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Add statsd_exporter to app PaaS startup scripts

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`statsd_exporter` is only started if `STATSD_HOST` is set to `localhost`.
This commit is contained in:
Alexey Bezhan
2019-04-24 11:23:27 +01:00
parent ba2abc9127
commit 570cbc3eab
2 changed files with 30 additions and 0 deletions
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13
scripts/run_app_paas.sh
View File

@@ -69,10 +69,20 @@ function start_aws_logs_agent {
echo "AWS logs agent pid: ${AWSLOGS_AGENT_PID}" echo "AWS logs agent pid: ${AWSLOGS_AGENT_PID}"
} }
function start_statsd_exporter {
echo "Starting statsd exporter..."
exec ./scripts/statsd_exporter --web.listen-address=":${PORT}" --statsd.listen-udp=":8125" --statsd.mapping-config=statsd_mapping.yml &
STATSD_EXPORTER_PID=$!
echo "Statsd exporter pid: ${STATSD_EXPORTER_PID}"
}
function run { function run {
while true; do while true; do
kill -0 ${APP_PID} 2&>/dev/null || break kill -0 ${APP_PID} 2&>/dev/null || break
kill -0 ${AWSLOGS_AGENT_PID} 2&>/dev/null || start_aws_logs_agent kill -0 ${AWSLOGS_AGENT_PID} 2&>/dev/null || start_aws_logs_agent
if [ "${STATSD_HOST}" == "localhost" ]; then
kill -0 ${STATSD_EXPORTER_PID} 2&>/dev/null || start_statsd_exporter
fi
sleep 1 sleep 1
done done
} }
@@ -84,6 +94,9 @@ check_params
trap "on_exit" EXIT trap "on_exit" EXIT
configure_aws_logs configure_aws_logs
if [ "${STATSD_HOST}" == "localhost" ]; then
start_statsd_exporter
fi
# The application has to start first! # The application has to start first!
start_application "$@" start_application "$@"

17
scripts/run_multi_worker_app_paas.sh
View File

@@ -84,23 +84,33 @@ function send_signal_to_celery_processes {
} }
function start_application { function start_application {
echo "Starting application..."
eval "$@" eval "$@"
get_celery_pids get_celery_pids
echo "Application process pids: "${APP_PIDS} echo "Application process pids: "${APP_PIDS}
} }
function start_aws_logs_agent { function start_aws_logs_agent {
echo "Starting aws logs agent..."
exec aws logs push --region eu-west-1 --config-file /home/vcap/app/awslogs.conf & exec aws logs push --region eu-west-1 --config-file /home/vcap/app/awslogs.conf &
AWSLOGS_AGENT_PID=$! AWSLOGS_AGENT_PID=$!
echo "AWS logs agent pid: ${AWSLOGS_AGENT_PID}" echo "AWS logs agent pid: ${AWSLOGS_AGENT_PID}"
} }
function start_logs_tail { function start_logs_tail {
echo "Starting logs tail..."
exec tail -n0 -f ${LOGS_DIR}/app.log.json & exec tail -n0 -f ${LOGS_DIR}/app.log.json &
LOGS_TAIL_PID=$! LOGS_TAIL_PID=$!
echo "tail pid: ${LOGS_TAIL_PID}" echo "tail pid: ${LOGS_TAIL_PID}"
} }
function start_statsd_exporter {
echo "Starting statsd exporter..."
exec ./scripts/statsd_exporter --web.listen-address=":${PORT}" --statsd.listen-udp=":8125" --statsd.mapping-config=statsd_mapping.yml &
STATSD_EXPORTER_PID=$!
echo "Statsd exporter pid: ${STATSD_EXPORTER_PID}"
}
function ensure_celery_is_running { function ensure_celery_is_running {
if [ "${APP_PIDS}" = "" ]; then if [ "${APP_PIDS}" = "" ]; then
echo "There are no celery processes running, this container is bad" echo "There are no celery processes running, this container is bad"
@@ -116,6 +126,7 @@ function ensure_celery_is_running {
echo "Killing awslogs_agent and tail" echo "Killing awslogs_agent and tail"
kill -9 ${AWSLOGS_AGENT_PID} kill -9 ${AWSLOGS_AGENT_PID}
kill -9 ${LOGS_TAIL_PID} kill -9 ${LOGS_TAIL_PID}
kill -9 ${STATSD_EXPORTER_PID}
exit 1 exit 1
fi fi
@@ -132,6 +143,9 @@ function run {
done done
kill -0 ${AWSLOGS_AGENT_PID} 2&>/dev/null || start_aws_logs_agent kill -0 ${AWSLOGS_AGENT_PID} 2&>/dev/null || start_aws_logs_agent
kill -0 ${LOGS_TAIL_PID} 2&>/dev/null || start_logs_tail kill -0 ${LOGS_TAIL_PID} 2&>/dev/null || start_logs_tail
if [ "${STATSD_HOST}" == "localhost" ]; then
kill -0 ${STATSD_EXPORTER_PID} 2&>/dev/null || start_statsd_exporter
fi
sleep 1 sleep 1
done done
} }
@@ -143,6 +157,9 @@ check_params
trap "on_exit" EXIT trap "on_exit" EXIT
configure_aws_logs configure_aws_logs
if [ "${STATSD_HOST}" == "localhost" ]; then
start_statsd_exporter
fi
# The application has to start first! # The application has to start first!
start_application "$@" start_application "$@"