Move DB migrator image to be based on Maria DB on photon

tools/migration/Dockerfile

@@ -1,16 +1,11 @@
-FROM mysql:5.6
+FROM vmware/mariadb-photon:10.2.8
 
-MAINTAINER bhe@vmware.com
-
-RUN sed -i -e 's/us.archive.ubuntu.com/archive.ubuntu.com/g' /etc/apt/sources.list
-
-RUN apt-get update
-
-RUN apt-get install -y curl python python-pip git python-mysqldb
-
-RUN pip install alembic
-
-RUN mkdir -p /harbor-migration
+RUN tdnf distro-sync || echo \
+    && tdnf install -y mariadb-devel python2 python2-devel python-pip gcc\
+    linux-api-headers glibc-devel binutils zlib-devel openssl-devel \
+    && pip install mysqlclient alembic \
+    && tdnf clean all \
+    && mkdir -p /harbor-migration
 
 WORKDIR /harbor-migration
 

tools/migration/alembic.tpl

@@ -30,7 +30,7 @@ script_location = migration_harbor
 # are written from script.py.mako
 # output_encoding = utf-8
 
-sqlalchemy.url = mysql://$DB_USR:$DB_PWD@localhost:3306/registry
+sqlalchemy.url = mysql://$DB_USR:$DB_PWD@localhost:3306/registry?unix_socket=/var/run/mysqld/mysqld.sock
 
 # Logging configuration
 [loggers]

tools/migration/run.sh

@@ -8,8 +8,6 @@ fi
 
 source ./alembic.tpl > ./alembic.ini
 
-WAITTIME=60
-
 DBCNF="-hlocalhost -u${DB_USR}"
 
 #prevent shell to print insecure message
@@ -44,24 +42,21 @@ fi
 echo 'Trying to start mysql server...'
 DBRUN=0
 mysqld &
-for i in $(seq 1 $WAITTIME); do
-    echo "$(/usr/sbin/service mysql status)"
-    if [[ "$(/usr/sbin/service mysql status)" =~ "not running" ]]; then
-        sleep 1
-    else
-        DBRUN=1
+for i in {60..0}; do
+    mysqladmin -u$DB_USR -p$DB_PWD processlist >/dev/null 2>&1
+    if [ $? = 0 ]; then
         break
     fi
+    echo 'Waiting for MySQL start...'
+    sleep 1
 done
-
-if [[ $DBRUN -eq 0  ]]; then
+if [ "$i" = 0 ]; then
     echo "timeout. Can't run mysql server."
     if [[ $1 = "test" ]]; then
         echo "test failed."
     fi
     exit 1
 fi
-
 if [[ $1 = "test" ]]; then
     echo "test passed."
     exit 0