Vorlage für die Übung `rest-producer--partitioning`

[demos/kafka/training] / README.sh

diff --git a/README.sh b/README.sh
index 4f7f017..1b4d217 100755 (executable)
--- a/README.sh
+++ b/README.sh
@@ -4,34 +4,55 @@ IMAGE=juplo/rest-producer:1.0-SNAPSHOT
 
 if [ "$1" = "cleanup" ]
 then
-  docker-compose down -v
+  docker-compose down -v --remove-orphans
   mvn clean
   exit
 fi
 
-docker-compose up -d zookeeper kafka cli
+docker-compose up -d kafka-1 kafka-2 kafka-3 cli
+docker-compose rm -svf producer producer-0 producer-1
 
 if [[
   $(docker image ls -q $IMAGE) == "" ||
   "$1" = "build"
 ]]
 then
-  mvn install || exit
+  mvn clean install || exit
 else
   echo "Using image existing images:"
   docker image ls $IMAGE
 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
-while ! [[ $(http -b :8080/actuator/health | jq -r .status) =~ "UP" ]]; do echo Waiting for :8080/actuator/health; sleep 1; done
-
-# tag::http[]
-echo -n bar | http -v :8080/foo
-echo -n foo | http -v :8080/bar X-id:666
-# end::http[]
-# tag::kafkacat[]
-docker-compose exec cli kafkacat -b kafka:9092 -t test -f "%p|%o|%k=%s|%h\n" -e
-# end::kafkacat[]
+docker-compose up -d producer-0 producer-1
+while ! [[ $(http 0:8000/actuator/health 2> /dev/null) =~ "UP" ]]; do echo "Waiting for producer-0..."; sleep 1; done
+while ! [[ $(http 0:8001/actuator/health 2> /dev/null) =~ "UP" ]]; do echo "Waiting for producer-1..."; sleep 1; done
+docker-compose up -d consumer
+
+echo -n Nachricht 1 an Producer 0 | http -v :8000/foo
+echo -n Nachricht 1 an Producer 1 | http -v :8001/foo
+echo -n Nachricht 2 an Producer 0 | http -v :8000/bar
+echo -n Nachricht 2 an Producer 1 | http -v :8001/bar
+
+docker-compose logs consumer
+
+docker-compose exec -T cli bash << 'EOF'
+echo "Altering number of partitions from 3 to 7..."
+kafka-topics --bootstrap-server kafka:9092 --describe --topic test
+kafka-topics --bootstrap-server kafka:9092 --alter --topic test --partitions 7
+kafka-topics --bootstrap-server kafka:9092 --describe --topic test
+EOF
+
+docker-compose restart producer-0 producer-1
+while ! [[ $(http 0:8000/actuator/health 2> /dev/null) =~ "UP" ]]; do echo "Waiting for producer-0..."; sleep 1; done
+while ! [[ $(http 0:8001/actuator/health 2> /dev/null) =~ "UP" ]]; do echo "Waiting for producer-1..."; sleep 1; done
+
+echo -n Nachricht 3 an Producer 0 | http -v :8000/foo
+echo -n Nachricht 3 an Producer 1 | http -v :8001/foo
+echo -n Nachricht 4 an Producer 0 | http -v :8000/bar
+echo -n Nachricht 4 an Producer 1 | http -v :8001/bar
+
+docker-compose logs consumer
+
+kafkacat -b :9092 -t test -o 0 -p0 -f'p=%p|o=%o|k=%k|v=%s\n' -qe
+kafkacat -b :9092 -t test -o 0 -p1 -f'p=%p|o=%o|k=%k|v=%s\n' -qe