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Rewrite local space checks.

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deajan 2013-06-22 22:48:16 +02:00
parent 363148b907
commit 05ea27ac1b
1 changed files with 72 additions and 21 deletions
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93
obackup.sh
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@ -2,7 +2,7 @@
###### Remote (or local) backup script for files & databases
###### (L) 2013 by Ozy de Jong (www.badministrateur.com)
OBACKUP_VERSION=1.83 #### Build 1706201301
OBACKUP_VERSION=1.83 #### Build 2206201301
DEBUG=no
SCRIPT_PID=$$
@ -24,7 +24,8 @@ TOTAL_FILES_SIZE=0 # Total file size of $DIRECTORIES_TO_BACKUP
# /dev/shm/obackup_dblist_$SCRIPT_PID Databases list and sizes
# /dev/shm/obackup_dirs_recurse_list_$SCRIPT_PID Recursive directories list
# /dev/shm/obackup_local_space_$SCRIPT_PID Local free space
# /dev/shm/obackup_local_sql_storage_$SCRIPT_PID Local free space for sql backup
# /dev/shm/obackup_local_file_storage_$SCRIPT_PID Local free space for file backup
# /dev/shm/obackup_fsize_$SCRIPT_PID Size of $DIRECTORIES_TO_BACKUP
# /dev/shm/obackup_rsync_output_$SCRIPT_PID Output of Rsync command
# /dev/shm/obackup_config_$SCRIPT_PID Parsed configuration file
@ -124,7 +125,8 @@ function EscapeSpaces
function CleanUp
{
rm -f /dev/shm/obackup_dblist_$SCRIPT_PID
rm -f /dev/shm/obackup_local_space_$SCRIPT_PID
rm -f /dev/shm/obackup_local_sql_storage_$SCRIPT_PID
rm -f /dev/shm/obackup_local_file_storage_$SCRIPT_PID
rm -f /dev/shm/obackup_dirs_recurse_list_$SCRIPT_PID
rm -f /dev/shm/obackup_fsize_$SCRIPT_PID
rm -f /dev/shm/obackup_rsync_output_$SCRIPT_PID
@ -355,6 +357,12 @@ function SetCompressionOptions
function SetSudoOptions
{
## Add this to support prior config files without RSYNC_EXECUTABLE option
if [ "$RSYNC_EXECUTABLE" == "" ]
then
RSYNC_EXECUTABLE=rsync
fi
if [ "$SUDO_EXEC" == "yes" ]
then
RSYNC_PATH="sudo $(which $RSYNC_EXECUTABLE)"
@ -378,29 +386,72 @@ function CreateLocalStorageDirectories
fi
}
function CheckLocalSpace
function CheckSpaceRequirements
{
# Not elegant solution to make df silent on errors
df -P $LOCAL_FILE_STORAGE > /dev/shm/obackup_local_space_$SCRIPT_PID 2>&1
if [ $? != 0 ]
if [ "$BACKUP_SQL" == "yes" ]
then
LOCAL_SPACE=0
else
LOCAL_SPACE=$(cat /dev/shm/obackup_local_space_$SCRIPT_PID | tail -1 | awk '{print $4}')
if [ -d $LOCAL_SQL_STORAGE ]
then
# Not elegant solution to make df silent on errors
df -P $LOCAL_SQL_STORAGE > /dev/shm/obackup_local_sql_storage_$SCRIPT_PID 2>&1
if [ $? != 0 ]
then
LOCAL_SQL_SPACE=0
else
LOCAL_SQL_SPACE=$(cat /dev/shm/obackup_local_sql_storage_$SCRIPT_PID | tail -1 | awk '{print $4}')
LOCAL_SQL_DRIVE=$(cat /dev/shm/obackup_local_sql_storage_$SCRIPT_PID | tail -1 | awk '{print $1}')
fi
if [ $LOCAL_SQL_SPACE -eq 0 ]
then
LogError "Local sql storage space reported to be 0Ko."
elif [ $LOCAL_SQL_SPACE -lt $TOTAL_DATABASES_SIZE ]
then
LogError "Local disk space may be insufficient to backup files (available space is lower than non compressed databases)."
fi
else
LogError "SQL storage path [$LOCAL_SQL_STORAGE] doesn't exist."
fi
fi
if [ $LOCAL_SPACE -eq 0 ]
if [ "$BACKUP_FILES" == "yes" ]
then
if [ -d $LOCAL_FILE_STORAGE ]
then
df -P $LOCAL_FILE_STORAGE > /dev/shm/obackup_local_file_storage_$SCRIPT_PID 2>&1
if [ $? != 0 ]
then
LOCAL_FILE_SPACE=0
else
LOCAL_FILE_SPACE=$(cat /dev/shm/obackup_local_file_storage_$SCRIPT_PID | tail -1 | awk '{print $4}')
LOCAL_FILE_DRIVE=$(cat /dev/shm/obackup_local_file_storage_$SCRIPT_PID | tail -1 | awk '{print $1}')
fi
if [ $LOCAL_FILE_SPACE -eq 0 ]
then
LogError "Local file storage space reported to be 0Ko."
elif [ $LOCAL_FILE_SPACE -lt $TOTAL_FILES_SIZE ]
then
LogError "Local disk space may be insufficient to backup files (available space is lower than full backup)."
fi
else
LogError "File storage path [$LOCAL_FILE_STORAGE] doesn't exist."
fi
fi
if [ "$LOCAL_SQL_DRIVE" == "$LOCAL_FILE_DRIVE" ]
then
LogError "Local disk space reported to be 0 Ko. This may also happen if local storage path doesn't exist."
elif [ $BACKUP_SIZE_MINIMUM -gt $(($TOTAL_DATABASES_SIZE+$TOTAL_FILES_SIZE)) ]
then
LogError "Backup size is smaller then expected."
LOCAL_SPACE=$LOCAL_FILE_SPACE
else
LOCAL_SPACE=$(($LOCAL_SQL_SPACE+$LOCAL_FILE_SPACE))
fi
if [ $BACKUP_SIZE_MINIMUM -gt $(($TOTAL_DATABASES_SIZE+$TOTAL_FILES_SIZE)) ]
then
LogError "Backup size is smaller then expected."
elif [ $LOCAL_STORAGE_WARN_MIN_SPACE -gt $LOCAL_SPACE ]
then
LogError "Local disk space is lower than warning value ($LOCAL_SPACE free Ko)."
elif [ $LOCAL_SPACE -lt $(($TOTAL_DATABASES_SIZE+$TOTAL_FILES_SIZE)) ]
then
LogError "Local disk space may be insufficient (depending on rsync delta and DB compression ratio)."
LogError "Local disk space is lower than warning value [$LOCAL_STORAGE_WARN_MIN_SPACE Ko]."
fi
Log "Local Space: $LOCAL_SPACE Ko - Databases size: $TOTAL_DATABASES_SIZE Ko - Files size: $TOTAL_FILES_SIZE Ko"
}
@ -895,7 +946,7 @@ function DryRun
Log "Dirs backup list: $DIRECTORIES_TO_BACKUP"
Log "Dirs exclude list: $DIRECTORIES_EXCLUDED_LIST"
CheckLocalSpace
CheckSpaceRequirements
}
function Main
@ -915,7 +966,7 @@ function Main
GetDirectoriesSize
fi
CreateLocalStorageDirectories
CheckLocalSpace
CheckSpaceRequirements
# Make Backup
if [ "$BACKUP_SQL" != "no" ]