dhi helper

add mysql setup script for user for dhi images on k8s

Author: Tob1as

conf/mysql-setup-preparation.sh

@@ -0,0 +1,61 @@
+#!/bin/sh
+
+: "${MYSQL_SETUP_ENABLED:="0"}"                  # set to 1 to enable
+: "${MYSQL_HOST:=""}"                            # set Host of MySQL/MariaDB Server
+: "${MYSQL_PORT:="3306"}"                        # set Port of MySQL/MariaDB Server
+: "${MYSQL_ROOT_PASSWORD:=""}"                   # set MySQL Root Password
+: "${MYSQL_DATABASE:=""}"                        # set Databasename for User
+: "${MYSQL_USER:=""}"                            # set Username
+: "${MYSQL_PASSWORD:=""}"                        # set Password for User
+: "${MYSQL_EXPORTER_USER:="exporter"}"           # set Exporter-Username, default: exporter
+: "${MYSQL_EXPORTER_PASSWORD:=""}"               # set Password for Exporter-Username
+: "${MYSQL_EXPORTER_MAXUSERCONNECTIONS:="0"}"    # max connection, set to 0 for unlimited, recommended: 3
+
+host='%'  # set '%' to allow from all host
+options='--skip-ssl-verify-server-cert'
+
+if [ "$MYSQL_SETUP_ENABLED" -eq "1" -a -n "$MYSQL_HOST" -a -n "$MYSQL_PORT" -a -n "$MYSQL_ROOT_PASSWORD" ]; then
+    echo ">> MySQL Setup preparation on Host ${MYSQL_HOST} and Port ${MYSQL_PORT} ..."
+
+    echo ">> MySQL waiting for Server ..."
+    until mariadb-admin ping -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u root --password="${MYSQL_ROOT_PASSWORD}" ${options} --skip-verbose --silent >/dev/null 2>&1; do
+        sleep 2
+    done
+    echo ">> MySQL Server ready ..."
+
+    # User
+    if [ -n "$MYSQL_USER" -a -n "$MYSQL_PASSWORD" -a -n "$MYSQL_DATABASE" ]; then
+        echo ">> MySQL Database (${MYSQL_DATABASE}) and User (${MYSQL_USER}) ..."
+        mariadb -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u root --password="${MYSQL_ROOT_PASSWORD}" ${options} -sNe \
+        "SELECT user FROM mysql.user WHERE user = '${MYSQL_USER}' GROUP BY user;" \
+        | grep -q ${MYSQL_USER} \
+        || mariadb -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u root --password="${MYSQL_ROOT_PASSWORD}" ${options} -sN <<EOSQL
+        CREATE DATABASE IF NOT EXISTS ${MYSQL_DATABASE};
+        CREATE USER IF NOT EXISTS '${MYSQL_USER}'@'${host}' IDENTIFIED BY '${MYSQL_PASSWORD}';
+        GRANT ALL PRIVILEGES ON ${MYSQL_DATABASE}.* TO '${MYSQL_USER}'@'${host}';
+        FLUSH PRIVILEGES;
+EOSQL
+    else
+        echo ">> MySQL Database (${MYSQL_DATABASE}) and User (${MYSQL_USER}) skipped."
+    fi
+
+    # Exporter
+    if [ -n "$MYSQL_EXPORTER_USER" -a -n "$MYSQL_EXPORTER_PASSWORD" -a -n "$MYSQL_EXPORTER_MAXUSERCONNECTIONS" ]; then
+        echo ">> MySQL Exporter-User (${MYSQL_EXPORTER_USER}) ..."
+        mariadb -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u root --password="${MYSQL_ROOT_PASSWORD}" ${options} -sNe \
+        "SELECT user FROM mysql.user WHERE user = '${MYSQL_EXPORTER_USER}' GROUP BY user;" \
+        | grep -q ${MYSQL_EXPORTER_USER} \
+        || mariadb -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u root --password="${MYSQL_ROOT_PASSWORD}" ${options} -sN <<EOSQL
+        CREATE USER IF NOT EXISTS '${MYSQL_EXPORTER_USER}'@'${host}' IDENTIFIED BY '${MYSQL_EXPORTER_PASSWORD}' WITH MAX_USER_CONNECTIONS ${MYSQL_EXPORTER_MAXUSERCONNECTIONS};
+        GRANT PROCESS, REPLICATION CLIENT, SELECT ON *.* TO '${MYSQL_EXPORTER_USER}'@'${host}';
+        FLUSH PRIVILEGES;
+EOSQL
+    else
+        echo ">> MySQL Exporter-User (${MYSQL_EXPORTER_USER}) skipped."
+    fi
+
+    # checks
+    echo ">> MySQL checks:"
+    mariadb -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u root --password="${MYSQL_ROOT_PASSWORD}" ${options} -e 'SELECT user, host, max_user_connections FROM mysql.user;'
+    mariadb -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u root --password="${MYSQL_ROOT_PASSWORD}" ${options} -e 'SELECT host, user, db FROM mysql.db;'
+fi

dhi.alpine.helper.Dockerfile

@@ -16,6 +16,7 @@ echo $?
 EOF
 
 COPY conf/wsc-setup-preparation.sh /usr/local/bin/wsc-setup-preparation.sh
+COPY conf/mysql-setup-preparation.sh /usr/local/bin/mysql-setup-preparation.sh
 
 RUN chmod +x /usr/local/bin/*.sh
 
@@ -52,8 +53,7 @@ RUN \
 # List directory and file structure
 #RUN tree /apkroot
 
-COPY --from=dev-alpine /usr/local/bin/php-fpm-healthcheck.sh /apkroot/usr/local/bin/php-fpm-healthcheck.sh
-COPY --from=dev-alpine /usr/local/bin/wsc-setup-preparation.sh /apkroot/usr/local/bin/wsc-setup-preparation.sh
+COPY --from=dev-alpine /usr/local/bin/ /apkroot/usr/local/bin/
 
 RUN tree /apkroot