble/ ${PHP_CONTAINER_SCRIPTS_PATH}/post-assemble/ # Fix source directory permissions fix-permissions ./ fix-permissions ${HTTPD_CONFIGURATION_PATH}
run脚本：（启动应用程序以及Apache服务器）
sh-4.2$ cat run #!/bin/bash source ${PHP_CONTAINER_SCRIPTS_PATH}/common.sh export_vars=$(cgroup-limits); export $export_vars export DOCUMENTROOT=${DOCUMENTROOT:-/} # Default php.ini configuration values, all taken # from php defaults. export ERROR_REPORTING=${ERROR_REPORTING:-E_ALL & ~E_NOTICE} export DISPLAY_ERRORS=${DISPLAY_ERRORS:-ON} export DISPLAY_STARTUP_ERRORS=${DISPLAY_STARTUP_ERRORS:-OFF} export TRACK_ERRORS=${TRACK_ERRORS:-OFF} export HTML_ERRORS=${HTML_ERRORS:-ON} export INCLUDE_PATH=${INCLUDE_PATH:-.:/opt/app-root/src:${PHP_DEFAULT_INCLUDE_PATH}} export PHP_MEMORY_LIMIT=${PHP_MEMORY_LIMIT:-128M} export SESSION_NAME=${SESSION_NAME:-PHPSESSID} export SESSION_HANDLER=${SESSION_HANDLER:-files} export SESSION_PATH=${SESSION_PATH:-/tmp/sessions} export SESSION_COOKIE_DOMAIN=${SESSION_COOKIE_DOMAIN:-} export SESSION_COOKIE_HTTPONLY=${SESSION_COOKIE_HTTPONLY:-} export SESSION_COOKIE_SECURE=${SESSION_COOKIE_SECURE:-0} export SHORT_OPEN_TAG=${SHORT_OPEN_TAG:-OFF} # TODO should be dynamically calculated based on container memory limit/16 export OPCACHE_MEMORY_CONSUMPTION=${OPCACHE_MEMORY_CONSUMPTION:-128} export OPCACHE_REVALIDATE_FREQ=${OPCACHE_REVALIDATE_FREQ:-2} export PHPRC=${PHPRC:-${PHP_SYSCONF_PATH}/php.ini} export PHP_INI_SCAN_DIR=${PHP_INI_SCAN_DIR:-${PHP_SYSCONF_PATH}/php.d} envsubst < /opt/app-root/etc/php.ini.template > ${PHP_SYSCONF_PATH}/php.ini envsubst < /opt/app-root/etc/php.d/10-opcache.ini.template > ${PHP_SYSCONF_PATH}/php.d/10-opcache.ini export HTTPD_START_SERVERS=${HTTPD_START_SERVERS:-8} export HTTPD_MAX_SPARE_SERVERS=$((HTTPD_START_SERVERS+10)) if [ -n "${NO_MEMORY_LIMIT:-}" -o -z "${MEMORY_LIMIT_IN_BYTES:-}" ]; then # export HTTPD_MAX_REQUEST_WORKERS=${HTTPD_MAX_REQUEST_WORKERS:-256} else # A simple calculation for MaxRequestWorkers would be: Total Memory / Size Per Apache process. # The total memory is determined from the Cgroups and the average size for the # Apache process is estimated to 15MB. max_clients_computed=$((MEMORY_LIMIT_IN_BYTES/1024/1024/15)) # The MaxClients should never be lower than StartServers, which is set to 5. # In case the container has memory limit set to <64M we pin the MaxClients to 4. [[ $max_clients_computed -le 4 ]] && max_clients_computed=4 export HTTPD_MAX_REQUEST_WORKERS=${HTTPD_MAX_REQUEST_WORKERS:-$max_clients_computed} echo "-> Cgroups memory limit is set, using HTTPD_MAX_REQUEST_WORKERS=${HTTPD_MAX_REQUEST_WORKERS}" fi # pre-start files process_extending_files ${APP_DATA}/php-pre-start/ ${PHP_CONTAINER_SCRIPTS_PATH}/pre-start/ exec httpd -D FOREGROUND
3.php源生镜像：
FROM centos/s2i-base-centos7 # This image provides an Apache+PHP environment for running PHP # applications. EXPOSE 8080 EXPOSE 8443 # Description # This image provides an Apache 2.4 + PHP 7.2 environment for running PHP applications. # Exposed ports: # * 8080 - alternative port for http ENV PHP_VERSION=7.2 PHP_VER_SHORT=72 NAME=php PATH=$PATH:/opt/rh/rh-php72/root/usr/bin ENV SUMMARY="Platform for building and running PHP $PHP_VERSION applications" DESCRIPTION="PHP $PHP_VERSION available as container is a base platform for building and running various PHP $PHP_VERSION applications and frameworks. PHP is an HTML-embedded scripting language. PHP attempts to make it easy for developers to write dynamically generated web pages. PHP also offers built-in database integration for several commercial and non-commercial database management systems, so writing a database-enabled webpage with PHP is fairly simple. The most common use of PHP coding is probably as a replacement for CGI scripts." LABEL summary="${SUMMARY}" description="${DESCRIPTION}" io.k8s.description="${DESCRIPTION}" io.k8s.display-name="Apache 2.4 with PHP ${PHP_VERSION}" io.openshift.expose-services="8080:http" io.openshift.tags="builder,${NAME},${NAME}${PHP_VER_SHORT},rh-${NAME}${PHP_VER_SHORT}" io.openshift.s2i.scripts-url="image:///usr/libexec/s2i" io.s2i.scripts-url="image:///usr/libexec/s2i" name="centos/${NAME}-${PHP_VER_SHORT}-centos7" com.redhat.component="rh-${NAME}${PHP_VER_SHORT}-container" version="${PHP_VERSION}" help="For more information visit https://github.com/sclorg/s2i-${NAME}-container" usage="s2i build https://github.com/sclorg/s2i-php-container.git --context-dir=${PHP_VERSION}/test/test-app centos/${NAME}-${PHP_VER_SHORT}-centos7 sample-server" maintainer="SoftwareCollections.org <sclorg@redhat.com>" # Install Apache httpd and PHP RUN yum install -y centos-release-scl && INSTALL_PKGS="rh-php72 rh-php72-php rh-php72-php-mysqlnd rh-php72-php-pgsql rh-php72-php-bcmath rh-php72-php-gd rh-php72-php-intl rh-php72-php-ldap rh-php72-php-mbstring rh-php72-php-pdo rh-php72-php-process rh-php72-php-soap rh-php72-php-opcache rh-php72-php-xml rh-php72-php-gmp rh-php72-php-pecl-apcu httpd24-mod_ssl" && yum install -y --setopt=tsflags=nodocs $INSTALL_PKGS --nogpgcheck && rpm -V $INSTALL_PKGS && yum -y clean all --enablerepo=‘*‘ ENV PHP_CONTAINER_SCRIPTS_PATH=/usr/share/container-scripts/php/ APP_DATA=${APP_ROOT}/src PHP_DEFAULT_INCLUDE_PATH=/opt/rh/rh-php72/root/usr/share/pear PHP_SYSCONF_PATH=/etc/opt/rh/rh-php72 PHP_HTTPD_CONF_FILE=rh-php72-php.conf HTTPD_CONFIGURATION_PATH=${APP_ROOT}/etc/conf.d HTTPD_MAIN_CONF_PATH=/etc/httpd/conf HTTPD_MAIN_CONF_D_PATH=/etc/httpd/conf.d HTTPD_VAR_RUN=/var/run/httpd HTTPD_DATA_PATH=/var/www HTTPD_DATA_ORIG_PATH=/opt/rh/httpd24/root/var/www HTTPD_VAR_PATH=/opt/rh/httpd24/root/var SCL_ENABLED=rh-php72 # Copy the S2I scripts from the specific language image to $STI_SCRIPTS_PATH COPY ./s2i/bin/ $STI_SCRIPTS_PATH # Copy extra files to the image. COPY ./root/ / # Reset permissions of filesystem to default values RUN /usr/libexec/container-setup && rpm-file-permissions USER 1001 # Set the default CMD to print the usage of the language image CMD $STI_SCRIPTS_PATH/usage
https://github.com/sclorg/s2i-php-container/tree/master/7.2
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