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Update configure-db.sh script so that wait loop successfully evaluates DBSTATUS and ERRCODE #839

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Update configure-db.sh script so that wait loop successfully evaluates DBSTATUS and ERRCODE #839

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23 changes: 13 additions & 10 deletions linux/preview/examples/mssql-customize/configure-db.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -3,24 +3,27 @@
# Wait 60 seconds for SQL Server to start up by ensuring that
# calling SQLCMD does not return an error code, which will ensure that sqlcmd is accessible
# and that system and user databases return "0" which means all databases are in an "online" state
# https://docs.microsoft.com/en-us/sql/relational-databases/system-catalog-views/sys-databases-transact-sql?view=sql-server-2017
# https://learn.microsoft.com/en-us/sql/relational-databases/system-catalog-views/sys-databases-transact-sql?view=sql-server-ver15

DBSTATUS=1
ERRCODE=1
i=0

while [[ $DBSTATUS -ne 0 ]] && [[ $i -lt 60 ]] && [[ $ERRCODE -ne 0 ]]; do
i=$i+1
DBSTATUS=$(/opt/mssql-tools/bin/sqlcmd -h -1 -t 1 -U sa -P $SA_PASSWORD -Q "SET NOCOUNT ON; Select SUM(state) from sys.databases")
ERRCODE=$?
sleep 1
while [[ ((-z $DBSTATUS || $DBSTATUS -ne 0) || $ERRCODE -ne 0) && $i -lt 60 ]]; do
i=$((i + 1))
DBSTATUS=$(/opt/mssql-tools/bin/sqlcmd -h -1 -t 1 -U sa -P $MSSQL_SA_PASSWORD -Q "SET NOCOUNT ON; Select SUM(state) from sys.databases")
if [[ -n $DBSTATUS ]]; then
DBSTATUS=$((DBSTATUS + 0)) #Convert to integer for successful while loop comparison
fi
ERRCODE=$?
sleep 1
done

if [ $DBSTATUS -ne 0 ] OR [ $ERRCODE -ne 0 ]; then
echo "SQL Server took more than 60 seconds to start up or one or more databases are not in an ONLINE state"
exit 1
if [[ $DBSTATUS -ne 0 || $ERRCODE -ne 0 ]]; then
echo "SQL Server took more than 60 seconds to start up or one or more databases are not in an ONLINE state"
exit 1
fi

# Run the setup script to create the DB and the schema in the DB
/opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P $SA_PASSWORD -d master -i setup.sql
/opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P $MSSQL_SA_PASSWORD -d master -i setup.sql