datahub/docker/datahub-mae-consumer/start.sh

#!/bin/bash

# Add default URI (http) scheme to NEO4J_HOST if missing
if [[ -n "$NEO4J_HOST" && $NEO4J_HOST != *"://"* ]] ; then
    NEO4J_HOST="http://$NEO4J_HOST"
fi

if [[ ! -z $ELASTICSEARCH_USERNAME ]] && [[ -z $ELASTICSEARCH_AUTH_HEADER ]]; then
  AUTH_TOKEN=$(echo -ne "$ELASTICSEARCH_USERNAME:$ELASTICSEARCH_PASSWORD" | base64 --wrap 0)
  ELASTICSEARCH_AUTH_HEADER="Authorization:Basic $AUTH_TOKEN"
fi

# Add default header if needed
if [[ -z $ELASTICSEARCH_AUTH_HEADER ]]; then
    ELASTICSEARCH_AUTH_HEADER="Accept: */*"
fi

# Add elasticsearch protocol
if [[ $ELASTICSEARCH_USE_SSL == true ]]; then
    ELASTICSEARCH_PROTOCOL=https
else
    ELASTICSEARCH_PROTOCOL=http
fi

WAIT_FOR_KAFKA=""
if [[ $SKIP_KAFKA_CHECK != true ]]; then
  WAIT_FOR_KAFKA=" -wait tcp://$(echo $KAFKA_BOOTSTRAP_SERVER | sed 's/,/ -wait tcp:\/\//g') "
fi

WAIT_FOR_ELASTICSEARCH=""
if [[ $SKIP_ELASTICSEARCH_CHECK != true ]]; then
  WAIT_FOR_ELASTICSEARCH=" -wait $ELASTICSEARCH_PROTOCOL://$ELASTICSEARCH_HOST:$ELASTICSEARCH_PORT -wait-http-header \"$ELASTICSEARCH_AUTH_HEADER\""
fi

# Add dependency to graph service if needed
WAIT_FOR_GRAPH_SERVICE=""
if [[ $GRAPH_SERVICE_IMPL == neo4j ]] && [[ $SKIP_NEO4J_CHECK != true ]]; then
  WAIT_FOR_GRAPH_SERVICE=" -wait $NEO4J_HOST "
elif [[ $GRAPH_SERVICE_IMPL == dgraph ]] && [[ $SKIP_DGRAPH_CHECK != true ]]; then
  WAIT_FOR_GRAPH_SERVICE=" -wait $DGRAPH_HOST "
fi

OTEL_AGENT=""
if [[ $ENABLE_OTEL == true ]]; then
  OTEL_AGENT="-javaagent:opentelemetry-javaagent-all.jar "
fi

PROMETHEUS_AGENT=""
if [[ $ENABLE_PROMETHEUS == true ]]; then
  PROMETHEUS_AGENT="-javaagent:jmx_prometheus_javaagent.jar=4318:/datahub/datahub-mae-consumer/scripts/prometheus-config.yaml "
fi

COMMON="
    $WAIT_FOR_KAFKA \
    $WAIT_FOR_NEO4J \
    $WAIT_FOR_GRAPH_SERVICE \
    -timeout 240s \
    java $JAVA_OPTS $JMX_OPTS $OTEL_AGENT $PROMETHEUS_AGENT -jar /datahub/datahub-mae-consumer/bin/mae-consumer-job.jar
"
if [[ $SKIP_ELASTICSEARCH_CHECK != true ]]; then
  dockerize $COMMON
else
  dockerize \
    -wait $ELASTICSEARCH_PROTOCOL://$ELASTICSEARCH_HOST:$ELASTICSEARCH_PORT -wait-http-header "$ELASTICSEARCH_AUTH_HEADER" \
    $COMMON
fi