Vish0007 enable chornos logging 1

chronos/README.md

@@ -10,4 +10,8 @@ Build the docker container for a specific chronos, mesos:
 Example:
 ```
 ./mk.sh 2.3.0-0.1.20141121000021 0.21.0-1.0.ubuntu1404
-```
+```
+Check chronos logs:
+````
+docker exec <chronos container id> /bin/bash -c "tailf /var/log/messages"
+```

chronos/bin/docker-entrypoint.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+#start syslog daemon to enable chronos logging
+#syslogd is already installed in the chronos image
+syslogd
+#start chronos
+#this is coming from CMD[] in docker file [overwritten while running the chronos image]
+"$@"

chronos/chronos-template

@@ -1,10 +1,14 @@
 FROM mesosphere/mesos:MESOS_VERSION
 MAINTAINER Mesosphere <[email protected]>
 
-RUN apt-get update && apt-get -y install chronos=CHRONOS_VERSION curl
+RUN apt-get update && apt-get -y install chronos=CHRONOS_VERSION curl syslogd
 RUN rm -rf /etc/mesos
 RUN rm -rf /etc/chronos/conf
 
 EXPOSE 4400
 
+COPY bin/docker-entrypoint.sh /
+
+ENTRYPOINT ["/docker-entrypoint.sh"]
+
 CMD ["/usr/bin/chronos", "run_jar", "--http_port", "4400", "--zk_hosts",  "localhost:2181", "--master", "zk://localhost:2181"]