Initial commit

Dockerfile

@@ -0,0 +1,21 @@
+FROM java:8-jdk
+MAINTAINER Jan Schulte <[email protected]>
+
+ENV TRIFECTA_VERSION=0.21.0 TRIFECTA_URL=https://github.com/ldaniels528/trifecta/releases/download
+
+WORKDIR /home
+RUN wget $TRIFECTA_URL/v$TRIFECTA_VERSION/trifecta_ui-$TRIFECTA_VERSION.zip && \
+	unzip trifecta_ui-$TRIFECTA_VERSION.zip  && \
+	rm trifecta_ui-$TRIFECTA_VERSION.zip && \
+	mv trifecta_ui-$TRIFECTA_VERSION trifecta
+
+COPY config.properties setup.sh entrypoint.sh ./trifecta/
+RUN groupadd -r trifecta && useradd -r -g trifecta trifecta && chown -R trifecta /home && chgrp -R trifecta /home && chmod a+x trifecta/entrypoint.sh
+USER trifecta
+
+WORKDIR /home/trifecta
+
+VOLUME /home/trifecta/conf
+EXPOSE 9000
+
+ENTRYPOINT /home/trifecta/entrypoint.sh

README.md

@@ -1,2 +1,8 @@
 # docker-trifecta
-Trifecta docker image
+
+Start the container with the following command:
+
+```sh
+docker run -d --rm --name trifecta -p 9000:9000 -e ZK_HOST=localhost:2181 janschultecom/trifecta
+```
+where ZK_HOST is the url to your Zookeeper instance (e.g. localhost:2181).

config.properties

@@ -0,0 +1,17 @@
+# the embedded web server host/IP and port for client connections
+trifecta.web.host = localhost
+trifecta.web.port = 9000
+
+trifecta.zookeeper.host = {{ZK_HOST}}
+
+# the interval (in seconds) that changes to consumer offsets will be pushed to web-socket clients
+trifecta.web.push.interval.consumer = 15
+
+# the interval (in seconds) that sampling messages will be pushed to web-socket clients
+trifecta.web.push.interval.sampling = 2
+
+# the interval (in seconds) that changes to topics (new messages) will be pushed to web-socket clients
+trifecta.web.push.interval.topic = 15
+
+# the number of actors to create for servicing requests
+trifecta.web.actor.concurrency = 10

entrypoint.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+# Setup trifecta configuration
+mkdir .trifecta
+chmod a+x setup.sh
+mv setup.sh .trifecta/
+mv config.properties .trifecta/
+cd .trifecta
+sh setup.sh
+
+# Start ui
+cd ..
+bin/trifecta_ui
+

setup.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+if [ -z ${ZK_HOST+x} ];
+then
+  echo "Zookeeper host not set, using localhost";
+  sed -i -e s/{{ZK_HOST}}/localhost/ config.properties
+else
+  echo "Using Zookeeper host: '$ZK_HOST'";
+  sed -i -e s/{{ZK_HOST}}/${ZK_HOST}/ config.properties
+fi