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fix(recover mysql): script + accept any separator in container name #12

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fix(recover mysql): script + accept any separator in container name #12

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32 changes: 21 additions & 11 deletions recovery-docker-mysql.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -5,13 +5,13 @@ BACKUPDIR="/backup/mysql"

# Display a numbered list of containers from the backup directory
echo "Available containers:"
CONTAINERS=($(for file in "$BACKUPDIR"/*.sql.gz; do IFS='-' read -r CONTAINER _ <<< "$(basename "$file" .sql.gz)"; echo "$CONTAINER"; done | sort -u))
mapfile -t CONTAINERS < <(docker ps --format '{{.Names}}:{{.Image}}' | grep 'mysql\|mariadb' | cut -d":" -f1)
for ((i=0; i<${#CONTAINERS[@]}; i++)); do
echo "$((i+1)). ${CONTAINERS[$i]}"
done

# Prompt the user to select a container
read -p "Enter the number of the container: " CONTAINER_NUMBER
read -r -p "Enter the number of the container: " CONTAINER_NUMBER
if [[ ! $CONTAINER_NUMBER =~ ^[0-9]+$ || $CONTAINER_NUMBER -lt 1 || $CONTAINER_NUMBER -gt ${#CONTAINERS[@]} ]]; then
echo "Invalid input. Please enter a valid container number."
exit 1
Expand All @@ -22,13 +22,18 @@ CONTAINER=${CONTAINERS[$((CONTAINER_NUMBER-1))]}

# Display a numbered list of databases for the selected container
echo "Available databases in container $CONTAINER:"
DATABASES=($(for file in "$BACKUPDIR"/*.sql.gz; do IFS='-' read -r FILE_CONTAINER FILE_DATABASE _ <<< "$(basename "$file" .sql.gz)"; if [ "$FILE_CONTAINER" == "$CONTAINER" ]; then echo "$FILE_DATABASE"; fi>
mapfile -t DATABASES < <(for file in "$BACKUPDIR"/"$CONTAINER"*sql.gz; do
filename=$(basename "$file" .sql.gz)
db_part=${filename#"$CONTAINER"[^[:alnum:]]} # Remove container prefix and any separator
db_name=${db_part:0:-13} # Remove timestamp and its separator
echo "$db_name"
done | sort -u)
for ((i=0; i<${#DATABASES[@]}; i++)); do
echo "$((i+1)). ${DATABASES[$i]}"
done

# Prompt the user to select a database
read -p "Enter the number of the database: " DATABASE_NUMBER
read -r -p "Enter the number of the database: " DATABASE_NUMBER
if [[ ! $DATABASE_NUMBER =~ ^[0-9]+$ || $DATABASE_NUMBER -lt 1 || $DATABASE_NUMBER -gt ${#DATABASES[@]} ]]; then
echo "Invalid input. Please enter a valid database number."
exit 1
Expand All @@ -39,7 +44,12 @@ DATABASENAME=${DATABASES[$((DATABASE_NUMBER-1))]}

# Display a numbered list of timestamps for the selected container and database
echo "Available timestamps for container $CONTAINER and database $DATABASENAME:"
TIMESTAMPS=($(for file in "$BACKUPDIR"/*.sql.gz; do IFS='-' read -r FILE_CONTAINER FILE_DATABASE FILE_TIMESTAMP _ <<< "$(basename "$file" .sql.gz)"; if [ "$FILE_CONTAINER" == "$CONTAINER" ] && [ "$FILE_DAT>
mapfile -t TIMESTAMPS < <(for file in "$BACKUPDIR"/"$CONTAINER"*"$DATABASENAME"*sql.gz; do
filename=$(basename "$file" .sql.gz)
# Extract timestamp (12 digits) from the end of filename
timestamp=${filename:(-12)}
echo "$timestamp"
done | sort -u)
for ((i=0; i<${#TIMESTAMPS[@]}; i++)); do
# Manually split and format the timestamp as YYYY-MM-DD HH:mm
YEAR=${TIMESTAMPS[$i]:0:4}
Expand All @@ -52,7 +62,7 @@ for ((i=0; i<${#TIMESTAMPS[@]}; i++)); do
done

# Prompt the user to select a timestamp
read -p "Enter the number of the timestamp: " TIMESTAMP_NUMBER
read -r -p "Enter the number of the timestamp: " TIMESTAMP_NUMBER
if [[ ! $TIMESTAMP_NUMBER =~ ^[0-9]+$ || $TIMESTAMP_NUMBER -lt 1 || $TIMESTAMP_NUMBER -gt ${#TIMESTAMPS[@]} ]]; then
echo "Invalid input. Please enter a valid timestamp number."
exit 1
Expand All @@ -65,18 +75,18 @@ TIMESTAMP=${TIMESTAMPS[$((TIMESTAMP_NUMBER-1))]}
FILENAME="$CONTAINER-$DATABASENAME-$TIMESTAMP.sql.gz"

# Set the MySQL password in the MYSQL_PWD variable
MYSQL_PWD=$(docker exec $CONTAINER env | grep MYSQL_ROOT_PASSWORD | cut -d"=" -f2)
MYSQL_PWD=$(docker exec "$CONTAINER" env | grep MYSQL_ROOT_PASSWORD | cut -d"=" -f2)

# Display confirmation prompt
read -p "Confirm recovery of DB $DATABASENAME in Container $CONTAINER from $TIMESTAMP_FORMATTED? (yes/y): " CONFIRMATION
if [[ ! $CONFIRMATION =~ ^[Yy][Ee][Ss]|[Yy]$ ]]; then
read -r -p "Confirm recovery of DB $DATABASENAME in Container $CONTAINER from $TIMESTAMP_FORMATTED? (yes/y): " CONFIRMATION
if [[ ! $CONFIRMATION =~ ^([Yy][Ee][Ss]|[Yy])$ ]]; then
echo "Recovery canceled by user."
exit 1
fi

# Execute the desired command and capture the output
OUTPUT=$(zcat "$BACKUPDIR/$FILENAME" | docker exec -i $CONTAINER /usr/bin/mysql -u root --password=$MYSQL_PWD $DATABASENAME 2>&1)
OUTPUT=$(zcat "$BACKUPDIR/$FILENAME" | docker exec -i "$CONTAINER" /usr/bin/mysql -u root --password="$MYSQL_PWD" "$DATABASENAME" 2>&1)

# Display the output
echo "Output of MySQL command:"
echo "$OUTPUT"
echo "$OUTPUT"