pica-backup: In mysql and postgresql backup scripts, set backup folder as a variable

pica-backup/mysql-run.sh

@@ -4,6 +4,8 @@ if [ "${MYSQL_ENV_MYSQL_PASS}" == "**Random**" ]; then
         unset MYSQL_ENV_MYSQL_PASS
 fi
 
+BACKUP_FOLDER=${BACKUP_FOLDER:-"/backup/"}
+
 MYSQL_HOST=${MYSQL_PORT_3306_TCP_ADDR:-${MYSQL_HOST}}
 MYSQL_HOST=${MYSQL_PORT_1_3306_TCP_ADDR:-${MYSQL_HOST}}
 MYSQL_PORT=${MYSQL_PORT_3306_TCP_PORT:-${MYSQL_PORT}}
@@ -16,7 +18,7 @@ MYSQL_PASS=${MYSQL_PASS:-${MYSQL_ENV_MYSQL_PASS}}
 [ -z "${MYSQL_USER}" ] && { echo "=> MYSQL_USER cannot be empty" && exit 1; }
 [ -z "${MYSQL_PASS}" ] && { echo "=> MYSQL_PASS cannot be empty" && exit 1; }
 
-BACKUP_CMD="mysqldump -h${MYSQL_HOST} -P${MYSQL_PORT} -u${MYSQL_USER} -p${MYSQL_PASS} ${EXTRA_OPTS} ${MYSQL_DB} > /backup/"'${BACKUP_NAME}'
+BACKUP_CMD="mysqldump -h${MYSQL_HOST} -P${MYSQL_PORT} -u${MYSQL_USER} -p${MYSQL_PASS} ${EXTRA_OPTS} ${MYSQL_DB} > $BACKUP_FOLDER"'${BACKUP_NAME}'
 
 echo "=> Creating backup script"
 rm -f /backup.sh
@@ -31,15 +33,15 @@ if ${BACKUP_CMD} ;then
     echo "   Backup succeeded"
 else
     echo "   Backup failed"
-    rm -rf /backup/\${BACKUP_NAME}
+    rm -rf $BACKUP_FOLDER\${BACKUP_NAME}
 fi
 
 if [ -n "\${MAX_BACKUPS}" ]; then
-    while [ \$(ls /backup -N1 | wc -l) -gt \${MAX_BACKUPS} ];
+    while [ \$(ls $BACKUP_FOLDER -N1 | wc -l) -gt \${MAX_BACKUPS} ];
     do
-        BACKUP_TO_BE_DELETED=\$(ls /backup -N1 | sort | head -n 1)
+        BACKUP_TO_BE_DELETED=\$(ls $BACKUP_FOLDER -N1 | sort | head -n 1)
         echo "   Backup \${BACKUP_TO_BE_DELETED} is deleted"
-        rm -rf /backup/\${BACKUP_TO_BE_DELETED}
+        rm -rf $BACKUP_FOLDER\${BACKUP_TO_BE_DELETED}
     done
 fi
 echo "=> Backup done"
@@ -73,7 +75,7 @@ elif [ -n "${INIT_RESTORE_LATEST}" ]; then
         echo "waiting database container..."
         sleep 1
     done
-    ls -d -1 /backup/* | tail -1 | xargs /restore.sh
+    ls -d -1 $BACKUP_FOLDER* | tail -1 | xargs /restore.sh
 fi
 
 echo "${CRON_TIME} /backup.sh >> /mysql_backup.log 2>&1" > /crontab.conf

pica-backup/postgres-run.sh

 #!/bin/bash
 
+BACKUP_FOLDER=${BACKUP_FOLDER:-"/backup/"}
+
 [ -z "${POSTGRES_HOST}" ] && { echo "=> POSTGRES_HOST cannot be empty" && exit 1; }
 [ -z "${POSTGRES_PORT}" ] && { echo "=> POSTGRES_PORT cannot be empty" && exit 1; }
 [ -z "${POSTGRES_USER}" ] && { echo "=> POSTGRES_USER cannot be empty" && exit 1; }
 [ -z "${POSTGRES_PASS}" ] && { echo "=> POSTGRES_PASS cannot be empty" && exit 1; }
 [ -z "${POSTGRES_DB}" ] && { echo "=> POSTGRES_DB cannot be empty" && exit 1; }
 
-BACKUP_CMD="pg_dump -w -c > /backup/"'${BACKUP_NAME}'
+BACKUP_CMD="pg_dump -w -c > $BACKUP_FOLDER"'${BACKUP_NAME}'
 
 echo "=> Creating backup script"
 rm -f /backup.sh
@@ -26,15 +28,15 @@ if ${BACKUP_CMD} ;then
     echo "   Backup succeeded"
 else
     echo "   Backup failed"
-    rm -rf /backup/\${BACKUP_NAME}
+    rm -rf $BACKUP_FOLDER\${BACKUP_NAME}
 fi
 
 if [ -n "\${MAX_BACKUPS}" ]; then
-    while [ \$(ls /backup -N1 | wc -l) -gt \${MAX_BACKUPS} ];
+    while [ \$(ls $BACKUP_FOLDER -N1 | wc -l) -gt \${MAX_BACKUPS} ];
     do
-        BACKUP_TO_BE_DELETED=\$(ls /backup -N1 | sort | head -n 1)
+        BACKUP_TO_BE_DELETED=\$(ls $BACKUP_FOLDER -N1 | sort | head -n 1)
         echo "   Backup \${BACKUP_TO_BE_DELETED} is deleted"
-        rm -rf /backup/\${BACKUP_TO_BE_DELETED}
+        rm -rf $BACKUP_FOLDER\${BACKUP_TO_BE_DELETED}
     done
 fi
 echo "=> Backup done"
@@ -74,7 +76,7 @@ elif [ -n "${INIT_RESTORE_LATEST}" ]; then
         echo "waiting database container..."
         sleep 1
     done
-    ls -d -1 /backup/* | tail -1 | xargs /restore.sh
+    ls -d -1 $BACKUP_FOLDER* | tail -1 | xargs /restore.sh
 fi
 
 echo "${CRON_TIME} /backup.sh >> /postgres_backup.log 2>&1" > /crontab.conf