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solssonsolsson
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Merge remote-tracking branch 'origin/metrics-improve-scrape-times' into kubernetes-1.8-test
2 parents d0a5088 + e4fadac commit f89bd74

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‎10broker-config.yml

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@@ -273,3 +273,22 @@ data:
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# Change to DEBUG to enable audit log for the authorizer
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log4j.logger.kafka.authorizer.logger=WARN, authorizerAppender
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log4j.additivity.kafka.authorizer.logger=false
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jmx-kafka-prometheus.yml: |+
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lowercaseOutputName: true
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jmxUrl: service:jmx:rmi:///jndi/rmi://127.0.0.1:5555/jmxrmi
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ssl: false
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whitelistObjectNames: ["kafka.server:*","java.lang:*"]
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rules:
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- pattern : kafka.server<type=ReplicaFetcherManager, name=MaxLag, clientId=(.+)><>Value
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- pattern : kafka.server<type=BrokerTopicMetrics, name=(BytesInPerSec|BytesOutPerSec|MessagesInPerSec), topic=(.+)><>OneMinuteRate
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- pattern : kafka.server<type=KafkaRequestHandlerPool, name=RequestHandlerAvgIdlePercent><>OneMinuteRate
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- pattern : kafka.server<type=Produce><>queue-size
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- pattern : kafka.server<type=ReplicaManager, name=(PartitionCount|UnderReplicatedPartitions)><>(Value|OneMinuteRate)
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- pattern : kafka.server<type=controller-channel-metrics, broker-id=(.+)><>(.*)
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- pattern : kafka.server<type=socket-server-metrics, networkProcessor=(.+)><>(.*)
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- pattern : kafka.server<type=Fetch><>queue-size
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- pattern : kafka.server<type=SessionExpireListener, name=(.+)><>OneMinuteRate
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- pattern : java.lang<type=OperatingSystem><>SystemCpuLoad
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- pattern : java.lang<type=Memory><HeapMemoryUsage>used
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- pattern : java.lang<type=OperatingSystem><>FreePhysicalMemorySize

‎50kafka.yml

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@@ -15,6 +15,8 @@ spec:
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labels:
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app: kafka
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annotations:
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prometheus.io/scrape: "true"
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prometheus.io/port: "5556"
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spec:
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terminationGracePeriodSeconds: 30
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initContainers:
@@ -43,6 +45,8 @@ spec:
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env:
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- name: KAFKA_LOG4J_OPTS
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value: -Dlog4j.configuration=file:/etc/kafka/log4j.properties
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- name: JMX_PORT
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value: "5555"
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ports:
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- containerPort: 9092
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- containerPort: 9094
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mountPath: /etc/kafka
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- name: data
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mountPath: /var/lib/kafka/data
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- name: metrics
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image: solsson/kafka-prometheus-jmx-exporter@sha256:348b0f6510b08dff70ba468a16d25dc8def480fe79aca0e3c76f098d67b108a3
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command:
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- java
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- -Xmx64M
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- -XX:MaxMetaspaceSize=32m
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- -jar
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- jmx_prometheus_httpserver.jar
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- "5556"
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- /etc/kafka/jmx-kafka-prometheus.yml
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ports:
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- containerPort: 5556
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livenessProbe:
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httpGet:
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path: /liveness
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port: 5556
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periodSeconds: 60
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resources:
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requests:
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cpu: 0m
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memory: 100Mi
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limits:
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memory: 150Mi
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volumeMounts:
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- name: config
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mountPath: /etc/kafka
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volumes:
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- name: config
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configMap:

‎test/jmx-selftest.yml

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@@ -0,0 +1,41 @@
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# Sets up a pod that monitors itself, to test resource usage etc.
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# kubectl exec -n test-kafka jmx-selftest-... -- /bin/sh -c 'apk add --no-cache curl && curl http://localhost:5556/metrics'
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: jmx-selftest
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namespace: test-kafka
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spec:
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replicas: 1
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template:
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metadata:
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labels:
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test-target: jmx-exporter
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test-type: readiness
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# Uncomment to test with Prometheus
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#annotations:
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# prometheus.io/scrape: "true"
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# prometheus.io/port: "5556"
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spec:
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containers:
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- name: monitor
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image: solsson/kafka-prometheus-jmx-exporter@sha256:348b0f6510b08dff70ba468a16d25dc8def480fe79aca0e3c76f098d67b108a3
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command:
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- java
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- -Dcom.sun.management.jmxremote.ssl=false
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- -Dcom.sun.management.jmxremote.authenticate=false
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- -Dcom.sun.management.jmxremote.port=5555
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- -jar
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- jmx_prometheus_httpserver.jar
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- "5556"
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- example_configs/httpserver_sample_config.yml
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ports:
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- name: jmx
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containerPort: 5555
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- name: slashmetrics
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containerPort: 5556
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# Test run, again and again
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readinessProbe:
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httpGet:
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path: /metrics
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port: 5556

‎test/metrics.yml

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# kubectl apply -f test/metrics.yml && kubectl scale --replicas=0 deploy/metrics && kubectl scale --replicas=1 deploy/metrics
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# kubectl exec metrics-... -- tail -f /tmp/loglast | egrep 'time_total|^jmx_scrape_duration_seconds|^java_lang_memory_heapmemoryusage_used|^java_lang_memory_nonheapmemoryusage_used'
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---
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kind: ConfigMap
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metadata:
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name: metrics
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namespace: test-kafka
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apiVersion: v1
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data:
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curl-format.txt: |-
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\n
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# ------ curl stats ------\n
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time_namelookup %{time_namelookup}\n
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time_connect %{time_connect}\n
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time_appconnect %{time_appconnect}\n
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time_pretransfer %{time_pretransfer}\n
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time_redirect %{time_redirect}\n
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time_starttransfer %{time_starttransfer}\n
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\n
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time_total{url="%{url_effective}"} %{time_total}\n
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\n
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http_code{url="%{url_effective}"} %{http_code}\n
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size_download{url="%{url_effective}"} %{size_download}\n
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content_type %{content_type}\n
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# ----- curl complete -----\n
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\n
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setup.sh: |-
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touch /tmp/testlog
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tail -f /tmp/testlog
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continue.sh: |-
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exit 0
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run.sh: |-
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exec >> /tmp/testlog
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exec 2>&1
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date -u -Iseconds | tee /tmp/loglast
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curl -w "@/test/curl-format.txt" -s --max-time $MAX_RESPONSE_TIME \
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http://kafka-0.broker.kafka.svc.cluster.local:5556/metrics \
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| tee -a /tmp/loglast \
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| grep http_code \
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| grep 200
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curl -w "@/test/curl-format.txt" -s --max-time $MAX_RESPONSE_TIME \
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http://zoo-0.zoo.kafka.svc.cluster.local:5556/metrics \
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| tee -a /tmp/loglast \
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| grep http_code \
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| grep 200
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curl -w "@/test/curl-format.txt" -s --max-time $MAX_RESPONSE_TIME \
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http://pzoo-0.pzoo.kafka.svc.cluster.local:5556/metrics \
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| tee -a /tmp/loglast \
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| grep http_code \
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| grep 200
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exit 0
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---
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apiVersion: apps/v1beta1
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kind: Deployment
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metadata:
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name: metrics
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namespace: test-kafka
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spec:
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replicas: 1
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template:
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metadata:
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labels:
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test-target: kafka
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test-type: readiness
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spec:
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containers:
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- name: testcase
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image: solsson/curl@sha256:8c0c5d669b3dd67932da934024252af59fb9d0fa0e5118b5a737b35c5e1487bf
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env:
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- name: MAX_RESPONSE_TIME
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value: "3"
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# Test set up
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command:
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- /bin/bash
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- -e
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- /test/setup.sh
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# Test run, again and again
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readinessProbe:
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exec:
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command:
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- /bin/bash
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- -e
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- /test/run.sh
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# Test quit on nonzero exit
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livenessProbe:
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exec:
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command:
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- /bin/bash
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- -e
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- /test/continue.sh
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volumeMounts:
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- name: config
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mountPath: /test
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volumes:
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- name: config
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configMap:
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name: metrics

‎zookeeper/10zookeeper-config.yml

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# Suppress connection log messages, three lines per livenessProbe execution
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log4j.logger.org.apache.zookeeper.server.NIOServerCnxnFactory=WARN
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log4j.logger.org.apache.zookeeper.server.NIOServerCnxn=WARN
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jmx-zookeeper-prometheus.yaml: |+
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rules:
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- pattern: "org.apache.ZooKeeperService<name0=ReplicatedServer_id(\\d)><>(\\w+)"
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name: "zookeeper_$2"
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- pattern: "org.apache.ZooKeeperService<name0=ReplicatedServer_id(\\d), name1=replica.(\\d)><>(\\w+)"
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name: "zookeeper_$3"
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labels:
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replicaId: "$2"
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- pattern: "org.apache.ZooKeeperService<name0=ReplicatedServer_id(\\d), name1=replica.(\\d), name2=(\\w+)><>(\\w+)"
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name: "zookeeper_$4"
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labels:
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replicaId: "$2"
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memberType: "$3"
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- pattern: "org.apache.ZooKeeperService<name0=ReplicatedServer_id(\\d), name1=replica.(\\d), name2=(\\w+), name3=(\\w+)><>(\\w+)"
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name: "zookeeper_$4_$5"
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labels:
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replicaId: "$2"
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memberType: "$3"

‎zookeeper/50pzoo.yml

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app: zookeeper
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storage: persistent
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annotations:
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prometheus.io/scrape: "true"
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prometheus.io/port: "5556"
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spec:
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terminationGracePeriodSeconds: 10
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initContainers:
@@ -34,6 +36,8 @@ spec:
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env:
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- name: KAFKA_LOG4J_OPTS
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value: -Dlog4j.configuration=file:/etc/kafka/log4j.properties
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- name: JMX_PORT
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value: "5555"
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command:
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- ./bin/zookeeper-server-start.sh
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- /etc/kafka/zookeeper.properties
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mountPath: /etc/kafka
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- name: data
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mountPath: /var/lib/zookeeper/data
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- name: metrics
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image: solsson/kafka-prometheus-jmx-exporter@sha256:348b0f6510b08dff70ba468a16d25dc8def480fe79aca0e3c76f098d67b108a3
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command:
75+
- java
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- -Xmx64M
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- -XX:MaxMetaspaceSize=32m
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- -jar
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- jmx_prometheus_httpserver.jar
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- "5556"
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- example_configs/zookeeper.yaml
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ports:
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- containerPort: 5556
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resources:
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requests:
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cpu: 0m
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memory: 100Mi
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limits:
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memory: 150Mi
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volumes:
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- name: config
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configMap:

‎zookeeper/51zoo.yml

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app: zookeeper
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storage: ephemeral
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annotations:
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prometheus.io/scrape: "true"
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prometheus.io/port: "5556"
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spec:
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terminationGracePeriodSeconds: 10
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initContainers:
@@ -36,6 +38,8 @@ spec:
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env:
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- name: KAFKA_LOG4J_OPTS
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value: -Dlog4j.configuration=file:/etc/kafka/log4j.properties
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- name: JMX_PORT
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value: "5555"
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command:
4044
- ./bin/zookeeper-server-start.sh
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- /etc/kafka/zookeeper.properties
@@ -67,6 +71,27 @@ spec:
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mountPath: /etc/kafka
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- name: data
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mountPath: /var/lib/zookeeper/data
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- name: metrics
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image: solsson/kafka-prometheus-jmx-exporter@sha256:348b0f6510b08dff70ba468a16d25dc8def480fe79aca0e3c76f098d67b108a3
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command:
77+
- java
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- -Xmx64M
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- -XX:MaxMetaspaceSize=32m
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- -jar
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- jmx_prometheus_httpserver.jar
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- "5556"
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- /etc/kafka/jmx-zookeeper-prometheus.yaml
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ports:
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- containerPort: 5556
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resources:
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requests:
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cpu: 0m
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memory: 100Mi
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limits:
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memory: 150Mi
92+
volumeMounts:
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- name: config
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mountPath: /etc/kafka
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volumes:
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- name: config
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configMap:

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