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Added the ability to configure distributed polling

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This commit is contained in:
Jonathan Senecal 2018-09-13 15:06:53 -04:00
parent f9949d1491
commit 6ee3a5600a
1 changed files with 62 additions and 5 deletions
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67
entrypoint.sh
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@ -12,16 +12,31 @@ MEMORY_LIMIT=${MEMORY_LIMIT:-"256M"}
UPLOAD_MAX_SIZE=${UPLOAD_MAX_SIZE:-"16M"}
OPCACHE_MEM_SIZE=${OPCACHE_MEM_SIZE:-"128"}
MEMCACHED_PORT=${MEMCACHED_PORT:-"11211"}
RRDCACHED_PORT=${RRDCACHED_PORT:-"42217"}
LIBRENMS_POLLER_THREADS=${LIBRENMS_POLLER_THREADS:-"16"}
LIBRENMS_POLLER_INTERVAL=${LIBRENMS_POLLER_INTERVAL:-"5"}
LIBRENMS_DISTRIBUTED_POLLER_ENABLE=${LIBRENMS_DISTRIBUTED_POLLER_ENABLE:-false}
LIBRENMS_DISTRIBUTED_POLLER_NAME=${LIBRENMS_DISTRIBUTED_POLLER_NAME:-$(hostname -f)}
LIBRENMS_DISTRIBUTED_POLLER_GROUP=${LIBRENMS_DISTRIBUTED_POLLER_GROUP:-'0'}
LIBRENMS_DISTRIBUTED_POLLER_MEMCACHED_HOST=${LIBRENMS_DISTRIBUTED_POLLER_MEMCACHED_HOST:-"${RRDCACHED_HOST}"}
LIBRENMS_DISTRIBUTED_POLLER_MEMCACHED_PORT=${LIBRENMS_DISTRIBUTED_POLLER_MEMCACHED_PORT:-"${RRDCACHED_PORT}"}
LIBRENMS_CRON_DISCOVERY_ENABLE=${LIBRENMS_CRON_DISCOVERY_ENABLE:-true}
LIBRENMS_CRON_DAILY_ENABLE=${LIBRENMS_CRON_DAILY_ENABLE:-true}
LIBRENMS_CRON_ALERTS_ENABLE=${LIBRENMS_CRON_ALERTS_ENABLE:-true}
LIBRENMS_CRON_BILLING_ENABLE=${LIBRENMS_CRON_BILLING_ENABLE:-true}
LIBRENMS_CRON_BILLING_CALCULATE_ENABLE=${LIBRENMS_CRON_BILLING_CALCULATE_ENABLE:-true}
LIBRENMS_CRON_CHECK_SERVICES_ENABLE=${LIBRENMS_CRON_CHECK_SERVICES_ENABLE:-true}
LIBRENMS_CRON_POLLER_ENABLE=${LIBRENMS_CRON_POLLER_ENABLE:-true}
DB_PORT=${DB_PORT:-"3306"}
DB_NAME=${DB_NAME:-"librenms"}
DB_USER=${DB_USER:-"librenms"}
DB_TIMEOUT=${DB_TIMEOUT:-"30"}
MEMCACHED_PORT=${MEMCACHED_PORT:-"11211"}
RRDCACHED_PORT=${RRDCACHED_PORT:-"42217"}
# From https://github.com/docker-library/mariadb/blob/master/docker-entrypoint.sh#L21-L41
# usage: file_env VAR [DEFAULT]
@ -157,6 +172,18 @@ if [ ! -z "${RRDCACHED_HOST}" ]; then
EOL
fi
# Config : Ditributed poller
if [ ! -z "${LIBRENMS_DISTRIBUTED_POLLER_MEMCACHED_HOST}" -a ! -z "${RRDCACHED_HOST}" -a $LIBRENMS_DISTRIBUTED_POLLER_ENABLE = true ]; then
cat > ${LIBRENMS_PATH}/config.d/distributed_poller.php <<EOL
<?php
\$config['distributed_poller'] = true;
\$config['distributed_poller_name'] = '$LIBRENMS_DISTRIBUTED_POLLER_NAME';
\$config['distributed_poller_group'] = '$LIBRENMS_DISTRIBUTED_POLLER_GROUP';
\$config['distributed_poller_memcached_host'] = '$LIBRENMS_DISTRIBUTED_POLLER_MEMCACHED_HOST';
\$config['distributed_poller_memcached_port'] = $LIBRENMS_DISTRIBUTED_POLLER_MEMCACHED_PORT;
EOL
fi
# Sidecar cron container ?
if [ "$1" == "/usr/local/bin/cron" ]; then
echo ">>"
@ -173,10 +200,40 @@ if [ "$1" == "/usr/local/bin/cron" ]; then
mkdir -m 0644 -p ${CRONTAB_PATH}
touch ${CRONTAB_PATH}/librenms
# Add crons
# Add crontab
cat ${LIBRENMS_PATH}/librenms.nonroot.cron > ${CRONTAB_PATH}/librenms
sed -i -e "s/ librenms //" ${CRONTAB_PATH}/librenms
sed -i -e "s/poller-wrapper.py 16/poller-wrapper.py ${LIBRENMS_POLLER_THREADS}/g" ${CRONTAB_PATH}/librenms
if [ $LIBRENMS_CRON_DISCOVERY_ENABLE != true ]; then
sed -i "/discovery.php/d" ${CRONTAB_PATH}/librenms
fi
if [ $LIBRENMS_CRON_DAILY_ENABLE != true ]; then
sed -i "/daily.sh/d" ${CRONTAB_PATH}/librenms
fi
if [ $LIBRENMS_CRON_ALERTS_ENABLE != true ]; then
sed -i "/alerts.php/d" ${CRONTAB_PATH}/librenms
fi
if [ $LIBRENMS_CRON_BILLING_ENABLE != true ]; then
sed -i "/poll-billing.php/d" ${CRONTAB_PATH}/librenms
fi
if [ $LIBRENMS_CRON_BILLING_CALCULATE_ENABLE != true ]; then
sed -i "/billing-calculate.php/d" ${CRONTAB_PATH}/librenms
fi
if [ $LIBRENMS_CRON_CHECK_SERVICES_ENABLE != true ]; then
sed -i "/check-services.php/d" ${CRONTAB_PATH}/librenms
fi
sed -i "/poller-wrapper.py/d" ${CRONTAB_PATH}/librenms
if [ $LIBRENMS_CRON_POLLER_ENABLE = true ]; then
cat >> ${CRONTAB_PATH}/librenms <<EOL
*/${LIBRENMS_POLLER_INTERVAL} * * * * /opt/librenms/cronic /opt/librenms/poller-wrapper.py ${LIBRENMS_POLLER_THREADS}
EOL
fi
# Fix perms
echo "Fixing permissions..."