From be5a82037682d9b1ebd907a367e839ecd71aa1fa Mon Sep 17 00:00:00 2001 From: Staffan Olsson Date: Wed, 26 Jul 2017 11:38:47 +0200 Subject: Demonstrates how an init script can be used to ... modify config prior to kafka start. My aim with this is to get rid of the /bin/sh startup scripts and use bin + args directly. --- 10broker-config.yml | 4 ++++ 50kafka.yml | 7 +++++++ 2 files changed, 11 insertions(+) diff --git a/10broker-config.yml b/10broker-config.yml index b86a057..b6ecf1c 100644 --- a/10broker-config.yml +++ b/10broker-config.yml @@ -4,6 +4,10 @@ metadata: namespace: kafka apiVersion: v1 data: + init.sh: |- + echo "I guess I'm running in the init container" + sed -i 's/%p %m/%p -INIT-WAS-HERE- %m/' /etc/kafka/log4j.properties + server.properties: |- # Licensed to the Apache Software Foundation (ASF) under one or more # contributor license agreements. See the NOTICE file distributed with diff --git a/50kafka.yml b/50kafka.yml index 051349e..930dcda 100644 --- a/50kafka.yml +++ b/50kafka.yml @@ -15,6 +15,13 @@ spec: prometheus.io/port: "5556" spec: terminationGracePeriodSeconds: 30 + initContainers: + - name: init-config + image: solsson/kafka:0.11.0.0@sha256:b27560de08d30ebf96d12e74f80afcaca503ad4ca3103e63b1fd43a2e4c976ce + command: ['/bin/sh', '-ec', '. /etc/kafka/init.sh'] + volumeMounts: + - name: config + mountPath: /etc/kafka containers: - name: metrics image: solsson/kafka-prometheus-jmx-exporter@sha256:1f7c96c287a2dbec1d909cd8f96c0656310239b55a9a90d7fd12c81f384f1f7d -- cgit v1.2.3