m1 again (apache#7)

* M1  fix again
* export STATS_COMPUTE_INTERVAL_MINUTES env

Author: vidma

docker/data-generator/Dockerfile

@@ -13,7 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM maven:3.6-jdk-8-slim AS builder
+ARG MAVEN_IMAGE=maven:3.8-openjdk-8-slim
+
+FROM ${MAVEN_IMAGE} AS builder
 
 # Get data producer code and compile it
 COPY ./src /opt/data-producer/src

table-walkthrough/README.md

@@ -16,7 +16,7 @@ export KENSU_AUTH_TOKEN="eyJhbG...."
 
 Open [http://localhost:8082/](http://localhost:8082/) to monitor Flink jobs status
 
-You may modify the stats reporting interval in [./src/main/scala/org/apache/flink/playgrounds/spendreport/SpendReport.scala](./src/main/scala/org/apache/flink/playgrounds/spendreport/SpendReport.scala):
+You may modify the stats reporting interval by setting `STATS_COMPUTE_INTERVAL_MINUTES` environment variable or  in [./src/main/scala/org/apache/flink/playgrounds/spendreport/SpendReport.scala](./src/main/scala/org/apache/flink/playgrounds/spendreport/SpendReport.scala):
 ```scala
 object SpendReport {
   // the default value of `5.minute` would compute stats over non-overlapping (Tumble) windows of 5 minutes each, taking into account only the  data inside the current window, and would report stats to Kensu at end of each such window

table-walkthrough/build-and-run.sh

@@ -1,5 +1,6 @@
 export KENSU_INGESTION_URL
 export KENSU_AUTH_TOKEN
+export STATS_COMPUTE_INTERVAL_MINUTES
 
 source ./detect_platform.sh
 

table-walkthrough/docker-compose.yml

@@ -107,14 +107,14 @@ services:
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
   data-generator:
-      image: apache/data-generator:1
+      image: kensuio/kensu-flink-collector:table-walkthrough-kafka-gen
       build: ../docker/data-generator
       environment:
         KAFKA_TOPIC: "transactions"
       depends_on:
         - kafka
   data-generator-two:
-    image: apache/data-generator:1
+    image: kensuio/kensu-flink-collector:table-walkthrough-kafka-gen
     build: ../docker/data-generator
     environment:
       KAFKA_TOPIC: "aborted_transactions"

table-walkthrough/run.sh

@@ -1,5 +1,6 @@
 export KENSU_INGESTION_URL
 export KENSU_AUTH_TOKEN
+export STATS_COMPUTE_INTERVAL_MINUTES
 
 source ./detect_platform.sh