Update drone config and add drone monitoring to prometheus

cluster/prod/app/drone-ci/deploy/server.hcl

@@ -43,7 +43,7 @@ job "drone-ci" {
     task "drone_server" {
       driver = "docker"
       config {
-        image = "drone/drone:2.12.0"
+        image = "drone/drone:2.12.1"
         ports = [ "web_port" ]
 
         volumes = [
@@ -71,11 +71,9 @@ DRONE_S3_PATH_STYLE=true
 DRONE_DATABASE_DRIVER=sqlite3
 DRONE_DATABASE_DATASOURCE=/ephemeral/drone.db
 DRONE_USER_CREATE=username:lx-admin,admin:true
-__DRONE_REGISTRATION_CLOSED=true
-DRONE_LOGS_TEXT=true
-DRONE_LOGS_PRETTY=true
+DRONE_REGISTRATION_CLOSED=true
 DRONE_LOGS_DEBUG=true
-DOCKER_API_VERSION=1.39
+DRONE_LOGS_TRACE=true
 EOH
         destination = "secrets/env"
         env = true

cluster/prod/app/telemetry/config/prometheus.yml

@@ -28,3 +28,16 @@ scrape_configs:
         ca_file: /etc/prometheus/consul.crt
         cert_file: /etc/prometheus/consul-client.crt
         key_file: /etc/prometheus/consul-client.key
+
+  - job_name: 'drone'
+    authorization:
+      type: Bearer
+      credentials: {{ key "secrets/drone-ci/metrics_token" }}
+    consul_sd_configs:
+    - server: 'https://localhost:8501'
+      services:
+        - 'drone'
+      tls_config:
+        ca_file: /etc/prometheus/consul.crt
+        cert_file: /etc/prometheus/consul-client.crt
+        key_file: /etc/prometheus/consul-client.key