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Bash: mysql-dump function.

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This commit is contained in:
Artem Sapegin
2012-12-12 16:52:53 +04:00
parent 3ccdb8b7e2
commit 50ea796c8a
2 changed files with 52 additions and 0 deletions
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4
docs/Bash.md
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@@ -100,6 +100,10 @@ Create an SSH key and uploads it to the given host.
Upload current directory to special directory on my hosting.
### mysql-dump <ssh_hostname> <mysql_database> [mysql_username] [mysql_host]
Backup remote MySQL database to `~/Backups/hostname/dbname_YYYY-MM-DD.sql.gz`.
## NPM

48
includes/bash_functions.bash
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@@ -70,9 +70,11 @@ function nyan() {
echo -en $RED'-_-_-_-_-_-_-_'
echo -e $NOCOLOR$BOLD',------,'$NOCOLOR
echo -en $YELLOW'_-_-_-_-_-_-_-'
echo -e $NOCOLOR$BOLD'| /\_/\\'$NOCOLOR
echo -en $GREEN'-_-_-_-_-_-_-'
echo -e $NOCOLOR$BOLD'~|__( ^ .^)'$NOCOLOR
echo -en $CYAN'-_-_-_-_-_-_-'
echo -e $NOCOLOR$BOLD'"" ""'$NOCOLOR
echo
}
@@ -176,3 +178,49 @@ function crlf() {
grep -q $'\x0D' "$file" && echo "$file" && [ $force ] && dos2unix "$file"
done
}
# Backup remote MySQL database to ~/Backups/hostname/dbname_YYYY-MM-DD.sql.gz
# USAGE: mysql-dump <ssh_hostname> <mysql_database> [mysql_username] [mysql_host]
mysql-dump() {
local ssh_hostname=$1
local mysql_database=$2
local mysql_username=$3
local mysql_host=$4
local location="$HOME/Backups"
local suffix=$(date +'%Y-%m-%d')
if [[ $ssh_hostname == "" ]] || [[ $mysql_database == "" ]]; then
echo "Usage: mysql-dump <ssh_hostname> <mysql_database> [mysql_username] [mysql_host]"
else
header "Backing up $mysql_database@$ssh_hostname..."
if [[ $mysql_username != "" ]]; then
mysql_username="-u $mysql_username -p "
fi
if [[ $mysql_host != "" ]]; then
mysql_host=" -h $mysql_host"
fi
# Ensure backup directory
local backup_dir="$location/$ssh_hostname"
mkdir -p $backup_dir
# Give the user a warning if the file already exists
local basename=$mysql_database"_"$suffix
local local_filepath="$backup_dir/$basename.sql.gz"
if [ -f "$local_filepath" ]; then
echo -e $RED"WARNING: Backup file '$local_filepath' already exists.$NOCOLOR\nOwerwrite? (Y/N)"
read proceed
if [[ $proceed != "y" ]]; then
return
fi
fi
ssh -C $ssh_hostname "mysqldump --opt --compress $mysql_username$mysql_database$mysql_host | gzip -c" > "$local_filepath"
echo
echo "Done: $local_filepath"
fi
}