Added a view for clients to download Veyon configuration

octonet/urls.py

@@ -6,6 +6,7 @@ urlpatterns = [
     url(r"^login/$", views.Login.as_view(), name="login"),
     url(r"^logout/$", views.Logout.as_view(), name="logout"),
     url(r"^newsfeed/$", views.NewsFeed.as_view(), name="newsfeed"),
+    url(r"^veyon/VeyonClientConfiguration$", views.NewsFeed.as_view(), name="veyon-client-conf"),
     url(r"^octofussd-error/$", views.OctofussdError.as_view(), name="octofussd_error"),
     url(r'^i18n/', include('django.conf.urls.i18n')),
     url(r"^hostqueue/", include("hostqueue.urls", namespace="hostqueue")),

octonet/views.py

 # coding: utf-8
+# Copyright (C) 2021-2022 The FUSS Project <info@fuss.bz.it>
+# Author: Marco Marinello <contact-nohuman@marinello.bz.it>
+#
+# 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; version 2 of the License.
+#
+# 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 or from the site that you downloaded it
+# from; if not, write to the Free Software Foundation, Inc., 59 Temple
+# Place, Suite 330, Boston, MA  02111-1307   USA
+
 import re
 import mimetypes
 from urllib.parse import urlparse
@@ -9,6 +26,7 @@ from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 from django.views.generic import View, TemplateView
 from django.views.generic.edit import FormView
+import json
 from . import backend
 from .forms import FormControlClassMixin
 from .mixins import OctonetMixin, REDIRECT_FIELD_NAME
@@ -137,7 +155,7 @@ class Home(OctonetMixin, TemplateView):
         if root.has("/"):
             serverinfo = root.get("/")
             ctx['filesystems'] = serverinfo.pop("filesystems", [])
-            ctx['load_avg' ] = serverinfo.pop("load_avg", [])
+            ctx['load_avg'] = serverinfo.pop("load_avg", [])
             ctx['last_seen_clients'] = serverinfo.pop("last_seen_clients", [])
             sorted_keys = ['organization', 'kernel_version', 'ram_mbyte']
             if serverinfo:
@@ -149,3 +167,33 @@ class Home(OctonetMixin, TemplateView):
 
 class OctofussdError(IntermediatePageMixin, TemplateView):
     template_name = "octonet/octofussd_error.html"
+
+
+class VeyonClientConfiguration(View):
+    def read_clusters(self):
+        with open("/etc/clusters") as a:
+            content = a.read()
+        clusters = {}
+        for line in content.split("\n"):
+            if len(line.split(" ")) > 1:
+                line = line.split(" ")
+                clusters[line[0]] = line[1:]
+        return clusters
+
+    def get_host_clusters(self, hostname, clusters):
+        out = []
+        for cluster in clusters:
+            if hostname in clusters[cluster]:
+                out.append(cluster)
+        return out
+
+    def get(self):
+        if "hostname" not in self.request.GET:
+            return http.HttpResponse(status=400)
+        clusters = self.read_clusters()
+        host_clusters = [
+            {"name": a, "computers": clusters[a]} for a in self.get_host_clusters(self.request.GET["hostname"])
+        ]
+        return http.HttpResponse(
+            json.dumps(host_clusters), content_type="application/json"
+        )