numam-spdk/scripts/rpc_http_proxy.py
shahar salzman 21cfc857ff scripts, test: fix python overindent issues
Signed-off-by: shahar salzman <shahar.salzman@kaminario.com>
Change-Id: I52f3b39d1ae7d0454a2a3d5f2564aae2c758cab7
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449992
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2019-04-04 03:59:12 +00:00

124 lines
3.1 KiB
Python
Executable File

#!/usr/bin/env python3
import base64
import errno
import json
import socket
import sys
try:
from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
except ImportError:
from http.server import HTTPServer
from http.server import BaseHTTPRequestHandler
rpc_sock = None
def print_usage_and_exit(status):
print('Usage: rpc_http_proxy.py <server IP> <server port> <user name>' +
' <password> <SPDK RPC socket (optional, default: /var/tmp/spdk.sock)>')
sys.exit(status)
def rpc_call(req):
global rpc_sock
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.connect(rpc_sock)
sock.sendall(req)
if 'id' not in json.loads(req.decode('ascii')):
sock.close()
return None
buf = ''
closed = False
response = None
while not closed:
newdata = sock.recv(1024)
if (newdata == b''):
closed = True
buf += newdata.decode('ascii')
try:
response = json.loads(buf)
except ValueError:
continue # incomplete response; keep buffering
break
sock.close()
if not response and len(buf) > 0:
raise
return buf
class ServerHandler(BaseHTTPRequestHandler):
key = ""
def do_HEAD(self):
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
def do_AUTHHEAD(self):
self.send_response(401)
self.send_header('WWW-Authenticate', 'text/html')
self.send_header('Content-type', 'text/html')
self.end_headers()
def do_INTERNALERROR(self):
self.send_response(500)
self.send_header('Content-type', 'text/html')
self.end_headers()
def do_POST(self):
if self.headers['Authorization'] != 'Basic ' + self.key:
self.do_AUTHHEAD()
else:
data_string = self.rfile.read(int(self.headers['Content-Length']))
try:
response = rpc_call(data_string)
if response is not None:
self.do_HEAD()
self.wfile.write(bytes(response.encode(encoding='ascii')))
except ValueError:
self.do_INTERNALERROR()
def main():
global rpc_sock
if len(sys.argv) == 1 or sys.argv[1] == '-h':
print_usage_and_exit(0)
elif len(sys.argv) < 5:
print('Not enough arguments')
print_usage_and_exit(errno.EINVAL)
elif len(sys.argv) > 6:
print('Too many arguments')
print_usage_and_exit(errno.E2BIG)
if len(sys.argv) == 6:
rpc_sock = sys.argv[5]
else:
rpc_sock = '/var/tmp/spdk.sock'
# encoding user name and password
key = base64.b64encode((sys.argv[3]+':'+sys.argv[4]).encode(encoding='ascii')).decode('ascii')
try:
ServerHandler.key = key
httpd = HTTPServer((sys.argv[1], int(sys.argv[2])), ServerHandler)
print('Started RPC http proxy server')
httpd.serve_forever()
except KeyboardInterrupt:
print('Shutting down server')
httpd.socket.close()
if __name__ == '__main__':
main()