error handling around viewing unresponsive dns servers in zones. add try/except when adding cname

This commit is contained in:
Jeffrey Forman 2012-11-25 18:02:33 -05:00
parent 0c35125777
commit 0736eb3eb5
1 changed files with 24 additions and 10 deletions

View File

@ -1,4 +1,5 @@
from django.shortcuts import redirect, render from django.shortcuts import redirect, render
from binder import exceptions, forms, helpers, models from binder import exceptions, forms, helpers, models
# Views # Views
@ -32,18 +33,24 @@ def view_server_zones(request, dns_server):
def view_zone_records(request, dns_server, zone_name): def view_zone_records(request, dns_server, zone_name):
""" Display the list of records for a particular zone. """ """ Display the list of records for a particular zone. """
errors = ""
zone_array = {}
try: try:
this_server = models.BindServer.objects.get(hostname=dns_server) this_server = models.BindServer.objects.get(hostname=dns_server)
zone_array = this_server.list_zone_records(zone_name) zone_array = this_server.list_zone_records(zone_name)
except exceptions.TransferException, err: except exceptions.TransferException, err:
return render(request, "bcommon/list_zone.htm", return render(request, "bcommon/list_zone.htm",
{ "errors" : err, { "errors" : err,
"zone_name" : zone_name}) "zone_name" : zone_name,
"dns_server" : dns_server})
except models.BindServer.DoesNotExist:
errors = "Requesting a zone listing for a Bind server that is not configured: %s" % dns_server
return render(request, "bcommon/list_zone.htm", return render(request, "bcommon/list_zone.htm",
{ "zone_array" : zone_array, { "zone_array" : zone_array,
"dns_server" : dns_server, "dns_server" : dns_server,
"zone_name" : zone_name}) "zone_name" : zone_name,
"errors" : errors})
def view_add_record(request, dns_server, zone_name): def view_add_record(request, dns_server, zone_name):
""" View to provide form to add a DNS record. """ """ View to provide form to add a DNS record. """
@ -72,6 +79,8 @@ def view_add_record_result(request):
form_cleaned["create_reverse"]) form_cleaned["create_reverse"])
except exceptions.RecordException, err: except exceptions.RecordException, err:
# TODO: Start using this exception. # TODO: Start using this exception.
# What would cause this?
print "In view_add_record_result, catching RecordException: %s" % err
errors = err errors = err
return render(request, "bcommon/response_result.htm", return render(request, "bcommon/response_result.htm",
@ -98,19 +107,24 @@ def view_add_cname_result(request):
return redirect("/") return redirect("/")
errors = "" errors = ""
add_cname_response = ""
form = forms.FormAddCnameRecord(request.POST) form = forms.FormAddCnameRecord(request.POST)
if form.is_valid(): if form.is_valid():
cd = form.cleaned_data cd = form.cleaned_data
add_cname_response = helpers.add_cname_record( try:
cd["dns_server"], add_cname_response = helpers.add_cname_record(
cd["zone_name"], cd["dns_server"],
str(cd["originating_record"]), cd["zone_name"],
cd["cname"], str(cd["originating_record"]),
cd["ttl"], cd["cname"],
cd["key_name"]) cd["ttl"],
cd["key_name"])
except exceptions.RecordException, err:
errors = err
return render(request, "bcommon/response_result.htm", return render(request, "bcommon/response_result.htm",
{"response" : add_cname_response }) {"response" : add_cname_response,
"errors" : errors })
return render(request, "bcommon/add_cname_record_form.htm", return render(request, "bcommon/add_cname_record_form.htm",
{ "dns_server" : request.POST["dns_server"], { "dns_server" : request.POST["dns_server"],