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Add option DD_WAIT_TRACE_AGENT to wait for the trace agent startup before application start #158

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merged 5 commits into from
Mar 20, 2023
Merged

Add option DD_WAIT_TRACE_AGENT to wait for the trace agent startup before application start #158

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8375096
wait for TCP port 8126 of the trace agent
NouemanKHAL Feb 8, 2023
c2404e2
add WAIT_DD_TRACE_AGENT env var to control the new behavior
NouemanKHAL Feb 8, 2023
05f5ec1
remove extra lines
NouemanKHAL Feb 13, 2023
c2b2629
add 2 min timeout
NouemanKHAL Feb 13, 2023
bd6a047
apply suggestion
NouemanKHAL Feb 13, 2023
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17 changes: 17 additions & 0 deletions lib/run-datadog.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -233,5 +233,22 @@ main() {
exec 9>&-
fi
fi

# wait for the trace agent startup
if [ "${WAIT_DD_TRACE_AGENT}" = "true" ]; then
timeout=120
while ! nc -z localhost 8126 && [ $timeout -ge 0 ]; do
echo "Waiting for the trace agent to start on 8126..."
sleep 1
timeout=$((timeout - 1))
done
if [ $timeout -ge 0 ]; then
echo "Trace agent is listening for traces"
else
echo "Timed out waiting for the trace agent"
fi
fi
}
main "$@"