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authorLuc Provoost <luc.provoost@intel.com>2019-06-27 12:52:11 +0200
committerLuc Provoost <luc.provoost@intel.com>2019-06-28 16:50:11 +0200
commit080733bfa5facd0eb457fc3db1c3ee7885f2a438 (patch)
tree61a65d0526103bf2428656562a3e295d8a5abeb3 /VNFs/DPPD-PROX/helper-scripts/openstackrapid/prox_ctrl.py
parentc8e9e6bb696363a397b2e718eb4d3e5f38a8ef22 (diff)
Change of openstackrapid directory name
The scripts are orrignally written to support an OpenStack deployment. We are now making changes to support container environments, hence renaming the directory to rapid. Change-Id: Icaa2fad83c6da451eee733934151e98e9cd07de4 Signed-off-by: Luc Provoost <luc.provoost@intel.com>
Diffstat (limited to 'VNFs/DPPD-PROX/helper-scripts/openstackrapid/prox_ctrl.py')
-rw-r--r--VNFs/DPPD-PROX/helper-scripts/openstackrapid/prox_ctrl.py254
1 files changed, 0 insertions, 254 deletions
diff --git a/VNFs/DPPD-PROX/helper-scripts/openstackrapid/prox_ctrl.py b/VNFs/DPPD-PROX/helper-scripts/openstackrapid/prox_ctrl.py
deleted file mode 100644
index 3ee28c00..00000000
--- a/VNFs/DPPD-PROX/helper-scripts/openstackrapid/prox_ctrl.py
+++ /dev/null
@@ -1,254 +0,0 @@
-##
-## Copyright (c) 2010-2017 Intel Corporation
-##
-## Licensed under the Apache License, Version 2.0 (the "License");
-## you may not use this file except in compliance with the License.
-## You may obtain a copy of the License at
-##
-## http://www.apache.org/licenses/LICENSE-2.0
-##
-## Unless required by applicable law or agreed to in writing, software
-## distributed under the License is distributed on an "AS IS" BASIS,
-## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-## See the License for the specific language governing permissions and
-## limitations under the License.
-##
-
-from __future__ import print_function
-
-import os
-import subprocess
-import socket
-
-class prox_ctrl(object):
- def __init__(self, ip, key=None, user=None):
- self._ip = ip
- self._key = key
- self._user = user
- self._children = []
- self._proxsock = []
-
- def ip(self):
- return self._ip
-
- def connect(self):
- """Simply try to run 'true' over ssh on remote system.
- On failure, raise RuntimeWarning exception when possibly worth
- retrying, and raise RuntimeError exception otherwise.
- """
- return self.run_cmd('true', True)
-
- def close(self):
- """Must be called before program termination."""
-# for prox in self._proxsock:
-# prox.quit()
- children = len(self._children)
- if children == 0:
- return
- if children > 1:
- print('Waiting for %d child processes to complete ...' % children)
- for child in self._children:
- ret = os.waitpid(child[0], os.WNOHANG)
- if ret[0] == 0:
- print("Waiting for child process '%s' to complete ..." % child[1])
- ret = os.waitpid(child[0], 0)
- rc = ret[1]
- if os.WIFEXITED(rc):
- if os.WEXITSTATUS(rc) == 0:
- print("Child process '%s' completed successfully" % child[1])
- else:
- print("Child process '%s' returned exit status %d" % (
- child[1], os.WEXITSTATUS(rc)))
- elif os.WIFSIGNALED(rc):
- print("Child process '%s' exited on signal %d" % (
- child[1], os.WTERMSIG(rc)))
- else:
- print("Wait status for child process '%s' is 0x%04x" % (
- child[1], rc))
-
- def run_cmd(self, command, _connect=False):
- """Execute command over ssh on remote system.
- Wait for remote command completion.
- Return command output (combined stdout and stderr).
- _connect argument is reserved for connect() method.
- """
- cmd = self._build_ssh(command)
- try:
- return subprocess.check_output(cmd, stderr=subprocess.STDOUT)
- except subprocess.CalledProcessError as ex:
- if _connect and ex.returncode == 255:
- raise RuntimeWarning(ex.output.strip())
- raise RuntimeError('ssh returned exit status %d:\n%s'
- % (ex.returncode, ex.output.strip()))
-
- def fork_cmd(self, command, name=None):
- """Execute command over ssh on remote system, in a child process.
- Do not wait for remote command completion.
- Return child process id.
- """
- if name is None:
- name = command
- cmd = self._build_ssh(command)
- pid = os.fork()
- if (pid != 0):
- # In the parent process
- self._children.append((pid, name))
- return pid
- # In the child process: use os._exit to terminate
- try:
- # Actually ignore output on success, but capture stderr on failure
- subprocess.check_output(cmd, stderr=subprocess.STDOUT)
- except subprocess.CalledProcessError as ex:
- raise RuntimeError("Child process '%s' failed:\n"
- 'ssh returned exit status %d:\n%s'
- % (name, ex.returncode, ex.output.strip()))
- os._exit(0)
-
- def prox_sock(self, port=8474):
- """Connect to the PROX instance on remote system.
- Return a prox_sock object on success, None on failure.
- """
- sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- try:
- sock.connect((self._ip, port))
- prox = prox_sock(sock)
- self._proxsock.append(prox)
- return prox
- except:
- return None
-
- def scp_put(self, src, dst):
- """Copy src file from local system to dst on remote system."""
- cmd = [ 'scp',
- '-B',
- '-oStrictHostKeyChecking=no',
- '-oUserKnownHostsFile=/dev/null',
- '-oLogLevel=ERROR' ]
- if self._key is not None:
- cmd.extend(['-i', self._key])
- cmd.append(src)
- remote = ''
- if self._user is not None:
- remote += self._user + '@'
- remote += self._ip + ':' + dst
- cmd.append(remote)
- try:
- # Actually ignore output on success, but capture stderr on failure
- subprocess.check_output(cmd, stderr=subprocess.STDOUT)
- except subprocess.CalledProcessError as ex:
- raise RuntimeError('scp returned exit status %d:\n%s'
- % (ex.returncode, ex.output.strip()))
-
- def _build_ssh(self, command):
- cmd = [ 'ssh',
- '-oBatchMode=yes',
- '-oStrictHostKeyChecking=no',
- '-oUserKnownHostsFile=/dev/null',
- '-oLogLevel=ERROR' ]
- if self._key is not None:
- cmd.extend(['-i', self._key])
- remote = ''
- if self._user is not None:
- remote += self._user + '@'
- remote += self._ip
- cmd.append(remote)
- cmd.append(command)
- return cmd
-
-class prox_sock(object):
- def __init__(self, sock):
- self._sock = sock
- self._rcvd = b''
-
- def quit(self):
- if self._sock is not None:
- self._send('quit')
- self._sock.close()
- self._sock = None
-
- def start(self, cores):
- self._send('start %s' % ','.join(map(str, cores)))
-
- def stop(self, cores):
- self._send('stop %s' % ','.join(map(str, cores)))
-
- def speed(self, speed, cores, tasks=None):
- if tasks is None:
- tasks = [ 0 ] * len(cores)
- elif len(tasks) != len(cores):
- raise ValueError('cores and tasks must have the same len')
- for (core, task) in zip(cores, tasks):
- self._send('speed %s %s %s' % (core, task, speed))
-
- def reset_stats(self):
- self._send('reset stats')
-
- def lat_stats(self, cores, task=0):
- min_lat = 999999999
- max_lat = avg_lat = 0
- self._send('lat stats %s %s' % (','.join(map(str, cores)), task))
- for core in cores:
- stats = self._recv().split(',')
- min_lat = min(int(stats[0]),min_lat)
- max_lat = max(int(stats[1]),max_lat)
- avg_lat += int(stats[2])
- avg_lat = avg_lat/len(cores)
- self._send('stats latency(0).used')
- used = float(self._recv())
- self._send('stats latency(0).total')
- total = float(self._recv())
- return min_lat, max_lat, avg_lat, (used/total)
-
- def irq_stats(self, core, bucket, task=0):
- self._send('stats task.core(%s).task(%s).irq(%s)' % (core, task, bucket))
- stats = self._recv().split(',')
- return int(stats[0])
-
- def show_irq_buckets(self, core, task=0):
- rx = tx = drop = tsc = hz = 0
- self._send('show irq buckets %s %s' % (core,task))
- buckets = self._recv().split(';')
- buckets = buckets[:-1]
- return buckets
-
- def core_stats(self, cores, task=0):
- rx = tx = drop = tsc = hz = rx_non_dp = tx_non_dp = 0
- self._send('dp core stats %s %s' % (','.join(map(str, cores)), task))
- for core in cores:
- stats = self._recv().split(',')
- rx += int(stats[0])
- tx += int(stats[1])
- rx_non_dp += int(stats[2])
- tx_non_dp += int(stats[3])
- drop += int(stats[4])
- tsc = int(stats[5])
- hz = int(stats[6])
- return rx-rx_non_dp, tx-tx_non_dp, drop, tsc, hz
-
- def set_random(self, cores, task, offset, mask, length):
- self._send('set random %s %s %s %s %s' % (','.join(map(str, cores)), task, offset, mask, length))
-
- def set_size(self, cores, task, pkt_size):
- self._send('pkt_size %s %s %s' % (','.join(map(str, cores)), task, pkt_size))
-
- def set_value(self, cores, task, offset, value, length):
- self._send('set value %s %s %s %s %s' % (','.join(map(str, cores)), task, offset, value, length))
-
- def _send(self, cmd):
- """Append LF and send command to the PROX instance."""
- if self._sock is None:
- raise RuntimeError("PROX socket closed, cannot send '%s'" % cmd)
- self._sock.sendall(cmd.encode() + b'\n')
-
- def _recv(self):
- """Receive response from PROX instance, and return it with LF removed."""
- if self._sock is None:
- raise RuntimeError("PROX socket closed, cannot receive anymore")
- pos = self._rcvd.find(b'\n')
- while pos == -1:
- self._rcvd += self._sock.recv(256)
- pos = self._rcvd.find(b'\n')
- rsp = self._rcvd[:pos]
- self._rcvd = self._rcvd[pos+1:]
- return rsp.decode()
-