Add of the host argument to the command line

In order to satisfy the deployement on Docker, I added to the command
line the possibility to specify the host.
I took the opportunity to correct a bug as the migration file name
changed and wasn't updated into this script.
Signed-off-by: Matthieu Berjon <matthieu.berjon@inria.fr>

django/tools/migration.sh

@@ -2,7 +2,6 @@
 #
 
 USER=root
-HOST=localhost
 DB_SRC=allgo
 DB_TGT=allgopy
 TEMP_DIR=/tmp/sql
@@ -16,14 +15,14 @@ DumpDb () {
   mkdir -p $TEMP_DIR
   for t in $TABLES
   do
-    mysqldump -u $USER -h $HOST $DB_SRC $t > $TEMP_DIR/db_$t.sql
+    mysqldump -u $USER -h $1 $DB_SRC $t > $TEMP_DIR/db_$t.sql
   done
 }
 
 
 LoadDb () {
   # We have to first get all the tables (including the ones created by Django)
-  TABLES_TO_DROP=$(mysql -u $USER $DB_TGT -e 'SHOW TABLES;')
+  TABLES_TO_DROP=$(mysql -u $USER -h $1 $DB_TGT -e 'SHOW TABLES;')
   TO_DROP=$(echo $TABLES_TO_DROP | awk '{for(i=2;i<=NF;i++)print $i}')
 
   if [ ${#TO_DROP[@]} -gt 0 ]; then
@@ -31,7 +30,7 @@ LoadDb () {
     do
       # We disable the foreign key constraint check in order to avoid dropping
       # issues. We reactivate it just afterwards
-      mysql -u $USER -h $HOST $DB_TGT -e \
+      mysql -u $USER -h $1 $DB_TGT -e \
         "SET FOREIGN_KEY_CHECKS = 0; DROP TABLE $TABLE; SET FOREIGN_KEY_CHECKS = 1;"
     done
   fi
@@ -44,11 +43,11 @@ LoadDb () {
 
   for TABLE in $TABLES
   do
-    mysql -u $USER -h $HOST $DB_TGT < $TEMP_DIR/db_$TABLE.sql
+    mysql -u $USER -h $1 $DB_TGT < $TEMP_DIR/db_$TABLE.sql
   done
 
   # Apply the migration
-  mysql -u $USER -h $HOST $DB_TGT < tools/migration.sql
+  mysql -u $USER -h $1 $DB_TGT < tools/migration2django.sql
   
   # Tell Django to use the current status of the database and start the migrations
   # from that point
@@ -61,30 +60,32 @@ Help() {
   cat << EOF
 Use: $0 [options]
 Options:
-  -d, --dump        Dump the tables of the allgo database into the sql folder
-  -i, --init        Dump the tables of the allgo database, make the migration
-                    and delete the dump (-d and -l at the same time)
-  -l, --load        Load the tables into the allgopy database
-  -h, --help        Show this help
+  -d, --dump HOST       Dump the tables of the allgo database into the sql
+                        folder
+  -i, --init HOST       Dump the tables of the allgo database, make the
+                        migration and delete the dump (-d and -l at the same
+                        time)
+  -l, --load HOST       Load the tables into the allgopy database
+  -h, --help            Show this help
 EOF
 }
 
-while getopts dilh OPTIONS
+while getopts d:i:l:h OPTIONS
 do
   case $OPTIONS in
 
     d | --dump)
-      DumpDb
+      DumpDb $OPTARG
       ;;
 
     i | --init)
-      DumpDb
-      LoadDb
+      DumpDb $OPTARG
+      LoadDb $OPTARG
       rm -rf $TEMP_DIR
     ;;
 
     l | --load)
-      LoadDb
+      LoadDb $OPTARG
       ;;
 
     h | --help)