beacon-node-builds: keep only 3 days worth of builds

Signed-off-by: Jakub Sokołowski <jakub@status.im>

ansible/roles/beacon-node-builds/defaults/main.yml

@@ -3,13 +3,14 @@ beacon_node_builds_user: 'nimbus'
 beacon_node_builds_group: 'staff'
 beacon_node_builds_path: '/data/beacon-node-builds'
 beacon_node_builds_image_name: 'statusteam/nimbus_beacon_node'
+beacon_node_builds_days_kept: 3
 
 # Required for pushing the images
 beacon_node_builds_docker_hub_user: ~
 beacon_node_builds_docker_hub_token: ~
 
 # Timers
-beacon_node_build_timer_timeout: 3600
+beacon_node_builds_timer_timeout: 3600
 
 beacon_node_builds_branches: []
 #  - name: 'unstable'

ansible/roles/beacon-node-builds/tasks/build.yml

@@ -55,6 +55,6 @@
     systemd_timer_consul_warning: true
     systemd_timer_enabled: '{{ item.enabled | default(true) }}'
     systemd_timer_frequency: '{{ item.frequency | default("daily") }}'
-    systemd_timer_timeout_sec: '{{ beacon_node_build_timer_timeout }}'
+    systemd_timer_timeout_sec: '{{ beacon_node_builds_timer_timeout }}'
     systemd_timer_work_dir: '{{ beacon_node_builds_path }}/{{ item.name }}'
     systemd_timer_script_path: '{{ beacon_node_builds_path }}/{{ item.name }}/build.sh'

ansible/roles/beacon-node-builds/templates/build.sh.j2

@@ -33,7 +33,7 @@ function buildBinaries() {
     mv "build/nimbus_signing_process" "build/nimbus_signing_process_${COMMIT}"
 
     # Delete copies that are older than 7 days
-    find build -mtime +7 -exec rm '{}' \+
+    find build -mtime +{{ beacon_node_builds_days_kept }} -exec rm '{}' \+
 }
 
 # Adds binary into a simple Alpine image