From fba8e2edc2e7bd5a4f2547b3b207d5a5995b4179 Mon Sep 17 00:00:00 2001
From: Dan Rough <dan@g.games>
Date: Thu, 23 May 2024 21:33:42 +0100
Subject: [PATCH] Add support for prerotate script (#22)

---
 README.md                     |  5 ++++-
 molecule/default/converge.yml |  5 ++++-
 tasks/assert.yml              | 12 ++++++++++++
 templates/entry.j2            |  4 ++++
 4 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index b814897..9a83041 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,10 @@ This example is taken from [`molecule/default/converge.yml`](https://github.com/
       - name: example-delaycompress
         path: "/var/log/example-delaycompress/*.log"
         delaycompress: true
-      - name: example-script
+      - name: example-prerotate-script
+        path: "/var/log/example-script/*.log"
+        prerotate: echo "e.g. backup to an offsite location"
+      - name: example-postrotate-script
         path: "/var/log/example-script/*.log"
         postrotate: killall -HUP some_process_name
       - name: btmp
diff --git a/molecule/default/converge.yml b/molecule/default/converge.yml
index 2af0cca..7a35e3c 100644
--- a/molecule/default/converge.yml
+++ b/molecule/default/converge.yml
@@ -29,7 +29,10 @@
       - name: example-delaycompress
         path: "/var/log/example-delaycompress/*.log"
         delaycompress: true
-      - name: example-script
+      - name: example-prerotate-script
+        path: "/var/log/example-script/*.log"
+        prerotate: echo "e.g. backup to an offsite location"
+      - name: example-postrotate-script
         path: "/var/log/example-script/*.log"
         postrotate: killall -HUP some_process_name
       - name: btmp
diff --git a/tasks/assert.yml b/tasks/assert.yml
index 26e4677..65fce4d 100644
--- a/tasks/assert.yml
+++ b/tasks/assert.yml
@@ -127,6 +127,18 @@
   when:
     - item.delaycompress is defined
 
+- name: assert | Test prerotate in logrotate_entries
+  ansible.builtin.assert:
+    that:
+      - item.prerotate is string
+      - item.prerotate is not none
+    quiet: true
+  loop: "{{ logrotate_entries }}"
+  loop_control:
+    label: "{{ item.name }}"
+  when:
+    - item.prerotate is defined
+
 - name: assert | Test postrotate in logrotate_entries
   ansible.builtin.assert:
     that:
diff --git a/templates/entry.j2 b/templates/entry.j2
index 016179c..e17e99b 100644
--- a/templates/entry.j2
+++ b/templates/entry.j2
@@ -34,6 +34,10 @@
 
 {% if item.dateyesterday is defined and item.dateyesterday %}    dateyesterday{% endif %}
 
+{% if item.prerotate is defined %}    prerotate
+        {{ item.prerotate }}
+    endscript{% endif %}
+
 {% if item.postrotate is defined %}    postrotate
         {{ item.postrotate }}
     endscript{% endif %}