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

[demos/kafka/training] / README.sh

diff --git a/README.sh b/README.sh
index 95aae0b..1b4d217 100755 (executable)
--- a/README.sh
+++ b/README.sh
@@ -1,33 +1,58 @@
 #!/bin/bash
 
+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
 
-mvn package || exit 1
-if [ "$1" = "build" ]; then exit; fi
+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 clean install || exit
+else
+  echo "Using image existing images:"
+  docker image ls $IMAGE
+fi
+
+docker-compose up setup
+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
 
-trap 'kill $(jobs -p) 2>/dev/null' EXIT
+docker-compose logs consumer
 
-docker-compose up -d
+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
 
-echo "Waiting for the Kafka-Cluster to become ready..."
-docker-compose exec kafka cub kafka-ready -b kafka:9092 1 60 > /dev/null 2>&1 || exit 1
+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 "Producing messages"
-mvn exec:java@producer
+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
 
-echo "Reading messages"
-mvn exec:java@consumer &
-sleep 7
-kill $(jobs -p)
-sleep 2
+docker-compose logs consumer
 
-echo "Re-Reading messages"
-mvn exec:java@consumer &
-sleep 7
-kill $(jobs -p)
-sleep 2
+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