added managing of logrotate.conf  (#6)

* added managing of logrotate.conf for possibility enable globally compress or change keep period

* add missed file

* add config section to readme

* renamed variable for better representation, old name was a bit confusing
diff --git a/README.rst b/README.rst
index ad9cdbb..84984ce 100644
--- a/README.rst
+++ b/README.rst
@@ -52,6 +52,19 @@
               - compress
               - postrotate: "reload rsyslog >/dev/null 2>&1 || true"
 
+Change parameters in main logrotate.conf file:
+
+.. code-block:: yaml
+
+    logrotate:
+      server:
+        enabled: true
+        global_conf:
+          compress: true
+          rotate: daily
+          keep_rotate: 6
+          dateext: true
+
 Cross-formula relationship
 ==========================
 
diff --git a/logrotate/files/logrotate.conf b/logrotate/files/logrotate.conf
new file mode 100644
index 0000000..023cc70
--- /dev/null
+++ b/logrotate/files/logrotate.conf
@@ -0,0 +1,53 @@
+{%- from "logrotate/map.jinja" import server with context -%}
+# see "man logrotate" for details
+# rotate log files weekly
+{{ server.global_conf.rotate }}
+
+{%- if grains['os_family'] == "Debian" %}
+
+# use the syslog group by default, since this is the owning group
+# of /var/log/syslog.
+su root syslog
+{%- endif %}
+
+# keep 4 weeks worth of backlogs
+rotate {{ server.global_conf.keep_rotate }}
+
+# create new (empty) log files after rotating old ones
+create
+
+{%- if server.global_conf.dateext %}
+
+# use date as a suffix of the rotated file
+dateext
+{%- endif %}
+
+# uncomment this if you want your log files compressed
+{%- if server.global_conf.compress %}
+compress
+{%- else %}
+#compress
+{%- endif %}
+
+# packages drop log rotation information into this directory
+include /etc/logrotate.d
+
+# no packages own wtmp, or btmp -- we'll rotate them here
+/var/log/wtmp {
+    missingok
+    monthly
+    create 0664 root utmp
+    rotate 1
+}
+
+/var/log/btmp {
+    missingok
+    monthly
+    create 0660 root utmp
+    rotate 1
+}
+
+# system-specific logs may be configured here
+{#-
+vim: syntax=jinja
+-#}
diff --git a/logrotate/map.jinja b/logrotate/map.jinja
index 473917e..dfedd16 100644
--- a/logrotate/map.jinja
+++ b/logrotate/map.jinja
@@ -4,6 +4,23 @@
   - logrotate
   config_dir: /etc/logrotate.d
   config: /etc/logrotate.conf
+  global_conf:
+    compress: false
+    rotate: weekly
+    keep_rotate: 4
+    dateext: false
+
+RedHat:
+  pkgs:
+  - logrotate
+  config_dir: /etc/logrotate.d
+  config: /etc/logrotate.conf
+  global_conf:
+    compress: true
+    rotate: weekly
+    keep_rotate: 4
+    dateext: true
+
 {%- endload %}
 
 {%- set server = salt['grains.filter_by'](server_defaults, merge=salt['pillar.get']('logrotate:server')) %}
diff --git a/logrotate/server.sls b/logrotate/server.sls
index 18dd045..b45df64 100644
--- a/logrotate/server.sls
+++ b/logrotate/server.sls
@@ -31,4 +31,12 @@
 
 {%- endfor %}
 
+logrotate_conf:
+  file.managed:
+    - name: {{ server.config }}
+    - source: salt://logrotate/files/logrotate.conf
+    - template: jinja
+    - require:
+      - pkg: logrotate_packages
+
 {%- endif %}