Merge pull request #197 from Wawszczak/docker-persistent

Allow OpenPlc Configuration storage outside container in Docker Volumes

Dockerfile

@@ -1,6 +1,22 @@
 FROM debian:bullseye-20211201
-
 COPY . /workdir
 WORKDIR /workdir
+RUN mkdir /persistent
+VOLUME /persistent
 RUN ./install.sh docker
+RUN touch /persistent/mbconfig.cfg
+RUN touch /persistent/persistent.file
+RUN mkdir /persistent/st_files
+RUN cp /workdir/webserver/openplc.db /persistent/openplc.db
+RUN mv /workdir/webserver/openplc.db /workdir/webserver/openplc_default.db
+RUN cp /workdir/webserver/dnp3.cfg /persistent/dnp3.cfg
+RUN mv /workdir/webserver/dnp3.cfg /workdir/webserver/dnp3_default.cfg
+RUN cp /workdir/webserver/st_files/* /persistent/st_files
+run mv /workdir/webserver/st_files /workdir/webserver/st_files_default
+RUN ln -s /persistent/mbconfig.cfg /workdir/webserver/mbconfig.cfg
+RUN ln -s /persistent/persistent.file /workdir/webserver/persistent.file
+RUN ln -s /persistent/openplc.db /workdir/webserver/openplc.db
+RUN ln -s /persistent/dnp3.cfg /workdir/webserver/dnp3.cfg
+RUN ln -s /persistent/st_files /workdir/webserver/st_files
+
 ENTRYPOINT ["./start_openplc.sh"]

webserver/scripts/start_openplc.sh

@@ -1,3 +1,28 @@
 #!/bin/bash
+if [[ ! -d "/persistent" ]]
+then
+    mkdir /persistent
+fi
+if [[ ! -f "/persistent/dnp3.cfg" ]]
+then
+    cp /workdir/webserver/dnp3_default.cfg /persistent/dnp3.cfg 
+fi
+if [[ ! -f "/persistent/openplc.db" ]]
+then
+    cp /workdir/webserver/openplc_default.db /persistent/openplc.db
+fi
+if [[ ! -d "/persistent/st_files" ]]
+then
+    mkdir /persistent/st_files
+    cp /workdir/webserver/st_files_default/* /persistent/st_files
+fi
+if [[ ! -f "/persistent/persistent.file" ]]
+then
+    touch /persistent/persistent.file
+fi
+if [[ ! -f "/persistent/mbconfig.cfg" ]]
+then
+    touch /persistent/mbconfig.cfg
+fi
 cd webserver
 python2.7 webserver.py