.

README.md

@@ -1,2 +1,46 @@
 # duplicati
 
+## Scripts
+
+
+### Environment Variables
+
+_Source: https://github.com/duplicati/duplicati/blob/master/Duplicati/Library/Modules/Builtin/run-script-example.sh_
+
+- DUPLICATI__EVENTNAME
+  
+   Eventname is BEFORE if invoked as --run-script-before, and AFTER if invoked as --run-script-after. This value cannot be changed by writing  it back!
+
+- DUPLICATI__OPERATIONNAME
+  
+    Operation name can be any of the operations that Duplicati supports. For example it can be "Backup", "Cleanup", "Restore", or "DeleteAllButN". This value cannot be changed by writing it back!
+
+- DUPLICATI__RESULTFILE
+  
+    If invoked as --run-script-after this will contain the name of the file where result data is placed. This value cannot be changed by writing it back!
+
+- DUPLICATI__REMOTEURL
+
+    This is the remote url for the target backend. This value can be changed by echoing --remoteurl = "new value".
+
+- DUPLICATI__LOCALPATH
+
+    This is the path to the folders being backed up or restored. This variable is empty operations  other than backup or restore. The local path can contain : to separate multiple folders. This value can be changed by echoing  --localpath = "new value".
+
+- DUPLICATI__PARSED_RESULT
+
+    This is a value indicating how well the operation was performed. It can take the values: Unknown, Success, Warning, Error, Fatal.
+
+### Exit Codes
+
+_Source: https://github.com/duplicati/duplicati/blob/master/Duplicati/Library/Modules/Builtin/run-script-example.sh_
+ 
+The following exit codes are supported:
+
+- 0: OK, run operation
+- 1: OK, don't run operation
+- 2: Warning, run operation
+- 3: Warning, don't run operation
+- 4: Error, run operation
+- 5: Error don't run operation
+- other: Error don't run operation

docker/scripts/backupdb.sh

@@ -1,25 +1,35 @@
 #!/bin/bash
-# Script example for creating a dump
+# mysql database backup.
+# executed by duplicati run-script-before-required
 # required environment variables:
-#   DB_BACKUP_TARGETFOLDER
+#   DESTINATION
 #   DB_HOST
 #   DB_USER
 #   DB_PASSWORD
-#   DB_NAME
-# Duplicati UI configure as a pre script
-# donwload from git
+#   DB_NAME 
+# download directly from git
 # curl  https://git.limbosolutions.com/kb/duplicati/raw/branch/main/docker/scripts/backupdb.sh > backupdb.sh | chmod +x backupdb.sh
 
+#any error must stop execution
 set -e
-if [ -z ${DB_BACKUP_TARGETFOLDER} ]
+
+if [ $DUPLICATI__OPERATIONNAME != "Backup" ]
 then
-      echo "\$DB_BACKUP_TARGETFOLDER cannot be empty empty"
-      exit -1
+    echo "Not a backup operation. exiting!"
+    #OK, run operation
+    return 0
 fi
 
 
+if [ -z ${DESTINATION} ]
+then
+      echo "\$DESTINATION cannot be empty empty"
+      #5: Error don't run operation
+      exit 5
+fi
 
-TARGETFILENAME=db_dump_$(date -d "today" +"%Y%m%d%H%M%S").sql 
+TARGETFILENAME=${DB_NAME}_dump_$(date -d "today" +"%Y%m%d%H%M%S").sql 
+echo "dump file name:$TARGETFILENAME"
 
 if [ -f /tmp/${TARGETFILENAME} ]
 then
@@ -31,9 +41,10 @@ mysqldump -h ${DB_HOST} --user=${DB_USER} -p"${DB_PASSWORD}" ${DB_NAME} > /tmp/$
 
 
 if [ x$(find "$DB_BACKUP_TARGETFOLDER" -prune -empty) = x"$DB_BACKUP_TARGETFOLDER" ]; then
-echo "folder is empty... ignoring clean db dump folder"
+    echo "folder is empty... ignoring clean db dump folder"
 else
-rm -r ${DB_BACKUP_TARGETFOLDER}/* 
+    rm -r ${DB_BACKUP_TARGETFOLDER} /* 
 fi
 
-mv /tmp/${TARGETFILENAME} ${DB_BACKUP_TARGETFOLDER}/${TARGETFILENAME}
+mv /tmp/${TARGETFILENAME} ${DB_BACKUP_TARGETFOLDER}/${TARGETFILENAME}
+return 0

docker/sqlclient.dockerfile

@@ -1,3 +1,11 @@
 FROM duplicati/duplicati
 RUN apt update && apt install -y default-mysql-client && rm -rf /var/lib/apt/lists/*
+# Add metadata identifying these images as our build containers (this will be useful later!)
+
+# clone repository 
+
+
+RUN mkdir duplicati-sqlclient/scripts
+COPY /docker/scripts/* /duplicati-sqlclient/scripts/
+
 EXPOSE 8200