Move per-minion telegraf cred provisioning into so-minion

Simpler, race-free replacement for the reactor + orch + fan-out chain.

- salt/manager/tools/sbin/so-minion: expand add_telegraf_to_minion to
  generate a random 72-char password, reuse any existing password from
  the aggregate pillar, write postgres.telegraf.{user,pass} into the
  minion's own pillar file, and update the aggregate pillar so
  postgres.telegraf_users can CREATE ROLE on the next manager apply.
  Every create<ROLE> function already calls this hook, so add / addVM /
  setup dispatches are all covered identically and synchronously.
- salt/postgres/auth.sls: strip the fanout_targets loop and the
  postgres_telegraf_minion_pillar_<safe> cmd.run block — it's now
  redundant. The state still manages the so_postgres admin user and
  writes the aggregate pillar for postgres.telegraf_users to consume.
- salt/reactor/telegraf_user_sync.sls: deleted.
- salt/orch/telegraf_postgres_sync.sls: deleted.
- salt/salt/master.sls: drop the reactor_config_telegraf block that
  registered the reactor on /etc/salt/master.d/reactor_telegraf.conf.
- salt/orch/deploy_newnode.sls: drop the manager_fanout_postgres_telegraf
  step and the require: it added to the newnode highstate. Back to its
  original 3/dev shape.

No more ephemeral postgres_fanout_minion pillar, no more async salt/key
reactor, no more so-minion setupMinionFiles race: the pillar write
happens inline inside setupMinionFiles itself.
This commit is contained in:
Mike Reeves
2026-04-21 15:34:15 -04:00
parent 1abfd77351
commit 5f28e9b191
6 changed files with 31 additions and 124 deletions
+31
View File
@@ -542,6 +542,37 @@ function add_telegraf_to_minion() {
log "ERROR" "Failed to add telegraf configuration to $PILLARFILE"
return 1
fi
# Provision the per-minion postgres Telegraf credential so telegraf.conf
# renders correctly on the minion's first highstate and postgres.telegraf_users
# picks up the matching aggregate entry on the next manager apply.
#
# Writes:
# - postgres.telegraf.{user,pass} into the minion's own pillar file
# (distributed to only this minion via pillar/top.sls).
# - postgres.auth.users.telegraf_<safe>.{user,pass} into the aggregate
# pillar so postgres.telegraf_users CREATE ROLE finds it.
#
# An existing password is reused if the aggregate already has one (re-add),
# so rerunning so-minion for the same minion keeps the cred stable.
local MINION_SAFE
MINION_SAFE=$(echo "$MINION_ID" | tr '.-' '__' | tr '[:upper:]' '[:lower:]')
local PG_USER="so_telegraf_${MINION_SAFE}"
local AGGREGATE=/opt/so/saltstack/local/pillar/postgres/auth.sls
local PG_PASS=""
if [[ -f "$AGGREGATE" ]]; then
PG_PASS=$(so-yaml.py get -r "$AGGREGATE" "postgres.auth.users.telegraf_${MINION_SAFE}.pass" 2>/dev/null || true)
fi
if [[ -z "$PG_PASS" ]]; then
PG_PASS=$(tr -dc 'A-Za-z0-9~!@#^&*()_=+[]|;:,.<>?-' < /dev/urandom | head -c 72)
fi
so-yaml.py replace "$PILLARFILE" postgres.telegraf.user "$PG_USER" >/dev/null
so-yaml.py replace "$PILLARFILE" postgres.telegraf.pass "$PG_PASS" >/dev/null
if [[ -f "$AGGREGATE" ]]; then
so-yaml.py replace "$AGGREGATE" "postgres.auth.users.telegraf_${MINION_SAFE}.user" "$PG_USER" >/dev/null
so-yaml.py replace "$AGGREGATE" "postgres.auth.users.telegraf_${MINION_SAFE}.pass" "$PG_PASS" >/dev/null
fi
}
function add_influxdb_to_minion() {