tt-rss updates feeds (introducing OpenRC)

this is a big change: OpenRC introduced to tt-rss container.
However, this also means that environment variables set in
docker-compose.yml are not passed to apache.

docker/Dockerfile-tt-rss

@@ -1,7 +1,30 @@
 FROM ulsmith/alpine-apache-php7
-RUN apk add --update php7-pgsql php7-fileinfo && apk del php7-pdo_mysql php7-pdo_odbc php7-pdo_sqlite db php7-redis php7-ftp && rm -rf /var/cache/apk/
-RUN mkdir -p /app/public/tt-rss/ /var/cache/tt-rss/images /var/cache/tt-rss/upload /var/cache/tt-rss/export /var/cache/tt-rss/js /var/lock/tt-rss/
-RUN chown -R apache:root /app/public /var/cache/tt-rss/ /var/lock/tt-rss/
+RUN apk add --update php7-pgsql php7-fileinfo openrc postgresql-client && apk del php7-pdo_mysql php7-pdo_odbc php7-pdo_sqlite db php7-redis php7-ftp && rm -rf /var/cache/apk/
+RUN mkdir -p /app/public/tt-rss/ /var/cache/tt-rss/images \
+ /var/cache/tt-rss/upload /var/cache/tt-rss/export/ \
+ /var/cache/tt-rss/js /var/lock/tt-rss/ && \
+ chown -R apache:root /app/public /var/cache/tt-rss/ /var/lock/tt-rss/ && \
+# thanks https://github.com/neeravkumar/dockerfiles/blob/master/alpine-openrc/Dockerfile
+# Tell openrc its running inside a container, till now that has meant LXC
+ sed -i 's/#rc_sys=""/rc_sys="lxc"/g' /etc/rc.conf &&\
+# Tell openrc loopback and net are already there, since docker handles the networking
+    echo 'rc_provide="loopback net"' >> /etc/rc.conf &&\
+# can't get ttys unless you run the container in privileged mode
+    sed -i '/tty/d' /etc/inittab &&\
+# can't set hostname since docker sets it
+    sed -i 's/hostname $opts/# hostname $opts/g' /etc/init.d/hostname &&\
+# can't mount tmpfs since not privileged
+    sed -i 's/mount -t tmpfs/# mount -t tmpfs/g' /lib/rc/sh/init.sh &&\
+# can't do cgroups
+sed -i 's/cgroup_add_service$/# cgroup_add_service /g' /lib/rc/sh/openrc-run.sh
+
 COPY tt-rss/* /app/public/tt-rss/
+COPY docker/ttrss-openrc-apache /etc/init.d/apache
+COPY docker/ttrss-openrc-ttrssupdate /etc/init.d/ttrssupdate
+RUN rc-update add apache && rc-update add ttrssupdate
+
+
+ENTRYPOINT []
+CMD ["/sbin/init"]
 
 # vim: set ft=dockerfile:

docker/ttrss-openrc-apache

@@ -0,0 +1,16 @@
+#!/sbin/runscript
+
+start() {
+    ebegin "Starting Apache (with wrapper)"
+    start-stop-daemon --background --start --exec /bootstrap/start.sh \
+        --make-pidfile --pidfile /var/run/apache-start.pid
+    eend $?
+}
+
+
+stop() {
+    ebegin "Stopping Apache (with wrapper)"
+    start-stop-daemon --stop --exec /bootstrap/start.sh \
+        --pidfile /var/run/apache-start.pid
+    eend $?
+}

docker/ttrss-openrc-ttrssupdate

@@ -0,0 +1,20 @@
+#!/sbin/openrc-run
+
+name="ttrssupdate"
+description="continously update tt-rss feeds"
+command="/usr/bin/php7"
+command_args="/app/public/tt-rss/update.php --daemon"
+command_user="apache"
+pidfile="/run/$name.pid"
+start_stop_daemon_args=""
+
+start_pre() {
+    for _ in $(seq 1 60); do
+        if env PGPASSWORD=password-dev psql -h db -U ttrss -w ttrss; then
+            return 0
+        fi
+        einfo "Waiting... ( $? )"
+        sleep 1
+    done
+    return 1
+}

dodo.py

@@ -14,9 +14,12 @@ def task_build():
     '''builda il container docker'''
     return {
         'uptodate': [up2date_anyimages],
-        'file_dep': ['docker-compose.yml', 'docker/Dockerfile-tt-rss'],
+        'file_dep': ['docker-compose.yml', 'docker/Dockerfile-tt-rss',
+                     'docker/ttrss-openrc-apache',
+                     'docker/ttrss-openrc-ttrssupdate'],
         'actions': [COMPOSE + ' build'],
-        'clean': [run_task_func(task__build_rm), run_task_func(task__build_rmi)],
+        'clean': [run_task_func(task__build_rm),
+                  run_task_func(task__build_rmi)],
         'doc': '''
         This task recreates every docker container. While it is automatically run for most changes in the
         development environment, please remember that if you want to run it manually to grab changes in the