Put grafana bootstrap secrets in secrets location

core/metrics/grafana.nomad

@@ -81,14 +81,8 @@ job "grafana" {
         args = [
           "/bin/bash",
           "-c",
-          "/usr/bin/mysql --defaults-extra-file=/task/my.cnf < /task/bootstrap.sql",
+          "/usr/bin/mysql --defaults-extra-file=$${NOMAD_SECRETS_DIR}/my.cnf < $${NOMAD_SECRETS_DIR}/bootstrap.sql",
         ]
-
-        mount {
-          type = "bind"
-          source = "local/"
-          target = "/task/"
-        }
       }
 
       vault {
@@ -108,7 +102,7 @@ user=root
 password={{ .Data.data.root_password }}
 {{ end }}
         EOF
-        destination = "local/my.cnf"
+        destination = "$${NOMAD_SECRETS_DIR}/my.cnf"
       }
 
       template {
@@ -123,7 +117,7 @@ SELECT 'NOOP';
 {{ end -}}
 {{ end -}}
         EOF
-        destination = "local/bootstrap.sql"
+        destination = "$${NOMAD_SECRETS_DIR}/bootstrap.sql"
       }
 
       resources {