sudo snap install charmed-opensearch --channel=2/edge
sudo snap connect charmed-opensearch:process-control

sudo sysctl -w vm.swappiness=0
sudo sysctl -w vm.max_map_count=262144
sudo sysctl -w net.ipv4.tcp_retries2=5

# create the certificates
sudo snap run charmed-opensearch.setup          \
    --node-name cm0                     \
    --node-roles cluster_manager,data   \
    --tls-priv-key-root-pass root1234   \
    --tls-priv-key-admin-pass admin1234 \
    --tls-priv-key-node-pass node1234   \
    --tls-init-setup yes    # this creates the root and admin certs as well.

sudo snap start charmed-opensearch.daemon

sudo snap run charmed-opensearch.security-init --tls-priv-key-admin-pass=admin1234

# Check if cluster is healthy (green):
sudo snap run charmed-opensearch.test-cluster-health-green
> ....
> PASSED


# Check if node is up:
sudo snap run charmed-opensearch.test-node-up
> ....
> PASSED


# Check if the security index is well initialised:
sudo snap run charmed-opensearch.test-security-index-created
> ....
> PASSED

sudo cp /var/snap/charmed-opensearch/current/etc/opensearch/certificates/node-cm0.pem ./
curl --cacert node-cm0.pem -XGET https://admin:admin@localhost:9200/_cluster/health?pretty
> {
  "cluster_name": "opensearch-cluster",
  "status": "green",
  "timed_out": false,
  "number_of_nodes": 1,
  "number_of_data_nodes": 1,
  "discovered_master": true,
  "discovered_cluster_manager": true,
  "active_primary_shards": 2,
  "active_shards": 2,
  "relocating_shards": 0,
  "initializing_shards": 0,
  "unassigned_shards": 0,
  "delayed_unassigned_shards": 0,
  "number_of_pending_tasks": 0,
  "number_of_in_flight_fetch": 0,
  "task_max_waiting_in_queue_millis": 0,
  "active_shards_percent_as_number": 100
}