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https://github.com/PostHog/posthog.git
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97 lines
2.8 KiB
Bash
Executable File
97 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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set -e
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help () {
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echo "$0 - start PostHog's Celery worker"
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echo
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echo "$0 [options]"
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echo
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echo "Options:"
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echo " --help, -h show this brief help"
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echo " --with-scheduler start RedBeat, the Celery scheduler (deprecates --with-beat)"
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echo " --concurrency=<N> start N workers (overrides env var WEB_CONCURRENCY)"
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echo
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echo "Advanced Celery options (disabled by default):"
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echo " --with-heartbeat start Celery internal heartbeat (normally not useful)"
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echo " --with-mingle start Celery mingle (normally not useful)"
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exit 0
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}
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with_scheduler=false
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with_gossip=true
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with_heartbeat=false
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with_mingle=false
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while test $# -gt 0; do
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case "$1" in
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-h|--help)
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help
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;;
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--with-scheduler)
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with_scheduler=true
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shift
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;;
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--with-beat) # Deprecated since the name is too similar to "heartbeat"
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echo "⚠️ Using docker-worker-celery with --with-beat. This argument is deprecated. Use --with-scheduler instead!"
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with_scheduler=true
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shift
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;;
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--with-heartbeat)
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with_heartbeat=true
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shift
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;;
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--with-mingle)
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with_mingle=true
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shift
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;;
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--concurrency*)
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export WEB_CONCURRENCY=`echo $1 | sed -e 's/^[^=]*=//g'`
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shift
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;;
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*)
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break
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;;
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esac
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done
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# Stop any background jobs on exit
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trap 'kill $(jobs -p)' EXIT
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if [ "$with_scheduler" == "true" ]; then
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./bin/docker-worker-beat &
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fi
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FLAGS=()
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FLAGS+=("-Ofair")
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FLAGS+=("-n node@%h")
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[ "$with_gossip" == "false" ] && FLAGS+=("--without-gossip")
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[ "$with_mingle" == "false" ] && FLAGS+=("--without-mingle")
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[ "$with_heartbeat" == "false" ] && FLAGS+=("--without-heartbeat")
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# On Heroku $WEB_CONCURRENCY contains suggested number of forks per dyno type
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# https://github.com/heroku/heroku-buildpack-python/blob/main/vendor/WEB_CONCURRENCY.sh
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[[ -n "${WEB_CONCURRENCY}" ]] && FLAGS+=" --concurrency $WEB_CONCURRENCY"
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# Restart worker process after it processes this many tasks (to mitigate memory leaks)
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[[ -n "${CELERY_MAX_TASKS_PER_CHILD}" ]] && FLAGS+=" --max-tasks-per-child $CELERY_MAX_TASKS_PER_CHILD"
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# Restart worker process after it exceeds this much memory usage (to mitigate memory leaks)
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[[ -n "${CELERY_MAX_MEMORY_PER_CHILD}" ]] && FLAGS+=" --max-memory-per-child $CELERY_MAX_MEMORY_PER_CHILD"
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[[ -n "${CELERY_WORKER_PREFETCH_MULTIPLIER}" ]] && FLAGS+=" --prefetch-multiplier $CELERY_WORKER_PREFETCH_MULTIPLIER"
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if [[ -z "${CELERY_WORKER_QUEUES}" ]]; then
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source ./bin/celery-queues.env
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fi
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echo
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echo "SKIP_ASYNC_MIGRATIONS_SETUP=0 celery -A posthog worker ${FLAGS[*]}"
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echo
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./bin/migrate-check
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SKIP_ASYNC_MIGRATIONS_SETUP=0 CELERY_WORKER_QUEUES=$CELERY_WORKER_QUEUES celery -A posthog worker ${FLAGS[*]} &
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# Exit if any processes exit, and exit with it's exit code
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wait -n
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exit $?
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