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Add CYGNUS_CONF_URL to fetch a custom agent config w/o rebuilding docker image #1418

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Add CYGNUS_CONF_URL to fetch a custom agent config w/o rebuilding docker image #1418

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12 changes: 6 additions & 6 deletions docker/cygnus-ngsi/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -139,15 +139,15 @@ RUN \
${FLUME_HOME}/plugins.d/cygnus/lib/cygnus-ngsi-${CYGNUS_VERSION}-jar-with-dependencies.jar.pack.gz \
${FLUME_HOME}/plugins.d/cygnus/lib/cygnus-ngsi-${CYGNUS_VERSION}-jar-with-dependencies.jar && \
rm -f ${FLUME_HOME}/plugins.d/cygnus/libext/cygnus-common-${CYGNUS_VERSION}-jar-with-dependencies.jar && \
rm -f ${FLUME_HOME}/plugins.d/cygnus/lib/cygnus-ngsi-${CYGNUS_VERSION}-jar-with-dependencies.jar && \
echo "INFO: Copy some files needed for starting cygnus-ngsi" && \
cp -p ${CYGNUS_HOME}/docker/cygnus-ngsi/cygnus-entrypoint.sh / && \
cp -p ${CYGNUS_HOME}/docker/cygnus-ngsi/agent.conf ${FLUME_HOME}/conf/ && \
cp -p ${CYGNUS_HOME}/docker/cygnus-ngsi/cartodb_keys.conf ${FLUME_HOME}/conf/
rm -f ${FLUME_HOME}/plugins.d/cygnus/lib/cygnus-ngsi-${CYGNUS_VERSION}-jar-with-dependencies.jar

# Copy some files needed for starting cygnus-ngsi
COPY cygnus-entrypoint.sh /
COPY agent.conf ${FLUME_HOME}/conf/
COPY cartodb_keys.conf ${FLUME_HOME}/conf/

# Define the entry point
ENTRYPOINT ["/cygnus-entrypoint.sh"]

# Ports used by cygnus-ngsi
EXPOSE ${CYGNUS_SERVICE_PORT} ${CYGNUS_API_PORT}

7 changes: 7 additions & 0 deletions docker/cygnus-ngsi/cygnus-entrypoint.sh
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Expand Up @@ -21,6 +21,13 @@
[[ -f ${FLUME_HOME}/plugins.d/cygnus/libext/cygnus-common-${CYGNUS_VERSION}-jar-with-dependencies.jar.pack.gz ]] && unpack200 -r ${FLUME_HOME}/plugins.d/cygnus/libext/cygnus-common-${CYGNUS_VERSION}-jar-with-dependencies.jar.pack.gz ${FLUME_HOME}/plugins.d/cygnus/libext/cygnus-common-${CYGNUS_VERSION}-jar-with-dependencies.jar
[[ -f ${FLUME_HOME}/plugins.d/cygnus/lib/cygnus-ngsi-${CYGNUS_VERSION}-jar-with-dependencies.jar.pack.gz ]] && unpack200 -r ${FLUME_HOME}/plugins.d/cygnus/lib/cygnus-ngsi-${CYGNUS_VERSION}-jar-with-dependencies.jar.pack.gz ${FLUME_HOME}/plugins.d/cygnus/lib/cygnus-ngsi-${CYGNUS_VERSION}-jar-with-dependencies.jar

# Allow user-defined external conf
if [ -n "$CYGNUS_CONF_URL" ]; then
echo 'Downloading CYGNUS_CONF_FILE from: ' $CYGNUS_CONF_URL
yum install -y -q wget
wget -t 3 $CYGNUS_CONF_URL -O $CYGNUS_CONF_FILE
fi

# Change parameters in the agent configuration file
sed -i '/'${CYGNUS_AGENT_NAME}'.sinks.mysql-sink.mysql_host/c '${CYGNUS_AGENT_NAME}'.sinks.mysql-sink.mysql_host = '${CYGNUS_MYSQL_HOST} ${FLUME_HOME}/conf/agent.conf
sed -i '/'${CYGNUS_AGENT_NAME}'.sinks.mysql-sink.mysql_port/c '${CYGNUS_AGENT_NAME}'.sinks.mysql-sink.mysql_port = '${CYGNUS_MYSQL_PORT} ${FLUME_HOME}/conf/agent.conf
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