Update telemetry to ES 8.2.0 and simplify config a bit

1 files changed, 10 insertions, 34 deletions

diff --git a/doc/telemetry.md b/doc/telemetry.md
index b34cfc8..968b1e4 100644
--- a/doc/telemetry.md
+++ b/doc/telemetry.md
@@ -1,13 +1,6 @@
-# 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`
+start a `bash` in an elasticsearch image, such as `docker.elastic.co/elasticsearch/elasticsearch:8.2.0`: `docker run -ti docker.elastic.co/elasticsearch/elasticsearch:8.2.0 bash`
 
 generate a ca and node certs:
 
@@ -16,46 +9,29 @@ generate a ca and node certs:
 ./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:
+write these files in Consul at `secrets/telemetry/elasticsearch/elastic-certificates.p12` and `secrets/telemetry/elasticsearch/elastic-stack-ca.p12`
+
+# start nomad services
 
 ```bash
-chown 1000 /mnt/ssd/telemetry/es_data/elastic-certificates.p12
+nomad run telemetry-system.hcl
+nomad run telemetry.hcl
 ```
 
 # create elasticsearch passwords
 
-in elasticsearch container
+in an elasticsearch container that was launched by Nomad:
 
 ```bash
-./bin/elasticsearch-setup-passwords auto
+./bin/elasticsearch-reset-password -u elastic
+./bin/elasticsearch-reset-password -u kibana
 ```
 
 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`, `manage_index_templates`
-- on index `apm-*` privileges `create_doc`, `create_index`, `view_index_metadata`, `manage`
-- 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
+grafana and apm-server will use the elastic user (the admin) to write data to elasticsearch