Start Oracle Database health check only after startup is finished

Author: felipecrs

OracleDatabase/SingleInstance/dockerfiles/21.3.0/Dockerfile

@@ -55,6 +55,7 @@ ENV ORACLE_BASE=/opt/oracle \
     SETUP_LINUX_FILE="setupLinuxEnv.sh" \
     CHECK_SPACE_FILE="checkSpace.sh" \
     CHECK_DB_FILE="checkDBStatus.sh" \
+    DB_STARTED_MARKER_FILE="/dev/shm/.db_started" \
     USER_SCRIPTS_FILE="runUserScripts.sh" \
     INSTALL_DB_BINARIES_FILE="installDBBinaries.sh" \
     RELINK_BINARY_FILE="relinkOracleBinary.sh" \

OracleDatabase/SingleInstance/dockerfiles/21.3.0/Dockerfile.xe

@@ -47,6 +47,7 @@ ENV ORACLE_BASE=/opt/oracle \
     CONF_FILE="oracle-xe-21c.conf" \
     CHECK_SPACE_FILE="checkSpace.sh" \
     CHECK_DB_FILE="checkDBStatus.sh" \
+    DB_STARTED_MARKER_FILE="/dev/shm/.db_started" \
     SETUP_LINUX_FILE="setupLinuxEnv.sh" \
     CONFIG_TCPS_FILE="configTcps.sh" \
     INSTALL_DIR="$HOME/install" \

OracleDatabase/SingleInstance/dockerfiles/21.3.0/checkDBStatus.sh

@@ -73,6 +73,11 @@ EOF
 ################ MAIN #######################
 #############################################
 
+if [ "$IGNORE_DB_STARTED_MARKER" != true ] && [ ! -f "$DB_STARTED_MARKER_FILE" ]; then
+   echo "Database was not started yet." >&2
+   exit 1
+fi
+
 # Setting up ORACLE_PWD if podman secret is passed on
 if [ -e '/run/secrets/oracle_pwd' ]; then
    export ORACLE_PWD="$(cat '/run/secrets/oracle_pwd')"

OracleDatabase/SingleInstance/dockerfiles/21.3.0/runOracle.sh

@@ -280,7 +280,7 @@ else
   "$ORACLE_BASE"/"$CREATE_DB_FILE" $ORACLE_SID "$ORACLE_PDB" "$ORACLE_PWD" || exit 1;
 
   # Check whether database is successfully created
-  if "$ORACLE_BASE"/"$CHECK_DB_FILE"; then
+  if IGNORE_DB_STARTED_MARKER=true "$ORACLE_BASE"/"$CHECK_DB_FILE"; then
     # Create a checkpoint file if database is successfully created
     # Populate the checkpoint file with the current date to avoid timing issue when using NFS persistence in multi-replica mode
     echo "$(date -Iseconds)" > "$ORACLE_BASE"/oradata/.${ORACLE_SID}"${CHECKPOINT_FILE_EXTN}"
@@ -303,7 +303,7 @@ else
 fi;
 
 # Check whether database is up and running
-"$ORACLE_BASE"/"$CHECK_DB_FILE"
+IGNORE_DB_STARTED_MARKER=true "$ORACLE_BASE"/"$CHECK_DB_FILE"
 status=$?
 
 # Check whether database is up and running
@@ -317,7 +317,9 @@ if [ $status -eq 0 ]; then
 
   # Execute custom provided startup scripts
   "$ORACLE_BASE"/"$USER_SCRIPTS_FILE" "$ORACLE_BASE"/scripts/startup
-  
+
+  # Create marker file for the health check
+  touch "$DB_STARTED_MARKER_FILE"
 else
   echo "#####################################"
   echo "########### E R R O R ###############"