adding persistence in Docker volume feature

symlinks for:
openplc.db
persistent.file
mbconfig.cfg
dnp3.cfg
st_files
/persistent -> /workdir/webserver
paths are hardcoded in scripts/start_openplc.sh

Dockerfile

@@ -5,7 +5,18 @@ RUN mkdir /persistent
 VOLUME /persistent
 RUN ./install.sh docker
 RUN touch /persistent/mbconfig.cfg
-RUN ln -s /persistent/mbconfig.cfg /workdir/webserver/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 +1,24 @@
 #!/bin/bash
+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