add pre/post hooks to restic scripts

roles/restic/files/restic-job.sh

@@ -20,6 +20,7 @@ fi
 
 JOB_PATH="${RESTIC_ETC_PATH}/jobs/${JOB}"
 JOB_ENV="${JOB_PATH}/env.sh"
+HOOKS_PATH="${JOB_PATH}/hooks.d"
 
 if [ ! -r "$JOB_ENV" ]; then
     error_exit "${JOB_ENV} does not exist"
@@ -50,6 +51,11 @@ fi
 
 printf "job '%s' started\n" "$JOB"
 
+if [ -d "${HOOKS_PATH}" ]; then
+    printf "running '%s' job pre-hooks\n" "$JOB"
+    run-parts -v -a pre "${HOOKS_PATH}"
+fi
+
 counter=0
 sleep=1
 rc=1
@@ -77,4 +83,8 @@ if [ $rc -ne 0 ] && [ $counter -eq "$MAX_ATTEMPTS" ]; then
 else
     printf "job '%s' complete\n" "$JOB"
 fi
+
+if [ -d "${HOOKS_PATH}" ]; then
+    printf "running '%s' job post-hooks\n" "$JOB"
+    run-parts -v -a post "${HOOKS_PATH}"
 fi

roles/restic/tasks/job.yaml

@@ -7,7 +7,19 @@
     mode: 0755
     state: directory
 
-- name: create repo environment helper
+- name: create job hooks
+  copy:
+    src: "hooks/{{ hook_item }}"
+    dest: "{{ restic_etc_path }}/jobs/{{ item.name }}/hooks.d/{{ hook_item | basename | splitext | first }}"
+    owner: root
+    group: root
+    mode: 0755
+  loop: "{{ item.hooks | default([]) }}"
+  loop_control:
+    loop_var: hook_item
+  when: item.hooks is defined
+
+- name: create job environment helper
   template:
     src: job-env.sh.j2
     dest: "{{ restic_etc_path }}/jobs/{{ item.name }}/env.sh"
@@ -15,6 +27,15 @@
     group: root
     mode: 0400
 
+- name: install hooks
+  file:
+    path: "{{ restic_etc_path }}/jobs/{{ item.name }}/hooks.d"
+    owner: root
+    group: root
+    mode: 0755
+    state: directory
+  when: item.hooks is defined and item.hooks | length
+
 - name: create job exclude file
   template:
     src: exclude.txt.j2