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Merge pull request #200 from mwringe/containers
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Add docker images and kubernetes application definition
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Stefan Negrea committed Apr 20, 2015
2 parents b2b07c0 + 18398bf commit 5ce9f15
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92 changes: 92 additions & 0 deletions containers/cassandra-docker/pom.xml
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<!--
Copyright 2014-2015 Red Hat, Inc. and/or its affiliates
and other contributors as indicated by the @author tags.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

<modelVersion>4.0.0</modelVersion>

<parent>
<groupId>org.hawkular.metrics</groupId>
<artifactId>hawkular-metrics-containers</artifactId>
<version>0.3.2-SNAPSHOT</version>
</parent>

<artifactId>cassandra-docker</artifactId>
<name>Cassandra Docker Image</name>
<version>0.3.2-SNAPSHOT</version>
<packaging>pom</packaging>

<dependencies>
<dependency>
<groupId>org.hawkular.metrics</groupId>
<artifactId>cassandra-seed-provider</artifactId>
<version>${project.version}</version>
</dependency>
</dependencies>

<properties>
<docker.baseimage>jboss/base-jdk:8</docker.baseimage>
</properties>

<build>
<plugins>
<plugin>
<groupId>org.jolokia</groupId>
<artifactId>docker-maven-plugin</artifactId>
<version>0.11.2</version>
<configuration>
<images>
<image>
<name>${cassandra.image}</name>
<build>
<assembly>
<descriptor>../resources/assemblies/assemble-docker.xml</descriptor>
</assembly>
</build>
</image>
</images>
</configuration>
</plugin>
</plugins>
</build>

<profiles>
<profile>
<id>docker-build</id>
<build>
<plugins>
<plugin>
<groupId>org.jolokia</groupId>
<artifactId>docker-maven-plugin</artifactId>
<version>0.11.2</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>build</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>

</project>
75 changes: 75 additions & 0 deletions containers/cassandra-docker/src/main/docker/Dockerfile
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#
# Copyright 2014-2015 Red Hat, Inc. and/or its affiliates
# and other contributors as indicated by the @author tags.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# Hawkular-Metrics Cassandra Docker Image

# Image based off of the jboss base image with JDK8
FROM ${docker.baseimage}

# The image is maintained by the Hawkular Metrics team
MAINTAINER Hawkular Metrics <hawkular-dev@lists.jboss.org>

# Cassandra CQL transport port
EXPOSE 9042
# Cassandra Thirft transport port
EXPOSE 9160
# Cassandra TCP port
EXPOSE 7000
# Cassandra SSL port
EXPOSE 7001

# The Cassandra version
ENV CASSANDRA_VERSION ${cassandra.version}

# The Cassandra home location
ENV CASSANDRA_HOME /opt/apache-cassandra

# TODO: figure out if there is a better way to handle this
# If we don't specify values here then the cassandra bin tries to automatically determine
# the size which relies on other binaries not installed in the RHEL image.
ENV MAX_HEAP_SIZE=512M
ENV HEAP_NEWSIZE=100M

# Become the root user to be able to install and setup Cassandra under /opt
USER root

# Copy the Cassandra binary to the /opt directory
RUN cd /opt; \
curl -LO http://apache.mirrors.ionfish.org/cassandra/$CASSANDRA_VERSION/apache-cassandra-$CASSANDRA_VERSION-bin.tar.gz; \
tar xzf apache-cassandra-$CASSANDRA_VERSION-bin.tar.gz; \
rm apache-cassandra-$CASSANDRA_VERSION-bin.tar.gz; \
ln -s apache-cassandra-$CASSANDRA_VERSION apache-cassandra

# Copy our version of the cassandra configuration file over to the filesystem
COPY cassandra.yaml /opt/apache-cassandra/conf/cassandra.yaml

# Copy the jar containing the kubernetes away jar
COPY cassandra-seed-provider.jar /opt/apache-cassandra/lib/

# Copy our customized run script over to the cassandra bin directory
COPY cassandra-docker.sh /opt/apache-cassandra/bin/

# TODO: remove this line once https://bugzilla.redhat.com/show_bug.cgi?id=1201848 has been fixed
ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

# Add the Cassandra bin directory to $PATH
ENV PATH /opt/apache-cassandra/bin:$PATH

# The name of the service exposing the Cassandra nodes
ENV CASSANDRA_NODES_SERVICE_NAME hawkular-cassandra-nodes

CMD ["/opt/apache-cassandra/bin/cassandra-docker.sh", "--seed_provider_classname=org.hawkular.openshift.cassandra.OpenshiftSeedProvider" ,"--cluster_name=hawkular-metrics"]
104 changes: 104 additions & 0 deletions containers/cassandra-docker/src/main/docker/cassandra-docker.sh
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#!/bin/bash
#
# Copyright 2014-2015 Red Hat, Inc. and/or its affiliates
# and other contributors as indicated by the @author tags.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

for args in "$@"
do
case $args in
--seeds=*)
SEEDS="${args#*=}"
;;
--cluster_name=*)
CLUSTER_NAME="${args#*=}"
;;
--data_volume=*)
DATA_VOLUME="${args#*=}"
;;
--seed_provider_classname=*)
SEED_PROVIDER_CLASSNAME="${args#*=}"
;;
--help)
HELP=true
;;
esac
done

if [ -n "$HELP" ]; then
echo
echo Starts up a Cassandra Docker image
echo
echo Usage: [OPTIONS]...
echo
echo Options:
echo " --seeds=SEEDS"
echo " comma separated list of hosts to use as a seed list"
echo " default: \$HOSTNAME"
echo
echo " --cluster_name=NAME"
echo " the name to use for the cluster"
echo " default: test_cluster"
echo
echo " --data_volume=VOLUME_PATH"
echo " the path to where the data volume should be located"
echo " default: \$CASSANDRA_HOME/data"
echo
echo " --seed_provider_classname"
echo " the classname to use as the seed provider"
echo " default: org.apache.cassandra.locator.SimpleSeedProdiver"
echo
exit 0
fi


# set the hostname in the cassandra configuration file
sed -i 's/${HOSTNAME}/'$HOSTNAME'/g' /opt/apache-cassandra/conf/cassandra.yaml

# if the seed list is not set, set it to the hostname
if [ -n "$SEEDS" ]; then
sed -i 's/${SEEDS}/'$SEEDS'/g' /opt/apache-cassandra/conf/cassandra.yaml
else
sed -i 's/${SEEDS}/'$HOSTNAME'/g' /opt/apache-cassandra/conf/cassandra.yaml
fi

# set the cluster name if set, default to "test_cluster" if not set
if [ -n "$CLUSTER_NAME" ]; then
sed -i 's/${CLUSTER_NAME}/'$CLUSTER_NAME'/g' /opt/apache-cassandra/conf/cassandra.yaml
else
sed -i 's/${CLUSTER_NAME}/test_cluster/g' /opt/apache-cassandra/conf/cassandra.yaml
fi

# set the data volume if set, otherwise use the CASSANDRA_HOME location, otherwise default to '/cassandra_data'
if [ -n "$DATA_VOLUME" ]; then
sed -i 's#${DATA_VOLUME}#'$DATA_VOLUME'#g' /opt/apache-cassandra/conf/cassandra.yaml
elif [ -n "$CASSANDRA_HOME" ]; then
sed -i 's#${DATA_VOLUME}#'$CASSANDRA_HOME'/data#g' /opt/apache-cassandra/conf/cassandra.yaml
else
sed -i 's#${DATA_VOLUME}#/cassandra_data#g' /opt/apache-cassandra/conf/cassandra.yaml
fi

# set the seed provider class name, otherwise default to the SimpleSeedProvider
if [ -n "$SEED_PROVIDER_CLASSNAME" ]; then
sed -i 's#${SEED_PROVIDER_CLASSNAME}#'$SEED_PROVIDER_CLASSNAME'#g' /opt/apache-cassandra/conf/cassandra.yaml
else
sed -i 's#${SEED_PROVIDER_CLASSNAME}#org.apache.cassandra.locator.SimpleSeedProvider#g' /opt/apache-cassandra/conf/cassandra.yaml
fi

if [ -n "$CASSANDRA_HOME" ]; then
exec ${CASSANDRA_HOME}/bin/cassandra -f
else
exec /opt/apache-cassandra/bin/cassandra -f
fi

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