[update] README

Signed-off-by: Srinivasa Vasu <srinivasan.surprise@gmail.com>

.gitpod.yml

@@ -6,7 +6,7 @@ tasks:
       DATA_PATH: ybdb
     command: |
       mkdir -p ${GITPOD_REPO_ROOT}/${DATA_PATH}
-      yugabyted start --base_dir=${GITPOD_REPO_ROOT}/${DATA_PATH} --advertise_address=$HOST --background=true
+      yugabyted start --base_dir=${GITPOD_REPO_ROOT}/${DATA_PATH} --advertise_address=$HOST --cloud_location=ybcloud.pandora.az1 --background=true
   - name: 1aa-ysql-shell
     before: |
       gp ports await 5433 && sleep 2
@@ -19,7 +19,7 @@ tasks:
       gp ports await 9042
       ycqlsh $(hostname -i) -e "CREATE KEYSPACE ALERTS"
     command: |
-      ycqlsh $(hostname -i)
+      ycqlsh $(hostname -i) -k ALERTS
   - name: 1b-import-deps
     env:
       KAFKA_VERSION: "3.5.1"

README.md

@@ -21,4 +21,15 @@ We use the following services to build the data streaming pipelines:
 
 To have a better getting started experience, we have added the Gitpod support to try this out yourself with a single click. You don't need to make any of the infrastructure components. All you need is to fork the source repo and launch the Gitpod terminal using the browser plugin.
 
-![cdc-gitpod](assets/cdc.gif)
+![cdc-gitpod](assets/cdc.gif)
+
+### CDC event flow from YSQL to YCQL
+Run the following command from `1aa-ysql-shell`:
+```sql
+insert into flight_schedule values('YB524', current_date, 'SIN', 'IND', now()::timestamp, (now()+interval '20 minutes')::timestamp, (now()+interval '20 minutes')::timestamp, (now()-interval '120 minutes')::timestamp, (now()-interval '90 minutes')::timestamp, (now()-interval '120 minutes')::timestamp, 'T4', 'T4');
+```
+
+Run the following command from `1ab-ycql-shell` to verify the changes:
+```sql
+SELECT * FROM flight_watch;
+```

flightwatch/src/main/resources/application.yml

@@ -17,6 +17,6 @@ spring:
           group: flight_watch_consumer
   cassandra:
     contact-points: $HOST
-    local-datacenter: ybcloud
+    local-datacenter: pandora
     keyspace-name: alerts
     schema-action: CREATE_IF_NOT_EXISTS