From 4a49ab065e468e251db4c72da98376086a0c520e Mon Sep 17 00:00:00 2001
From: Staffan Olsson <staffan@repos.se>
Date: Thu, 1 Feb 2018 20:43:47 +0100
Subject: I guess this test could work, but consumer won't alternate for each
 message

---
 kafka/test/consumer-group.yml | 33 +++++----------------------------
 1 file changed, 5 insertions(+), 28 deletions(-)

diff --git a/kafka/test/consumer-group.yml b/kafka/test/consumer-group.yml
index 4b494eb..e19268e 100644
--- a/kafka/test/consumer-group.yml
+++ b/kafka/test/consumer-group.yml
@@ -16,44 +16,21 @@ data:
     exec 2>&1
 
     PC_WAIT=.2
-    MAX_AGE=5
 
     UNIQUE="${HOSTNAME}@$(date -u -Ins)"
 
+    PREVIOUS=$(tail -n 1 /shared/consumed.tmp)
     echo "${UNIQUE: -41:5}:Test $UNIQUE" >> /shared/produce.tmp
     sleep $PC_WAIT
     LAST=$(tail -n 1 /shared/consumed.tmp)
     [ -z "$LAST" ] && echo "Nothing consumed" && exit 1
 
-    LAST_TS=$(echo $LAST | awk -F';' '{print $1}')
-    [ -z "$LAST_TS" ] && echo "Failed to get timestamp for message: $LAST" && exit 1
-    LAST_MSG=$(echo $LAST | awk -F';' '{print $4}')
-    NOW=$(date -u +%s%3N)
-    DIFF_S=$((($NOW - $LAST_TS)/1000))
-    DIFF_MS=$((($NOW - $LAST_TS)%1000))
-    #echo "$NOW ($(date +%FT%H:%M:%S.%3N)):"
-    #echo "$LAST_TS"
-
-    if [ $DIFF_S -gt $MAX_AGE ]; then
-      echo "Last message is $DIFF_S.$DIFF_MS old:"
-      echo "$LAST_MSG"
+    # should fail if the test has only one replica
+    if (( (N + 1) > M )); then
+      echo "Consumed offset increased from $PREVIOUS to $LAST. Diff should be >1 when there's more than 1 replica in the consumer group."
       exit 10
     fi
 
-    if [[ "$LAST_MSG" != *"$UNIQUE" ]]; then
-      echo "Last message (at $LAST_TS) isn't from this test run ($UNIQUE):"
-      echo "$LAST_MSG"
-      exit 11
-    fi
-
-    # get info about this message
-    kafkacat -Q -b $BOOTSTRAP -t test-kafkacat-consumergroup:0:$LAST_TS \
-      -X socket.timeout.ms=600 -X session.timeout.ms=300 -X request.timeout.ms=50 -X metadata.request.timeout.ms=600
-    [ $? -eq 0 ] || echo "At $(date +%FT%H:%M:%S.%3N) bootstrap broker(s) might be down"
-    # but don't fail the test; producer and consumer should keep going if there are other brokers
-
-    # We haven't asserted that the consumer works, so we'll just have to assume that it will exit if it fails
-
     exit 0
 
   quit-on-nonzero-exit.sh: |-
@@ -137,7 +114,7 @@ spec:
         - /bin/bash
         - -cex
         - >
-          kafkacat -b $BOOTSTRAP -G test-kafkacat-consumergroup test-kafkacat-consumergroup -f '%T;%k:%p;%o;%s\n' -u -d broker |
+          kafkacat -b $BOOTSTRAP -G test-kafkacat-consumergroup test-kafkacat-consumergroup -f '%o\n' -u -d broker |
           tee /shared/consumed.tmp
           ;
         volumeMounts:
-- 
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