instruqt-track-scylladb-setup.sh

### Example for updating Prometheus targets with out restart

#!/bin/bash
echo fs.aio-max-nr=1048576 | sudo tee /etc/sysctl.d/41-aio_max_nr.conf
sudo sysctl -p /etc/sysctl.d/41-aio_max_nr.conf

docker network create -d bridge scylla

cd scylla-monitoring

mkdir prom-data
mkdir prom-targets

cat << EOF > prometheus/scylla-3-nodes.yml
- targets:
    - node1
    - node2
    - node3
  labels:
    cluster: cluster1
    dc: datacenter1
EOF

mv prometheus/scylla-3-nodes.yml prom-targets/scylla_servers.yml

cat << EOF > prometheus/scylla-6-nodes.yml
- targets:
    - node1
    - node2
    - node3
    - node4
    - node5
    - node6
  labels:
    cluster: cluster1
    dc: datacenter1
EOF


./start-all.sh \
  --no-loki --no-alertmanager --no-renderer \
  --target-directory prom-targets \
  -D "--network scylla"
  
### Update Targets
mv scylla-monitoring/prometheus/scylla-6-nodes.yml scylla-monitoring/prom-targets/scylla_servers.yml