README.sh zeigt die Auswirkung einer geänderten Partitions-Anzahl

[demos/kafka/training] / README.sh

diff --git a/README.sh b/README.sh
index c57a29b..9ed7d6f 100755 (executable)
--- a/README.sh
+++ b/README.sh
@@ -24,8 +24,20 @@ fi
 
 echo "Waiting for the Kafka-Cluster to become ready..."
 docker-compose exec cli cub kafka-ready -b kafka:9092 1 60 > /dev/null 2>&1 || exit 1
-docker-compose up setup
-docker-compose up -d producer consumer
+docker-compose up -d kafka-ui
+
+docker-compose exec -T cli bash << 'EOF'
+echo "Creating topic with 3 partitions..."
+kafka-topics --bootstrap-server kafka:9092 --delete --if-exists --topic test
+# tag::createtopic[]
+kafka-topics --bootstrap-server kafka:9092 --create --topic test --partitions 3
+# end::createtopic[]
+kafka-topics --bootstrap-server kafka:9092 --describe --topic test
+EOF
+
+docker-compose up -d consumer
+
+docker-compose up -d producer
 sleep 10
 http :8081/seen
 sleep 1
@@ -34,8 +46,42 @@ sleep 1
 http :8081/seen
 sleep 1
 http :8081/seen
+
+docker-compose exec -T cli bash << 'EOF'
+echo "Altering number of partitions from 3 to 7..."
+# tag::altertopic[]
+kafka-topics --bootstrap-server kafka:9092 --alter --topic test --partitions 7
+kafka-topics --bootstrap-server kafka:9092 --describe --topic test
+# end::altertopic[]
+EOF
+
+docker-compose restart producer
+sleep 10
+http :8081/seen
+sleep 1
+http :8081/seen
+sleep 1
+http :8081/seen
+sleep 1
+http :8081/seen
+sleep 1
+http :8081/seen
 sleep 1
 http :8081/seen
 sleep 1
+http :8081/seen
+sleep 1
+http :8081/seen
+sleep 1
+http :8081/seen
+sleep 1
+http :8081/seen
+sleep 1
+http :8081/seen
+sleep 1
+http :8081/seen
+sleep 1
+http :8081/seen
+sleep 1
+http :8081/seen
 docker-compose stop producer consumer
-docker-compose logs consumer