def _get_crash_data(node_id, crash_id):
""" Given a node ID and crash ID, pull the crash data and return it
"""
data = ""
try:
cdir = settings.NODE_DIR + '/' + str(node_id)
with open(cdir + '/' + str(crash_id) + '/crash_description.txt') as f:
data = f.read()
except Exception, e:
utility.msg("Failed to read crash %d data: %s" % (node_id, e), LOG)
data = None
def delete_node(node_id):
""" Remove a node from the system
"""
try:
node = Node.objects.get(id = node_id)
utility.msg("Removing node %s" % node_id, LOG)
node.delete()
# clear the node crash dir
ndir = settings.NODE_DIR + '/%s/' % node_id
if os.path.isdir(ndir):
rmtree(ndir)
except Exception, e:
utility.msg("Failed to fetch node %s: %s" % (node_id, e), LOG)
def _validate_node(request):
""" Validate an incoming request; returns the node if found,
otherwise None
"""
try:
data = json.loads(request.body)
node_id = data["node_id"]
skey = data["skey"]
node = Node.objects.get(id = node_id)
if node.ip != request.META.get("REMOTE_ADDR"):
utility.msg("Remote address %s does not match node %s IP (%s)" %
(request.META.get("REMOTE_ADDR"), node.id, node.ip), LOG)
node = None
if sha256(settings.SECRET_KEY).hexdigest() != skey:
utility.msg("Invalid key found for node %s from ip %s" %
(node.id, request.META.get("REMOTE_ADDR")), LOG)
node = None
except Exception, e:
utility.msg("Failed to validate node: %s" % e, LOG)
node = None
