Provide systemd files

+ move example cfg from etc/ to cfg/

Change-Id: I437b3e2aaca55539ff110f5a46e411b34e0a0b9c
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/21319
Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>

etc/secop-generator

@@ -0,0 +1,59 @@
+
+#!/usr/bin/env python
+#  -*- coding: utf-8 -*-
+# *****************************************************************************
+# Copyright (c) 2015-2019 by the authors, see LICENSE
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# Module authors:
+#   Alexander Lenz <alexander.lenz@frm2.tum.de>
+#   Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
+#
+# *****************************************************************************
+
+import os
+import sys
+import fnmatch
+from os import path
+
+from secop.lib import getGeneralConfig
+
+def main():
+    normal_dir = sys.argv[1]
+
+    global_config = getGeneralConfig()
+    config_dir = global_config['confdir']
+
+    secop_unit = '/lib/systemd/system/secop@.service'
+    wants_dir = normal_dir + '/secop.target.wants'
+
+    all_servers = [base for (base, ext) in
+                   map(path.splitext, os.listdir(config_dir)) if ext == '.cfg']
+    all_servers.sort()
+
+    for srv in all_servers:
+        symlink = '%s/secop@%s.service' % (normal_dir, srv)
+        os.symlink(secop_unit, symlink)
+
+    # the stamp file signals successful run of the generator
+    open(normal_dir + '/secop.stamp', 'w').close()
+
+
+if __name__ == '__main__':
+    try:
+        main()
+    except Exception:
+        pass  # don't signal an error here

etc/secop.target

@@ -0,0 +1,8 @@
+[Unit]
+Description=Start all SECoP SEC-nodes
+Requires=network-online.service
+Wants=network-online.service
+After=network-online.service
+
+[Install]
+WantedBy=multi-user.target

etc/secop@.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=SECoP SEC-node: %i
+After=network-online.service
+
+[Service]
+Type=notify
+ExecStart=/usr/bin/secop-server %I
+Restart=on-abnormal
+RestartSec=30
+
+[Install]
+WantedBy=multi-user.target

secop/lib/__init__.py

@@ -40,7 +40,7 @@ repodir = path.abspath(path.join(path.dirname(__file__), u'..', u'..'))
 CONFIG = {
     u'piddir': os.path.join(repodir, u'pid'),
     u'logdir': os.path.join(repodir, u'log'),
-    u'confdir': os.path.join(repodir, u'etc'),
+    u'confdir': os.path.join(repodir, u'cfg'),
     u'basedir': repodir,
 } if os.path.exists(os.path.join(repodir, u'.git')) else {
     u'piddir': u'/var/run/secop',

setup.py

@@ -43,12 +43,19 @@ setup(
     author='Enrico Faulhaber',
     author_email='enrico.faulhaber@frm2.tum.de',
     description='SECoP Playground core system',
-    packages=find_packages(),
+    packages=find_packages(exclude=['test']),
     package_data={'secop': ['RELEASE-VERSION'] + uis},
-    data_files=[('/etc/init.d', ['etc/secop-server'])],
+    data_files=[
+        ('/etc/init.d', ['etc/secop-server']),
+        ('/lib/systemd/system-generators', ['etc/secop-generator']),
+        ('/lib/systemd/system', ['etc/secop@.service',
+                                 'etc/secop.target']),
+        ('/var/log/secop', []),
+        ('/var/run/secop', []),
+    ],
     scripts=scripts,
     classifiers=[
-        'Development Status :: 6 - Mature',
+        'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'Intended Audience :: Science/Research',
         'Natural Language :: English',
@@ -57,6 +64,8 @@ setup(
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.6',
         'Topic :: Scientific/Engineering',
         'Topic :: Scientific/Engineering :: Human Machine Interfaces',
         'Topic :: Scientific/Engineering :: Physics',