monitoring/prometheus: pinning packages

1 files changed, 17 insertions, 2 deletions

diff --git a/roles/monitoring/prometheus/server/tasks/main.yml b/roles/monitoring/prometheus/server/tasks/main.yml
index 4b1bf2c4..c9acd345 100644
--- a/roles/monitoring/prometheus/server/tasks/main.yml
+++ b/roles/monitoring/prometheus/server/tasks/main.yml
@@ -13,11 +13,26 @@
   include_role:
     name: "storage/{{ prometheus_server_storage.type }}/volume"
 
-  ## TODO: pin version
+- name: generate apt pin file for prometheus package
+  when: prometheus_server_version is defined
+  copy:
+    dest: "/etc/apt/preferences.d/prom-server.pref"
+    content: |
+      Package: prom-server
+      Pin: version {{ prometheus_server_version }}-1
+      Pin-Priority: 1001
+
+- name: remove apt pin file for prometheus package
+  when: prometheus_server_version is not defined
+  file:
+    path: "/etc/apt/preferences.d/prom-server.pref"
+    state: absent
+
 - name: install apt packages
   apt:
-    name: prom-server
+    name: "prom-server{% if prometheus_server_version is defined %}={{ prometheus_server_version }}-1{% endif %}"
     state: present
+    allow_downgrade: yes
 
 - name: add user for server
   user: