def open_terminal(self, host):
if nm.is_local(host):
cmd = nm.settings().terminal_cmd(['cd'], '')
SupervisedPopen(shlex.split(cmd), object_id="Start local terminal", shell=True)
else:
cmd = nm.settings().terminal_cmd(["ssh -XC %s@%s" % (nm.settings().host_user(host), host)], '', noclose=True)
SupervisedPopen(shlex.split(cmd), object_id="Start Terminal on %s" % host)
def detect_version(package):
'''
Try to detect the current version from git, installed VERSION/DATE files or package.xml
'''
global VERSION
global DATE
if VERSION != 'unknown':
return VERSION, DATE
version = 'unknown'
date = 'unknown'
try:
pkg_path = roslib.packages.get_pkg_dir(package)
if pkg_path is not None and os.path.isfile("%s/VERSION" % pkg_path):
try:
with open("%s/VERSION" % pkg_path) as f:
version = f.read()
version = version.strip()
with open("%s/DATE" % pkg_path) as f:
datetag = f.read().split()
if datetag:
date = datetag[0]
except Exception as err:
print >> sys.stderr, "version detection error: %s" % err
elif os.path.isdir("%s/../.git" % pkg_path):
try:
os.chdir(pkg_path)
ps = SupervisedPopen([
'git', 'describe', '--tags', '--dirty', '--always',
'--abbrev=8'
],
stdout=subprocess.PIPE,
object_id='get git version')
output = ps.stdout.read()
version = output.strip()
ps = SupervisedPopen(['git', 'show', '-s', '--format=%ci'],
stdout=subprocess.PIPE,
object_id='get git date')
output = ps.stdout.read().split()
if output:
date = output[0]
except Exception as err:
print >> sys.stderr, "version detection error: %s" % err
else:
ppath = roslib.packages.find_resource(package, 'package.xml')
if ppath:
doc = dom.parse(ppath[0])
version_tags = doc.getElementsByTagName("version")
if version_tags:
version = version_tags[0].firstChild.data
version = version
else:
print >> sys.stderr, "version detection: no version tag in package.xml found!"
else:
print >> sys.stderr, "version detection: package.xml not found!"
except Exception as err:
print >> sys.stderr, "version detection error: %s" % err
VERSION = version
DATE = date
return version, date
def openLog(cls, nodename, host, user=None, only_screen=False):
'''
Opens the log file associated with the given node in a new terminal.
:param str nodename: the name of the node (with name space)
:param str host: the host name or ip where the log file are
:return: True, if a log file was found
:rtype: bool
:raise Exception: on errors while resolving host
:see: :meth:`fkie_node_manager.is_local()`
'''
rospy.loginfo("show log for '%s' on '%s'", utf8(nodename), utf8(host))
title_opt = 'LOG %s on %s' % (nodename, host)
if nm.is_local(host):
found = False
screenLog = screen.get_logfile(node=nodename)
if os.path.isfile(screenLog):
cmd = nm.settings().terminal_cmd(
[nm.settings().log_viewer, screenLog], title_opt)
rospy.loginfo("open log: %s", cmd)
SupervisedPopen(shlex.split(cmd),
object_id="Open log",
description="Open log for '%s' on '%s'" %
(utf8(nodename), utf8(host)))
found = True
# open roslog file
roslog = screen.get_ros_logfile(nodename)
if os.path.isfile(roslog) and not only_screen:
title_opt = title_opt.replace('LOG', 'ROSLOG')
cmd = nm.settings().terminal_cmd(
[nm.settings().log_viewer, roslog], title_opt)
rospy.loginfo("open ROS log: %s", cmd)
SupervisedPopen(shlex.split(cmd),
object_id="Open log",
description="Open log for '%s' on '%s'" %
(utf8(nodename), utf8(host)))
found = True
return found
else:
_ps = nm.ssh().ssh_x11_exec(host, [
nm.settings().start_remote_script, '--show_screen_log',
nodename
], title_opt, user)
if not only_screen:
_ps = nm.ssh().ssh_x11_exec(host, [
nm.settings().start_remote_script, '--show_ros_log',
nodename
], title_opt.replace('LOG', 'ROSLOG'), user)
return False
def ntpdate(cls, host, cmd, user=None, pw=None):
'''
Opens the log file associated with the given node in a new terminal.
:param str host: the host name or ip where the log file are
:param str cmd: command to set the time
:return: True, if a log file was found
:rtype: bool
:raise Exception: on errors while resolving host
:see: :meth:`fkie_node_manager.is_local()`
'''
mesg = "synchronize time on '%s' using '%s'" % (utf8(host), cmd)
rospy.loginfo(mesg)
title_opt = "ntpdate on %s" % str(host) # '%s on %s' % (cmd, host)
if nm.is_local(host):
cmd = nm.settings().terminal_cmd([cmd], title_opt, noclose=True)
rospy.loginfo("EXEC: %s" % cmd)
_ps = SupervisedPopen(shlex.split(cmd),
object_id=cmd,
description=mesg)
else:
_ps = nm.ssh().ssh_x11_exec(host, [
cmd,
';echo "";echo "this terminal will be closed in 10 sec...";sleep 10'
], title_opt, user)
return False
def _killall_roscore_wo(self,
host,
auto_pw_request=False,
user=None,
pw=None):
rospy.loginfo("killall roscore on %s", host)
cmd = ['killall', 'roscore']
if nm.is_local(host):
SupervisedPopen(cmd,
object_id="killall roscore",
description="killall roscore")
else:
# kill on a remote machine
_, stdout, stderr, ok = nm.ssh().ssh_exec(host,
cmd,
user,
pw,
False,
close_stdin=True)
if ok:
output = stdout.read()
error = stderr.read()
stdout.close()
stderr.close()
if error:
rospy.logwarn("ERROR while killall roscore on %s: %s" %
(host, error))
raise StartException('The host "%s" reports:\n%s' %
(host, error))
if output:
rospy.logdebug("STDOUT while killall roscore on %s: %s" %
(host, output))
def open_screen_terminal(cls,
masteruri,
screen_name,
nodename,
use_log_widget=False,
user=None):
'''
Open the screen output in a new terminal.
:param str masteruri: the masteruri where the screen is running.
:param str screen_name: the name of the screen to show
:param str nodename: the name of the node is used for the title of the terminal
:raise Exception: on errors while resolving host
:see: L{fkie_node_manager.is_local()}
'''
# create a title of the terminal
if use_log_widget:
nm._MAIN_FORM.open_screen_dock(masteruri, screen_name, nodename,
user)
return
host = get_hostname(masteruri)
title_opt = 'SCREEN %s on %s' % (nodename, host)
if nm.is_local(host):
cmd = nm.settings().terminal_cmd(
[screen.SCREEN, '-x', screen_name], title_opt)
rospy.loginfo("Open screen terminal: %s", cmd)
SupervisedPopen(shlex.split(cmd),
object_id=title_opt,
description="Open screen terminal: %s" % title_opt)
else:
rospy.loginfo("Open remote screen terminal for %s to %s" %
(nodename, host))
_ps = nm.ssh().ssh_x11_exec(host,
[screen.SCREEN, '-x', screen_name],
title_opt, user)
def _poweroff_wo(self, host, auto_pw_request=False, user=None, pw=None):
if nm.is_local(host):
rospy.logwarn("shutdown localhost localhost!")
cmd = nm.settings().terminal_cmd(['sudo poweroff'], "poweroff")
SupervisedPopen(shlex.split(cmd), object_id="poweroff", description="poweroff")
else:
rospy.loginfo("poweroff %s", host)
# kill on a remote machine
cmd = ['sudo poweroff']
_ = nm.ssh().ssh_x11_exec(host, cmd, 'Shutdown %s' % host, user)
def _prepareROSMaster(cls, masteruri):
if masteruri is None:
masteruri = masteruri_from_ros()
# start roscore, if needed
try:
if not os.path.isdir(screen.LOG_PATH):
os.makedirs(screen.LOG_PATH)
socket.setdefaulttimeout(3)
master = xmlrpcclient.ServerProxy(masteruri)
master.getUri(rospy.get_name())
# restart ROSCORE on different masteruri?, not now...
# master_uri = master.getUri(rospy.get_name())
# if masteruri != master_uri[2]:
# # kill the local roscore...
# raise
except Exception:
# run a roscore
master_host = get_hostname(masteruri)
if nm.is_local(master_host, True):
master_port = get_port(masteruri)
new_env = dict(os.environ)
new_env['ROS_MASTER_URI'] = masteruri
ros_hostname = nmdhost.get_ros_hostname(masteruri)
if ros_hostname:
new_env['ROS_HOSTNAME'] = ros_hostname
cmd_args = '%s roscore --port %d' % (screen.get_cmd('/roscore--%d' % master_port), master_port)
for n in [1, 2, 3, 4]:
try:
if n == 1:
print("Launch ROS Master in screen ... %s" % (cmd_args))
SupervisedPopen(shlex.split(cmd_args), env=new_env, object_id="ROSCORE", description="Start roscore")
elif n == 2:
print("ROS Master takes too long for start, wait for next 10 sec ...")
elif n == 3:
print("A really slow start, wait for last 10 sec ...")
# wait for roscore to avoid connection problems while init_node
result = -1
count = 1
while result == -1 and count < 11:
try:
master = xmlrpcclient.ServerProxy(masteruri)
result, _, _ = master.getUri(rospy.get_name()) # _:=uri, msg
return
except Exception:
time.sleep(1)
count += 1
if n == 4 and count >= 11:
raise StartException('Cannot connect to ROS-Master: %s\n--> please run "roscore" manually!' % utf8(masteruri))
except Exception as e:
raise Exception("Error while call '%s': %s" % (cmd_args, utf8(e)))
else:
raise Exception("ROS master '%s' is not reachable" % masteruri)
finally:
socket.setdefaulttimeout(None)
def _rosclean_wo(self, grpc_uri, auto_pw_request=False, user=None, pw=None):
try:
nm.nmd().screen.rosclean(grpc_uri)
except Exception as err:
host = get_hostname(grpc_uri)
if nm.is_local(host):
rospy.loginfo("rosclean purge on localhost!")
cmd = nm.settings().terminal_cmd(['rosclean purge -y'], "rosclean")
SupervisedPopen(shlex.split(cmd), object_id="rosclean", description="rosclean")
else:
rospy.logwarn("use SSH to run 'rosclean' because of error: %s" % utf8(err))
# kill on a remote machine
cmd = ['rosclean purge -y']
_ = nm.ssh().ssh_x11_exec(host, cmd, 'rosclean purge on %s' % host, user)
def _bc_get_active_screens(cls,
host,
nodename='',
auto_pw_request=True,
user=None,
pwd=None):
'''
Returns the list with all compatible screen names. If the session is set to
an empty string all screens will be returned.
:param str host: the host name or IP to search for the screen session.
:param str nodename: the name of the node
:return: dictionary of screen name and corresponding ROS node name
:rtype: {str: str}
:raise Exception: on errors while resolving host
:see: fkie_node_manager.is_local()
'''
output = None
result = {}
if nm.is_local(host):
ps = SupervisedPopen(shlex.split('%s -ls' % screen.SCREEN),
stdout=subprocess.PIPE)
output = ps.stdout.read()
ps.stdout.close()
else:
_, stdout, _, _ = nm.ssh().ssh_exec(host, [screen.SCREEN, ' -ls'],
user,
pwd,
auto_pw_request,
close_stdin=True,
close_stderr=True)
output = stdout.read()
stdout.close()
if output:
splits = output.split()
session = utf8(nodename).replace(
'/', '_') if nodename is not None else ''
for i in splits:
sname = i.replace('__', '_')
if sname.count('.') > 0 and sname.endswith(
session) and sname.find('._') >= 0:
result[i] = nodename
return result
def ssh_x11_exec(self, host, cmd, title=None, user=None):
'''
Executes a command on remote host using a terminal with X11 forwarding.
@todo: establish connection using paramiko SSH library.
@param host: the host
@type host: C{str}
@param cmd: the list with command and arguments
@type cmd: C{[str,...]}
@param title: the title of the new opened terminal, if it is None, no new terminal will be created
@type title: C{str} or C{None}
@param user: user name
@return: the result of C{subprocess.Popen(command)}
@see: U{http://docs.python.org/library/subprocess.html?highlight=subproces#subprocess}
'''
with self.mutex:
try:
# workaround: use ssh in a terminal with X11 forward
user = nm.settings().host_user(host) if user is None else user
if host in self.SSH_AUTH:
user = self.SSH_AUTH[host]
# generate string for SSH command
ssh_str = ' '.join([
'/usr/bin/ssh', '-aqtx', '-oClearAllForwardings=yes',
'-oConnectTimeout=5', '-oStrictHostKeyChecking=no',
'-oVerifyHostKeyDNS=no', '-oCheckHostIP=no',
''.join([user, '@', host])
])
if title is not None:
cmd_str = nm.settings().terminal_cmd(
[ssh_str, ' '.join(cmd)], title)
else:
cmd_str = utf8(' '.join([ssh_str, ' '.join(cmd)]))
rospy.loginfo("REMOTE x11 execute on %s: %s", host, cmd_str)
return SupervisedPopen(
shlex.split(cmd_str),
object_id=utf8(title),
description="REMOTE x11 execute on %s: %s" %
(host, cmd_str))
except Exception:
raise
def runNodeWithoutConfig(cls,
host,
package,
binary,
name,
args=[],
masteruri=None,
use_nmd=True,
auto_pw_request=False,
user=None,
pw=None,
path=''):
'''
Start a node with using a launch configuration.
:param str hosturi: the host or ip to run the node
:param str package: the ROS package containing the binary
:param str binary: the binary of the node to execute
:param str name: the ROS name of the node (with name space)
:param args: the list with arguments passed to the binary
:type args: [str]
:param bool use_nmd: start the node using node manager daemon
:param bool auto_pw_request: opens question dialog directly, use True only if the method is called from the main GUI thread
:raise Exception: on errors while resolving host
:see: :meth:`fkie_node_manager.is_local()`
'''
# create the name with namespace
args2 = list(args)
fullname = roslib.names.ns_join(roslib.names.SEP, name)
namespace = ''
for a in args:
if a.startswith('__ns:='):
namespace = a.replace('__ns:=', '')
fullname = roslib.names.ns_join(namespace, name)
args2.append(''.join(['__name:=', name]))
# run on local host
if nm.is_local(host, wait=True):
if not use_nmd:
if path:
cmd = [path]
else:
try:
cmd = roslib.packages.find_node(package, binary)
except roslib.packages.ROSPkgException as e:
# multiple nodes, invalid package
raise StartException(utf8(e))
# handle different result types str or array of string
if isstring(cmd):
cmd = [cmd]
cmd_type = ''
if cmd is None or len(cmd) == 0:
raise StartException('%s in package [%s] not found!' %
(binary, package))
# compatibility for python scripts installed with catkin_install_python()
# avoid ask for select a binary
cmd = cls._remove_src_binary(cmd)
if len(cmd) > 1:
# Open selection for executables
err = 'Multiple executables with same name in package [%s] found' % package
bsel = nm.BinarySelectionRequest(cmd, err)
raise nm.InteractionNeededError(
bsel, cls.runNodeWithoutConfig, {
'host': host,
'package': package,
'binary': binary,
'name': name,
'args': args,
'masteruri': masteruri,
'use_nmd': use_nmd,
'auto_pw_request': auto_pw_request,
'user': user,
'pw': pw,
'path': path
})
else:
cmd_type = cmd[0]
new_env = {} # dict(os.environ)
if namespace:
new_env['ROS_NAMESPACE'] = namespace
if masteruri is not None:
cls._prepareROSMaster(masteruri)
new_env['ROS_MASTER_URI'] = masteruri
if 'ROS_HOSTNAME' in os.environ:
# set ROS_HOSTNAME only if node_manager has also one
ros_hostname = nmdhost.get_ros_hostname(masteruri, host)
if ros_hostname:
new_env['ROS_HOSTNAME'] = ros_hostname
if use_nmd:
nm.nmd().launch.start_standalone_node(nmdurl.nmduri(), package,
binary, name, namespace,
args, new_env, masteruri,
host)
else:
local_env = dict(os.environ)
local_env.update(new_env)
cmd_str = utf8(' '.join([
screen.get_cmd(fullname, local_env), cmd_type,
' '.join(args2)
]))
rospy.loginfo("Run without config: %s",
fullname if use_nmd else cmd_str)
SupervisedPopen(shlex.split(cmd_str),
env=local_env,
object_id="Run without config",
description="Run without config [%s]%s" %
(utf8(package), utf8(binary)))
else:
# run on a remote machine
startcmd = [
nm.settings().start_remote_script, '--package',
utf8(package), '--node_type',
utf8(binary), '--node_name',
utf8(fullname)
]
startcmd[len(startcmd):] = args2
if masteruri is not None:
startcmd.append('--masteruri')
startcmd.append(masteruri)
rospy.loginfo("Run remote on %s: %s", host, ' '.join(startcmd))
try:
_, stdout, stderr, ok = nm.ssh().ssh_exec(host,
startcmd,
user,
pw,
auto_pw_request,
close_stdin=True)
if ok:
output = stdout.read()
error = stderr.read()
stdout.close()
stderr.close()
if error:
rospy.logwarn("ERROR while start '%s': %s", name,
error)
raise StartException(''.join(
['The host "', host, '" reports:\n', error]))
if output:
if output.find("dn't") != -1:
rospy.logwarn("Warning while start '%s': %s", name,
output)
else:
rospy.loginfo("STDOUT while start '%s': %s", name,
output)
else:
if error:
rospy.logwarn("ERROR while start '%s': %s", name,
error)
raise StartException(''.join(
['The host "', host, '" reports:\n', error]))
except nm.AuthenticationRequest as e:
raise nm.InteractionNeededError(
e, cls.runNodeWithoutConfig, {
'host': host,
'package': package,
'binary': binary,
'name': name,
'args': args,
'masteruri': masteruri,
'use_nmd': use_nmd,
'auto_pw_request': auto_pw_request,
'user': user,
'pw': pw,
'path': path
})
