Initial work on nginx-unit support

Signed-off-by: Alexander Olofsson <ace@haxalot.com>

Dockerfile-unit.template

@@ -0,0 +1,153 @@
+FROM nginx/unit:%%UNIT_VERSION%%-php%%PHP_VERSION%%
+
+# entrypoint.sh and cron.sh dependencies
+RUN set -ex; \
+    \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+        rsync \
+        bzip2 \
+        busybox-static \
+    ; \
+    rm -rf /var/lib/apt/lists/*; \
+    \
+    mkdir -p /var/spool/cron/crontabs; \
+    echo '*/%%CRONTAB_INT%% * * * * php -f /var/www/html/cron.php' > /var/spool/cron/crontabs/www-data
+
+# install the PHP extensions we need
+# see https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html
+ENV PHP_MEMORY_LIMIT 512M
+ENV PHP_UPLOAD_LIMIT 512M
+RUN set -ex; \
+    \
+    savedAptMark="$(apt-mark showmanual)"; \
+    \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+        libcurl4-openssl-dev \
+        libevent-dev \
+        libfreetype6-dev \
+        libicu-dev \
+        libjpeg-dev \
+        libldap-common \
+        libldap2-dev \
+        libmcrypt-dev \
+        libmemcached-dev \
+        libpng-dev \
+        libpq-dev \
+        libxml2-dev \
+        libmagickwand-dev \
+        libzip-dev \
+        libwebp-dev \
+        libgmp-dev \
+    ; \
+    \
+    debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
+    if [ ! -e /usr/include/gmp.h ]; then ln -s /usr/include/$debMultiarch/gmp.h /usr/include/gmp.h; fi;\
+    docker-php-ext-configure gd --with-freetype --with-jpeg --with-webp; \
+    docker-php-ext-configure gmp --with-gmp="/usr/include/$debMultiarch"; \
+    docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch"; \
+    docker-php-ext-install -j "$(nproc)" \
+        bcmath \
+        exif \
+        gd \
+        intl \
+        ldap \
+        opcache \
+        pcntl \
+        pdo_mysql \
+        pdo_pgsql \
+        zip \
+        gmp \
+    ; \
+    \
+# pecl will claim success even if one install fails, so we need to perform each install separately
+    pecl install APCu-%%APCU_VERSION%%; \
+    pecl install memcached-%%MEMCACHED_VERSION%%; \
+    pecl install redis-%%REDIS_VERSION%%; \
+    pecl install imagick-%%IMAGICK_VERSION%%; \
+    \
+    docker-php-ext-enable \
+        apcu \
+        memcached \
+        redis \
+        imagick \
+    ; \
+    rm -r /tmp/pear; \
+    \
+# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+    apt-mark auto '.*' > /dev/null; \
+    apt-mark manual $savedAptMark; \
+    ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+        | awk '/=>/ { print $3 }' \
+        | sort -u \
+        | xargs -r dpkg-query -S \
+        | cut -d: -f1 \
+        | sort -u \
+        | xargs -rt apt-mark manual; \
+    \
+    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+    rm -rf /var/lib/apt/lists/*
+
+# set recommended PHP.ini settings
+# see https://docs.nextcloud.com/server/stable/admin_manual/configuration_server/server_tuning.html#enable-php-opcache
+RUN { \
+        echo 'opcache.enable=1'; \
+        echo 'opcache.interned_strings_buffer=8'; \
+        echo 'opcache.max_accelerated_files=10000'; \
+        echo 'opcache.memory_consumption=128'; \
+        echo 'opcache.save_comments=1'; \
+        echo 'opcache.revalidate_freq=1'; \
+    } > /usr/local/etc/php/conf.d/opcache-recommended.ini; \
+    \
+    echo 'apc.enable_cli=1' >> /usr/local/etc/php/conf.d/docker-php-ext-apcu.ini; \
+    \
+    { \
+        echo 'memory_limit=${PHP_MEMORY_LIMIT}'; \
+        echo 'upload_max_filesize=${PHP_UPLOAD_LIMIT}'; \
+        echo 'post_max_size=${PHP_UPLOAD_LIMIT}'; \
+    } > /usr/local/etc/php/conf.d/nextcloud.ini; \
+    \
+    mkdir /var/www/data; \
+    chown -R www-data:root /var/www; \
+    chmod -R g=u /var/www
+
+VOLUME /var/www/html
+%%VARIANT_EXTRAS%%
+
+ENV NEXTCLOUD_VERSION %%VERSION%%
+
+RUN set -ex; \
+    fetchDeps=" \
+        gnupg \
+        dirmngr \
+    "; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends $fetchDeps; \
+    \
+    curl -fsSL -o nextcloud.tar.bz2 \
+        "%%BASE_DOWNLOAD_URL%%/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2"; \
+    curl -fsSL -o nextcloud.tar.bz2.asc \
+        "%%BASE_DOWNLOAD_URL%%/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2.asc"; \
+    export GNUPGHOME="$(mktemp -d)"; \
+# gpg key from https://nextcloud.com/nextcloud.asc
+    gpg --batch --keyserver keyserver.ubuntu.com --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
+    gpg --batch --verify nextcloud.tar.bz2.asc nextcloud.tar.bz2; \
+    tar -xjf nextcloud.tar.bz2 -C /usr/src/; \
+    gpgconf --kill all; \
+    rm nextcloud.tar.bz2.asc nextcloud.tar.bz2; \
+    rm -rf "$GNUPGHOME" /usr/src/nextcloud/updater; \
+    mkdir -p /usr/src/nextcloud/data; \
+    mkdir -p /usr/src/nextcloud/custom_apps; \
+    chmod +x /usr/src/nextcloud/occ; \
+    \
+    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false $fetchDeps; \
+    rm -rf /var/lib/apt/lists/*
+
+COPY *.sh upgrade.exclude /
+COPY config/* /usr/src/nextcloud/config/
+
+COPY nextcloud-unit.json /docker-entrypoint.d/
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["%%CMD%%"]

docker-entrypoint.sh

@@ -47,9 +47,29 @@ if expr "$1" : "apache" 1>/dev/null; then
     if [ -n "${APACHE_DISABLE_REWRITE_IP+x}" ]; then
         a2disconf remoteip
     fi
+elif expr "$1" : "unitd" 1>/dev/null; then
+    echo "Launching Unit daemon to perform initial configuration..."
+    unitd --control unix:/var/run/control.unit.sock
+
+    while [ ! -S /var/run/control.unit.sock ]; do echo "Waiting for control socket to be created..."; sleep 0.5; done
+    # Even when the control socket exists, it does not mean unit has finished initialisation
+    # This curl call will get a reply once unit is fully launched
+    curl -s -X GET --unix-socket /var/run/control.unit.sock http://localhost/
+
+    RET=$(/usr/bin/curl -s -w '%{http_code}' -X PUT --data-binary @/docker-entrypoint.d/nextcloud-unit.json --unix-socket /var/run/control.unit.sock http://localhost/config)
+    RET_BODY=$(echo $RET | head -c -4)
+    RET_STATUS=$(echo $RET | tail -c 4)
+    if [ "$RET_STATUS" -ne "200" ]; then
+        echo "Error: HTTP response status code is '$RET_STATUS'"
+        echo "$RET_BODY"
+        return 1
+    fi
+
+    echo "Stopping Unit daemon after initial configuration..."
+    kill -TERM `/bin/cat /var/run/unit.pid`
 fi
 
-if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UPDATE:-0}" -eq 1 ]; then
+if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || expr "$1" : "unitd" 1>/dev/null || [ "${NEXTCLOUD_UPDATE:-0}" -eq 1 ]; then
     if [ -n "${REDIS_HOST+x}" ]; then
 
         echo "Configuring Redis as session handler"
@@ -191,4 +211,14 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
     fi
 fi
 
+if expr "$1" : "unitd" 1>/dev/null; then
+    # Ensure the unitd daemon is stopped after initial configuration
+    while [ -S /var/run/control.unit.sock ]; do
+        echo "Waiting for control socket from config load to be removed..."
+        sleep 0.5
+    done
+
+    exec $@
+fi
+
 exec "$@"

nextcloud-unit.json

@@ -0,0 +1,133 @@
+{
+    "listeners": {
+        "*:80": {
+            "pass": "routes"
+        }
+    },
+
+    "routes": [
+        {
+            "match": {
+                "uri": [
+                    "/.well-known/carddav",
+                    "/.well-known/caldav"
+                ]
+            },
+
+            "action": {
+                "return": 301,
+                "location": "/remote.php/dav"
+            }
+        },
+        {
+            "match": {
+                "uri": [
+                    "/.well-known/*"
+                ]
+            },
+
+            "action": {
+                "pass": "applications/nextcloud/index"
+            }
+        },
+        {
+            "match": {
+                "uri": [
+                    "/build/*",
+                    "/tests/*",
+                    "/config/*",
+                    "/lib/*",
+                    "/3rdparty/*",
+                    "/templates/*",
+                    "/data/*",
+                    "/.*",
+                    "/autotest*",
+                    "/occ*",
+                    "/issue*",
+                    "/indie*",
+                    "/db_*",
+                    "/console*"
+                ]
+            },
+
+            "action": {
+                "return": 404
+            }
+        },
+        {
+            "match": {
+                "uri": [
+                    "/core/ajax/update.php*",
+                    "/cron.php*",
+                    "/index.php*",
+                    "/ocm-provider*.php*",
+                    "/ocs-provider*.php*",
+                    "/ocs/v1.php*",
+                    "/ocs/v2.php*",
+                    "/public.php*",
+                    "/remote.php*",
+                    "/status.php*",
+                    "/updater*.php*"
+                ]
+            },
+
+            "action": {
+                "pass": "applications/nextcloud/direct"
+            }
+        },
+        {
+            "match": {
+                "uri": "/ocm-provider*"
+            },
+
+            "action": {
+                "pass": "applications/nextcloud/ocm"
+            }
+        },
+        {
+            "match": {
+                "uri": "/ocs-provider*"
+            },
+
+            "action": {
+                "pass": "applications/nextcloud/ocs"
+            }
+        },
+        {
+            "action": {
+                "share": "/var/www/html/",
+                "fallback": {
+                    "pass": "applications/nextcloud/index"
+                }
+            }
+        }
+    ],
+
+    "applications": {
+        "nextcloud": {
+            "type": "php",
+            "user": "www-data",
+            "processes": {},
+            "targets": {
+                "direct": {
+                    "root": "/var/www/html/"
+                },
+
+                "index": {
+                    "root": "/var/www/html/",
+                    "script": "index.php"
+                },
+
+                "ocm": {
+                    "root": "/var/www/html/ocm-provider/",
+                    "script": "index.php"
+                },
+
+                "ocs": {
+                    "root": "/var/www/html/ocs-provider/",
+                    "script": "index.php"
+                }
+            }
+        }
+    }
+}