myt/apply-changes.sh

317 lines
7.5 KiB
Bash
Executable File

#!/bin/bash
FORCE=FALSE
IS_USER=FALSE
usage() {
echo "[ERROR] Usage: $0 [-f] [-u] [environment]"
exit 1
}
while getopts ":fu" option
do
case $option in
f)
FORCE=TRUE
;;
u)
IS_USER=TRUE
;;
\?|:)
usage
;;
esac
done
shift $(($OPTIND - 1))
ENV=$1
CONFIG_FILE="myvc.config.json"
if [ ! -f "$CONFIG_FILE" ]; then
echo "[ERROR] Config file not found in working directory."
exit 2
fi
DIR="$(dirname "${BASH_SOURCE[0]}")"
CODE=$(jq -r ".code" "$CONFIG_FILE")
# Production protection
if [ "$ENV" == "production" ]; then
echo ""
echo " ( ( ) ( ( ) ) "
echo " )\ ))\ ) ( /( )\ ) ( ))\ ) ( /( ( /( "
echo "(()/(()/( )\()|()/( ( )\ ) /(()/( )\()) )\())"
echo " /(_))(_)|(_)\ /(_)) )\ (((_) ( )(_))(_)|(_)\ ((_)\ "
echo "(_))(_)) ((_|_))_ _ ((_))\___(_(_()|__)) ((_) _((_)"
echo "| _ \ _ \ / _ \| \| | | ((/ __|_ _|_ _| / _ \| \| |"
echo "| _/ /| (_) | |) | |_| || (__ | | | | | (_) | . |"
echo "|_| |_|_\ \___/|___/ \___/ \___| |_| |___| \___/|_|\_|"
echo ""
if [ "$FORCE" != "TRUE" ]; then
read -p "[INTERACTIVE] Are you sure? (Default: no) [yes|no]: " ANSWER
if [ "$ANSWER" != "yes" ]; then
echo "[INFO] Aborting changes."
exit
fi
fi
fi
# Configuration file
if [ -z "$ENV" ]; then
INI_FILE="$DIR/db.ini"
else
INI_FILE="$PWD/db.$ENV.ini"
fi
if [ ! -f "$INI_FILE" ]; then
echo "[ERROR] DB config file doesn't exists: $INI_FILE"
exit 2
fi
echo "[INFO] Using config file: $INI_FILE"
# Query functions
dbQuery() {
SQL=$1
RETVAL=`echo "$SQL" | mysql --defaults-file="$INI_FILE" --silent --raw`
}
dbExec() {
SQL=$1
echo "$SQL" | mysql --defaults-file="$INI_FILE"
}
dbExecFromFile() {
FILE_PATH=$1
SCHEMA=$2
mysql --defaults-file="$INI_FILE" --default-character-set=utf8 --comments "$SCHEMA" < $FILE_PATH
}
# Fetches database version
COMMIT_SHA=$(git rev-parse HEAD)
echo "[INFO] Commit: $COMMIT_SHA"
dbQuery "SELECT number, gitCommit FROM util.version WHERE code = '$CODE'"
RETVAL=($RETVAL)
DB_VERSION=${RETVAL[0]}
DB_COMMIT=${RETVAL[1]}
echo "[INFO] Database information:"
echo "[INFO] -> Version: $DB_VERSION"
echo "[INFO] -> Commit: $DB_COMMIT"
if [[ ! "$DB_VERSION" =~ ^[0-9]*$ ]]; then
echo "[ERROR] Wrong database version."
exit 3
fi
if [[ -z "$DB_VERSION" ]]; then
DB_VERSION=10000
fi
if [ "$IS_USER" == "TRUE" ]; then
echo "[INFO] User information:"
dbQuery "SELECT LEFT(USER(), INSTR(USER(), '@') - 1)"
DB_USER=$RETVAL
echo "[INFO] -> Name: $DB_USER"
dbQuery "SELECT number, gitCommit FROM util.versionUser WHERE code = '$CODE' AND user = '$DB_USER'"
RETVAL=($RETVAL)
USER_VERSION=${RETVAL[0]}
USER_COMMIT=${RETVAL[1]}
echo "[INFO] -> Version: $USER_VERSION"
echo "[INFO] -> Commit: $USER_COMMIT"
if [ ! -z "$USER_VERSION" ]; then
if [ "$USER_VERSION" -gt "$DB_VERSION" ]; then
DB_VERSION=$USER_VERSION
DB_COMMIT=$USER_COMMIT
fi
fi
fi
# Applies changes
N_CHANGES=0
LAST_APPLIED_VERSION=$DB_VERSION
for DIR_PATH in "$PWD/changes/"*; do
DIR_NAME=$(basename $DIR_PATH)
DIR_VERSION=${DIR_NAME:0:5}
if [ "$DIR_NAME" == "README.md" ]; then
continue
fi
if [[ ! "$DIR_NAME" =~ ^[0-9]{5}(-[a-zA-Z0-9]+)?$ ]]; then
echo "[WARN] Ignoring wrong directory name: $DIR_NAME"
continue
fi
if [ "$DB_VERSION" -ge "$DIR_VERSION" ]; then
echo "[INFO] Ignoring already applied version: $DIR_NAME"
continue
fi
echo "[INFO] Applying version: $DIR_NAME"
for FILE in "$DIR_PATH/"*; do
FILE_NAME=$(basename "$FILE")
if [ "$FILE_NAME" == "*" ]; then
continue
fi
if [[ ! "$FILE_NAME" =~ ^[0-9]{2}-[a-zA-Z0-9_]+\.sql$ ]]; then
echo "[WARN] Ignoring wrong file name: $FILE_NAME"
continue
fi
echo "[INFO] -> $FILE_NAME"
dbExecFromFile "$FILE"
N_CHANGES=$((N_CHANGES + 1))
done
LAST_APPLIED_VERSION=$DIR_VERSION
done
# Applies routines
applyRoutines() {
FILES_CMD=$1
for FILE_PATH in `$FILES_CMD`; do
FILE_NAME=$(basename $FILE_PATH)
if [[ ! "$FILE_PATH" =~ ^routines/ ]]; then
continue
fi
if [[ ! "$FILE_NAME" =~ ^[a-zA-Z0-9_]+\.sql$ ]]; then
echo "[WARN] Ignoring wrong file name: $FILE_NAME"
continue
fi
FILE_REL_PATH=${FILE_PATH//routines\/}
IFS='/' read -ra SPLIT <<< "$FILE_REL_PATH"
SCHEMA=${SPLIT[0]}
NAME=${SPLIT[2]}
NAME=${NAME//\.sql/}
ROUTINE_TYPE=${SPLIT[1]}
case "$ROUTINE_TYPE" in
events)
ROUTINE_TYPE=EVENTS
;;
functions)
ROUTINE_TYPE=FUNCTION
;;
procedures)
ROUTINE_TYPE=PROCEDURE
;;
triggers)
ROUTINE_TYPE=TRIGGER
;;
views)
ROUTINE_TYPE=VIEW
;;
*)
echo "[WARN] Ignoring unknown routine type: $ROUTINE_TYPE"
continue
;;
esac
ROUTINE_NAME="\`$SCHEMA\`.\`$NAME\`"
if [[ -f "$FILE_PATH" ]]; then
ACTION="REPLACE"
else
ACTION="DROP"
fi
echo "[INFO] -> $ROUTINE_TYPE $ROUTINE_NAME: $ACTION"
if [ "$ACTION" == "REPLACE" ]; then
dbExecFromFile "$FILE_PATH" "$SCHEMA"
else
dbExec "DROP $ROUTINE_TYPE IF EXISTS $ROUTINE_NAME"
fi
ROUTINES_CHANGED=$((ROUTINES_CHANGED + 1))
done
}
echo "[INFO] Applying changed routines."
ROUTINES_CHANGED=0
PROCS_FILE=.procs-priv.sql
mysqldump \
--defaults-file="$INI_FILE" \
--no-create-info \
--skip-triggers \
--insert-ignore \
mysql procs_priv > "$PROCS_FILE"
if [[ -z "$DB_COMMIT" ]]; then
ROUTINES_CMD="find routines -type f"
else
ROUTINES_CMD="git diff --name-only $DB_COMMIT -- routines"
fi
applyRoutines "$ROUTINES_CMD"
applyRoutines "git ls-files --others --exclude-standard"
if [ "$ROUTINES_CHANGED" -gt "0" ]; then
dbExecFromFile "$PROCS_FILE" "mysql"
if [ "$?" -eq "0" ]; then
dbExec "FLUSH PRIVILEGES"
rm "$PROCS_FILE"
else
echo "[WARN] An error ocurred when restoring routine privileges, backup saved at $PROCS_FILE"
fi
echo "[INFO] -> $ROUTINES_CHANGED routines have changed."
else
echo "[INFO] -> No routines changed."
rm "$PROCS_FILE"
fi
N_CHANGES=$((N_CHANGES + ROUTINES_CHANGED))
# Displaying summary
if [ "$N_CHANGES" -gt "0" ]; then
if [ "$IS_USER" == "TRUE" ]; then
SQL=(
"INSERT INTO util.versionUser SET "
"code = '$CODE', "
"user = '$DB_USER', "
"number = '$LAST_APPLIED_VERSION', "
"gitCommit = '$COMMIT_SHA' "
"ON DUPLICATE KEY UPDATE "
"number = VALUES(number), "
"gitCommit = VALUES(gitCommit)"
)
else
SQL=(
"INSERT INTO util.version SET "
"code = '$CODE', "
"number = '$LAST_APPLIED_VERSION', "
"gitCommit = '$COMMIT_SHA' "
"ON DUPLICATE KEY UPDATE "
"number = VALUES(number), "
"gitCommit = VALUES(gitCommit)"
)
fi
dbExec "${SQL[*]}"
echo "[INFO] Changes applied succesfully."
else
echo "[INFO] No changes applied."
fi