add instruction how to migrate to crunchydb (#116)

openshift/templates/crunchydb/readme.md

@@ -0,0 +1,31 @@
+# Migrate to CrunchyDB
+
+## Create CrunchyDB Cluster
+
+Create Cluster  
+
+## Migrate metabase database to CrunchyDB
+
+### Create metabase user under psql prompt
+create user ******** password '********';  
+create database metabase owner metabaseuser ENCODING 'utf8' LC_COLLATE = 'en_US.utf-8' LC_CTYPE = 'en_US.utf-8';  
+CREATE EXTENSION IF NOT EXISTS citext WITH SCHEMA public;  
+CREATE EXTENSION IF NOT EXISTS set_user WITH SCHEMA public;  
+
+### Dump and restore metabase data
+
+pg_dump -f matabase-data.sql -n public -d metabase  
+psql metabase < ./matabase-data.sql >> ./metabase-restore.log 2>&1     
+
+## Migrate cthub database to CrunchyDB 
+
+create user ******** password '********';  
+create database cthub owner cthubpqaitvng ENCODING 'utf8' LC_COLLATE = 'en_US.utf-8' LC_CTYPE = 'en_US.utf-8';  
+CREATE EXTENSION IF NOT EXISTS citext WITH SCHEMA public;  
+CREATE EXTENSION IF NOT EXISTS set_user WITH SCHEMA public;  
+
+### Dump and restore cthub data
+
+pg_dump -f cthub-data.sql -n public -d cthub   
+psql cthub < ./cthub-data.sql >> ./cthub-restore.log 2>&1  
+