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---
kind: ConfigMap
metadata:
name: kafkacat-consumergroup
namespace: test-kafka
apiVersion: v1
data:
setup.sh: |-
touch /tmp/testlog
tail -f /tmp/testlog
test.sh: |-
exec >> /tmp/testlog
exec 2>&1
PC_WAIT=.2
UNIQUE="${HOSTNAME}@$(date -u -Ins)"
echo "${UNIQUE: -41:5}:Test $UNIQUE" >> /shared/produce.tmp
sleep $PC_WAIT
PREVIOUS=$(cat /shared/consumed.tmp | grep -v '%' || echo "-1")
kafkacat -b $BOOTSTRAP -G test-kafkacat-consumergroup test-kafkacat-consumergroup -f '%o\n' -u -c 1 | tee /shared/consumed.tmp
LAST=$(cat /shared/consumed.tmp | grep -v '%')
[ -z "$LAST" ] && echo "Nothing consumed" && exit 1
# should fail if the test has only one replica
if (( ($PREVIOUS + 1) == $LAST )); 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
exit 0
quit-on-nonzero-exit.sh: |-
exec >> /tmp/testlog
exec 2>&1
exit 0
---
apiVersion: batch/v1
kind: Job
metadata:
name: topic-test-kafkacat-consumergroup
namespace: test-kafka
spec:
template:
spec:
containers:
- name: topic-create
image: solsson/kafka:1.0.0@sha256:17fdf1637426f45c93c65826670542e36b9f3394ede1cb61885c6a4befa8f72d
command:
- ./bin/kafka-topics.sh
- --zookeeper
- zookeeper.kafka.svc.cluster.local:2181
- --create
- --if-not-exists
- --topic
- test-kafkacat-consumergroup
- --partitions
- "1"
restartPolicy: Never
---
apiVersion: apps/v1beta2
kind: ReplicaSet
metadata:
name: kafkacat-consumergroup
namespace: test-kafka
spec:
replicas: 1
selector:
matchLabels:
test-target: kafka-client-kafkacat-consumergroup
test-type: readiness
template:
metadata:
labels:
test-target: kafka-client-kafkacat-consumergroup
test-type: readiness
# for example:
# readonly - can be used in production
# isolated - read/write but in a manner that does not affect other services
# load - unsuitable for production because it uses significant resources
# chaos - unsuitable for production because it injects failure modes
#test-use:
spec:
containers:
- name: producer
image: solsson/kafkacat@sha256:b32eedf936f3cde44cd164ddc77dfcf7565a8af4e357ff6de1abe4389ca530c9
env:
- name: BOOTSTRAP
value: bootstrap.kafka:9092
command:
- /bin/bash
- -cex
- >
echo "--- start $HOSTNAME $(date --iso-8601='ns' -u) ---" >> /shared/produce.tmp
;
tail -f /shared/produce.tmp |
kafkacat -P -b $BOOTSTRAP -t test-kafkacat-consumergroup -v -T -d broker -K ':'
;
volumeMounts:
- name: config
mountPath: /test
- name: shared
mountPath: /shared
- name: testcase
image: solsson/kafkacat@sha256:b32eedf936f3cde44cd164ddc77dfcf7565a8af4e357ff6de1abe4389ca530c9
env:
- name: BOOTSTRAP
value: bootstrap.kafka:9092
command:
- /bin/bash
- -e
- /test/setup.sh
readinessProbe:
exec:
command:
- /bin/bash
- -e
- /test/test.sh
initialDelaySeconds: 10
periodSeconds: 35
livenessProbe:
exec:
command:
- /bin/bash
- -e
- /test/quit-on-nonzero-exit.sh
volumeMounts:
- name: config
mountPath: /test
- name: shared
mountPath: /shared
volumes:
- name: config
configMap:
name: kafkacat-consumergroup
- name: shared
emptyDir: {}
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