upgrade-mattermost.sh: add support for PostgreSQL database.

upgrade-mattermost.sh

@@ -218,6 +218,8 @@ DEFAULT_FQHN_HOSTNAME="$(hostname -f)"
 DEFAULT_MATTERMOST_USER="mattermost"
 DEFAULT_MATTERMOST_GROUP="mattermost"
 
+DEFAULT_DB_TYPE="pgsql"
+
 DEFAULT_MATTERMOST_BASE_INSTALL_PATH="/opt"
 DEFAULT_MATTERMOST_TMP_DIR="/tmp"
 
@@ -231,6 +233,9 @@ fi
 
 [[ -n "$FQHN_HOSTNAME" ]] && DEFAULT_FQHN_HOSTNAME="$FQHN_HOSTNAME"
 
+if [[ -z "$DB_TYPE" ]] ; then
+   fatal "Missing database type (DB_TYPE)!"
+fi
 if [[ -z "$DB_NAME" ]] ; then
    fatal "Missing database name (DB_NAME)!"
 fi
@@ -404,12 +409,13 @@ do
 done
 
 
-if [[ -n "$MYSQL_CREDENTIAL_ARGS" ]] ; then
+if [[ "$DB_TYPE" = "mysql" ]] ; then
+   if [[ -n "$MYSQL_CREDENTIAL_ARGS" ]] ; then
       if ! $(mysql $MYSQL_CREDENTIAL_ARGS -N -s -e 'quit' > /dev/null 2>&1) ; then
          fatal "Parameter MYSQL_CREDENTIAL_ARGS is given, but a connection to MySQL Service failed.!"
       fi
       USE_MYSQL_CREDENTIAL_ARGS=true
-else
+   else
       USE_MYSQL_CREDENTIAL_ARGS=false
 
       _MYSQL_ROOT_PW=""
@@ -437,6 +443,7 @@ else
             fatal "MySQL seems not be running. Start MySQL Service and try installing mattermost again."
          fi
       done
+   fi
 fi
 
 
@@ -460,10 +467,18 @@ echo -e "   Mattermost user...................: $MATTERMOST_USER"
 echo -e "   Mattermost group..................: $MATTERMOST_GROUP"
 echo ""
 echo ""
-if $USE_MYSQL_CREDENTIAL_ARGS ; then
+if [[ "${DB_TYPE}" = "pgsql" ]] ; then
-   echo -e "   MYSQL_CREDENTIAL_ARGS.............: $MYSQL_CREDENTIAL_ARGS"
+   echo -e "   Database Type.....................: PostgreSQL"
 else
+   echo -e "   Database Type.....................: MySQL"
+fi
+echo ""
+if [[ "${DB_TYPE}" = "mysql" ]]; then
+   if $USE_MYSQL_CREDENTIAL_ARGS ; then
+      echo -e "   MYSQL_CREDENTIAL_ARGS.............: $MYSQL_CREDENTIAL_ARGS"
+   else
       echo -e "   Root password MySQL...............: **"
+   fi
 fi
 echo ""
 echo -e "   Database Name.....................: $DB_NAME"
@@ -586,9 +601,10 @@ else
 fi
 
 echononl "Backup mattermost database.."
-mysqldump --login-path=local --opt $DB_NAME \
+if [[ "${DB_TYPE}" = "mysql" ]]; then
+   mysqldump --login-path=local --opt $DB_NAME \
       > ${MATTERMOST_BASE_INSTALL_PATH}/${DB_NAME}-${backup_date}.sql 2> $log_file
-if [[ $? -ne 0 ]]; then
+   if [[ $? -ne 0 ]]; then
       echo_failed
       error "$(cat "$log_file")"
 
@@ -600,8 +616,26 @@ if [[ $? -ne 0 ]]; then
          read OK
       done
       [[ $OK = "yes" ]] || fatal "Stopped by user"
-else
+   else
       echo_ok
+   fi
+else
+   pg_dump -U ${DB_USER} -F p -c ${DB_NAME} -f ${MATTERMOST_BASE_INSTALL_PATH}/${DB_NAME}-${backup_date}.sql 2> $log_file
+   if [[ $? -ne 0 ]]; then
+      echo_failed
+      error "$(cat "$log_file")"
+
+      echononl "continue anyway [yes/no]: "
+      read OK
+      OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+      while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+         echononl "Wrong entry! - repeat [yes/no]: "
+         read OK
+      done
+      [[ $OK = "yes" ]] || fatal "Stopped by user"
+   else
+      echo_ok
+   fi
 fi
 
 echononl "Backup mattermost installation directory.."