Add koschei refresh-group script and cronjob

roles/koschei/backend/files/koschei-refresh-group

@@ -0,0 +1,11 @@
+#!/bin/bash
+if [ "$#" -lt 2 ]; then
+    echo "Usage: refresh-group <group-name> <repoquery-args>..."
+    exit 1
+fi
+set -e
+repodata=`find /var/cache/koschei/repodata/ -maxdepth 1 -type d -name 'primary-f*' | sort -nr | head -n1`
+repoid=`basename repodata`
+group=$1
+shift
+dnf repoquery --repofrompath "$repoid,$repodata/x86_64" --repoid "$repoid" --qf '%{sourcerpm}' "$@" | sed 's|-[^-]*-[^-]*$||' | koschei-admin edit-group "$group" --content-from-file - --append

roles/koschei/backend/tasks/main.yml

@@ -123,6 +123,22 @@
   - koschei
   - config
 
+- name: Copy refresh-group script
+  copy: >
+    src=koschei-refresh-group
+    dest=/usr/local/bin/koschei-refresh-group
+    mode=755
+  when: env == 'staging'
+  tags:
+  - koschei
+
+- name: Copy the group refresh cronjob
+  template: src=cron-refresh-groups.j2 dest=/etc/cron.d/cron-refresh-groups
+  when: env == 'staging'
+  tags:
+  - koschei
+  - config
+
 - name: access to postgres for scripts
   template: src=pgpass.j2 dest=/var/cache/koschei/.pgpass
             owner=koschei group=koschei mode=0600

roles/koschei/backend/templates/cron-refresh-groups.j2

@@ -0,0 +1,3 @@
+SHELL=/bin/bash
+MAILTO=sysadmin-koschei-members@fedoraproject.org
+0 0-23/3 * * *   koschei    koschei-refresh-group php 'php*'