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#!/bin/bash
WAIT_STEP=3
MAX_STEPS=120
HAWKULAR_VERSION='latest'
HAWKULAR_IMAGE=rubensvp/hawkular-metrics:${HAWKULAR_VERSION}
function metrics_status {
curl -s http://localhost:8080/hawkular/metrics/status | jq -r '.MetricsService' 2> /dev/null
}
function alerts_status {
curl -s http://localhost:8080/hawkular/alerts/status | jq -r '.status' 2> /dev/null
}
function cassandra_status {
docker exec hawkular-cassandra nodetool statusbinary | tr -dc '[[:print:]]' 2> /dev/null
}
function wait_hawkular {
METRICS_STATUS=$(metrics_status)
ALERTS_STATUS=$(alerts_status)
TOTAL_WAIT=0
echo "Starting hawkular metrics $HAWKULAR_VERSION ..."
while ([ "$METRICS_STATUS" != "STARTED" ] || ( [ "$ALERTS_STATUS" != "STARTED" ] && [ "$HAWKULAR_VERSION" != "$LOWER_VERSION" ]) ) && [ ${TOTAL_WAIT} -lt ${MAX_STEPS} ]; do
METRICS_STATUS=$(metrics_status)
ALERTS_STATUS=$(alerts_status)
sleep ${WAIT_STEP}
if [[ "$HAWKULAR_VERSION" == "$LOWER_VERSION" ]]; then
echo "Hawkular server status, metrics: $METRICS_STATUS"
else
echo "Hawkular server status, metrics: $METRICS_STATUS, alerts: $ALERTS_STATUS"
fi
TOTAL_WAIT=$((TOTAL_WAIT+WAIT_STEP))
echo "Waited $TOTAL_WAIT seconds for Hawkular metrics to start."
done
}
function launch_hawkular {
docker run --name hawkular-metrics -p 8080:8080 --link hawkular-cassandra -d ${HAWKULAR_IMAGE}
}
function launch_cassandra {
docker run --name hawkular-cassandra -e CASSANDRA_START_RPC=true -d cassandra:3.7
}
function wait_cassandra {
CASSANDRA_STATUS=$(cassandra_status)
TOTAL_WAIT=0;
while [ "$CASSANDRA_STATUS" != "running" ] && [ ${TOTAL_WAIT} -lt ${MAX_STEPS} ]; do
CASSANDRA_STATUS=$(cassandra_status)
echo "Cassandra server status: $CASSANDRA_STATUS."
sleep ${WAIT_STEP}
TOTAL_WAIT=$((TOTAL_WAIT+WAIT_STEP))
echo "Waited $TOTAL_WAIT seconds for Cassandra to start."
done
}
launch_cassandra
wait_cassandra
launch_hawkular
wait_hawkular
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