X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=README.sh;h=6dbc9d99715a911fb5d9c54a5ab74a97dd1cd074;hb=refs%2Fheads%2Frebalance-listener;hp=95aae0b264ea7611224ed1dc3e13e7eef97a52f5;hpb=d4bf2b7400df95df6c3f2534519671e596163be2;p=demos%2Fkafka%2Ftraining diff --git a/README.sh b/README.sh index 95aae0b..6dbc9d9 100755 --- a/README.sh +++ b/README.sh @@ -1,5 +1,7 @@ #!/bin/bash +IMAGE=juplo/endless-consumer:1.0-SNAPSHOT + if [ "$1" = "cleanup" ] then docker-compose down -v @@ -7,27 +9,77 @@ then exit fi -mvn package || exit 1 -if [ "$1" = "build" ]; then exit; fi - -trap 'kill $(jobs -p) 2>/dev/null' EXIT +docker-compose stop producer consumer +docker-compose up -d zookeeper kafka cli -docker-compose up -d +if [[ + $(docker image ls -q $IMAGE) == "" || + "$1" = "build" +]] +then + docker-compose rm -svf consumer + 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 kafka cub kafka-ready -b kafka:9092 1 60 > /dev/null 2>&1 || exit 1 - -echo "Producing messages" -mvn exec:java@producer - -echo "Reading messages" -mvn exec:java@consumer & -sleep 7 -kill $(jobs -p) -sleep 2 - -echo "Re-Reading messages" -mvn exec:java@consumer & -sleep 7 -kill $(jobs -p) -sleep 2 +docker-compose exec cli cub kafka-ready -b kafka:9092 1 60 > /dev/null 2>&1 || exit 1 + +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 producer consumer +while ! [[ $(http 0:8080/actuator/health 2> /dev/null) =~ "UP" ]]; do echo "Waiting for producer..."; sleep 1; done +while ! [[ $(http 0:8081/actuator/health 2> /dev/null) =~ "UP" ]]; do echo "Waiting for consumer..."; sleep 1; done +while [[ "$(http :8081/state | jq -r .)" == "{}" ]]; do echo "Waiting for some state to show up..."; done + +http -v :8081/state + +docker-compose stop producer +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 start producer +while ! [[ $(http 0:8080/actuator/health 2> /dev/null) =~ "UP" ]]; do echo "Waiting for producer..."; sleep 1; done + +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state +sleep 1 +http -v :8081/state + +docker-compose stop producer