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# create elasticsearch folders on all nodes
```bash
mkdir -p /mnt/ssd/telemetry/es_data/nodes
chown 1000 /mnt/ssd/telemetry/es_data/nodes
```
# generate ca and tls certs for elasticsearch cluster
start a `bash` in an elasticsearch image, such as `docker.elastic.co/elasticsearch/elasticsearch:7.17.0`: `docker run -ti docker.elastic.co/elasticsearch/elasticsearch:7.17.0 bash`
generate a ca and node certs:
```bash
./bin/elasticsearch-certutil ca
./bin/elasticsearch-certutil cert --ca elastic-stack-ca.p12
```
copy `elastic-certificates.p12` to `/mnt/ssd/telemetry/es_data` in all nodes, and chown it:
```bash
chown 1000 /mnt/ssd/telemetry/es_data/elastic-certificates.p12
```
# create elasticsearch passwords
in elasticsearch container
```bash
./bin/elasticsearch-setup-passwords auto
```
save passwords in consul, at:
- `secrets/telemetry/elastic_passwords/apm_system` for user `apm_system`
- `secrets/telemetry/elastic_passwords/kibana_system` for user `kibana_system`
- `secrets/telemetry/elastic_passwords/elastic` for user `elastic`
check kibana works, login to kibana with user `elastic`
# create role and user for apm
create role `apm_writer`, give privileges:
- cluster privileges `manage_ilm`, `read_ilm`, `manage_ingest_pipelines`
- on index `apm-*` privileges `create_doc`, `create_index`, `view_index_metadata`
- on index `apm-*sourcemap` privilege `read_cross_cluster`
create user `apm` with roles `apm_writer` and `apm_system`. give it a randomly generated password that you save in `secrets/telemetry/elastic_passwords/apm`
check apm data is ingested correctly (visible in kibana)
# create role and user for grafana
create role `grafana`, give privileges:
- on index `apm-*` privileges `read` and `view_index_metadata`
create user `grafana` with role `grafana`. give it a randomly generated password that you save in `secrets/telemetry/elastic_passwords/grafana`
check grafana works
|
